source3/utils/eventlogadm.c

   1
   2 /*
   3  * Samba Unix/Linux SMB client utility
   4  * Write Eventlog records to a tdb, perform other eventlog related functions
   5  *
   6  *
   7  * Copyright (C) Brian Moran                2005.
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22  */
  23
  24
  25 #include "includes.h"
  26
  27 #undef  DBGC_CLASS
  28 #define DBGC_CLASS DBGC_UTIL_EVENTLOG
  29
  30
  31 extern int optind;
  32 extern char *optarg;
  33
  34 int opt_debug = 0;
  35
  36 static void usage( char *s )
  37 {
  38         printf( "\nUsage: %s [OPTION]\n\n", s );
  39         printf( " -o write <Eventlog Name> \t\t\t\t\tWrites records to eventlog from STDIN\n" );
  40         printf( " -o addsource <EventlogName> <sourcename> <msgfileDLLname> \tAdds the specified source & DLL eventlog registry entry\n" );
  41         printf( "\nMiscellaneous options:\n" );
  42         printf( " -d\t\t\t\t\t\t\t\tturn debug on\n" );
  43         printf( " -h\t\t\t\t\t\t\t\tdisplay help\n\n" );
  44 }
  45
  46 static void display_eventlog_names( void )
  47 {
  48         const char **elogs;
  49         int i;
  50
  51         elogs = lp_eventlog_list(  );
  52         printf( "Active eventlog names (from smb.conf):\n" );
  53         printf( "--------------------------------------\n" );
  54         if ( elogs ) {
  55                 for ( i = 0; elogs[i]; i++ ) {
  56                         printf( "\t%s\n", elogs[i] );
  57                 }
  58         }
  59         else
  60                 printf( "\t<None specified>\n");
  61 }
  62
  63 static int DoAddSourceCommand( int argc, char **argv, BOOL debugflag, char *exename )
  64 {
  65
  66         if ( argc < 3 ) {
  67                 printf( "need more arguments:\n" );
  68                 printf( "-o addsource EventlogName SourceName /path/to/EventMessageFile.dll\n" );
  69                 return -1;
  70         }
  71         /* must open the registry before we access it */
  72         if ( !regdb_init(  ) ) {
  73                 printf( "Can't open the registry.\n" );
  74                 return -1;
  75         }
  76
  77         if ( !eventlog_add_source( argv[0], argv[1], argv[2] ) )
  78                 return -2;
  79         return 0;
  80 }
  81
  82 static int DoWriteCommand( int argc, char **argv, BOOL debugflag, char *exename )
  83 {
  84         FILE *f1;
  85         char *argfname;
  86         ELOG_TDB *etdb;
  87
  88         /* fixed constants are bad bad bad  */
  89         pstring linein;
  90         BOOL is_eor;
  91         Eventlog_entry ee;
  92         int rcnum;
  93
  94         f1 = stdin;
  95         if ( !f1 ) {
  96                 printf( "Can't open STDIN\n" );
  97                 return -1;
  98         }
  99
 100         if ( debugflag ) {
 101                 printf( "Starting write for eventlog [%s]\n", argv[0] );
 102                 display_eventlog_names(  );
 103         }
 104
 105         argfname = argv[0];
 106
 107         if ( !( etdb = elog_open_tdb( argfname, False ) ) ) {
 108                 printf( "can't open the eventlog TDB (%s)\n", argfname );
 109                 return -1;
 110         }
 111
 112         ZERO_STRUCT( ee );      /* MUST initialize between records */
 113
 114         while ( !feof( f1 ) ) {
 115                 fgets( linein, sizeof( linein ) - 1, f1 );
 116                 linein[strlen( linein ) - 1] = 0;       /* whack the line delimiter */
 117
 118                 if ( debugflag )
 119                         printf( "Read line [%s]\n", linein );
 120
 121                 is_eor = False;
 122
 123
 124                 parse_logentry( ( char * ) &linein, &ee, &is_eor );
 125                 /* should we do something with the return code? */
 126
 127                 if ( is_eor ) {
 128                         fixup_eventlog_entry( &ee );
 129
 130                         if ( opt_debug )
 131                                 printf( "record number [%d], tg [%d] , tw [%d]\n", ee.record.record_number, ee.record.time_generated, ee.record.time_written );
 132
 133                         if ( ee.record.time_generated != 0 ) {
 134
 135                                 /* printf("Writing to the event log\n"); */
 136
 137                                 rcnum = write_eventlog_tdb( ELOG_TDB_CTX(etdb), &ee );
 138                                 if ( !rcnum ) {
 139                                         printf( "Can't write to the event log\n" );
 140                                 } else {
 141                                         if ( opt_debug )
 142                                                 printf( "Wrote record %d\n",
 143                                                         rcnum );
 144                                 }
 145                         } else {
 146                                 if ( opt_debug )
 147                                         printf( "<null record>\n" );
 148                         }
 149                         ZERO_STRUCT( ee );      /* MUST initialize between records */
 150                 }
 151         }
 152
 153         elog_close_tdb( etdb , False );
 154
 155         return 0;
 156 }
 157
 158 /* would be nice to use the popT stuff here, however doing so forces us to drag in a lot of other infrastructure */
 159
 160 int main( int argc, char *argv[] )
 161 {
 162         int opt, rc;
 163         char *exename;
 164
 165
 166         fstring opname;
 167
 168         load_case_tables();
 169
 170         opt_debug = 0;          /* todo set this from getopts */
 171
 172         lp_load( dyn_CONFIGFILE, True, False, False, True);
 173
 174         exename = argv[0];
 175
 176         /* default */
 177
 178         fstrcpy( opname, "write" );     /* the default */
 179
 180 #if 0                           /* TESTING CODE */
 181         eventlog_add_source( "System", "TestSourceX", "SomeTestPathX" );
 182 #endif
 183         while ( ( opt = getopt( argc, argv, "dho:" ) ) != EOF ) {
 184                 switch ( opt ) {
 185
 186                 case 'o':
 187                         fstrcpy( opname, optarg );
 188                         break;
 189
 190                 case 'h':
 191                         usage( exename );
 192                         display_eventlog_names(  );
 193                         exit( 0 );
 194                         break;
 195
 196                 case 'd':
 197                         opt_debug = 1;
 198                         break;
 199                 }
 200         }
 201
 202         argc -= optind;
 203         argv += optind;
 204
 205         if ( argc < 1 ) {
 206                 printf( "\nNot enough arguments!\n" );
 207                 usage( exename );
 208                 exit( 1 );
 209         }
 210
 211         /*  note that the separate command types should call usage if they need to... */
 212         while ( 1 ) {
 213                 if ( !StrCaseCmp( opname, "addsource" ) ) {
 214                         rc = DoAddSourceCommand( argc, argv, opt_debug,
 215                                                  exename );
 216                         break;
 217                 }
 218                 if ( !StrCaseCmp( opname, "write" ) ) {
 219                         rc = DoWriteCommand( argc, argv, opt_debug, exename );
 220                         break;
 221                 }
 222                 printf( "unknown command [%s]\n", opname );
 223                 usage( exename );
 224                 exit( 1 );
 225                 break;
 226         }
 227         return rc;
 228 }