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builtin/credential-cache: fix trivial leaks

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There are two trivial leaks in git-credential-cache(1):

  - We leak the child process in `spawn_daemon()`. As we do not call
    `finish_command()` and instead let the created process daemonize, we
    have to clear the process manually.

  - We do not free the computed socket path in case it wasn't given via
    `--socket=`.

Plug both of these memory leaks.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt
2024-08-01 12:40:51 +02:00
committed by Junio C Hamano
parent cd6d7630fa
commit 145c979020
2 changed files with 9 additions and 2 deletions
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9
builtin/credential-cache.c
View File

@ -88,6 +88,8 @@ static void spawn_daemon(const char *socket)
die_errno("unable to read result code from cache daemon");
if (r != 3 || memcmp(buf, "ok\n", 3))
die("cache daemon did not start: %.*s", r, buf);
child_process_clear(&daemon);
close(daemon.out);
}
@ -137,7 +139,8 @@ static void announce_capabilities(void)
int cmd_credential_cache(int argc, const char **argv, const char *prefix)
{
char *socket_path = NULL;
const char *socket_path_arg = NULL;
char *socket_path;
int timeout = 900;
const char *op;
const char * const usage[] = {
@ -147,7 +150,7 @@ int cmd_credential_cache(int argc, const char **argv, const char *prefix)
struct option options[] = {
OPT_INTEGER(0, "timeout", &timeout,
"number of seconds to cache credentials"),
OPT_STRING(0, "socket", &socket_path, "path",
OPT_STRING(0, "socket", &socket_path_arg, "path",
"path of cache-daemon socket"),
OPT_END()
};
@ -160,6 +163,7 @@ int cmd_credential_cache(int argc, const char **argv, const char *prefix)
if (!have_unix_sockets())
die(_("credential-cache unavailable; no unix socket support"));
socket_path = xstrdup_or_null(socket_path_arg);
if (!socket_path)
socket_path = get_socket_path();
if (!socket_path)
@ -176,6 +180,7 @@ int cmd_credential_cache(int argc, const char **argv, const char *prefix)
else
; /* ignore unknown operation */
free(socket_path);
return 0;
}

2
t/t0301-credential-cache.sh
View File

@ -1,6 +1,8 @@
#!/bin/sh
test_description='credential-cache tests'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-credential.sh