idx
int64 | func_before
string | Vulnerability Classification
string | vul
int64 | func_after
string | patch
string | CWE ID
string | lines_before
string | lines_after
string |
|---|---|---|---|---|---|---|---|---|
6,300
|
static void emitlocal(JF, int oploc, int opvar, js_Ast *ident)
{
int i;
if (J->strict && oploc == OP_SETLOCAL) {
if (!strcmp(ident->string, "arguments"))
jsC_error(J, ident, "'arguments' is read-only in strict mode");
if (!strcmp(ident->string, "eval"))
jsC_error(J, ident, "'eval' is read-only in strict mode");
}
if (F->lightweight) {
i = findlocal(J, F, ident->string);
if (i >= 0) {
emit(J, F, oploc);
emitraw(J, F, i);
return;
}
}
emitstring(J, F, opvar, ident->string);
}
|
DoS
| 0
|
static void emitlocal(JF, int oploc, int opvar, js_Ast *ident)
{
int i;
if (J->strict && oploc == OP_SETLOCAL) {
if (!strcmp(ident->string, "arguments"))
jsC_error(J, ident, "'arguments' is read-only in strict mode");
if (!strcmp(ident->string, "eval"))
jsC_error(J, ident, "'eval' is read-only in strict mode");
}
if (F->lightweight) {
i = findlocal(J, F, ident->string);
if (i >= 0) {
emit(J, F, oploc);
emitraw(J, F, i);
return;
}
}
emitstring(J, F, opvar, ident->string);
}
|
@@ -1102,11 +1102,11 @@ static void cstm(JF, js_Ast *stm)
case STM_BREAK:
if (stm->a) {
- target = breaktarget(J, F, stm, stm->a->string);
+ target = breaktarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "break label '%s' not found", stm->a->string);
} else {
- target = breaktarget(J, F, stm, NULL);
+ target = breaktarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "unlabelled break must be inside loop or switch");
}
@@ -1116,11 +1116,11 @@ static void cstm(JF, js_Ast *stm)
case STM_CONTINUE:
if (stm->a) {
- target = continuetarget(J, F, stm, stm->a->string);
+ target = continuetarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "continue label '%s' not found", stm->a->string);
} else {
- target = continuetarget(J, F, stm, NULL);
+ target = continuetarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "continue must be inside loop");
}
@@ -1133,7 +1133,7 @@ static void cstm(JF, js_Ast *stm)
cexp(J, F, stm->a);
else
emit(J, F, OP_UNDEF);
- target = returntarget(J, F, stm);
+ target = returntarget(J, F, stm->parent);
if (!target)
jsC_error(J, stm, "return not in function");
cexit(J, F, STM_RETURN, stm, target);
|
CWE-476
| null | null |
6,301
|
static void emitnumber(JF, double num)
{
if (num == 0) {
emit(J, F, OP_NUMBER_0);
if (signbit(num))
emit(J, F, OP_NEG);
} else if (num == 1) {
emit(J, F, OP_NUMBER_1);
} else if (num == (js_Instruction)num) {
emit(J, F, OP_NUMBER_POS);
emitraw(J, F, (js_Instruction)num);
} else if (num < 0 && -num == (js_Instruction)(-num)) {
emit(J, F, OP_NUMBER_NEG);
emitraw(J, F, (js_Instruction)(-num));
} else {
emit(J, F, OP_NUMBER);
emitraw(J, F, addnumber(J, F, num));
}
}
|
DoS
| 0
|
static void emitnumber(JF, double num)
{
if (num == 0) {
emit(J, F, OP_NUMBER_0);
if (signbit(num))
emit(J, F, OP_NEG);
} else if (num == 1) {
emit(J, F, OP_NUMBER_1);
} else if (num == (js_Instruction)num) {
emit(J, F, OP_NUMBER_POS);
emitraw(J, F, (js_Instruction)num);
} else if (num < 0 && -num == (js_Instruction)(-num)) {
emit(J, F, OP_NUMBER_NEG);
emitraw(J, F, (js_Instruction)(-num));
} else {
emit(J, F, OP_NUMBER);
emitraw(J, F, addnumber(J, F, num));
}
}
|
@@ -1102,11 +1102,11 @@ static void cstm(JF, js_Ast *stm)
case STM_BREAK:
if (stm->a) {
- target = breaktarget(J, F, stm, stm->a->string);
+ target = breaktarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "break label '%s' not found", stm->a->string);
} else {
- target = breaktarget(J, F, stm, NULL);
+ target = breaktarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "unlabelled break must be inside loop or switch");
}
@@ -1116,11 +1116,11 @@ static void cstm(JF, js_Ast *stm)
case STM_CONTINUE:
if (stm->a) {
- target = continuetarget(J, F, stm, stm->a->string);
+ target = continuetarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "continue label '%s' not found", stm->a->string);
} else {
- target = continuetarget(J, F, stm, NULL);
+ target = continuetarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "continue must be inside loop");
}
@@ -1133,7 +1133,7 @@ static void cstm(JF, js_Ast *stm)
cexp(J, F, stm->a);
else
emit(J, F, OP_UNDEF);
- target = returntarget(J, F, stm);
+ target = returntarget(J, F, stm->parent);
if (!target)
jsC_error(J, stm, "return not in function");
cexit(J, F, STM_RETURN, stm, target);
|
CWE-476
| null | null |
6,302
|
static void emitraw(JF, int value)
{
if (value != (js_Instruction)value)
js_syntaxerror(J, "integer overflow in instruction coding");
if (F->codelen >= F->codecap) {
F->codecap = F->codecap ? F->codecap * 2 : 64;
F->code = js_realloc(J, F->code, F->codecap * sizeof *F->code);
}
F->code[F->codelen++] = value;
}
|
DoS
| 0
|
static void emitraw(JF, int value)
{
if (value != (js_Instruction)value)
js_syntaxerror(J, "integer overflow in instruction coding");
if (F->codelen >= F->codecap) {
F->codecap = F->codecap ? F->codecap * 2 : 64;
F->code = js_realloc(J, F->code, F->codecap * sizeof *F->code);
}
F->code[F->codelen++] = value;
}
|
@@ -1102,11 +1102,11 @@ static void cstm(JF, js_Ast *stm)
case STM_BREAK:
if (stm->a) {
- target = breaktarget(J, F, stm, stm->a->string);
+ target = breaktarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "break label '%s' not found", stm->a->string);
} else {
- target = breaktarget(J, F, stm, NULL);
+ target = breaktarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "unlabelled break must be inside loop or switch");
}
@@ -1116,11 +1116,11 @@ static void cstm(JF, js_Ast *stm)
case STM_CONTINUE:
if (stm->a) {
- target = continuetarget(J, F, stm, stm->a->string);
+ target = continuetarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "continue label '%s' not found", stm->a->string);
} else {
- target = continuetarget(J, F, stm, NULL);
+ target = continuetarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "continue must be inside loop");
}
@@ -1133,7 +1133,7 @@ static void cstm(JF, js_Ast *stm)
cexp(J, F, stm->a);
else
emit(J, F, OP_UNDEF);
- target = returntarget(J, F, stm);
+ target = returntarget(J, F, stm->parent);
if (!target)
jsC_error(J, stm, "return not in function");
cexit(J, F, STM_RETURN, stm, target);
|
CWE-476
| null | null |
6,303
|
static void emitstring(JF, int opcode, const char *str)
{
emit(J, F, opcode);
emitraw(J, F, addstring(J, F, str));
}
|
DoS
| 0
|
static void emitstring(JF, int opcode, const char *str)
{
emit(J, F, opcode);
emitraw(J, F, addstring(J, F, str));
}
|
@@ -1102,11 +1102,11 @@ static void cstm(JF, js_Ast *stm)
case STM_BREAK:
if (stm->a) {
- target = breaktarget(J, F, stm, stm->a->string);
+ target = breaktarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "break label '%s' not found", stm->a->string);
} else {
- target = breaktarget(J, F, stm, NULL);
+ target = breaktarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "unlabelled break must be inside loop or switch");
}
@@ -1116,11 +1116,11 @@ static void cstm(JF, js_Ast *stm)
case STM_CONTINUE:
if (stm->a) {
- target = continuetarget(J, F, stm, stm->a->string);
+ target = continuetarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "continue label '%s' not found", stm->a->string);
} else {
- target = continuetarget(J, F, stm, NULL);
+ target = continuetarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "continue must be inside loop");
}
@@ -1133,7 +1133,7 @@ static void cstm(JF, js_Ast *stm)
cexp(J, F, stm->a);
else
emit(J, F, OP_UNDEF);
- target = returntarget(J, F, stm);
+ target = returntarget(J, F, stm->parent);
if (!target)
jsC_error(J, stm, "return not in function");
cexit(J, F, STM_RETURN, stm, target);
|
CWE-476
| null | null |
6,304
|
static int here(JF)
{
return F->codelen;
}
|
DoS
| 0
|
static int here(JF)
{
return F->codelen;
}
|
@@ -1102,11 +1102,11 @@ static void cstm(JF, js_Ast *stm)
case STM_BREAK:
if (stm->a) {
- target = breaktarget(J, F, stm, stm->a->string);
+ target = breaktarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "break label '%s' not found", stm->a->string);
} else {
- target = breaktarget(J, F, stm, NULL);
+ target = breaktarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "unlabelled break must be inside loop or switch");
}
@@ -1116,11 +1116,11 @@ static void cstm(JF, js_Ast *stm)
case STM_CONTINUE:
if (stm->a) {
- target = continuetarget(J, F, stm, stm->a->string);
+ target = continuetarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "continue label '%s' not found", stm->a->string);
} else {
- target = continuetarget(J, F, stm, NULL);
+ target = continuetarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "continue must be inside loop");
}
@@ -1133,7 +1133,7 @@ static void cstm(JF, js_Ast *stm)
cexp(J, F, stm->a);
else
emit(J, F, OP_UNDEF);
- target = returntarget(J, F, stm);
+ target = returntarget(J, F, stm->parent);
if (!target)
jsC_error(J, stm, "return not in function");
cexit(J, F, STM_RETURN, stm, target);
|
CWE-476
| null | null |
6,305
|
static int isfun(enum js_AstType T)
{
return T == AST_FUNDEC || T == EXP_FUN || T == EXP_PROP_GET || T == EXP_PROP_SET;
}
|
DoS
| 0
|
static int isfun(enum js_AstType T)
{
return T == AST_FUNDEC || T == EXP_FUN || T == EXP_PROP_GET || T == EXP_PROP_SET;
}
|
@@ -1102,11 +1102,11 @@ static void cstm(JF, js_Ast *stm)
case STM_BREAK:
if (stm->a) {
- target = breaktarget(J, F, stm, stm->a->string);
+ target = breaktarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "break label '%s' not found", stm->a->string);
} else {
- target = breaktarget(J, F, stm, NULL);
+ target = breaktarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "unlabelled break must be inside loop or switch");
}
@@ -1116,11 +1116,11 @@ static void cstm(JF, js_Ast *stm)
case STM_CONTINUE:
if (stm->a) {
- target = continuetarget(J, F, stm, stm->a->string);
+ target = continuetarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "continue label '%s' not found", stm->a->string);
} else {
- target = continuetarget(J, F, stm, NULL);
+ target = continuetarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "continue must be inside loop");
}
@@ -1133,7 +1133,7 @@ static void cstm(JF, js_Ast *stm)
cexp(J, F, stm->a);
else
emit(J, F, OP_UNDEF);
- target = returntarget(J, F, stm);
+ target = returntarget(J, F, stm->parent);
if (!target)
jsC_error(J, stm, "return not in function");
cexit(J, F, STM_RETURN, stm, target);
|
CWE-476
| null | null |
6,306
|
static int isloop(enum js_AstType T)
{
return T == STM_DO || T == STM_WHILE ||
T == STM_FOR || T == STM_FOR_VAR ||
T == STM_FOR_IN || T == STM_FOR_IN_VAR;
}
|
DoS
| 0
|
static int isloop(enum js_AstType T)
{
return T == STM_DO || T == STM_WHILE ||
T == STM_FOR || T == STM_FOR_VAR ||
T == STM_FOR_IN || T == STM_FOR_IN_VAR;
}
|
@@ -1102,11 +1102,11 @@ static void cstm(JF, js_Ast *stm)
case STM_BREAK:
if (stm->a) {
- target = breaktarget(J, F, stm, stm->a->string);
+ target = breaktarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "break label '%s' not found", stm->a->string);
} else {
- target = breaktarget(J, F, stm, NULL);
+ target = breaktarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "unlabelled break must be inside loop or switch");
}
@@ -1116,11 +1116,11 @@ static void cstm(JF, js_Ast *stm)
case STM_CONTINUE:
if (stm->a) {
- target = continuetarget(J, F, stm, stm->a->string);
+ target = continuetarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "continue label '%s' not found", stm->a->string);
} else {
- target = continuetarget(J, F, stm, NULL);
+ target = continuetarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "continue must be inside loop");
}
@@ -1133,7 +1133,7 @@ static void cstm(JF, js_Ast *stm)
cexp(J, F, stm->a);
else
emit(J, F, OP_UNDEF);
- target = returntarget(J, F, stm);
+ target = returntarget(J, F, stm->parent);
if (!target)
jsC_error(J, stm, "return not in function");
cexit(J, F, STM_RETURN, stm, target);
|
CWE-476
| null | null |
6,307
|
js_Function *jsC_compile(js_State *J, js_Ast *prog)
{
return newfun(J, NULL, NULL, prog, 1);
}
|
DoS
| 0
|
js_Function *jsC_compile(js_State *J, js_Ast *prog)
{
return newfun(J, NULL, NULL, prog, 1);
}
|
@@ -1102,11 +1102,11 @@ static void cstm(JF, js_Ast *stm)
case STM_BREAK:
if (stm->a) {
- target = breaktarget(J, F, stm, stm->a->string);
+ target = breaktarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "break label '%s' not found", stm->a->string);
} else {
- target = breaktarget(J, F, stm, NULL);
+ target = breaktarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "unlabelled break must be inside loop or switch");
}
@@ -1116,11 +1116,11 @@ static void cstm(JF, js_Ast *stm)
case STM_CONTINUE:
if (stm->a) {
- target = continuetarget(J, F, stm, stm->a->string);
+ target = continuetarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "continue label '%s' not found", stm->a->string);
} else {
- target = continuetarget(J, F, stm, NULL);
+ target = continuetarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "continue must be inside loop");
}
@@ -1133,7 +1133,7 @@ static void cstm(JF, js_Ast *stm)
cexp(J, F, stm->a);
else
emit(J, F, OP_UNDEF);
- target = returntarget(J, F, stm);
+ target = returntarget(J, F, stm->parent);
if (!target)
jsC_error(J, stm, "return not in function");
cexit(J, F, STM_RETURN, stm, target);
|
CWE-476
| null | null |
6,308
|
js_Function *jsC_compilefunction(js_State *J, js_Ast *prog)
{
return newfun(J, prog->a, prog->b, prog->c, 0);
}
|
DoS
| 0
|
js_Function *jsC_compilefunction(js_State *J, js_Ast *prog)
{
return newfun(J, prog->a, prog->b, prog->c, 0);
}
|
@@ -1102,11 +1102,11 @@ static void cstm(JF, js_Ast *stm)
case STM_BREAK:
if (stm->a) {
- target = breaktarget(J, F, stm, stm->a->string);
+ target = breaktarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "break label '%s' not found", stm->a->string);
} else {
- target = breaktarget(J, F, stm, NULL);
+ target = breaktarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "unlabelled break must be inside loop or switch");
}
@@ -1116,11 +1116,11 @@ static void cstm(JF, js_Ast *stm)
case STM_CONTINUE:
if (stm->a) {
- target = continuetarget(J, F, stm, stm->a->string);
+ target = continuetarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "continue label '%s' not found", stm->a->string);
} else {
- target = continuetarget(J, F, stm, NULL);
+ target = continuetarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "continue must be inside loop");
}
@@ -1133,7 +1133,7 @@ static void cstm(JF, js_Ast *stm)
cexp(J, F, stm->a);
else
emit(J, F, OP_UNDEF);
- target = returntarget(J, F, stm);
+ target = returntarget(J, F, stm->parent);
if (!target)
jsC_error(J, stm, "return not in function");
cexit(J, F, STM_RETURN, stm, target);
|
CWE-476
| null | null |
6,309
|
void jsC_error(js_State *J, js_Ast *node, const char *fmt, ...)
{
va_list ap;
char buf[512];
char msgbuf[256];
va_start(ap, fmt);
vsnprintf(msgbuf, 256, fmt, ap);
va_end(ap);
snprintf(buf, 256, "%s:%d: ", J->filename, node->line);
strcat(buf, msgbuf);
js_newsyntaxerror(J, buf);
js_throw(J);
}
|
DoS
| 0
|
void jsC_error(js_State *J, js_Ast *node, const char *fmt, ...)
{
va_list ap;
char buf[512];
char msgbuf[256];
va_start(ap, fmt);
vsnprintf(msgbuf, 256, fmt, ap);
va_end(ap);
snprintf(buf, 256, "%s:%d: ", J->filename, node->line);
strcat(buf, msgbuf);
js_newsyntaxerror(J, buf);
js_throw(J);
}
|
@@ -1102,11 +1102,11 @@ static void cstm(JF, js_Ast *stm)
case STM_BREAK:
if (stm->a) {
- target = breaktarget(J, F, stm, stm->a->string);
+ target = breaktarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "break label '%s' not found", stm->a->string);
} else {
- target = breaktarget(J, F, stm, NULL);
+ target = breaktarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "unlabelled break must be inside loop or switch");
}
@@ -1116,11 +1116,11 @@ static void cstm(JF, js_Ast *stm)
case STM_CONTINUE:
if (stm->a) {
- target = continuetarget(J, F, stm, stm->a->string);
+ target = continuetarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "continue label '%s' not found", stm->a->string);
} else {
- target = continuetarget(J, F, stm, NULL);
+ target = continuetarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "continue must be inside loop");
}
@@ -1133,7 +1133,7 @@ static void cstm(JF, js_Ast *stm)
cexp(J, F, stm->a);
else
emit(J, F, OP_UNDEF);
- target = returntarget(J, F, stm);
+ target = returntarget(J, F, stm->parent);
if (!target)
jsC_error(J, stm, "return not in function");
cexit(J, F, STM_RETURN, stm, target);
|
CWE-476
| null | null |
6,310
|
static void label(JF, int inst)
{
labelto(J, F, inst, F->codelen);
}
|
DoS
| 0
|
static void label(JF, int inst)
{
labelto(J, F, inst, F->codelen);
}
|
@@ -1102,11 +1102,11 @@ static void cstm(JF, js_Ast *stm)
case STM_BREAK:
if (stm->a) {
- target = breaktarget(J, F, stm, stm->a->string);
+ target = breaktarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "break label '%s' not found", stm->a->string);
} else {
- target = breaktarget(J, F, stm, NULL);
+ target = breaktarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "unlabelled break must be inside loop or switch");
}
@@ -1116,11 +1116,11 @@ static void cstm(JF, js_Ast *stm)
case STM_CONTINUE:
if (stm->a) {
- target = continuetarget(J, F, stm, stm->a->string);
+ target = continuetarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "continue label '%s' not found", stm->a->string);
} else {
- target = continuetarget(J, F, stm, NULL);
+ target = continuetarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "continue must be inside loop");
}
@@ -1133,7 +1133,7 @@ static void cstm(JF, js_Ast *stm)
cexp(J, F, stm->a);
else
emit(J, F, OP_UNDEF);
- target = returntarget(J, F, stm);
+ target = returntarget(J, F, stm->parent);
if (!target)
jsC_error(J, stm, "return not in function");
cexit(J, F, STM_RETURN, stm, target);
|
CWE-476
| null | null |
6,311
|
static void labeljumps(JF, js_JumpList *jump, int baddr, int caddr)
{
while (jump) {
if (jump->type == STM_BREAK)
labelto(J, F, jump->inst, baddr);
if (jump->type == STM_CONTINUE)
labelto(J, F, jump->inst, caddr);
jump = jump->next;
}
}
|
DoS
| 0
|
static void labeljumps(JF, js_JumpList *jump, int baddr, int caddr)
{
while (jump) {
if (jump->type == STM_BREAK)
labelto(J, F, jump->inst, baddr);
if (jump->type == STM_CONTINUE)
labelto(J, F, jump->inst, caddr);
jump = jump->next;
}
}
|
@@ -1102,11 +1102,11 @@ static void cstm(JF, js_Ast *stm)
case STM_BREAK:
if (stm->a) {
- target = breaktarget(J, F, stm, stm->a->string);
+ target = breaktarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "break label '%s' not found", stm->a->string);
} else {
- target = breaktarget(J, F, stm, NULL);
+ target = breaktarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "unlabelled break must be inside loop or switch");
}
@@ -1116,11 +1116,11 @@ static void cstm(JF, js_Ast *stm)
case STM_CONTINUE:
if (stm->a) {
- target = continuetarget(J, F, stm, stm->a->string);
+ target = continuetarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "continue label '%s' not found", stm->a->string);
} else {
- target = continuetarget(J, F, stm, NULL);
+ target = continuetarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "continue must be inside loop");
}
@@ -1133,7 +1133,7 @@ static void cstm(JF, js_Ast *stm)
cexp(J, F, stm->a);
else
emit(J, F, OP_UNDEF);
- target = returntarget(J, F, stm);
+ target = returntarget(J, F, stm->parent);
if (!target)
jsC_error(J, stm, "return not in function");
cexit(J, F, STM_RETURN, stm, target);
|
CWE-476
| null | null |
6,312
|
static int listlength(js_Ast *list)
{
int n = 0;
while (list) ++n, list = list->b;
return n;
}
|
DoS
| 0
|
static int listlength(js_Ast *list)
{
int n = 0;
while (list) ++n, list = list->b;
return n;
}
|
@@ -1102,11 +1102,11 @@ static void cstm(JF, js_Ast *stm)
case STM_BREAK:
if (stm->a) {
- target = breaktarget(J, F, stm, stm->a->string);
+ target = breaktarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "break label '%s' not found", stm->a->string);
} else {
- target = breaktarget(J, F, stm, NULL);
+ target = breaktarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "unlabelled break must be inside loop or switch");
}
@@ -1116,11 +1116,11 @@ static void cstm(JF, js_Ast *stm)
case STM_CONTINUE:
if (stm->a) {
- target = continuetarget(J, F, stm, stm->a->string);
+ target = continuetarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "continue label '%s' not found", stm->a->string);
} else {
- target = continuetarget(J, F, stm, NULL);
+ target = continuetarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "continue must be inside loop");
}
@@ -1133,7 +1133,7 @@ static void cstm(JF, js_Ast *stm)
cexp(J, F, stm->a);
else
emit(J, F, OP_UNDEF);
- target = returntarget(J, F, stm);
+ target = returntarget(J, F, stm->parent);
if (!target)
jsC_error(J, stm, "return not in function");
cexit(J, F, STM_RETURN, stm, target);
|
CWE-476
| null | null |
6,313
|
static int matchlabel(js_Ast *node, const char *label)
{
while (node && node->type == STM_LABEL) {
if (!strcmp(node->a->string, label))
return 1;
node = node->parent;
}
return 0;
}
|
DoS
| 0
|
static int matchlabel(js_Ast *node, const char *label)
{
while (node && node->type == STM_LABEL) {
if (!strcmp(node->a->string, label))
return 1;
node = node->parent;
}
return 0;
}
|
@@ -1102,11 +1102,11 @@ static void cstm(JF, js_Ast *stm)
case STM_BREAK:
if (stm->a) {
- target = breaktarget(J, F, stm, stm->a->string);
+ target = breaktarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "break label '%s' not found", stm->a->string);
} else {
- target = breaktarget(J, F, stm, NULL);
+ target = breaktarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "unlabelled break must be inside loop or switch");
}
@@ -1116,11 +1116,11 @@ static void cstm(JF, js_Ast *stm)
case STM_CONTINUE:
if (stm->a) {
- target = continuetarget(J, F, stm, stm->a->string);
+ target = continuetarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "continue label '%s' not found", stm->a->string);
} else {
- target = continuetarget(J, F, stm, NULL);
+ target = continuetarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "continue must be inside loop");
}
@@ -1133,7 +1133,7 @@ static void cstm(JF, js_Ast *stm)
cexp(J, F, stm->a);
else
emit(J, F, OP_UNDEF);
- target = returntarget(J, F, stm);
+ target = returntarget(J, F, stm->parent);
if (!target)
jsC_error(J, stm, "return not in function");
cexit(J, F, STM_RETURN, stm, target);
|
CWE-476
| null | null |
6,314
|
static js_Function *newfun(js_State *J, js_Ast *name, js_Ast *params, js_Ast *body, int script)
{
js_Function *F = js_malloc(J, sizeof *F);
memset(F, 0, sizeof *F);
F->gcmark = 0;
F->gcnext = J->gcfun;
J->gcfun = F;
++J->gccounter;
F->filename = js_intern(J, J->filename);
F->line = name ? name->line : params ? params->line : body ? body->line : 1;
F->script = script;
F->name = name ? name->string : "";
cfunbody(J, F, name, params, body);
return F;
}
|
DoS
| 0
|
static js_Function *newfun(js_State *J, js_Ast *name, js_Ast *params, js_Ast *body, int script)
{
js_Function *F = js_malloc(J, sizeof *F);
memset(F, 0, sizeof *F);
F->gcmark = 0;
F->gcnext = J->gcfun;
J->gcfun = F;
++J->gccounter;
F->filename = js_intern(J, J->filename);
F->line = name ? name->line : params ? params->line : body ? body->line : 1;
F->script = script;
F->name = name ? name->string : "";
cfunbody(J, F, name, params, body);
return F;
}
|
@@ -1102,11 +1102,11 @@ static void cstm(JF, js_Ast *stm)
case STM_BREAK:
if (stm->a) {
- target = breaktarget(J, F, stm, stm->a->string);
+ target = breaktarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "break label '%s' not found", stm->a->string);
} else {
- target = breaktarget(J, F, stm, NULL);
+ target = breaktarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "unlabelled break must be inside loop or switch");
}
@@ -1116,11 +1116,11 @@ static void cstm(JF, js_Ast *stm)
case STM_CONTINUE:
if (stm->a) {
- target = continuetarget(J, F, stm, stm->a->string);
+ target = continuetarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "continue label '%s' not found", stm->a->string);
} else {
- target = continuetarget(J, F, stm, NULL);
+ target = continuetarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "continue must be inside loop");
}
@@ -1133,7 +1133,7 @@ static void cstm(JF, js_Ast *stm)
cexp(J, F, stm->a);
else
emit(J, F, OP_UNDEF);
- target = returntarget(J, F, stm);
+ target = returntarget(J, F, stm->parent);
if (!target)
jsC_error(J, stm, "return not in function");
cexit(J, F, STM_RETURN, stm, target);
|
CWE-476
| null | null |
6,315
|
static js_Ast *returntarget(JF, js_Ast *node)
{
while (node) {
if (isfun(node->type))
return node;
node = node->parent;
}
return NULL;
}
|
DoS
| 0
|
static js_Ast *returntarget(JF, js_Ast *node)
{
while (node) {
if (isfun(node->type))
return node;
node = node->parent;
}
return NULL;
}
|
@@ -1102,11 +1102,11 @@ static void cstm(JF, js_Ast *stm)
case STM_BREAK:
if (stm->a) {
- target = breaktarget(J, F, stm, stm->a->string);
+ target = breaktarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "break label '%s' not found", stm->a->string);
} else {
- target = breaktarget(J, F, stm, NULL);
+ target = breaktarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "unlabelled break must be inside loop or switch");
}
@@ -1116,11 +1116,11 @@ static void cstm(JF, js_Ast *stm)
case STM_CONTINUE:
if (stm->a) {
- target = continuetarget(J, F, stm, stm->a->string);
+ target = continuetarget(J, F, stm->parent, stm->a->string);
if (!target)
jsC_error(J, stm, "continue label '%s' not found", stm->a->string);
} else {
- target = continuetarget(J, F, stm, NULL);
+ target = continuetarget(J, F, stm->parent, NULL);
if (!target)
jsC_error(J, stm, "continue must be inside loop");
}
@@ -1133,7 +1133,7 @@ static void cstm(JF, js_Ast *stm)
cexp(J, F, stm->a);
else
emit(J, F, OP_UNDEF);
- target = returntarget(J, F, stm);
+ target = returntarget(J, F, stm->parent);
if (!target)
jsC_error(J, stm, "return not in function");
cexit(J, F, STM_RETURN, stm, target);
|
CWE-476
| null | null |
6,316
|
static char *addr_to_string(const char *format,
struct sockaddr_storage *sa,
socklen_t salen) {
char *addr;
char host[NI_MAXHOST];
char serv[NI_MAXSERV];
int err;
size_t addrlen;
if ((err = getnameinfo((struct sockaddr *)sa, salen,
host, sizeof(host),
serv, sizeof(serv),
NI_NUMERICHOST | NI_NUMERICSERV)) != 0) {
VNC_DEBUG("Cannot resolve address %d: %s\n",
err, gai_strerror(err));
return NULL;
}
/* Enough for the existing format + the 2 vars we're
* substituting in. */
addrlen = strlen(format) + strlen(host) + strlen(serv);
addr = g_malloc(addrlen + 1);
snprintf(addr, addrlen, format, host, serv);
addr[addrlen] = '\0';
return addr;
}
|
DoS
| 0
|
static char *addr_to_string(const char *format,
struct sockaddr_storage *sa,
socklen_t salen) {
char *addr;
char host[NI_MAXHOST];
char serv[NI_MAXSERV];
int err;
size_t addrlen;
if ((err = getnameinfo((struct sockaddr *)sa, salen,
host, sizeof(host),
serv, sizeof(serv),
NI_NUMERICHOST | NI_NUMERICSERV)) != 0) {
VNC_DEBUG("Cannot resolve address %d: %s\n",
err, gai_strerror(err));
return NULL;
}
/* Enough for the existing format + the 2 vars we're
* substituting in. */
addrlen = strlen(format) + strlen(host) + strlen(serv);
addr = g_malloc(addrlen + 1);
snprintf(addr, addrlen, format, host, serv);
addr[addrlen] = '\0';
return addr;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,317
|
static void audio_add(VncState *vs)
{
struct audio_capture_ops ops;
if (vs->audio_cap) {
error_report("audio already running");
return;
}
ops.notify = audio_capture_notify;
ops.destroy = audio_capture_destroy;
ops.capture = audio_capture;
vs->audio_cap = AUD_add_capture(&vs->as, &ops, vs);
if (!vs->audio_cap) {
error_report("Failed to add audio capture");
}
}
|
DoS
| 0
|
static void audio_add(VncState *vs)
{
struct audio_capture_ops ops;
if (vs->audio_cap) {
error_report("audio already running");
return;
}
ops.notify = audio_capture_notify;
ops.destroy = audio_capture_destroy;
ops.capture = audio_capture;
vs->audio_cap = AUD_add_capture(&vs->as, &ops, vs);
if (!vs->audio_cap) {
error_report("Failed to add audio capture");
}
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,318
|
static void audio_capture(void *opaque, void *buf, int size)
{
VncState *vs = opaque;
vnc_lock_output(vs);
vnc_write_u8(vs, VNC_MSG_SERVER_QEMU);
vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO);
vnc_write_u16(vs, VNC_MSG_SERVER_QEMU_AUDIO_DATA);
vnc_write_u32(vs, size);
vnc_write(vs, buf, size);
vnc_unlock_output(vs);
vnc_flush(vs);
}
|
DoS
| 0
|
static void audio_capture(void *opaque, void *buf, int size)
{
VncState *vs = opaque;
vnc_lock_output(vs);
vnc_write_u8(vs, VNC_MSG_SERVER_QEMU);
vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO);
vnc_write_u16(vs, VNC_MSG_SERVER_QEMU_AUDIO_DATA);
vnc_write_u32(vs, size);
vnc_write(vs, buf, size);
vnc_unlock_output(vs);
vnc_flush(vs);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,319
|
static void audio_capture_notify(void *opaque, audcnotification_e cmd)
{
VncState *vs = opaque;
switch (cmd) {
case AUD_CNOTIFY_DISABLE:
vnc_lock_output(vs);
vnc_write_u8(vs, VNC_MSG_SERVER_QEMU);
vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO);
vnc_write_u16(vs, VNC_MSG_SERVER_QEMU_AUDIO_END);
vnc_unlock_output(vs);
vnc_flush(vs);
break;
case AUD_CNOTIFY_ENABLE:
vnc_lock_output(vs);
vnc_write_u8(vs, VNC_MSG_SERVER_QEMU);
vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO);
vnc_write_u16(vs, VNC_MSG_SERVER_QEMU_AUDIO_BEGIN);
vnc_unlock_output(vs);
vnc_flush(vs);
break;
}
}
|
DoS
| 0
|
static void audio_capture_notify(void *opaque, audcnotification_e cmd)
{
VncState *vs = opaque;
switch (cmd) {
case AUD_CNOTIFY_DISABLE:
vnc_lock_output(vs);
vnc_write_u8(vs, VNC_MSG_SERVER_QEMU);
vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO);
vnc_write_u16(vs, VNC_MSG_SERVER_QEMU_AUDIO_END);
vnc_unlock_output(vs);
vnc_flush(vs);
break;
case AUD_CNOTIFY_ENABLE:
vnc_lock_output(vs);
vnc_write_u8(vs, VNC_MSG_SERVER_QEMU);
vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO);
vnc_write_u16(vs, VNC_MSG_SERVER_QEMU_AUDIO_BEGIN);
vnc_unlock_output(vs);
vnc_flush(vs);
break;
}
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,320
|
void buffer_append(Buffer *buffer, const void *data, size_t len)
{
memcpy(buffer->buffer + buffer->offset, data, len);
buffer->offset += len;
}
|
DoS
| 0
|
void buffer_append(Buffer *buffer, const void *data, size_t len)
{
memcpy(buffer->buffer + buffer->offset, data, len);
buffer->offset += len;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,321
|
static int buffer_empty(Buffer *buffer)
{
return buffer->offset == 0;
}
|
DoS
| 0
|
static int buffer_empty(Buffer *buffer)
{
return buffer->offset == 0;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,322
|
uint8_t *buffer_end(Buffer *buffer)
{
return buffer->buffer + buffer->offset;
}
|
DoS
| 0
|
uint8_t *buffer_end(Buffer *buffer)
{
return buffer->buffer + buffer->offset;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,323
|
void buffer_free(Buffer *buffer)
{
g_free(buffer->buffer);
buffer->offset = 0;
buffer->capacity = 0;
buffer->buffer = NULL;
}
|
DoS
| 0
|
void buffer_free(Buffer *buffer)
{
g_free(buffer->buffer);
buffer->offset = 0;
buffer->capacity = 0;
buffer->buffer = NULL;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,324
|
static void client_cut_text(VncState *vs, size_t len, uint8_t *text)
{
}
|
DoS
| 0
|
static void client_cut_text(VncState *vs, size_t len, uint8_t *text)
{
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,325
|
static const char *code2name(int keycode)
{
return QKeyCode_lookup[qemu_input_key_number_to_qcode(keycode)];
}
|
DoS
| 0
|
static const char *code2name(int keycode)
{
return QKeyCode_lookup[qemu_input_key_number_to_qcode(keycode)];
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,326
|
static int current_led_state(VncState *vs)
{
int ledstate = 0;
if (vs->modifiers_state[0x46]) {
ledstate |= QEMU_SCROLL_LOCK_LED;
}
if (vs->modifiers_state[0x45]) {
ledstate |= QEMU_NUM_LOCK_LED;
}
if (vs->modifiers_state[0x3a]) {
ledstate |= QEMU_CAPS_LOCK_LED;
}
return ledstate;
}
|
DoS
| 0
|
static int current_led_state(VncState *vs)
{
int ledstate = 0;
if (vs->modifiers_state[0x46]) {
ledstate |= QEMU_SCROLL_LOCK_LED;
}
if (vs->modifiers_state[0x45]) {
ledstate |= QEMU_NUM_LOCK_LED;
}
if (vs->modifiers_state[0x3a]) {
ledstate |= QEMU_CAPS_LOCK_LED;
}
return ledstate;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,327
|
static void ext_key_event(VncState *vs, int down,
uint32_t sym, uint16_t keycode)
{
/* if the user specifies a keyboard layout, always use it */
if (keyboard_layout) {
key_event(vs, down, sym);
} else {
trace_vnc_key_event_ext(down, sym, keycode, code2name(keycode));
do_key_event(vs, down, keycode, sym);
}
}
|
DoS
| 0
|
static void ext_key_event(VncState *vs, int down,
uint32_t sym, uint16_t keycode)
{
/* if the user specifies a keyboard layout, always use it */
if (keyboard_layout) {
key_event(vs, down, sym);
} else {
trace_vnc_key_event_ext(down, sym, keycode, code2name(keycode));
do_key_event(vs, down, keycode, sym);
}
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,328
|
static int find_and_clear_dirty_height(struct VncState *vs,
int y, int last_x, int x, int height)
{
int h;
for (h = 1; h < (height - y); h++) {
if (!test_bit(last_x, vs->dirty[y + h])) {
break;
}
bitmap_clear(vs->dirty[y + h], last_x, x - last_x);
}
return h;
}
|
DoS
| 0
|
static int find_and_clear_dirty_height(struct VncState *vs,
int y, int last_x, int x, int height)
{
int h;
for (h = 1; h < (height - y); h++) {
if (!test_bit(last_x, vs->dirty[y + h])) {
break;
}
bitmap_clear(vs->dirty[y + h], last_x, x - last_x);
}
return h;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,329
|
static void framebuffer_update_request(VncState *vs, int incremental,
int x, int y, int w, int h)
{
int width = pixman_image_get_width(vs->vd->server);
int height = pixman_image_get_height(vs->vd->server);
vs->need_update = 1;
if (incremental) {
return;
}
vs->force_update = 1;
vnc_set_area_dirty(vs->dirty, width, height, x, y, w, h);
}
|
DoS
| 0
|
static void framebuffer_update_request(VncState *vs, int incremental,
int x, int y, int w, int h)
{
int width = pixman_image_get_width(vs->vd->server);
int height = pixman_image_get_height(vs->vd->server);
vs->need_update = 1;
if (incremental) {
return;
}
vs->force_update = 1;
vnc_set_area_dirty(vs->dirty, width, height, x, y, w, h);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,330
|
static void kbd_leds(void *opaque, int ledstate)
{
VncState *vs = opaque;
int caps, num, scr;
bool has_changed = (ledstate != current_led_state(vs));
trace_vnc_key_guest_leds((ledstate & QEMU_CAPS_LOCK_LED),
(ledstate & QEMU_NUM_LOCK_LED),
(ledstate & QEMU_SCROLL_LOCK_LED));
caps = ledstate & QEMU_CAPS_LOCK_LED ? 1 : 0;
num = ledstate & QEMU_NUM_LOCK_LED ? 1 : 0;
scr = ledstate & QEMU_SCROLL_LOCK_LED ? 1 : 0;
if (vs->modifiers_state[0x3a] != caps) {
vs->modifiers_state[0x3a] = caps;
}
if (vs->modifiers_state[0x45] != num) {
vs->modifiers_state[0x45] = num;
}
if (vs->modifiers_state[0x46] != scr) {
vs->modifiers_state[0x46] = scr;
}
/* Sending the current led state message to the client */
if (has_changed) {
vnc_led_state_change(vs);
}
}
|
DoS
| 0
|
static void kbd_leds(void *opaque, int ledstate)
{
VncState *vs = opaque;
int caps, num, scr;
bool has_changed = (ledstate != current_led_state(vs));
trace_vnc_key_guest_leds((ledstate & QEMU_CAPS_LOCK_LED),
(ledstate & QEMU_NUM_LOCK_LED),
(ledstate & QEMU_SCROLL_LOCK_LED));
caps = ledstate & QEMU_CAPS_LOCK_LED ? 1 : 0;
num = ledstate & QEMU_NUM_LOCK_LED ? 1 : 0;
scr = ledstate & QEMU_SCROLL_LOCK_LED ? 1 : 0;
if (vs->modifiers_state[0x3a] != caps) {
vs->modifiers_state[0x3a] = caps;
}
if (vs->modifiers_state[0x45] != num) {
vs->modifiers_state[0x45] = num;
}
if (vs->modifiers_state[0x46] != scr) {
vs->modifiers_state[0x46] = scr;
}
/* Sending the current led state message to the client */
if (has_changed) {
vnc_led_state_change(vs);
}
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,331
|
static void key_event(VncState *vs, int down, uint32_t sym)
{
int keycode;
int lsym = sym;
if (lsym >= 'A' && lsym <= 'Z' && qemu_console_is_graphic(NULL)) {
lsym = lsym - 'A' + 'a';
}
keycode = keysym2scancode(vs->vd->kbd_layout, lsym & 0xFFFF) & SCANCODE_KEYMASK;
trace_vnc_key_event_map(down, sym, keycode, code2name(keycode));
do_key_event(vs, down, keycode, sym);
}
|
DoS
| 0
|
static void key_event(VncState *vs, int down, uint32_t sym)
{
int keycode;
int lsym = sym;
if (lsym >= 'A' && lsym <= 'Z' && qemu_console_is_graphic(NULL)) {
lsym = lsym - 'A' + 'a';
}
keycode = keysym2scancode(vs->vd->kbd_layout, lsym & 0xFFFF) & SCANCODE_KEYMASK;
trace_vnc_key_event_map(down, sym, keycode, code2name(keycode));
do_key_event(vs, down, keycode, sym);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,332
|
static void pixel_format_message (VncState *vs) {
char pad[3] = { 0, 0, 0 };
vs->client_pf = qemu_default_pixelformat(32);
vnc_write_u8(vs, vs->client_pf.bits_per_pixel); /* bits-per-pixel */
vnc_write_u8(vs, vs->client_pf.depth); /* depth */
#ifdef HOST_WORDS_BIGENDIAN
vnc_write_u8(vs, 1); /* big-endian-flag */
#else
vnc_write_u8(vs, 0); /* big-endian-flag */
#endif
vnc_write_u8(vs, 1); /* true-color-flag */
vnc_write_u16(vs, vs->client_pf.rmax); /* red-max */
vnc_write_u16(vs, vs->client_pf.gmax); /* green-max */
vnc_write_u16(vs, vs->client_pf.bmax); /* blue-max */
vnc_write_u8(vs, vs->client_pf.rshift); /* red-shift */
vnc_write_u8(vs, vs->client_pf.gshift); /* green-shift */
vnc_write_u8(vs, vs->client_pf.bshift); /* blue-shift */
vnc_write(vs, pad, 3); /* padding */
vnc_hextile_set_pixel_conversion(vs, 0);
vs->write_pixels = vnc_write_pixels_copy;
}
|
DoS
| 0
|
static void pixel_format_message (VncState *vs) {
char pad[3] = { 0, 0, 0 };
vs->client_pf = qemu_default_pixelformat(32);
vnc_write_u8(vs, vs->client_pf.bits_per_pixel); /* bits-per-pixel */
vnc_write_u8(vs, vs->client_pf.depth); /* depth */
#ifdef HOST_WORDS_BIGENDIAN
vnc_write_u8(vs, 1); /* big-endian-flag */
#else
vnc_write_u8(vs, 0); /* big-endian-flag */
#endif
vnc_write_u8(vs, 1); /* true-color-flag */
vnc_write_u16(vs, vs->client_pf.rmax); /* red-max */
vnc_write_u16(vs, vs->client_pf.gmax); /* green-max */
vnc_write_u16(vs, vs->client_pf.bmax); /* blue-max */
vnc_write_u8(vs, vs->client_pf.rshift); /* red-shift */
vnc_write_u8(vs, vs->client_pf.gshift); /* green-shift */
vnc_write_u8(vs, vs->client_pf.bshift); /* blue-shift */
vnc_write(vs, pad, 3); /* padding */
vnc_hextile_set_pixel_conversion(vs, 0);
vs->write_pixels = vnc_write_pixels_copy;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,333
|
static int protocol_client_auth_vnc(VncState *vs, uint8_t *data, size_t len)
{
unsigned char response[VNC_AUTH_CHALLENGE_SIZE];
int i, j, pwlen;
unsigned char key[8];
time_t now = time(NULL);
if (!vs->vd->password) {
VNC_DEBUG("No password configured on server");
goto reject;
}
if (vs->vd->expires < now) {
VNC_DEBUG("Password is expired");
goto reject;
}
memcpy(response, vs->challenge, VNC_AUTH_CHALLENGE_SIZE);
/* Calculate the expected challenge response */
pwlen = strlen(vs->vd->password);
for (i=0; i<sizeof(key); i++)
key[i] = i<pwlen ? vs->vd->password[i] : 0;
deskey(key, EN0);
for (j = 0; j < VNC_AUTH_CHALLENGE_SIZE; j += 8)
des(response+j, response+j);
/* Compare expected vs actual challenge response */
if (memcmp(response, data, VNC_AUTH_CHALLENGE_SIZE) != 0) {
VNC_DEBUG("Client challenge response did not match\n");
goto reject;
} else {
VNC_DEBUG("Accepting VNC challenge response\n");
vnc_write_u32(vs, 0); /* Accept auth */
vnc_flush(vs);
start_client_init(vs);
}
return 0;
reject:
vnc_write_u32(vs, 1); /* Reject auth */
if (vs->minor >= 8) {
static const char err[] = "Authentication failed";
vnc_write_u32(vs, sizeof(err));
vnc_write(vs, err, sizeof(err));
}
vnc_flush(vs);
vnc_client_error(vs);
return 0;
}
|
DoS
| 0
|
static int protocol_client_auth_vnc(VncState *vs, uint8_t *data, size_t len)
{
unsigned char response[VNC_AUTH_CHALLENGE_SIZE];
int i, j, pwlen;
unsigned char key[8];
time_t now = time(NULL);
if (!vs->vd->password) {
VNC_DEBUG("No password configured on server");
goto reject;
}
if (vs->vd->expires < now) {
VNC_DEBUG("Password is expired");
goto reject;
}
memcpy(response, vs->challenge, VNC_AUTH_CHALLENGE_SIZE);
/* Calculate the expected challenge response */
pwlen = strlen(vs->vd->password);
for (i=0; i<sizeof(key); i++)
key[i] = i<pwlen ? vs->vd->password[i] : 0;
deskey(key, EN0);
for (j = 0; j < VNC_AUTH_CHALLENGE_SIZE; j += 8)
des(response+j, response+j);
/* Compare expected vs actual challenge response */
if (memcmp(response, data, VNC_AUTH_CHALLENGE_SIZE) != 0) {
VNC_DEBUG("Client challenge response did not match\n");
goto reject;
} else {
VNC_DEBUG("Accepting VNC challenge response\n");
vnc_write_u32(vs, 0); /* Accept auth */
vnc_flush(vs);
start_client_init(vs);
}
return 0;
reject:
vnc_write_u32(vs, 1); /* Reject auth */
if (vs->minor >= 8) {
static const char err[] = "Authentication failed";
vnc_write_u32(vs, sizeof(err));
vnc_write(vs, err, sizeof(err));
}
vnc_flush(vs);
vnc_client_error(vs);
return 0;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,334
|
static int protocol_client_init(VncState *vs, uint8_t *data, size_t len)
{
char buf[1024];
VncShareMode mode;
int size;
mode = data[0] ? VNC_SHARE_MODE_SHARED : VNC_SHARE_MODE_EXCLUSIVE;
switch (vs->vd->share_policy) {
case VNC_SHARE_POLICY_IGNORE:
/*
* Ignore the shared flag. Nothing to do here.
*
* Doesn't conform to the rfb spec but is traditional qemu
* behavior, thus left here as option for compatibility
* reasons.
*/
break;
case VNC_SHARE_POLICY_ALLOW_EXCLUSIVE:
/*
* Policy: Allow clients ask for exclusive access.
*
* Implementation: When a client asks for exclusive access,
* disconnect all others. Shared connects are allowed as long
* as no exclusive connection exists.
*
* This is how the rfb spec suggests to handle the shared flag.
*/
if (mode == VNC_SHARE_MODE_EXCLUSIVE) {
VncState *client;
QTAILQ_FOREACH(client, &vs->vd->clients, next) {
if (vs == client) {
continue;
}
if (client->share_mode != VNC_SHARE_MODE_EXCLUSIVE &&
client->share_mode != VNC_SHARE_MODE_SHARED) {
continue;
}
vnc_disconnect_start(client);
}
}
if (mode == VNC_SHARE_MODE_SHARED) {
if (vs->vd->num_exclusive > 0) {
vnc_disconnect_start(vs);
return 0;
}
}
break;
case VNC_SHARE_POLICY_FORCE_SHARED:
/*
* Policy: Shared connects only.
* Implementation: Disallow clients asking for exclusive access.
*
* Useful for shared desktop sessions where you don't want
* someone forgetting to say -shared when running the vnc
* client disconnect everybody else.
*/
if (mode == VNC_SHARE_MODE_EXCLUSIVE) {
vnc_disconnect_start(vs);
return 0;
}
break;
}
vnc_set_share_mode(vs, mode);
vs->client_width = pixman_image_get_width(vs->vd->server);
vs->client_height = pixman_image_get_height(vs->vd->server);
vnc_write_u16(vs, vs->client_width);
vnc_write_u16(vs, vs->client_height);
pixel_format_message(vs);
if (qemu_name)
size = snprintf(buf, sizeof(buf), "QEMU (%s)", qemu_name);
else
size = snprintf(buf, sizeof(buf), "QEMU");
vnc_write_u32(vs, size);
vnc_write(vs, buf, size);
vnc_flush(vs);
vnc_client_cache_auth(vs);
vnc_qmp_event(vs, QAPI_EVENT_VNC_INITIALIZED);
vnc_read_when(vs, protocol_client_msg, 1);
return 0;
}
|
DoS
| 0
|
static int protocol_client_init(VncState *vs, uint8_t *data, size_t len)
{
char buf[1024];
VncShareMode mode;
int size;
mode = data[0] ? VNC_SHARE_MODE_SHARED : VNC_SHARE_MODE_EXCLUSIVE;
switch (vs->vd->share_policy) {
case VNC_SHARE_POLICY_IGNORE:
/*
* Ignore the shared flag. Nothing to do here.
*
* Doesn't conform to the rfb spec but is traditional qemu
* behavior, thus left here as option for compatibility
* reasons.
*/
break;
case VNC_SHARE_POLICY_ALLOW_EXCLUSIVE:
/*
* Policy: Allow clients ask for exclusive access.
*
* Implementation: When a client asks for exclusive access,
* disconnect all others. Shared connects are allowed as long
* as no exclusive connection exists.
*
* This is how the rfb spec suggests to handle the shared flag.
*/
if (mode == VNC_SHARE_MODE_EXCLUSIVE) {
VncState *client;
QTAILQ_FOREACH(client, &vs->vd->clients, next) {
if (vs == client) {
continue;
}
if (client->share_mode != VNC_SHARE_MODE_EXCLUSIVE &&
client->share_mode != VNC_SHARE_MODE_SHARED) {
continue;
}
vnc_disconnect_start(client);
}
}
if (mode == VNC_SHARE_MODE_SHARED) {
if (vs->vd->num_exclusive > 0) {
vnc_disconnect_start(vs);
return 0;
}
}
break;
case VNC_SHARE_POLICY_FORCE_SHARED:
/*
* Policy: Shared connects only.
* Implementation: Disallow clients asking for exclusive access.
*
* Useful for shared desktop sessions where you don't want
* someone forgetting to say -shared when running the vnc
* client disconnect everybody else.
*/
if (mode == VNC_SHARE_MODE_EXCLUSIVE) {
vnc_disconnect_start(vs);
return 0;
}
break;
}
vnc_set_share_mode(vs, mode);
vs->client_width = pixman_image_get_width(vs->vd->server);
vs->client_height = pixman_image_get_height(vs->vd->server);
vnc_write_u16(vs, vs->client_width);
vnc_write_u16(vs, vs->client_height);
pixel_format_message(vs);
if (qemu_name)
size = snprintf(buf, sizeof(buf), "QEMU (%s)", qemu_name);
else
size = snprintf(buf, sizeof(buf), "QEMU");
vnc_write_u32(vs, size);
vnc_write(vs, buf, size);
vnc_flush(vs);
vnc_client_cache_auth(vs);
vnc_qmp_event(vs, QAPI_EVENT_VNC_INITIALIZED);
vnc_read_when(vs, protocol_client_msg, 1);
return 0;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,335
|
static int protocol_client_msg(VncState *vs, uint8_t *data, size_t len)
{
int i;
uint16_t limit;
VncDisplay *vd = vs->vd;
if (data[0] > 3) {
update_displaychangelistener(&vd->dcl, VNC_REFRESH_INTERVAL_BASE);
}
switch (data[0]) {
case VNC_MSG_CLIENT_SET_PIXEL_FORMAT:
if (len == 1)
return 20;
set_pixel_format(vs, read_u8(data, 4), read_u8(data, 5),
read_u8(data, 6), read_u8(data, 7),
read_u16(data, 8), read_u16(data, 10),
read_u16(data, 12), read_u8(data, 14),
read_u8(data, 15), read_u8(data, 16));
break;
case VNC_MSG_CLIENT_SET_ENCODINGS:
if (len == 1)
return 4;
if (len == 4) {
limit = read_u16(data, 2);
if (limit > 0)
return 4 + (limit * 4);
} else
limit = read_u16(data, 2);
for (i = 0; i < limit; i++) {
int32_t val = read_s32(data, 4 + (i * 4));
memcpy(data + 4 + (i * 4), &val, sizeof(val));
}
set_encodings(vs, (int32_t *)(data + 4), limit);
break;
case VNC_MSG_CLIENT_FRAMEBUFFER_UPDATE_REQUEST:
if (len == 1)
return 10;
framebuffer_update_request(vs,
read_u8(data, 1), read_u16(data, 2), read_u16(data, 4),
read_u16(data, 6), read_u16(data, 8));
break;
case VNC_MSG_CLIENT_KEY_EVENT:
if (len == 1)
return 8;
key_event(vs, read_u8(data, 1), read_u32(data, 4));
break;
case VNC_MSG_CLIENT_POINTER_EVENT:
if (len == 1)
return 6;
pointer_event(vs, read_u8(data, 1), read_u16(data, 2), read_u16(data, 4));
break;
case VNC_MSG_CLIENT_CUT_TEXT:
if (len == 1) {
return 8;
}
if (len == 8) {
uint32_t dlen = read_u32(data, 4);
if (dlen > (1 << 20)) {
error_report("vnc: client_cut_text msg payload has %u bytes"
" which exceeds our limit of 1MB.", dlen);
vnc_client_error(vs);
break;
}
if (dlen > 0) {
return 8 + dlen;
}
}
client_cut_text(vs, read_u32(data, 4), data + 8);
break;
case VNC_MSG_CLIENT_QEMU:
if (len == 1)
return 2;
switch (read_u8(data, 1)) {
case VNC_MSG_CLIENT_QEMU_EXT_KEY_EVENT:
if (len == 2)
return 12;
ext_key_event(vs, read_u16(data, 2),
read_u32(data, 4), read_u32(data, 8));
break;
case VNC_MSG_CLIENT_QEMU_AUDIO:
if (len == 2)
return 4;
switch (read_u16 (data, 2)) {
case VNC_MSG_CLIENT_QEMU_AUDIO_ENABLE:
audio_add(vs);
break;
case VNC_MSG_CLIENT_QEMU_AUDIO_DISABLE:
audio_del(vs);
break;
case VNC_MSG_CLIENT_QEMU_AUDIO_SET_FORMAT:
if (len == 4)
return 10;
switch (read_u8(data, 4)) {
case 0: vs->as.fmt = AUD_FMT_U8; break;
case 1: vs->as.fmt = AUD_FMT_S8; break;
case 2: vs->as.fmt = AUD_FMT_U16; break;
case 3: vs->as.fmt = AUD_FMT_S16; break;
case 4: vs->as.fmt = AUD_FMT_U32; break;
case 5: vs->as.fmt = AUD_FMT_S32; break;
default:
printf("Invalid audio format %d\n", read_u8(data, 4));
vnc_client_error(vs);
break;
}
vs->as.nchannels = read_u8(data, 5);
if (vs->as.nchannels != 1 && vs->as.nchannels != 2) {
printf("Invalid audio channel coount %d\n",
read_u8(data, 5));
vnc_client_error(vs);
break;
}
vs->as.freq = read_u32(data, 6);
break;
default:
printf ("Invalid audio message %d\n", read_u8(data, 4));
vnc_client_error(vs);
break;
}
break;
default:
printf("Msg: %d\n", read_u16(data, 0));
vnc_client_error(vs);
break;
}
break;
default:
printf("Msg: %d\n", data[0]);
vnc_client_error(vs);
break;
}
vnc_read_when(vs, protocol_client_msg, 1);
return 0;
}
|
DoS
| 0
|
static int protocol_client_msg(VncState *vs, uint8_t *data, size_t len)
{
int i;
uint16_t limit;
VncDisplay *vd = vs->vd;
if (data[0] > 3) {
update_displaychangelistener(&vd->dcl, VNC_REFRESH_INTERVAL_BASE);
}
switch (data[0]) {
case VNC_MSG_CLIENT_SET_PIXEL_FORMAT:
if (len == 1)
return 20;
set_pixel_format(vs, read_u8(data, 4), read_u8(data, 5),
read_u8(data, 6), read_u8(data, 7),
read_u16(data, 8), read_u16(data, 10),
read_u16(data, 12), read_u8(data, 14),
read_u8(data, 15), read_u8(data, 16));
break;
case VNC_MSG_CLIENT_SET_ENCODINGS:
if (len == 1)
return 4;
if (len == 4) {
limit = read_u16(data, 2);
if (limit > 0)
return 4 + (limit * 4);
} else
limit = read_u16(data, 2);
for (i = 0; i < limit; i++) {
int32_t val = read_s32(data, 4 + (i * 4));
memcpy(data + 4 + (i * 4), &val, sizeof(val));
}
set_encodings(vs, (int32_t *)(data + 4), limit);
break;
case VNC_MSG_CLIENT_FRAMEBUFFER_UPDATE_REQUEST:
if (len == 1)
return 10;
framebuffer_update_request(vs,
read_u8(data, 1), read_u16(data, 2), read_u16(data, 4),
read_u16(data, 6), read_u16(data, 8));
break;
case VNC_MSG_CLIENT_KEY_EVENT:
if (len == 1)
return 8;
key_event(vs, read_u8(data, 1), read_u32(data, 4));
break;
case VNC_MSG_CLIENT_POINTER_EVENT:
if (len == 1)
return 6;
pointer_event(vs, read_u8(data, 1), read_u16(data, 2), read_u16(data, 4));
break;
case VNC_MSG_CLIENT_CUT_TEXT:
if (len == 1) {
return 8;
}
if (len == 8) {
uint32_t dlen = read_u32(data, 4);
if (dlen > (1 << 20)) {
error_report("vnc: client_cut_text msg payload has %u bytes"
" which exceeds our limit of 1MB.", dlen);
vnc_client_error(vs);
break;
}
if (dlen > 0) {
return 8 + dlen;
}
}
client_cut_text(vs, read_u32(data, 4), data + 8);
break;
case VNC_MSG_CLIENT_QEMU:
if (len == 1)
return 2;
switch (read_u8(data, 1)) {
case VNC_MSG_CLIENT_QEMU_EXT_KEY_EVENT:
if (len == 2)
return 12;
ext_key_event(vs, read_u16(data, 2),
read_u32(data, 4), read_u32(data, 8));
break;
case VNC_MSG_CLIENT_QEMU_AUDIO:
if (len == 2)
return 4;
switch (read_u16 (data, 2)) {
case VNC_MSG_CLIENT_QEMU_AUDIO_ENABLE:
audio_add(vs);
break;
case VNC_MSG_CLIENT_QEMU_AUDIO_DISABLE:
audio_del(vs);
break;
case VNC_MSG_CLIENT_QEMU_AUDIO_SET_FORMAT:
if (len == 4)
return 10;
switch (read_u8(data, 4)) {
case 0: vs->as.fmt = AUD_FMT_U8; break;
case 1: vs->as.fmt = AUD_FMT_S8; break;
case 2: vs->as.fmt = AUD_FMT_U16; break;
case 3: vs->as.fmt = AUD_FMT_S16; break;
case 4: vs->as.fmt = AUD_FMT_U32; break;
case 5: vs->as.fmt = AUD_FMT_S32; break;
default:
printf("Invalid audio format %d\n", read_u8(data, 4));
vnc_client_error(vs);
break;
}
vs->as.nchannels = read_u8(data, 5);
if (vs->as.nchannels != 1 && vs->as.nchannels != 2) {
printf("Invalid audio channel coount %d\n",
read_u8(data, 5));
vnc_client_error(vs);
break;
}
vs->as.freq = read_u32(data, 6);
break;
default:
printf ("Invalid audio message %d\n", read_u8(data, 4));
vnc_client_error(vs);
break;
}
break;
default:
printf("Msg: %d\n", read_u16(data, 0));
vnc_client_error(vs);
break;
}
break;
default:
printf("Msg: %d\n", data[0]);
vnc_client_error(vs);
break;
}
vnc_read_when(vs, protocol_client_msg, 1);
return 0;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,336
|
static int protocol_version(VncState *vs, uint8_t *version, size_t len)
{
char local[13];
memcpy(local, version, 12);
local[12] = 0;
if (sscanf(local, "RFB %03d.%03d\n", &vs->major, &vs->minor) != 2) {
VNC_DEBUG("Malformed protocol version %s\n", local);
vnc_client_error(vs);
return 0;
}
VNC_DEBUG("Client request protocol version %d.%d\n", vs->major, vs->minor);
if (vs->major != 3 ||
(vs->minor != 3 &&
vs->minor != 4 &&
vs->minor != 5 &&
vs->minor != 7 &&
vs->minor != 8)) {
VNC_DEBUG("Unsupported client version\n");
vnc_write_u32(vs, VNC_AUTH_INVALID);
vnc_flush(vs);
vnc_client_error(vs);
return 0;
}
/* Some broken clients report v3.4 or v3.5, which spec requires to be treated
* as equivalent to v3.3 by servers
*/
if (vs->minor == 4 || vs->minor == 5)
vs->minor = 3;
if (vs->minor == 3) {
if (vs->auth == VNC_AUTH_NONE) {
VNC_DEBUG("Tell client auth none\n");
vnc_write_u32(vs, vs->auth);
vnc_flush(vs);
start_client_init(vs);
} else if (vs->auth == VNC_AUTH_VNC) {
VNC_DEBUG("Tell client VNC auth\n");
vnc_write_u32(vs, vs->auth);
vnc_flush(vs);
start_auth_vnc(vs);
} else {
VNC_DEBUG("Unsupported auth %d for protocol 3.3\n", vs->auth);
vnc_write_u32(vs, VNC_AUTH_INVALID);
vnc_flush(vs);
vnc_client_error(vs);
}
} else {
VNC_DEBUG("Telling client we support auth %d\n", vs->auth);
vnc_write_u8(vs, 1); /* num auth */
vnc_write_u8(vs, vs->auth);
vnc_read_when(vs, protocol_client_auth, 1);
vnc_flush(vs);
}
return 0;
}
|
DoS
| 0
|
static int protocol_version(VncState *vs, uint8_t *version, size_t len)
{
char local[13];
memcpy(local, version, 12);
local[12] = 0;
if (sscanf(local, "RFB %03d.%03d\n", &vs->major, &vs->minor) != 2) {
VNC_DEBUG("Malformed protocol version %s\n", local);
vnc_client_error(vs);
return 0;
}
VNC_DEBUG("Client request protocol version %d.%d\n", vs->major, vs->minor);
if (vs->major != 3 ||
(vs->minor != 3 &&
vs->minor != 4 &&
vs->minor != 5 &&
vs->minor != 7 &&
vs->minor != 8)) {
VNC_DEBUG("Unsupported client version\n");
vnc_write_u32(vs, VNC_AUTH_INVALID);
vnc_flush(vs);
vnc_client_error(vs);
return 0;
}
/* Some broken clients report v3.4 or v3.5, which spec requires to be treated
* as equivalent to v3.3 by servers
*/
if (vs->minor == 4 || vs->minor == 5)
vs->minor = 3;
if (vs->minor == 3) {
if (vs->auth == VNC_AUTH_NONE) {
VNC_DEBUG("Tell client auth none\n");
vnc_write_u32(vs, vs->auth);
vnc_flush(vs);
start_client_init(vs);
} else if (vs->auth == VNC_AUTH_VNC) {
VNC_DEBUG("Tell client VNC auth\n");
vnc_write_u32(vs, vs->auth);
vnc_flush(vs);
start_auth_vnc(vs);
} else {
VNC_DEBUG("Unsupported auth %d for protocol 3.3\n", vs->auth);
vnc_write_u32(vs, VNC_AUTH_INVALID);
vnc_flush(vs);
vnc_client_error(vs);
}
} else {
VNC_DEBUG("Telling client we support auth %d\n", vs->auth);
vnc_write_u8(vs, 1); /* num auth */
vnc_write_u8(vs, vs->auth);
vnc_read_when(vs, protocol_client_auth, 1);
vnc_flush(vs);
}
return 0;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,337
|
VncInfo *qmp_query_vnc(Error **errp)
{
VncInfo *info = g_malloc0(sizeof(*info));
if (vnc_display == NULL || vnc_display->display == NULL) {
info->enabled = false;
} else {
VncClientInfoList *cur_item = NULL;
struct sockaddr_storage sa;
socklen_t salen = sizeof(sa);
char host[NI_MAXHOST];
char serv[NI_MAXSERV];
VncState *client;
info->enabled = true;
/* for compatibility with the original command */
info->has_clients = true;
QTAILQ_FOREACH(client, &vnc_display->clients, next) {
VncClientInfoList *cinfo = g_malloc0(sizeof(*info));
cinfo->value = qmp_query_vnc_client(client);
/* XXX: waiting for the qapi to support GSList */
if (!cur_item) {
info->clients = cur_item = cinfo;
} else {
cur_item->next = cinfo;
cur_item = cinfo;
}
}
if (vnc_display->lsock == -1) {
return info;
}
if (getsockname(vnc_display->lsock, (struct sockaddr *)&sa,
&salen) == -1) {
error_set(errp, QERR_UNDEFINED_ERROR);
goto out_error;
}
if (getnameinfo((struct sockaddr *)&sa, salen,
host, sizeof(host),
serv, sizeof(serv),
NI_NUMERICHOST | NI_NUMERICSERV) < 0) {
error_set(errp, QERR_UNDEFINED_ERROR);
goto out_error;
}
info->has_host = true;
info->host = g_strdup(host);
info->has_service = true;
info->service = g_strdup(serv);
info->has_family = true;
info->family = inet_netfamily(sa.ss_family);
info->has_auth = true;
info->auth = g_strdup(vnc_auth_name(vnc_display));
}
return info;
out_error:
qapi_free_VncInfo(info);
return NULL;
}
|
DoS
| 0
|
VncInfo *qmp_query_vnc(Error **errp)
{
VncInfo *info = g_malloc0(sizeof(*info));
if (vnc_display == NULL || vnc_display->display == NULL) {
info->enabled = false;
} else {
VncClientInfoList *cur_item = NULL;
struct sockaddr_storage sa;
socklen_t salen = sizeof(sa);
char host[NI_MAXHOST];
char serv[NI_MAXSERV];
VncState *client;
info->enabled = true;
/* for compatibility with the original command */
info->has_clients = true;
QTAILQ_FOREACH(client, &vnc_display->clients, next) {
VncClientInfoList *cinfo = g_malloc0(sizeof(*info));
cinfo->value = qmp_query_vnc_client(client);
/* XXX: waiting for the qapi to support GSList */
if (!cur_item) {
info->clients = cur_item = cinfo;
} else {
cur_item->next = cinfo;
cur_item = cinfo;
}
}
if (vnc_display->lsock == -1) {
return info;
}
if (getsockname(vnc_display->lsock, (struct sockaddr *)&sa,
&salen) == -1) {
error_set(errp, QERR_UNDEFINED_ERROR);
goto out_error;
}
if (getnameinfo((struct sockaddr *)&sa, salen,
host, sizeof(host),
serv, sizeof(serv),
NI_NUMERICHOST | NI_NUMERICSERV) < 0) {
error_set(errp, QERR_UNDEFINED_ERROR);
goto out_error;
}
info->has_host = true;
info->host = g_strdup(host);
info->has_service = true;
info->service = g_strdup(serv);
info->has_family = true;
info->family = inet_netfamily(sa.ss_family);
info->has_auth = true;
info->auth = g_strdup(vnc_auth_name(vnc_display));
}
return info;
out_error:
qapi_free_VncInfo(info);
return NULL;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,338
|
static VncClientInfo *qmp_query_vnc_client(const VncState *client)
{
struct sockaddr_storage sa;
socklen_t salen = sizeof(sa);
char host[NI_MAXHOST];
char serv[NI_MAXSERV];
VncClientInfo *info;
if (getpeername(client->csock, (struct sockaddr *)&sa, &salen) < 0) {
return NULL;
}
if (getnameinfo((struct sockaddr *)&sa, salen,
host, sizeof(host),
serv, sizeof(serv),
NI_NUMERICHOST | NI_NUMERICSERV) < 0) {
return NULL;
}
info = g_malloc0(sizeof(*info));
info->base = g_malloc0(sizeof(*info->base));
info->base->host = g_strdup(host);
info->base->service = g_strdup(serv);
info->base->family = inet_netfamily(sa.ss_family);
#ifdef CONFIG_VNC_TLS
if (client->tls.session && client->tls.dname) {
info->has_x509_dname = true;
info->x509_dname = g_strdup(client->tls.dname);
}
#endif
#ifdef CONFIG_VNC_SASL
if (client->sasl.conn && client->sasl.username) {
info->has_sasl_username = true;
info->sasl_username = g_strdup(client->sasl.username);
}
#endif
return info;
}
|
DoS
| 0
|
static VncClientInfo *qmp_query_vnc_client(const VncState *client)
{
struct sockaddr_storage sa;
socklen_t salen = sizeof(sa);
char host[NI_MAXHOST];
char serv[NI_MAXSERV];
VncClientInfo *info;
if (getpeername(client->csock, (struct sockaddr *)&sa, &salen) < 0) {
return NULL;
}
if (getnameinfo((struct sockaddr *)&sa, salen,
host, sizeof(host),
serv, sizeof(serv),
NI_NUMERICHOST | NI_NUMERICSERV) < 0) {
return NULL;
}
info = g_malloc0(sizeof(*info));
info->base = g_malloc0(sizeof(*info->base));
info->base->host = g_strdup(host);
info->base->service = g_strdup(serv);
info->base->family = inet_netfamily(sa.ss_family);
#ifdef CONFIG_VNC_TLS
if (client->tls.session && client->tls.dname) {
info->has_x509_dname = true;
info->x509_dname = g_strdup(client->tls.dname);
}
#endif
#ifdef CONFIG_VNC_SASL
if (client->sasl.conn && client->sasl.username) {
info->has_sasl_username = true;
info->sasl_username = g_strdup(client->sasl.username);
}
#endif
return info;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,339
|
uint32_t read_u32(uint8_t *data, size_t offset)
{
return ((data[offset] << 24) | (data[offset + 1] << 16) |
(data[offset + 2] << 8) | data[offset + 3]);
}
|
DoS
| 0
|
uint32_t read_u32(uint8_t *data, size_t offset)
{
return ((data[offset] << 24) | (data[offset + 1] << 16) |
(data[offset + 2] << 8) | data[offset + 3]);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,340
|
static uint8_t read_u8(uint8_t *data, size_t offset)
{
return data[offset];
}
|
DoS
| 0
|
static uint8_t read_u8(uint8_t *data, size_t offset)
{
return data[offset];
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,341
|
static void reset_keys(VncState *vs)
{
int i;
for(i = 0; i < 256; i++) {
if (vs->modifiers_state[i]) {
qemu_input_event_send_key_number(vs->vd->dcl.con, i, false);
vs->modifiers_state[i] = 0;
}
}
}
|
DoS
| 0
|
static void reset_keys(VncState *vs)
{
int i;
for(i = 0; i < 256; i++) {
if (vs->modifiers_state[i]) {
qemu_input_event_send_key_number(vs->vd->dcl.con, i, false);
vs->modifiers_state[i] = 0;
}
}
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,342
|
static void send_ext_audio_ack(VncState *vs)
{
vnc_lock_output(vs);
vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
vnc_write_u8(vs, 0);
vnc_write_u16(vs, 1);
vnc_framebuffer_update(vs, 0, 0,
pixman_image_get_width(vs->vd->server),
pixman_image_get_height(vs->vd->server),
VNC_ENCODING_AUDIO);
vnc_unlock_output(vs);
vnc_flush(vs);
}
|
DoS
| 0
|
static void send_ext_audio_ack(VncState *vs)
{
vnc_lock_output(vs);
vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
vnc_write_u8(vs, 0);
vnc_write_u16(vs, 1);
vnc_framebuffer_update(vs, 0, 0,
pixman_image_get_width(vs->vd->server),
pixman_image_get_height(vs->vd->server),
VNC_ENCODING_AUDIO);
vnc_unlock_output(vs);
vnc_flush(vs);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,343
|
static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings)
{
int i;
unsigned int enc = 0;
vs->features = 0;
vs->vnc_encoding = 0;
vs->tight.compression = 9;
vs->tight.quality = -1; /* Lossless by default */
vs->absolute = -1;
/*
* Start from the end because the encodings are sent in order of preference.
* This way the preferred encoding (first encoding defined in the array)
* will be set at the end of the loop.
*/
for (i = n_encodings - 1; i >= 0; i--) {
enc = encodings[i];
switch (enc) {
case VNC_ENCODING_RAW:
vs->vnc_encoding = enc;
break;
case VNC_ENCODING_COPYRECT:
vs->features |= VNC_FEATURE_COPYRECT_MASK;
break;
case VNC_ENCODING_HEXTILE:
vs->features |= VNC_FEATURE_HEXTILE_MASK;
vs->vnc_encoding = enc;
break;
case VNC_ENCODING_TIGHT:
vs->features |= VNC_FEATURE_TIGHT_MASK;
vs->vnc_encoding = enc;
break;
#ifdef CONFIG_VNC_PNG
case VNC_ENCODING_TIGHT_PNG:
vs->features |= VNC_FEATURE_TIGHT_PNG_MASK;
vs->vnc_encoding = enc;
break;
#endif
case VNC_ENCODING_ZLIB:
vs->features |= VNC_FEATURE_ZLIB_MASK;
vs->vnc_encoding = enc;
break;
case VNC_ENCODING_ZRLE:
vs->features |= VNC_FEATURE_ZRLE_MASK;
vs->vnc_encoding = enc;
break;
case VNC_ENCODING_ZYWRLE:
vs->features |= VNC_FEATURE_ZYWRLE_MASK;
vs->vnc_encoding = enc;
break;
case VNC_ENCODING_DESKTOPRESIZE:
vs->features |= VNC_FEATURE_RESIZE_MASK;
break;
case VNC_ENCODING_POINTER_TYPE_CHANGE:
vs->features |= VNC_FEATURE_POINTER_TYPE_CHANGE_MASK;
break;
case VNC_ENCODING_RICH_CURSOR:
vs->features |= VNC_FEATURE_RICH_CURSOR_MASK;
break;
case VNC_ENCODING_EXT_KEY_EVENT:
send_ext_key_event_ack(vs);
break;
case VNC_ENCODING_AUDIO:
send_ext_audio_ack(vs);
break;
case VNC_ENCODING_WMVi:
vs->features |= VNC_FEATURE_WMVI_MASK;
break;
case VNC_ENCODING_LED_STATE:
vs->features |= VNC_FEATURE_LED_STATE_MASK;
break;
case VNC_ENCODING_COMPRESSLEVEL0 ... VNC_ENCODING_COMPRESSLEVEL0 + 9:
vs->tight.compression = (enc & 0x0F);
break;
case VNC_ENCODING_QUALITYLEVEL0 ... VNC_ENCODING_QUALITYLEVEL0 + 9:
if (vs->vd->lossy) {
vs->tight.quality = (enc & 0x0F);
}
break;
default:
VNC_DEBUG("Unknown encoding: %d (0x%.8x): %d\n", i, enc, enc);
break;
}
}
vnc_desktop_resize(vs);
check_pointer_type_change(&vs->mouse_mode_notifier, NULL);
vnc_led_state_change(vs);
}
|
DoS
| 0
|
static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings)
{
int i;
unsigned int enc = 0;
vs->features = 0;
vs->vnc_encoding = 0;
vs->tight.compression = 9;
vs->tight.quality = -1; /* Lossless by default */
vs->absolute = -1;
/*
* Start from the end because the encodings are sent in order of preference.
* This way the preferred encoding (first encoding defined in the array)
* will be set at the end of the loop.
*/
for (i = n_encodings - 1; i >= 0; i--) {
enc = encodings[i];
switch (enc) {
case VNC_ENCODING_RAW:
vs->vnc_encoding = enc;
break;
case VNC_ENCODING_COPYRECT:
vs->features |= VNC_FEATURE_COPYRECT_MASK;
break;
case VNC_ENCODING_HEXTILE:
vs->features |= VNC_FEATURE_HEXTILE_MASK;
vs->vnc_encoding = enc;
break;
case VNC_ENCODING_TIGHT:
vs->features |= VNC_FEATURE_TIGHT_MASK;
vs->vnc_encoding = enc;
break;
#ifdef CONFIG_VNC_PNG
case VNC_ENCODING_TIGHT_PNG:
vs->features |= VNC_FEATURE_TIGHT_PNG_MASK;
vs->vnc_encoding = enc;
break;
#endif
case VNC_ENCODING_ZLIB:
vs->features |= VNC_FEATURE_ZLIB_MASK;
vs->vnc_encoding = enc;
break;
case VNC_ENCODING_ZRLE:
vs->features |= VNC_FEATURE_ZRLE_MASK;
vs->vnc_encoding = enc;
break;
case VNC_ENCODING_ZYWRLE:
vs->features |= VNC_FEATURE_ZYWRLE_MASK;
vs->vnc_encoding = enc;
break;
case VNC_ENCODING_DESKTOPRESIZE:
vs->features |= VNC_FEATURE_RESIZE_MASK;
break;
case VNC_ENCODING_POINTER_TYPE_CHANGE:
vs->features |= VNC_FEATURE_POINTER_TYPE_CHANGE_MASK;
break;
case VNC_ENCODING_RICH_CURSOR:
vs->features |= VNC_FEATURE_RICH_CURSOR_MASK;
break;
case VNC_ENCODING_EXT_KEY_EVENT:
send_ext_key_event_ack(vs);
break;
case VNC_ENCODING_AUDIO:
send_ext_audio_ack(vs);
break;
case VNC_ENCODING_WMVi:
vs->features |= VNC_FEATURE_WMVI_MASK;
break;
case VNC_ENCODING_LED_STATE:
vs->features |= VNC_FEATURE_LED_STATE_MASK;
break;
case VNC_ENCODING_COMPRESSLEVEL0 ... VNC_ENCODING_COMPRESSLEVEL0 + 9:
vs->tight.compression = (enc & 0x0F);
break;
case VNC_ENCODING_QUALITYLEVEL0 ... VNC_ENCODING_QUALITYLEVEL0 + 9:
if (vs->vd->lossy) {
vs->tight.quality = (enc & 0x0F);
}
break;
default:
VNC_DEBUG("Unknown encoding: %d (0x%.8x): %d\n", i, enc, enc);
break;
}
}
vnc_desktop_resize(vs);
check_pointer_type_change(&vs->mouse_mode_notifier, NULL);
vnc_led_state_change(vs);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,344
|
void start_auth_vnc(VncState *vs)
{
make_challenge(vs);
/* Send client a 'random' challenge */
vnc_write(vs, vs->challenge, sizeof(vs->challenge));
vnc_flush(vs);
vnc_read_when(vs, protocol_client_auth_vnc, sizeof(vs->challenge));
}
|
DoS
| 0
|
void start_auth_vnc(VncState *vs)
{
make_challenge(vs);
/* Send client a 'random' challenge */
vnc_write(vs, vs->challenge, sizeof(vs->challenge));
vnc_flush(vs);
vnc_read_when(vs, protocol_client_auth_vnc, sizeof(vs->challenge));
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,345
|
static void vnc_abort_display_jobs(VncDisplay *vd)
{
VncState *vs;
QTAILQ_FOREACH(vs, &vd->clients, next) {
vnc_lock_output(vs);
vs->abort = true;
vnc_unlock_output(vs);
}
QTAILQ_FOREACH(vs, &vd->clients, next) {
vnc_jobs_join(vs);
}
QTAILQ_FOREACH(vs, &vd->clients, next) {
vnc_lock_output(vs);
vs->abort = false;
vnc_unlock_output(vs);
}
}
|
DoS
| 0
|
static void vnc_abort_display_jobs(VncDisplay *vd)
{
VncState *vs;
QTAILQ_FOREACH(vs, &vd->clients, next) {
vnc_lock_output(vs);
vs->abort = true;
vnc_unlock_output(vs);
}
QTAILQ_FOREACH(vs, &vd->clients, next) {
vnc_jobs_join(vs);
}
QTAILQ_FOREACH(vs, &vd->clients, next) {
vnc_lock_output(vs);
vs->abort = false;
vnc_unlock_output(vs);
}
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,346
|
static const char *vnc_auth_name(VncDisplay *vd) {
switch (vd->auth) {
case VNC_AUTH_INVALID:
return "invalid";
case VNC_AUTH_NONE:
return "none";
case VNC_AUTH_VNC:
return "vnc";
case VNC_AUTH_RA2:
return "ra2";
case VNC_AUTH_RA2NE:
return "ra2ne";
case VNC_AUTH_TIGHT:
return "tight";
case VNC_AUTH_ULTRA:
return "ultra";
case VNC_AUTH_TLS:
return "tls";
case VNC_AUTH_VENCRYPT:
#ifdef CONFIG_VNC_TLS
switch (vd->subauth) {
case VNC_AUTH_VENCRYPT_PLAIN:
return "vencrypt+plain";
case VNC_AUTH_VENCRYPT_TLSNONE:
return "vencrypt+tls+none";
case VNC_AUTH_VENCRYPT_TLSVNC:
return "vencrypt+tls+vnc";
case VNC_AUTH_VENCRYPT_TLSPLAIN:
return "vencrypt+tls+plain";
case VNC_AUTH_VENCRYPT_X509NONE:
return "vencrypt+x509+none";
case VNC_AUTH_VENCRYPT_X509VNC:
return "vencrypt+x509+vnc";
case VNC_AUTH_VENCRYPT_X509PLAIN:
return "vencrypt+x509+plain";
case VNC_AUTH_VENCRYPT_TLSSASL:
return "vencrypt+tls+sasl";
case VNC_AUTH_VENCRYPT_X509SASL:
return "vencrypt+x509+sasl";
default:
return "vencrypt";
}
#else
return "vencrypt";
#endif
case VNC_AUTH_SASL:
return "sasl";
}
return "unknown";
}
|
DoS
| 0
|
static const char *vnc_auth_name(VncDisplay *vd) {
switch (vd->auth) {
case VNC_AUTH_INVALID:
return "invalid";
case VNC_AUTH_NONE:
return "none";
case VNC_AUTH_VNC:
return "vnc";
case VNC_AUTH_RA2:
return "ra2";
case VNC_AUTH_RA2NE:
return "ra2ne";
case VNC_AUTH_TIGHT:
return "tight";
case VNC_AUTH_ULTRA:
return "ultra";
case VNC_AUTH_TLS:
return "tls";
case VNC_AUTH_VENCRYPT:
#ifdef CONFIG_VNC_TLS
switch (vd->subauth) {
case VNC_AUTH_VENCRYPT_PLAIN:
return "vencrypt+plain";
case VNC_AUTH_VENCRYPT_TLSNONE:
return "vencrypt+tls+none";
case VNC_AUTH_VENCRYPT_TLSVNC:
return "vencrypt+tls+vnc";
case VNC_AUTH_VENCRYPT_TLSPLAIN:
return "vencrypt+tls+plain";
case VNC_AUTH_VENCRYPT_X509NONE:
return "vencrypt+x509+none";
case VNC_AUTH_VENCRYPT_X509VNC:
return "vencrypt+x509+vnc";
case VNC_AUTH_VENCRYPT_X509PLAIN:
return "vencrypt+x509+plain";
case VNC_AUTH_VENCRYPT_TLSSASL:
return "vencrypt+tls+sasl";
case VNC_AUTH_VENCRYPT_X509SASL:
return "vencrypt+x509+sasl";
default:
return "vencrypt";
}
#else
return "vencrypt";
#endif
case VNC_AUTH_SASL:
return "sasl";
}
return "unknown";
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,347
|
static VncBasicInfo *vnc_basic_info_get(struct sockaddr_storage *sa,
socklen_t salen)
{
VncBasicInfo *info;
char host[NI_MAXHOST];
char serv[NI_MAXSERV];
int err;
if ((err = getnameinfo((struct sockaddr *)sa, salen,
host, sizeof(host),
serv, sizeof(serv),
NI_NUMERICHOST | NI_NUMERICSERV)) != 0) {
VNC_DEBUG("Cannot resolve address %d: %s\n",
err, gai_strerror(err));
return NULL;
}
info = g_malloc0(sizeof(VncBasicInfo));
info->host = g_strdup(host);
info->service = g_strdup(serv);
info->family = inet_netfamily(sa->ss_family);
return info;
}
|
DoS
| 0
|
static VncBasicInfo *vnc_basic_info_get(struct sockaddr_storage *sa,
socklen_t salen)
{
VncBasicInfo *info;
char host[NI_MAXHOST];
char serv[NI_MAXSERV];
int err;
if ((err = getnameinfo((struct sockaddr *)sa, salen,
host, sizeof(host),
serv, sizeof(serv),
NI_NUMERICHOST | NI_NUMERICSERV)) != 0) {
VNC_DEBUG("Cannot resolve address %d: %s\n",
err, gai_strerror(err));
return NULL;
}
info = g_malloc0(sizeof(VncBasicInfo));
info->host = g_strdup(host);
info->service = g_strdup(serv);
info->family = inet_netfamily(sa->ss_family);
return info;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,348
|
static VncBasicInfo *vnc_basic_info_get_from_remote_addr(int fd)
{
struct sockaddr_storage sa;
socklen_t salen;
salen = sizeof(sa);
if (getpeername(fd, (struct sockaddr*)&sa, &salen) < 0) {
return NULL;
}
return vnc_basic_info_get(&sa, salen);
}
|
DoS
| 0
|
static VncBasicInfo *vnc_basic_info_get_from_remote_addr(int fd)
{
struct sockaddr_storage sa;
socklen_t salen;
salen = sizeof(sa);
if (getpeername(fd, (struct sockaddr*)&sa, &salen) < 0) {
return NULL;
}
return vnc_basic_info_get(&sa, salen);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,349
|
static VncBasicInfo *vnc_basic_info_get_from_server_addr(int fd)
{
struct sockaddr_storage sa;
socklen_t salen;
salen = sizeof(sa);
if (getsockname(fd, (struct sockaddr*)&sa, &salen) < 0) {
return NULL;
}
return vnc_basic_info_get(&sa, salen);
}
|
DoS
| 0
|
static VncBasicInfo *vnc_basic_info_get_from_server_addr(int fd)
{
struct sockaddr_storage sa;
socklen_t salen;
salen = sizeof(sa);
if (getsockname(fd, (struct sockaddr*)&sa, &salen) < 0) {
return NULL;
}
return vnc_basic_info_get(&sa, salen);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,350
|
static void vnc_client_cache_addr(VncState *client)
{
VncBasicInfo *bi = vnc_basic_info_get_from_remote_addr(client->csock);
if (bi) {
client->info = g_malloc0(sizeof(*client->info));
client->info->base = bi;
}
}
|
DoS
| 0
|
static void vnc_client_cache_addr(VncState *client)
{
VncBasicInfo *bi = vnc_basic_info_get_from_remote_addr(client->csock);
if (bi) {
client->info = g_malloc0(sizeof(*client->info));
client->info->base = bi;
}
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,351
|
static void vnc_client_cache_auth(VncState *client)
{
if (!client->info) {
return;
}
#ifdef CONFIG_VNC_TLS
if (client->tls.session &&
client->tls.dname) {
client->info->has_x509_dname = true;
client->info->x509_dname = g_strdup(client->tls.dname);
}
#endif
#ifdef CONFIG_VNC_SASL
if (client->sasl.conn &&
client->sasl.username) {
client->info->has_sasl_username = true;
client->info->sasl_username = g_strdup(client->sasl.username);
}
#endif
}
|
DoS
| 0
|
static void vnc_client_cache_auth(VncState *client)
{
if (!client->info) {
return;
}
#ifdef CONFIG_VNC_TLS
if (client->tls.session &&
client->tls.dname) {
client->info->has_x509_dname = true;
client->info->x509_dname = g_strdup(client->tls.dname);
}
#endif
#ifdef CONFIG_VNC_SASL
if (client->sasl.conn &&
client->sasl.username) {
client->info->has_sasl_username = true;
client->info->sasl_username = g_strdup(client->sasl.username);
}
#endif
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,352
|
void vnc_client_error(VncState *vs)
{
VNC_DEBUG("Closing down client sock: protocol error\n");
vnc_disconnect_start(vs);
}
|
DoS
| 0
|
void vnc_client_error(VncState *vs)
{
VNC_DEBUG("Closing down client sock: protocol error\n");
vnc_disconnect_start(vs);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,353
|
int vnc_client_io_error(VncState *vs, int ret, int last_errno)
{
if (ret == 0 || ret == -1) {
if (ret == -1) {
switch (last_errno) {
case EINTR:
case EAGAIN:
#ifdef _WIN32
case WSAEWOULDBLOCK:
#endif
return 0;
default:
break;
}
}
VNC_DEBUG("Closing down client sock: ret %d, errno %d\n",
ret, ret < 0 ? last_errno : 0);
vnc_disconnect_start(vs);
return 0;
}
return ret;
}
|
DoS
| 0
|
int vnc_client_io_error(VncState *vs, int ret, int last_errno)
{
if (ret == 0 || ret == -1) {
if (ret == -1) {
switch (last_errno) {
case EINTR:
case EAGAIN:
#ifdef _WIN32
case WSAEWOULDBLOCK:
#endif
return 0;
default:
break;
}
}
VNC_DEBUG("Closing down client sock: ret %d, errno %d\n",
ret, ret < 0 ? last_errno : 0);
vnc_disconnect_start(vs);
return 0;
}
return ret;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,354
|
void vnc_client_read(void *opaque)
{
VncState *vs = opaque;
long ret;
#ifdef CONFIG_VNC_SASL
if (vs->sasl.conn && vs->sasl.runSSF)
ret = vnc_client_read_sasl(vs);
else
#endif /* CONFIG_VNC_SASL */
#ifdef CONFIG_VNC_WS
if (vs->encode_ws) {
ret = vnc_client_read_ws(vs);
if (ret == -1) {
vnc_disconnect_start(vs);
return;
} else if (ret == -2) {
vnc_client_error(vs);
return;
}
} else
#endif /* CONFIG_VNC_WS */
{
ret = vnc_client_read_plain(vs);
}
if (!ret) {
if (vs->csock == -1)
vnc_disconnect_finish(vs);
return;
}
while (vs->read_handler && vs->input.offset >= vs->read_handler_expect) {
size_t len = vs->read_handler_expect;
int ret;
ret = vs->read_handler(vs, vs->input.buffer, len);
if (vs->csock == -1) {
vnc_disconnect_finish(vs);
return;
}
if (!ret) {
buffer_advance(&vs->input, len);
} else {
vs->read_handler_expect = ret;
}
}
}
|
DoS
| 0
|
void vnc_client_read(void *opaque)
{
VncState *vs = opaque;
long ret;
#ifdef CONFIG_VNC_SASL
if (vs->sasl.conn && vs->sasl.runSSF)
ret = vnc_client_read_sasl(vs);
else
#endif /* CONFIG_VNC_SASL */
#ifdef CONFIG_VNC_WS
if (vs->encode_ws) {
ret = vnc_client_read_ws(vs);
if (ret == -1) {
vnc_disconnect_start(vs);
return;
} else if (ret == -2) {
vnc_client_error(vs);
return;
}
} else
#endif /* CONFIG_VNC_WS */
{
ret = vnc_client_read_plain(vs);
}
if (!ret) {
if (vs->csock == -1)
vnc_disconnect_finish(vs);
return;
}
while (vs->read_handler && vs->input.offset >= vs->read_handler_expect) {
size_t len = vs->read_handler_expect;
int ret;
ret = vs->read_handler(vs, vs->input.buffer, len);
if (vs->csock == -1) {
vnc_disconnect_finish(vs);
return;
}
if (!ret) {
buffer_advance(&vs->input, len);
} else {
vs->read_handler_expect = ret;
}
}
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,355
|
long vnc_client_read_buf(VncState *vs, uint8_t *data, size_t datalen)
{
long ret;
#ifdef CONFIG_VNC_TLS
if (vs->tls.session) {
ret = vnc_client_read_tls(&vs->tls.session, data, datalen);
} else {
#ifdef CONFIG_VNC_WS
if (vs->ws_tls.session) {
ret = vnc_client_read_tls(&vs->ws_tls.session, data, datalen);
} else
#endif /* CONFIG_VNC_WS */
#endif /* CONFIG_VNC_TLS */
{
ret = qemu_recv(vs->csock, data, datalen, 0);
}
#ifdef CONFIG_VNC_TLS
}
#endif /* CONFIG_VNC_TLS */
VNC_DEBUG("Read wire %p %zd -> %ld\n", data, datalen, ret);
return vnc_client_io_error(vs, ret, socket_error());
}
|
DoS
| 0
|
long vnc_client_read_buf(VncState *vs, uint8_t *data, size_t datalen)
{
long ret;
#ifdef CONFIG_VNC_TLS
if (vs->tls.session) {
ret = vnc_client_read_tls(&vs->tls.session, data, datalen);
} else {
#ifdef CONFIG_VNC_WS
if (vs->ws_tls.session) {
ret = vnc_client_read_tls(&vs->ws_tls.session, data, datalen);
} else
#endif /* CONFIG_VNC_WS */
#endif /* CONFIG_VNC_TLS */
{
ret = qemu_recv(vs->csock, data, datalen, 0);
}
#ifdef CONFIG_VNC_TLS
}
#endif /* CONFIG_VNC_TLS */
VNC_DEBUG("Read wire %p %zd -> %ld\n", data, datalen, ret);
return vnc_client_io_error(vs, ret, socket_error());
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,356
|
static long vnc_client_read_tls(gnutls_session_t *session, uint8_t *data,
size_t datalen)
{
long ret = gnutls_read(*session, data, datalen);
if (ret < 0) {
if (ret == GNUTLS_E_AGAIN) {
errno = EAGAIN;
} else {
errno = EIO;
}
ret = -1;
}
return ret;
}
|
DoS
| 0
|
static long vnc_client_read_tls(gnutls_session_t *session, uint8_t *data,
size_t datalen)
{
long ret = gnutls_read(*session, data, datalen);
if (ret < 0) {
if (ret == GNUTLS_E_AGAIN) {
errno = EAGAIN;
} else {
errno = EIO;
}
ret = -1;
}
return ret;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,357
|
void vnc_client_write(void *opaque)
{
VncState *vs = opaque;
vnc_lock_output(vs);
if (vs->output.offset
#ifdef CONFIG_VNC_WS
|| vs->ws_output.offset
#endif
) {
vnc_client_write_locked(opaque);
} else if (vs->csock != -1) {
qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs);
}
vnc_unlock_output(vs);
}
|
DoS
| 0
|
void vnc_client_write(void *opaque)
{
VncState *vs = opaque;
vnc_lock_output(vs);
if (vs->output.offset
#ifdef CONFIG_VNC_WS
|| vs->ws_output.offset
#endif
) {
vnc_client_write_locked(opaque);
} else if (vs->csock != -1) {
qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs);
}
vnc_unlock_output(vs);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,358
|
static void vnc_client_write_locked(void *opaque)
{
VncState *vs = opaque;
#ifdef CONFIG_VNC_SASL
if (vs->sasl.conn &&
vs->sasl.runSSF &&
!vs->sasl.waitWriteSSF) {
vnc_client_write_sasl(vs);
} else
#endif /* CONFIG_VNC_SASL */
{
#ifdef CONFIG_VNC_WS
if (vs->encode_ws) {
vnc_client_write_ws(vs);
} else
#endif /* CONFIG_VNC_WS */
{
vnc_client_write_plain(vs);
}
}
}
|
DoS
| 0
|
static void vnc_client_write_locked(void *opaque)
{
VncState *vs = opaque;
#ifdef CONFIG_VNC_SASL
if (vs->sasl.conn &&
vs->sasl.runSSF &&
!vs->sasl.waitWriteSSF) {
vnc_client_write_sasl(vs);
} else
#endif /* CONFIG_VNC_SASL */
{
#ifdef CONFIG_VNC_WS
if (vs->encode_ws) {
vnc_client_write_ws(vs);
} else
#endif /* CONFIG_VNC_WS */
{
vnc_client_write_plain(vs);
}
}
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,359
|
static long vnc_client_write_plain(VncState *vs)
{
long ret;
#ifdef CONFIG_VNC_SASL
VNC_DEBUG("Write Plain: Pending output %p size %zd offset %zd. Wait SSF %d\n",
vs->output.buffer, vs->output.capacity, vs->output.offset,
vs->sasl.waitWriteSSF);
if (vs->sasl.conn &&
vs->sasl.runSSF &&
vs->sasl.waitWriteSSF) {
ret = vnc_client_write_buf(vs, vs->output.buffer, vs->sasl.waitWriteSSF);
if (ret)
vs->sasl.waitWriteSSF -= ret;
} else
#endif /* CONFIG_VNC_SASL */
ret = vnc_client_write_buf(vs, vs->output.buffer, vs->output.offset);
if (!ret)
return 0;
buffer_advance(&vs->output, ret);
if (vs->output.offset == 0) {
qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs);
}
return ret;
}
|
DoS
| 0
|
static long vnc_client_write_plain(VncState *vs)
{
long ret;
#ifdef CONFIG_VNC_SASL
VNC_DEBUG("Write Plain: Pending output %p size %zd offset %zd. Wait SSF %d\n",
vs->output.buffer, vs->output.capacity, vs->output.offset,
vs->sasl.waitWriteSSF);
if (vs->sasl.conn &&
vs->sasl.runSSF &&
vs->sasl.waitWriteSSF) {
ret = vnc_client_write_buf(vs, vs->output.buffer, vs->sasl.waitWriteSSF);
if (ret)
vs->sasl.waitWriteSSF -= ret;
} else
#endif /* CONFIG_VNC_SASL */
ret = vnc_client_write_buf(vs, vs->output.buffer, vs->output.offset);
if (!ret)
return 0;
buffer_advance(&vs->output, ret);
if (vs->output.offset == 0) {
qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs);
}
return ret;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,360
|
static long vnc_client_write_tls(gnutls_session_t *session,
const uint8_t *data,
size_t datalen)
{
long ret = gnutls_write(*session, data, datalen);
if (ret < 0) {
if (ret == GNUTLS_E_AGAIN) {
errno = EAGAIN;
} else {
errno = EIO;
}
ret = -1;
}
return ret;
}
|
DoS
| 0
|
static long vnc_client_write_tls(gnutls_session_t *session,
const uint8_t *data,
size_t datalen)
{
long ret = gnutls_write(*session, data, datalen);
if (ret < 0) {
if (ret == GNUTLS_E_AGAIN) {
errno = EAGAIN;
} else {
errno = EIO;
}
ret = -1;
}
return ret;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,361
|
static void vnc_colordepth(VncState *vs)
{
if (vnc_has_feature(vs, VNC_FEATURE_WMVI)) {
/* Sending a WMVi message to notify the client*/
vnc_lock_output(vs);
vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
vnc_write_u8(vs, 0);
vnc_write_u16(vs, 1); /* number of rects */
vnc_framebuffer_update(vs, 0, 0,
pixman_image_get_width(vs->vd->server),
pixman_image_get_height(vs->vd->server),
VNC_ENCODING_WMVi);
pixel_format_message(vs);
vnc_unlock_output(vs);
vnc_flush(vs);
} else {
set_pixel_conversion(vs);
}
}
|
DoS
| 0
|
static void vnc_colordepth(VncState *vs)
{
if (vnc_has_feature(vs, VNC_FEATURE_WMVI)) {
/* Sending a WMVi message to notify the client*/
vnc_lock_output(vs);
vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
vnc_write_u8(vs, 0);
vnc_write_u16(vs, 1); /* number of rects */
vnc_framebuffer_update(vs, 0, 0,
pixman_image_get_width(vs->vd->server),
pixman_image_get_height(vs->vd->server),
VNC_ENCODING_WMVi);
pixel_format_message(vs);
vnc_unlock_output(vs);
vnc_flush(vs);
} else {
set_pixel_conversion(vs);
}
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,362
|
void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t v)
{
uint8_t r, g, b;
#if VNC_SERVER_FB_FORMAT == PIXMAN_FORMAT(32, PIXMAN_TYPE_ARGB, 0, 8, 8, 8)
r = (((v & 0x00ff0000) >> 16) << vs->client_pf.rbits) >> 8;
g = (((v & 0x0000ff00) >> 8) << vs->client_pf.gbits) >> 8;
b = (((v & 0x000000ff) >> 0) << vs->client_pf.bbits) >> 8;
#else
# error need some bits here if you change VNC_SERVER_FB_FORMAT
#endif
v = (r << vs->client_pf.rshift) |
(g << vs->client_pf.gshift) |
(b << vs->client_pf.bshift);
switch (vs->client_pf.bytes_per_pixel) {
case 1:
buf[0] = v;
break;
case 2:
if (vs->client_be) {
buf[0] = v >> 8;
buf[1] = v;
} else {
buf[1] = v >> 8;
buf[0] = v;
}
break;
default:
case 4:
if (vs->client_be) {
buf[0] = v >> 24;
buf[1] = v >> 16;
buf[2] = v >> 8;
buf[3] = v;
} else {
buf[3] = v >> 24;
buf[2] = v >> 16;
buf[1] = v >> 8;
buf[0] = v;
}
break;
}
}
|
DoS
| 0
|
void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t v)
{
uint8_t r, g, b;
#if VNC_SERVER_FB_FORMAT == PIXMAN_FORMAT(32, PIXMAN_TYPE_ARGB, 0, 8, 8, 8)
r = (((v & 0x00ff0000) >> 16) << vs->client_pf.rbits) >> 8;
g = (((v & 0x0000ff00) >> 8) << vs->client_pf.gbits) >> 8;
b = (((v & 0x000000ff) >> 0) << vs->client_pf.bbits) >> 8;
#else
# error need some bits here if you change VNC_SERVER_FB_FORMAT
#endif
v = (r << vs->client_pf.rshift) |
(g << vs->client_pf.gshift) |
(b << vs->client_pf.bshift);
switch (vs->client_pf.bytes_per_pixel) {
case 1:
buf[0] = v;
break;
case 2:
if (vs->client_be) {
buf[0] = v >> 8;
buf[1] = v;
} else {
buf[1] = v >> 8;
buf[0] = v;
}
break;
default:
case 4:
if (vs->client_be) {
buf[0] = v >> 24;
buf[1] = v >> 16;
buf[2] = v >> 8;
buf[3] = v;
} else {
buf[3] = v >> 24;
buf[2] = v >> 16;
buf[1] = v >> 8;
buf[0] = v;
}
break;
}
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,363
|
static void vnc_copy(VncState *vs, int src_x, int src_y, int dst_x, int dst_y, int w, int h)
{
/* send bitblit op to the vnc client */
vnc_lock_output(vs);
vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
vnc_write_u8(vs, 0);
vnc_write_u16(vs, 1); /* number of rects */
vnc_framebuffer_update(vs, dst_x, dst_y, w, h, VNC_ENCODING_COPYRECT);
vnc_write_u16(vs, src_x);
vnc_write_u16(vs, src_y);
vnc_unlock_output(vs);
vnc_flush(vs);
}
|
DoS
| 0
|
static void vnc_copy(VncState *vs, int src_x, int src_y, int dst_x, int dst_y, int w, int h)
{
/* send bitblit op to the vnc client */
vnc_lock_output(vs);
vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
vnc_write_u8(vs, 0);
vnc_write_u16(vs, 1); /* number of rects */
vnc_framebuffer_update(vs, dst_x, dst_y, w, h, VNC_ENCODING_COPYRECT);
vnc_write_u16(vs, src_x);
vnc_write_u16(vs, src_y);
vnc_unlock_output(vs);
vnc_flush(vs);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,364
|
static int vnc_cursor_define(VncState *vs)
{
QEMUCursor *c = vs->vd->cursor;
int isize;
if (vnc_has_feature(vs, VNC_FEATURE_RICH_CURSOR)) {
vnc_lock_output(vs);
vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
vnc_write_u8(vs, 0); /* padding */
vnc_write_u16(vs, 1); /* # of rects */
vnc_framebuffer_update(vs, c->hot_x, c->hot_y, c->width, c->height,
VNC_ENCODING_RICH_CURSOR);
isize = c->width * c->height * vs->client_pf.bytes_per_pixel;
vnc_write_pixels_generic(vs, c->data, isize);
vnc_write(vs, vs->vd->cursor_mask, vs->vd->cursor_msize);
vnc_unlock_output(vs);
return 0;
}
return -1;
}
|
DoS
| 0
|
static int vnc_cursor_define(VncState *vs)
{
QEMUCursor *c = vs->vd->cursor;
int isize;
if (vnc_has_feature(vs, VNC_FEATURE_RICH_CURSOR)) {
vnc_lock_output(vs);
vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
vnc_write_u8(vs, 0); /* padding */
vnc_write_u16(vs, 1); /* # of rects */
vnc_framebuffer_update(vs, c->hot_x, c->hot_y, c->width, c->height,
VNC_ENCODING_RICH_CURSOR);
isize = c->width * c->height * vs->client_pf.bytes_per_pixel;
vnc_write_pixels_generic(vs, c->data, isize);
vnc_write(vs, vs->vd->cursor_mask, vs->vd->cursor_msize);
vnc_unlock_output(vs);
return 0;
}
return -1;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,365
|
static void vnc_desktop_resize(VncState *vs)
{
if (vs->csock == -1 || !vnc_has_feature(vs, VNC_FEATURE_RESIZE)) {
return;
}
if (vs->client_width == pixman_image_get_width(vs->vd->server) &&
vs->client_height == pixman_image_get_height(vs->vd->server)) {
return;
}
vs->client_width = pixman_image_get_width(vs->vd->server);
vs->client_height = pixman_image_get_height(vs->vd->server);
vnc_lock_output(vs);
vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
vnc_write_u8(vs, 0);
vnc_write_u16(vs, 1); /* number of rects */
vnc_framebuffer_update(vs, 0, 0, vs->client_width, vs->client_height,
VNC_ENCODING_DESKTOPRESIZE);
vnc_unlock_output(vs);
vnc_flush(vs);
}
|
DoS
| 0
|
static void vnc_desktop_resize(VncState *vs)
{
if (vs->csock == -1 || !vnc_has_feature(vs, VNC_FEATURE_RESIZE)) {
return;
}
if (vs->client_width == pixman_image_get_width(vs->vd->server) &&
vs->client_height == pixman_image_get_height(vs->vd->server)) {
return;
}
vs->client_width = pixman_image_get_width(vs->vd->server);
vs->client_height = pixman_image_get_height(vs->vd->server);
vnc_lock_output(vs);
vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
vnc_write_u8(vs, 0);
vnc_write_u16(vs, 1); /* number of rects */
vnc_framebuffer_update(vs, 0, 0, vs->client_width, vs->client_height,
VNC_ENCODING_DESKTOPRESIZE);
vnc_unlock_output(vs);
vnc_flush(vs);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,366
|
void vnc_disconnect_finish(VncState *vs)
{
int i;
vnc_jobs_join(vs); /* Wait encoding jobs */
vnc_lock_output(vs);
vnc_qmp_event(vs, QAPI_EVENT_VNC_DISCONNECTED);
buffer_free(&vs->input);
buffer_free(&vs->output);
#ifdef CONFIG_VNC_WS
buffer_free(&vs->ws_input);
buffer_free(&vs->ws_output);
#endif /* CONFIG_VNC_WS */
qapi_free_VncClientInfo(vs->info);
vnc_zlib_clear(vs);
vnc_tight_clear(vs);
vnc_zrle_clear(vs);
#ifdef CONFIG_VNC_TLS
vnc_tls_client_cleanup(vs);
#endif /* CONFIG_VNC_TLS */
#ifdef CONFIG_VNC_SASL
vnc_sasl_client_cleanup(vs);
#endif /* CONFIG_VNC_SASL */
audio_del(vs);
vnc_release_modifiers(vs);
if (vs->initialized) {
QTAILQ_REMOVE(&vs->vd->clients, vs, next);
qemu_remove_mouse_mode_change_notifier(&vs->mouse_mode_notifier);
}
if (vs->vd->lock_key_sync)
qemu_remove_led_event_handler(vs->led);
vnc_unlock_output(vs);
qemu_mutex_destroy(&vs->output_mutex);
if (vs->bh != NULL) {
qemu_bh_delete(vs->bh);
}
buffer_free(&vs->jobs_buffer);
for (i = 0; i < VNC_STAT_ROWS; ++i) {
g_free(vs->lossy_rect[i]);
}
g_free(vs->lossy_rect);
g_free(vs);
}
|
DoS
| 0
|
void vnc_disconnect_finish(VncState *vs)
{
int i;
vnc_jobs_join(vs); /* Wait encoding jobs */
vnc_lock_output(vs);
vnc_qmp_event(vs, QAPI_EVENT_VNC_DISCONNECTED);
buffer_free(&vs->input);
buffer_free(&vs->output);
#ifdef CONFIG_VNC_WS
buffer_free(&vs->ws_input);
buffer_free(&vs->ws_output);
#endif /* CONFIG_VNC_WS */
qapi_free_VncClientInfo(vs->info);
vnc_zlib_clear(vs);
vnc_tight_clear(vs);
vnc_zrle_clear(vs);
#ifdef CONFIG_VNC_TLS
vnc_tls_client_cleanup(vs);
#endif /* CONFIG_VNC_TLS */
#ifdef CONFIG_VNC_SASL
vnc_sasl_client_cleanup(vs);
#endif /* CONFIG_VNC_SASL */
audio_del(vs);
vnc_release_modifiers(vs);
if (vs->initialized) {
QTAILQ_REMOVE(&vs->vd->clients, vs, next);
qemu_remove_mouse_mode_change_notifier(&vs->mouse_mode_notifier);
}
if (vs->vd->lock_key_sync)
qemu_remove_led_event_handler(vs->led);
vnc_unlock_output(vs);
qemu_mutex_destroy(&vs->output_mutex);
if (vs->bh != NULL) {
qemu_bh_delete(vs->bh);
}
buffer_free(&vs->jobs_buffer);
for (i = 0; i < VNC_STAT_ROWS; ++i) {
g_free(vs->lossy_rect[i]);
}
g_free(vs->lossy_rect);
g_free(vs);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,367
|
static void vnc_disconnect_start(VncState *vs)
{
if (vs->csock == -1)
return;
vnc_set_share_mode(vs, VNC_SHARE_MODE_DISCONNECTED);
qemu_set_fd_handler2(vs->csock, NULL, NULL, NULL, NULL);
closesocket(vs->csock);
vs->csock = -1;
}
|
DoS
| 0
|
static void vnc_disconnect_start(VncState *vs)
{
if (vs->csock == -1)
return;
vnc_set_share_mode(vs, VNC_SHARE_MODE_DISCONNECTED);
qemu_set_fd_handler2(vs->csock, NULL, NULL, NULL, NULL);
closesocket(vs->csock);
vs->csock = -1;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,368
|
void vnc_display_add_client(DisplayState *ds, int csock, bool skipauth)
{
VncDisplay *vs = vnc_display;
vnc_connect(vs, csock, skipauth, false);
}
|
DoS
| 0
|
void vnc_display_add_client(DisplayState *ds, int csock, bool skipauth)
{
VncDisplay *vs = vnc_display;
vnc_connect(vs, csock, skipauth, false);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,369
|
void vnc_display_open(DisplayState *ds, const char *display, Error **errp)
{
VncDisplay *vs = vnc_display;
const char *options;
int password = 0;
int reverse = 0;
#ifdef CONFIG_VNC_TLS
int tls = 0, x509 = 0;
#endif
#ifdef CONFIG_VNC_SASL
int sasl = 0;
int saslErr;
#endif
#if defined(CONFIG_VNC_TLS) || defined(CONFIG_VNC_SASL)
int acl = 0;
#endif
int lock_key_sync = 1;
if (!vnc_display) {
error_setg(errp, "VNC display not active");
return;
}
vnc_display_close(ds);
if (strcmp(display, "none") == 0)
return;
vs->display = g_strdup(display);
vs->share_policy = VNC_SHARE_POLICY_ALLOW_EXCLUSIVE;
options = display;
while ((options = strchr(options, ','))) {
options++;
if (strncmp(options, "password", 8) == 0) {
if (fips_get_state()) {
error_setg(errp,
"VNC password auth disabled due to FIPS mode, "
"consider using the VeNCrypt or SASL authentication "
"methods as an alternative");
goto fail;
}
password = 1; /* Require password auth */
} else if (strncmp(options, "reverse", 7) == 0) {
reverse = 1;
} else if (strncmp(options, "no-lock-key-sync", 16) == 0) {
lock_key_sync = 0;
#ifdef CONFIG_VNC_SASL
} else if (strncmp(options, "sasl", 4) == 0) {
sasl = 1; /* Require SASL auth */
#endif
#ifdef CONFIG_VNC_WS
} else if (strncmp(options, "websocket", 9) == 0) {
char *start, *end;
vs->websocket = 1;
/* Check for 'websocket=<port>' */
start = strchr(options, '=');
end = strchr(options, ',');
if (start && (!end || (start < end))) {
int len = end ? end-(start+1) : strlen(start+1);
if (len < 6) {
/* extract the host specification from display */
char *host = NULL, *port = NULL, *host_end = NULL;
port = g_strndup(start + 1, len);
/* ipv6 hosts have colons */
end = strchr(display, ',');
host_end = g_strrstr_len(display, end - display, ":");
if (host_end) {
host = g_strndup(display, host_end - display + 1);
} else {
host = g_strndup(":", 1);
}
vs->ws_display = g_strconcat(host, port, NULL);
g_free(host);
g_free(port);
}
}
#endif /* CONFIG_VNC_WS */
#ifdef CONFIG_VNC_TLS
} else if (strncmp(options, "tls", 3) == 0) {
tls = 1; /* Require TLS */
} else if (strncmp(options, "x509", 4) == 0) {
char *start, *end;
x509 = 1; /* Require x509 certificates */
if (strncmp(options, "x509verify", 10) == 0)
vs->tls.x509verify = 1; /* ...and verify client certs */
/* Now check for 'x509=/some/path' postfix
* and use that to setup x509 certificate/key paths */
start = strchr(options, '=');
end = strchr(options, ',');
if (start && (!end || (start < end))) {
int len = end ? end-(start+1) : strlen(start+1);
char *path = g_strndup(start + 1, len);
VNC_DEBUG("Trying certificate path '%s'\n", path);
if (vnc_tls_set_x509_creds_dir(vs, path) < 0) {
error_setg(errp, "Failed to find x509 certificates/keys in %s", path);
g_free(path);
goto fail;
}
g_free(path);
} else {
error_setg(errp, "No certificate path provided");
goto fail;
}
#endif
#if defined(CONFIG_VNC_TLS) || defined(CONFIG_VNC_SASL)
} else if (strncmp(options, "acl", 3) == 0) {
acl = 1;
#endif
} else if (strncmp(options, "lossy", 5) == 0) {
#ifdef CONFIG_VNC_JPEG
vs->lossy = true;
#endif
} else if (strncmp(options, "non-adaptive", 12) == 0) {
vs->non_adaptive = true;
} else if (strncmp(options, "share=", 6) == 0) {
if (strncmp(options+6, "ignore", 6) == 0) {
vs->share_policy = VNC_SHARE_POLICY_IGNORE;
} else if (strncmp(options+6, "allow-exclusive", 15) == 0) {
vs->share_policy = VNC_SHARE_POLICY_ALLOW_EXCLUSIVE;
} else if (strncmp(options+6, "force-shared", 12) == 0) {
vs->share_policy = VNC_SHARE_POLICY_FORCE_SHARED;
} else {
error_setg(errp, "unknown vnc share= option");
goto fail;
}
}
}
/* adaptive updates are only used with tight encoding and
* if lossy updates are enabled so we can disable all the
* calculations otherwise */
if (!vs->lossy) {
vs->non_adaptive = true;
}
#ifdef CONFIG_VNC_TLS
if (acl && x509 && vs->tls.x509verify) {
if (!(vs->tls.acl = qemu_acl_init("vnc.x509dname"))) {
fprintf(stderr, "Failed to create x509 dname ACL\n");
exit(1);
}
}
#endif
#ifdef CONFIG_VNC_SASL
if (acl && sasl) {
if (!(vs->sasl.acl = qemu_acl_init("vnc.username"))) {
fprintf(stderr, "Failed to create username ACL\n");
exit(1);
}
}
#endif
/*
* Combinations we support here:
*
* - no-auth (clear text, no auth)
* - password (clear text, weak auth)
* - sasl (encrypt, good auth *IF* using Kerberos via GSSAPI)
* - tls (encrypt, weak anonymous creds, no auth)
* - tls + password (encrypt, weak anonymous creds, weak auth)
* - tls + sasl (encrypt, weak anonymous creds, good auth)
* - tls + x509 (encrypt, good x509 creds, no auth)
* - tls + x509 + password (encrypt, good x509 creds, weak auth)
* - tls + x509 + sasl (encrypt, good x509 creds, good auth)
*
* NB1. TLS is a stackable auth scheme.
* NB2. the x509 schemes have option to validate a client cert dname
*/
if (password) {
#ifdef CONFIG_VNC_TLS
if (tls) {
vs->auth = VNC_AUTH_VENCRYPT;
if (x509) {
VNC_DEBUG("Initializing VNC server with x509 password auth\n");
vs->subauth = VNC_AUTH_VENCRYPT_X509VNC;
} else {
VNC_DEBUG("Initializing VNC server with TLS password auth\n");
vs->subauth = VNC_AUTH_VENCRYPT_TLSVNC;
}
} else {
#endif /* CONFIG_VNC_TLS */
VNC_DEBUG("Initializing VNC server with password auth\n");
vs->auth = VNC_AUTH_VNC;
#ifdef CONFIG_VNC_TLS
vs->subauth = VNC_AUTH_INVALID;
}
#endif /* CONFIG_VNC_TLS */
#ifdef CONFIG_VNC_SASL
} else if (sasl) {
#ifdef CONFIG_VNC_TLS
if (tls) {
vs->auth = VNC_AUTH_VENCRYPT;
if (x509) {
VNC_DEBUG("Initializing VNC server with x509 SASL auth\n");
vs->subauth = VNC_AUTH_VENCRYPT_X509SASL;
} else {
VNC_DEBUG("Initializing VNC server with TLS SASL auth\n");
vs->subauth = VNC_AUTH_VENCRYPT_TLSSASL;
}
} else {
#endif /* CONFIG_VNC_TLS */
VNC_DEBUG("Initializing VNC server with SASL auth\n");
vs->auth = VNC_AUTH_SASL;
#ifdef CONFIG_VNC_TLS
vs->subauth = VNC_AUTH_INVALID;
}
#endif /* CONFIG_VNC_TLS */
#endif /* CONFIG_VNC_SASL */
} else {
#ifdef CONFIG_VNC_TLS
if (tls) {
vs->auth = VNC_AUTH_VENCRYPT;
if (x509) {
VNC_DEBUG("Initializing VNC server with x509 no auth\n");
vs->subauth = VNC_AUTH_VENCRYPT_X509NONE;
} else {
VNC_DEBUG("Initializing VNC server with TLS no auth\n");
vs->subauth = VNC_AUTH_VENCRYPT_TLSNONE;
}
} else {
#endif
VNC_DEBUG("Initializing VNC server with no auth\n");
vs->auth = VNC_AUTH_NONE;
#ifdef CONFIG_VNC_TLS
vs->subauth = VNC_AUTH_INVALID;
}
#endif
}
#ifdef CONFIG_VNC_SASL
if ((saslErr = sasl_server_init(NULL, "qemu")) != SASL_OK) {
error_setg(errp, "Failed to initialize SASL auth: %s",
sasl_errstring(saslErr, NULL, NULL));
goto fail;
}
#endif
vs->lock_key_sync = lock_key_sync;
if (reverse) {
/* connect to viewer */
int csock;
vs->lsock = -1;
#ifdef CONFIG_VNC_WS
vs->lwebsock = -1;
#endif
if (strncmp(display, "unix:", 5) == 0) {
csock = unix_connect(display+5, errp);
} else {
csock = inet_connect(display, errp);
}
if (csock < 0) {
goto fail;
}
vnc_connect(vs, csock, false, false);
} else {
/* listen for connects */
char *dpy;
dpy = g_malloc(256);
if (strncmp(display, "unix:", 5) == 0) {
pstrcpy(dpy, 256, "unix:");
vs->lsock = unix_listen(display+5, dpy+5, 256-5, errp);
} else {
vs->lsock = inet_listen(display, dpy, 256,
SOCK_STREAM, 5900, errp);
if (vs->lsock < 0) {
g_free(dpy);
goto fail;
}
#ifdef CONFIG_VNC_WS
if (vs->websocket) {
if (vs->ws_display) {
vs->lwebsock = inet_listen(vs->ws_display, NULL, 256,
SOCK_STREAM, 0, errp);
} else {
vs->lwebsock = inet_listen(vs->display, NULL, 256,
SOCK_STREAM, 5700, errp);
}
if (vs->lwebsock < 0) {
if (vs->lsock) {
close(vs->lsock);
vs->lsock = -1;
}
g_free(dpy);
goto fail;
}
}
#endif /* CONFIG_VNC_WS */
}
g_free(vs->display);
vs->display = dpy;
qemu_set_fd_handler2(vs->lsock, NULL,
vnc_listen_regular_read, NULL, vs);
#ifdef CONFIG_VNC_WS
if (vs->websocket) {
qemu_set_fd_handler2(vs->lwebsock, NULL,
vnc_listen_websocket_read, NULL, vs);
}
#endif /* CONFIG_VNC_WS */
}
return;
fail:
g_free(vs->display);
vs->display = NULL;
#ifdef CONFIG_VNC_WS
g_free(vs->ws_display);
vs->ws_display = NULL;
#endif /* CONFIG_VNC_WS */
}
|
DoS
| 0
|
void vnc_display_open(DisplayState *ds, const char *display, Error **errp)
{
VncDisplay *vs = vnc_display;
const char *options;
int password = 0;
int reverse = 0;
#ifdef CONFIG_VNC_TLS
int tls = 0, x509 = 0;
#endif
#ifdef CONFIG_VNC_SASL
int sasl = 0;
int saslErr;
#endif
#if defined(CONFIG_VNC_TLS) || defined(CONFIG_VNC_SASL)
int acl = 0;
#endif
int lock_key_sync = 1;
if (!vnc_display) {
error_setg(errp, "VNC display not active");
return;
}
vnc_display_close(ds);
if (strcmp(display, "none") == 0)
return;
vs->display = g_strdup(display);
vs->share_policy = VNC_SHARE_POLICY_ALLOW_EXCLUSIVE;
options = display;
while ((options = strchr(options, ','))) {
options++;
if (strncmp(options, "password", 8) == 0) {
if (fips_get_state()) {
error_setg(errp,
"VNC password auth disabled due to FIPS mode, "
"consider using the VeNCrypt or SASL authentication "
"methods as an alternative");
goto fail;
}
password = 1; /* Require password auth */
} else if (strncmp(options, "reverse", 7) == 0) {
reverse = 1;
} else if (strncmp(options, "no-lock-key-sync", 16) == 0) {
lock_key_sync = 0;
#ifdef CONFIG_VNC_SASL
} else if (strncmp(options, "sasl", 4) == 0) {
sasl = 1; /* Require SASL auth */
#endif
#ifdef CONFIG_VNC_WS
} else if (strncmp(options, "websocket", 9) == 0) {
char *start, *end;
vs->websocket = 1;
/* Check for 'websocket=<port>' */
start = strchr(options, '=');
end = strchr(options, ',');
if (start && (!end || (start < end))) {
int len = end ? end-(start+1) : strlen(start+1);
if (len < 6) {
/* extract the host specification from display */
char *host = NULL, *port = NULL, *host_end = NULL;
port = g_strndup(start + 1, len);
/* ipv6 hosts have colons */
end = strchr(display, ',');
host_end = g_strrstr_len(display, end - display, ":");
if (host_end) {
host = g_strndup(display, host_end - display + 1);
} else {
host = g_strndup(":", 1);
}
vs->ws_display = g_strconcat(host, port, NULL);
g_free(host);
g_free(port);
}
}
#endif /* CONFIG_VNC_WS */
#ifdef CONFIG_VNC_TLS
} else if (strncmp(options, "tls", 3) == 0) {
tls = 1; /* Require TLS */
} else if (strncmp(options, "x509", 4) == 0) {
char *start, *end;
x509 = 1; /* Require x509 certificates */
if (strncmp(options, "x509verify", 10) == 0)
vs->tls.x509verify = 1; /* ...and verify client certs */
/* Now check for 'x509=/some/path' postfix
* and use that to setup x509 certificate/key paths */
start = strchr(options, '=');
end = strchr(options, ',');
if (start && (!end || (start < end))) {
int len = end ? end-(start+1) : strlen(start+1);
char *path = g_strndup(start + 1, len);
VNC_DEBUG("Trying certificate path '%s'\n", path);
if (vnc_tls_set_x509_creds_dir(vs, path) < 0) {
error_setg(errp, "Failed to find x509 certificates/keys in %s", path);
g_free(path);
goto fail;
}
g_free(path);
} else {
error_setg(errp, "No certificate path provided");
goto fail;
}
#endif
#if defined(CONFIG_VNC_TLS) || defined(CONFIG_VNC_SASL)
} else if (strncmp(options, "acl", 3) == 0) {
acl = 1;
#endif
} else if (strncmp(options, "lossy", 5) == 0) {
#ifdef CONFIG_VNC_JPEG
vs->lossy = true;
#endif
} else if (strncmp(options, "non-adaptive", 12) == 0) {
vs->non_adaptive = true;
} else if (strncmp(options, "share=", 6) == 0) {
if (strncmp(options+6, "ignore", 6) == 0) {
vs->share_policy = VNC_SHARE_POLICY_IGNORE;
} else if (strncmp(options+6, "allow-exclusive", 15) == 0) {
vs->share_policy = VNC_SHARE_POLICY_ALLOW_EXCLUSIVE;
} else if (strncmp(options+6, "force-shared", 12) == 0) {
vs->share_policy = VNC_SHARE_POLICY_FORCE_SHARED;
} else {
error_setg(errp, "unknown vnc share= option");
goto fail;
}
}
}
/* adaptive updates are only used with tight encoding and
* if lossy updates are enabled so we can disable all the
* calculations otherwise */
if (!vs->lossy) {
vs->non_adaptive = true;
}
#ifdef CONFIG_VNC_TLS
if (acl && x509 && vs->tls.x509verify) {
if (!(vs->tls.acl = qemu_acl_init("vnc.x509dname"))) {
fprintf(stderr, "Failed to create x509 dname ACL\n");
exit(1);
}
}
#endif
#ifdef CONFIG_VNC_SASL
if (acl && sasl) {
if (!(vs->sasl.acl = qemu_acl_init("vnc.username"))) {
fprintf(stderr, "Failed to create username ACL\n");
exit(1);
}
}
#endif
/*
* Combinations we support here:
*
* - no-auth (clear text, no auth)
* - password (clear text, weak auth)
* - sasl (encrypt, good auth *IF* using Kerberos via GSSAPI)
* - tls (encrypt, weak anonymous creds, no auth)
* - tls + password (encrypt, weak anonymous creds, weak auth)
* - tls + sasl (encrypt, weak anonymous creds, good auth)
* - tls + x509 (encrypt, good x509 creds, no auth)
* - tls + x509 + password (encrypt, good x509 creds, weak auth)
* - tls + x509 + sasl (encrypt, good x509 creds, good auth)
*
* NB1. TLS is a stackable auth scheme.
* NB2. the x509 schemes have option to validate a client cert dname
*/
if (password) {
#ifdef CONFIG_VNC_TLS
if (tls) {
vs->auth = VNC_AUTH_VENCRYPT;
if (x509) {
VNC_DEBUG("Initializing VNC server with x509 password auth\n");
vs->subauth = VNC_AUTH_VENCRYPT_X509VNC;
} else {
VNC_DEBUG("Initializing VNC server with TLS password auth\n");
vs->subauth = VNC_AUTH_VENCRYPT_TLSVNC;
}
} else {
#endif /* CONFIG_VNC_TLS */
VNC_DEBUG("Initializing VNC server with password auth\n");
vs->auth = VNC_AUTH_VNC;
#ifdef CONFIG_VNC_TLS
vs->subauth = VNC_AUTH_INVALID;
}
#endif /* CONFIG_VNC_TLS */
#ifdef CONFIG_VNC_SASL
} else if (sasl) {
#ifdef CONFIG_VNC_TLS
if (tls) {
vs->auth = VNC_AUTH_VENCRYPT;
if (x509) {
VNC_DEBUG("Initializing VNC server with x509 SASL auth\n");
vs->subauth = VNC_AUTH_VENCRYPT_X509SASL;
} else {
VNC_DEBUG("Initializing VNC server with TLS SASL auth\n");
vs->subauth = VNC_AUTH_VENCRYPT_TLSSASL;
}
} else {
#endif /* CONFIG_VNC_TLS */
VNC_DEBUG("Initializing VNC server with SASL auth\n");
vs->auth = VNC_AUTH_SASL;
#ifdef CONFIG_VNC_TLS
vs->subauth = VNC_AUTH_INVALID;
}
#endif /* CONFIG_VNC_TLS */
#endif /* CONFIG_VNC_SASL */
} else {
#ifdef CONFIG_VNC_TLS
if (tls) {
vs->auth = VNC_AUTH_VENCRYPT;
if (x509) {
VNC_DEBUG("Initializing VNC server with x509 no auth\n");
vs->subauth = VNC_AUTH_VENCRYPT_X509NONE;
} else {
VNC_DEBUG("Initializing VNC server with TLS no auth\n");
vs->subauth = VNC_AUTH_VENCRYPT_TLSNONE;
}
} else {
#endif
VNC_DEBUG("Initializing VNC server with no auth\n");
vs->auth = VNC_AUTH_NONE;
#ifdef CONFIG_VNC_TLS
vs->subauth = VNC_AUTH_INVALID;
}
#endif
}
#ifdef CONFIG_VNC_SASL
if ((saslErr = sasl_server_init(NULL, "qemu")) != SASL_OK) {
error_setg(errp, "Failed to initialize SASL auth: %s",
sasl_errstring(saslErr, NULL, NULL));
goto fail;
}
#endif
vs->lock_key_sync = lock_key_sync;
if (reverse) {
/* connect to viewer */
int csock;
vs->lsock = -1;
#ifdef CONFIG_VNC_WS
vs->lwebsock = -1;
#endif
if (strncmp(display, "unix:", 5) == 0) {
csock = unix_connect(display+5, errp);
} else {
csock = inet_connect(display, errp);
}
if (csock < 0) {
goto fail;
}
vnc_connect(vs, csock, false, false);
} else {
/* listen for connects */
char *dpy;
dpy = g_malloc(256);
if (strncmp(display, "unix:", 5) == 0) {
pstrcpy(dpy, 256, "unix:");
vs->lsock = unix_listen(display+5, dpy+5, 256-5, errp);
} else {
vs->lsock = inet_listen(display, dpy, 256,
SOCK_STREAM, 5900, errp);
if (vs->lsock < 0) {
g_free(dpy);
goto fail;
}
#ifdef CONFIG_VNC_WS
if (vs->websocket) {
if (vs->ws_display) {
vs->lwebsock = inet_listen(vs->ws_display, NULL, 256,
SOCK_STREAM, 0, errp);
} else {
vs->lwebsock = inet_listen(vs->display, NULL, 256,
SOCK_STREAM, 5700, errp);
}
if (vs->lwebsock < 0) {
if (vs->lsock) {
close(vs->lsock);
vs->lsock = -1;
}
g_free(dpy);
goto fail;
}
}
#endif /* CONFIG_VNC_WS */
}
g_free(vs->display);
vs->display = dpy;
qemu_set_fd_handler2(vs->lsock, NULL,
vnc_listen_regular_read, NULL, vs);
#ifdef CONFIG_VNC_WS
if (vs->websocket) {
qemu_set_fd_handler2(vs->lwebsock, NULL,
vnc_listen_websocket_read, NULL, vs);
}
#endif /* CONFIG_VNC_WS */
}
return;
fail:
g_free(vs->display);
vs->display = NULL;
#ifdef CONFIG_VNC_WS
g_free(vs->ws_display);
vs->ws_display = NULL;
#endif /* CONFIG_VNC_WS */
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,370
|
int vnc_display_password(DisplayState *ds, const char *password)
{
VncDisplay *vs = vnc_display;
if (!vs) {
return -EINVAL;
}
if (vs->auth == VNC_AUTH_NONE) {
error_printf_unless_qmp("If you want use passwords please enable "
"password auth using '-vnc ${dpy},password'.");
return -EINVAL;
}
g_free(vs->password);
vs->password = g_strdup(password);
return 0;
}
|
DoS
| 0
|
int vnc_display_password(DisplayState *ds, const char *password)
{
VncDisplay *vs = vnc_display;
if (!vs) {
return -EINVAL;
}
if (vs->auth == VNC_AUTH_NONE) {
error_printf_unless_qmp("If you want use passwords please enable "
"password auth using '-vnc ${dpy},password'.");
return -EINVAL;
}
g_free(vs->password);
vs->password = g_strdup(password);
return 0;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,371
|
int vnc_display_pw_expire(DisplayState *ds, time_t expires)
{
VncDisplay *vs = vnc_display;
if (!vs) {
return -EINVAL;
}
vs->expires = expires;
return 0;
}
|
DoS
| 0
|
int vnc_display_pw_expire(DisplayState *ds, time_t expires)
{
VncDisplay *vs = vnc_display;
if (!vs) {
return -EINVAL;
}
vs->expires = expires;
return 0;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,372
|
static void vnc_dpy_cursor_define(DisplayChangeListener *dcl,
QEMUCursor *c)
{
VncDisplay *vd = vnc_display;
VncState *vs;
cursor_put(vd->cursor);
g_free(vd->cursor_mask);
vd->cursor = c;
cursor_get(vd->cursor);
vd->cursor_msize = cursor_get_mono_bpl(c) * c->height;
vd->cursor_mask = g_malloc0(vd->cursor_msize);
cursor_get_mono_mask(c, 0, vd->cursor_mask);
QTAILQ_FOREACH(vs, &vd->clients, next) {
vnc_cursor_define(vs);
}
}
|
DoS
| 0
|
static void vnc_dpy_cursor_define(DisplayChangeListener *dcl,
QEMUCursor *c)
{
VncDisplay *vd = vnc_display;
VncState *vs;
cursor_put(vd->cursor);
g_free(vd->cursor_mask);
vd->cursor = c;
cursor_get(vd->cursor);
vd->cursor_msize = cursor_get_mono_bpl(c) * c->height;
vd->cursor_mask = g_malloc0(vd->cursor_msize);
cursor_get_mono_mask(c, 0, vd->cursor_mask);
QTAILQ_FOREACH(vs, &vd->clients, next) {
vnc_cursor_define(vs);
}
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,373
|
static void vnc_dpy_switch(DisplayChangeListener *dcl,
DisplaySurface *surface)
{
VncDisplay *vd = container_of(dcl, VncDisplay, dcl);
VncState *vs;
int width, height;
vnc_abort_display_jobs(vd);
/* server surface */
qemu_pixman_image_unref(vd->server);
vd->ds = surface;
width = MIN(VNC_MAX_WIDTH, ROUND_UP(surface_width(vd->ds),
VNC_DIRTY_PIXELS_PER_BIT));
height = MIN(VNC_MAX_HEIGHT, surface_height(vd->ds));
vd->server = pixman_image_create_bits(VNC_SERVER_FB_FORMAT,
width, height, NULL, 0);
/* guest surface */
#if 0 /* FIXME */
if (ds_get_bytes_per_pixel(ds) != vd->guest.ds->pf.bytes_per_pixel)
console_color_init(ds);
#endif
qemu_pixman_image_unref(vd->guest.fb);
vd->guest.fb = pixman_image_ref(surface->image);
vd->guest.format = surface->format;
memset(vd->guest.dirty, 0x00, sizeof(vd->guest.dirty));
vnc_set_area_dirty(vd->guest.dirty, width, height, 0, 0,
width, height);
QTAILQ_FOREACH(vs, &vd->clients, next) {
vnc_colordepth(vs);
vnc_desktop_resize(vs);
if (vs->vd->cursor) {
vnc_cursor_define(vs);
}
memset(vs->dirty, 0x00, sizeof(vs->dirty));
vnc_set_area_dirty(vs->dirty, width, height, 0, 0,
width, height);
}
}
|
DoS
| 0
|
static void vnc_dpy_switch(DisplayChangeListener *dcl,
DisplaySurface *surface)
{
VncDisplay *vd = container_of(dcl, VncDisplay, dcl);
VncState *vs;
int width, height;
vnc_abort_display_jobs(vd);
/* server surface */
qemu_pixman_image_unref(vd->server);
vd->ds = surface;
width = MIN(VNC_MAX_WIDTH, ROUND_UP(surface_width(vd->ds),
VNC_DIRTY_PIXELS_PER_BIT));
height = MIN(VNC_MAX_HEIGHT, surface_height(vd->ds));
vd->server = pixman_image_create_bits(VNC_SERVER_FB_FORMAT,
width, height, NULL, 0);
/* guest surface */
#if 0 /* FIXME */
if (ds_get_bytes_per_pixel(ds) != vd->guest.ds->pf.bytes_per_pixel)
console_color_init(ds);
#endif
qemu_pixman_image_unref(vd->guest.fb);
vd->guest.fb = pixman_image_ref(surface->image);
vd->guest.format = surface->format;
memset(vd->guest.dirty, 0x00, sizeof(vd->guest.dirty));
vnc_set_area_dirty(vd->guest.dirty, width, height, 0, 0,
width, height);
QTAILQ_FOREACH(vs, &vd->clients, next) {
vnc_colordepth(vs);
vnc_desktop_resize(vs);
if (vs->vd->cursor) {
vnc_cursor_define(vs);
}
memset(vs->dirty, 0x00, sizeof(vs->dirty));
vnc_set_area_dirty(vs->dirty, width, height, 0, 0,
width, height);
}
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,374
|
void vnc_flush(VncState *vs)
{
vnc_lock_output(vs);
if (vs->csock != -1 && (vs->output.offset
#ifdef CONFIG_VNC_WS
|| vs->ws_output.offset
#endif
)) {
vnc_client_write_locked(vs);
}
vnc_unlock_output(vs);
}
|
DoS
| 0
|
void vnc_flush(VncState *vs)
{
vnc_lock_output(vs);
if (vs->csock != -1 && (vs->output.offset
#ifdef CONFIG_VNC_WS
|| vs->ws_output.offset
#endif
)) {
vnc_client_write_locked(vs);
}
vnc_unlock_output(vs);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,375
|
void vnc_init_state(VncState *vs)
{
vs->initialized = true;
VncDisplay *vd = vs->vd;
vs->last_x = -1;
vs->last_y = -1;
vs->as.freq = 44100;
vs->as.nchannels = 2;
vs->as.fmt = AUD_FMT_S16;
vs->as.endianness = 0;
qemu_mutex_init(&vs->output_mutex);
vs->bh = qemu_bh_new(vnc_jobs_bh, vs);
QTAILQ_INSERT_HEAD(&vd->clients, vs, next);
graphic_hw_update(NULL);
vnc_write(vs, "RFB 003.008\n", 12);
vnc_flush(vs);
vnc_read_when(vs, protocol_version, 12);
reset_keys(vs);
if (vs->vd->lock_key_sync)
vs->led = qemu_add_led_event_handler(kbd_leds, vs);
vs->mouse_mode_notifier.notify = check_pointer_type_change;
qemu_add_mouse_mode_change_notifier(&vs->mouse_mode_notifier);
/* vs might be free()ed here */
}
|
DoS
| 0
|
void vnc_init_state(VncState *vs)
{
vs->initialized = true;
VncDisplay *vd = vs->vd;
vs->last_x = -1;
vs->last_y = -1;
vs->as.freq = 44100;
vs->as.nchannels = 2;
vs->as.fmt = AUD_FMT_S16;
vs->as.endianness = 0;
qemu_mutex_init(&vs->output_mutex);
vs->bh = qemu_bh_new(vnc_jobs_bh, vs);
QTAILQ_INSERT_HEAD(&vd->clients, vs, next);
graphic_hw_update(NULL);
vnc_write(vs, "RFB 003.008\n", 12);
vnc_flush(vs);
vnc_read_when(vs, protocol_version, 12);
reset_keys(vs);
if (vs->vd->lock_key_sync)
vs->led = qemu_add_led_event_handler(kbd_leds, vs);
vs->mouse_mode_notifier.notify = check_pointer_type_change;
qemu_add_mouse_mode_change_notifier(&vs->mouse_mode_notifier);
/* vs might be free()ed here */
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,376
|
static void vnc_jobs_bh(void *opaque)
{
VncState *vs = opaque;
vnc_jobs_consume_buffer(vs);
}
|
DoS
| 0
|
static void vnc_jobs_bh(void *opaque)
{
VncState *vs = opaque;
vnc_jobs_consume_buffer(vs);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,377
|
static void vnc_led_state_change(VncState *vs)
{
int ledstate = 0;
if (!vnc_has_feature(vs, VNC_FEATURE_LED_STATE)) {
return;
}
ledstate = current_led_state(vs);
vnc_lock_output(vs);
vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
vnc_write_u8(vs, 0);
vnc_write_u16(vs, 1);
vnc_framebuffer_update(vs, 0, 0, 1, 1, VNC_ENCODING_LED_STATE);
vnc_write_u8(vs, ledstate);
vnc_unlock_output(vs);
vnc_flush(vs);
}
|
DoS
| 0
|
static void vnc_led_state_change(VncState *vs)
{
int ledstate = 0;
if (!vnc_has_feature(vs, VNC_FEATURE_LED_STATE)) {
return;
}
ledstate = current_led_state(vs);
vnc_lock_output(vs);
vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
vnc_write_u8(vs, 0);
vnc_write_u16(vs, 1);
vnc_framebuffer_update(vs, 0, 0, 1, 1, VNC_ENCODING_LED_STATE);
vnc_write_u8(vs, ledstate);
vnc_unlock_output(vs);
vnc_flush(vs);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,378
|
static void vnc_listen_read(void *opaque, bool websocket)
{
VncDisplay *vs = opaque;
struct sockaddr_in addr;
socklen_t addrlen = sizeof(addr);
int csock;
/* Catch-up */
graphic_hw_update(NULL);
#ifdef CONFIG_VNC_WS
if (websocket) {
csock = qemu_accept(vs->lwebsock, (struct sockaddr *)&addr, &addrlen);
} else
#endif /* CONFIG_VNC_WS */
{
csock = qemu_accept(vs->lsock, (struct sockaddr *)&addr, &addrlen);
}
if (csock != -1) {
socket_set_nodelay(csock);
vnc_connect(vs, csock, false, websocket);
}
}
|
DoS
| 0
|
static void vnc_listen_read(void *opaque, bool websocket)
{
VncDisplay *vs = opaque;
struct sockaddr_in addr;
socklen_t addrlen = sizeof(addr);
int csock;
/* Catch-up */
graphic_hw_update(NULL);
#ifdef CONFIG_VNC_WS
if (websocket) {
csock = qemu_accept(vs->lwebsock, (struct sockaddr *)&addr, &addrlen);
} else
#endif /* CONFIG_VNC_WS */
{
csock = qemu_accept(vs->lsock, (struct sockaddr *)&addr, &addrlen);
}
if (csock != -1) {
socket_set_nodelay(csock);
vnc_connect(vs, csock, false, websocket);
}
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,379
|
static void vnc_listen_regular_read(void *opaque)
{
vnc_listen_read(opaque, false);
}
|
DoS
| 0
|
static void vnc_listen_regular_read(void *opaque)
{
vnc_listen_read(opaque, false);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,380
|
static void vnc_listen_websocket_read(void *opaque)
{
vnc_listen_read(opaque, true);
}
|
DoS
| 0
|
static void vnc_listen_websocket_read(void *opaque)
{
vnc_listen_read(opaque, true);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,381
|
static void vnc_mouse_set(DisplayChangeListener *dcl,
int x, int y, int visible)
{
/* can we ask the client(s) to move the pointer ??? */
}
|
DoS
| 0
|
static void vnc_mouse_set(DisplayChangeListener *dcl,
int x, int y, int visible)
{
/* can we ask the client(s) to move the pointer ??? */
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,382
|
static void vnc_qmp_event(VncState *vs, QAPIEvent event)
{
VncServerInfo *si;
if (!vs->info) {
return;
}
g_assert(vs->info->base);
si = vnc_server_info_get();
if (!si) {
return;
}
switch (event) {
case QAPI_EVENT_VNC_CONNECTED:
qapi_event_send_vnc_connected(si, vs->info->base, &error_abort);
break;
case QAPI_EVENT_VNC_INITIALIZED:
qapi_event_send_vnc_initialized(si, vs->info, &error_abort);
break;
case QAPI_EVENT_VNC_DISCONNECTED:
qapi_event_send_vnc_disconnected(si, vs->info, &error_abort);
break;
default:
break;
}
qapi_free_VncServerInfo(si);
}
|
DoS
| 0
|
static void vnc_qmp_event(VncState *vs, QAPIEvent event)
{
VncServerInfo *si;
if (!vs->info) {
return;
}
g_assert(vs->info->base);
si = vnc_server_info_get();
if (!si) {
return;
}
switch (event) {
case QAPI_EVENT_VNC_CONNECTED:
qapi_event_send_vnc_connected(si, vs->info->base, &error_abort);
break;
case QAPI_EVENT_VNC_INITIALIZED:
qapi_event_send_vnc_initialized(si, vs->info, &error_abort);
break;
case QAPI_EVENT_VNC_DISCONNECTED:
qapi_event_send_vnc_disconnected(si, vs->info, &error_abort);
break;
default:
break;
}
qapi_free_VncServerInfo(si);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,383
|
int vnc_raw_send_framebuffer_update(VncState *vs, int x, int y, int w, int h)
{
int i;
uint8_t *row;
VncDisplay *vd = vs->vd;
row = vnc_server_fb_ptr(vd, x, y);
for (i = 0; i < h; i++) {
vs->write_pixels(vs, row, w * VNC_SERVER_FB_BYTES);
row += vnc_server_fb_stride(vd);
}
return 1;
}
|
DoS
| 0
|
int vnc_raw_send_framebuffer_update(VncState *vs, int x, int y, int w, int h)
{
int i;
uint8_t *row;
VncDisplay *vd = vs->vd;
row = vnc_server_fb_ptr(vd, x, y);
for (i = 0; i < h; i++) {
vs->write_pixels(vs, row, w * VNC_SERVER_FB_BYTES);
row += vnc_server_fb_stride(vd);
}
return 1;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,384
|
static void vnc_rect_updated(VncDisplay *vd, int x, int y, struct timeval * tv)
{
VncRectStat *rect;
rect = vnc_stat_rect(vd, x, y);
if (rect->updated) {
return ;
}
rect->times[rect->idx] = *tv;
rect->idx = (rect->idx + 1) % ARRAY_SIZE(rect->times);
rect->updated = true;
}
|
DoS
| 0
|
static void vnc_rect_updated(VncDisplay *vd, int x, int y, struct timeval * tv)
{
VncRectStat *rect;
rect = vnc_stat_rect(vd, x, y);
if (rect->updated) {
return ;
}
rect->times[rect->idx] = *tv;
rect->idx = (rect->idx + 1) % ARRAY_SIZE(rect->times);
rect->updated = true;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,385
|
static void vnc_refresh(DisplayChangeListener *dcl)
{
VncDisplay *vd = container_of(dcl, VncDisplay, dcl);
VncState *vs, *vn;
int has_dirty, rects = 0;
graphic_hw_update(NULL);
if (vnc_trylock_display(vd)) {
update_displaychangelistener(&vd->dcl, VNC_REFRESH_INTERVAL_BASE);
return;
}
has_dirty = vnc_refresh_server_surface(vd);
vnc_unlock_display(vd);
QTAILQ_FOREACH_SAFE(vs, &vd->clients, next, vn) {
rects += vnc_update_client(vs, has_dirty, false);
/* vs might be free()ed here */
}
if (QTAILQ_EMPTY(&vd->clients)) {
update_displaychangelistener(&vd->dcl, VNC_REFRESH_INTERVAL_MAX);
return;
}
if (has_dirty && rects) {
vd->dcl.update_interval /= 2;
if (vd->dcl.update_interval < VNC_REFRESH_INTERVAL_BASE) {
vd->dcl.update_interval = VNC_REFRESH_INTERVAL_BASE;
}
} else {
vd->dcl.update_interval += VNC_REFRESH_INTERVAL_INC;
if (vd->dcl.update_interval > VNC_REFRESH_INTERVAL_MAX) {
vd->dcl.update_interval = VNC_REFRESH_INTERVAL_MAX;
}
}
}
|
DoS
| 0
|
static void vnc_refresh(DisplayChangeListener *dcl)
{
VncDisplay *vd = container_of(dcl, VncDisplay, dcl);
VncState *vs, *vn;
int has_dirty, rects = 0;
graphic_hw_update(NULL);
if (vnc_trylock_display(vd)) {
update_displaychangelistener(&vd->dcl, VNC_REFRESH_INTERVAL_BASE);
return;
}
has_dirty = vnc_refresh_server_surface(vd);
vnc_unlock_display(vd);
QTAILQ_FOREACH_SAFE(vs, &vd->clients, next, vn) {
rects += vnc_update_client(vs, has_dirty, false);
/* vs might be free()ed here */
}
if (QTAILQ_EMPTY(&vd->clients)) {
update_displaychangelistener(&vd->dcl, VNC_REFRESH_INTERVAL_MAX);
return;
}
if (has_dirty && rects) {
vd->dcl.update_interval /= 2;
if (vd->dcl.update_interval < VNC_REFRESH_INTERVAL_BASE) {
vd->dcl.update_interval = VNC_REFRESH_INTERVAL_BASE;
}
} else {
vd->dcl.update_interval += VNC_REFRESH_INTERVAL_INC;
if (vd->dcl.update_interval > VNC_REFRESH_INTERVAL_MAX) {
vd->dcl.update_interval = VNC_REFRESH_INTERVAL_MAX;
}
}
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,386
|
static int vnc_refresh_server_surface(VncDisplay *vd)
{
int width = MIN(pixman_image_get_width(vd->guest.fb),
pixman_image_get_width(vd->server));
int height = MIN(pixman_image_get_height(vd->guest.fb),
pixman_image_get_height(vd->server));
int cmp_bytes, server_stride, min_stride, guest_stride, y = 0;
uint8_t *guest_row0 = NULL, *server_row0;
VncState *vs;
int has_dirty = 0;
pixman_image_t *tmpbuf = NULL;
struct timeval tv = { 0, 0 };
if (!vd->non_adaptive) {
gettimeofday(&tv, NULL);
has_dirty = vnc_update_stats(vd, &tv);
}
/*
* Walk through the guest dirty map.
* Check and copy modified bits from guest to server surface.
* Update server dirty map.
*/
server_row0 = (uint8_t *)pixman_image_get_data(vd->server);
server_stride = guest_stride = pixman_image_get_stride(vd->server);
cmp_bytes = MIN(VNC_DIRTY_PIXELS_PER_BIT * VNC_SERVER_FB_BYTES,
server_stride);
if (vd->guest.format != VNC_SERVER_FB_FORMAT) {
int width = pixman_image_get_width(vd->server);
tmpbuf = qemu_pixman_linebuf_create(VNC_SERVER_FB_FORMAT, width);
} else {
guest_row0 = (uint8_t *)pixman_image_get_data(vd->guest.fb);
guest_stride = pixman_image_get_stride(vd->guest.fb);
}
min_stride = MIN(server_stride, guest_stride);
for (;;) {
int x;
uint8_t *guest_ptr, *server_ptr;
unsigned long offset = find_next_bit((unsigned long *) &vd->guest.dirty,
height * VNC_DIRTY_BPL(&vd->guest),
y * VNC_DIRTY_BPL(&vd->guest));
if (offset == height * VNC_DIRTY_BPL(&vd->guest)) {
/* no more dirty bits */
break;
}
y = offset / VNC_DIRTY_BPL(&vd->guest);
x = offset % VNC_DIRTY_BPL(&vd->guest);
server_ptr = server_row0 + y * server_stride + x * cmp_bytes;
if (vd->guest.format != VNC_SERVER_FB_FORMAT) {
qemu_pixman_linebuf_fill(tmpbuf, vd->guest.fb, width, 0, y);
guest_ptr = (uint8_t *)pixman_image_get_data(tmpbuf);
} else {
guest_ptr = guest_row0 + y * guest_stride;
}
guest_ptr += x * cmp_bytes;
for (; x < DIV_ROUND_UP(width, VNC_DIRTY_PIXELS_PER_BIT);
x++, guest_ptr += cmp_bytes, server_ptr += cmp_bytes) {
int _cmp_bytes = cmp_bytes;
if (!test_and_clear_bit(x, vd->guest.dirty[y])) {
continue;
}
if ((x + 1) * cmp_bytes > min_stride) {
_cmp_bytes = min_stride - x * cmp_bytes;
}
if (memcmp(server_ptr, guest_ptr, _cmp_bytes) == 0) {
continue;
}
memcpy(server_ptr, guest_ptr, _cmp_bytes);
if (!vd->non_adaptive) {
vnc_rect_updated(vd, x * VNC_DIRTY_PIXELS_PER_BIT,
y, &tv);
}
QTAILQ_FOREACH(vs, &vd->clients, next) {
set_bit(x, vs->dirty[y]);
}
has_dirty++;
}
y++;
}
qemu_pixman_image_unref(tmpbuf);
return has_dirty;
}
|
DoS
| 0
|
static int vnc_refresh_server_surface(VncDisplay *vd)
{
int width = MIN(pixman_image_get_width(vd->guest.fb),
pixman_image_get_width(vd->server));
int height = MIN(pixman_image_get_height(vd->guest.fb),
pixman_image_get_height(vd->server));
int cmp_bytes, server_stride, min_stride, guest_stride, y = 0;
uint8_t *guest_row0 = NULL, *server_row0;
VncState *vs;
int has_dirty = 0;
pixman_image_t *tmpbuf = NULL;
struct timeval tv = { 0, 0 };
if (!vd->non_adaptive) {
gettimeofday(&tv, NULL);
has_dirty = vnc_update_stats(vd, &tv);
}
/*
* Walk through the guest dirty map.
* Check and copy modified bits from guest to server surface.
* Update server dirty map.
*/
server_row0 = (uint8_t *)pixman_image_get_data(vd->server);
server_stride = guest_stride = pixman_image_get_stride(vd->server);
cmp_bytes = MIN(VNC_DIRTY_PIXELS_PER_BIT * VNC_SERVER_FB_BYTES,
server_stride);
if (vd->guest.format != VNC_SERVER_FB_FORMAT) {
int width = pixman_image_get_width(vd->server);
tmpbuf = qemu_pixman_linebuf_create(VNC_SERVER_FB_FORMAT, width);
} else {
guest_row0 = (uint8_t *)pixman_image_get_data(vd->guest.fb);
guest_stride = pixman_image_get_stride(vd->guest.fb);
}
min_stride = MIN(server_stride, guest_stride);
for (;;) {
int x;
uint8_t *guest_ptr, *server_ptr;
unsigned long offset = find_next_bit((unsigned long *) &vd->guest.dirty,
height * VNC_DIRTY_BPL(&vd->guest),
y * VNC_DIRTY_BPL(&vd->guest));
if (offset == height * VNC_DIRTY_BPL(&vd->guest)) {
/* no more dirty bits */
break;
}
y = offset / VNC_DIRTY_BPL(&vd->guest);
x = offset % VNC_DIRTY_BPL(&vd->guest);
server_ptr = server_row0 + y * server_stride + x * cmp_bytes;
if (vd->guest.format != VNC_SERVER_FB_FORMAT) {
qemu_pixman_linebuf_fill(tmpbuf, vd->guest.fb, width, 0, y);
guest_ptr = (uint8_t *)pixman_image_get_data(tmpbuf);
} else {
guest_ptr = guest_row0 + y * guest_stride;
}
guest_ptr += x * cmp_bytes;
for (; x < DIV_ROUND_UP(width, VNC_DIRTY_PIXELS_PER_BIT);
x++, guest_ptr += cmp_bytes, server_ptr += cmp_bytes) {
int _cmp_bytes = cmp_bytes;
if (!test_and_clear_bit(x, vd->guest.dirty[y])) {
continue;
}
if ((x + 1) * cmp_bytes > min_stride) {
_cmp_bytes = min_stride - x * cmp_bytes;
}
if (memcmp(server_ptr, guest_ptr, _cmp_bytes) == 0) {
continue;
}
memcpy(server_ptr, guest_ptr, _cmp_bytes);
if (!vd->non_adaptive) {
vnc_rect_updated(vd, x * VNC_DIRTY_PIXELS_PER_BIT,
y, &tv);
}
QTAILQ_FOREACH(vs, &vd->clients, next) {
set_bit(x, vs->dirty[y]);
}
has_dirty++;
}
y++;
}
qemu_pixman_image_unref(tmpbuf);
return has_dirty;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,387
|
static void vnc_release_modifiers(VncState *vs)
{
static const int keycodes[] = {
/* shift, control, alt keys, both left & right */
0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8,
};
int i, keycode;
if (!qemu_console_is_graphic(NULL)) {
return;
}
for (i = 0; i < ARRAY_SIZE(keycodes); i++) {
keycode = keycodes[i];
if (!vs->modifiers_state[keycode]) {
continue;
}
qemu_input_event_send_key_number(vs->vd->dcl.con, keycode, false);
}
}
|
DoS
| 0
|
static void vnc_release_modifiers(VncState *vs)
{
static const int keycodes[] = {
/* shift, control, alt keys, both left & right */
0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8,
};
int i, keycode;
if (!qemu_console_is_graphic(NULL)) {
return;
}
for (i = 0; i < ARRAY_SIZE(keycodes); i++) {
keycode = keycodes[i];
if (!vs->modifiers_state[keycode]) {
continue;
}
qemu_input_event_send_key_number(vs->vd->dcl.con, keycode, false);
}
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,388
|
int vnc_send_framebuffer_update(VncState *vs, int x, int y, int w, int h)
{
int n = 0;
switch(vs->vnc_encoding) {
case VNC_ENCODING_ZLIB:
n = vnc_zlib_send_framebuffer_update(vs, x, y, w, h);
break;
case VNC_ENCODING_HEXTILE:
vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_HEXTILE);
n = vnc_hextile_send_framebuffer_update(vs, x, y, w, h);
break;
case VNC_ENCODING_TIGHT:
n = vnc_tight_send_framebuffer_update(vs, x, y, w, h);
break;
case VNC_ENCODING_TIGHT_PNG:
n = vnc_tight_png_send_framebuffer_update(vs, x, y, w, h);
break;
case VNC_ENCODING_ZRLE:
n = vnc_zrle_send_framebuffer_update(vs, x, y, w, h);
break;
case VNC_ENCODING_ZYWRLE:
n = vnc_zywrle_send_framebuffer_update(vs, x, y, w, h);
break;
default:
vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_RAW);
n = vnc_raw_send_framebuffer_update(vs, x, y, w, h);
break;
}
return n;
}
|
DoS
| 0
|
int vnc_send_framebuffer_update(VncState *vs, int x, int y, int w, int h)
{
int n = 0;
switch(vs->vnc_encoding) {
case VNC_ENCODING_ZLIB:
n = vnc_zlib_send_framebuffer_update(vs, x, y, w, h);
break;
case VNC_ENCODING_HEXTILE:
vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_HEXTILE);
n = vnc_hextile_send_framebuffer_update(vs, x, y, w, h);
break;
case VNC_ENCODING_TIGHT:
n = vnc_tight_send_framebuffer_update(vs, x, y, w, h);
break;
case VNC_ENCODING_TIGHT_PNG:
n = vnc_tight_png_send_framebuffer_update(vs, x, y, w, h);
break;
case VNC_ENCODING_ZRLE:
n = vnc_zrle_send_framebuffer_update(vs, x, y, w, h);
break;
case VNC_ENCODING_ZYWRLE:
n = vnc_zywrle_send_framebuffer_update(vs, x, y, w, h);
break;
default:
vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_RAW);
n = vnc_raw_send_framebuffer_update(vs, x, y, w, h);
break;
}
return n;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,389
|
void *vnc_server_fb_ptr(VncDisplay *vd, int x, int y)
{
uint8_t *ptr;
ptr = (uint8_t *)pixman_image_get_data(vd->server);
ptr += y * vnc_server_fb_stride(vd);
ptr += x * VNC_SERVER_FB_BYTES;
return ptr;
}
|
DoS
| 0
|
void *vnc_server_fb_ptr(VncDisplay *vd, int x, int y)
{
uint8_t *ptr;
ptr = (uint8_t *)pixman_image_get_data(vd->server);
ptr += y * vnc_server_fb_stride(vd);
ptr += x * VNC_SERVER_FB_BYTES;
return ptr;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,390
|
int vnc_server_fb_stride(VncDisplay *vd)
{
return pixman_image_get_stride(vd->server);
}
|
DoS
| 0
|
int vnc_server_fb_stride(VncDisplay *vd)
{
return pixman_image_get_stride(vd->server);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,391
|
static VncServerInfo *vnc_server_info_get(void)
{
VncServerInfo *info;
VncBasicInfo *bi = vnc_basic_info_get_from_server_addr(vnc_display->lsock);
if (!bi) {
return NULL;
}
info = g_malloc(sizeof(*info));
info->base = bi;
info->has_auth = true;
info->auth = g_strdup(vnc_auth_name(vnc_display));
return info;
}
|
DoS
| 0
|
static VncServerInfo *vnc_server_info_get(void)
{
VncServerInfo *info;
VncBasicInfo *bi = vnc_basic_info_get_from_server_addr(vnc_display->lsock);
if (!bi) {
return NULL;
}
info = g_malloc(sizeof(*info));
info->base = bi;
info->has_auth = true;
info->auth = g_strdup(vnc_auth_name(vnc_display));
return info;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,392
|
static void vnc_set_share_mode(VncState *vs, VncShareMode mode)
{
#ifdef _VNC_DEBUG
static const char *mn[] = {
[0] = "undefined",
[VNC_SHARE_MODE_CONNECTING] = "connecting",
[VNC_SHARE_MODE_SHARED] = "shared",
[VNC_SHARE_MODE_EXCLUSIVE] = "exclusive",
[VNC_SHARE_MODE_DISCONNECTED] = "disconnected",
};
fprintf(stderr, "%s/%d: %s -> %s\n", __func__,
vs->csock, mn[vs->share_mode], mn[mode]);
#endif
if (vs->share_mode == VNC_SHARE_MODE_EXCLUSIVE) {
vs->vd->num_exclusive--;
}
vs->share_mode = mode;
if (vs->share_mode == VNC_SHARE_MODE_EXCLUSIVE) {
vs->vd->num_exclusive++;
}
}
|
DoS
| 0
|
static void vnc_set_share_mode(VncState *vs, VncShareMode mode)
{
#ifdef _VNC_DEBUG
static const char *mn[] = {
[0] = "undefined",
[VNC_SHARE_MODE_CONNECTING] = "connecting",
[VNC_SHARE_MODE_SHARED] = "shared",
[VNC_SHARE_MODE_EXCLUSIVE] = "exclusive",
[VNC_SHARE_MODE_DISCONNECTED] = "disconnected",
};
fprintf(stderr, "%s/%d: %s -> %s\n", __func__,
vs->csock, mn[vs->share_mode], mn[mode]);
#endif
if (vs->share_mode == VNC_SHARE_MODE_EXCLUSIVE) {
vs->vd->num_exclusive--;
}
vs->share_mode = mode;
if (vs->share_mode == VNC_SHARE_MODE_EXCLUSIVE) {
vs->vd->num_exclusive++;
}
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,393
|
char *vnc_socket_local_addr(const char *format, int fd) {
struct sockaddr_storage sa;
socklen_t salen;
salen = sizeof(sa);
if (getsockname(fd, (struct sockaddr*)&sa, &salen) < 0)
return NULL;
return addr_to_string(format, &sa, salen);
}
|
DoS
| 0
|
char *vnc_socket_local_addr(const char *format, int fd) {
struct sockaddr_storage sa;
socklen_t salen;
salen = sizeof(sa);
if (getsockname(fd, (struct sockaddr*)&sa, &salen) < 0)
return NULL;
return addr_to_string(format, &sa, salen);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,394
|
char *vnc_socket_remote_addr(const char *format, int fd) {
struct sockaddr_storage sa;
socklen_t salen;
salen = sizeof(sa);
if (getpeername(fd, (struct sockaddr*)&sa, &salen) < 0)
return NULL;
return addr_to_string(format, &sa, salen);
}
|
DoS
| 0
|
char *vnc_socket_remote_addr(const char *format, int fd) {
struct sockaddr_storage sa;
socklen_t salen;
salen = sizeof(sa);
if (getpeername(fd, (struct sockaddr*)&sa, &salen) < 0)
return NULL;
return addr_to_string(format, &sa, salen);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,395
|
static int vnc_update_client(VncState *vs, int has_dirty, bool sync)
{
vs->has_dirty += has_dirty;
if (vs->need_update && vs->csock != -1) {
VncDisplay *vd = vs->vd;
VncJob *job;
int y;
int height, width;
int n = 0;
if (vs->output.offset && !vs->audio_cap && !vs->force_update)
/* kernel send buffers are full -> drop frames to throttle */
return 0;
if (!vs->has_dirty && !vs->audio_cap && !vs->force_update)
return 0;
/*
* Send screen updates to the vnc client using the server
* surface and server dirty map. guest surface updates
* happening in parallel don't disturb us, the next pass will
* send them to the client.
*/
job = vnc_job_new(vs);
height = pixman_image_get_height(vd->server);
width = pixman_image_get_width(vd->server);
y = 0;
for (;;) {
int x, h;
unsigned long x2;
unsigned long offset = find_next_bit((unsigned long *) &vs->dirty,
height * VNC_DIRTY_BPL(vs),
y * VNC_DIRTY_BPL(vs));
if (offset == height * VNC_DIRTY_BPL(vs)) {
/* no more dirty bits */
break;
}
y = offset / VNC_DIRTY_BPL(vs);
x = offset % VNC_DIRTY_BPL(vs);
x2 = find_next_zero_bit((unsigned long *) &vs->dirty[y],
VNC_DIRTY_BPL(vs), x);
bitmap_clear(vs->dirty[y], x, x2 - x);
h = find_and_clear_dirty_height(vs, y, x, x2, height);
x2 = MIN(x2, width / VNC_DIRTY_PIXELS_PER_BIT);
if (x2 > x) {
n += vnc_job_add_rect(job, x * VNC_DIRTY_PIXELS_PER_BIT, y,
(x2 - x) * VNC_DIRTY_PIXELS_PER_BIT, h);
}
}
vnc_job_push(job);
if (sync) {
vnc_jobs_join(vs);
}
vs->force_update = 0;
vs->has_dirty = 0;
return n;
}
if (vs->csock == -1) {
vnc_disconnect_finish(vs);
} else if (sync) {
vnc_jobs_join(vs);
}
return 0;
}
|
DoS
| 0
|
static int vnc_update_client(VncState *vs, int has_dirty, bool sync)
{
vs->has_dirty += has_dirty;
if (vs->need_update && vs->csock != -1) {
VncDisplay *vd = vs->vd;
VncJob *job;
int y;
int height, width;
int n = 0;
if (vs->output.offset && !vs->audio_cap && !vs->force_update)
/* kernel send buffers are full -> drop frames to throttle */
return 0;
if (!vs->has_dirty && !vs->audio_cap && !vs->force_update)
return 0;
/*
* Send screen updates to the vnc client using the server
* surface and server dirty map. guest surface updates
* happening in parallel don't disturb us, the next pass will
* send them to the client.
*/
job = vnc_job_new(vs);
height = pixman_image_get_height(vd->server);
width = pixman_image_get_width(vd->server);
y = 0;
for (;;) {
int x, h;
unsigned long x2;
unsigned long offset = find_next_bit((unsigned long *) &vs->dirty,
height * VNC_DIRTY_BPL(vs),
y * VNC_DIRTY_BPL(vs));
if (offset == height * VNC_DIRTY_BPL(vs)) {
/* no more dirty bits */
break;
}
y = offset / VNC_DIRTY_BPL(vs);
x = offset % VNC_DIRTY_BPL(vs);
x2 = find_next_zero_bit((unsigned long *) &vs->dirty[y],
VNC_DIRTY_BPL(vs), x);
bitmap_clear(vs->dirty[y], x, x2 - x);
h = find_and_clear_dirty_height(vs, y, x, x2, height);
x2 = MIN(x2, width / VNC_DIRTY_PIXELS_PER_BIT);
if (x2 > x) {
n += vnc_job_add_rect(job, x * VNC_DIRTY_PIXELS_PER_BIT, y,
(x2 - x) * VNC_DIRTY_PIXELS_PER_BIT, h);
}
}
vnc_job_push(job);
if (sync) {
vnc_jobs_join(vs);
}
vs->force_update = 0;
vs->has_dirty = 0;
return n;
}
if (vs->csock == -1) {
vnc_disconnect_finish(vs);
} else if (sync) {
vnc_jobs_join(vs);
}
return 0;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,396
|
double vnc_update_freq(VncState *vs, int x, int y, int w, int h)
{
int i, j;
double total = 0;
int num = 0;
x = (x / VNC_STAT_RECT) * VNC_STAT_RECT;
y = (y / VNC_STAT_RECT) * VNC_STAT_RECT;
for (j = y; j <= y + h; j += VNC_STAT_RECT) {
for (i = x; i <= x + w; i += VNC_STAT_RECT) {
total += vnc_stat_rect(vs->vd, i, j)->freq;
num++;
}
}
if (num) {
return total / num;
} else {
return 0;
}
}
|
DoS
| 0
|
double vnc_update_freq(VncState *vs, int x, int y, int w, int h)
{
int i, j;
double total = 0;
int num = 0;
x = (x / VNC_STAT_RECT) * VNC_STAT_RECT;
y = (y / VNC_STAT_RECT) * VNC_STAT_RECT;
for (j = y; j <= y + h; j += VNC_STAT_RECT) {
for (i = x; i <= x + w; i += VNC_STAT_RECT) {
total += vnc_stat_rect(vs->vd, i, j)->freq;
num++;
}
}
if (num) {
return total / num;
} else {
return 0;
}
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,397
|
static int vnc_update_stats(VncDisplay *vd, struct timeval * tv)
{
int width = pixman_image_get_width(vd->guest.fb);
int height = pixman_image_get_height(vd->guest.fb);
int x, y;
struct timeval res;
int has_dirty = 0;
for (y = 0; y < height; y += VNC_STAT_RECT) {
for (x = 0; x < width; x += VNC_STAT_RECT) {
VncRectStat *rect = vnc_stat_rect(vd, x, y);
rect->updated = false;
}
}
qemu_timersub(tv, &VNC_REFRESH_STATS, &res);
if (timercmp(&vd->guest.last_freq_check, &res, >)) {
return has_dirty;
}
vd->guest.last_freq_check = *tv;
for (y = 0; y < height; y += VNC_STAT_RECT) {
for (x = 0; x < width; x += VNC_STAT_RECT) {
VncRectStat *rect= vnc_stat_rect(vd, x, y);
int count = ARRAY_SIZE(rect->times);
struct timeval min, max;
if (!timerisset(&rect->times[count - 1])) {
continue ;
}
max = rect->times[(rect->idx + count - 1) % count];
qemu_timersub(tv, &max, &res);
if (timercmp(&res, &VNC_REFRESH_LOSSY, >)) {
rect->freq = 0;
has_dirty += vnc_refresh_lossy_rect(vd, x, y);
memset(rect->times, 0, sizeof (rect->times));
continue ;
}
min = rect->times[rect->idx];
max = rect->times[(rect->idx + count - 1) % count];
qemu_timersub(&max, &min, &res);
rect->freq = res.tv_sec + res.tv_usec / 1000000.;
rect->freq /= count;
rect->freq = 1. / rect->freq;
}
}
return has_dirty;
}
|
DoS
| 0
|
static int vnc_update_stats(VncDisplay *vd, struct timeval * tv)
{
int width = pixman_image_get_width(vd->guest.fb);
int height = pixman_image_get_height(vd->guest.fb);
int x, y;
struct timeval res;
int has_dirty = 0;
for (y = 0; y < height; y += VNC_STAT_RECT) {
for (x = 0; x < width; x += VNC_STAT_RECT) {
VncRectStat *rect = vnc_stat_rect(vd, x, y);
rect->updated = false;
}
}
qemu_timersub(tv, &VNC_REFRESH_STATS, &res);
if (timercmp(&vd->guest.last_freq_check, &res, >)) {
return has_dirty;
}
vd->guest.last_freq_check = *tv;
for (y = 0; y < height; y += VNC_STAT_RECT) {
for (x = 0; x < width; x += VNC_STAT_RECT) {
VncRectStat *rect= vnc_stat_rect(vd, x, y);
int count = ARRAY_SIZE(rect->times);
struct timeval min, max;
if (!timerisset(&rect->times[count - 1])) {
continue ;
}
max = rect->times[(rect->idx + count - 1) % count];
qemu_timersub(tv, &max, &res);
if (timercmp(&res, &VNC_REFRESH_LOSSY, >)) {
rect->freq = 0;
has_dirty += vnc_refresh_lossy_rect(vd, x, y);
memset(rect->times, 0, sizeof (rect->times));
continue ;
}
min = rect->times[rect->idx];
max = rect->times[(rect->idx + count - 1) % count];
qemu_timersub(&max, &min, &res);
rect->freq = res.tv_sec + res.tv_usec / 1000000.;
rect->freq /= count;
rect->freq = 1. / rect->freq;
}
}
return has_dirty;
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,398
|
void vnc_write(VncState *vs, const void *data, size_t len)
{
buffer_reserve(&vs->output, len);
if (vs->csock != -1 && buffer_empty(&vs->output)) {
qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, vnc_client_write, vs);
}
buffer_append(&vs->output, data, len);
}
|
DoS
| 0
|
void vnc_write(VncState *vs, const void *data, size_t len)
{
buffer_reserve(&vs->output, len);
if (vs->csock != -1 && buffer_empty(&vs->output)) {
qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, vnc_client_write, vs);
}
buffer_append(&vs->output, data, len);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
6,399
|
static void vnc_write_pixels_copy(VncState *vs,
void *pixels, int size)
{
vnc_write(vs, pixels, size);
}
|
DoS
| 0
|
static void vnc_write_pixels_copy(VncState *vs,
void *pixels, int size)
{
vnc_write(vs, pixels, size);
}
|
@@ -2026,6 +2026,16 @@ static void set_pixel_format(VncState *vs,
return;
}
+ switch (bits_per_pixel) {
+ case 8:
+ case 16:
+ case 32:
+ break;
+ default:
+ vnc_client_error(vs);
+ return;
+ }
+
vs->client_pf.rmax = red_max;
vs->client_pf.rbits = hweight_long(red_max);
vs->client_pf.rshift = red_shift;
|
CWE-264
| null | null |
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