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r21612: Make pam_winbind do the same username fixup on AIX as the WINBINDD

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LAM module does to work around a system that does not support
>8 character usernames.  Without the change, pam_winbind tries
to authenticate _#uid in the domain.
(This used to be commit 7f0ba72e05acbd958fbf768a04d16c29189dc8f7)
This commit is contained in:
Gerald Carter 2007-03-01 03:10:29 +00:00 committed by Gerald (Jerry) Carter
parent 85f769dbb4
commit 2c51e492f9
1 changed files with 32 additions and 2 deletions
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34
source3/nsswitch/pam_winbind.c
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@ -1517,6 +1517,8 @@ int pam_sm_authenticate(pam_handle_t *pamh, int flags,
dictionary *d = NULL;
char *username_ret = NULL;
char *new_authtok_required = NULL;
char *combined_member = NULL;
const char *real_username = NULL;
/* parse arguments */
int ctrl = _pam_parse(pamh, flags, argc, argv, &d);
@ -1535,6 +1537,30 @@ int pam_sm_authenticate(pam_handle_t *pamh, int flags,
goto out;
}
#if defined(AIX)
/* Decode the user name since AIX does not support logn user
names by default. The name is encoded as _#uid. */
if ( username[0] == '_' ) {
uid_t id = atoi( &username[1] );
struct passwd *pw = NULL;
if ( (id!=0) && ((pw = getpwuid( id )) != NULL) ) {
real_username = strdup( pw->pw_name );
}
}
#endif
if ( !real_username ) {
/* Just making a copy of the username we got from PAM */
if ( (real_username = strdup( username )) == NULL ) {
_pam_log_debug(pamh, ctrl, LOG_DEBUG,
"memory allocation failure when copying username");
retval = PAM_SERVICE_ERR;
goto out;
}
}
retval = _winbind_read_password(pamh, ctrl, NULL,
"Password: ", NULL,
&password);
@ -1549,9 +1575,9 @@ int pam_sm_authenticate(pam_handle_t *pamh, int flags,
#ifdef DEBUG_PASSWORD
_pam_log_debug(pamh, ctrl, LOG_INFO, "Verify user '%s' with password '%s'",
username, password);
real_username, password);
#else
_pam_log_debug(pamh, ctrl, LOG_INFO, "Verify user '%s'", username);
_pam_log_debug(pamh, ctrl, LOG_INFO, "Verify user '%s'", real_username);
#endif
member = get_member_from_config(pamh, argc, argv, ctrl, d);
@ -1594,6 +1620,10 @@ out:
free(username_ret);
}
if ( real_username ) {
free( real_username );
}
if (d) {
iniparser_freedict(d);
}