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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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8
examples/ssh_client.c
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@ -53,7 +53,7 @@ static struct termios terminal;
static char *pcap_file = NULL;
static char *proxycommand;
static char *proxycommand = NULL;
static int auth_callback(const char *prompt,
char *buf,
@ -251,7 +251,7 @@ static void select_loop(ssh_session session,ssh_channel channel)
static void shell(ssh_session session)
{
ssh_channel channel;
ssh_channel channel = NULL;
struct termios terminal_local;
int interactive=isatty(0);
@ -339,7 +339,7 @@ static void batch_shell(ssh_session session)
static int client(ssh_session session)
{
int auth = 0;
char *banner;
char *banner = NULL;
int state;
if (user) {
@ -423,7 +423,7 @@ static void cleanup_pcap(void)
int main(int argc, char **argv)
{
ssh_session session;
ssh_session session = NULL;
ssh_init();
session = ssh_new();