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In sudo_pam_begin_session() and sudo_pam_end_session() return

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AUTH_FATAL on error, not AUTH_FAILURE.  In sudo_auth_begin_session()
treat anything other than AUTH_SUCCESS as a fatal error.
This commit is contained in:
Todd C. Miller
2015-08-10 20:17:02 -06:00
parent 13869d349c
commit 2b6085760c
2 changed files with 5 additions and 5 deletions
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6
plugins/sudoers/auth/pam.c
View File

@@ -279,7 +279,7 @@ sudo_pam_begin_session(struct passwd *pw, char **user_envp[], sudo_auth *auth)
"pam_end: %s", errstr ? errstr : "unknown error");
}
pamh = NULL;
status = AUTH_FAILURE;
status = AUTH_FATAL;
goto done;
}
}
@@ -295,7 +295,7 @@ sudo_pam_begin_session(struct passwd *pw, char **user_envp[], sudo_auth *auth)
if (pam_envp != NULL) {
/* Merge pam env with user env. */
if (!env_init(*user_envp) || !env_merge(pam_envp))
status = AUTH_FAILURE;
status = AUTH_FATAL;
*user_envp = env_get();
(void)env_init(NULL);
free(pam_envp);
@@ -348,7 +348,7 @@ sudo_pam_end_session(struct passwd *pw, sudo_auth *auth)
const char *errstr = pam_strerror(pamh, rc);
sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO,
"pam_end: %s", errstr ? errstr : "unknown error");
status = AUTH_FAILURE;
status = AUTH_FATAL;
}
pamh = NULL;
}

4
plugins/sudoers/auth/sudo_auth.c
View File

@@ -342,11 +342,11 @@ sudo_auth_begin_session(struct passwd *pw, char **user_env[])
for (auth = auth_switch; auth->name; auth++) {
if (auth->begin_session && !IS_DISABLED(auth)) {
status = (auth->begin_session)(pw, user_env, auth);
if (status == AUTH_FATAL)
if (status != AUTH_SUCCESS)
break; /* assume error msg already printed */
}
}
debug_return_int(status == AUTH_FATAL ? -1 : 1);
debug_return_int(status == AUTH_SUCCESS ? 1 : -1);
}
bool