Rename server/ directory to src/

Also update BUILD.txt

1 files changed, 423 insertions, 0 deletions

diff --git a/src/confdb/confdb_setup.c b/src/confdb/confdb_setup.c
new file mode 100644
index 000000000..3c10c06c9
--- /dev/null
+++ b/src/confdb/confdb_setup.c
@@ -0,0 +1,423 @@
+/*
+   SSSD
+
+   Configuration Database
+
+   Copyright (C) Stephen Gallagher <sgallagh@redhat.com>	2009
+
+   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 "config.h"
+#include <sys/stat.h>
+#include "util/util.h"
+#include "db/sysdb.h"
+#include "confdb.h"
+#include "confdb_private.h"
+#include "confdb_setup.h"
+#include "collection.h"
+#include "collection_tools.h"
+#include "ini_config.h"
+
+
+int confdb_test(struct confdb_ctx *cdb)
+{
+    char **values;
+    int ret;
+
+    ret = confdb_get_param(cdb, cdb,
+                           "config",
+                           "version",
+                           &values);
+    if (ret != EOK) {
+        return ret;
+    }
+
+    if (values[0] == NULL) {
+        /* empty database, will need to init */
+        talloc_free(values);
+        return ENOENT;
+    }
+
+    if (values[1] != NULL) {
+        /* more than 1 value ?? */
+        talloc_free(values);
+        return EIO;
+    }
+
+    if (strcmp(values[0], CONFDB_VERSION) != 0) {
+        /* Existing version does not match executable version */
+        DEBUG(1, ("Upgrading confdb version from %s to %s\n",
+                  values[0], CONFDB_VERSION));
+
+        /* This is recoverable, since we purge the confdb file
+         * when we re-initialize it.
+         */
+        talloc_free(values);
+        return ENOENT;
+    }
+
+    talloc_free(values);
+    return EOK;
+}
+
+static int confdb_purge(struct confdb_ctx *cdb)
+{
+    int ret, i;
+    TALLOC_CTX *tmp_ctx;
+    struct ldb_result *res;
+    struct ldb_dn *dn;
+    const char *attrs[] = { "dn", NULL };
+
+    tmp_ctx = talloc_new(NULL);
+
+    dn = ldb_dn_new(tmp_ctx, cdb->ldb, "cn=config");
+
+    /* Get the list of all DNs */
+    ret = ldb_search(cdb->ldb, tmp_ctx, &res, dn,
+                     LDB_SCOPE_SUBTREE, attrs, NULL);
+    if (ret != LDB_SUCCESS) {
+        ret = sysdb_error_to_errno(ret);
+        goto done;
+    }
+
+    for(i=0; i<res->count; i++) {
+        /* Delete this DN */
+        ret = ldb_delete(cdb->ldb, res->msgs[i]->dn);
+        if (ret != LDB_SUCCESS) {
+            ret = sysdb_error_to_errno(ret);
+            goto done;
+        }
+    }
+
+done:
+    talloc_free(tmp_ctx);
+    return ret;
+}
+
+int confdb_create_base(struct confdb_ctx *cdb)
+{
+    int ret;
+    struct ldb_ldif *ldif;
+
+    const char *base_ldif = CONFDB_BASE_LDIF;
+
+    while ((ldif = ldb_ldif_read_string(cdb->ldb, &base_ldif))) {
+        ret = ldb_add(cdb->ldb, ldif->msg);
+        if (ret != LDB_SUCCESS) {
+            DEBUG(0, ("Failed to initialize DB (%d,[%s]), aborting!\n",
+                      ret, ldb_errstring(cdb->ldb)));
+            return EIO;
+        }
+        ldb_ldif_read_free(cdb->ldb, ldif);
+    }
+
+    return EOK;
+}
+
+static int confdb_create_ldif(TALLOC_CTX *mem_ctx,
+                              struct collection_item *sssd_config,
+                              char **config_ldif)
+{
+    int ret, i, j;
+    char *ldif;
+    char *tmp_ldif;
+    char *writer;
+    char **sections;
+    int section_count;
+    char *dn;
+    char *tmp_dn;
+    char *sec_dn;
+    char **attrs;
+    int attr_count;
+    char *ldif_attr;
+    struct collection_item *attr;
+    TALLOC_CTX *tmp_ctx;
+    size_t dn_size;
+    size_t ldif_len;
+    size_t attr_len;
+
+    ldif_len = strlen(CONFDB_INTERNAL_LDIF);
+    ldif = talloc_array(mem_ctx, char, ldif_len+1);
+    if (!ldif) return ENOMEM;
+
+    tmp_ctx = talloc_new(ldif);
+    if (!tmp_ctx) {
+        ret = ENOMEM;
+        goto error;
+    }
+
+    memcpy(ldif, CONFDB_INTERNAL_LDIF, ldif_len);
+    writer = ldif+ldif_len;
+
+    /* Read in the collection and convert it to an LDIF */
+    /* Get the list of sections */
+    sections = get_section_list(sssd_config, &section_count, &ret);
+    if (ret != EOK) {
+        goto error;
+    }
+
+    for(i = 0; i < section_count; i++) {
+        const char *rdn = NULL;
+        DEBUG(6,("Processing config section [%s]\n", sections[i]));
+        ret = parse_section(tmp_ctx, sections[i], &sec_dn, &rdn);
+        if (ret != EOK) {
+            goto error;
+        }
+
+        dn = talloc_asprintf(tmp_ctx,
+                             "dn: %s,cn=config\n"
+                             "cn: %s\n",
+                             sec_dn, rdn);
+        if(!dn) {
+            ret = ENOMEM;
+            free_section_list(sections);
+            goto error;
+        }
+        dn_size = strlen(dn);
+
+        /* Get all of the attributes and their values as LDIF */
+        attrs = get_attribute_list(sssd_config, sections[i],
+                                   &attr_count, &ret);
+        if (ret != EOK) {
+            free_section_list(sections);
+            goto error;
+        }
+
+        for(j = 0; j < attr_count; j++) {
+            DEBUG(6, ("Processing attribute [%s]\n", attrs[j]));
+            ret = get_config_item(sections[i], attrs[j], sssd_config,
+                                   &attr);
+            if (ret != EOK) goto error;
+
+            const char *value = get_const_string_config_value(attr, &ret);
+            if (ret != EOK) goto error;
+
+            ldif_attr = talloc_asprintf(tmp_ctx,
+                                        "%s: %s\n", attrs[j], value);
+            DEBUG(9, ("%s", ldif_attr));
+
+            attr_len = strlen(ldif_attr);
+
+            tmp_dn = talloc_realloc(tmp_ctx, dn, char,
+                                    dn_size+attr_len+1);
+            if(!tmp_dn) {
+                ret = ENOMEM;
+                free_attribute_list(attrs);
+                free_section_list(sections);
+                goto error;
+            }
+            dn = tmp_dn;
+            memcpy(dn+dn_size, ldif_attr, attr_len+1);
+            dn_size += attr_len;
+        }
+
+        dn_size ++;
+        tmp_dn = talloc_realloc(tmp_ctx, dn, char,
+                                dn_size+1);
+        if(!tmp_dn) {
+            ret = ENOMEM;
+            free_attribute_list(attrs);
+            free_section_list(sections);
+            goto error;
+        }
+        dn = tmp_dn;
+        dn[dn_size-1] = '\n';
+        dn[dn_size] = '\0';
+
+        DEBUG(9, ("Section dn\n%s", dn));
+
+        tmp_ldif = talloc_realloc(mem_ctx, ldif, char,
+                                  ldif_len+dn_size+1);
+        if(!tmp_ldif) {
+            ret = ENOMEM;
+            free_attribute_list(attrs);
+            free_section_list(sections);
+            goto error;
+        }
+        ldif = tmp_ldif;
+        memcpy(ldif+ldif_len, dn, dn_size);
+        ldif_len += dn_size;
+
+        free_attribute_list(attrs);
+        talloc_free(dn);
+    }
+
+    ldif[ldif_len] = '\0';
+
+    free_section_list(sections);
+
+    *config_ldif = ldif;
+    talloc_free(tmp_ctx);
+    return EOK;
+
+error:
+    talloc_free(ldif);
+    return ret;
+}
+
+int confdb_init_db(const char *config_file, struct confdb_ctx *cdb)
+{
+    int ret, i;
+    int fd = -1;
+    struct collection_item *sssd_config = NULL;
+    struct collection_item *error_list = NULL;
+    struct collection_item *item = NULL;
+    char *config_ldif;
+    struct ldb_ldif *ldif;
+    TALLOC_CTX *tmp_ctx;
+    char *lasttimestr, timestr[21];
+    const char *vals[2] = { timestr, NULL };
+    struct stat cstat;
+    int version;
+
+    tmp_ctx = talloc_new(cdb);
+    if (tmp_ctx == NULL) return ENOMEM;
+
+    ret = check_and_open_readonly(config_file, &fd, 0, 0, (S_IRUSR|S_IWUSR));
+    if (ret != EOK) {
+        DEBUG(1, ("Permission check on config file failed.\n"));
+        talloc_zfree(tmp_ctx);
+        return EIO;
+    }
+
+    /* Determine if the conf file has changed since we last updated
+     * the confdb
+     */
+    ret = fstat(fd, &cstat);
+    if (ret != 0) {
+        DEBUG(0, ("Unable to stat config file [%s]! (%d [%s])\n",
+                  config_file, errno, strerror(errno)));
+        close(fd);
+        talloc_zfree(tmp_ctx);
+        return errno;
+    }
+    ret = snprintf(timestr, 21, "%llu", (long long unsigned)cstat.st_mtime);
+    if (ret <= 0 || ret >= 21) {
+        DEBUG(0, ("Failed to convert time_t to string ??\n"));
+        close(fd);
+        talloc_zfree(tmp_ctx);
+        return errno ? errno: EFAULT;
+    }
+
+    /* check if we need to re-init the db */
+    ret = confdb_get_string(cdb, tmp_ctx, "config", "lastUpdate", NULL, &lasttimestr);
+    if (ret == EOK && lasttimestr != NULL) {
+
+        /* now check if we lastUpdate and last file modification change differ*/
+        if (strcmp(lasttimestr, timestr) == 0) {
+            /* not changed, get out, nothing more to do */
+            close(fd);
+            talloc_zfree(tmp_ctx);
+            return EOK;
+        }
+    }
+
+    /* Set up a transaction to replace the configuration */
+    ret = ldb_transaction_start(cdb->ldb);
+    if (ret != LDB_SUCCESS) {
+        DEBUG(0, ("Failed to start a transaction for updating the configuration\n"));
+        talloc_zfree(tmp_ctx);
+        close(fd);
+        return sysdb_error_to_errno(ret);
+    }
+
+    /* Purge existing database */
+    ret = confdb_purge(cdb);
+    if (ret != EOK) {
+        DEBUG(0, ("Could not purge existing configuration\n"));
+        close(fd);
+        goto done;
+    }
+
+    /* Read the configuration into a collection */
+    ret = config_from_fd("sssd", fd, config_file, &sssd_config,
+                         INI_STOP_ON_ANY, &error_list);
+    close(fd);
+    if (ret != EOK) {
+        DEBUG(0, ("Parse error reading configuration file [%s]\n",
+                  config_file));
+        print_file_parsing_errors(stderr, error_list);
+        free_ini_config_errors(error_list);
+        free_ini_config(sssd_config);
+        goto done;
+    }
+
+    /* Make sure that the config file version matches the confdb version */
+    ret = get_config_item("sssd", "config_file_version",
+                          sssd_config, &item);
+    if (ret != EOK) {
+        DEBUG(0, ("Internal error determining config_file_version\n"));
+        goto done;
+    }
+    if (item == NULL) {
+        /* No known version. Assumed to be version 1 */
+        DEBUG(0, ("Config file is an old version. "
+                  "Please run configuration upgrade script.\n"));
+        ret = EINVAL;
+        goto done;
+    }
+    version = get_int_config_value(item, 1, -1, &ret);
+    if (ret != EOK) {
+        DEBUG(0, ("Config file version could not be determined\n"));
+        goto done;
+    } else if (version < CONFDB_VERSION_INT) {
+        DEBUG(0, ("Config file is an old version. "
+                  "Please run configuration upgrade script.\n"));
+        ret = EINVAL;
+        goto done;
+    } else if (version > CONFDB_VERSION_INT) {
+        DEBUG(0, ("Config file version is newer than confdb\n"));
+        ret = EINVAL;
+        goto done;
+    }
+
+    ret = confdb_create_ldif(tmp_ctx, sssd_config, &config_ldif);
+    free_ini_config(sssd_config);
+    if (ret != EOK) {
+        DEBUG(0, ("Could not create LDIF for confdb\n"));
+        goto done;
+    }
+
+    DEBUG(7, ("LDIF file to import: \n%s", config_ldif));
+
+    i=0;
+    while ((ldif = ldb_ldif_read_string(cdb->ldb, (const char **)&config_ldif))) {
+        ret = ldb_add(cdb->ldb, ldif->msg);
+        if (ret != LDB_SUCCESS) {
+            DEBUG(0, ("Failed to initialize DB (%d,[%s]), aborting!\n",
+                      ret, ldb_errstring(cdb->ldb)));
+            ret = EIO;
+            goto done;
+        }
+        ldb_ldif_read_free(cdb->ldb, ldif);
+    }
+
+    /* now store the lastUpdate time so that we do not re-init if nothing
+     * changed on restart */
+
+    ret = confdb_add_param(cdb, true, "config", "lastUpdate", vals);
+    if (ret != EOK) {
+        DEBUG(1, ("Failed to set last update time on db!\n"));
+    }
+
+    ret = EOK;
+
+done:
+    ret == EOK ?
+            ldb_transaction_commit(cdb->ldb) :
+            ldb_transaction_cancel(cdb->ldb);
+    talloc_zfree(tmp_ctx);
+    return ret;
+}