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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 5504ff4051
commit 697650caa9
62 changed files with 348 additions and 332 deletions
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6
examples/sshnetcat.c
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@ -39,7 +39,7 @@ clients must be made or how a client should react.
#define BUF_SIZE 4096
#endif
char *host;
char *host = NULL;
const char *desthost="localhost";
const char *port="22";
@ -193,7 +193,7 @@ static void forwarding(ssh_session session){
static int client(ssh_session session){
int auth=0;
char *banner;
char *banner = NULL;
int state;
if (ssh_options_set(session, SSH_OPTIONS_HOST ,host) < 0)
@ -246,7 +246,7 @@ void cleanup_pcap(void)
#endif
int main(int argc, char **argv){
ssh_session session;
ssh_session session = NULL;
session = ssh_new();