summaryrefslogtreecommitdiff
path: root/source4/lib/samba3/winsdb.c
diff options
context:
space:
mode:
authorJelmer Vernooij <jelmer@samba.org>2005-08-24 00:58:52 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 13:34:28 -0500
commitc0ab8767118bc0e8a57bc1b31e37a261272fbc33 (patch)
treee8540742a6bc6112614233a4a11debbe6116869b /source4/lib/samba3/winsdb.c
parentcdb6d52372624b937db6b3d3cbc9353d4064af11 (diff)
downloadsamba-c0ab8767118bc0e8a57bc1b31e37a261272fbc33.tar.gz
samba-c0ab8767118bc0e8a57bc1b31e37a261272fbc33.tar.bz2
samba-c0ab8767118bc0e8a57bc1b31e37a261272fbc33.zip
r9555: More updates. Everything except for secrets.c compiles now..
(This used to be commit e59d6156b2d569ca788fe1824148f05f4a7a9918)
Diffstat (limited to 'source4/lib/samba3/winsdb.c')
-rw-r--r--source4/lib/samba3/winsdb.c179
1 files changed, 179 insertions, 0 deletions
diff --git a/source4/lib/samba3/winsdb.c b/source4/lib/samba3/winsdb.c
new file mode 100644
index 0000000000..7c3253e101
--- /dev/null
+++ b/source4/lib/samba3/winsdb.c
@@ -0,0 +1,179 @@
+/*
+ Unix SMB/CIFS implementation.
+ Wins Database
+
+ Copyright (C) Jeremy Allison 1994-2003
+ Copyright (C) Jelmer Vernooij 2005
+
+ 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
+ (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, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include "includes.h"
+#include "system/filesys.h"
+#include "pstring.h"
+#include "lib/samba3/samba3.h"
+
+#define WINS_VERSION 1
+
+NTSTATUS samba3_read_winsdb( const char *fn, TALLOC_CTX *ctx, struct samba3_winsdb_entry **entries, uint32_t *count )
+{
+ XFILE *fp;
+ char *line;
+
+ if((fp = x_fopen(fn,O_RDONLY,0)) == NULL) {
+ DEBUG(2,("initialise_wins: Can't open wins database file %s. Error was %s\n",
+ fn, strerror(errno) ));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ *count = 0;
+ *entries = NULL;
+
+ while (!x_feof(fp)) {
+ struct samba3_winsdb_entry entry;
+ pstring name_str, ip_str, ttl_str, nb_flags_str;
+ const char *ptr;
+ char *p;
+ BOOL got_token;
+ BOOL was_ip;
+ int i;
+ unsigned int hash;
+ int version;
+
+ /* Read a line from the wins.dat file. Strips whitespace
+ from the beginning and end of the line. */
+ line = fgets_slash(NULL,-1,fp);
+ if (!line)
+ return NT_STATUS_UNSUCCESSFUL;
+
+ if (*line == '#') {
+ SAFE_FREE(line);
+ continue;
+ }
+
+ if (strncmp(line,"VERSION ", 8) == 0) {
+ if (sscanf(line,"VERSION %d %u", &version, &hash) != 2 ||
+ version != WINS_VERSION) {
+ DEBUG(0,("Discarding invalid wins.dat file [%s]\n",line));
+ SAFE_FREE(line);
+ x_fclose(fp);
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ SAFE_FREE(line);
+
+ continue;
+ }
+
+ ptr = line;
+
+ /*
+ * Now we handle multiple IP addresses per name we need
+ * to iterate over the line twice. The first time to
+ * determine how many IP addresses there are, the second
+ * time to actually parse them into the ip_list array.
+ */
+
+ if (!next_token(&ptr,name_str,NULL,sizeof(name_str))) {
+ DEBUG(0,("initialise_wins: Failed to parse name when parsing line %s\n", line ));
+ SAFE_FREE(line);
+ continue;
+ }
+
+ if (!next_token(&ptr,ttl_str,NULL,sizeof(ttl_str))) {
+ DEBUG(0,("initialise_wins: Failed to parse time to live when parsing line %s\n", line ));
+ SAFE_FREE(line);
+ continue;
+ }
+
+ /*
+ * Determine the number of IP addresses per line.
+ */
+ entry.ip_count = 0;
+ do {
+ got_token = next_token(&ptr,ip_str,NULL,sizeof(ip_str));
+ was_ip = False;
+
+ if(got_token && strchr(ip_str, '.')) {
+ entry.ip_count++;
+ was_ip = True;
+ }
+ } while( got_token && was_ip);
+
+ if(entry.ip_count == 0) {
+ DEBUG(0,("initialise_wins: Missing IP address when parsing line %s\n", line ));
+ SAFE_FREE(line);
+ continue;
+ }
+
+ if(!got_token) {
+ DEBUG(0,("initialise_wins: Missing nb_flags when parsing line %s\n", line ));
+ SAFE_FREE(line);
+ continue;
+ }
+
+ /* Allocate the space for the ip_list. */
+ if((entry.ips = talloc_array ( ctx, struct ipv4_addr, entry.ip_count)) == NULL) {
+ DEBUG(0,("initialise_wins: Malloc fail !\n"));
+ SAFE_FREE(line);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /* Reset and re-parse the line. */
+ ptr = line;
+ next_token(&ptr,name_str,NULL,sizeof(name_str));
+ next_token(&ptr,ttl_str,NULL,sizeof(ttl_str));
+ for(i = 0; i < entry.ip_count; i++) {
+ next_token(&ptr, ip_str, NULL, sizeof(ip_str));
+ entry.ips[i] = interpret_addr2(ip_str);
+ }
+ next_token(&ptr,nb_flags_str,NULL, sizeof(nb_flags_str));
+
+ /*
+ * Deal with SELF or REGISTER name encoding. Default is REGISTER
+ * for compatibility with old nmbds.
+ */
+
+ if(nb_flags_str[strlen(nb_flags_str)-1] == 'S') {
+ DEBUG(5,("initialise_wins: Ignoring SELF name %s\n", line));
+ talloc_free(entry.ips);
+ SAFE_FREE(line);
+ continue;
+ }
+
+ if(nb_flags_str[strlen(nb_flags_str)-1] == 'R')
+ nb_flags_str[strlen(nb_flags_str)-1] = '\0';
+
+ /* Netbios name. # divides the name from the type (hex): netbios#xx */
+ entry.name = talloc_strdup(ctx, name_str);
+
+ if((p = strchr(entry.name,'#')) != NULL) {
+ *p = 0;
+ sscanf(p+1,"%x",&entry.type);
+ }
+
+ /* Decode the netbios flags (hex) and the time-to-live (in seconds). */
+ sscanf(nb_flags_str,"%x",&entry.nb_flags);
+ entry.ttl = atol(ttl_str);
+
+ *entries = talloc_realloc(ctx, *entries, struct samba3_winsdb_entry, (*count)+1);
+ *entries[*count] = entry;
+
+ (*count)++;
+ }
+
+ x_fclose(fp);
+ return NT_STATUS_OK;
+}