diff options
Diffstat (limited to 'dynamic/pam.c')
| -rw-r--r-- | dynamic/pam.c | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/dynamic/pam.c b/dynamic/pam.c deleted file mode 100644 index 6dd376c2..00000000 --- a/dynamic/pam.c +++ /dev/null @@ -1,180 +0,0 @@ -/* - * $Id$ - * - * If you want to dynamically load libpam using dlopen() or something, - * then dlopen( ' this shared object ' ); It takes care of exporting - * the right symbols to any modules loaded by libpam. - */ - -#include <stdio.h> -#include <dlfcn.h> -#include <security/pam_appl.h> -#include <security/_pam_macros.h> - -#ifndef LIBPAMPATH -#define LIBPAMPATH "/lib/libpam.so" -#endif - -static void *libpam_h = NULL; - -#define CONFIRM_PAM_FUNCTION(x, y, z, err) \ - do { \ - union { const void *tpointer; y (*fn) z ; } fptr; \ - fptr.tpointer = dlsym(libpam_h, #x); real_##x = fptr.fn; \ - if (real_##x == NULL) { \ - D(("unable to resolve '" #x "': %s", dlerror())); \ - return err; \ - } \ - } while (0) - - -extern void _init(void); - -void _init() -{ - if (libpam_h == NULL) { - libpam_h = dlopen(LIBPAMPATH, RTLD_GLOBAL|RTLD_NOW); - } -} - -extern void _fini(void); - -void _fini() -{ - if (libpam_h != NULL) { - dlclose(libpam_h); - } -} - -int pam_start(const char *service_name, const char *user, - const struct pam_conv *pam_conversation, - pam_handle_t **pamh) -{ - static int (*real_pam_start)(const char *, const char *, - const struct pam_conv *, - pam_handle_t **); - CONFIRM_PAM_FUNCTION(pam_start, int, (const char *, const char *, - const struct pam_conv *, - pam_handle_t **), PAM_ABORT); - return real_pam_start(service_name, user, pam_conversation, pamh); -} - -int pam_end(pam_handle_t *pamh, int pam_status) -{ - static int (*real_pam_end)(pam_handle_t *, int); - CONFIRM_PAM_FUNCTION(pam_end, int, (pam_handle_t *, int), PAM_ABORT); - return real_pam_end(pamh, pam_status); -} - -int pam_set_item(pam_handle_t *pamh, int item_type, const void *item) -{ - static int (*real_pam_set_item)(pam_handle_t *, int, const void *); - CONFIRM_PAM_FUNCTION(pam_set_item, int, - (pam_handle_t *, int, const void *), PAM_ABORT); - return real_pam_set_item(pamh, item_type, item); -} - -int pam_get_item(const pam_handle_t *pamh, int item_type, const void **item) -{ - static int (*real_pam_get_item)(const pam_handle_t *, int, const void **); - CONFIRM_PAM_FUNCTION(pam_get_item, int, - (const pam_handle_t *, int, const void **), - PAM_ABORT); - return real_pam_get_item(pamh, item_type, item); -} - -int pam_fail_delay(pam_handle_t *pamh, unsigned int musec_delay) -{ - static int (*real_pam_fail_delay)(pam_handle_t *, unsigned int); - CONFIRM_PAM_FUNCTION(pam_fail_delay, int, (pam_handle_t *, unsigned int), - PAM_ABORT); - return real_pam_fail_delay(pamh, musec_delay); -} - -typedef const char * const_char_pointer; - -const_char_pointer pam_strerror(pam_handle_t *pamh, int errnum) -{ - static const_char_pointer (*real_pam_strerror)(pam_handle_t *, int); - CONFIRM_PAM_FUNCTION(pam_strerror, const_char_pointer, - (pam_handle_t *, int), NULL); - return real_pam_strerror(pamh, errnum); -} - -int pam_putenv(pam_handle_t *pamh, const char *name_value) -{ - static int (*real_pam_putenv)(pam_handle_t *, const char *); - CONFIRM_PAM_FUNCTION(pam_putenv, int, (pam_handle_t *, const char *), - PAM_ABORT); - return real_pam_putenv(pamh, name_value); -} - -const_char_pointer pam_getenv(pam_handle_t *pamh, const char *name) -{ - static const_char_pointer (*real_pam_getenv)(pam_handle_t *, const char *); - CONFIRM_PAM_FUNCTION(pam_getenv, const_char_pointer, - (pam_handle_t *, const char *), NULL); - return real_pam_getenv(pamh, name); -} - -typedef char ** char_ppointer; -char_ppointer pam_getenvlist(pam_handle_t *pamh) -{ - static char_ppointer (*real_pam_getenvlist)(pam_handle_t *); - CONFIRM_PAM_FUNCTION(pam_getenvlist, char_ppointer, (pam_handle_t *), - NULL); - return real_pam_getenvlist(pamh); -} - -/* Authentication management */ - -int pam_authenticate(pam_handle_t *pamh, int flags) -{ - static int (*real_pam_authenticate)(pam_handle_t *, int); - CONFIRM_PAM_FUNCTION(pam_authenticate, int, (pam_handle_t *, int), - PAM_ABORT); - return real_pam_authenticate(pamh, flags); -} - -int pam_setcred(pam_handle_t *pamh, int flags) -{ - static int (*real_pam_setcred)(pam_handle_t *, int); - CONFIRM_PAM_FUNCTION(pam_setcred, int, (pam_handle_t *, int), PAM_ABORT); - return real_pam_setcred(pamh, flags); -} - -/* Account Management API's */ - -int pam_acct_mgmt(pam_handle_t *pamh, int flags) -{ - static int (*real_pam_acct_mgmt)(pam_handle_t *, int); - CONFIRM_PAM_FUNCTION(pam_acct_mgmt, int, (pam_handle_t *, int), PAM_ABORT); - return real_pam_acct_mgmt(pamh, flags); -} - -/* Session Management API's */ - -int pam_open_session(pam_handle_t *pamh, int flags) -{ - static int (*real_pam_open_session)(pam_handle_t *, int); - CONFIRM_PAM_FUNCTION(pam_open_session, int, (pam_handle_t *, int), - PAM_ABORT); - return real_pam_open_session(pamh, flags); -} - -int pam_close_session(pam_handle_t *pamh, int flags) -{ - static int (*real_pam_close_session)(pam_handle_t *, int); - CONFIRM_PAM_FUNCTION(pam_close_session, int, (pam_handle_t *, int), - PAM_ABORT); - return real_pam_close_session(pamh, flags); -} - -/* Password Management API's */ - -int pam_chauthtok(pam_handle_t *pamh, int flags) -{ - static int (*real_pam_chauthtok)(pam_handle_t *, int); - CONFIRM_PAM_FUNCTION(pam_chauthtok, int, (pam_handle_t *, int), PAM_ABORT); - return real_pam_chauthtok(pamh, flags); -} |