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author | Jelmer Vernooij <jelmer@samba.org> | 2005-08-24 00:58:52 +0000 |
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committer | Gerald (Jerry) Carter <jerry@samba.org> | 2007-10-10 13:34:28 -0500 |
commit | c0ab8767118bc0e8a57bc1b31e37a261272fbc33 (patch) | |
tree | e8540742a6bc6112614233a4a11debbe6116869b /source4/lib/samba3/winsdb.c | |
parent | cdb6d52372624b937db6b3d3cbc9353d4064af11 (diff) | |
download | samba-c0ab8767118bc0e8a57bc1b31e37a261272fbc33.tar.gz samba-c0ab8767118bc0e8a57bc1b31e37a261272fbc33.tar.xz 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.c | 179 |
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; +} |