exec/mainconfig.c

   1 /*
   2  * Copyright (c) 2002-2005 MontaVista Software, Inc.
   3  *
   4  * All rights reserved.
   5  *
   6  * Author: Steven Dake (sdake@mvista.com)
   7  *
   8  * This software licensed under BSD license, the text of which follows:
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions are met:
  12  *
  13  * - Redistributions of source code must retain the above copyright notice,
  14  *   this list of conditions and the following disclaimer.
  15  * - Redistributions in binary form must reproduce the above copyright notice,
  16  *   this list of conditions and the following disclaimer in the documentation
  17  *   and/or other materials provided with the distribution.
  18  * - Neither the name of the MontaVista Software, Inc. nor the names of its
  19  *   contributors may be used to endorse or promote products derived from this
  20  *   software without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  23  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  26  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  32  * THE POSSIBILITY OF SUCH DAMAGE.
  33  */
  34 #include <stdio.h>
  35 #include <string.h>
  36 #include <stdlib.h>
  37 #include <errno.h>
  38 #include <assert.h>
  39 #include <sys/socket.h>
  40 #include <netinet/in.h>
  41 #include <arpa/inet.h>
  42
  43 #include "../include/saAis.h"
  44 #include "../include/list.h"
  45 #include "util.h"
  46 #include "mainconfig.h"
  47 #include "mempool.h"
  48 #include "logsys.h"
  49 #include "totem.h"
  50 #include "service.h"
  51
  52 static char error_string_response[512];
  53
  54 /* This just makes the code below a little neater */
  55 static inline int objdb_get_string (
  56         struct objdb_iface_ver0 *objdb,
  57         unsigned int object_service_handle,
  58         char *key, char **value)
  59 {
  60         int res;
  61
  62         *value = NULL;
  63         if ( !(res = objdb->object_key_get (object_service_handle,
  64                 key,
  65                 strlen (key),
  66                 (void *)value,
  67                 NULL))) {
  68
  69                 if (*value) {
  70                         return 0;
  71                 }
  72         }
  73         return -1;
  74 }
  75
  76 static inline void objdb_get_int (
  77         struct objdb_iface_ver0 *objdb, unsigned int object_service_handle,
  78         char *key, unsigned int *intvalue)
  79 {
  80         char *value = NULL;
  81
  82         if (!objdb->object_key_get (object_service_handle,
  83                 key,
  84                 strlen (key),
  85                 (void *)&value,
  86                 NULL)) {
  87
  88                 if (value) {
  89                         *intvalue = atoi(value);
  90                 }
  91         }
  92 }
  93
  94 static struct logsys_config_struct {
  95         char subsys[6];
  96         unsigned int priority;
  97         unsigned int tags;
  98 } logsys_logger;
  99
 100 int openais_main_config_read (
 101         struct objdb_iface_ver0 *objdb,
 102         char **error_string,
 103         struct main_config *main_config)
 104 {
 105         unsigned int object_service_handle;
 106         unsigned int object_logger_subsys_handle;
 107         char *value;
 108         char *error_reason = error_string_response;
 109
 110         memset (main_config, 0, sizeof (struct main_config));
 111
 112         objdb->object_find_reset (OBJECT_PARENT_HANDLE);
 113
 114         main_config->logmode = LOG_MODE_FLUSH_AFTER_CONFIG;
 115         if (objdb->object_find (
 116                     OBJECT_PARENT_HANDLE,
 117                     "logging",
 118                     strlen ("logging"),
 119                     &object_service_handle) == 0) {
 120
 121                 if (!objdb_get_string (objdb,object_service_handle, "to_file", &value)) {
 122                         if (strcmp (value, "yes") == 0) {
 123                                 main_config->logmode |= LOG_MODE_OUTPUT_FILE;
 124                         } else
 125                         if (strcmp (value, "no") == 0) {
 126                                 main_config->logmode &= ~LOG_MODE_OUTPUT_FILE;
 127                         }
 128                 }
 129                 if (!objdb_get_string (objdb,object_service_handle, "to_syslog", &value)) {
 130                         if (strcmp (value, "yes") == 0) {
 131                                 main_config->logmode |= LOG_MODE_OUTPUT_SYSLOG_THREADED;
 132                         } else
 133                         if (strcmp (value, "no") == 0) {
 134                                 main_config->logmode &= ~LOG_MODE_OUTPUT_SYSLOG_THREADED;
 135                         }
 136                 }
 137                 if (!objdb_get_string (objdb,object_service_handle, "to_stderr", &value)) {
 138                         if (strcmp (value, "yes") == 0) {
 139                                 main_config->logmode |= LOG_MODE_OUTPUT_STDERR;
 140                         } else
 141                         if (strcmp (value, "no") == 0) {
 142                                 main_config->logmode &= ~LOG_MODE_OUTPUT_STDERR;
 143                         }
 144                 }
 145
 146                 if (!objdb_get_string (objdb,object_service_handle, "debug", &value)) {
 147                         if (strcmp (value, "on") == 0) {
 148                                 main_config->logmode |= LOG_MODE_DISPLAY_DEBUG;
 149                         } else
 150                         if (strcmp (value, "off") == 0) {
 151                                 main_config->logmode &= ~LOG_MODE_DISPLAY_DEBUG;
 152                         } else {
 153                                 goto parse_error;
 154                         }
 155                 }
 156                 if (!objdb_get_string (objdb,object_service_handle, "timestamp", &value)) {
 157                         if (strcmp (value, "on") == 0) {
 158                                 main_config->logmode |= LOG_MODE_DISPLAY_TIMESTAMP;
 159                         } else
 160                         if (strcmp (value, "off") == 0) {
 161                                 main_config->logmode &= ~LOG_MODE_DISPLAY_TIMESTAMP;
 162                         } else {
 163                                 goto parse_error;
 164                         }
 165                 }
 166                 if (!objdb_get_string (objdb,object_service_handle, "logfile", &value)) {
 167                         main_config->logfile = strdup (value);
 168                 }
 169
 170                 if (!objdb_get_string (objdb,object_service_handle, "fileline", &value)) {
 171                         if (strcmp (value, "on") == 0) {
 172                                 main_config->logmode |= LOG_MODE_DISPLAY_FILELINE;
 173                         } else
 174                         if (strcmp (value, "off") == 0) {
 175                                 main_config->logmode &= ~LOG_MODE_DISPLAY_FILELINE;
 176                         } else {
 177                                 goto parse_error;
 178                         }
 179                 }
 180
 181                 if (!objdb_get_string (objdb,object_service_handle, "syslog_facility", &value)) {
 182                         if (strcmp (value, "daemon") == 0) {
 183                                 main_config->syslog_facility = LOG_DAEMON;
 184                         } else
 185                         if (strcmp (value, "local0") == 0) {
 186                                 main_config->syslog_facility = LOG_LOCAL0;
 187                         } else
 188                         if (strcmp (value, "local1") == 0) {
 189                                 main_config->syslog_facility = LOG_LOCAL1;
 190                         } else
 191                         if (strcmp (value, "local2") == 0) {
 192                                 main_config->syslog_facility = LOG_LOCAL2;
 193                         } else
 194                         if (strcmp (value, "local3") == 0) {
 195                                 main_config->syslog_facility = LOG_LOCAL3;
 196                         } else
 197                         if (strcmp (value, "local4") == 0) {
 198                                 main_config->syslog_facility = LOG_LOCAL4;
 199                         } else
 200                         if (strcmp (value, "local5") == 0) {
 201                                 main_config->syslog_facility = LOG_LOCAL5;
 202                         } else
 203                         if (strcmp (value, "local6") == 0) {
 204                                 main_config->syslog_facility = LOG_LOCAL6;
 205                         } else
 206                         if (strcmp (value, "local7") == 0) {
 207                                 main_config->syslog_facility = LOG_LOCAL7;
 208                         } else {
 209                                 error_reason = "unknown syslog facility specified";
 210                                 goto parse_error;
 211                         }
 212                 }
 213
 214                 while (objdb->object_find (object_service_handle,
 215                         "logger_subsys",
 216                         strlen ("logger_subsys"),
 217                         &object_logger_subsys_handle) == 0) {
 218
 219                         if (!objdb_get_string (objdb,
 220                                 object_logger_subsys_handle,
 221                                 "subsys", &value)) {
 222
 223                                 strncpy (logsys_logger.subsys, value,
 224                                         sizeof (logsys_logger.subsys));
 225                         }
 226                         else {
 227                                 error_reason = "subsys required for logger directive";
 228                                 goto parse_error;
 229                         }
 230                         if (!objdb_get_string (objdb, object_logger_subsys_handle, "debug", &value)) {
 231                                 if (strcmp (value, "on") == 0) {
 232                                         logsys_logger.priority = LOG_LEVEL_DEBUG;
 233                                 } else
 234                                 if (strcmp (value, "off") == 0) {
 235                                         logsys_logger.priority &= ~LOG_LEVEL_DEBUG;
 236                                 } else {
 237                                         goto parse_error;
 238                                 }
 239                         }
 240                         if (!objdb_get_string (objdb, object_logger_subsys_handle, "tags", &value)) {
 241                                 char *token = strtok (value, "|");
 242
 243                                 while (token != NULL) {
 244                                         if (strcmp (token, "enter") == 0) {
 245                                                 logsys_logger.tags |= LOGSYS_TAG_ENTER;
 246                                         } else if (strcmp (token, "leave") == 0) {
 247                                                 logsys_logger.tags |= LOGSYS_TAG_LEAVE;
 248                                         } else if (strcmp (token, "trace1") == 0) {
 249                                                 logsys_logger.tags |= LOGSYS_TAG_TRACE1;
 250                                         } else if (strcmp (token, "trace2") == 0) {
 251                                                 logsys_logger.tags |= LOGSYS_TAG_TRACE2;
 252                                         } else if (strcmp (token, "trace3") == 0) {
 253                                                 logsys_logger.tags |= LOGSYS_TAG_TRACE3;
 254                                         } else if (strcmp (token, "trace4") == 0) {
 255                                                 logsys_logger.tags |= LOGSYS_TAG_TRACE4;
 256                                         } else if (strcmp (token, "trace5") == 0) {
 257                                                 logsys_logger.tags |= LOGSYS_TAG_TRACE5;
 258                                         } else if (strcmp (token, "trace6") == 0) {
 259                                                 logsys_logger.tags |= LOGSYS_TAG_TRACE6;
 260                                         } else if (strcmp (token, "trace7") == 0) {
 261                                                 logsys_logger.tags |= LOGSYS_TAG_TRACE7;
 262                                         } else if (strcmp (token, "trace8") == 0) {
 263                                                 logsys_logger.tags |= LOGSYS_TAG_TRACE8;
 264                                         } else {
 265                                                 error_reason = "bad tags value";
 266                                                 goto parse_error;
 267                                         }
 268
 269                                         token = strtok(NULL, "|");
 270                                 }
 271                         }
 272                         /*
 273                          * set individual logger configurations
 274                          */
 275                         logsys_config_subsys_set (
 276                                 logsys_logger.subsys,
 277                                 logsys_logger.tags,
 278                                 logsys_logger.priority);
 279
 280                 }
 281         }
 282
 283         objdb->object_find_reset (OBJECT_PARENT_HANDLE);
 284         if (objdb->object_find (
 285                     OBJECT_PARENT_HANDLE,
 286                     "aisexec",
 287                     strlen ("aisexec"),
 288                     &object_service_handle) == 0) {
 289
 290                 if (!objdb_get_string (objdb,object_service_handle, "user", &value)) {
 291                         main_config->user = strdup(value);
 292                 }
 293                 if (!objdb_get_string (objdb,object_service_handle, "group", &value)) {
 294                         main_config->group = strdup(value);
 295                 }
 296         }
 297
 298         /* Default user/group */
 299         if (!main_config->user)
 300                 main_config->user = "ais";
 301
 302         if (!main_config->group)
 303                 main_config->group = "ais";
 304
 305         if ((main_config->logmode & LOG_MODE_OUTPUT_FILE) &&
 306                 (main_config->logfile == NULL)) {
 307                 error_reason = "logmode set to 'file' but no logfile specified";
 308                 goto parse_error;
 309         }
 310
 311         if (main_config->syslog_facility == 0)
 312                 main_config->syslog_facility = LOG_DAEMON;
 313
 314         return 0;
 315
 316 parse_error:
 317         sprintf (error_string_response,
 318                  "parse error in config: %s.\n",
 319                  error_reason);
 320
 321         *error_string = error_string_response;
 322         return (-1);
 323 }