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Diffstat (limited to 'modules/pammodutil/modutil_getlogin.c')
-rw-r--r--modules/pammodutil/modutil_getlogin.c73
1 files changed, 0 insertions, 73 deletions
diff --git a/modules/pammodutil/modutil_getlogin.c b/modules/pammodutil/modutil_getlogin.c
deleted file mode 100644
index fa67402d..00000000
--- a/modules/pammodutil/modutil_getlogin.c
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * $Id$
- *
- * A central point for invoking getlogin(). Hopefully, this is a
- * little harder to spoof than all the other versions that are out
- * there.
- */
-
-#include "pammodutil.h"
-
-#include <stdlib.h>
-#include <unistd.h>
-#include <utmp.h>
-
-#define _PAMMODUTIL_GETLOGIN "_pammodutil_getlogin"
-
-const char *_pammodutil_getlogin(pam_handle_t *pamh)
-{
- int status;
- const void *logname;
- const void *void_curr_tty;
- const char *curr_tty;
- char *curr_user;
- struct utmp *ut, line;
-
- status = pam_get_data(pamh, _PAMMODUTIL_GETLOGIN, &logname);
- if (status == PAM_SUCCESS) {
- return logname;
- }
-
- status = pam_get_item(pamh, PAM_TTY, &void_curr_tty);
- if ((status != PAM_SUCCESS) || (void_curr_tty == NULL))
- curr_tty = ttyname(0);
- else
- curr_tty = (const char*)void_curr_tty;
-
- if ((curr_tty == NULL) || memcmp(curr_tty, "/dev/", 5)) {
- return NULL;
- }
-
- curr_tty += 5; /* strlen("/dev/") */
- logname = NULL;
-
- setutent();
- strncpy(line.ut_line, curr_tty, sizeof(line.ut_line));
-
- if ((ut = getutline(&line)) == NULL) {
- goto clean_up_and_go_home;
- }
-
- curr_user = calloc(sizeof(line.ut_user)+1, 1);
- if (curr_user == NULL) {
- goto clean_up_and_go_home;
- }
-
- strncpy(curr_user, ut->ut_user, sizeof(ut->ut_user));
- /* calloc already zeroed the memory */
-
- status = pam_set_data(pamh, _PAMMODUTIL_GETLOGIN, curr_user,
- _pammodutil_cleanup);
- if (status != PAM_SUCCESS) {
- free(curr_user);
- goto clean_up_and_go_home;
- }
-
- logname = curr_user;
-
-clean_up_and_go_home:
-
- endutent();
-
- return logname;
-}