source/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 3 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, see <http://www.gnu.org/licenses/>.
  21  */
  22
  23
  24 #include "includes.h"
  25
  26 #undef  DBGC_CLASS
  27 #define DBGC_CLASS DBGC_UTIL_EVENTLOG
  28
  29
  30 extern int optind;
  31 extern char *optarg;
  32
  33 int opt_debug = 0;
  34
  35 static void usage( char *s )
  36 {
  37         printf( "\nUsage: %s [OPTION]\n\n", s );
  38         printf( " -o write <Eventlog Name> \t\t\t\t\tWrites records to eventlog from STDIN\n" );
  39         printf( " -o addsource <EventlogName> <sourcename> <msgfileDLLname> \tAdds the specified source & DLL eventlog registry entry\n" );
  40         printf( "\nMiscellaneous options:\n" );
  41         printf( " -d\t\t\t\t\t\t\t\tturn debug on\n" );
  42         printf( " -h\t\t\t\t\t\t\t\tdisplay help\n\n" );
  43 }
  44
  45 static void display_eventlog_names( void )
  46 {
  47         const char **elogs;
  48         int i;
  49
  50         elogs = lp_eventlog_list(  );
  51         printf( "Active eventlog names (from smb.conf):\n" );
  52         printf( "--------------------------------------\n" );
  53         if ( elogs ) {
  54                 for ( i = 0; elogs[i]; i++ ) {
  55                         printf( "\t%s\n", elogs[i] );
  56                 }
  57         }
  58         else
  59                 printf( "\t<None specified>\n");
  60 }
  61
  62 static int DoAddSourceCommand( int argc, char **argv, bool debugflag, char *exename )
  63 {
  64
  65         if ( argc < 3 ) {
  66                 printf( "need more arguments:\n" );
  67                 printf( "-o addsource EventlogName SourceName /path/to/EventMessageFile.dll\n" );
  68                 return -1;
  69         }
  70         /* must open the registry before we access it */
  71         if (!W_ERROR_IS_OK(regdb_init())) {
  72                 printf( "Can't open the registry.\n" );
  73                 return -1;
  74         }
  75
  76         if ( !eventlog_add_source( argv[0], argv[1], argv[2] ) )
  77                 return -2;
  78         return 0;
  79 }
  80
  81 static int DoWriteCommand( int argc, char **argv, bool debugflag, char *exename )
  82 {
  83         FILE *f1;
  84         char *argfname;
  85         ELOG_TDB *etdb;
  86
  87         /* fixed constants are bad bad bad  */
  88         char linein[1024];
  89         bool is_eor;
  90         Eventlog_entry ee;
  91         int rcnum;
  92
  93         f1 = stdin;
  94         if ( !f1 ) {
  95                 printf( "Can't open STDIN\n" );
  96                 return -1;
  97         }
  98
  99         if ( debugflag ) {
 100                 printf( "Starting write for eventlog [%s]\n", argv[0] );
 101                 display_eventlog_names(  );
 102         }
 103
 104         argfname = argv[0];
 105
 106         if ( !( etdb = elog_open_tdb( argfname, False ) ) ) {
 107                 printf( "can't open the eventlog TDB (%s)\n", argfname );
 108                 return -1;
 109         }
 110
 111         ZERO_STRUCT( ee );      /* MUST initialize between records */
 112
 113         while ( !feof( f1 ) ) {
 114                 fgets( linein, sizeof( linein ) - 1, f1 );
 115                 linein[strlen( linein ) - 1] = 0;       /* whack the line delimiter */
 116
 117                 if ( debugflag )
 118                         printf( "Read line [%s]\n", linein );
 119
 120                 is_eor = False;
 121
 122
 123                 parse_logentry( ( char * ) &linein, &ee, &is_eor );
 124                 /* should we do something with the return code? */
 125
 126                 if ( is_eor ) {
 127                         fixup_eventlog_entry( &ee );
 128
 129                         if ( opt_debug )
 130                                 printf( "record number [%d], tg [%d] , tw [%d]\n", ee.record.record_number, ee.record.time_generated, ee.record.time_written );
 131
 132                         if ( ee.record.time_generated != 0 ) {
 133
 134                                 /* printf("Writing to the event log\n"); */
 135
 136                                 rcnum = write_eventlog_tdb( ELOG_TDB_CTX(etdb), &ee );
 137                                 if ( !rcnum ) {
 138                                         printf( "Can't write to the event log\n" );
 139                                 } else {
 140                                         if ( opt_debug )
 141                                                 printf( "Wrote record %d\n",
 142                                                         rcnum );
 143                                 }
 144                         } else {
 145                                 if ( opt_debug )
 146                                         printf( "<null record>\n" );
 147                         }
 148                         ZERO_STRUCT( ee );      /* MUST initialize between records */
 149                 }
 150         }
 151
 152         elog_close_tdb( etdb , False );
 153
 154         return 0;
 155 }
 156
 157 /* would be nice to use the popT stuff here, however doing so forces us to drag in a lot of other infrastructure */
 158
 159 int main( int argc, char *argv[] )
 160 {
 161         int opt, rc;
 162         char *exename;
 163         TALLOC_CTX *frame = talloc_stackframe();
 164
 165
 166         fstring opname;
 167
 168         load_case_tables();
 169
 170         opt_debug = 0;          /* todo set this from getopts */
 171
 172         lp_load(get_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         TALLOC_FREE(frame);
 228         return rc;
 229 }