| version 1.133, 2017/05/30 14:23:52 |
version 1.134, 2017/06/13 12:13:59 |
|
|
| { |
{ |
| struct kex *kex = ssh->kex; |
struct kex *kex = ssh->kex; |
| u_int32_t i, ninfo; |
u_int32_t i, ninfo; |
| char *name, *val, *found; |
char *name, *found; |
| |
u_char *val; |
| |
size_t vlen; |
| int r; |
int r; |
| |
|
| debug("SSH2_MSG_EXT_INFO received"); |
debug("SSH2_MSG_EXT_INFO received"); |
|
|
| for (i = 0; i < ninfo; i++) { |
for (i = 0; i < ninfo; i++) { |
| if ((r = sshpkt_get_cstring(ssh, &name, NULL)) != 0) |
if ((r = sshpkt_get_cstring(ssh, &name, NULL)) != 0) |
| return r; |
return r; |
| if ((r = sshpkt_get_cstring(ssh, &val, NULL)) != 0) { |
if ((r = sshpkt_get_string(ssh, &val, &vlen)) != 0) { |
| free(name); |
free(name); |
| return r; |
return r; |
| } |
} |
| debug("%s: %s=<%s>", __func__, name, val); |
|
| if (strcmp(name, "server-sig-algs") == 0) { |
if (strcmp(name, "server-sig-algs") == 0) { |
| |
/* Ensure no \0 lurking in value */ |
| |
if (memchr(val, '\0', vlen) != NULL) { |
| |
error("%s: nul byte in %s", __func__, name); |
| |
return SSH_ERR_INVALID_FORMAT; |
| |
} |
| |
debug("%s: %s=<%s>", __func__, name, val); |
| found = match_list("rsa-sha2-256", val, NULL); |
found = match_list("rsa-sha2-256", val, NULL); |
| if (found) { |
if (found) { |
| kex->rsa_sha2 = 256; |
kex->rsa_sha2 = 256; |
|
|
| kex->rsa_sha2 = 512; |
kex->rsa_sha2 = 512; |
| free(found); |
free(found); |
| } |
} |
| } |
} else |
| |
debug("%s: %s (unrecognised)", __func__, name); |
| free(name); |
free(name); |
| free(val); |
free(val); |
| } |
} |
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