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-rw-r--r--modules/pam_tally/pam_tally.c840
1 files changed, 0 insertions, 840 deletions
diff --git a/modules/pam_tally/pam_tally.c b/modules/pam_tally/pam_tally.c
deleted file mode 100644
index 57fa611a..00000000
--- a/modules/pam_tally/pam_tally.c
+++ /dev/null
@@ -1,840 +0,0 @@
-/*
- * pam_tally.c
- *
- * $Id$
- */
-
-
-/* By Tim Baverstock <warwick@mmm.co.uk>, Multi Media Machine Ltd.
- * 5 March 1997
- *
- * Stuff stolen from pam_rootok and pam_listfile
- *
- * Changes by Tomas Mraz <tmraz@redhat.com> 5 January 2005
- * Audit option added for Tomas patch by Sebastien Tricaud <toady@gscore.org> 13 January 2005
- */
-
-#include <security/_pam_aconf.h>
-
-#if defined(MAIN) && defined(MEMORY_DEBUG)
-# undef exit
-#endif /* defined(MAIN) && defined(MEMORY_DEBUG) */
-
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <stdarg.h>
-#include <stdlib.h>
-#include <syslog.h>
-#include <pwd.h>
-#include <time.h>
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/param.h>
-#include "faillog.h"
-
-#ifndef TRUE
-#define TRUE 1L
-#define FALSE 0L
-#endif
-
-/*
- * 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
-#define PAM_SM_ACCOUNT
-/* #define PAM_SM_SESSION */
-/* #define PAM_SM_PASSWORD */
-
-#include <security/pam_modules.h>
-#include <security/_pam_modutil.h>
-
-/*---------------------------------------------------------------------*/
-
-#define DEFAULT_LOGFILE "/var/log/faillog"
-#define MODULE_NAME "pam_tally"
-
-#define tally_t unsigned short int
-#define TALLY_FMT "%hu"
-#define TALLY_HI ((tally_t)~0L)
-
-#define UID_FMT "%hu"
-
-#ifndef FILENAME_MAX
-# define FILENAME_MAX MAXPATHLEN
-#endif
-
-struct fail_s {
- struct faillog fs_faillog;
-#ifndef MAIN
- time_t fs_fail_time;
-#endif /* ndef MAIN */
-};
-
-struct tally_options {
- const char *filename;
- tally_t deny;
- long lock_time;
- long unlock_time;
- unsigned int ctrl;
-};
-
-#define PHASE_UNKNOWN 0
-#define PHASE_AUTH 1
-#define PHASE_ACCOUNT 2
-#define PHASE_SESSION 3
-
-#define OPT_MAGIC_ROOT 01
-#define OPT_FAIL_ON_ERROR 02
-#define OPT_DENY_ROOT 04
-#define OPT_PER_USER 010
-#define OPT_NO_LOCK_TIME 020
-#define OPT_NO_RESET 040
-#define OPT_AUDIT 100
-
-
-/*---------------------------------------------------------------------*/
-
-/* some syslogging */
-
-static void _pam_log(int err, const char *format, ...)
-{
- va_list args;
- va_start(args, format);
-
-#ifdef MAIN
- vfprintf(stderr,format,args);
- fprintf(stderr,"\n");
-#else
- openlog(MODULE_NAME, LOG_CONS|LOG_PID, LOG_AUTH);
- vsyslog(err, format, args);
- closelog();
-#endif
- va_end(args);
-}
-
-/*---------------------------------------------------------------------*/
-
-/* --- Support function: parse arguments --- */
-
-static void log_phase_no_auth( int phase, const char *argv )
-{
- if ( phase != PHASE_AUTH ) {
- _pam_log(LOG_ERR,
- MODULE_NAME ": option %s allowed in auth phase only", argv);
- }
-}
-
-static int tally_parse_args( struct tally_options *opts, int phase,
- int argc, const char **argv )
-{
- memset(opts, 0, sizeof(*opts));
- opts->filename = DEFAULT_LOGFILE;
-
- for ( ; argc-- > 0; ++argv ) {
-
- if ( ! strncmp( *argv, "file=", 5 ) ) {
- const char *from = *argv + 5;
- if ( *from!='/' || strlen(from)>FILENAME_MAX-1 ) {
- _pam_log(LOG_ERR,
- MODULE_NAME ": filename not /rooted or too long; ",
- *argv);
- return PAM_AUTH_ERR;
- }
- opts->filename = from;
- }
- else if ( ! strcmp( *argv, "onerr=fail" ) ) {
- opts->ctrl |= OPT_FAIL_ON_ERROR;
- }
- else if ( ! strcmp( *argv, "onerr=succeed" ) ) {
- opts->ctrl &= ~OPT_FAIL_ON_ERROR;
- }
- else if ( ! strcmp( *argv, "magic_root" ) ) {
- opts->ctrl |= OPT_MAGIC_ROOT;
- }
- else if ( ! strcmp( *argv, "even_deny_root_account" ) ) {
- log_phase_no_auth(phase, *argv);
- opts->ctrl |= OPT_DENY_ROOT;
- }
- else if ( ! strncmp( *argv, "deny=", 5 ) ) {
- log_phase_no_auth(phase, *argv);
- if ( sscanf((*argv)+5,TALLY_FMT,&opts->deny) != 1 ) {
- _pam_log(LOG_ERR,"bad number supplied; %s",*argv);
- return PAM_AUTH_ERR;
- }
- }
- else if ( ! strncmp( *argv, "lock_time=", 10 ) ) {
- log_phase_no_auth(phase, *argv);
- if ( sscanf((*argv)+10,"%ld",&opts->lock_time) != 1 ) {
- _pam_log(LOG_ERR,"bad number supplied; %s",*argv);
- return PAM_AUTH_ERR;
- }
- }
- else if ( ! strncmp( *argv, "unlock_time=", 12 ) ) {
- log_phase_no_auth(phase, *argv);
- if ( sscanf((*argv)+12,"%ld",&opts->unlock_time) != 1 ) {
- _pam_log(LOG_ERR,"bad number supplied; %s",*argv);
- return PAM_AUTH_ERR;
- }
- }
- else if ( ! strcmp( *argv, "per_user" ) )
- {
- log_phase_no_auth(phase, *argv);
- opts->ctrl |= OPT_PER_USER;
- }
- else if ( ! strcmp( *argv, "no_lock_time") )
- {
- log_phase_no_auth(phase, *argv);
- opts->ctrl |= OPT_NO_LOCK_TIME;
- }
- else if ( ! strcmp( *argv, "no_reset" ) ) {
- opts->ctrl |= OPT_NO_RESET;
- }
- else if ( ! strcmp ( *argv, "audit") ) {
- opts->ctrl |= OPT_AUDIT;
- }
- else {
- _pam_log(LOG_ERR, MODULE_NAME ": unknown option; %s",*argv);
- }
- }
-
- return PAM_SUCCESS;
-}
-
-/*---------------------------------------------------------------------*/
-
-/* --- Support function: get uid (and optionally username) from PAM or
- cline_user --- */
-
-#ifdef MAIN
-static char *cline_user=0; /* cline_user is used in the administration prog */
-#endif
-
-static int pam_get_uid( pam_handle_t *pamh, uid_t *uid, const char **userp, struct tally_options *opts)
- {
- const char *user = NULL;
- struct passwd *pw;
-
-#ifdef MAIN
- user = cline_user;
-#else
- pam_get_user( pamh, &user, NULL );
-#endif
-
- if ( !user || !*user ) {
- _pam_log(LOG_ERR, MODULE_NAME ": pam_get_uid; user?");
- return PAM_AUTH_ERR;
- }
-
- if ( ! ( pw = _pammodutil_getpwnam( pamh, user ) ) ) {
- opts->ctrl & OPT_AUDIT ?
- _pam_log(LOG_ERR,MODULE_NAME ": pam_get_uid; no such user %s",user) :
- _pam_log(LOG_ERR,MODULE_NAME ": pam_get_uid; no such user");
- return PAM_USER_UNKNOWN;
- }
-
- if ( uid ) *uid = pw->pw_uid;
- if ( userp ) *userp = user;
- return PAM_SUCCESS;
- }
-
-/*---------------------------------------------------------------------*/
-
-/* --- Support functions: set/get tally data --- */
-
-static void _cleanup( pam_handle_t *pamh, void *data, int error_status )
- {
- free(data);
- }
-
-static void tally_set_data( pam_handle_t *pamh, time_t oldtime )
- {
- time_t *data;
-
- if ( (data=malloc(sizeof(time_t))) != NULL ) {
- *data = oldtime;
- pam_set_data(pamh, MODULE_NAME, (void *)data, _cleanup);
- }
- }
-
-static int tally_get_data( pam_handle_t *pamh, time_t *oldtime )
- {
- int rv;
- const void *data;
-
- rv = pam_get_data(pamh, MODULE_NAME, &data);
- if ( rv == PAM_SUCCESS && oldtime != NULL ) {
- *oldtime = *(const time_t *)data;
- pam_set_data(pamh, MODULE_NAME, NULL, NULL);
- }
- else {
- rv = -1;
- *oldtime = 0;
- }
- return rv;
- }
-
-/*---------------------------------------------------------------------*/
-
-/* --- Support function: open/create tallyfile and return tally for uid --- */
-
-/* If on entry *tally==TALLY_HI, tallyfile is opened READONLY */
-/* Otherwise, if on entry tallyfile doesn't exist, creation is attempted. */
-
-static int get_tally( tally_t *tally,
- uid_t uid,
- const char *filename,
- FILE **TALLY,
- struct fail_s *fsp)
- {
- struct stat fileinfo;
- int lstat_ret = lstat(filename,&fileinfo);
-
- if ( lstat_ret && *tally!=TALLY_HI ) {
- int oldmask = umask(077);
- *TALLY=fopen(filename, "a");
- /* Create file, or append-open in pathological case. */
- umask(oldmask);
- if ( !*TALLY ) {
- _pam_log(LOG_ALERT, "Couldn't create %s",filename);
- return PAM_AUTH_ERR;
- }
- lstat_ret = fstat(fileno(*TALLY),&fileinfo);
- fclose(*TALLY);
- }
-
- if ( lstat_ret ) {
- _pam_log(LOG_ALERT, "Couldn't stat %s",filename);
- return PAM_AUTH_ERR;
- }
-
- if((fileinfo.st_mode & S_IWOTH) || !S_ISREG(fileinfo.st_mode)) {
- /* If the file is world writable or is not a
- normal file, return error */
- _pam_log(LOG_ALERT,
- "%s is either world writable or not a normal file",
- filename);
- return PAM_AUTH_ERR;
- }
-
- if ( ! ( *TALLY = fopen(filename,(*tally!=TALLY_HI)?"r+":"r") ) ) {
- _pam_log(LOG_ALERT, "Error opening %s for update", filename);
-
-/* Discovering why account service fails: e/uid are target user.
- *
- * perror(MODULE_NAME);
- * fprintf(stderr,"uid %d euid %d\n",getuid(), geteuid());
- */
- return PAM_AUTH_ERR;
- }
-
- if ( fseek( *TALLY, uid * sizeof(struct faillog), SEEK_SET ) ) {
- _pam_log(LOG_ALERT, "fseek failed %s", filename);
- fclose(*TALLY);
- return PAM_AUTH_ERR;
- }
-
- if ( fileinfo.st_size <= uid * sizeof(struct faillog) ) {
-
- memset(fsp, 0, sizeof(struct faillog));
- *tally=0;
- fsp->fs_faillog.fail_time = time(NULL);
-
- } else if (( fread((char *) &fsp->fs_faillog,
- sizeof(struct faillog), 1, *TALLY) )==0 ) {
-
- *tally=0; /* Assuming a gappy filesystem */
-
- } else {
-
- *tally = fsp->fs_faillog.fail_cnt;
-
- }
-
- return PAM_SUCCESS;
- }
-
-/*---------------------------------------------------------------------*/
-
-/* --- Support function: update and close tallyfile with tally!=TALLY_HI --- */
-
-static int set_tally( tally_t tally,
- uid_t uid,
- const char *filename,
- FILE **TALLY,
- struct fail_s *fsp)
- {
- if ( tally!=TALLY_HI )
- {
- if ( fseek( *TALLY, uid * sizeof(struct faillog), SEEK_SET ) ) {
- _pam_log(LOG_ALERT, "fseek failed %s", filename);
- return PAM_AUTH_ERR;
- }
- fsp->fs_faillog.fail_cnt = tally;
- if (fwrite((char *) &fsp->fs_faillog,
- sizeof(struct faillog), 1, *TALLY)==0 ) {
- _pam_log(LOG_ALERT, "tally update (fwrite) failed.", filename);
- return PAM_AUTH_ERR;
- }
- }
-
- if ( fclose(*TALLY) ) {
- _pam_log(LOG_ALERT, "tally update (fclose) failed.", filename);
- return PAM_AUTH_ERR;
- }
- *TALLY=NULL;
- return PAM_SUCCESS;
- }
-
-/*---------------------------------------------------------------------*/
-
-/* --- PAM bits --- */
-
-#ifndef MAIN
-
-#define PAM_FUNCTION(name) \
- PAM_EXTERN int name (pam_handle_t *pamh,int flags,int argc,const char **argv)
-
-#define RETURN_ERROR(i) return ((opts->ctrl & OPT_FAIL_ON_ERROR)?(i):(PAM_SUCCESS))
-
-/*---------------------------------------------------------------------*/
-
-/* --- tally bump function: bump tally for uid by (signed) inc --- */
-
-static int tally_bump (int inc, time_t *oldtime,
- pam_handle_t *pamh,
- uid_t uid,
- const char *user,
- struct tally_options *opts) {
- tally_t
- tally = 0; /* !TALLY_HI --> Log opened for update */
-
- FILE
- *TALLY = NULL;
- const char
- *remote_host = NULL,
- *cur_tty = NULL;
- struct fail_s fs, *fsp = &fs;
- int i;
-
- i=get_tally( &tally, uid, opts->filename, &TALLY, fsp );
-
- /* to remember old fail time (for locktime) */
- fsp->fs_fail_time = fsp->fs_faillog.fail_time;
- if ( inc > 0 ) {
- if ( oldtime ) {
- *oldtime = fsp->fs_faillog.fail_time;
- }
- fsp->fs_faillog.fail_time = time(NULL);
- } else {
- if ( oldtime ) {
- fsp->fs_faillog.fail_time = *oldtime;
- }
- }
- (void) pam_get_item(pamh, PAM_RHOST, (const void **)&remote_host);
- if (!remote_host) {
-
- (void) pam_get_item(pamh, PAM_TTY, (const void **)&cur_tty);
- if (!cur_tty) {
- strncpy(fsp->fs_faillog.fail_line, "unknown",
- sizeof(fsp->fs_faillog.fail_line) - 1);
- fsp->fs_faillog.fail_line[sizeof(fsp->fs_faillog.fail_line)-1] = 0;
- } else {
- strncpy(fsp->fs_faillog.fail_line, cur_tty,
- sizeof(fsp->fs_faillog.fail_line)-1);
- fsp->fs_faillog.fail_line[sizeof(fsp->fs_faillog.fail_line)-1] = 0;
- }
-
- } else {
- strncpy(fsp->fs_faillog.fail_line, remote_host,
- (size_t)sizeof(fsp->fs_faillog.fail_line));
- fsp->fs_faillog.fail_line[sizeof(fsp->fs_faillog.fail_line)-1] = 0;
- }
- if ( i != PAM_SUCCESS ) { if (TALLY) fclose(TALLY); RETURN_ERROR( i ); }
-
- if ( !(opts->ctrl & OPT_MAGIC_ROOT) || getuid() ) { /* magic_root doesn't change tally */
-
- tally+=inc;
-
- if ( tally==TALLY_HI ) { /* Overflow *and* underflow. :) */
- tally-=inc;
- _pam_log(LOG_ALERT,"Tally %sflowed for user %s",
- (inc<0)?"under":"over",user);
- }
- }
-
- i=set_tally( tally, uid, opts->filename, &TALLY, fsp );
- if ( i != PAM_SUCCESS ) { if (TALLY) fclose(TALLY); RETURN_ERROR( i ); }
-
- return PAM_SUCCESS;
-}
-
-static int tally_check (time_t oldtime,
- pam_handle_t *pamh,
- uid_t uid,
- const char *user,
- struct tally_options *opts) {
- tally_t
- deny = opts->deny;
- tally_t
- tally = 0; /* !TALLY_HI --> Log opened for update */
- long
- lock_time = opts->lock_time;
-
- struct fail_s fs, *fsp = &fs;
- FILE *TALLY=0;
- int i;
-
- i=get_tally( &tally, uid, opts->filename, &TALLY, fsp );
- if (TALLY) fclose(TALLY);
- if ( i != PAM_SUCCESS ) { RETURN_ERROR( i ); }
-
- if ( !(opts->ctrl & OPT_MAGIC_ROOT) || getuid() ) { /* magic_root skips tally check */
-
- /* To deny or not to deny; that is the question */
-
- /* if there's .fail_max entry and per_user=TRUE then deny=.fail_max */
-
- if ( (fsp->fs_faillog.fail_max) && (opts->ctrl & OPT_PER_USER) ) {
- deny = fsp->fs_faillog.fail_max;
- }
- if ( (fsp->fs_faillog.fail_locktime) && (opts->ctrl & OPT_PER_USER) ) {
- lock_time = fsp->fs_faillog.fail_locktime;
- }
- if (lock_time && oldtime
- && !(opts->ctrl & OPT_NO_LOCK_TIME) )
- {
- if ( lock_time + oldtime > time(NULL) )
- {
- _pam_log(LOG_NOTICE,
- "user %s ("UID_FMT") has time limit [%lds left]"
- " since last failure.",
- user,uid,
- oldtime+lock_time
- -time(NULL));
- return PAM_AUTH_ERR;
- }
- }
- if (opts->unlock_time && oldtime)
- {
- if ( opts->unlock_time + oldtime <= time(NULL) )
- { /* ignore deny check after unlock_time elapsed */
- return PAM_SUCCESS;
- }
- }
- if (
- ( deny != 0 ) && /* deny==0 means no deny */
- ( tally > deny ) && /* tally>deny means exceeded */
- ( ((opts->ctrl & OPT_DENY_ROOT) || uid) ) /* even_deny stops uid check */
- ) {
- _pam_log(LOG_NOTICE,"user %s ("UID_FMT") tally "TALLY_FMT", deny "TALLY_FMT,
- user, uid, tally, deny);
- return PAM_AUTH_ERR; /* Only unconditional failure */
- }
- }
-
- return PAM_SUCCESS;
-}
-
-static int tally_reset (pam_handle_t *pamh,
- uid_t uid,
- const char *user,
- struct tally_options *opts) {
- tally_t
- tally = 0; /* !TALLY_HI --> Log opened for update */
-
- struct fail_s fs, *fsp = &fs;
- FILE *TALLY=0;
- int i;
-
- i=get_tally( &tally, uid, opts->filename, &TALLY, fsp );
- if ( i != PAM_SUCCESS ) { if (TALLY) fclose(TALLY); RETURN_ERROR( i ); }
-
- /* resets if not magic root
- */
-
- if ( (!(opts->ctrl & OPT_MAGIC_ROOT) || getuid())
- && !(opts->ctrl & OPT_NO_RESET) )
- { tally=0; }
-
- if (tally == 0)
- {
- fsp->fs_faillog.fail_time = (time_t) 0;
- strcpy(fsp->fs_faillog.fail_line, "");
- }
-
- i=set_tally( tally, uid, opts->filename, &TALLY, fsp );
- if ( i != PAM_SUCCESS ) { if (TALLY) fclose(TALLY); RETURN_ERROR( i ); }
-
- return PAM_SUCCESS;
-}
-
-/*---------------------------------------------------------------------*/
-
-/* --- authentication management functions (only) --- */
-
-#ifdef PAM_SM_AUTH
-
-PAM_FUNCTION( pam_sm_authenticate ) {
- int
- rvcheck, rvbump;
- time_t
- oldtime = 0;
- struct tally_options
- options, *opts = &options;
- uid_t
- uid;
- const char
- *user;
-
- rvcheck = tally_parse_args(opts, PHASE_AUTH, argc, argv);
- if ( rvcheck != PAM_SUCCESS )
- RETURN_ERROR( rvcheck );
-
- rvcheck = pam_get_uid(pamh, &uid, &user, opts);
- if ( rvcheck != PAM_SUCCESS )
- RETURN_ERROR( rvcheck );
-
- rvbump = tally_bump(1, &oldtime, pamh, uid, user, opts);
- rvcheck = tally_check(oldtime, pamh, uid, user, opts);
-
- tally_set_data(pamh, oldtime);
-
- return rvcheck != PAM_SUCCESS ? rvcheck : rvbump;
-}
-
-PAM_FUNCTION( pam_sm_setcred ) {
- int
- rv;
- time_t
- oldtime = 0;
- struct tally_options
- options, *opts = &options;
- uid_t
- uid;
- const char
- *user;
-
- rv = tally_parse_args(opts, PHASE_AUTH, argc, argv);
- if ( rv != PAM_SUCCESS )
- RETURN_ERROR( rv );
-
- rv = pam_get_uid(pamh, &uid, &user, opts);
- if ( rv != PAM_SUCCESS )
- RETURN_ERROR( rv );
-
- if ( tally_get_data(pamh, &oldtime) != 0 )
- /* no data found */
- return PAM_SUCCESS;
-
- if ( (rv=tally_bump(-1, &oldtime, pamh, uid, user, opts)) != PAM_SUCCESS )
- return rv;
- return tally_reset(pamh, uid, user, opts);
-}
-
-#endif
-
-/*---------------------------------------------------------------------*/
-
-/* --- authentication management functions (only) --- */
-
-#ifdef PAM_SM_ACCOUNT
-
-/* To reset failcount of user on successfull login */
-
-PAM_FUNCTION( pam_sm_acct_mgmt ) {
- int
- rv;
- time_t
- oldtime = 0;
- struct tally_options
- options, *opts = &options;
- uid_t
- uid;
- const char
- *user;
-
- rv = tally_parse_args(opts, PHASE_ACCOUNT, argc, argv);
- if ( rv != PAM_SUCCESS )
- RETURN_ERROR( rv );
-
- rv = pam_get_uid(pamh, &uid, &user, opts);
- if ( rv != PAM_SUCCESS )
- RETURN_ERROR( rv );
-
- if ( tally_get_data(pamh, &oldtime) != 0 )
- /* no data found */
- return PAM_SUCCESS;
-
- if ( (rv=tally_bump(-1, &oldtime, pamh, uid, user, opts)) != PAM_SUCCESS )
- return rv;
- return tally_reset(pamh, uid, user, opts);
-}
-
-#endif /* #ifdef PAM_SM_ACCOUNT */
-
-/*-----------------------------------------------------------------------*/
-
-#ifdef PAM_STATIC
-
-/* static module data */
-
-struct pam_module _pam_tally_modstruct = {
- MODULE_NAME,
-#ifdef PAM_SM_AUTH
- pam_sm_authenticate,
- pam_sm_setcred,
-#else
- NULL,
- NULL,
-#endif
-#ifdef PAM_SM_ACCOUNT
- pam_sm_acct_mgmt,
-#else
- NULL,
-#endif
- NULL,
- NULL,
- NULL,
-};
-
-#endif /* #ifdef PAM_STATIC */
-
-/*-----------------------------------------------------------------------*/
-
-#else /* #ifndef MAIN */
-
-static const char *cline_filename = DEFAULT_LOGFILE;
-static tally_t cline_reset = TALLY_HI; /* Default is `interrogate only' */
-static int cline_quiet = 0;
-
-/*
- * Not going to link with pamlib just for these.. :)
- */
-
-static const char * pam_errors( int i ) {
- switch (i) {
- case PAM_AUTH_ERR: return "Authentication error";
- case PAM_SERVICE_ERR: return "Service error";
- case PAM_USER_UNKNOWN: return "Unknown user";
- default: return "Unknown error";
- }
-}
-
-static int getopts( int argc, char **argv ) {
- const char *pname = *argv;
- for ( ; *argv ; (void)(*argv && ++argv) ) {
- if ( !strcmp (*argv,"--file") ) cline_filename=*++argv;
- else if ( !strncmp(*argv,"--file=",7) ) cline_filename=*argv+7;
- else if ( !strcmp (*argv,"--user") ) cline_user=*++argv;
- else if ( !strncmp(*argv,"--user=",7) ) cline_user=*argv+7;
- else if ( !strcmp (*argv,"--reset") ) cline_reset=0;
- else if ( !strncmp(*argv,"--reset=",8)) {
- if ( sscanf(*argv+8,TALLY_FMT,&cline_reset) != 1 )
- fprintf(stderr,"%s: Bad number given to --reset=\n",pname), exit(0);
- }
- else if ( !strcmp (*argv,"--quiet") ) cline_quiet=1;
- else {
- fprintf(stderr,"%s: Unrecognised option %s\n",pname,*argv);
- return FALSE;
- }
- }
- return TRUE;
-}
-
-int main ( int argc, char **argv ) {
-
- struct fail_s fs, *fsp = &fs;
-
- if ( ! getopts( argc, argv+1 ) ) {
- printf("%s: [--file rooted-filename] [--user username] "
- "[--reset[=n]] [--quiet]\n",
- *argv);
- exit(0);
- }
-
- umask(077);
-
- /*
- * Major difference between individual user and all users:
- * --user just handles one user, just like PAM.
- * --user=* handles all users, sniffing cline_filename for nonzeros
- */
-
- if ( cline_user ) {
- uid_t uid;
- tally_t tally=cline_reset;
- FILE *TALLY=0;
- struct tally_options opts;
- int i;
-
- memset(&opts, 0, sizeof(opts));
- opts.ctrl = OPT_AUDIT;
- i=pam_get_uid( NULL, &uid, NULL, &opts);
- if ( i != PAM_SUCCESS ) {
- fprintf(stderr,"%s: %s\n",*argv,pam_errors(i));
- exit(0);
- }
-
- i=get_tally( &tally, uid, cline_filename, &TALLY, fsp );
- if ( i != PAM_SUCCESS ) {
- if (TALLY) fclose(TALLY);
- fprintf(stderr,"%s: %s\n",*argv,pam_errors(i));
- exit(0);
- }
-
- if ( !cline_quiet )
- printf("User %s\t("UID_FMT")\t%s "TALLY_FMT"\n",cline_user,uid,
- (cline_reset!=TALLY_HI)?"had":"has",tally);
-
- i=set_tally( cline_reset, uid, cline_filename, &TALLY, fsp );
- if ( i != PAM_SUCCESS ) {
- if (TALLY) fclose(TALLY);
- fprintf(stderr,"%s: %s\n",*argv,pam_errors(i));
- exit(0);
- }
- }
- else /* !cline_user (ie, operate on all users) */ {
- FILE *TALLY=fopen(cline_filename, "r");
- uid_t uid=0;
- if ( !TALLY ) perror(*argv), exit(0);
-
- for ( ; !feof(TALLY); uid++ ) {
- tally_t tally;
- struct passwd *pw;
- if ( ! fread((char *) &fsp->fs_faillog,
- sizeof (struct faillog), 1, TALLY)
- || ! fsp->fs_faillog.fail_cnt ) {
- continue;
- }
- tally = fsp->fs_faillog.fail_cnt;
-
- if ( ( pw=getpwuid(uid) ) ) {
- printf("User %s\t("UID_FMT")\t%s "TALLY_FMT"\n",pw->pw_name,uid,
- (cline_reset!=TALLY_HI)?"had":"has",tally);
- }
- else {
- printf("User [NONAME]\t("UID_FMT")\t%s "TALLY_FMT"\n",uid,
- (cline_reset!=TALLY_HI)?"had":"has",tally);
- }
- }
- fclose(TALLY);
- if ( cline_reset!=0 && cline_reset!=TALLY_HI ) {
- fprintf(stderr,"%s: Can't reset all users to non-zero\n",*argv);
- }
- else if ( !cline_reset ) {
- TALLY=fopen(cline_filename, "w");
- if ( !TALLY ) perror(*argv), exit(0);
- fclose(TALLY);
- }
- }
- return 0;
-}
-
-
-#endif
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-29 03:40:15 +0000