Re: module writing / compiling problems?

[Jason Gerfen <jason.gerfen@xxxxxxxxxxxx>]

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@xxxxxxxxxxxx>
> To: "Pluggable Authentication Modules" <pam-list@xxxxxxxxxx>
> 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@xxxxxxxxxx
> > https://www.redhat.com/mailman/listinfo/pam-list
> >
> >    


--
Jason Gerfen
Student Computing Group
Marriott Library
University of Utah
(801) 585-9810
jason.Gerfen@xxxxxxxxxxxx

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



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