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execute: Do not alter call-by-ref parameter on failure

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Prevent free from being called on (a part of) the call-by-reference
variable env when setup_pam fails.
This commit is contained in:
Jouke Witteveen 2016-07-07 12:41:52 +02:00
parent 1280503b7e
commit 84eada2f7f
1 changed files with 3 additions and 3 deletions
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6
src/core/execute.c
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@ -835,7 +835,7 @@ static int setup_pam(
pam_handle_t *handle = NULL;
sigset_t old_ss;
int pam_code = PAM_SUCCESS, r;
char **e = NULL;
char **nv, **e = NULL;
bool close_session = false;
pid_t pam_pid = 0, parent_pid;
int flags = 0;
@ -870,8 +870,8 @@ static int setup_pam(
goto fail;
}
STRV_FOREACH(e, *env) {
pam_code = pam_putenv(handle, *e);
STRV_FOREACH(nv, *env) {
pam_code = pam_putenv(handle, *nv);
if (pam_code != PAM_SUCCESS)
goto fail;
}