diff options
Diffstat (limited to 'modules/pam_localuser/tst-pam_localuser-retval.c')
| -rw-r--r-- | modules/pam_localuser/tst-pam_localuser-retval.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/modules/pam_localuser/tst-pam_localuser-retval.c b/modules/pam_localuser/tst-pam_localuser-retval.c new file mode 100644 index 00000000..5581cecc --- /dev/null +++ b/modules/pam_localuser/tst-pam_localuser-retval.c @@ -0,0 +1,144 @@ +/* + * Check pam_localuser return values. + * + * Copyright (c) 2020 Dmitry V. Levin <ldv@altlinux.org> + */ + +#include "test_assert.h" + +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <security/pam_appl.h> + +#define MODULE_NAME "pam_localuser" +#define TEST_NAME "tst-" MODULE_NAME "-retval" + +static const char service_file[] = TEST_NAME ".service"; +static const char passwd_file[] = TEST_NAME ".passwd"; +static const char missing_file[] = TEST_NAME ".missing"; + +static const char alice_line[] = "alice:x:1001:1001:Alice:/home/alice:"; +static const char bob_line[] = "bob:x:1002:1002:Bob:/home/bob:"; +static const char craig_prefix[] = ":x:1003:1003:"; +static const char craig_suffix[] = "craig:/home/craig:"; + +int +main(void) +{ + static struct pam_conv conv; + pam_handle_t *pamh = NULL; + FILE *fp; + char cwd[PATH_MAX]; + char name[BUFSIZ]; + + ASSERT_NE(NULL, getcwd(cwd, sizeof(cwd))); + + /* default passwd */ + ASSERT_NE(NULL, fp = fopen(service_file, "w")); + ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n" + "auth required %s/.libs/%s.so\n", + cwd, MODULE_NAME)); + ASSERT_EQ(0, fclose(fp)); + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, "", &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SERVICE_ERR, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + memset(name, 'x', sizeof(name) - 1); + name[sizeof(name) - 1] = '\0'; + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, name, &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SERVICE_ERR, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, "root:x", &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_PERM_DENIED, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + /* missing passwd file */ + ASSERT_NE(NULL, fp = fopen(service_file, "w")); + ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n" + "auth required %s/.libs/%s.so file=%s\n", + cwd, MODULE_NAME, missing_file)); + ASSERT_EQ(0, fclose(fp)); + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, "root", &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SERVICE_ERR, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + /* custom passwd file */ + ASSERT_NE(NULL, fp = fopen(service_file, "w")); + ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n" + "auth required %s/.libs/%s.so file=%s\n", + cwd, MODULE_NAME, passwd_file)); + ASSERT_EQ(0, fclose(fp)); + + memcpy(name + (sizeof(name) - sizeof(craig_prefix)), + craig_prefix, sizeof(craig_prefix)); + ASSERT_NE(NULL, fp = fopen(passwd_file, "w")); + ASSERT_LT(0, fprintf(fp, "%s\n%s\n%s%s\n", + alice_line, bob_line, name, craig_suffix)); + ASSERT_EQ(0, fclose(fp)); + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, "", &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SERVICE_ERR, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + memset(name, 'x', sizeof(name) - 1); + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, name, &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SERVICE_ERR, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, "alice", &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SUCCESS, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, "bob", &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SUCCESS, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, "alice:x", &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_PERM_DENIED, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, "craig", &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_PERM_DENIED, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + ASSERT_EQ(0, unlink(service_file)); + ASSERT_EQ(0, unlink(passwd_file)); + + return 0; +} |