1 files changed, 152 insertions, 0 deletions
diff --git a/src/providers/krb5/krb5_init.c b/src/providers/krb5/krb5_init.c
new file mode 100644
index 00000000..43cbc1bc
--- /dev/null
+++ b/src/providers/krb5/krb5_init.c
@@ -0,0 +1,152 @@
+/*
+    SSSD
+
+    Kerberos 5 Backend Module
+
+    Authors:
+        Sumit Bose <sbose@redhat.com>
+
+    Copyright (C) 2009 Red Hat
+
+    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 <sys/types.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include "providers/child_common.h"
+#include "providers/krb5/krb5_auth.h"
+#include "providers/krb5/krb5_common.h"
+
+struct krb5_options {
+    struct dp_option *opts;
+    struct krb5_ctx *auth_ctx;
+};
+
+struct krb5_options *krb5_options = NULL;
+
+struct bet_ops krb5_auth_ops = {
+    .handler = krb5_pam_handler,
+    .finalize = NULL,
+};
+
+int sssm_krb5_auth_init(struct be_ctx *bectx,
+                        struct bet_ops **ops,
+                        void **pvt_auth_data)
+{
+    struct krb5_ctx *ctx = NULL;
+    int ret;
+    struct tevent_signal *sige;
+    unsigned v;
+    FILE *debug_filep;
+    const char *krb5_servers;
+    const char *krb5_realm;
+
+    if (krb5_options == NULL) {
+        krb5_options = talloc_zero(bectx, struct krb5_options);
+        if (krb5_options == NULL) {
+            DEBUG(1, ("talloc_zero failed.\n"));
+            return ENOMEM;
+        }
+        ret = krb5_get_options(krb5_options, bectx->cdb, bectx->conf_path,
+                               &krb5_options->opts);
+        if (ret != EOK) {
+            DEBUG(1, ("krb5_get_options failed.\n"));
+            return ret;
+        }
+    }
+
+    if (krb5_options->auth_ctx != NULL) {
+        *ops = &krb5_auth_ops;
+        *pvt_auth_data = krb5_options->auth_ctx;
+        return EOK;
+    }
+
+    ctx = talloc_zero(bectx, struct krb5_ctx);
+    if (!ctx) {
+        DEBUG(1, ("talloc failed.\n"));
+        return ENOMEM;
+    }
+
+    ctx->action = INIT_PW;
+    ctx->opts = krb5_options->opts;
+
+    krb5_servers = dp_opt_get_string(ctx->opts, KRB5_KDC);
+    if (krb5_servers == NULL) {
+        DEBUG(0, ("Missing krb5_kdcip option!\n"));
+        return EINVAL;
+    }
+
+    krb5_realm = dp_opt_get_string(ctx->opts, KRB5_REALM);
+    if (krb5_realm == NULL) {
+        DEBUG(0, ("Missing krb5_realm option!\n"));
+        return EINVAL;
+    }
+
+    ret = krb5_service_init(ctx, bectx, "KRB5", krb5_servers, krb5_realm,
+                            &ctx->service);
+    if (ret != EOK) {
+        DEBUG(0, ("Failed to init IPA failover service!\n"));
+        return ret;
+    }
+
+    ret = check_and_export_options(ctx->opts, bectx->domain);
+    if (ret != EOK) {
+        DEBUG(1, ("check_and_export_options failed.\n"));
+        goto fail;
+    }
+
+    sige = tevent_add_signal(bectx->ev, ctx, SIGCHLD, SA_SIGINFO,
+                             child_sig_handler, NULL);
+    if (sige == NULL) {
+        DEBUG(1, ("tevent_add_signal failed.\n"));
+        ret = ENOMEM;
+        goto fail;
+    }
+
+    if (debug_to_file != 0) {
+        ret = open_debug_file_ex("krb5_child", &debug_filep);
+        if (ret != EOK) {
+            DEBUG(0, ("Error setting up logging (%d) [%s]\n",
+                    ret, strerror(ret)));
+            goto fail;
+        }
+
+        ctx->child_debug_fd = fileno(debug_filep);
+        if (ctx->child_debug_fd == -1) {
+            DEBUG(0, ("fileno failed [%d][%s]\n", errno, strerror(errno)));
+            ret = errno;
+            goto fail;
+        }
+
+        v = fcntl(ctx->child_debug_fd, F_GETFD, 0);
+        fcntl(ctx->child_debug_fd, F_SETFD, v & ~FD_CLOEXEC);
+    }
+
+    *ops = &krb5_auth_ops;
+    *pvt_auth_data = ctx;
+    return EOK;
+
+fail:
+    talloc_free(ctx);
+    return ret;
+}
+
+int sssm_krb5_chpass_init(struct be_ctx *bectx,
+                          struct bet_ops **ops,
+                          void **pvt_auth_data)
+{
+    return sssm_krb5_auth_init(bectx, ops, pvt_auth_data);
+}