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CVE-2025-4878 Initialize pointers where possible

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This is mostly mechanical change initializing all the pointers I was able to
find with some grep and manual review of sources and examples.

Used the following greps (which yield some false positives though):

    git grep "    \w* *\* *\w*;$"
    git grep " ssh_session \w*;"
    git grep " ssh_channel \w*;"
    git grep " struct ssh_iterator \*\w*;"
    git grep " ssh_bind \w*;"
    git grep " ssh_key \w*;"
    git grep " ssh_string \w*;"
    git grep " ssh_buffer \w*;"
    git grep " HMACCTX \w*;"
    git grep " SHACTX \w*;"
    grep -rinP '^(?!.*=)\s*(?:\w+\s+)*\w+\s*\*\s*\w+\s*;'

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Jakub Jelen
2025-04-23 17:57:11 +02:00
committed by Andreas Schneider
parent 5d27f69494
commit 2eb2af4426
62 changed files with 352 additions and 336 deletions
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18
examples/proxy.c
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@@ -35,8 +35,8 @@ clients must be made or how a client should react.
static int authenticated=0;
static int tries = 0;
static int error = 0;
static ssh_channel chan=NULL;
static char *username;
static ssh_channel chan = NULL;
static char *username = NULL;
static ssh_gssapi_creds client_creds = NULL;
static int auth_password(ssh_session session, const char *user,
@@ -204,11 +204,12 @@ static error_t parse_opt (int key, char *arg, struct argp_state *state) {
static struct argp argp = {options, parse_opt, args_doc, doc, NULL, NULL, NULL};
#endif /* HAVE_ARGP_H */
int main(int argc, char **argv){
ssh_session session;
ssh_bind sshbind;
ssh_event mainloop;
ssh_session client_session;
int main(int argc, char **argv)
{
ssh_session session = NULL;
ssh_bind sshbind = NULL;
ssh_event mainloop = NULL;
ssh_session client_session = NULL;
struct ssh_server_callbacks_struct cb = {
.userdata = NULL,
@@ -219,7 +220,7 @@ int main(int argc, char **argv){
char buf[BUF_SIZE];
char host[128]="";
char *ptr;
char *ptr = NULL;
int i,r, rc;
sshbind=ssh_bind_new();
@@ -336,4 +337,3 @@ int main(int argc, char **argv){
ssh_finalize();
return 0;
}