citadel/utillib/citadel_dirs.c

   1 /*
   2  * citadel_dirs.c : calculate pathnames for various files used in the Citadel system
   3  *
   4  * Copyright (c) 1987-2014 by the citadel.org team
   5  *
   6  *  This program is open source software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License version 3.
   8  *
   9  *  This program is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *  GNU General Public License for more details.
  13  */
  14 #include <unistd.h>
  15 #include <stdio.h>
  16 #include <sys/stat.h>
  17 #include <ctype.h>
  18 #include <string.h>
  19 #include <limits.h>
  20 #include <time.h>
  21 #include <errno.h>
  22 #include <syslog.h>
  23 #include <libcitadel.h>
  24 #include "citadel.h"
  25 #include "citadel_dirs.h"
  26
  27 /* our directories... */
  28 char ctdl_home_directory[PATH_MAX] = "";
  29 char ctdl_bio_dir[PATH_MAX]="bio";
  30 char ctdl_bb_dir[PATH_MAX]="bitbucket";
  31 char ctdl_data_dir[PATH_MAX]="data";
  32 char ctdl_dspam_dir[PATH_MAX]="dspam";
  33 char ctdl_file_dir[PATH_MAX]="files";
  34 char ctdl_hlp_dir[PATH_MAX]="help";
  35 char ctdl_shared_dir[PATH_MAX]="";
  36 char ctdl_image_dir[PATH_MAX]="images";
  37 char ctdl_info_dir[PATH_MAX]="info";
  38 char ctdl_key_dir[PATH_MAX]=SSL_DIR;
  39 char ctdl_message_dir[PATH_MAX]="messages";
  40 char ctdl_usrpic_dir[PATH_MAX]="userpics";
  41 char ctdl_bbsbase_dir[PATH_MAX]="";
  42 char ctdl_etc_dir[PATH_MAX]="";
  43 char ctdl_autoetc_dir[PATH_MAX]="";
  44 /* attention! this may be non volatile on some oses */
  45 char ctdl_run_dir[PATH_MAX]="";
  46 char ctdl_spool_dir[PATH_MAX]="network";
  47 char ctdl_netout_dir[PATH_MAX]="network/spoolout";
  48 char ctdl_netin_dir[PATH_MAX]="network/spoolin";
  49 char ctdl_netdigest_dir[PATH_MAX]="network/digest";
  50 char ctdl_nettmp_dir[PATH_MAX]="network/spooltmp";
  51 char ctdl_netcfg_dir[PATH_MAX]="netconfigs";
  52 char ctdl_utilbin_dir[PATH_MAX]="";
  53 char ctdl_sbin_dir[PATH_MAX]="";
  54 char ctdl_bin_dir[PATH_MAX]="";
  55
  56 /* some of our files, that are needed in several places */
  57 char file_citadel_control[PATH_MAX]="";
  58 char file_citadel_config[PATH_MAX]="";
  59 char file_citadel_urlshorteners[PATH_MAX]="";
  60 char file_lmtp_socket[PATH_MAX]="";
  61 char file_lmtp_unfiltered_socket[PATH_MAX]="";
  62 char file_arcq[PATH_MAX]="";
  63 char file_citadel_socket[PATH_MAX]="";
  64 char file_citadel_admin_socket[PATH_MAX]="";
  65 char file_mail_aliases[PATH_MAX]="";
  66 char file_pid_file[PATH_MAX]="";
  67 char file_pid_paniclog[PATH_MAX]="";
  68 char file_crpt_file_key[PATH_MAX]="";
  69 char file_crpt_file_csr[PATH_MAX]="";
  70 char file_crpt_file_cer[PATH_MAX]="";
  71 char file_chkpwd[PATH_MAX]="";
  72 char file_base64[PATH_MAX]="";
  73 char file_guesstimezone[PATH_MAX]="";
  74 char file_funambol_msg[PATH_MAX] = "";
  75 char file_dpsam_conf[PATH_MAX] = "";
  76 char file_dspam_log[PATH_MAX] = "";
  77
  78
  79
  80
  81
  82 #define COMPUTE_DIRECTORY(SUBDIR) memcpy(dirbuffer,SUBDIR, sizeof dirbuffer);\
  83         snprintf(SUBDIR,sizeof SUBDIR,  "%s%s%s%s%s%s%s", \
  84                          (home&!relh)?ctdl_home_directory:basedir, \
  85              ((basedir!=ctdldir)&(home&!relh))?basedir:"/", \
  86              ((basedir!=ctdldir)&(home&!relh))?"/":"", \
  87                          relhome, \
  88              (relhome[0]!='\0')?"/":"",\
  89                          dirbuffer,\
  90                          (dirbuffer[0]!='\0')?"/":"");
  91
  92 #define DBG_PRINT(A) if (dbg==1) fprintf (stderr,"%s : %s \n", #A, A)
  93
  94
  95 void calc_dirs_n_files(int relh, int home, const char *relhome, char  *ctdldir, int dbg)
  96 {
  97         const char* basedir = "";
  98         char dirbuffer[PATH_MAX] = "";
  99
 100         /*
 101          * Ok, we keep our binaries either in the citadel base dir,
 102          * or in /usr/sbin / /usr/bin
 103          */
 104         StripSlashes(ctdldir, 1);
 105 #ifdef HAVE_ETC_DIR
 106         snprintf(ctdl_sbin_dir, sizeof ctdl_sbin_dir, "/usr/sbin/");
 107         snprintf(ctdl_bin_dir, sizeof ctdl_bin_dir, "/usr/bin/");
 108 #else
 109         snprintf(ctdl_sbin_dir, sizeof ctdl_sbin_dir, ctdldir);
 110         snprintf(ctdl_bin_dir, sizeof ctdl_bin_dir, ctdldir);
 111 #endif
 112         StripSlashes(ctdl_sbin_dir, 1);
 113         StripSlashes(ctdl_bin_dir, 1);
 114
 115 #ifndef HAVE_AUTO_ETC_DIR
 116         basedir=ctdldir;
 117 #else
 118         basedir=AUTO_ETC_DIR;
 119 #endif
 120         COMPUTE_DIRECTORY(ctdl_autoetc_dir);
 121         StripSlashes(ctdl_autoetc_dir, 1);
 122
 123 #ifndef HAVE_ETC_DIR
 124         basedir=ctdldir;
 125 #else
 126         basedir=ETC_DIR;
 127 #endif
 128         COMPUTE_DIRECTORY(ctdl_netcfg_dir);
 129         COMPUTE_DIRECTORY(ctdl_etc_dir);
 130         StripSlashes(ctdl_netcfg_dir, 1);
 131         StripSlashes(ctdl_etc_dir, 1);
 132
 133 #ifndef HAVE_UTILBIN_DIR
 134         basedir=ctdldir;
 135 #else
 136         basedir=UTILBIN_DIR;
 137 #endif
 138         COMPUTE_DIRECTORY(ctdl_utilbin_dir);
 139         StripSlashes(ctdl_utilbin_dir, 1);
 140
 141 #ifndef HAVE_RUN_DIR
 142         basedir=ctdldir;
 143 #else
 144         basedir=RUN_DIR;
 145 #endif
 146         COMPUTE_DIRECTORY(ctdl_run_dir);
 147         StripSlashes(ctdl_run_dir, 1);
 148
 149 #ifndef HAVE_STATICDATA_DIR
 150         basedir=ctdldir;
 151 #else
 152         basedir=STATICDATA_DIR;
 153 #endif
 154         COMPUTE_DIRECTORY(ctdl_message_dir);
 155         StripSlashes(ctdl_message_dir, 1);
 156
 157 #ifndef HAVE_HELP_DIR
 158         basedir=ctdldir;
 159 #else
 160         basedir=HELP_DIR;
 161 #endif
 162         COMPUTE_DIRECTORY(ctdl_hlp_dir);
 163         StripSlashes(ctdl_hlp_dir, 1);
 164         COMPUTE_DIRECTORY(ctdl_shared_dir);
 165         StripSlashes(ctdl_shared_dir, 1);
 166
 167 #ifndef HAVE_DATA_DIR
 168         basedir=ctdldir;
 169 #else
 170         basedir=DATA_DIR;
 171 #endif
 172         COMPUTE_DIRECTORY(ctdl_bio_dir);
 173         COMPUTE_DIRECTORY(ctdl_bb_dir);
 174         COMPUTE_DIRECTORY(ctdl_data_dir);
 175         COMPUTE_DIRECTORY(ctdl_dspam_dir);
 176         COMPUTE_DIRECTORY(ctdl_file_dir);
 177         COMPUTE_DIRECTORY(ctdl_image_dir);
 178         COMPUTE_DIRECTORY(ctdl_info_dir);
 179         COMPUTE_DIRECTORY(ctdl_usrpic_dir);
 180         COMPUTE_DIRECTORY(ctdl_bbsbase_dir);
 181
 182         StripSlashes(ctdl_bio_dir, 1);
 183         StripSlashes(ctdl_bb_dir, 1);
 184         StripSlashes(ctdl_data_dir, 1);
 185         StripSlashes(ctdl_dspam_dir, 1);
 186         StripSlashes(ctdl_file_dir, 1);
 187         StripSlashes(ctdl_image_dir, 1);
 188         StripSlashes(ctdl_info_dir, 1);
 189         StripSlashes(ctdl_usrpic_dir, 1);
 190         StripSlashes(ctdl_bbsbase_dir, 1);
 191
 192 #ifndef HAVE_SPOOL_DIR
 193         basedir=ctdldir;
 194 #else
 195         basedir=SPOOL_DIR;
 196 #endif
 197         COMPUTE_DIRECTORY(ctdl_spool_dir);
 198         COMPUTE_DIRECTORY(ctdl_netout_dir);
 199         COMPUTE_DIRECTORY(ctdl_netin_dir);
 200         COMPUTE_DIRECTORY(ctdl_netdigest_dir);
 201         COMPUTE_DIRECTORY(ctdl_nettmp_dir);
 202
 203         StripSlashes(ctdl_spool_dir, 1);
 204         StripSlashes(ctdl_netout_dir, 1);
 205         StripSlashes(ctdl_netin_dir, 1);
 206         StripSlashes(ctdl_netdigest_dir, 1);
 207         StripSlashes(ctdl_nettmp_dir, 1);
 208
 209         /* ok, now we know the dirs, calc some commonly used files */
 210
 211         snprintf(file_arcq,
 212                          sizeof file_arcq,
 213                          "%srefcount_adjustments.dat",
 214                          ctdl_autoetc_dir);
 215         StripSlashes(file_arcq, 0);
 216         snprintf(file_citadel_control,
 217                          sizeof file_citadel_control,
 218                          "%scitadel.control",
 219                          ctdl_autoetc_dir
 220                          );
 221         StripSlashes(file_citadel_control, 0);
 222         snprintf(file_citadel_config,
 223                          sizeof file_citadel_config,
 224                          "%scitadel.config",
 225                          ctdl_autoetc_dir);
 226         StripSlashes(file_citadel_config, 0);
 227         snprintf(file_citadel_urlshorteners,
 228                          sizeof file_citadel_urlshorteners,
 229                          "%scitadel_urlshorteners.rc",
 230                          ctdl_etc_dir);
 231         StripSlashes(file_citadel_urlshorteners, 0);
 232         snprintf(file_lmtp_socket,
 233                          sizeof file_lmtp_socket,
 234                          "%slmtp.socket",
 235                          ctdl_run_dir);
 236         StripSlashes(file_lmtp_socket, 0);
 237         snprintf(file_lmtp_unfiltered_socket,
 238                          sizeof file_lmtp_socket,
 239                          "%slmtp-unfiltered.socket",
 240                          ctdl_run_dir);
 241         StripSlashes(file_lmtp_unfiltered_socket, 0);
 242         snprintf(file_citadel_socket,
 243                          sizeof file_citadel_socket,
 244                                 "%scitadel.socket",
 245                          ctdl_run_dir);
 246         StripSlashes(file_citadel_socket, 0);
 247         snprintf(file_citadel_admin_socket,
 248                          sizeof file_citadel_admin_socket,
 249                                 "%scitadel-admin.socket",
 250                          ctdl_run_dir);
 251         StripSlashes(file_citadel_admin_socket, 0);
 252         snprintf(file_pid_file,
 253                  sizeof file_pid_file,
 254                  "%scitadel.pid",
 255                  ctdl_run_dir);
 256         StripSlashes(file_pid_file, 0);
 257         snprintf(file_pid_paniclog,
 258                  sizeof file_pid_paniclog,
 259                  "%spanic.log",
 260                  ctdl_home_directory);
 261         StripSlashes(file_pid_paniclog, 0);
 262         snprintf(file_crpt_file_key,
 263                  sizeof file_crpt_file_key,
 264                  "%s/citadel.key",
 265                  ctdl_key_dir);
 266         StripSlashes(file_crpt_file_key, 0);
 267         snprintf(file_crpt_file_csr,
 268                  sizeof file_crpt_file_csr,
 269                  "%s/citadel.csr",
 270                  ctdl_key_dir);
 271         StripSlashes(file_crpt_file_csr, 0);
 272         snprintf(file_crpt_file_cer,
 273                  sizeof file_crpt_file_cer,
 274                  "%s/citadel.cer",
 275                  ctdl_key_dir);
 276         StripSlashes(file_crpt_file_cer, 0);
 277         snprintf(file_chkpwd,
 278                  sizeof file_chkpwd,
 279                  "%schkpwd",
 280                  ctdl_utilbin_dir);
 281         StripSlashes(file_chkpwd, 0);
 282         snprintf(file_base64,
 283                  sizeof file_base64,
 284                  "%sbase64",
 285                  ctdl_utilbin_dir);
 286         StripSlashes(file_base64, 0);
 287         snprintf(file_guesstimezone,
 288                  sizeof file_guesstimezone,
 289                  "%sguesstimezone.sh",
 290                  ctdl_utilbin_dir);
 291
 292         snprintf(file_dpsam_conf,
 293                  sizeof file_dpsam_conf,
 294                  "%sdspam.conf",
 295                  ctdl_etc_dir);
 296         StripSlashes(file_dpsam_conf, 0);
 297         snprintf(file_dspam_log,
 298                  sizeof file_dspam_log,
 299                  "%sdspam.log",
 300                  ctdl_home_directory);
 301         StripSlashes(file_dspam_log, 0);
 302         /*
 303          * DIRTY HACK FOLLOWS! due to configs in the network dir in the
 304          * legacy installations, we need to calculate ifdeffed here.
 305          */
 306         snprintf(file_mail_aliases,
 307                  sizeof file_mail_aliases,
 308                  "%smail.aliases",
 309 #ifdef HAVE_ETC_DIR
 310                  ctdl_etc_dir
 311 #else
 312                  ctdl_spool_dir
 313 #endif
 314                 );
 315         StripSlashes(file_mail_aliases, 0);
 316         snprintf(file_funambol_msg,
 317                 sizeof file_funambol_msg,
 318                 "%sfunambol_newmail_soap.xml",
 319                 ctdl_shared_dir);
 320         StripSlashes(file_funambol_msg, 0);
 321
 322         DBG_PRINT(ctdl_bio_dir);
 323         DBG_PRINT(ctdl_bb_dir);
 324         DBG_PRINT(ctdl_data_dir);
 325         DBG_PRINT(ctdl_dspam_dir);
 326         DBG_PRINT(ctdl_file_dir);
 327         DBG_PRINT(ctdl_hlp_dir);
 328         DBG_PRINT(ctdl_image_dir);
 329         DBG_PRINT(ctdl_info_dir);
 330         DBG_PRINT(ctdl_key_dir);
 331         DBG_PRINT(ctdl_message_dir);
 332         DBG_PRINT(ctdl_usrpic_dir);
 333         DBG_PRINT(ctdl_etc_dir);
 334         DBG_PRINT(ctdl_run_dir);
 335         DBG_PRINT(ctdl_spool_dir);
 336         DBG_PRINT(ctdl_netout_dir);
 337         DBG_PRINT(ctdl_netin_dir);
 338         DBG_PRINT(ctdl_netdigest_dir);
 339         DBG_PRINT(ctdl_nettmp_dir);
 340         DBG_PRINT(ctdl_netcfg_dir);
 341         DBG_PRINT(ctdl_bbsbase_dir);
 342         DBG_PRINT(ctdl_sbin_dir);
 343         DBG_PRINT(ctdl_bin_dir);
 344         DBG_PRINT(ctdl_utilbin_dir);
 345         DBG_PRINT(file_citadel_control);
 346         DBG_PRINT(file_citadel_config);
 347         DBG_PRINT(file_lmtp_socket);
 348         DBG_PRINT(file_lmtp_unfiltered_socket);
 349         DBG_PRINT(file_arcq);
 350         DBG_PRINT(file_citadel_socket);
 351         DBG_PRINT(file_mail_aliases);
 352         DBG_PRINT(file_pid_file);
 353         DBG_PRINT(file_pid_paniclog);
 354         DBG_PRINT(file_crpt_file_key);
 355         DBG_PRINT(file_crpt_file_csr);
 356         DBG_PRINT(file_crpt_file_cer);
 357         DBG_PRINT(file_chkpwd);
 358         DBG_PRINT(file_base64);
 359         DBG_PRINT(file_guesstimezone);
 360         DBG_PRINT(file_funambol_msg);
 361 }
 362
 363
 364 /*
 365  * Generate an associated file name for a room
 366  */
 367 size_t assoc_file_name(char *buf, size_t n,
 368                      struct ctdlroom *qrbuf, const char *prefix)
 369 {
 370         return snprintf(buf, n, "%s%ld", prefix, qrbuf->QRnumber);
 371 }
 372
 373 void remove_digest_file(struct ctdlroom *room)
 374 {
 375         char buf[PATH_MAX];
 376
 377         snprintf(buf, PATH_MAX, "%s/%ld.eml",
 378                  ctdl_netdigest_dir,
 379                  room->QRnumber);
 380         StripSlashes(buf, 0);
 381         unlink(buf);
 382 }
 383
 384 FILE *create_digest_file(struct ctdlroom *room, int forceCreate)
 385 {
 386         struct stat stbuf;
 387         char fn[PATH_MAX];
 388         int exists;
 389         FILE *fp;
 390
 391         snprintf(fn, PATH_MAX, "%s/%ld.eml",
 392                  ctdl_netdigest_dir,
 393                  room->QRnumber);
 394         StripSlashes(fn, 0);
 395
 396         exists = stat(fn, &stbuf);
 397         if (!forceCreate && (exists == -1))
 398                 return NULL;
 399
 400         fp = fopen(fn, "w+");
 401         if (fp == NULL) {
 402                 syslog(LOG_EMERG,
 403                        "failed to create digest file %s: %s",
 404                        fn,
 405                        strerror(errno));
 406         }
 407         return fp;
 408 }
 409
 410
 411 int create_dir(char *which, long ACCESS, long UID, long GID)
 412 {
 413         int rv;
 414         rv = mkdir(which, ACCESS);
 415         if ((rv == -1) && (errno != EEXIST)) {
 416                 syslog(LOG_EMERG,
 417                        "failed to create directory %s: %s",
 418                        which,
 419                        strerror(errno));
 420                 return rv;
 421         }
 422         rv = chmod(which, ACCESS);
 423         if (rv == -1) {
 424                 syslog(LOG_EMERG,
 425                        "failed to set permissions for directory %s: %s",
 426                        which,
 427                        strerror(errno));
 428                 return rv;
 429         }
 430         rv = chown(which, UID, GID);
 431         if (rv == -1) {
 432                 syslog(LOG_EMERG,
 433                        "failed to set owner for directory %s: %s",
 434                        which,
 435                        strerror(errno));
 436                 return rv;
 437         }
 438         return rv;
 439 }
 440
 441 int create_run_directories(long UID, long GID)
 442 {
 443         int rv;
 444
 445         rv = create_dir(ctdl_info_dir    , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 446         if (rv != -1)
 447                 rv = create_dir(ctdl_bio_dir       , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 448         if (rv != -1)
 449                 rv = create_dir(ctdl_usrpic_dir    , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 450         if (rv != -1)
 451                 rv = create_dir(ctdl_message_dir   , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 452         if (rv != -1)
 453                 rv = create_dir(ctdl_hlp_dir       , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 454         if (rv != -1)
 455                 rv = create_dir(ctdl_image_dir     , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 456         if (rv != -1)
 457                 rv = create_dir(ctdl_bb_dir        , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 458         if (rv != -1)
 459                 rv = create_dir(ctdl_file_dir      , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 460         if (rv != -1)
 461                 rv = create_dir(ctdl_netcfg_dir    , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 462         if (rv != -1)
 463                 rv = create_dir(ctdl_spool_dir     , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 464         if (rv != -1)
 465                 rv = create_dir(ctdl_netout_dir    , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 466         if (rv != -1)
 467                 rv = create_dir(ctdl_netin_dir     , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 468         if (rv != -1)
 469                 rv = create_dir(ctdl_netdigest_dir , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 470         if (rv != -1)
 471                 rv = create_dir(ctdl_nettmp_dir    , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 472         if (rv != -1)
 473                 rv = create_dir(ctdl_key_dir       , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 474         if (rv != -1)
 475                 rv = create_dir(ctdl_run_dir       , S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH, UID, GID);
 476         return rv;
 477 }