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-rw-r--r--src/modules/pam_set_items.c145
1 files changed, 145 insertions, 0 deletions
diff --git a/src/modules/pam_set_items.c b/src/modules/pam_set_items.c
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+++ b/src/modules/pam_set_items.c
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+/*
+ * Copyright (c) 2015 Andreas Schneider <asn@samba.org>
+ * Copyright (c) 2015 Jakub Hrozek <jakub.hrozek@posteo.se>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <security/pam_modules.h>
+#include <security/pam_appl.h>
+
+#define ITEM_FILE_KEY "item_file="
+
+static const char *envs[] = {
+ "PAM_SERVICE",
+ "PAM_USER",
+ "PAM_USER_PROMPT",
+ "PAM_TTY",
+ "PAM_RUSER",
+ "PAM_RHOST",
+ "PAM_AUTHTOK",
+ "PAM_OLDAUTHTOK",
+ "PAM_XDISPLAY",
+ "PAM_AUTHTOK_TYPE",
+ NULL
+};
+
+static const int items[] = {
+ PAM_SERVICE,
+ PAM_USER,
+ PAM_USER_PROMPT,
+ PAM_TTY,
+ PAM_RUSER,
+ PAM_RHOST,
+ PAM_AUTHTOK,
+ PAM_OLDAUTHTOK,
+ PAM_XDISPLAY,
+ PAM_AUTHTOK_TYPE,
+};
+
+static void pam_setitem_env(pam_handle_t *pamh)
+{
+ int i;
+ int rv;
+ const char *v;
+
+ for (i = 0; envs[i] != NULL; i++) {
+ v = getenv(envs[i]);
+ if (v == NULL) {
+ continue;
+ }
+
+ rv = pam_set_item(pamh, items[i], v);
+ if (rv != PAM_SUCCESS) {
+ continue;
+ }
+ }
+}
+
+PAM_EXTERN int
+pam_sm_authenticate(pam_handle_t *pamh, int flags,
+ int argc, const char *argv[])
+{
+ (void) flags; /* unused */
+ (void) argc; /* unused */
+ (void) argv; /* unused */
+
+ pam_setitem_env(pamh);
+ return PAM_SUCCESS;
+}
+
+PAM_EXTERN int
+pam_sm_setcred(pam_handle_t *pamh, int flags,
+ int argc, const char *argv[])
+{
+ (void) flags; /* unused */
+ (void) argc; /* unused */
+ (void) argv; /* unused */
+
+ pam_setitem_env(pamh);
+ return PAM_SUCCESS;
+}
+
+PAM_EXTERN int
+pam_sm_acct_mgmt(pam_handle_t *pamh, int flags,
+ int argc, const char *argv[])
+{
+ (void) flags; /* unused */
+ (void) argc; /* unused */
+ (void) argv; /* unused */
+
+ pam_setitem_env(pamh);
+ return PAM_SUCCESS;
+}
+
+PAM_EXTERN int
+pam_sm_open_session(pam_handle_t *pamh, int flags,
+ int argc, const char *argv[])
+{
+ (void) flags; /* unused */
+ (void) argc; /* unused */
+ (void) argv; /* unused */
+
+ pam_setitem_env(pamh);
+ return PAM_SUCCESS;
+}
+
+PAM_EXTERN int
+pam_sm_close_session(pam_handle_t *pamh, int flags,
+ int argc, const char *argv[])
+{
+ (void) flags; /* unused */
+ (void) argc; /* unused */
+ (void) argv; /* unused */
+
+ pam_setitem_env(pamh);
+ return PAM_SUCCESS;
+}
+
+PAM_EXTERN int
+pam_sm_chauthtok(pam_handle_t *pamh, int flags,
+ int argc, const char *argv[])
+{
+ (void) flags; /* unused */
+ (void) argc; /* unused */
+ (void) argv; /* unused */
+
+ pam_setitem_env(pamh);
+ return PAM_SUCCESS;
+}
+