module writing / compiling problems?

[Jason Gerfen]

Nope, no errors, nothing... very strange.

Chris Campbell wrote:

>What is it doing or not doing?  Any error messages in system logs???
>
>----- Original Message -----
>From: "Jason Gerfen" <jason.gerfen at scl.utah.edu>
>To: "Pluggable Authentication Modules" <pam-list at redhat.com>
>Sent: Wednesday, June 09, 2004 5:34 PM
>Subject: module writing / compiling problems?
>
>
>  
>
>>I am doing something wrong as it comes to writting a pam module.  If
>>anyone can tell me what I am doing wrong, it would be greatly appreciated.
>>
>>This module does one thing, on the pam_sm_authenticate() function it
>>attempts to call the pam_get_user() function and on success or failure
>>it logs it to syslog using a _pam_log() function.
>>
>>Here is the code:  File is named lame.c
>>[SNIP]
>>#include <stdio.h>
>>#include <syslog.h>
>>#include <stdarg.h>
>>
>>#define PAM_SM_AUTH
>>
>>#include <pam_modules.h>
>>
>>static void _pam_log(int err, const char *format, ...)
>>{
>>    va_list  args;
>>
>>    va_start(args, format);
>>    openlog("PAM-lame", LOG_CONS | LOG_PID, LOG_AUTHPRIV);
>>    syslog(err, format, args);
>>    va_end(args);
>>    closelog();
>>}
>>
>>PAM_EXTERN
>>int pam_sm_authenticate(pam_handle_t *pamh, int flags, int argc,
>>            const char **argv)
>>{
>>    int retval;
>>    const char *user;
>>
>>    if((retval = pam_get_user(pamh, &user, "looser login:") !=
>>PAM_SUCCESS)) {
>>    _pam_log(LOG_ERR, "Cannot obtain user name: %s",
>>         pam_strerror(pamh, retval));
>>    return(PAM_AUTHINFO_UNAVAIL); }
>>
>>    if((retval = pam_get_user(pamh, &user, "looser login:") ==
>>PAM_SUCCESS)) {
>>        _pam_log(LOG_ERR, "Obtained username: %s",
>>         pam_strerror(pamh, retval));
>>        return(PAM_SUCCESS); }
>>
>>    _pam_log(LOG_ERR, "Just checking", pam_strerror(pamh, retval));
>>
>>    return retval;
>>
>>}
>>
>>#ifdef PAM_STATIC
>>struct pam_module _pam_looser_modstruct = {
>>    "pam_looser",
>>    pam_sm_authenticate,
>>    NULL,
>>    NULL,
>>    NULL,
>>    NULL,
>>    NULL,
>>};
>>#endif
>>[/SNIP]
>>
>>And I am compiling using a simply Makefile listed below:
>>[SNIP]
>>#include <stdio.h>
>>#include <syslog.h>
>>#include <stdarg.h>
>>
>>#define PAM_SM_AUTH
>>
>>#include <pam_modules.h>
>>
>>static void _pam_log(int err, const char *format, ...)
>>{
>>    va_list  args;
>>
>>    va_start(args, format);
>>    openlog("PAM-lame", LOG_CONS | LOG_PID, LOG_AUTHPRIV);
>>    syslog(err, format, args);
>>    va_end(args);
>>    closelog();
>>}
>>
>>PAM_EXTERN
>>int pam_sm_authenticate(pam_handle_t *pamh, int flags, int argc,
>>            const char **argv)
>>{
>>    int retval;
>>    const char *user;
>>
>>    if((retval = pam_get_user(pamh, &user, "looser login:") !=
>>PAM_SUCCESS)) {
>>    _pam_log(LOG_ERR, "Cannot obtain user name: %s",
>>         pam_strerror(pamh, retval));
>>    return(PAM_AUTHINFO_UNAVAIL); }
>>
>>    if((retval = pam_get_user(pamh, &user, "looser login:") ==
>>PAM_SUCCESS)) {
>>        _pam_log(LOG_ERR, "Obtained username: %s",
>>         pam_strerror(pamh, retval));
>>        return(PAM_SUCCESS); }
>>
>>    _pam_log(LOG_ERR, "Just checking", pam_strerror(pamh, retval));
>>
>>    return retval;
>>
>>}
>>
>>#ifdef PAM_STATIC
>>struct pam_module _pam_looser_modstruct = {
>>    "pam_looser",
>>    pam_sm_authenticate,
>>    NULL,
>>    NULL,
>>    NULL,
>>    NULL,
>>    NULL,
>>};
>>#endif
>>[/SNIP]
>>
>>Any help tips, pointers etc would be greatly appreciated.  Also if there
>>    
>>
>is a "typo" please disregard as on the production box it compiles just fine,
>and of couse I do have it added to the /etc/pam.d/login file like so:
>  
>
>>auth required pam_looser.so
>>
>>Thanks in advance,
>>
>>--
>>Jason Gerfen
>>
>>"...Sometimes I just yell at myself. And it
>> makes me sad, sometimes I make myself cry..."
>>~ My nephew Dawsyn
>>
>>
>>
>>_______________________________________________
>>Pam-list mailing list
>>Pam-list at redhat.com
>>https://www.redhat.com/mailman/listinfo/pam-list
>>
>>    
>>


-- 
Jason Gerfen
Student Computing Group
Marriott Library
University of Utah
(801) 585-9810
jason.Gerfen at scl.utah.edu

"...Sometimes I just yell at myself. And it
 makes me sad, sometimes I make myself cry..."
			~ My nephew Dawsyn