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Diffstat (limited to 'tests/tst-pam_get_user.c')
| -rw-r--r-- | tests/tst-pam_get_user.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/tests/tst-pam_get_user.c b/tests/tst-pam_get_user.c new file mode 100644 index 00000000..916c6cc6 --- /dev/null +++ b/tests/tst-pam_get_user.c @@ -0,0 +1,172 @@ +/* + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <config.h> + +#include <stdio.h> +#include <unistd.h> +#include <string.h> +#include <stdlib.h> +#include <security/pam_appl.h> +#include <security/pam_modules.h> + +static const char *prompt = "myprompt:"; +static const char *user = "itsme"; + +static int +login_conv (int num_msg, const struct pam_message **mesg, + struct pam_response **resp, void *appdata_ptr UNUSED) +{ + struct pam_response *reply; + int count; + + reply = calloc(num_msg, sizeof (struct pam_response)); + + if (reply == NULL) + return PAM_BUF_ERR; + + for (count = 0; count < num_msg; count++) + { + reply[count].resp_retcode = 0; + reply[count].resp = NULL; + + switch (mesg[count]->msg_style) + { + case PAM_PROMPT_ECHO_ON: + if (strcmp (mesg[count]->msg, prompt) != 0) + { + fprintf (stderr, "conv function called with wrong prompt: %s\n", + mesg[count]->msg); + exit (1); + } + reply[count].resp = strdup (user); + break; + + default: + fprintf (stderr, + "pam_get_user calls conv function with unexpected msg style"); + exit (1); + } + } + + *resp = reply; + return PAM_SUCCESS; +} + +int +main (void) +{ + const char *service = "dummy"; + const char *value; + struct pam_conv conv = { &login_conv, NULL}; + pam_handle_t *pamh; + int retval; + + /* 1: Call with NULL for every argument */ + retval = pam_get_user (NULL, NULL, NULL); + if (retval == PAM_SUCCESS) + { + fprintf (stderr, + "tst-pam_get_user (NULL, NULL, NULL) returned PAM_SUCCESS\n"); + return 1; + } + + /* setup pam handle */ + retval = pam_start (service, user, &conv, &pamh); + if (retval != PAM_SUCCESS) + { + fprintf (stderr, "pam_start (%s, %s, &conv, &pamh) returned %d\n", + service, user, retval); + return 1; + } + + /* 2: Call with valid pamh handle but NULL for user */ + retval = pam_get_user (pamh, NULL, NULL); + if (retval == PAM_SUCCESS) + { + fprintf (stderr, + "tst-pam_get_user (pamh, NULL, NULL) returned PAM_SUCCESS\n"); + return 1; + } + + /* 3: Call with valid pamh handle and valid user ptr */ + retval = pam_get_user (pamh, &value, NULL); + if (retval != PAM_SUCCESS) + { + fprintf (stderr, + "tst-pam_get_user (pamh, &value, NULL) returned %d\n", + retval); + return 1; + } + if (strcmp (user, value) != 0) + { + fprintf (stderr, + "tst-pam_get_user (pamh, &value, NULL) mismatch:\n" + "expected: %s\n" + "got: %s\n", user, value); + return 1; + } + + pam_end (pamh, 0); + + /* setup pam handle without user */ + retval = pam_start (service, NULL, &conv, &pamh); + if (retval != PAM_SUCCESS) + { + fprintf (stderr, "pam_start (%s, %s, &conv, &pamh) returned %d\n", + service, user, retval); + return 1; + } + + /* 4: Call with valid pamh handle and valid user ptr */ + retval = pam_get_user (pamh, &value, prompt); + if (retval != PAM_SUCCESS) + { + fprintf (stderr, + "tst-pam_get_user (pamh, &value, prompt) returned %d\n", + retval); + return 1; + } + if (strcmp (user, value) != 0) + { + fprintf (stderr, + "tst-pam_get_user (pamh, &value, prompt) mismatch:\n" + "expected: %s\n" + "got: %s\n", user, value); + return 1; + } + + pam_end (pamh, 0); + + return 0; +} |