idx int64 | func_before string | Vulnerability Classification string | vul int64 | func_after string | patch string | CWE ID string | lines_before string | lines_after string |
|---|---|---|---|---|---|---|---|---|
10,300 | int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n)
{
int i, ret = 0, a, b, c, d;
unsigned long l;
/* trim white space from the start of the line. */
while ((conv_ascii2bin(*f) == B64_WS) && (n > 0)) {
f++;
n--;
}
/*
* strip off stuff at the end of the line ascii2bin values B64_WS,
* B64_EOLN, B64_EOLN and B64_EOF
*/
while ((n > 3) && (B64_NOT_BASE64(conv_ascii2bin(f[n - 1]))))
n--;
if (n % 4 != 0)
return (-1);
for (i = 0; i < n; i += 4) {
a = conv_ascii2bin(*(f++));
b = conv_ascii2bin(*(f++));
c = conv_ascii2bin(*(f++));
d = conv_ascii2bin(*(f++));
if ((a & 0x80) || (b & 0x80) || (c & 0x80) || (d & 0x80))
return (-1);
l = ((((unsigned long)a) << 18L) |
(((unsigned long)b) << 12L) |
(((unsigned long)c) << 6L) | (((unsigned long)d)));
*(t++) = (unsigned char)(l >> 16L) & 0xff;
*(t++) = (unsigned char)(l >> 8L) & 0xff;
*(t++) = (unsigned char)(l) & 0xff;
ret += 3;
}
return (ret);
}
| DoS Overflow Mem. Corr. | 0 | int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n)
{
int i, ret = 0, a, b, c, d;
unsigned long l;
/* trim white space from the start of the line. */
while ((conv_ascii2bin(*f) == B64_WS) && (n > 0)) {
f++;
n--;
}
/*
* strip off stuff at the end of the line ascii2bin values B64_WS,
* B64_EOLN, B64_EOLN and B64_EOF
*/
while ((n > 3) && (B64_NOT_BASE64(conv_ascii2bin(f[n - 1]))))
n--;
if (n % 4 != 0)
return (-1);
for (i = 0; i < n; i += 4) {
a = conv_ascii2bin(*(f++));
b = conv_ascii2bin(*(f++));
c = conv_ascii2bin(*(f++));
d = conv_ascii2bin(*(f++));
if ((a & 0x80) || (b & 0x80) || (c & 0x80) || (d & 0x80))
return (-1);
l = ((((unsigned long)a) << 18L) |
(((unsigned long)b) << 12L) |
(((unsigned long)c) << 6L) | (((unsigned long)d)));
*(t++) = (unsigned char)(l >> 16L) & 0xff;
*(t++) = (unsigned char)(l >> 8L) & 0xff;
*(t++) = (unsigned char)(l) & 0xff;
ret += 3;
}
return (ret);
}
| @@ -157,7 +157,7 @@ void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
if (inl <= 0)
return;
OPENSSL_assert(ctx->length <= (int)sizeof(ctx->enc_data));
- if ((ctx->num + inl) < ctx->length) {
+ if (ctx->length - ctx->num > inl) {
memcpy(&(ctx->enc_data[ctx->num]), in, inl);
ctx->num += inl;
return; | CWE-189 | null | null |
10,301 | int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl)
{
int i;
*outl = 0;
if (ctx->num != 0) {
i = EVP_DecodeBlock(out, ctx->enc_data, ctx->num);
if (i < 0)
return (-1);
ctx->num = 0;
*outl = i;
return (1);
} else
return (1);
}
| DoS Overflow Mem. Corr. | 0 | int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl)
{
int i;
*outl = 0;
if (ctx->num != 0) {
i = EVP_DecodeBlock(out, ctx->enc_data, ctx->num);
if (i < 0)
return (-1);
ctx->num = 0;
*outl = i;
return (1);
} else
return (1);
}
| @@ -157,7 +157,7 @@ void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
if (inl <= 0)
return;
OPENSSL_assert(ctx->length <= (int)sizeof(ctx->enc_data));
- if ((ctx->num + inl) < ctx->length) {
+ if (ctx->length - ctx->num > inl) {
memcpy(&(ctx->enc_data[ctx->num]), in, inl);
ctx->num += inl;
return; | CWE-189 | null | null |
10,302 | void EVP_DecodeInit(EVP_ENCODE_CTX *ctx)
{
/* Only ctx->num is used during decoding. */
ctx->num = 0;
ctx->length = 0;
ctx->line_num = 0;
ctx->expect_nl = 0;
}
| DoS Overflow Mem. Corr. | 0 | void EVP_DecodeInit(EVP_ENCODE_CTX *ctx)
{
/* Only ctx->num is used during decoding. */
ctx->num = 0;
ctx->length = 0;
ctx->line_num = 0;
ctx->expect_nl = 0;
}
| @@ -157,7 +157,7 @@ void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
if (inl <= 0)
return;
OPENSSL_assert(ctx->length <= (int)sizeof(ctx->enc_data));
- if ((ctx->num + inl) < ctx->length) {
+ if (ctx->length - ctx->num > inl) {
memcpy(&(ctx->enc_data[ctx->num]), in, inl);
ctx->num += inl;
return; | CWE-189 | null | null |
10,303 | int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
const unsigned char *in, int inl)
{
int seof = 0, eof = 0, rv = -1, ret = 0, i, v, tmp, n, decoded_len;
unsigned char *d;
n = ctx->num;
d = ctx->enc_data;
if (n > 0 && d[n - 1] == '=') {
eof++;
if (n > 1 && d[n - 2] == '=')
eof++;
}
/* Legacy behaviour: an empty input chunk signals end of input. */
if (inl == 0) {
rv = 0;
goto end;
}
for (i = 0; i < inl; i++) {
tmp = *(in++);
v = conv_ascii2bin(tmp);
if (v == B64_ERROR) {
rv = -1;
goto end;
}
if (tmp == '=') {
eof++;
} else if (eof > 0 && B64_BASE64(v)) {
/* More data after padding. */
rv = -1;
goto end;
}
if (eof > 2) {
rv = -1;
goto end;
}
if (v == B64_EOF) {
seof = 1;
goto tail;
}
/* Only save valid base64 characters. */
if (B64_BASE64(v)) {
if (n >= 64) {
/*
* We increment n once per loop, and empty the buffer as soon as
* we reach 64 characters, so this can only happen if someone's
* manually messed with the ctx. Refuse to write any more data.
*/
rv = -1;
goto end;
}
OPENSSL_assert(n < (int)sizeof(ctx->enc_data));
d[n++] = tmp;
}
if (n == 64) {
decoded_len = EVP_DecodeBlock(out, d, n);
n = 0;
if (decoded_len < 0 || eof > decoded_len) {
rv = -1;
goto end;
}
ret += decoded_len - eof;
out += decoded_len - eof;
}
}
/*
* Legacy behaviour: if the current line is a full base64-block (i.e., has
* 0 mod 4 base64 characters), it is processed immediately. We keep this
* behaviour as applications may not be calling EVP_DecodeFinal properly.
*/
tail:
if (n > 0) {
if ((n & 3) == 0) {
decoded_len = EVP_DecodeBlock(out, d, n);
n = 0;
if (decoded_len < 0 || eof > decoded_len) {
rv = -1;
goto end;
}
ret += (decoded_len - eof);
} else if (seof) {
/* EOF in the middle of a base64 block. */
rv = -1;
goto end;
}
}
rv = seof || (n == 0 && eof) ? 0 : 1;
end:
/* Legacy behaviour. This should probably rather be zeroed on error. */
*outl = ret;
ctx->num = n;
return (rv);
}
| DoS Overflow Mem. Corr. | 0 | int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
const unsigned char *in, int inl)
{
int seof = 0, eof = 0, rv = -1, ret = 0, i, v, tmp, n, decoded_len;
unsigned char *d;
n = ctx->num;
d = ctx->enc_data;
if (n > 0 && d[n - 1] == '=') {
eof++;
if (n > 1 && d[n - 2] == '=')
eof++;
}
/* Legacy behaviour: an empty input chunk signals end of input. */
if (inl == 0) {
rv = 0;
goto end;
}
for (i = 0; i < inl; i++) {
tmp = *(in++);
v = conv_ascii2bin(tmp);
if (v == B64_ERROR) {
rv = -1;
goto end;
}
if (tmp == '=') {
eof++;
} else if (eof > 0 && B64_BASE64(v)) {
/* More data after padding. */
rv = -1;
goto end;
}
if (eof > 2) {
rv = -1;
goto end;
}
if (v == B64_EOF) {
seof = 1;
goto tail;
}
/* Only save valid base64 characters. */
if (B64_BASE64(v)) {
if (n >= 64) {
/*
* We increment n once per loop, and empty the buffer as soon as
* we reach 64 characters, so this can only happen if someone's
* manually messed with the ctx. Refuse to write any more data.
*/
rv = -1;
goto end;
}
OPENSSL_assert(n < (int)sizeof(ctx->enc_data));
d[n++] = tmp;
}
if (n == 64) {
decoded_len = EVP_DecodeBlock(out, d, n);
n = 0;
if (decoded_len < 0 || eof > decoded_len) {
rv = -1;
goto end;
}
ret += decoded_len - eof;
out += decoded_len - eof;
}
}
/*
* Legacy behaviour: if the current line is a full base64-block (i.e., has
* 0 mod 4 base64 characters), it is processed immediately. We keep this
* behaviour as applications may not be calling EVP_DecodeFinal properly.
*/
tail:
if (n > 0) {
if ((n & 3) == 0) {
decoded_len = EVP_DecodeBlock(out, d, n);
n = 0;
if (decoded_len < 0 || eof > decoded_len) {
rv = -1;
goto end;
}
ret += (decoded_len - eof);
} else if (seof) {
/* EOF in the middle of a base64 block. */
rv = -1;
goto end;
}
}
rv = seof || (n == 0 && eof) ? 0 : 1;
end:
/* Legacy behaviour. This should probably rather be zeroed on error. */
*outl = ret;
ctx->num = n;
return (rv);
}
| @@ -157,7 +157,7 @@ void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
if (inl <= 0)
return;
OPENSSL_assert(ctx->length <= (int)sizeof(ctx->enc_data));
- if ((ctx->num + inl) < ctx->length) {
+ if (ctx->length - ctx->num > inl) {
memcpy(&(ctx->enc_data[ctx->num]), in, inl);
ctx->num += inl;
return; | CWE-189 | null | null |
10,304 | int EVP_DecodeValid(unsigned char *buf, int len)
{
int i, num = 0, bad = 0;
if (len == 0)
return (-1);
while (conv_ascii2bin(*buf) == B64_WS) {
buf++;
len--;
if (len == 0)
return (-1);
}
for (i = len; i >= 4; i -= 4) {
if ((conv_ascii2bin(buf[0]) >= 0x40) ||
(conv_ascii2bin(buf[1]) >= 0x40) ||
(conv_ascii2bin(buf[2]) >= 0x40) ||
(conv_ascii2bin(buf[3]) >= 0x40))
return (-1);
buf += 4;
num += 1 + (buf[2] != '=') + (buf[3] != '=');
}
if ((i == 1) && (conv_ascii2bin(buf[0]) == B64_EOLN))
return (num);
if ((i == 2) && (conv_ascii2bin(buf[0]) == B64_EOLN) &&
(conv_ascii2bin(buf[0]) == B64_EOLN))
return (num);
return (1);
}
| DoS Overflow Mem. Corr. | 0 | int EVP_DecodeValid(unsigned char *buf, int len)
{
int i, num = 0, bad = 0;
if (len == 0)
return (-1);
while (conv_ascii2bin(*buf) == B64_WS) {
buf++;
len--;
if (len == 0)
return (-1);
}
for (i = len; i >= 4; i -= 4) {
if ((conv_ascii2bin(buf[0]) >= 0x40) ||
(conv_ascii2bin(buf[1]) >= 0x40) ||
(conv_ascii2bin(buf[2]) >= 0x40) ||
(conv_ascii2bin(buf[3]) >= 0x40))
return (-1);
buf += 4;
num += 1 + (buf[2] != '=') + (buf[3] != '=');
}
if ((i == 1) && (conv_ascii2bin(buf[0]) == B64_EOLN))
return (num);
if ((i == 2) && (conv_ascii2bin(buf[0]) == B64_EOLN) &&
(conv_ascii2bin(buf[0]) == B64_EOLN))
return (num);
return (1);
}
| @@ -157,7 +157,7 @@ void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
if (inl <= 0)
return;
OPENSSL_assert(ctx->length <= (int)sizeof(ctx->enc_data));
- if ((ctx->num + inl) < ctx->length) {
+ if (ctx->length - ctx->num > inl) {
memcpy(&(ctx->enc_data[ctx->num]), in, inl);
ctx->num += inl;
return; | CWE-189 | null | null |
10,305 | int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int dlen)
{
int i, ret = 0;
unsigned long l;
for (i = dlen; i > 0; i -= 3) {
if (i >= 3) {
l = (((unsigned long)f[0]) << 16L) |
(((unsigned long)f[1]) << 8L) | f[2];
*(t++) = conv_bin2ascii(l >> 18L);
*(t++) = conv_bin2ascii(l >> 12L);
*(t++) = conv_bin2ascii(l >> 6L);
*(t++) = conv_bin2ascii(l);
} else {
l = ((unsigned long)f[0]) << 16L;
if (i == 2)
l |= ((unsigned long)f[1] << 8L);
*(t++) = conv_bin2ascii(l >> 18L);
*(t++) = conv_bin2ascii(l >> 12L);
*(t++) = (i == 1) ? '=' : conv_bin2ascii(l >> 6L);
*(t++) = '=';
}
ret += 4;
f += 3;
}
*t = '\0';
return (ret);
}
| DoS Overflow Mem. Corr. | 0 | int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int dlen)
{
int i, ret = 0;
unsigned long l;
for (i = dlen; i > 0; i -= 3) {
if (i >= 3) {
l = (((unsigned long)f[0]) << 16L) |
(((unsigned long)f[1]) << 8L) | f[2];
*(t++) = conv_bin2ascii(l >> 18L);
*(t++) = conv_bin2ascii(l >> 12L);
*(t++) = conv_bin2ascii(l >> 6L);
*(t++) = conv_bin2ascii(l);
} else {
l = ((unsigned long)f[0]) << 16L;
if (i == 2)
l |= ((unsigned long)f[1] << 8L);
*(t++) = conv_bin2ascii(l >> 18L);
*(t++) = conv_bin2ascii(l >> 12L);
*(t++) = (i == 1) ? '=' : conv_bin2ascii(l >> 6L);
*(t++) = '=';
}
ret += 4;
f += 3;
}
*t = '\0';
return (ret);
}
| @@ -157,7 +157,7 @@ void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
if (inl <= 0)
return;
OPENSSL_assert(ctx->length <= (int)sizeof(ctx->enc_data));
- if ((ctx->num + inl) < ctx->length) {
+ if (ctx->length - ctx->num > inl) {
memcpy(&(ctx->enc_data[ctx->num]), in, inl);
ctx->num += inl;
return; | CWE-189 | null | null |
10,306 | void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl)
{
unsigned int ret = 0;
if (ctx->num != 0) {
ret = EVP_EncodeBlock(out, ctx->enc_data, ctx->num);
out[ret++] = '\n';
out[ret] = '\0';
ctx->num = 0;
}
*outl = ret;
}
| DoS Overflow Mem. Corr. | 0 | void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl)
{
unsigned int ret = 0;
if (ctx->num != 0) {
ret = EVP_EncodeBlock(out, ctx->enc_data, ctx->num);
out[ret++] = '\n';
out[ret] = '\0';
ctx->num = 0;
}
*outl = ret;
}
| @@ -157,7 +157,7 @@ void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
if (inl <= 0)
return;
OPENSSL_assert(ctx->length <= (int)sizeof(ctx->enc_data));
- if ((ctx->num + inl) < ctx->length) {
+ if (ctx->length - ctx->num > inl) {
memcpy(&(ctx->enc_data[ctx->num]), in, inl);
ctx->num += inl;
return; | CWE-189 | null | null |
10,307 | void EVP_EncodeInit(EVP_ENCODE_CTX *ctx)
{
ctx->length = 48;
ctx->num = 0;
ctx->line_num = 0;
}
| DoS Overflow Mem. Corr. | 0 | void EVP_EncodeInit(EVP_ENCODE_CTX *ctx)
{
ctx->length = 48;
ctx->num = 0;
ctx->line_num = 0;
}
| @@ -157,7 +157,7 @@ void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
if (inl <= 0)
return;
OPENSSL_assert(ctx->length <= (int)sizeof(ctx->enc_data));
- if ((ctx->num + inl) < ctx->length) {
+ if (ctx->length - ctx->num > inl) {
memcpy(&(ctx->enc_data[ctx->num]), in, inl);
ctx->num += inl;
return; | CWE-189 | null | null |
10,308 | static unsigned char conv_ascii2bin(unsigned char a)
{
if (a & 0x80)
return B64_ERROR;
return data_ascii2bin[a];
}
| DoS Overflow Mem. Corr. | 0 | static unsigned char conv_ascii2bin(unsigned char a)
{
if (a & 0x80)
return B64_ERROR;
return data_ascii2bin[a];
}
| @@ -157,7 +157,7 @@ void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
if (inl <= 0)
return;
OPENSSL_assert(ctx->length <= (int)sizeof(ctx->enc_data));
- if ((ctx->num + inl) < ctx->length) {
+ if (ctx->length - ctx->num > inl) {
memcpy(&(ctx->enc_data[ctx->num]), in, inl);
ctx->num += inl;
return; | CWE-189 | null | null |
10,309 | static unsigned char conv_ascii2bin(unsigned char a)
{
a = os_toascii[a];
if (a & 0x80)
return B64_ERROR;
return data_ascii2bin[a];
}
| DoS Overflow Mem. Corr. | 0 | static unsigned char conv_ascii2bin(unsigned char a)
{
a = os_toascii[a];
if (a & 0x80)
return B64_ERROR;
return data_ascii2bin[a];
}
| @@ -157,7 +157,7 @@ void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
if (inl <= 0)
return;
OPENSSL_assert(ctx->length <= (int)sizeof(ctx->enc_data));
- if ((ctx->num + inl) < ctx->length) {
+ if (ctx->length - ctx->num > inl) {
memcpy(&(ctx->enc_data[ctx->num]), in, inl);
ctx->num += inl;
return; | CWE-189 | null | null |
10,310 | static struct nl_msg *__nlmsg_alloc(size_t len)
{
struct nl_msg *nm;
if (len < sizeof(struct nlmsghdr))
len = sizeof(struct nlmsghdr);
nm = calloc(1, sizeof(*nm));
if (!nm)
goto errout;
nm->nm_refcnt = 1;
nm->nm_nlh = calloc(1, len);
if (!nm->nm_nlh)
goto errout;
nm->nm_protocol = -1;
nm->nm_size = len;
nm->nm_nlh->nlmsg_len = nlmsg_total_size(0);
NL_DBG(2, "msg %p: Allocated new message, maxlen=%zu\n", nm, len);
return nm;
errout:
free(nm);
return NULL;
}
| Exec Code | 0 | static struct nl_msg *__nlmsg_alloc(size_t len)
{
struct nl_msg *nm;
if (len < sizeof(struct nlmsghdr))
len = sizeof(struct nlmsghdr);
nm = calloc(1, sizeof(*nm));
if (!nm)
goto errout;
nm->nm_refcnt = 1;
nm->nm_nlh = calloc(1, len);
if (!nm->nm_nlh)
goto errout;
nm->nm_protocol = -1;
nm->nm_size = len;
nm->nm_nlh->nlmsg_len = nlmsg_total_size(0);
NL_DBG(2, "msg %p: Allocated new message, maxlen=%zu\n", nm, len);
return nm;
errout:
free(nm);
return NULL;
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,311 | static void dump_attr(FILE *ofd, struct nlattr *attr, int prefix)
{
int len = nla_len(attr);
dump_hex(ofd, nla_data(attr), len, prefix);
}
| Exec Code | 0 | static void dump_attr(FILE *ofd, struct nlattr *attr, int prefix)
{
int len = nla_len(attr);
dump_hex(ofd, nla_data(attr), len, prefix);
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,312 | static void dump_attrs(FILE *ofd, struct nlattr *attrs, int attrlen,
int prefix)
{
int rem;
struct nlattr *nla;
nla_for_each_attr(nla, attrs, attrlen, rem) {
int padlen, alen = nla_len(nla);
prefix_line(ofd, prefix);
if (nla->nla_type == 0)
fprintf(ofd, " [ATTR PADDING] %d octets\n", alen);
else
fprintf(ofd, " [ATTR %02d%s] %d octets\n", nla_type(nla),
nla_is_nested(nla) ? " NESTED" : "",
alen);
if (nla_is_nested(nla))
dump_attrs(ofd, nla_data(nla), alen, prefix+1);
else
dump_attr(ofd, nla, prefix);
padlen = nla_padlen(alen);
if (padlen > 0) {
prefix_line(ofd, prefix);
fprintf(ofd, " [PADDING] %d octets\n",
padlen);
dump_hex(ofd, nla_data(nla) + alen,
padlen, prefix);
}
}
if (rem) {
prefix_line(ofd, prefix);
fprintf(ofd, " [LEFTOVER] %d octets\n", rem);
}
}
| Exec Code | 0 | static void dump_attrs(FILE *ofd, struct nlattr *attrs, int attrlen,
int prefix)
{
int rem;
struct nlattr *nla;
nla_for_each_attr(nla, attrs, attrlen, rem) {
int padlen, alen = nla_len(nla);
prefix_line(ofd, prefix);
if (nla->nla_type == 0)
fprintf(ofd, " [ATTR PADDING] %d octets\n", alen);
else
fprintf(ofd, " [ATTR %02d%s] %d octets\n", nla_type(nla),
nla_is_nested(nla) ? " NESTED" : "",
alen);
if (nla_is_nested(nla))
dump_attrs(ofd, nla_data(nla), alen, prefix+1);
else
dump_attr(ofd, nla, prefix);
padlen = nla_padlen(alen);
if (padlen > 0) {
prefix_line(ofd, prefix);
fprintf(ofd, " [PADDING] %d octets\n",
padlen);
dump_hex(ofd, nla_data(nla) + alen,
padlen, prefix);
}
}
if (rem) {
prefix_line(ofd, prefix);
fprintf(ofd, " [LEFTOVER] %d octets\n", rem);
}
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,313 | static void dump_error_msg(struct nl_msg *msg, FILE *ofd)
{
struct nlmsghdr *hdr = nlmsg_hdr(msg);
struct nlmsgerr *err = nlmsg_data(hdr);
fprintf(ofd, " [ERRORMSG] %zu octets\n", sizeof(*err));
if (nlmsg_len(hdr) >= sizeof(*err)) {
struct nl_msg *errmsg;
fprintf(ofd, " .error = %d \"%s\"\n", err->error,
nl_strerror_l(-err->error));
fprintf(ofd, " [ORIGINAL MESSAGE] %zu octets\n", sizeof(*hdr));
errmsg = nlmsg_inherit(&err->msg);
print_hdr(ofd, errmsg);
nlmsg_free(errmsg);
}
}
| Exec Code | 0 | static void dump_error_msg(struct nl_msg *msg, FILE *ofd)
{
struct nlmsghdr *hdr = nlmsg_hdr(msg);
struct nlmsgerr *err = nlmsg_data(hdr);
fprintf(ofd, " [ERRORMSG] %zu octets\n", sizeof(*err));
if (nlmsg_len(hdr) >= sizeof(*err)) {
struct nl_msg *errmsg;
fprintf(ofd, " .error = %d \"%s\"\n", err->error,
nl_strerror_l(-err->error));
fprintf(ofd, " [ORIGINAL MESSAGE] %zu octets\n", sizeof(*hdr));
errmsg = nlmsg_inherit(&err->msg);
print_hdr(ofd, errmsg);
nlmsg_free(errmsg);
}
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,314 | static inline void dump_hex(FILE *ofd, char *start, int len, int prefix)
{
int i, a, c, limit;
char ascii[21] = {0};
limit = 16 - (prefix * 2);
prefix_line(ofd, prefix);
fprintf(ofd, " ");
for (i = 0, a = 0, c = 0; i < len; i++) {
int v = *(uint8_t *) (start + i);
fprintf(ofd, "%02x ", v);
ascii[a++] = isprint(v) ? v : '.';
if (++c >= limit) {
fprintf(ofd, "%s\n", ascii);
if (i < (len - 1)) {
prefix_line(ofd, prefix);
fprintf(ofd, " ");
}
a = c = 0;
memset(ascii, 0, sizeof(ascii));
}
}
if (c != 0) {
for (i = 0; i < (limit - c); i++)
fprintf(ofd, " ");
fprintf(ofd, "%s\n", ascii);
}
}
| Exec Code | 0 | static inline void dump_hex(FILE *ofd, char *start, int len, int prefix)
{
int i, a, c, limit;
char ascii[21] = {0};
limit = 16 - (prefix * 2);
prefix_line(ofd, prefix);
fprintf(ofd, " ");
for (i = 0, a = 0, c = 0; i < len; i++) {
int v = *(uint8_t *) (start + i);
fprintf(ofd, "%02x ", v);
ascii[a++] = isprint(v) ? v : '.';
if (++c >= limit) {
fprintf(ofd, "%s\n", ascii);
if (i < (len - 1)) {
prefix_line(ofd, prefix);
fprintf(ofd, " ");
}
a = c = 0;
memset(ascii, 0, sizeof(ascii));
}
}
if (c != 0) {
for (i = 0; i < (limit - c); i++)
fprintf(ofd, " ");
fprintf(ofd, "%s\n", ascii);
}
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,315 | void nl_msg_dump(struct nl_msg *msg, FILE *ofd)
{
struct nlmsghdr *hdr = nlmsg_hdr(msg);
fprintf(ofd,
"-------------------------- BEGIN NETLINK MESSAGE ---------------------------\n");
fprintf(ofd, " [NETLINK HEADER] %zu octets\n", sizeof(struct nlmsghdr));
print_hdr(ofd, msg);
if (hdr->nlmsg_type == NLMSG_ERROR)
dump_error_msg(msg, ofd);
else if (nlmsg_len(hdr) > 0)
print_msg(msg, ofd, hdr);
fprintf(ofd,
"--------------------------- END NETLINK MESSAGE ---------------------------\n");
}
| Exec Code | 0 | void nl_msg_dump(struct nl_msg *msg, FILE *ofd)
{
struct nlmsghdr *hdr = nlmsg_hdr(msg);
fprintf(ofd,
"-------------------------- BEGIN NETLINK MESSAGE ---------------------------\n");
fprintf(ofd, " [NETLINK HEADER] %zu octets\n", sizeof(struct nlmsghdr));
print_hdr(ofd, msg);
if (hdr->nlmsg_type == NLMSG_ERROR)
dump_error_msg(msg, ofd);
else if (nlmsg_len(hdr) > 0)
print_msg(msg, ofd, hdr);
fprintf(ofd,
"--------------------------- END NETLINK MESSAGE ---------------------------\n");
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,316 | int nl_msg_parse(struct nl_msg *msg, void (*cb)(struct nl_object *, void *),
void *arg)
{
struct nl_cache_ops *ops;
struct nl_parser_param p = {
.pp_cb = parse_cb
};
struct dp_xdata x = {
.cb = cb,
.arg = arg,
};
int err;
ops = nl_cache_ops_associate_safe(nlmsg_get_proto(msg),
nlmsg_hdr(msg)->nlmsg_type);
if (ops == NULL)
return -NLE_MSGTYPE_NOSUPPORT;
p.pp_arg = &x;
err = nl_cache_parse(ops, NULL, nlmsg_hdr(msg), &p);
nl_cache_ops_put(ops);
return err;
}
| Exec Code | 0 | int nl_msg_parse(struct nl_msg *msg, void (*cb)(struct nl_object *, void *),
void *arg)
{
struct nl_cache_ops *ops;
struct nl_parser_param p = {
.pp_cb = parse_cb
};
struct dp_xdata x = {
.cb = cb,
.arg = arg,
};
int err;
ops = nl_cache_ops_associate_safe(nlmsg_get_proto(msg),
nlmsg_hdr(msg)->nlmsg_type);
if (ops == NULL)
return -NLE_MSGTYPE_NOSUPPORT;
p.pp_arg = &x;
err = nl_cache_parse(ops, NULL, nlmsg_hdr(msg), &p);
nl_cache_ops_put(ops);
return err;
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,317 | char *nl_nlmsg_flags2str(int flags, char *buf, size_t len)
{
memset(buf, 0, len);
#define PRINT_FLAG(f) \
if (flags & NLM_F_##f) { \
flags &= ~NLM_F_##f; \
strncat(buf, #f, len - strlen(buf) - 1); \
if (flags) \
strncat(buf, ",", len - strlen(buf) - 1); \
}
PRINT_FLAG(REQUEST);
PRINT_FLAG(MULTI);
PRINT_FLAG(ACK);
PRINT_FLAG(ECHO);
PRINT_FLAG(ROOT);
PRINT_FLAG(MATCH);
PRINT_FLAG(ATOMIC);
PRINT_FLAG(REPLACE);
PRINT_FLAG(EXCL);
PRINT_FLAG(CREATE);
PRINT_FLAG(APPEND);
if (flags) {
char s[32];
snprintf(s, sizeof(s), "0x%x", flags);
strncat(buf, s, len - strlen(buf) - 1);
}
#undef PRINT_FLAG
return buf;
}
| Exec Code | 0 | char *nl_nlmsg_flags2str(int flags, char *buf, size_t len)
{
memset(buf, 0, len);
#define PRINT_FLAG(f) \
if (flags & NLM_F_##f) { \
flags &= ~NLM_F_##f; \
strncat(buf, #f, len - strlen(buf) - 1); \
if (flags) \
strncat(buf, ",", len - strlen(buf) - 1); \
}
PRINT_FLAG(REQUEST);
PRINT_FLAG(MULTI);
PRINT_FLAG(ACK);
PRINT_FLAG(ECHO);
PRINT_FLAG(ROOT);
PRINT_FLAG(MATCH);
PRINT_FLAG(ATOMIC);
PRINT_FLAG(REPLACE);
PRINT_FLAG(EXCL);
PRINT_FLAG(CREATE);
PRINT_FLAG(APPEND);
if (flags) {
char s[32];
snprintf(s, sizeof(s), "0x%x", flags);
strncat(buf, s, len - strlen(buf) - 1);
}
#undef PRINT_FLAG
return buf;
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,318 | char *nl_nlmsgtype2str(int type, char *buf, size_t size)
{
return __type2str(type, buf, size, nl_msgtypes,
ARRAY_SIZE(nl_msgtypes));
}
| Exec Code | 0 | char *nl_nlmsgtype2str(int type, char *buf, size_t size)
{
return __type2str(type, buf, size, nl_msgtypes,
ARRAY_SIZE(nl_msgtypes));
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,319 | int nl_str2nlmsgtype(const char *name)
{
return __str2type(name, nl_msgtypes, ARRAY_SIZE(nl_msgtypes));
}
| Exec Code | 0 | int nl_str2nlmsgtype(const char *name)
{
return __str2type(name, nl_msgtypes, ARRAY_SIZE(nl_msgtypes));
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,320 | struct nl_msg *nlmsg_alloc(void)
{
return __nlmsg_alloc(default_msg_size);
}
| Exec Code | 0 | struct nl_msg *nlmsg_alloc(void)
{
return __nlmsg_alloc(default_msg_size);
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,321 | struct nl_msg *nlmsg_alloc_simple(int nlmsgtype, int flags)
{
struct nl_msg *msg;
struct nlmsghdr nlh = {
.nlmsg_type = nlmsgtype,
.nlmsg_flags = flags,
};
msg = nlmsg_inherit(&nlh);
if (msg)
NL_DBG(2, "msg %p: Allocated new simple message\n", msg);
return msg;
}
| Exec Code | 0 | struct nl_msg *nlmsg_alloc_simple(int nlmsgtype, int flags)
{
struct nl_msg *msg;
struct nlmsghdr nlh = {
.nlmsg_type = nlmsgtype,
.nlmsg_flags = flags,
};
msg = nlmsg_inherit(&nlh);
if (msg)
NL_DBG(2, "msg %p: Allocated new simple message\n", msg);
return msg;
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,322 | int nlmsg_append(struct nl_msg *n, void *data, size_t len, int pad)
{
void *tmp;
tmp = nlmsg_reserve(n, len, pad);
if (tmp == NULL)
return -NLE_NOMEM;
memcpy(tmp, data, len);
NL_DBG(2, "msg %p: Appended %zu bytes with padding %d\n", n, len, pad);
return 0;
}
| Exec Code | 0 | int nlmsg_append(struct nl_msg *n, void *data, size_t len, int pad)
{
void *tmp;
tmp = nlmsg_reserve(n, len, pad);
if (tmp == NULL)
return -NLE_NOMEM;
memcpy(tmp, data, len);
NL_DBG(2, "msg %p: Appended %zu bytes with padding %d\n", n, len, pad);
return 0;
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,323 | struct nl_msg *nlmsg_convert(struct nlmsghdr *hdr)
{
struct nl_msg *nm;
nm = __nlmsg_alloc(NLMSG_ALIGN(hdr->nlmsg_len));
if (!nm)
return NULL;
memcpy(nm->nm_nlh, hdr, hdr->nlmsg_len);
return nm;
}
| Exec Code | 0 | struct nl_msg *nlmsg_convert(struct nlmsghdr *hdr)
{
struct nl_msg *nm;
nm = __nlmsg_alloc(NLMSG_ALIGN(hdr->nlmsg_len));
if (!nm)
return NULL;
memcpy(nm->nm_nlh, hdr, hdr->nlmsg_len);
return nm;
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,324 | void *nlmsg_data(const struct nlmsghdr *nlh)
{
return (unsigned char *) nlh + NLMSG_HDRLEN;
}
| Exec Code | 0 | void *nlmsg_data(const struct nlmsghdr *nlh)
{
return (unsigned char *) nlh + NLMSG_HDRLEN;
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,325 | struct nlattr *nlmsg_find_attr(struct nlmsghdr *nlh, int hdrlen, int attrtype)
{
return nla_find(nlmsg_attrdata(nlh, hdrlen),
nlmsg_attrlen(nlh, hdrlen), attrtype);
}
| Exec Code | 0 | struct nlattr *nlmsg_find_attr(struct nlmsghdr *nlh, int hdrlen, int attrtype)
{
return nla_find(nlmsg_attrdata(nlh, hdrlen),
nlmsg_attrlen(nlh, hdrlen), attrtype);
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,326 | void nlmsg_free(struct nl_msg *msg)
{
if (!msg)
return;
msg->nm_refcnt--;
NL_DBG(4, "Returned message reference %p, %d remaining\n",
msg, msg->nm_refcnt);
if (msg->nm_refcnt < 0)
BUG();
if (msg->nm_refcnt <= 0) {
free(msg->nm_nlh);
NL_DBG(2, "msg %p: Freed\n", msg);
free(msg);
}
}
| Exec Code | 0 | void nlmsg_free(struct nl_msg *msg)
{
if (!msg)
return;
msg->nm_refcnt--;
NL_DBG(4, "Returned message reference %p, %d remaining\n",
msg, msg->nm_refcnt);
if (msg->nm_refcnt < 0)
BUG();
if (msg->nm_refcnt <= 0) {
free(msg->nm_nlh);
NL_DBG(2, "msg %p: Freed\n", msg);
free(msg);
}
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,327 | void nlmsg_get(struct nl_msg *msg)
{
msg->nm_refcnt++;
NL_DBG(4, "New reference to message %p, total %d\n",
msg, msg->nm_refcnt);
}
| Exec Code | 0 | void nlmsg_get(struct nl_msg *msg)
{
msg->nm_refcnt++;
NL_DBG(4, "New reference to message %p, total %d\n",
msg, msg->nm_refcnt);
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,328 | struct sockaddr_nl *nlmsg_get_dst(struct nl_msg *msg)
{
return &msg->nm_dst;
}
| Exec Code | 0 | struct sockaddr_nl *nlmsg_get_dst(struct nl_msg *msg)
{
return &msg->nm_dst;
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,329 | int nlmsg_get_proto(struct nl_msg *msg)
{
return msg->nm_protocol;
}
| Exec Code | 0 | int nlmsg_get_proto(struct nl_msg *msg)
{
return msg->nm_protocol;
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,330 | struct sockaddr_nl *nlmsg_get_src(struct nl_msg *msg)
{
return &msg->nm_src;
}
| Exec Code | 0 | struct sockaddr_nl *nlmsg_get_src(struct nl_msg *msg)
{
return &msg->nm_src;
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,331 | struct nlmsghdr *nlmsg_hdr(struct nl_msg *n)
{
return n->nm_nlh;
}
| Exec Code | 0 | struct nlmsghdr *nlmsg_hdr(struct nl_msg *n)
{
return n->nm_nlh;
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,332 | struct nl_msg *nlmsg_inherit(struct nlmsghdr *hdr)
{
struct nl_msg *nm;
nm = nlmsg_alloc();
if (nm && hdr) {
struct nlmsghdr *new = nm->nm_nlh;
new->nlmsg_type = hdr->nlmsg_type;
new->nlmsg_flags = hdr->nlmsg_flags;
new->nlmsg_seq = hdr->nlmsg_seq;
new->nlmsg_pid = hdr->nlmsg_pid;
}
return nm;
}
| Exec Code | 0 | struct nl_msg *nlmsg_inherit(struct nlmsghdr *hdr)
{
struct nl_msg *nm;
nm = nlmsg_alloc();
if (nm && hdr) {
struct nlmsghdr *new = nm->nm_nlh;
new->nlmsg_type = hdr->nlmsg_type;
new->nlmsg_flags = hdr->nlmsg_flags;
new->nlmsg_seq = hdr->nlmsg_seq;
new->nlmsg_pid = hdr->nlmsg_pid;
}
return nm;
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,333 | static int nlmsg_len(const struct nlmsghdr *nlh)
{
return nlmsg_datalen(nlh);
}
| Exec Code | 0 | static int nlmsg_len(const struct nlmsghdr *nlh)
{
return nlmsg_datalen(nlh);
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,334 | struct nlmsghdr *nlmsg_next(struct nlmsghdr *nlh, int *remaining)
{
int totlen = NLMSG_ALIGN(nlh->nlmsg_len);
*remaining -= totlen;
return (struct nlmsghdr *) ((unsigned char *) nlh + totlen);
}
| Exec Code | 0 | struct nlmsghdr *nlmsg_next(struct nlmsghdr *nlh, int *remaining)
{
int totlen = NLMSG_ALIGN(nlh->nlmsg_len);
*remaining -= totlen;
return (struct nlmsghdr *) ((unsigned char *) nlh + totlen);
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,335 | int nlmsg_ok(const struct nlmsghdr *nlh, int remaining)
{
return (remaining >= (int)sizeof(struct nlmsghdr) &&
nlh->nlmsg_len >= sizeof(struct nlmsghdr) &&
nlh->nlmsg_len <= remaining);
}
| Exec Code | 0 | int nlmsg_ok(const struct nlmsghdr *nlh, int remaining)
{
return (remaining >= (int)sizeof(struct nlmsghdr) &&
nlh->nlmsg_len >= sizeof(struct nlmsghdr) &&
nlh->nlmsg_len <= remaining);
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,336 | int nlmsg_padlen(int payload)
{
return nlmsg_total_size(payload) - nlmsg_msg_size(payload);
}
| Exec Code | 0 | int nlmsg_padlen(int payload)
{
return nlmsg_total_size(payload) - nlmsg_msg_size(payload);
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,337 | int nlmsg_parse(struct nlmsghdr *nlh, int hdrlen, struct nlattr *tb[],
int maxtype, struct nla_policy *policy)
{
if (!nlmsg_valid_hdr(nlh, hdrlen))
return -NLE_MSG_TOOSHORT;
return nla_parse(tb, maxtype, nlmsg_attrdata(nlh, hdrlen),
nlmsg_attrlen(nlh, hdrlen), policy);
}
| Exec Code | 0 | int nlmsg_parse(struct nlmsghdr *nlh, int hdrlen, struct nlattr *tb[],
int maxtype, struct nla_policy *policy)
{
if (!nlmsg_valid_hdr(nlh, hdrlen))
return -NLE_MSG_TOOSHORT;
return nla_parse(tb, maxtype, nlmsg_attrdata(nlh, hdrlen),
nlmsg_attrlen(nlh, hdrlen), policy);
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,338 | struct nlmsghdr *nlmsg_put(struct nl_msg *n, uint32_t pid, uint32_t seq,
int type, int payload, int flags)
{
struct nlmsghdr *nlh;
if (n->nm_nlh->nlmsg_len < NLMSG_HDRLEN)
BUG();
nlh = (struct nlmsghdr *) n->nm_nlh;
nlh->nlmsg_type = type;
nlh->nlmsg_flags = flags;
nlh->nlmsg_pid = pid;
nlh->nlmsg_seq = seq;
NL_DBG(2, "msg %p: Added netlink header type=%d, flags=%d, pid=%d, "
"seq=%d\n", n, type, flags, pid, seq);
if (payload > 0 &&
nlmsg_reserve(n, payload, NLMSG_ALIGNTO) == NULL)
return NULL;
return nlh;
}
| Exec Code | 0 | struct nlmsghdr *nlmsg_put(struct nl_msg *n, uint32_t pid, uint32_t seq,
int type, int payload, int flags)
{
struct nlmsghdr *nlh;
if (n->nm_nlh->nlmsg_len < NLMSG_HDRLEN)
BUG();
nlh = (struct nlmsghdr *) n->nm_nlh;
nlh->nlmsg_type = type;
nlh->nlmsg_flags = flags;
nlh->nlmsg_pid = pid;
nlh->nlmsg_seq = seq;
NL_DBG(2, "msg %p: Added netlink header type=%d, flags=%d, pid=%d, "
"seq=%d\n", n, type, flags, pid, seq);
if (payload > 0 &&
nlmsg_reserve(n, payload, NLMSG_ALIGNTO) == NULL)
return NULL;
return nlh;
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,339 | void nlmsg_set_creds(struct nl_msg *msg, struct ucred *creds)
{
memcpy(&msg->nm_creds, creds, sizeof(*creds));
msg->nm_flags |= NL_MSG_CRED_PRESENT;
}
| Exec Code | 0 | void nlmsg_set_creds(struct nl_msg *msg, struct ucred *creds)
{
memcpy(&msg->nm_creds, creds, sizeof(*creds));
msg->nm_flags |= NL_MSG_CRED_PRESENT;
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,340 | void nlmsg_set_default_size(size_t max)
{
if (max < nlmsg_total_size(0))
max = nlmsg_total_size(0);
default_msg_size = max;
}
| Exec Code | 0 | void nlmsg_set_default_size(size_t max)
{
if (max < nlmsg_total_size(0))
max = nlmsg_total_size(0);
default_msg_size = max;
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,341 | void nlmsg_set_dst(struct nl_msg *msg, struct sockaddr_nl *addr)
{
memcpy(&msg->nm_dst, addr, sizeof(*addr));
}
| Exec Code | 0 | void nlmsg_set_dst(struct nl_msg *msg, struct sockaddr_nl *addr)
{
memcpy(&msg->nm_dst, addr, sizeof(*addr));
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,342 | void nlmsg_set_src(struct nl_msg *msg, struct sockaddr_nl *addr)
{
memcpy(&msg->nm_src, addr, sizeof(*addr));
}
| Exec Code | 0 | void nlmsg_set_src(struct nl_msg *msg, struct sockaddr_nl *addr)
{
memcpy(&msg->nm_src, addr, sizeof(*addr));
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,343 | int nlmsg_size(int payload)
{
return NLMSG_HDRLEN + payload;
}
| Exec Code | 0 | int nlmsg_size(int payload)
{
return NLMSG_HDRLEN + payload;
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,344 | void *nlmsg_tail(const struct nlmsghdr *nlh)
{
return (unsigned char *) nlh + NLMSG_ALIGN(nlh->nlmsg_len);
}
| Exec Code | 0 | void *nlmsg_tail(const struct nlmsghdr *nlh)
{
return (unsigned char *) nlh + NLMSG_ALIGN(nlh->nlmsg_len);
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,345 | int nlmsg_total_size(int payload)
{
return NLMSG_ALIGN(nlmsg_msg_size(payload));
}
| Exec Code | 0 | int nlmsg_total_size(int payload)
{
return NLMSG_ALIGN(nlmsg_msg_size(payload));
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,346 | int nlmsg_valid_hdr(const struct nlmsghdr *nlh, int hdrlen)
{
if (nlh->nlmsg_len < nlmsg_msg_size(hdrlen))
return 0;
return 1;
}
| Exec Code | 0 | int nlmsg_valid_hdr(const struct nlmsghdr *nlh, int hdrlen)
{
if (nlh->nlmsg_len < nlmsg_msg_size(hdrlen))
return 0;
return 1;
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,347 | int nlmsg_validate(struct nlmsghdr *nlh, int hdrlen, int maxtype,
struct nla_policy *policy)
{
if (!nlmsg_valid_hdr(nlh, hdrlen))
return -NLE_MSG_TOOSHORT;
return nla_validate(nlmsg_attrdata(nlh, hdrlen),
nlmsg_attrlen(nlh, hdrlen), maxtype, policy);
}
| Exec Code | 0 | int nlmsg_validate(struct nlmsghdr *nlh, int hdrlen, int maxtype,
struct nla_policy *policy)
{
if (!nlmsg_valid_hdr(nlh, hdrlen))
return -NLE_MSG_TOOSHORT;
return nla_validate(nlmsg_attrdata(nlh, hdrlen),
nlmsg_attrlen(nlh, hdrlen), maxtype, policy);
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,348 | static void print_hdr(FILE *ofd, struct nl_msg *msg)
{
struct nlmsghdr *nlh = nlmsg_hdr(msg);
struct nl_cache_ops *ops;
struct nl_msgtype *mt;
char buf[128];
fprintf(ofd, " .nlmsg_len = %d\n", nlh->nlmsg_len);
ops = nl_cache_ops_associate_safe(nlmsg_get_proto(msg), nlh->nlmsg_type);
if (ops) {
mt = nl_msgtype_lookup(ops, nlh->nlmsg_type);
if (!mt)
BUG();
snprintf(buf, sizeof(buf), "%s::%s", ops->co_name, mt->mt_name);
nl_cache_ops_put(ops);
} else
nl_nlmsgtype2str(nlh->nlmsg_type, buf, sizeof(buf));
fprintf(ofd, " .type = %d <%s>\n", nlh->nlmsg_type, buf);
fprintf(ofd, " .flags = %d <%s>\n", nlh->nlmsg_flags,
nl_nlmsg_flags2str(nlh->nlmsg_flags, buf, sizeof(buf)));
fprintf(ofd, " .seq = %d\n", nlh->nlmsg_seq);
fprintf(ofd, " .port = %d\n", nlh->nlmsg_pid);
}
| Exec Code | 0 | static void print_hdr(FILE *ofd, struct nl_msg *msg)
{
struct nlmsghdr *nlh = nlmsg_hdr(msg);
struct nl_cache_ops *ops;
struct nl_msgtype *mt;
char buf[128];
fprintf(ofd, " .nlmsg_len = %d\n", nlh->nlmsg_len);
ops = nl_cache_ops_associate_safe(nlmsg_get_proto(msg), nlh->nlmsg_type);
if (ops) {
mt = nl_msgtype_lookup(ops, nlh->nlmsg_type);
if (!mt)
BUG();
snprintf(buf, sizeof(buf), "%s::%s", ops->co_name, mt->mt_name);
nl_cache_ops_put(ops);
} else
nl_nlmsgtype2str(nlh->nlmsg_type, buf, sizeof(buf));
fprintf(ofd, " .type = %d <%s>\n", nlh->nlmsg_type, buf);
fprintf(ofd, " .flags = %d <%s>\n", nlh->nlmsg_flags,
nl_nlmsg_flags2str(nlh->nlmsg_flags, buf, sizeof(buf)));
fprintf(ofd, " .seq = %d\n", nlh->nlmsg_seq);
fprintf(ofd, " .port = %d\n", nlh->nlmsg_pid);
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,349 | static void print_msg(struct nl_msg *msg, FILE *ofd, struct nlmsghdr *hdr)
{
struct nl_cache_ops *ops;
int payloadlen = nlmsg_len(hdr);
int attrlen = 0;
void *data;
data = nlmsg_data(hdr);
ops = nl_cache_ops_associate_safe(nlmsg_get_proto(msg),
hdr->nlmsg_type);
if (ops) {
attrlen = nlmsg_attrlen(hdr, ops->co_hdrsize);
payloadlen -= attrlen;
}
if (msg->nm_protocol == NETLINK_GENERIC)
data = print_genl_msg(msg, ofd, hdr, ops, &payloadlen);
if (payloadlen) {
fprintf(ofd, " [PAYLOAD] %d octets\n", payloadlen);
dump_hex(ofd, data, payloadlen, 0);
}
if (attrlen) {
struct nlattr *attrs;
int attrlen;
attrs = nlmsg_attrdata(hdr, ops->co_hdrsize);
attrlen = nlmsg_attrlen(hdr, ops->co_hdrsize);
dump_attrs(ofd, attrs, attrlen, 0);
}
if (ops)
nl_cache_ops_put(ops);
}
| Exec Code | 0 | static void print_msg(struct nl_msg *msg, FILE *ofd, struct nlmsghdr *hdr)
{
struct nl_cache_ops *ops;
int payloadlen = nlmsg_len(hdr);
int attrlen = 0;
void *data;
data = nlmsg_data(hdr);
ops = nl_cache_ops_associate_safe(nlmsg_get_proto(msg),
hdr->nlmsg_type);
if (ops) {
attrlen = nlmsg_attrlen(hdr, ops->co_hdrsize);
payloadlen -= attrlen;
}
if (msg->nm_protocol == NETLINK_GENERIC)
data = print_genl_msg(msg, ofd, hdr, ops, &payloadlen);
if (payloadlen) {
fprintf(ofd, " [PAYLOAD] %d octets\n", payloadlen);
dump_hex(ofd, data, payloadlen, 0);
}
if (attrlen) {
struct nlattr *attrs;
int attrlen;
attrs = nlmsg_attrdata(hdr, ops->co_hdrsize);
attrlen = nlmsg_attrlen(hdr, ops->co_hdrsize);
dump_attrs(ofd, attrs, attrlen, 0);
}
if (ops)
nl_cache_ops_put(ops);
}
| @@ -411,6 +411,9 @@ void *nlmsg_reserve(struct nl_msg *n, size_t len, int pad)
size_t nlmsg_len = n->nm_nlh->nlmsg_len;
size_t tlen;
+ if (len > n->nm_size)
+ return NULL;
+
tlen = pad ? ((len + (pad - 1)) & ~(pad - 1)) : len;
if ((tlen + nlmsg_len) > n->nm_size) | CWE-190 | null | null |
10,350 | kex_from_blob(struct sshbuf *m, struct kex **kexp)
{
struct kex *kex;
int r;
if ((kex = calloc(1, sizeof(struct kex))) == NULL ||
(kex->my = sshbuf_new()) == NULL ||
(kex->peer = sshbuf_new()) == NULL) {
r = SSH_ERR_ALLOC_FAIL;
goto out;
}
if ((r = sshbuf_get_string(m, &kex->session_id, &kex->session_id_len)) != 0 ||
(r = sshbuf_get_u32(m, &kex->we_need)) != 0 ||
(r = sshbuf_get_u32(m, (u_int *)&kex->hostkey_type)) != 0 ||
(r = sshbuf_get_u32(m, &kex->kex_type)) != 0 ||
(r = sshbuf_get_stringb(m, kex->my)) != 0 ||
(r = sshbuf_get_stringb(m, kex->peer)) != 0 ||
(r = sshbuf_get_u32(m, &kex->flags)) != 0 ||
(r = sshbuf_get_cstring(m, &kex->client_version_string, NULL)) != 0 ||
(r = sshbuf_get_cstring(m, &kex->server_version_string, NULL)) != 0)
goto out;
kex->server = 1;
kex->done = 1;
r = 0;
out:
if (r != 0 || kexp == NULL) {
if (kex != NULL) {
if (kex->my != NULL)
sshbuf_free(kex->my);
if (kex->peer != NULL)
sshbuf_free(kex->peer);
free(kex);
}
if (kexp != NULL)
*kexp = NULL;
} else {
*kexp = kex;
}
return r;
}
| DoS Overflow | 0 | kex_from_blob(struct sshbuf *m, struct kex **kexp)
{
struct kex *kex;
int r;
if ((kex = calloc(1, sizeof(struct kex))) == NULL ||
(kex->my = sshbuf_new()) == NULL ||
(kex->peer = sshbuf_new()) == NULL) {
r = SSH_ERR_ALLOC_FAIL;
goto out;
}
if ((r = sshbuf_get_string(m, &kex->session_id, &kex->session_id_len)) != 0 ||
(r = sshbuf_get_u32(m, &kex->we_need)) != 0 ||
(r = sshbuf_get_u32(m, (u_int *)&kex->hostkey_type)) != 0 ||
(r = sshbuf_get_u32(m, &kex->kex_type)) != 0 ||
(r = sshbuf_get_stringb(m, kex->my)) != 0 ||
(r = sshbuf_get_stringb(m, kex->peer)) != 0 ||
(r = sshbuf_get_u32(m, &kex->flags)) != 0 ||
(r = sshbuf_get_cstring(m, &kex->client_version_string, NULL)) != 0 ||
(r = sshbuf_get_cstring(m, &kex->server_version_string, NULL)) != 0)
goto out;
kex->server = 1;
kex->done = 1;
r = 0;
out:
if (r != 0 || kexp == NULL) {
if (kex != NULL) {
if (kex->my != NULL)
sshbuf_free(kex->my);
if (kex->peer != NULL)
sshbuf_free(kex->peer);
free(kex);
}
if (kexp != NULL)
*kexp = NULL;
} else {
*kexp = kex;
}
return r;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,351 | kex_to_blob(struct sshbuf *m, struct kex *kex)
{
int r;
if ((r = sshbuf_put_string(m, kex->session_id,
kex->session_id_len)) != 0 ||
(r = sshbuf_put_u32(m, kex->we_need)) != 0 ||
(r = sshbuf_put_u32(m, kex->hostkey_type)) != 0 ||
(r = sshbuf_put_u32(m, kex->kex_type)) != 0 ||
(r = sshbuf_put_stringb(m, kex->my)) != 0 ||
(r = sshbuf_put_stringb(m, kex->peer)) != 0 ||
(r = sshbuf_put_u32(m, kex->flags)) != 0 ||
(r = sshbuf_put_cstring(m, kex->client_version_string)) != 0 ||
(r = sshbuf_put_cstring(m, kex->server_version_string)) != 0)
return r;
return 0;
}
| DoS Overflow | 0 | kex_to_blob(struct sshbuf *m, struct kex *kex)
{
int r;
if ((r = sshbuf_put_string(m, kex->session_id,
kex->session_id_len)) != 0 ||
(r = sshbuf_put_u32(m, kex->we_need)) != 0 ||
(r = sshbuf_put_u32(m, kex->hostkey_type)) != 0 ||
(r = sshbuf_put_u32(m, kex->kex_type)) != 0 ||
(r = sshbuf_put_stringb(m, kex->my)) != 0 ||
(r = sshbuf_put_stringb(m, kex->peer)) != 0 ||
(r = sshbuf_put_u32(m, kex->flags)) != 0 ||
(r = sshbuf_put_cstring(m, kex->client_version_string)) != 0 ||
(r = sshbuf_put_cstring(m, kex->server_version_string)) != 0)
return r;
return 0;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,352 | newkeys_from_blob(struct sshbuf *m, struct ssh *ssh, int mode)
{
struct sshbuf *b = NULL;
struct sshcomp *comp;
struct sshenc *enc;
struct sshmac *mac;
struct newkeys *newkey = NULL;
size_t keylen, ivlen, maclen;
int r;
if ((newkey = calloc(1, sizeof(*newkey))) == NULL) {
r = SSH_ERR_ALLOC_FAIL;
goto out;
}
if ((r = sshbuf_froms(m, &b)) != 0)
goto out;
#ifdef DEBUG_PK
sshbuf_dump(b, stderr);
#endif
enc = &newkey->enc;
mac = &newkey->mac;
comp = &newkey->comp;
if ((r = sshbuf_get_cstring(b, &enc->name, NULL)) != 0 ||
(r = sshbuf_get(b, &enc->cipher, sizeof(enc->cipher))) != 0 ||
(r = sshbuf_get_u32(b, (u_int *)&enc->enabled)) != 0 ||
(r = sshbuf_get_u32(b, &enc->block_size)) != 0 ||
(r = sshbuf_get_string(b, &enc->key, &keylen)) != 0 ||
(r = sshbuf_get_string(b, &enc->iv, &ivlen)) != 0)
goto out;
if (cipher_authlen(enc->cipher) == 0) {
if ((r = sshbuf_get_cstring(b, &mac->name, NULL)) != 0)
goto out;
if ((r = mac_setup(mac, mac->name)) != 0)
goto out;
if ((r = sshbuf_get_u32(b, (u_int *)&mac->enabled)) != 0 ||
(r = sshbuf_get_string(b, &mac->key, &maclen)) != 0)
goto out;
if (maclen > mac->key_len) {
r = SSH_ERR_INVALID_FORMAT;
goto out;
}
mac->key_len = maclen;
}
if ((r = sshbuf_get_u32(b, &comp->type)) != 0 ||
(r = sshbuf_get_u32(b, (u_int *)&comp->enabled)) != 0 ||
(r = sshbuf_get_cstring(b, &comp->name, NULL)) != 0)
goto out;
if (enc->name == NULL ||
cipher_by_name(enc->name) != enc->cipher) {
r = SSH_ERR_INVALID_FORMAT;
goto out;
}
if (sshbuf_len(b) != 0) {
r = SSH_ERR_INVALID_FORMAT;
goto out;
}
enc->key_len = keylen;
enc->iv_len = ivlen;
ssh->kex->newkeys[mode] = newkey;
newkey = NULL;
r = 0;
out:
if (newkey != NULL)
free(newkey);
if (b != NULL)
sshbuf_free(b);
return r;
}
| DoS Overflow | 0 | newkeys_from_blob(struct sshbuf *m, struct ssh *ssh, int mode)
{
struct sshbuf *b = NULL;
struct sshcomp *comp;
struct sshenc *enc;
struct sshmac *mac;
struct newkeys *newkey = NULL;
size_t keylen, ivlen, maclen;
int r;
if ((newkey = calloc(1, sizeof(*newkey))) == NULL) {
r = SSH_ERR_ALLOC_FAIL;
goto out;
}
if ((r = sshbuf_froms(m, &b)) != 0)
goto out;
#ifdef DEBUG_PK
sshbuf_dump(b, stderr);
#endif
enc = &newkey->enc;
mac = &newkey->mac;
comp = &newkey->comp;
if ((r = sshbuf_get_cstring(b, &enc->name, NULL)) != 0 ||
(r = sshbuf_get(b, &enc->cipher, sizeof(enc->cipher))) != 0 ||
(r = sshbuf_get_u32(b, (u_int *)&enc->enabled)) != 0 ||
(r = sshbuf_get_u32(b, &enc->block_size)) != 0 ||
(r = sshbuf_get_string(b, &enc->key, &keylen)) != 0 ||
(r = sshbuf_get_string(b, &enc->iv, &ivlen)) != 0)
goto out;
if (cipher_authlen(enc->cipher) == 0) {
if ((r = sshbuf_get_cstring(b, &mac->name, NULL)) != 0)
goto out;
if ((r = mac_setup(mac, mac->name)) != 0)
goto out;
if ((r = sshbuf_get_u32(b, (u_int *)&mac->enabled)) != 0 ||
(r = sshbuf_get_string(b, &mac->key, &maclen)) != 0)
goto out;
if (maclen > mac->key_len) {
r = SSH_ERR_INVALID_FORMAT;
goto out;
}
mac->key_len = maclen;
}
if ((r = sshbuf_get_u32(b, &comp->type)) != 0 ||
(r = sshbuf_get_u32(b, (u_int *)&comp->enabled)) != 0 ||
(r = sshbuf_get_cstring(b, &comp->name, NULL)) != 0)
goto out;
if (enc->name == NULL ||
cipher_by_name(enc->name) != enc->cipher) {
r = SSH_ERR_INVALID_FORMAT;
goto out;
}
if (sshbuf_len(b) != 0) {
r = SSH_ERR_INVALID_FORMAT;
goto out;
}
enc->key_len = keylen;
enc->iv_len = ivlen;
ssh->kex->newkeys[mode] = newkey;
newkey = NULL;
r = 0;
out:
if (newkey != NULL)
free(newkey);
if (b != NULL)
sshbuf_free(b);
return r;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,353 | newkeys_to_blob(struct sshbuf *m, struct ssh *ssh, int mode)
{
struct sshbuf *b;
struct sshcipher_ctx *cc;
struct sshcomp *comp;
struct sshenc *enc;
struct sshmac *mac;
struct newkeys *newkey;
int r;
if ((newkey = ssh->state->newkeys[mode]) == NULL)
return SSH_ERR_INTERNAL_ERROR;
enc = &newkey->enc;
mac = &newkey->mac;
comp = &newkey->comp;
cc = (mode == MODE_OUT) ? &ssh->state->send_context :
&ssh->state->receive_context;
if ((r = cipher_get_keyiv(cc, enc->iv, enc->iv_len)) != 0)
return r;
if ((b = sshbuf_new()) == NULL)
return SSH_ERR_ALLOC_FAIL;
/* The cipher struct is constant and shared, you export pointer */
if ((r = sshbuf_put_cstring(b, enc->name)) != 0 ||
(r = sshbuf_put(b, &enc->cipher, sizeof(enc->cipher))) != 0 ||
(r = sshbuf_put_u32(b, enc->enabled)) != 0 ||
(r = sshbuf_put_u32(b, enc->block_size)) != 0 ||
(r = sshbuf_put_string(b, enc->key, enc->key_len)) != 0 ||
(r = sshbuf_put_string(b, enc->iv, enc->iv_len)) != 0)
goto out;
if (cipher_authlen(enc->cipher) == 0) {
if ((r = sshbuf_put_cstring(b, mac->name)) != 0 ||
(r = sshbuf_put_u32(b, mac->enabled)) != 0 ||
(r = sshbuf_put_string(b, mac->key, mac->key_len)) != 0)
goto out;
}
if ((r = sshbuf_put_u32(b, comp->type)) != 0 ||
(r = sshbuf_put_u32(b, comp->enabled)) != 0 ||
(r = sshbuf_put_cstring(b, comp->name)) != 0)
goto out;
r = sshbuf_put_stringb(m, b);
out:
if (b != NULL)
sshbuf_free(b);
return r;
}
| DoS Overflow | 0 | newkeys_to_blob(struct sshbuf *m, struct ssh *ssh, int mode)
{
struct sshbuf *b;
struct sshcipher_ctx *cc;
struct sshcomp *comp;
struct sshenc *enc;
struct sshmac *mac;
struct newkeys *newkey;
int r;
if ((newkey = ssh->state->newkeys[mode]) == NULL)
return SSH_ERR_INTERNAL_ERROR;
enc = &newkey->enc;
mac = &newkey->mac;
comp = &newkey->comp;
cc = (mode == MODE_OUT) ? &ssh->state->send_context :
&ssh->state->receive_context;
if ((r = cipher_get_keyiv(cc, enc->iv, enc->iv_len)) != 0)
return r;
if ((b = sshbuf_new()) == NULL)
return SSH_ERR_ALLOC_FAIL;
/* The cipher struct is constant and shared, you export pointer */
if ((r = sshbuf_put_cstring(b, enc->name)) != 0 ||
(r = sshbuf_put(b, &enc->cipher, sizeof(enc->cipher))) != 0 ||
(r = sshbuf_put_u32(b, enc->enabled)) != 0 ||
(r = sshbuf_put_u32(b, enc->block_size)) != 0 ||
(r = sshbuf_put_string(b, enc->key, enc->key_len)) != 0 ||
(r = sshbuf_put_string(b, enc->iv, enc->iv_len)) != 0)
goto out;
if (cipher_authlen(enc->cipher) == 0) {
if ((r = sshbuf_put_cstring(b, mac->name)) != 0 ||
(r = sshbuf_put_u32(b, mac->enabled)) != 0 ||
(r = sshbuf_put_string(b, mac->key, mac->key_len)) != 0)
goto out;
}
if ((r = sshbuf_put_u32(b, comp->type)) != 0 ||
(r = sshbuf_put_u32(b, comp->enabled)) != 0 ||
(r = sshbuf_put_cstring(b, comp->name)) != 0)
goto out;
r = sshbuf_put_stringb(m, b);
out:
if (b != NULL)
sshbuf_free(b);
return r;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,354 | ssh_alloc_session_state(void)
{
struct ssh *ssh = NULL;
struct session_state *state = NULL;
if ((ssh = calloc(1, sizeof(*ssh))) == NULL ||
(state = calloc(1, sizeof(*state))) == NULL ||
(state->input = sshbuf_new()) == NULL ||
(state->output = sshbuf_new()) == NULL ||
(state->outgoing_packet = sshbuf_new()) == NULL ||
(state->incoming_packet = sshbuf_new()) == NULL)
goto fail;
TAILQ_INIT(&state->outgoing);
TAILQ_INIT(&ssh->private_keys);
TAILQ_INIT(&ssh->public_keys);
state->connection_in = -1;
state->connection_out = -1;
state->max_packet_size = 32768;
state->packet_timeout_ms = -1;
state->p_send.packets = state->p_read.packets = 0;
state->initialized = 1;
/*
* ssh_packet_send2() needs to queue packets until
* we've done the initial key exchange.
*/
state->rekeying = 1;
ssh->state = state;
return ssh;
fail:
if (state) {
sshbuf_free(state->input);
sshbuf_free(state->output);
sshbuf_free(state->incoming_packet);
sshbuf_free(state->outgoing_packet);
free(state);
}
free(ssh);
return NULL;
}
| DoS Overflow | 0 | ssh_alloc_session_state(void)
{
struct ssh *ssh = NULL;
struct session_state *state = NULL;
if ((ssh = calloc(1, sizeof(*ssh))) == NULL ||
(state = calloc(1, sizeof(*state))) == NULL ||
(state->input = sshbuf_new()) == NULL ||
(state->output = sshbuf_new()) == NULL ||
(state->outgoing_packet = sshbuf_new()) == NULL ||
(state->incoming_packet = sshbuf_new()) == NULL)
goto fail;
TAILQ_INIT(&state->outgoing);
TAILQ_INIT(&ssh->private_keys);
TAILQ_INIT(&ssh->public_keys);
state->connection_in = -1;
state->connection_out = -1;
state->max_packet_size = 32768;
state->packet_timeout_ms = -1;
state->p_send.packets = state->p_read.packets = 0;
state->initialized = 1;
/*
* ssh_packet_send2() needs to queue packets until
* we've done the initial key exchange.
*/
state->rekeying = 1;
ssh->state = state;
return ssh;
fail:
if (state) {
sshbuf_free(state->input);
sshbuf_free(state->output);
sshbuf_free(state->incoming_packet);
sshbuf_free(state->outgoing_packet);
free(state);
}
free(ssh);
return NULL;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,355 | ssh_packet_backup_state(struct ssh *ssh,
struct ssh *backup_state)
{
struct ssh *tmp;
close(ssh->state->connection_in);
ssh->state->connection_in = -1;
close(ssh->state->connection_out);
ssh->state->connection_out = -1;
if (backup_state)
tmp = backup_state;
else
tmp = ssh_alloc_session_state();
backup_state = ssh;
ssh = tmp;
}
| DoS Overflow | 0 | ssh_packet_backup_state(struct ssh *ssh,
struct ssh *backup_state)
{
struct ssh *tmp;
close(ssh->state->connection_in);
ssh->state->connection_in = -1;
close(ssh->state->connection_out);
ssh->state->connection_out = -1;
if (backup_state)
tmp = backup_state;
else
tmp = ssh_alloc_session_state();
backup_state = ssh;
ssh = tmp;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,356 | ssh_packet_close(struct ssh *ssh)
{
struct session_state *state = ssh->state;
int r;
u_int mode;
if (!state->initialized)
return;
state->initialized = 0;
if (state->connection_in == state->connection_out) {
shutdown(state->connection_out, SHUT_RDWR);
close(state->connection_out);
} else {
close(state->connection_in);
close(state->connection_out);
}
sshbuf_free(state->input);
sshbuf_free(state->output);
sshbuf_free(state->outgoing_packet);
sshbuf_free(state->incoming_packet);
for (mode = 0; mode < MODE_MAX; mode++)
kex_free_newkeys(state->newkeys[mode]);
if (state->compression_buffer) {
sshbuf_free(state->compression_buffer);
if (state->compression_out_started) {
z_streamp stream = &state->compression_out_stream;
debug("compress outgoing: "
"raw data %llu, compressed %llu, factor %.2f",
(unsigned long long)stream->total_in,
(unsigned long long)stream->total_out,
stream->total_in == 0 ? 0.0 :
(double) stream->total_out / stream->total_in);
if (state->compression_out_failures == 0)
deflateEnd(stream);
}
if (state->compression_in_started) {
z_streamp stream = &state->compression_out_stream;
debug("compress incoming: "
"raw data %llu, compressed %llu, factor %.2f",
(unsigned long long)stream->total_out,
(unsigned long long)stream->total_in,
stream->total_out == 0 ? 0.0 :
(double) stream->total_in / stream->total_out);
if (state->compression_in_failures == 0)
inflateEnd(stream);
}
}
if ((r = cipher_cleanup(&state->send_context)) != 0)
error("%s: cipher_cleanup failed: %s", __func__, ssh_err(r));
if ((r = cipher_cleanup(&state->receive_context)) != 0)
error("%s: cipher_cleanup failed: %s", __func__, ssh_err(r));
if (ssh->remote_ipaddr) {
free(ssh->remote_ipaddr);
ssh->remote_ipaddr = NULL;
}
free(ssh->state);
ssh->state = NULL;
}
| DoS Overflow | 0 | ssh_packet_close(struct ssh *ssh)
{
struct session_state *state = ssh->state;
int r;
u_int mode;
if (!state->initialized)
return;
state->initialized = 0;
if (state->connection_in == state->connection_out) {
shutdown(state->connection_out, SHUT_RDWR);
close(state->connection_out);
} else {
close(state->connection_in);
close(state->connection_out);
}
sshbuf_free(state->input);
sshbuf_free(state->output);
sshbuf_free(state->outgoing_packet);
sshbuf_free(state->incoming_packet);
for (mode = 0; mode < MODE_MAX; mode++)
kex_free_newkeys(state->newkeys[mode]);
if (state->compression_buffer) {
sshbuf_free(state->compression_buffer);
if (state->compression_out_started) {
z_streamp stream = &state->compression_out_stream;
debug("compress outgoing: "
"raw data %llu, compressed %llu, factor %.2f",
(unsigned long long)stream->total_in,
(unsigned long long)stream->total_out,
stream->total_in == 0 ? 0.0 :
(double) stream->total_out / stream->total_in);
if (state->compression_out_failures == 0)
deflateEnd(stream);
}
if (state->compression_in_started) {
z_streamp stream = &state->compression_out_stream;
debug("compress incoming: "
"raw data %llu, compressed %llu, factor %.2f",
(unsigned long long)stream->total_out,
(unsigned long long)stream->total_in,
stream->total_out == 0 ? 0.0 :
(double) stream->total_in / stream->total_out);
if (state->compression_in_failures == 0)
inflateEnd(stream);
}
}
if ((r = cipher_cleanup(&state->send_context)) != 0)
error("%s: cipher_cleanup failed: %s", __func__, ssh_err(r));
if ((r = cipher_cleanup(&state->receive_context)) != 0)
error("%s: cipher_cleanup failed: %s", __func__, ssh_err(r));
if (ssh->remote_ipaddr) {
free(ssh->remote_ipaddr);
ssh->remote_ipaddr = NULL;
}
free(ssh->state);
ssh->state = NULL;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,357 | ssh_packet_connection_af(struct ssh *ssh)
{
struct sockaddr_storage to;
socklen_t tolen = sizeof(to);
memset(&to, 0, sizeof(to));
if (getsockname(ssh->state->connection_out, (struct sockaddr *)&to,
&tolen) < 0)
return 0;
#ifdef IPV4_IN_IPV6
if (to.ss_family == AF_INET6 &&
IN6_IS_ADDR_V4MAPPED(&((struct sockaddr_in6 *)&to)->sin6_addr))
return AF_INET;
#endif
return to.ss_family;
}
| DoS Overflow | 0 | ssh_packet_connection_af(struct ssh *ssh)
{
struct sockaddr_storage to;
socklen_t tolen = sizeof(to);
memset(&to, 0, sizeof(to));
if (getsockname(ssh->state->connection_out, (struct sockaddr *)&to,
&tolen) < 0)
return 0;
#ifdef IPV4_IN_IPV6
if (to.ss_family == AF_INET6 &&
IN6_IS_ADDR_V4MAPPED(&((struct sockaddr_in6 *)&to)->sin6_addr))
return AF_INET;
#endif
return to.ss_family;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,358 | ssh_packet_connection_is_on_socket(struct ssh *ssh)
{
struct session_state *state = ssh->state;
struct sockaddr_storage from, to;
socklen_t fromlen, tolen;
/* filedescriptors in and out are the same, so it's a socket */
if (state->connection_in == state->connection_out)
return 1;
fromlen = sizeof(from);
memset(&from, 0, sizeof(from));
if (getpeername(state->connection_in, (struct sockaddr *)&from,
&fromlen) < 0)
return 0;
tolen = sizeof(to);
memset(&to, 0, sizeof(to));
if (getpeername(state->connection_out, (struct sockaddr *)&to,
&tolen) < 0)
return 0;
if (fromlen != tolen || memcmp(&from, &to, fromlen) != 0)
return 0;
if (from.ss_family != AF_INET && from.ss_family != AF_INET6)
return 0;
return 1;
}
| DoS Overflow | 0 | ssh_packet_connection_is_on_socket(struct ssh *ssh)
{
struct session_state *state = ssh->state;
struct sockaddr_storage from, to;
socklen_t fromlen, tolen;
/* filedescriptors in and out are the same, so it's a socket */
if (state->connection_in == state->connection_out)
return 1;
fromlen = sizeof(from);
memset(&from, 0, sizeof(from));
if (getpeername(state->connection_in, (struct sockaddr *)&from,
&fromlen) < 0)
return 0;
tolen = sizeof(to);
memset(&to, 0, sizeof(to));
if (getpeername(state->connection_out, (struct sockaddr *)&to,
&tolen) < 0)
return 0;
if (fromlen != tolen || memcmp(&from, &to, fromlen) != 0)
return 0;
if (from.ss_family != AF_INET && from.ss_family != AF_INET6)
return 0;
return 1;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,359 | ssh_packet_disconnect(struct ssh *ssh, const char *fmt,...)
{
char buf[1024];
va_list args;
static int disconnecting = 0;
int r;
if (disconnecting) /* Guard against recursive invocations. */
fatal("packet_disconnect called recursively.");
disconnecting = 1;
/*
* Format the message. Note that the caller must make sure the
* message is of limited size.
*/
va_start(args, fmt);
vsnprintf(buf, sizeof(buf), fmt, args);
va_end(args);
/* Display the error locally */
logit("Disconnecting: %.100s", buf);
/*
* Send the disconnect message to the other side, and wait
* for it to get sent.
*/
if ((r = sshpkt_disconnect(ssh, "%s", buf)) != 0)
sshpkt_fatal(ssh, __func__, r);
if ((r = ssh_packet_write_wait(ssh)) != 0)
sshpkt_fatal(ssh, __func__, r);
/* Close the connection. */
ssh_packet_close(ssh);
cleanup_exit(255);
}
| DoS Overflow | 0 | ssh_packet_disconnect(struct ssh *ssh, const char *fmt,...)
{
char buf[1024];
va_list args;
static int disconnecting = 0;
int r;
if (disconnecting) /* Guard against recursive invocations. */
fatal("packet_disconnect called recursively.");
disconnecting = 1;
/*
* Format the message. Note that the caller must make sure the
* message is of limited size.
*/
va_start(args, fmt);
vsnprintf(buf, sizeof(buf), fmt, args);
va_end(args);
/* Display the error locally */
logit("Disconnecting: %.100s", buf);
/*
* Send the disconnect message to the other side, and wait
* for it to get sent.
*/
if ((r = sshpkt_disconnect(ssh, "%s", buf)) != 0)
sshpkt_fatal(ssh, __func__, r);
if ((r = ssh_packet_write_wait(ssh)) != 0)
sshpkt_fatal(ssh, __func__, r);
/* Close the connection. */
ssh_packet_close(ssh);
cleanup_exit(255);
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,360 | ssh_packet_enable_delayed_compress(struct ssh *ssh)
{
struct session_state *state = ssh->state;
struct sshcomp *comp = NULL;
int r, mode;
/*
* Remember that we are past the authentication step, so rekeying
* with COMP_DELAYED will turn on compression immediately.
*/
state->after_authentication = 1;
for (mode = 0; mode < MODE_MAX; mode++) {
/* protocol error: USERAUTH_SUCCESS received before NEWKEYS */
if (state->newkeys[mode] == NULL)
continue;
comp = &state->newkeys[mode]->comp;
if (comp && !comp->enabled && comp->type == COMP_DELAYED) {
if ((r = ssh_packet_init_compression(ssh)) != 0)
return r;
if (mode == MODE_OUT) {
if ((r = start_compression_out(ssh, 6)) != 0)
return r;
} else {
if ((r = start_compression_in(ssh)) != 0)
return r;
}
comp->enabled = 1;
}
}
return 0;
}
| DoS Overflow | 0 | ssh_packet_enable_delayed_compress(struct ssh *ssh)
{
struct session_state *state = ssh->state;
struct sshcomp *comp = NULL;
int r, mode;
/*
* Remember that we are past the authentication step, so rekeying
* with COMP_DELAYED will turn on compression immediately.
*/
state->after_authentication = 1;
for (mode = 0; mode < MODE_MAX; mode++) {
/* protocol error: USERAUTH_SUCCESS received before NEWKEYS */
if (state->newkeys[mode] == NULL)
continue;
comp = &state->newkeys[mode]->comp;
if (comp && !comp->enabled && comp->type == COMP_DELAYED) {
if ((r = ssh_packet_init_compression(ssh)) != 0)
return r;
if (mode == MODE_OUT) {
if ((r = start_compression_out(ssh, 6)) != 0)
return r;
} else {
if ((r = start_compression_in(ssh)) != 0)
return r;
}
comp->enabled = 1;
}
}
return 0;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,361 | ssh_packet_get_bytes(struct ssh *ssh, u_int64_t *ibytes, u_int64_t *obytes)
{
if (ibytes)
*ibytes = ssh->state->p_read.bytes;
if (obytes)
*obytes = ssh->state->p_send.bytes;
}
| DoS Overflow | 0 | ssh_packet_get_bytes(struct ssh *ssh, u_int64_t *ibytes, u_int64_t *obytes)
{
if (ibytes)
*ibytes = ssh->state->p_read.bytes;
if (obytes)
*obytes = ssh->state->p_send.bytes;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,362 | ssh_packet_get_compress_state(struct sshbuf *m, struct ssh *ssh)
{
struct session_state *state = ssh->state;
struct sshbuf *b;
int r;
if ((b = sshbuf_new()) == NULL)
return SSH_ERR_ALLOC_FAIL;
if (state->compression_in_started) {
if ((r = sshbuf_put_string(b, &state->compression_in_stream,
sizeof(state->compression_in_stream))) != 0)
goto out;
} else if ((r = sshbuf_put_string(b, NULL, 0)) != 0)
goto out;
if (state->compression_out_started) {
if ((r = sshbuf_put_string(b, &state->compression_out_stream,
sizeof(state->compression_out_stream))) != 0)
goto out;
} else if ((r = sshbuf_put_string(b, NULL, 0)) != 0)
goto out;
r = sshbuf_put_stringb(m, b);
out:
sshbuf_free(b);
return r;
}
| DoS Overflow | 0 | ssh_packet_get_compress_state(struct sshbuf *m, struct ssh *ssh)
{
struct session_state *state = ssh->state;
struct sshbuf *b;
int r;
if ((b = sshbuf_new()) == NULL)
return SSH_ERR_ALLOC_FAIL;
if (state->compression_in_started) {
if ((r = sshbuf_put_string(b, &state->compression_in_stream,
sizeof(state->compression_in_stream))) != 0)
goto out;
} else if ((r = sshbuf_put_string(b, NULL, 0)) != 0)
goto out;
if (state->compression_out_started) {
if ((r = sshbuf_put_string(b, &state->compression_out_stream,
sizeof(state->compression_out_stream))) != 0)
goto out;
} else if ((r = sshbuf_put_string(b, NULL, 0)) != 0)
goto out;
r = sshbuf_put_stringb(m, b);
out:
sshbuf_free(b);
return r;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,363 | ssh_packet_get_connection_in(struct ssh *ssh)
{
return ssh->state->connection_in;
}
| DoS Overflow | 0 | ssh_packet_get_connection_in(struct ssh *ssh)
{
return ssh->state->connection_in;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,364 | ssh_packet_get_input(struct ssh *ssh)
{
return (void *)ssh->state->input;
}
| DoS Overflow | 0 | ssh_packet_get_input(struct ssh *ssh)
{
return (void *)ssh->state->input;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,365 | ssh_packet_get_output(struct ssh *ssh)
{
return (void *)ssh->state->output;
}
| DoS Overflow | 0 | ssh_packet_get_output(struct ssh *ssh)
{
return (void *)ssh->state->output;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,366 | ssh_packet_get_protocol_flags(struct ssh *ssh)
{
return ssh->state->remote_protocol_flags;
}
| DoS Overflow | 0 | ssh_packet_get_protocol_flags(struct ssh *ssh)
{
return ssh->state->remote_protocol_flags;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,367 | ssh_packet_have_data_to_write(struct ssh *ssh)
{
return sshbuf_len(ssh->state->output) != 0;
}
| DoS Overflow | 0 | ssh_packet_have_data_to_write(struct ssh *ssh)
{
return sshbuf_len(ssh->state->output) != 0;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,368 | ssh_packet_inc_alive_timeouts(struct ssh *ssh)
{
return ++ssh->state->keep_alive_timeouts;
}
| DoS Overflow | 0 | ssh_packet_inc_alive_timeouts(struct ssh *ssh)
{
return ++ssh->state->keep_alive_timeouts;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,369 | ssh_packet_init_compression(struct ssh *ssh)
{
if (!ssh->state->compression_buffer &&
((ssh->state->compression_buffer = sshbuf_new()) == NULL))
return SSH_ERR_ALLOC_FAIL;
return 0;
}
| DoS Overflow | 0 | ssh_packet_init_compression(struct ssh *ssh)
{
if (!ssh->state->compression_buffer &&
((ssh->state->compression_buffer = sshbuf_new()) == NULL))
return SSH_ERR_ALLOC_FAIL;
return 0;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,370 | ssh_packet_is_interactive(struct ssh *ssh)
{
return ssh->state->interactive_mode;
}
| DoS Overflow | 0 | ssh_packet_is_interactive(struct ssh *ssh)
{
return ssh->state->interactive_mode;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,371 | ssh_packet_need_rekeying(struct ssh *ssh)
{
struct session_state *state = ssh->state;
if (ssh->compat & SSH_BUG_NOREKEY)
return 0;
return
(state->p_send.packets > MAX_PACKETS) ||
(state->p_read.packets > MAX_PACKETS) ||
(state->max_blocks_out &&
(state->p_send.blocks > state->max_blocks_out)) ||
(state->max_blocks_in &&
(state->p_read.blocks > state->max_blocks_in)) ||
(state->rekey_interval != 0 && state->rekey_time +
state->rekey_interval <= monotime());
}
| DoS Overflow | 0 | ssh_packet_need_rekeying(struct ssh *ssh)
{
struct session_state *state = ssh->state;
if (ssh->compat & SSH_BUG_NOREKEY)
return 0;
return
(state->p_send.packets > MAX_PACKETS) ||
(state->p_read.packets > MAX_PACKETS) ||
(state->max_blocks_out &&
(state->p_send.blocks > state->max_blocks_out)) ||
(state->max_blocks_in &&
(state->p_read.blocks > state->max_blocks_in)) ||
(state->rekey_interval != 0 && state->rekey_time +
state->rekey_interval <= monotime());
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,372 | ssh_packet_not_very_much_data_to_write(struct ssh *ssh)
{
if (ssh->state->interactive_mode)
return sshbuf_len(ssh->state->output) < 16384;
else
return sshbuf_len(ssh->state->output) < 128 * 1024;
}
| DoS Overflow | 0 | ssh_packet_not_very_much_data_to_write(struct ssh *ssh)
{
if (ssh->state->interactive_mode)
return sshbuf_len(ssh->state->output) < 16384;
else
return sshbuf_len(ssh->state->output) < 128 * 1024;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,373 | ssh_packet_process_incoming(struct ssh *ssh, const char *buf, u_int len)
{
struct session_state *state = ssh->state;
int r;
if (state->packet_discard) {
state->keep_alive_timeouts = 0; /* ?? */
if (len >= state->packet_discard) {
if ((r = ssh_packet_stop_discard(ssh)) != 0)
return r;
}
state->packet_discard -= len;
return 0;
}
if ((r = sshbuf_put(ssh->state->input, buf, len)) != 0)
return r;
return 0;
}
| DoS Overflow | 0 | ssh_packet_process_incoming(struct ssh *ssh, const char *buf, u_int len)
{
struct session_state *state = ssh->state;
int r;
if (state->packet_discard) {
state->keep_alive_timeouts = 0; /* ?? */
if (len >= state->packet_discard) {
if ((r = ssh_packet_stop_discard(ssh)) != 0)
return r;
}
state->packet_discard -= len;
return 0;
}
if ((r = sshbuf_put(ssh->state->input, buf, len)) != 0)
return r;
return 0;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,374 | ssh_packet_read(struct ssh *ssh)
{
u_char type;
int r;
if ((r = ssh_packet_read_seqnr(ssh, &type, NULL)) != 0)
fatal("%s: %s", __func__, ssh_err(r));
return type;
}
| DoS Overflow | 0 | ssh_packet_read(struct ssh *ssh)
{
u_char type;
int r;
if ((r = ssh_packet_read_seqnr(ssh, &type, NULL)) != 0)
fatal("%s: %s", __func__, ssh_err(r));
return type;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,375 | ssh_packet_read_expect(struct ssh *ssh, u_int expected_type)
{
int r;
u_char type;
if ((r = ssh_packet_read_seqnr(ssh, &type, NULL)) != 0)
return r;
if (type != expected_type) {
if ((r = sshpkt_disconnect(ssh,
"Protocol error: expected packet type %d, got %d",
expected_type, type)) != 0)
return r;
return SSH_ERR_PROTOCOL_ERROR;
}
return 0;
}
| DoS Overflow | 0 | ssh_packet_read_expect(struct ssh *ssh, u_int expected_type)
{
int r;
u_char type;
if ((r = ssh_packet_read_seqnr(ssh, &type, NULL)) != 0)
return r;
if (type != expected_type) {
if ((r = sshpkt_disconnect(ssh,
"Protocol error: expected packet type %d, got %d",
expected_type, type)) != 0)
return r;
return SSH_ERR_PROTOCOL_ERROR;
}
return 0;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,376 | ssh_packet_read_poll1(struct ssh *ssh, u_char *typep)
{
struct session_state *state = ssh->state;
u_int len, padded_len;
const char *emsg;
const u_char *cp;
u_char *p;
u_int checksum, stored_checksum;
int r;
*typep = SSH_MSG_NONE;
/* Check if input size is less than minimum packet size. */
if (sshbuf_len(state->input) < 4 + 8)
return 0;
/* Get length of incoming packet. */
len = PEEK_U32(sshbuf_ptr(state->input));
if (len < 1 + 2 + 2 || len > 256 * 1024) {
if ((r = sshpkt_disconnect(ssh, "Bad packet length %u",
len)) != 0)
return r;
return SSH_ERR_CONN_CORRUPT;
}
padded_len = (len + 8) & ~7;
/* Check if the packet has been entirely received. */
if (sshbuf_len(state->input) < 4 + padded_len)
return 0;
/* The entire packet is in buffer. */
/* Consume packet length. */
if ((r = sshbuf_consume(state->input, 4)) != 0)
goto out;
/*
* Cryptographic attack detector for ssh
* (C)1998 CORE-SDI, Buenos Aires Argentina
* Ariel Futoransky(futo@core-sdi.com)
*/
if (!state->receive_context.plaintext) {
emsg = NULL;
switch (detect_attack(&state->deattack,
sshbuf_ptr(state->input), padded_len)) {
case DEATTACK_OK:
break;
case DEATTACK_DETECTED:
emsg = "crc32 compensation attack detected";
break;
case DEATTACK_DOS_DETECTED:
emsg = "deattack denial of service detected";
break;
default:
emsg = "deattack error";
break;
}
if (emsg != NULL) {
error("%s", emsg);
if ((r = sshpkt_disconnect(ssh, "%s", emsg)) != 0 ||
(r = ssh_packet_write_wait(ssh)) != 0)
return r;
return SSH_ERR_CONN_CORRUPT;
}
}
/* Decrypt data to incoming_packet. */
sshbuf_reset(state->incoming_packet);
if ((r = sshbuf_reserve(state->incoming_packet, padded_len, &p)) != 0)
goto out;
if ((r = cipher_crypt(&state->receive_context, 0, p,
sshbuf_ptr(state->input), padded_len, 0, 0)) != 0)
goto out;
if ((r = sshbuf_consume(state->input, padded_len)) != 0)
goto out;
#ifdef PACKET_DEBUG
fprintf(stderr, "read_poll plain: ");
sshbuf_dump(state->incoming_packet, stderr);
#endif
/* Compute packet checksum. */
checksum = ssh_crc32(sshbuf_ptr(state->incoming_packet),
sshbuf_len(state->incoming_packet) - 4);
/* Skip padding. */
if ((r = sshbuf_consume(state->incoming_packet, 8 - len % 8)) != 0)
goto out;
/* Test check bytes. */
if (len != sshbuf_len(state->incoming_packet)) {
error("%s: len %d != sshbuf_len %zd", __func__,
len, sshbuf_len(state->incoming_packet));
if ((r = sshpkt_disconnect(ssh, "invalid packet length")) != 0 ||
(r = ssh_packet_write_wait(ssh)) != 0)
return r;
return SSH_ERR_CONN_CORRUPT;
}
cp = sshbuf_ptr(state->incoming_packet) + len - 4;
stored_checksum = PEEK_U32(cp);
if (checksum != stored_checksum) {
error("Corrupted check bytes on input");
if ((r = sshpkt_disconnect(ssh, "connection corrupted")) != 0 ||
(r = ssh_packet_write_wait(ssh)) != 0)
return r;
return SSH_ERR_CONN_CORRUPT;
}
if ((r = sshbuf_consume_end(state->incoming_packet, 4)) < 0)
goto out;
if (state->packet_compression) {
sshbuf_reset(state->compression_buffer);
if ((r = uncompress_buffer(ssh, state->incoming_packet,
state->compression_buffer)) != 0)
goto out;
sshbuf_reset(state->incoming_packet);
if ((r = sshbuf_putb(state->incoming_packet,
state->compression_buffer)) != 0)
goto out;
}
state->p_read.packets++;
state->p_read.bytes += padded_len + 4;
if ((r = sshbuf_get_u8(state->incoming_packet, typep)) != 0)
goto out;
if (*typep < SSH_MSG_MIN || *typep > SSH_MSG_MAX) {
error("Invalid ssh1 packet type: %d", *typep);
if ((r = sshpkt_disconnect(ssh, "invalid packet type")) != 0 ||
(r = ssh_packet_write_wait(ssh)) != 0)
return r;
return SSH_ERR_PROTOCOL_ERROR;
}
r = 0;
out:
return r;
}
| DoS Overflow | 0 | ssh_packet_read_poll1(struct ssh *ssh, u_char *typep)
{
struct session_state *state = ssh->state;
u_int len, padded_len;
const char *emsg;
const u_char *cp;
u_char *p;
u_int checksum, stored_checksum;
int r;
*typep = SSH_MSG_NONE;
/* Check if input size is less than minimum packet size. */
if (sshbuf_len(state->input) < 4 + 8)
return 0;
/* Get length of incoming packet. */
len = PEEK_U32(sshbuf_ptr(state->input));
if (len < 1 + 2 + 2 || len > 256 * 1024) {
if ((r = sshpkt_disconnect(ssh, "Bad packet length %u",
len)) != 0)
return r;
return SSH_ERR_CONN_CORRUPT;
}
padded_len = (len + 8) & ~7;
/* Check if the packet has been entirely received. */
if (sshbuf_len(state->input) < 4 + padded_len)
return 0;
/* The entire packet is in buffer. */
/* Consume packet length. */
if ((r = sshbuf_consume(state->input, 4)) != 0)
goto out;
/*
* Cryptographic attack detector for ssh
* (C)1998 CORE-SDI, Buenos Aires Argentina
* Ariel Futoransky(futo@core-sdi.com)
*/
if (!state->receive_context.plaintext) {
emsg = NULL;
switch (detect_attack(&state->deattack,
sshbuf_ptr(state->input), padded_len)) {
case DEATTACK_OK:
break;
case DEATTACK_DETECTED:
emsg = "crc32 compensation attack detected";
break;
case DEATTACK_DOS_DETECTED:
emsg = "deattack denial of service detected";
break;
default:
emsg = "deattack error";
break;
}
if (emsg != NULL) {
error("%s", emsg);
if ((r = sshpkt_disconnect(ssh, "%s", emsg)) != 0 ||
(r = ssh_packet_write_wait(ssh)) != 0)
return r;
return SSH_ERR_CONN_CORRUPT;
}
}
/* Decrypt data to incoming_packet. */
sshbuf_reset(state->incoming_packet);
if ((r = sshbuf_reserve(state->incoming_packet, padded_len, &p)) != 0)
goto out;
if ((r = cipher_crypt(&state->receive_context, 0, p,
sshbuf_ptr(state->input), padded_len, 0, 0)) != 0)
goto out;
if ((r = sshbuf_consume(state->input, padded_len)) != 0)
goto out;
#ifdef PACKET_DEBUG
fprintf(stderr, "read_poll plain: ");
sshbuf_dump(state->incoming_packet, stderr);
#endif
/* Compute packet checksum. */
checksum = ssh_crc32(sshbuf_ptr(state->incoming_packet),
sshbuf_len(state->incoming_packet) - 4);
/* Skip padding. */
if ((r = sshbuf_consume(state->incoming_packet, 8 - len % 8)) != 0)
goto out;
/* Test check bytes. */
if (len != sshbuf_len(state->incoming_packet)) {
error("%s: len %d != sshbuf_len %zd", __func__,
len, sshbuf_len(state->incoming_packet));
if ((r = sshpkt_disconnect(ssh, "invalid packet length")) != 0 ||
(r = ssh_packet_write_wait(ssh)) != 0)
return r;
return SSH_ERR_CONN_CORRUPT;
}
cp = sshbuf_ptr(state->incoming_packet) + len - 4;
stored_checksum = PEEK_U32(cp);
if (checksum != stored_checksum) {
error("Corrupted check bytes on input");
if ((r = sshpkt_disconnect(ssh, "connection corrupted")) != 0 ||
(r = ssh_packet_write_wait(ssh)) != 0)
return r;
return SSH_ERR_CONN_CORRUPT;
}
if ((r = sshbuf_consume_end(state->incoming_packet, 4)) < 0)
goto out;
if (state->packet_compression) {
sshbuf_reset(state->compression_buffer);
if ((r = uncompress_buffer(ssh, state->incoming_packet,
state->compression_buffer)) != 0)
goto out;
sshbuf_reset(state->incoming_packet);
if ((r = sshbuf_putb(state->incoming_packet,
state->compression_buffer)) != 0)
goto out;
}
state->p_read.packets++;
state->p_read.bytes += padded_len + 4;
if ((r = sshbuf_get_u8(state->incoming_packet, typep)) != 0)
goto out;
if (*typep < SSH_MSG_MIN || *typep > SSH_MSG_MAX) {
error("Invalid ssh1 packet type: %d", *typep);
if ((r = sshpkt_disconnect(ssh, "invalid packet type")) != 0 ||
(r = ssh_packet_write_wait(ssh)) != 0)
return r;
return SSH_ERR_PROTOCOL_ERROR;
}
r = 0;
out:
return r;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,377 | ssh_packet_restore_state(struct ssh *ssh,
struct ssh *backup_state)
{
struct ssh *tmp;
u_int len;
int r;
tmp = backup_state;
backup_state = ssh;
ssh = tmp;
ssh->state->connection_in = backup_state->state->connection_in;
backup_state->state->connection_in = -1;
ssh->state->connection_out = backup_state->state->connection_out;
backup_state->state->connection_out = -1;
len = sshbuf_len(backup_state->state->input);
if (len > 0) {
if ((r = sshbuf_putb(ssh->state->input,
backup_state->state->input)) != 0)
fatal("%s: %s", __func__, ssh_err(r));
sshbuf_reset(backup_state->state->input);
add_recv_bytes(len);
}
}
| DoS Overflow | 0 | ssh_packet_restore_state(struct ssh *ssh,
struct ssh *backup_state)
{
struct ssh *tmp;
u_int len;
int r;
tmp = backup_state;
backup_state = ssh;
ssh = tmp;
ssh->state->connection_in = backup_state->state->connection_in;
backup_state->state->connection_in = -1;
ssh->state->connection_out = backup_state->state->connection_out;
backup_state->state->connection_out = -1;
len = sshbuf_len(backup_state->state->input);
if (len > 0) {
if ((r = sshbuf_putb(ssh->state->input,
backup_state->state->input)) != 0)
fatal("%s: %s", __func__, ssh_err(r));
sshbuf_reset(backup_state->state->input);
add_recv_bytes(len);
}
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,378 | ssh_packet_send1(struct ssh *ssh)
{
struct session_state *state = ssh->state;
u_char buf[8], *cp;
int r, padding, len;
u_int checksum;
/*
* If using packet compression, compress the payload of the outgoing
* packet.
*/
if (state->packet_compression) {
sshbuf_reset(state->compression_buffer);
/* Skip padding. */
if ((r = sshbuf_consume(state->outgoing_packet, 8)) != 0)
goto out;
/* padding */
if ((r = sshbuf_put(state->compression_buffer,
"\0\0\0\0\0\0\0\0", 8)) != 0)
goto out;
if ((r = compress_buffer(ssh, state->outgoing_packet,
state->compression_buffer)) != 0)
goto out;
sshbuf_reset(state->outgoing_packet);
if ((r = sshbuf_putb(state->outgoing_packet,
state->compression_buffer)) != 0)
goto out;
}
/* Compute packet length without padding (add checksum, remove padding). */
len = sshbuf_len(state->outgoing_packet) + 4 - 8;
/* Insert padding. Initialized to zero in packet_start1() */
padding = 8 - len % 8;
if (!state->send_context.plaintext) {
cp = sshbuf_mutable_ptr(state->outgoing_packet);
if (cp == NULL) {
r = SSH_ERR_INTERNAL_ERROR;
goto out;
}
arc4random_buf(cp + 8 - padding, padding);
}
if ((r = sshbuf_consume(state->outgoing_packet, 8 - padding)) != 0)
goto out;
/* Add check bytes. */
checksum = ssh_crc32(sshbuf_ptr(state->outgoing_packet),
sshbuf_len(state->outgoing_packet));
POKE_U32(buf, checksum);
if ((r = sshbuf_put(state->outgoing_packet, buf, 4)) != 0)
goto out;
#ifdef PACKET_DEBUG
fprintf(stderr, "packet_send plain: ");
sshbuf_dump(state->outgoing_packet, stderr);
#endif
/* Append to output. */
POKE_U32(buf, len);
if ((r = sshbuf_put(state->output, buf, 4)) != 0)
goto out;
if ((r = sshbuf_reserve(state->output,
sshbuf_len(state->outgoing_packet), &cp)) != 0)
goto out;
if ((r = cipher_crypt(&state->send_context, 0, cp,
sshbuf_ptr(state->outgoing_packet),
sshbuf_len(state->outgoing_packet), 0, 0)) != 0)
goto out;
#ifdef PACKET_DEBUG
fprintf(stderr, "encrypted: ");
sshbuf_dump(state->output, stderr);
#endif
state->p_send.packets++;
state->p_send.bytes += len +
sshbuf_len(state->outgoing_packet);
sshbuf_reset(state->outgoing_packet);
/*
* Note that the packet is now only buffered in output. It won't be
* actually sent until ssh_packet_write_wait or ssh_packet_write_poll
* is called.
*/
r = 0;
out:
return r;
}
| DoS Overflow | 0 | ssh_packet_send1(struct ssh *ssh)
{
struct session_state *state = ssh->state;
u_char buf[8], *cp;
int r, padding, len;
u_int checksum;
/*
* If using packet compression, compress the payload of the outgoing
* packet.
*/
if (state->packet_compression) {
sshbuf_reset(state->compression_buffer);
/* Skip padding. */
if ((r = sshbuf_consume(state->outgoing_packet, 8)) != 0)
goto out;
/* padding */
if ((r = sshbuf_put(state->compression_buffer,
"\0\0\0\0\0\0\0\0", 8)) != 0)
goto out;
if ((r = compress_buffer(ssh, state->outgoing_packet,
state->compression_buffer)) != 0)
goto out;
sshbuf_reset(state->outgoing_packet);
if ((r = sshbuf_putb(state->outgoing_packet,
state->compression_buffer)) != 0)
goto out;
}
/* Compute packet length without padding (add checksum, remove padding). */
len = sshbuf_len(state->outgoing_packet) + 4 - 8;
/* Insert padding. Initialized to zero in packet_start1() */
padding = 8 - len % 8;
if (!state->send_context.plaintext) {
cp = sshbuf_mutable_ptr(state->outgoing_packet);
if (cp == NULL) {
r = SSH_ERR_INTERNAL_ERROR;
goto out;
}
arc4random_buf(cp + 8 - padding, padding);
}
if ((r = sshbuf_consume(state->outgoing_packet, 8 - padding)) != 0)
goto out;
/* Add check bytes. */
checksum = ssh_crc32(sshbuf_ptr(state->outgoing_packet),
sshbuf_len(state->outgoing_packet));
POKE_U32(buf, checksum);
if ((r = sshbuf_put(state->outgoing_packet, buf, 4)) != 0)
goto out;
#ifdef PACKET_DEBUG
fprintf(stderr, "packet_send plain: ");
sshbuf_dump(state->outgoing_packet, stderr);
#endif
/* Append to output. */
POKE_U32(buf, len);
if ((r = sshbuf_put(state->output, buf, 4)) != 0)
goto out;
if ((r = sshbuf_reserve(state->output,
sshbuf_len(state->outgoing_packet), &cp)) != 0)
goto out;
if ((r = cipher_crypt(&state->send_context, 0, cp,
sshbuf_ptr(state->outgoing_packet),
sshbuf_len(state->outgoing_packet), 0, 0)) != 0)
goto out;
#ifdef PACKET_DEBUG
fprintf(stderr, "encrypted: ");
sshbuf_dump(state->output, stderr);
#endif
state->p_send.packets++;
state->p_send.bytes += len +
sshbuf_len(state->outgoing_packet);
sshbuf_reset(state->outgoing_packet);
/*
* Note that the packet is now only buffered in output. It won't be
* actually sent until ssh_packet_write_wait or ssh_packet_write_poll
* is called.
*/
r = 0;
out:
return r;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,379 | ssh_packet_send2(struct ssh *ssh)
{
struct session_state *state = ssh->state;
struct packet *p;
u_char type;
int r;
type = sshbuf_ptr(state->outgoing_packet)[5];
/* during rekeying we can only send key exchange messages */
if (state->rekeying) {
if ((type < SSH2_MSG_TRANSPORT_MIN) ||
(type > SSH2_MSG_TRANSPORT_MAX) ||
(type == SSH2_MSG_SERVICE_REQUEST) ||
(type == SSH2_MSG_SERVICE_ACCEPT)) {
debug("enqueue packet: %u", type);
p = calloc(1, sizeof(*p));
if (p == NULL)
return SSH_ERR_ALLOC_FAIL;
p->type = type;
p->payload = state->outgoing_packet;
TAILQ_INSERT_TAIL(&state->outgoing, p, next);
state->outgoing_packet = sshbuf_new();
if (state->outgoing_packet == NULL)
return SSH_ERR_ALLOC_FAIL;
return 0;
}
}
/* rekeying starts with sending KEXINIT */
if (type == SSH2_MSG_KEXINIT)
state->rekeying = 1;
if ((r = ssh_packet_send2_wrapped(ssh)) != 0)
return r;
/* after a NEWKEYS message we can send the complete queue */
if (type == SSH2_MSG_NEWKEYS) {
state->rekeying = 0;
state->rekey_time = monotime();
while ((p = TAILQ_FIRST(&state->outgoing))) {
type = p->type;
debug("dequeue packet: %u", type);
sshbuf_free(state->outgoing_packet);
state->outgoing_packet = p->payload;
TAILQ_REMOVE(&state->outgoing, p, next);
free(p);
if ((r = ssh_packet_send2_wrapped(ssh)) != 0)
return r;
}
}
return 0;
}
| DoS Overflow | 0 | ssh_packet_send2(struct ssh *ssh)
{
struct session_state *state = ssh->state;
struct packet *p;
u_char type;
int r;
type = sshbuf_ptr(state->outgoing_packet)[5];
/* during rekeying we can only send key exchange messages */
if (state->rekeying) {
if ((type < SSH2_MSG_TRANSPORT_MIN) ||
(type > SSH2_MSG_TRANSPORT_MAX) ||
(type == SSH2_MSG_SERVICE_REQUEST) ||
(type == SSH2_MSG_SERVICE_ACCEPT)) {
debug("enqueue packet: %u", type);
p = calloc(1, sizeof(*p));
if (p == NULL)
return SSH_ERR_ALLOC_FAIL;
p->type = type;
p->payload = state->outgoing_packet;
TAILQ_INSERT_TAIL(&state->outgoing, p, next);
state->outgoing_packet = sshbuf_new();
if (state->outgoing_packet == NULL)
return SSH_ERR_ALLOC_FAIL;
return 0;
}
}
/* rekeying starts with sending KEXINIT */
if (type == SSH2_MSG_KEXINIT)
state->rekeying = 1;
if ((r = ssh_packet_send2_wrapped(ssh)) != 0)
return r;
/* after a NEWKEYS message we can send the complete queue */
if (type == SSH2_MSG_NEWKEYS) {
state->rekeying = 0;
state->rekey_time = monotime();
while ((p = TAILQ_FIRST(&state->outgoing))) {
type = p->type;
debug("dequeue packet: %u", type);
sshbuf_free(state->outgoing_packet);
state->outgoing_packet = p->payload;
TAILQ_REMOVE(&state->outgoing, p, next);
free(p);
if ((r = ssh_packet_send2_wrapped(ssh)) != 0)
return r;
}
}
return 0;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,380 | ssh_packet_send_debug(struct ssh *ssh, const char *fmt,...)
{
char buf[1024];
va_list args;
int r;
if (compat20 && (ssh->compat & SSH_BUG_DEBUG))
return;
va_start(args, fmt);
vsnprintf(buf, sizeof(buf), fmt, args);
va_end(args);
if (compat20) {
if ((r = sshpkt_start(ssh, SSH2_MSG_DEBUG)) != 0 ||
(r = sshpkt_put_u8(ssh, 0)) != 0 || /* always display */
(r = sshpkt_put_cstring(ssh, buf)) != 0 ||
(r = sshpkt_put_cstring(ssh, "")) != 0 ||
(r = sshpkt_send(ssh)) != 0)
fatal("%s: %s", __func__, ssh_err(r));
} else {
if ((r = sshpkt_start(ssh, SSH_MSG_DEBUG)) != 0 ||
(r = sshpkt_put_cstring(ssh, buf)) != 0 ||
(r = sshpkt_send(ssh)) != 0)
fatal("%s: %s", __func__, ssh_err(r));
}
if ((r = ssh_packet_write_wait(ssh)) != 0)
fatal("%s: %s", __func__, ssh_err(r));
}
| DoS Overflow | 0 | ssh_packet_send_debug(struct ssh *ssh, const char *fmt,...)
{
char buf[1024];
va_list args;
int r;
if (compat20 && (ssh->compat & SSH_BUG_DEBUG))
return;
va_start(args, fmt);
vsnprintf(buf, sizeof(buf), fmt, args);
va_end(args);
if (compat20) {
if ((r = sshpkt_start(ssh, SSH2_MSG_DEBUG)) != 0 ||
(r = sshpkt_put_u8(ssh, 0)) != 0 || /* always display */
(r = sshpkt_put_cstring(ssh, buf)) != 0 ||
(r = sshpkt_put_cstring(ssh, "")) != 0 ||
(r = sshpkt_send(ssh)) != 0)
fatal("%s: %s", __func__, ssh_err(r));
} else {
if ((r = sshpkt_start(ssh, SSH_MSG_DEBUG)) != 0 ||
(r = sshpkt_put_cstring(ssh, buf)) != 0 ||
(r = sshpkt_send(ssh)) != 0)
fatal("%s: %s", __func__, ssh_err(r));
}
if ((r = ssh_packet_write_wait(ssh)) != 0)
fatal("%s: %s", __func__, ssh_err(r));
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,381 | ssh_packet_send_ignore(struct ssh *ssh, int nbytes)
{
u_int32_t rnd = 0;
int r, i;
if ((r = sshpkt_start(ssh, compat20 ?
SSH2_MSG_IGNORE : SSH_MSG_IGNORE)) != 0 ||
(r = sshpkt_put_u32(ssh, nbytes)) != 0)
fatal("%s: %s", __func__, ssh_err(r));
for (i = 0; i < nbytes; i++) {
if (i % 4 == 0)
rnd = arc4random();
if ((r = sshpkt_put_u8(ssh, (u_char)rnd & 0xff)) != 0)
fatal("%s: %s", __func__, ssh_err(r));
rnd >>= 8;
}
}
| DoS Overflow | 0 | ssh_packet_send_ignore(struct ssh *ssh, int nbytes)
{
u_int32_t rnd = 0;
int r, i;
if ((r = sshpkt_start(ssh, compat20 ?
SSH2_MSG_IGNORE : SSH_MSG_IGNORE)) != 0 ||
(r = sshpkt_put_u32(ssh, nbytes)) != 0)
fatal("%s: %s", __func__, ssh_err(r));
for (i = 0; i < nbytes; i++) {
if (i % 4 == 0)
rnd = arc4random();
if ((r = sshpkt_put_u8(ssh, (u_char)rnd & 0xff)) != 0)
fatal("%s: %s", __func__, ssh_err(r));
rnd >>= 8;
}
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,382 | ssh_packet_set_alive_timeouts(struct ssh *ssh, int ka)
{
ssh->state->keep_alive_timeouts = ka;
}
| DoS Overflow | 0 | ssh_packet_set_alive_timeouts(struct ssh *ssh, int ka)
{
ssh->state->keep_alive_timeouts = ka;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,383 | ssh_packet_set_authenticated(struct ssh *ssh)
{
ssh->state->after_authentication = 1;
}
| DoS Overflow | 0 | ssh_packet_set_authenticated(struct ssh *ssh)
{
ssh->state->after_authentication = 1;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,384 | ssh_packet_set_compress_state(struct ssh *ssh, struct sshbuf *m)
{
struct session_state *state = ssh->state;
struct sshbuf *b = NULL;
int r;
const u_char *inblob, *outblob;
size_t inl, outl;
if ((r = sshbuf_froms(m, &b)) != 0)
goto out;
if ((r = sshbuf_get_string_direct(b, &inblob, &inl)) != 0 ||
(r = sshbuf_get_string_direct(b, &outblob, &outl)) != 0)
goto out;
if (inl == 0)
state->compression_in_started = 0;
else if (inl != sizeof(state->compression_in_stream)) {
r = SSH_ERR_INTERNAL_ERROR;
goto out;
} else {
state->compression_in_started = 1;
memcpy(&state->compression_in_stream, inblob, inl);
}
if (outl == 0)
state->compression_out_started = 0;
else if (outl != sizeof(state->compression_out_stream)) {
r = SSH_ERR_INTERNAL_ERROR;
goto out;
} else {
state->compression_out_started = 1;
memcpy(&state->compression_out_stream, outblob, outl);
}
r = 0;
out:
sshbuf_free(b);
return r;
}
| DoS Overflow | 0 | ssh_packet_set_compress_state(struct ssh *ssh, struct sshbuf *m)
{
struct session_state *state = ssh->state;
struct sshbuf *b = NULL;
int r;
const u_char *inblob, *outblob;
size_t inl, outl;
if ((r = sshbuf_froms(m, &b)) != 0)
goto out;
if ((r = sshbuf_get_string_direct(b, &inblob, &inl)) != 0 ||
(r = sshbuf_get_string_direct(b, &outblob, &outl)) != 0)
goto out;
if (inl == 0)
state->compression_in_started = 0;
else if (inl != sizeof(state->compression_in_stream)) {
r = SSH_ERR_INTERNAL_ERROR;
goto out;
} else {
state->compression_in_started = 1;
memcpy(&state->compression_in_stream, inblob, inl);
}
if (outl == 0)
state->compression_out_started = 0;
else if (outl != sizeof(state->compression_out_stream)) {
r = SSH_ERR_INTERNAL_ERROR;
goto out;
} else {
state->compression_out_started = 1;
memcpy(&state->compression_out_stream, outblob, outl);
}
r = 0;
out:
sshbuf_free(b);
return r;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,385 | ssh_packet_set_connection(struct ssh *ssh, int fd_in, int fd_out)
{
struct session_state *state;
const struct sshcipher *none = cipher_by_name("none");
int r;
if (none == NULL) {
error("%s: cannot load cipher 'none'", __func__);
return NULL;
}
if (ssh == NULL)
ssh = ssh_alloc_session_state();
if (ssh == NULL) {
error("%s: cound not allocate state", __func__);
return NULL;
}
state = ssh->state;
state->connection_in = fd_in;
state->connection_out = fd_out;
if ((r = cipher_init(&state->send_context, none,
(const u_char *)"", 0, NULL, 0, CIPHER_ENCRYPT)) != 0 ||
(r = cipher_init(&state->receive_context, none,
(const u_char *)"", 0, NULL, 0, CIPHER_DECRYPT)) != 0) {
error("%s: cipher_init failed: %s", __func__, ssh_err(r));
free(ssh);
return NULL;
}
state->newkeys[MODE_IN] = state->newkeys[MODE_OUT] = NULL;
deattack_init(&state->deattack);
/*
* Cache the IP address of the remote connection for use in error
* messages that might be generated after the connection has closed.
*/
(void)ssh_remote_ipaddr(ssh);
return ssh;
}
| DoS Overflow | 0 | ssh_packet_set_connection(struct ssh *ssh, int fd_in, int fd_out)
{
struct session_state *state;
const struct sshcipher *none = cipher_by_name("none");
int r;
if (none == NULL) {
error("%s: cannot load cipher 'none'", __func__);
return NULL;
}
if (ssh == NULL)
ssh = ssh_alloc_session_state();
if (ssh == NULL) {
error("%s: cound not allocate state", __func__);
return NULL;
}
state = ssh->state;
state->connection_in = fd_in;
state->connection_out = fd_out;
if ((r = cipher_init(&state->send_context, none,
(const u_char *)"", 0, NULL, 0, CIPHER_ENCRYPT)) != 0 ||
(r = cipher_init(&state->receive_context, none,
(const u_char *)"", 0, NULL, 0, CIPHER_DECRYPT)) != 0) {
error("%s: cipher_init failed: %s", __func__, ssh_err(r));
free(ssh);
return NULL;
}
state->newkeys[MODE_IN] = state->newkeys[MODE_OUT] = NULL;
deattack_init(&state->deattack);
/*
* Cache the IP address of the remote connection for use in error
* messages that might be generated after the connection has closed.
*/
(void)ssh_remote_ipaddr(ssh);
return ssh;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,386 | ssh_packet_set_encryption_key(struct ssh *ssh, const u_char *key, u_int keylen, int number)
{
#ifndef WITH_SSH1
fatal("no SSH protocol 1 support");
#else /* WITH_SSH1 */
struct session_state *state = ssh->state;
const struct sshcipher *cipher = cipher_by_number(number);
int r;
const char *wmsg;
if (cipher == NULL)
fatal("%s: unknown cipher number %d", __func__, number);
if (keylen < 20)
fatal("%s: keylen too small: %d", __func__, keylen);
if (keylen > SSH_SESSION_KEY_LENGTH)
fatal("%s: keylen too big: %d", __func__, keylen);
memcpy(state->ssh1_key, key, keylen);
state->ssh1_keylen = keylen;
if ((r = cipher_init(&state->send_context, cipher, key, keylen,
NULL, 0, CIPHER_ENCRYPT)) != 0 ||
(r = cipher_init(&state->receive_context, cipher, key, keylen,
NULL, 0, CIPHER_DECRYPT) != 0))
fatal("%s: cipher_init failed: %s", __func__, ssh_err(r));
if (!state->cipher_warning_done &&
((wmsg = cipher_warning_message(&state->send_context)) != NULL ||
(wmsg = cipher_warning_message(&state->send_context)) != NULL)) {
error("Warning: %s", wmsg);
state->cipher_warning_done = 1;
}
#endif /* WITH_SSH1 */
}
| DoS Overflow | 0 | ssh_packet_set_encryption_key(struct ssh *ssh, const u_char *key, u_int keylen, int number)
{
#ifndef WITH_SSH1
fatal("no SSH protocol 1 support");
#else /* WITH_SSH1 */
struct session_state *state = ssh->state;
const struct sshcipher *cipher = cipher_by_number(number);
int r;
const char *wmsg;
if (cipher == NULL)
fatal("%s: unknown cipher number %d", __func__, number);
if (keylen < 20)
fatal("%s: keylen too small: %d", __func__, keylen);
if (keylen > SSH_SESSION_KEY_LENGTH)
fatal("%s: keylen too big: %d", __func__, keylen);
memcpy(state->ssh1_key, key, keylen);
state->ssh1_keylen = keylen;
if ((r = cipher_init(&state->send_context, cipher, key, keylen,
NULL, 0, CIPHER_ENCRYPT)) != 0 ||
(r = cipher_init(&state->receive_context, cipher, key, keylen,
NULL, 0, CIPHER_DECRYPT) != 0))
fatal("%s: cipher_init failed: %s", __func__, ssh_err(r));
if (!state->cipher_warning_done &&
((wmsg = cipher_warning_message(&state->send_context)) != NULL ||
(wmsg = cipher_warning_message(&state->send_context)) != NULL)) {
error("Warning: %s", wmsg);
state->cipher_warning_done = 1;
}
#endif /* WITH_SSH1 */
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,387 | ssh_packet_set_interactive(struct ssh *ssh, int interactive, int qos_interactive, int qos_bulk)
{
struct session_state *state = ssh->state;
if (state->set_interactive_called)
return;
state->set_interactive_called = 1;
/* Record that we are in interactive mode. */
state->interactive_mode = interactive;
/* Only set socket options if using a socket. */
if (!ssh_packet_connection_is_on_socket(ssh))
return;
set_nodelay(state->connection_in);
ssh_packet_set_tos(ssh, interactive ? qos_interactive :
qos_bulk);
}
| DoS Overflow | 0 | ssh_packet_set_interactive(struct ssh *ssh, int interactive, int qos_interactive, int qos_bulk)
{
struct session_state *state = ssh->state;
if (state->set_interactive_called)
return;
state->set_interactive_called = 1;
/* Record that we are in interactive mode. */
state->interactive_mode = interactive;
/* Only set socket options if using a socket. */
if (!ssh_packet_connection_is_on_socket(ssh))
return;
set_nodelay(state->connection_in);
ssh_packet_set_tos(ssh, interactive ? qos_interactive :
qos_bulk);
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,388 | ssh_packet_set_nonblocking(struct ssh *ssh)
{
/* Set the socket into non-blocking mode. */
set_nonblock(ssh->state->connection_in);
if (ssh->state->connection_out != ssh->state->connection_in)
set_nonblock(ssh->state->connection_out);
}
| DoS Overflow | 0 | ssh_packet_set_nonblocking(struct ssh *ssh)
{
/* Set the socket into non-blocking mode. */
set_nonblock(ssh->state->connection_in);
if (ssh->state->connection_out != ssh->state->connection_in)
set_nonblock(ssh->state->connection_out);
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,389 | ssh_packet_set_postauth(struct ssh *ssh)
{
struct sshcomp *comp;
int r, mode;
debug("%s: called", __func__);
/* This was set in net child, but is not visible in user child */
ssh->state->after_authentication = 1;
ssh->state->rekeying = 0;
for (mode = 0; mode < MODE_MAX; mode++) {
if (ssh->state->newkeys[mode] == NULL)
continue;
comp = &ssh->state->newkeys[mode]->comp;
if (comp && comp->enabled &&
(r = ssh_packet_init_compression(ssh)) != 0)
return r;
}
return 0;
}
| DoS Overflow | 0 | ssh_packet_set_postauth(struct ssh *ssh)
{
struct sshcomp *comp;
int r, mode;
debug("%s: called", __func__);
/* This was set in net child, but is not visible in user child */
ssh->state->after_authentication = 1;
ssh->state->rekeying = 0;
for (mode = 0; mode < MODE_MAX; mode++) {
if (ssh->state->newkeys[mode] == NULL)
continue;
comp = &ssh->state->newkeys[mode]->comp;
if (comp && comp->enabled &&
(r = ssh_packet_init_compression(ssh)) != 0)
return r;
}
return 0;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,390 | ssh_packet_set_protocol_flags(struct ssh *ssh, u_int protocol_flags)
{
ssh->state->remote_protocol_flags = protocol_flags;
}
| DoS Overflow | 0 | ssh_packet_set_protocol_flags(struct ssh *ssh, u_int protocol_flags)
{
ssh->state->remote_protocol_flags = protocol_flags;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,391 | ssh_packet_set_rekey_limits(struct ssh *ssh, u_int32_t bytes, time_t seconds)
{
debug3("rekey after %lld bytes, %d seconds", (long long)bytes,
(int)seconds);
ssh->state->rekey_limit = bytes;
ssh->state->rekey_interval = seconds;
}
| DoS Overflow | 0 | ssh_packet_set_rekey_limits(struct ssh *ssh, u_int32_t bytes, time_t seconds)
{
debug3("rekey after %lld bytes, %d seconds", (long long)bytes,
(int)seconds);
ssh->state->rekey_limit = bytes;
ssh->state->rekey_interval = seconds;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,392 | ssh_packet_set_server(struct ssh *ssh)
{
ssh->state->server_side = 1;
}
| DoS Overflow | 0 | ssh_packet_set_server(struct ssh *ssh)
{
ssh->state->server_side = 1;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,393 | ssh_packet_set_state(struct ssh *ssh, struct sshbuf *m)
{
struct session_state *state = ssh->state;
const u_char *ssh1key, *ivin, *ivout, *keyin, *keyout, *input, *output;
size_t ssh1keylen, rlen, slen, ilen, olen;
int r;
u_int ssh1cipher = 0;
u_int64_t sent_bytes = 0, recv_bytes = 0;
if (!compat20) {
if ((r = sshbuf_get_u32(m, &state->remote_protocol_flags)) != 0 ||
(r = sshbuf_get_u32(m, &ssh1cipher)) != 0 ||
(r = sshbuf_get_string_direct(m, &ssh1key, &ssh1keylen)) != 0 ||
(r = sshbuf_get_string_direct(m, &ivout, &slen)) != 0 ||
(r = sshbuf_get_string_direct(m, &ivin, &rlen)) != 0)
return r;
if (ssh1cipher > INT_MAX)
return SSH_ERR_KEY_UNKNOWN_CIPHER;
ssh_packet_set_encryption_key(ssh, ssh1key, ssh1keylen,
(int)ssh1cipher);
if (cipher_get_keyiv_len(&state->send_context) != (int)slen ||
cipher_get_keyiv_len(&state->receive_context) != (int)rlen)
return SSH_ERR_INVALID_FORMAT;
if ((r = cipher_set_keyiv(&state->send_context, ivout)) != 0 ||
(r = cipher_set_keyiv(&state->receive_context, ivin)) != 0)
return r;
} else {
if ((r = kex_from_blob(m, &ssh->kex)) != 0 ||
(r = newkeys_from_blob(m, ssh, MODE_OUT)) != 0 ||
(r = newkeys_from_blob(m, ssh, MODE_IN)) != 0 ||
(r = sshbuf_get_u32(m, &state->rekey_limit)) != 0 ||
(r = sshbuf_get_u32(m, &state->rekey_interval)) != 0 ||
(r = sshbuf_get_u32(m, &state->p_send.seqnr)) != 0 ||
(r = sshbuf_get_u64(m, &state->p_send.blocks)) != 0 ||
(r = sshbuf_get_u32(m, &state->p_send.packets)) != 0 ||
(r = sshbuf_get_u64(m, &state->p_send.bytes)) != 0 ||
(r = sshbuf_get_u32(m, &state->p_read.seqnr)) != 0 ||
(r = sshbuf_get_u64(m, &state->p_read.blocks)) != 0 ||
(r = sshbuf_get_u32(m, &state->p_read.packets)) != 0 ||
(r = sshbuf_get_u64(m, &state->p_read.bytes)) != 0)
return r;
/*
* We set the time here so that in post-auth privsep slave we
* count from the completion of the authentication.
*/
state->rekey_time = monotime();
/* XXX ssh_set_newkeys overrides p_read.packets? XXX */
if ((r = ssh_set_newkeys(ssh, MODE_IN)) != 0 ||
(r = ssh_set_newkeys(ssh, MODE_OUT)) != 0)
return r;
}
if ((r = sshbuf_get_string_direct(m, &keyout, &slen)) != 0 ||
(r = sshbuf_get_string_direct(m, &keyin, &rlen)) != 0)
return r;
if (cipher_get_keycontext(&state->send_context, NULL) != (int)slen ||
cipher_get_keycontext(&state->receive_context, NULL) != (int)rlen)
return SSH_ERR_INVALID_FORMAT;
cipher_set_keycontext(&state->send_context, keyout);
cipher_set_keycontext(&state->receive_context, keyin);
if ((r = ssh_packet_set_compress_state(ssh, m)) != 0 ||
(r = ssh_packet_set_postauth(ssh)) != 0)
return r;
sshbuf_reset(state->input);
sshbuf_reset(state->output);
if ((r = sshbuf_get_string_direct(m, &input, &ilen)) != 0 ||
(r = sshbuf_get_string_direct(m, &output, &olen)) != 0 ||
(r = sshbuf_put(state->input, input, ilen)) != 0 ||
(r = sshbuf_put(state->output, output, olen)) != 0)
return r;
if (compat20) {
if ((r = sshbuf_get_u64(m, &sent_bytes)) != 0 ||
(r = sshbuf_get_u64(m, &recv_bytes)) != 0)
return r;
roam_set_bytes(sent_bytes, recv_bytes);
}
if (sshbuf_len(m))
return SSH_ERR_INVALID_FORMAT;
debug3("%s: done", __func__);
return 0;
}
| DoS Overflow | 0 | ssh_packet_set_state(struct ssh *ssh, struct sshbuf *m)
{
struct session_state *state = ssh->state;
const u_char *ssh1key, *ivin, *ivout, *keyin, *keyout, *input, *output;
size_t ssh1keylen, rlen, slen, ilen, olen;
int r;
u_int ssh1cipher = 0;
u_int64_t sent_bytes = 0, recv_bytes = 0;
if (!compat20) {
if ((r = sshbuf_get_u32(m, &state->remote_protocol_flags)) != 0 ||
(r = sshbuf_get_u32(m, &ssh1cipher)) != 0 ||
(r = sshbuf_get_string_direct(m, &ssh1key, &ssh1keylen)) != 0 ||
(r = sshbuf_get_string_direct(m, &ivout, &slen)) != 0 ||
(r = sshbuf_get_string_direct(m, &ivin, &rlen)) != 0)
return r;
if (ssh1cipher > INT_MAX)
return SSH_ERR_KEY_UNKNOWN_CIPHER;
ssh_packet_set_encryption_key(ssh, ssh1key, ssh1keylen,
(int)ssh1cipher);
if (cipher_get_keyiv_len(&state->send_context) != (int)slen ||
cipher_get_keyiv_len(&state->receive_context) != (int)rlen)
return SSH_ERR_INVALID_FORMAT;
if ((r = cipher_set_keyiv(&state->send_context, ivout)) != 0 ||
(r = cipher_set_keyiv(&state->receive_context, ivin)) != 0)
return r;
} else {
if ((r = kex_from_blob(m, &ssh->kex)) != 0 ||
(r = newkeys_from_blob(m, ssh, MODE_OUT)) != 0 ||
(r = newkeys_from_blob(m, ssh, MODE_IN)) != 0 ||
(r = sshbuf_get_u32(m, &state->rekey_limit)) != 0 ||
(r = sshbuf_get_u32(m, &state->rekey_interval)) != 0 ||
(r = sshbuf_get_u32(m, &state->p_send.seqnr)) != 0 ||
(r = sshbuf_get_u64(m, &state->p_send.blocks)) != 0 ||
(r = sshbuf_get_u32(m, &state->p_send.packets)) != 0 ||
(r = sshbuf_get_u64(m, &state->p_send.bytes)) != 0 ||
(r = sshbuf_get_u32(m, &state->p_read.seqnr)) != 0 ||
(r = sshbuf_get_u64(m, &state->p_read.blocks)) != 0 ||
(r = sshbuf_get_u32(m, &state->p_read.packets)) != 0 ||
(r = sshbuf_get_u64(m, &state->p_read.bytes)) != 0)
return r;
/*
* We set the time here so that in post-auth privsep slave we
* count from the completion of the authentication.
*/
state->rekey_time = monotime();
/* XXX ssh_set_newkeys overrides p_read.packets? XXX */
if ((r = ssh_set_newkeys(ssh, MODE_IN)) != 0 ||
(r = ssh_set_newkeys(ssh, MODE_OUT)) != 0)
return r;
}
if ((r = sshbuf_get_string_direct(m, &keyout, &slen)) != 0 ||
(r = sshbuf_get_string_direct(m, &keyin, &rlen)) != 0)
return r;
if (cipher_get_keycontext(&state->send_context, NULL) != (int)slen ||
cipher_get_keycontext(&state->receive_context, NULL) != (int)rlen)
return SSH_ERR_INVALID_FORMAT;
cipher_set_keycontext(&state->send_context, keyout);
cipher_set_keycontext(&state->receive_context, keyin);
if ((r = ssh_packet_set_compress_state(ssh, m)) != 0 ||
(r = ssh_packet_set_postauth(ssh)) != 0)
return r;
sshbuf_reset(state->input);
sshbuf_reset(state->output);
if ((r = sshbuf_get_string_direct(m, &input, &ilen)) != 0 ||
(r = sshbuf_get_string_direct(m, &output, &olen)) != 0 ||
(r = sshbuf_put(state->input, input, ilen)) != 0 ||
(r = sshbuf_put(state->output, output, olen)) != 0)
return r;
if (compat20) {
if ((r = sshbuf_get_u64(m, &sent_bytes)) != 0 ||
(r = sshbuf_get_u64(m, &recv_bytes)) != 0)
return r;
roam_set_bytes(sent_bytes, recv_bytes);
}
if (sshbuf_len(m))
return SSH_ERR_INVALID_FORMAT;
debug3("%s: done", __func__);
return 0;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,394 | ssh_packet_set_timeout(struct ssh *ssh, int timeout, int count)
{
struct session_state *state = ssh->state;
if (timeout <= 0 || count <= 0) {
state->packet_timeout_ms = -1;
return;
}
if ((INT_MAX / 1000) / count < timeout)
state->packet_timeout_ms = INT_MAX;
else
state->packet_timeout_ms = timeout * count * 1000;
}
| DoS Overflow | 0 | ssh_packet_set_timeout(struct ssh *ssh, int timeout, int count)
{
struct session_state *state = ssh->state;
if (timeout <= 0 || count <= 0) {
state->packet_timeout_ms = -1;
return;
}
if ((INT_MAX / 1000) / count < timeout)
state->packet_timeout_ms = INT_MAX;
else
state->packet_timeout_ms = timeout * count * 1000;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,395 | ssh_packet_set_tos(struct ssh *ssh, int tos)
{
#ifndef IP_TOS_IS_BROKEN
if (!ssh_packet_connection_is_on_socket(ssh))
return;
switch (ssh_packet_connection_af(ssh)) {
# ifdef IP_TOS
case AF_INET:
debug3("%s: set IP_TOS 0x%02x", __func__, tos);
if (setsockopt(ssh->state->connection_in,
IPPROTO_IP, IP_TOS, &tos, sizeof(tos)) < 0)
error("setsockopt IP_TOS %d: %.100s:",
tos, strerror(errno));
break;
# endif /* IP_TOS */
# ifdef IPV6_TCLASS
case AF_INET6:
debug3("%s: set IPV6_TCLASS 0x%02x", __func__, tos);
if (setsockopt(ssh->state->connection_in,
IPPROTO_IPV6, IPV6_TCLASS, &tos, sizeof(tos)) < 0)
error("setsockopt IPV6_TCLASS %d: %.100s:",
tos, strerror(errno));
break;
# endif /* IPV6_TCLASS */
}
#endif /* IP_TOS_IS_BROKEN */
}
| DoS Overflow | 0 | ssh_packet_set_tos(struct ssh *ssh, int tos)
{
#ifndef IP_TOS_IS_BROKEN
if (!ssh_packet_connection_is_on_socket(ssh))
return;
switch (ssh_packet_connection_af(ssh)) {
# ifdef IP_TOS
case AF_INET:
debug3("%s: set IP_TOS 0x%02x", __func__, tos);
if (setsockopt(ssh->state->connection_in,
IPPROTO_IP, IP_TOS, &tos, sizeof(tos)) < 0)
error("setsockopt IP_TOS %d: %.100s:",
tos, strerror(errno));
break;
# endif /* IP_TOS */
# ifdef IPV6_TCLASS
case AF_INET6:
debug3("%s: set IPV6_TCLASS 0x%02x", __func__, tos);
if (setsockopt(ssh->state->connection_in,
IPPROTO_IPV6, IPV6_TCLASS, &tos, sizeof(tos)) < 0)
error("setsockopt IPV6_TCLASS %d: %.100s:",
tos, strerror(errno));
break;
# endif /* IPV6_TCLASS */
}
#endif /* IP_TOS_IS_BROKEN */
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,396 | ssh_packet_start_compression(struct ssh *ssh, int level)
{
int r;
if (ssh->state->packet_compression && !compat20)
return SSH_ERR_INTERNAL_ERROR;
ssh->state->packet_compression = 1;
if ((r = ssh_packet_init_compression(ssh)) != 0 ||
(r = start_compression_in(ssh)) != 0 ||
(r = start_compression_out(ssh, level)) != 0)
return r;
return 0;
}
| DoS Overflow | 0 | ssh_packet_start_compression(struct ssh *ssh, int level)
{
int r;
if (ssh->state->packet_compression && !compat20)
return SSH_ERR_INTERNAL_ERROR;
ssh->state->packet_compression = 1;
if ((r = ssh_packet_init_compression(ssh)) != 0 ||
(r = start_compression_in(ssh)) != 0 ||
(r = start_compression_out(ssh, level)) != 0)
return r;
return 0;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,397 | ssh_packet_stop_discard(struct ssh *ssh)
{
struct session_state *state = ssh->state;
int r;
if (state->packet_discard_mac) {
char buf[1024];
memset(buf, 'a', sizeof(buf));
while (sshbuf_len(state->incoming_packet) <
PACKET_MAX_SIZE)
if ((r = sshbuf_put(state->incoming_packet, buf,
sizeof(buf))) != 0)
return r;
(void) mac_compute(state->packet_discard_mac,
state->p_read.seqnr,
sshbuf_ptr(state->incoming_packet), PACKET_MAX_SIZE,
NULL, 0);
}
logit("Finished discarding for %.200s", ssh_remote_ipaddr(ssh));
return SSH_ERR_MAC_INVALID;
}
| DoS Overflow | 0 | ssh_packet_stop_discard(struct ssh *ssh)
{
struct session_state *state = ssh->state;
int r;
if (state->packet_discard_mac) {
char buf[1024];
memset(buf, 'a', sizeof(buf));
while (sshbuf_len(state->incoming_packet) <
PACKET_MAX_SIZE)
if ((r = sshbuf_put(state->incoming_packet, buf,
sizeof(buf))) != 0)
return r;
(void) mac_compute(state->packet_discard_mac,
state->p_read.seqnr,
sshbuf_ptr(state->incoming_packet), PACKET_MAX_SIZE,
NULL, 0);
}
logit("Finished discarding for %.200s", ssh_remote_ipaddr(ssh));
return SSH_ERR_MAC_INVALID;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,398 | ssh_packet_write_poll(struct ssh *ssh)
{
struct session_state *state = ssh->state;
int len = sshbuf_len(state->output);
int cont, r;
if (len > 0) {
cont = 0;
len = roaming_write(state->connection_out,
sshbuf_ptr(state->output), len, &cont);
if (len == -1) {
if (errno == EINTR || errno == EAGAIN ||
errno == EWOULDBLOCK)
return 0;
return SSH_ERR_SYSTEM_ERROR;
}
if (len == 0 && !cont)
return SSH_ERR_CONN_CLOSED;
if ((r = sshbuf_consume(state->output, len)) != 0)
return r;
}
return 0;
}
| DoS Overflow | 0 | ssh_packet_write_poll(struct ssh *ssh)
{
struct session_state *state = ssh->state;
int len = sshbuf_len(state->output);
int cont, r;
if (len > 0) {
cont = 0;
len = roaming_write(state->connection_out,
sshbuf_ptr(state->output), len, &cont);
if (len == -1) {
if (errno == EINTR || errno == EAGAIN ||
errno == EWOULDBLOCK)
return 0;
return SSH_ERR_SYSTEM_ERROR;
}
if (len == 0 && !cont)
return SSH_ERR_CONN_CLOSED;
if ((r = sshbuf_consume(state->output, len)) != 0)
return r;
}
return 0;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
10,399 | ssh_packet_write_wait(struct ssh *ssh)
{
fd_set *setp;
int ret, r, ms_remain = 0;
struct timeval start, timeout, *timeoutp = NULL;
struct session_state *state = ssh->state;
setp = calloc(howmany(state->connection_out + 1,
NFDBITS), sizeof(fd_mask));
if (setp == NULL)
return SSH_ERR_ALLOC_FAIL;
if ((r = ssh_packet_write_poll(ssh)) != 0) {
free(setp);
return r;
}
while (ssh_packet_have_data_to_write(ssh)) {
memset(setp, 0, howmany(state->connection_out + 1,
NFDBITS) * sizeof(fd_mask));
FD_SET(state->connection_out, setp);
if (state->packet_timeout_ms > 0) {
ms_remain = state->packet_timeout_ms;
timeoutp = &timeout;
}
for (;;) {
if (state->packet_timeout_ms != -1) {
ms_to_timeval(&timeout, ms_remain);
gettimeofday(&start, NULL);
}
if ((ret = select(state->connection_out + 1,
NULL, setp, NULL, timeoutp)) >= 0)
break;
if (errno != EAGAIN && errno != EINTR &&
errno != EWOULDBLOCK)
break;
if (state->packet_timeout_ms == -1)
continue;
ms_subtract_diff(&start, &ms_remain);
if (ms_remain <= 0) {
ret = 0;
break;
}
}
if (ret == 0) {
free(setp);
return SSH_ERR_CONN_TIMEOUT;
}
if ((r = ssh_packet_write_poll(ssh)) != 0) {
free(setp);
return r;
}
}
free(setp);
return 0;
}
| DoS Overflow | 0 | ssh_packet_write_wait(struct ssh *ssh)
{
fd_set *setp;
int ret, r, ms_remain = 0;
struct timeval start, timeout, *timeoutp = NULL;
struct session_state *state = ssh->state;
setp = calloc(howmany(state->connection_out + 1,
NFDBITS), sizeof(fd_mask));
if (setp == NULL)
return SSH_ERR_ALLOC_FAIL;
if ((r = ssh_packet_write_poll(ssh)) != 0) {
free(setp);
return r;
}
while (ssh_packet_have_data_to_write(ssh)) {
memset(setp, 0, howmany(state->connection_out + 1,
NFDBITS) * sizeof(fd_mask));
FD_SET(state->connection_out, setp);
if (state->packet_timeout_ms > 0) {
ms_remain = state->packet_timeout_ms;
timeoutp = &timeout;
}
for (;;) {
if (state->packet_timeout_ms != -1) {
ms_to_timeval(&timeout, ms_remain);
gettimeofday(&start, NULL);
}
if ((ret = select(state->connection_out + 1,
NULL, setp, NULL, timeoutp)) >= 0)
break;
if (errno != EAGAIN && errno != EINTR &&
errno != EWOULDBLOCK)
break;
if (state->packet_timeout_ms == -1)
continue;
ms_subtract_diff(&start, &ms_remain);
if (ms_remain <= 0) {
ret = 0;
break;
}
}
if (ret == 0) {
free(setp);
return SSH_ERR_CONN_TIMEOUT;
}
if ((r = ssh_packet_write_poll(ssh)) != 0) {
free(setp);
return r;
}
}
free(setp);
return 0;
}
| @@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.216 2015/10/21 11:33:03 gsoares Exp $ */
+/* $OpenBSD: packet.c,v 1.217 2015/11/08 21:59:11 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1581,6 +1581,7 @@ ssh_packet_read_poll2(struct ssh *ssh, u_char *typep, u_int32_t *seqnr_p)
logit("Bad packet length %u.", state->packlen);
if ((r = sshpkt_disconnect(ssh, "Packet corrupt")) != 0)
return r;
+ return SSH_ERR_CONN_CORRUPT;
}
sshbuf_reset(state->incoming_packet);
} else if (state->packlen == 0) { | CWE-119 | null | null |
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