r26205: Pass loadparm_context to secrets_db_connect() rather than using global context.
[jelmer/samba4-debian.git] / source / auth / credentials / credentials_files.c
index c61f8ccb5e6c33e7a4c6831184cbfaf41f7f357b..2d850956e2ced0ed5cd69cafb71b424283e7bce7 100644 (file)
@@ -9,7 +9,7 @@
    
    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 2 of the License, or
+   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,
    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, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "includes.h"
 #include "lib/ldb/include/ldb.h"
 #include "librpc/gen_ndr/samr.h" /* for struct samrPassword */
-#include "passdb/secrets.h"
+#include "param/secrets.h"
 #include "system/filesys.h"
-#include "db_wrap.h"
+#include "util/util_ldb.h"
 #include "auth/credentials/credentials.h"
+#include "auth/credentials/credentials_krb5.h"
+#include "param/param.h"
 
 /**
  * Read a file descriptor, and parse it for a password (eg from a file or stdin)
@@ -38,7 +39,7 @@
  * @param obtained This enum describes how 'specified' this password is
  */
 
-BOOL cli_credentials_parse_password_fd(struct cli_credentials *credentials, 
+bool cli_credentials_parse_password_fd(struct cli_credentials *credentials, 
                                       int fd, enum credentials_obtained obtained)
 {
        char *p;
@@ -60,18 +61,18 @@ BOOL cli_credentials_parse_password_fd(struct cli_credentials *credentials,
                                break;
                        } else {
                                fprintf(stderr, "Error reading password from file descriptor %d: %s\n", fd, "empty password\n");
-                               return False;
+                               return false;
                        }
 
                default:
                        fprintf(stderr, "Error reading password from file descriptor %d: %s\n",
                                        fd, strerror(errno));
-                       return False;
+                       return false;
                }
        }
 
        cli_credentials_set_password(credentials, pass, obtained);
-       return True;
+       return true;
 }
 
 /**
@@ -82,15 +83,15 @@ BOOL cli_credentials_parse_password_fd(struct cli_credentials *credentials,
  * @param obtained This enum describes how 'specified' this password is
  */
 
-BOOL cli_credentials_parse_password_file(struct cli_credentials *credentials, const char *file, enum credentials_obtained obtained)
+bool cli_credentials_parse_password_file(struct cli_credentials *credentials, const char *file, enum credentials_obtained obtained)
 {
        int fd = open(file, O_RDONLY, 0);
-       BOOL ret;
+       bool ret;
 
        if (fd < 0) {
-               fprintf(stderr, "Error opening PASSWD_FILE %s: %s\n",
+               fprintf(stderr, "Error opening password file %s: %s\n",
                                file, strerror(errno));
-               return False;
+               return false;
        }
 
        ret = cli_credentials_parse_password_fd(credentials, fd, obtained);
@@ -108,7 +109,7 @@ BOOL cli_credentials_parse_password_file(struct cli_credentials *credentials, co
  * @param obtained This enum describes how 'specified' this password is
  */
 
-BOOL cli_credentials_parse_file(struct cli_credentials *cred, const char *file, enum credentials_obtained obtained) 
+bool cli_credentials_parse_file(struct cli_credentials *cred, const char *file, enum credentials_obtained obtained) 
 {
        uint16_t len = 0;
        char *ptr, *val, *param;
@@ -121,7 +122,7 @@ BOOL cli_credentials_parse_file(struct cli_credentials *cred, const char *file,
        {
                /* fail if we can't open the credentials file */
                d_printf("ERROR: Unable to open credentials file!\n");
-               return False;
+               return false;
        }
 
        for (i = 0; i < numlines; i++) {
@@ -157,7 +158,7 @@ BOOL cli_credentials_parse_file(struct cli_credentials *cred, const char *file,
 
        talloc_free(lines);
 
-       return True;
+       return true;
 }
 
 
@@ -168,12 +169,12 @@ BOOL cli_credentials_parse_file(struct cli_credentials *cred, const char *file,
  * @retval NTSTATUS error detailing any failure
  */
 NTSTATUS cli_credentials_set_secrets(struct cli_credentials *cred, 
+                                    struct ldb_context *ldb,
                                     const char *base,
                                     const char *filter)
 {
        TALLOC_CTX *mem_ctx;
        
-       struct ldb_context *ldb;
        int ldb_ret;
        struct ldb_message **msgs;
        const char *attrs[] = {
@@ -183,11 +184,12 @@ NTSTATUS cli_credentials_set_secrets(struct cli_credentials *cred,
                "flatname",
                "realm",
                "secureChannelType",
-               "ntPwdHash",
+               "unicodePwd",
                "msDS-KeyVersionNumber",
                "saltPrincipal",
                "privateKeytab",
                "krb5Keytab",
+               "servicePrincipalName",
                NULL
        };
        
@@ -201,37 +203,39 @@ NTSTATUS cli_credentials_set_secrets(struct cli_credentials *cred,
        const char *keytab;
        
        /* ok, we are going to get it now, don't recurse back here */
-       cred->machine_account_pending = False;
+       cred->machine_account_pending = false;
 
        /* some other parts of the system will key off this */
-       cred->machine_account = True;
+       cred->machine_account = true;
 
        mem_ctx = talloc_named(cred, 0, "cli_credentials fetch machine password");
 
-       /* Local secrets are stored in secrets.ldb */
-       ldb = secrets_db_connect(mem_ctx);
        if (!ldb) {
-               /* set anonymous as the fallback, if the machine account won't work */
-               cli_credentials_set_anonymous(cred);
-               DEBUG(1, ("Could not open secrets.ldb\n"));
-               return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
+               /* Local secrets are stored in secrets.ldb */
+               ldb = secrets_db_connect(mem_ctx, global_loadparm);
+               if (!ldb) {
+                       /* set anonymous as the fallback, if the machine account won't work */
+                       cli_credentials_set_anonymous(cred);
+                       DEBUG(1, ("Could not open secrets.ldb\n"));
+                       return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
+               }
        }
 
        /* search for the secret record */
        ldb_ret = gendb_search(ldb,
-                              mem_ctx, ldb_dn_explode(mem_ctx, base), 
+                              mem_ctx, ldb_dn_new(mem_ctx, ldb, base), 
                               &msgs, attrs,
                               "%s", filter);
        if (ldb_ret == 0) {
-               DEBUG(1, ("Could not find entry to match filter: %s\n",
-                         filter));
+               DEBUG(1, ("Could not find entry to match filter: '%s' base: '%s'\n",
+                         filter, base));
                /* set anonymous as the fallback, if the machine account won't work */
                cli_credentials_set_anonymous(cred);
                talloc_free(mem_ctx);
                return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
        } else if (ldb_ret != 1) {
-               DEBUG(1, ("Found more than one (%d) entry to match filter: %s\n",
-                         ldb_ret, filter));
+               DEBUG(1, ("Found more than one (%d) entry to match filter: '%s' base: '%s'\n",
+                         ldb_ret, filter, base));
                /* set anonymous as the fallback, if the machine account won't work */
                cli_credentials_set_anonymous(cred);
                talloc_free(mem_ctx);
@@ -244,12 +248,16 @@ NTSTATUS cli_credentials_set_secrets(struct cli_credentials *cred,
        machine_account = ldb_msg_find_attr_as_string(msgs[0], "samAccountName", NULL);
 
        if (!machine_account) {
-               DEBUG(1, ("Could not find 'samAccountName' in join record to domain: %s\n",
-                         cli_credentials_get_domain(cred)));
-               /* set anonymous as the fallback, if the machine account won't work */
-               cli_credentials_set_anonymous(cred);
-               talloc_free(mem_ctx);
-               return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
+               machine_account = ldb_msg_find_attr_as_string(msgs[0], "servicePrincipalName", NULL);
+               
+               if (!machine_account) {
+                       DEBUG(1, ("Could not find 'samAccountName' in join record to domain: %s: filter: '%s' base: '%s'\n",
+                                 cli_credentials_get_domain(cred), filter, base));
+                       /* set anonymous as the fallback, if the machine account won't work */
+                       cli_credentials_set_anonymous(cred);
+                       talloc_free(mem_ctx);
+                       return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
+               }
        }
 
        salt_principal = ldb_msg_find_attr_as_string(msgs[0], "saltPrincipal", NULL);
@@ -261,7 +269,7 @@ NTSTATUS cli_credentials_set_secrets(struct cli_credentials *cred,
        }
        
        if (!password) {
-               const struct ldb_val *nt_password_hash = ldb_msg_find_ldb_val(msgs[0], "ntPwdHash");
+               const struct ldb_val *nt_password_hash = ldb_msg_find_ldb_val(msgs[0], "unicodePwd");
                struct samr_Password hash;
                ZERO_STRUCT(hash);
                if (nt_password_hash) {
@@ -300,7 +308,7 @@ NTSTATUS cli_credentials_set_secrets(struct cli_credentials *cred,
        } else {
                keytab = ldb_msg_find_attr_as_string(msgs[0], "privateKeytab", NULL);
                if (keytab) {
-                       keytab = talloc_asprintf(mem_ctx, "FILE:%s", private_path(mem_ctx, keytab));
+                       keytab = talloc_asprintf(mem_ctx, "FILE:%s", private_path(mem_ctx, global_loadparm, keytab));
                        if (keytab) {
                                cli_credentials_set_keytab_name(cred, keytab, CRED_SPECIFIED);
                        }
@@ -323,10 +331,10 @@ NTSTATUS cli_credentials_set_machine_account(struct cli_credentials *cred)
        /* Bleh, nasty recursion issues: We are setting a machine
         * account here, so we don't want the 'pending' flag around
         * any more */
-       cred->machine_account_pending = False;
+       cred->machine_account_pending = false;
        filter = talloc_asprintf(cred, SECRETS_PRIMARY_DOMAIN_FILTER, 
                                       cli_credentials_get_domain(cred));
-       return cli_credentials_set_secrets(cred, SECRETS_PRIMARY_DOMAIN_DN,
+       return cli_credentials_set_secrets(cred, NULL, SECRETS_PRIMARY_DOMAIN_DN,
                                           filter);
 }
 
@@ -342,11 +350,11 @@ NTSTATUS cli_credentials_set_krbtgt(struct cli_credentials *cred)
        /* Bleh, nasty recursion issues: We are setting a machine
         * account here, so we don't want the 'pending' flag around
         * any more */
-       cred->machine_account_pending = False;
+       cred->machine_account_pending = false;
        filter = talloc_asprintf(cred, SECRETS_KRBTGT_SEARCH,
                                       cli_credentials_get_realm(cred),
                                       cli_credentials_get_domain(cred));
-       return cli_credentials_set_secrets(cred, SECRETS_PRINCIPALS_DN,
+       return cli_credentials_set_secrets(cred, NULL, SECRETS_PRINCIPALS_DN,
                                           filter);
 }
 
@@ -363,12 +371,12 @@ NTSTATUS cli_credentials_set_stored_principal(struct cli_credentials *cred,
        /* Bleh, nasty recursion issues: We are setting a machine
         * account here, so we don't want the 'pending' flag around
         * any more */
-       cred->machine_account_pending = False;
+       cred->machine_account_pending = false;
        filter = talloc_asprintf(cred, SECRETS_PRINCIPAL_SEARCH,
                                 cli_credentials_get_realm(cred),
                                 cli_credentials_get_domain(cred),
                                 serviceprincipal);
-       return cli_credentials_set_secrets(cred, SECRETS_PRINCIPALS_DN,
+       return cli_credentials_set_secrets(cred, NULL, SECRETS_PRINCIPALS_DN,
                                           filter);
 }
 
@@ -383,70 +391,7 @@ NTSTATUS cli_credentials_set_stored_principal(struct cli_credentials *cred,
  */
 void cli_credentials_set_machine_account_pending(struct cli_credentials *cred)
 {
-       cred->machine_account_pending = True;
+       cred->machine_account_pending = true;
 }
 
 
-NTSTATUS cli_credentials_update_all_keytabs(TALLOC_CTX *parent_ctx)
-{
-       TALLOC_CTX *mem_ctx;
-       int ldb_ret;
-       struct ldb_context *ldb;
-       struct ldb_message **msgs;
-       const char *attrs[] = { NULL };
-       struct cli_credentials *creds;
-       const char *filter;
-       NTSTATUS status;
-       int i, ret;
-
-       mem_ctx = talloc_new(parent_ctx);
-       if (!mem_ctx) {
-               return NT_STATUS_NO_MEMORY;
-       }
-
-       /* Local secrets are stored in secrets.ldb */
-       ldb = secrets_db_connect(mem_ctx);
-       if (!ldb) {
-               DEBUG(1, ("Could not open secrets.ldb\n"));
-               talloc_free(mem_ctx);
-               return NT_STATUS_ACCESS_DENIED;
-       }
-
-       /* search for the secret record, but only of things we can
-        * actually update */
-       ldb_ret = gendb_search(ldb,
-                              mem_ctx, NULL,
-                              &msgs, attrs,
-                              "(&(objectClass=kerberosSecret)(|(secret=*)(ntPwdHash=*)))");
-       if (ldb_ret == -1) {
-               DEBUG(1, ("Error looking for kerberos type secrets to push into a keytab:: %s", ldb_errstring(ldb)));
-               talloc_free(mem_ctx);
-               return NT_STATUS_INTERNAL_DB_CORRUPTION;
-       }
-
-       for (i=0; i < ldb_ret; i++) {
-               /* Make a credentials structure from it */
-               creds = cli_credentials_init(mem_ctx);
-               if (!creds) {
-                       DEBUG(1, ("cli_credentials_init failed!"));
-                       talloc_free(mem_ctx);
-                       return NT_STATUS_NO_MEMORY;
-               }
-               cli_credentials_set_conf(creds);
-               filter = talloc_asprintf(mem_ctx, "dn=%s", ldb_dn_linearize(mem_ctx, msgs[i]->dn));
-               status = cli_credentials_set_secrets(creds, NULL, filter);
-               if (!NT_STATUS_IS_OK(status)) {
-                       DEBUG(1, ("Failed to read secrets for keytab update for %s\n", 
-                                 filter));
-                       continue;
-               } 
-               ret = cli_credentials_update_keytab(creds);
-               if (ret != 0) {
-                       DEBUG(1, ("Failed to update keytab for %s\n", 
-                                 filter));
-                       continue;
-               }
-       }
-       return NT_STATUS_OK;
-}
-