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Add memory error checks.

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git-svn-id: svn+ssh://svn.berlios.de/svnroot/repos/libssh/trunk@375 7dcaeef0-15fb-0310-b436-a5af3365683c
This commit is contained in:
Andreas Schneider
2009-04-03 08:29:36 +00:00
parent 8d66a455f7
commit 0856ba3008
1 changed files with 8 additions and 1 deletions
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9
libssh/server.c
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@@ -214,7 +214,7 @@ extern char *supported_methods[];
static int server_set_kex(SSH_SESSION * session) { static int server_set_kex(SSH_SESSION * session) {
KEX *server = &session->server_kex; KEX *server = &session->server_kex;
SSH_OPTIONS *options = session->options; SSH_OPTIONS *options = session->options;
int i; int i, j;
char *wanted; char *wanted;
memset(server,0,sizeof(KEX)); memset(server,0,sizeof(KEX));
// the program might ask for a specific cookie to be sent. useful for server // the program might ask for a specific cookie to be sent. useful for server
@@ -239,6 +239,13 @@ static int server_set_kex(SSH_SESSION * session) {
if (!(wanted = options->wanted_methods[i])) if (!(wanted = options->wanted_methods[i]))
wanted = supported_methods[i]; wanted = supported_methods[i];
server->methods[i] = strdup(wanted); server->methods[i] = strdup(wanted);
if (server->methods[i] == NULL) {
for (j = i - 1; j <= 0; j--) {
SAFE_FREE(server->methods[j]);
}
SAFE_FREE(server->methods);
return -1;
}
//printf("server->methods[%d]=%s\n",i,wanted); //printf("server->methods[%d]=%s\n",i,wanted);
} }
return 0; return 0;