diff options
Diffstat (limited to 'contrib/libpam/modules/pam_nologin/pam_nologin.c')
| -rw-r--r-- | contrib/libpam/modules/pam_nologin/pam_nologin.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/contrib/libpam/modules/pam_nologin/pam_nologin.c b/contrib/libpam/modules/pam_nologin/pam_nologin.c deleted file mode 100644 index 2788dcf..0000000 --- a/contrib/libpam/modules/pam_nologin/pam_nologin.c +++ /dev/null @@ -1,124 +0,0 @@ -/* pam_nologin module */ - -/* - * $Id: pam_nologin.c,v 1.4 1997/04/05 06:36:47 morgan Exp morgan $ - * - * Written by Michael K. Johnson <johnsonm@redhat.com> 1996/10/24 - * - * $Log: pam_nologin.c,v $ - * Revision 1.4 1997/04/05 06:36:47 morgan - * display message when the user is unknown - * - * Revision 1.3 1996/12/01 03:00:54 morgan - * added prototype to conversation, gave static structure name of module - * - * Revision 1.2 1996/11/10 21:02:31 morgan - * compile against .53 - * - * Revision 1.1 1996/10/25 03:19:36 morgan - * Initial revision - * - * - */ - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <fcntl.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <pwd.h> - -#include <security/_pam_macros.h> -/* - * here, we make a definition for the externally accessible function - * in this file (this definition is required for static a module - * but strongly encouraged generally) it is used to instruct the - * modules include file to define the function prototypes. - */ - -#define PAM_SM_AUTH - -#include <security/pam_modules.h> - -/* --- authentication management functions (only) --- */ - -PAM_EXTERN -int pam_sm_authenticate(pam_handle_t *pamh, int flags, int argc, - const char **argv) -{ - int retval = PAM_SUCCESS; - int fd; - const char *username; - char *mtmp=NULL; - struct passwd *user_pwd; - struct pam_conv *conversation; - struct pam_message message; - struct pam_message *pmessage = &message; - struct pam_response *resp = NULL; - struct stat st; - - if ((fd = open("/etc/nologin", O_RDONLY, 0)) >= 0) { - /* root can still log in; lusers cannot */ - if ((pam_get_user(pamh, &username, NULL) != PAM_SUCCESS) - || !username) { - return PAM_SERVICE_ERR; - } - user_pwd = getpwnam(username); - if (user_pwd && user_pwd->pw_uid == 0) { - message.msg_style = PAM_TEXT_INFO; - } else { - if (!user_pwd) { - retval = PAM_USER_UNKNOWN; - } else { - retval = PAM_AUTH_ERR; - } - message.msg_style = PAM_ERROR_MSG; - } - - /* fill in message buffer with contents of /etc/nologin */ - if (fstat(fd, &st) < 0) /* give up trying to display message */ - return retval; - message.msg = mtmp = malloc(st.st_size+1); - /* if malloc failed... */ - if (!message.msg) return retval; - read(fd, mtmp, st.st_size); - mtmp[st.st_size] = '\000'; - - /* Use conversation function to give user contents of /etc/nologin */ - pam_get_item(pamh, PAM_CONV, (const void **)&conversation); - conversation->conv(1, (const struct pam_message **)&pmessage, - &resp, conversation->appdata_ptr); - free(mtmp); - if (resp) - _pam_drop_reply(resp, 1); - } - - return retval; -} - -PAM_EXTERN -int pam_sm_setcred(pam_handle_t *pamh, int flags, int argc, - const char **argv) -{ - return PAM_SUCCESS; -} - - -#ifdef PAM_STATIC - -/* static module data */ - -struct pam_module _pam_nologin_modstruct = { - "pam_nologin", - pam_sm_authenticate, - pam_sm_setcred, - NULL, - NULL, - NULL, - NULL, -}; - -#endif - -/* end of module definition */ |
