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Diffstat (limited to 'contrib/libpam/examples/check_user.c')
-rw-r--r-- | contrib/libpam/examples/check_user.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/contrib/libpam/examples/check_user.c b/contrib/libpam/examples/check_user.c new file mode 100644 index 0000000..6a64c22 --- /dev/null +++ b/contrib/libpam/examples/check_user.c @@ -0,0 +1,65 @@ +/* + $Id: check_user.c,v 1.1 1996/11/10 21:19:30 morgan Exp morgan $ + + This program was contributed by Shane Watts <shane@icarus.bofh.asn.au> + slight modifications by AGM. + + You need to add the following (or equivalent) to the /etc/pam.conf file. + # check authorization + check auth required pam_unix_auth.so + check account required pam_unix_acct.so + + $Log: check_user.c,v $ + Revision 1.1 1996/11/10 21:19:30 morgan + Initial revision + + */ + +#include <security/pam_appl.h> +#include <security/pam_misc.h> +#include <stdio.h> + +static struct pam_conv conv = { + misc_conv, + NULL +}; + +int main(int argc, char *argv[]) +{ + pam_handle_t *pamh=NULL; + int retval; + const char *user="nobody"; + + if(argc == 2) { + user = argv[1]; + } + + if(argc > 2) { + fprintf(stderr, "Usage: check_user [username]\n"); + exit(1); + } + + retval = pam_start("check", user, &conv, &pamh); + + if (retval == PAM_SUCCESS) + retval = pam_authenticate(pamh, 0); /* is user really user? */ + + if (retval == PAM_SUCCESS) + retval = pam_acct_mgmt(pamh, 0); /* permitted access? */ + + /* This is where we have been authorized or not. */ + + if (retval == PAM_SUCCESS) { + fprintf(stdout, "Authenticated\n"); + } else { + fprintf(stdout, "Not Authenticated\n"); + } + + if (pam_end(pamh,retval) != PAM_SUCCESS) { /* close Linux-PAM */ + pamh = NULL; + fprintf(stderr, "check_user: failed to release authenticator\n"); + exit(1); + } + + return ( retval == PAM_SUCCESS ? 0:1 ); /* indicate success */ +} |