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Try to deconfuse static analyzers a bit.

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This commit is contained in:
Todd C. Miller
2016-01-27 16:19:22 -07:00
parent 23a82ab2e8
commit 873d5cc5ff
1 changed files with 10 additions and 10 deletions
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20
plugins/sudoers/auth/sudo_auth.c
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@@ -84,7 +84,7 @@ static sudo_auth auth_switch[] = {
AUTH_ENTRY(NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL)
};
static int standalone;
static bool standalone;
/*
* Initialize sudoers authentication method(s).
@@ -214,7 +214,6 @@ verify_user(struct passwd *pw, char *prompt, int validated,
{
unsigned int ntries;
int rval, status, success = AUTH_FAILURE;
char *p;
sudo_auth *auth;
sigset_t mask, omask;
sigaction_t sa, saved_sigtstp;
@@ -249,6 +248,7 @@ verify_user(struct passwd *pw, char *prompt, int validated,
for (ntries = 0; ntries < def_passwd_tries; ntries++) {
int num_methods = 0;
char *pass = NULL;
/* If user attempted to interrupt password verify, quit now. */
if (user_interrupted())
@@ -278,12 +278,10 @@ verify_user(struct passwd *pw, char *prompt, int validated,
}
/* Get the password unless the auth function will do it for us */
if (standalone) {
p = prompt;
} else {
p = auth_getpass(prompt, def_passwd_timeout * 60,
if (!standalone) {
pass = auth_getpass(prompt, def_passwd_timeout * 60,
SUDO_CONV_PROMPT_ECHO_OFF, callback);
if (p == NULL)
if (pass == NULL)
break;
}
@@ -292,13 +290,15 @@ verify_user(struct passwd *pw, char *prompt, int validated,
if (IS_DISABLED(auth))
continue;
success = auth->status = (auth->verify)(pw, p, auth, callback);
success = auth->status =
(auth->verify)(pw, standalone ? prompt : pass, auth, callback);
if (success != AUTH_FAILURE)
break;
}
if (!standalone) {
memset_s(p, SUDO_CONV_REPL_MAX, 0, strlen(p));
free(p);
memset_s(pass, SUDO_CONV_REPL_MAX, 0, strlen(pass));
free(pass);
pass = NULL;
}
if (success != AUTH_FAILURE)