citadel/utillib/citadel_dirs.c

   1 /*
   2  * citadel_dirs.c : calculate pathnames for various files used in the Citadel system
   3  *
   4  * Copyright (c) 1987-2017 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_data_dir[PATH_MAX]="data";
  31 char ctdl_dspam_dir[PATH_MAX]="dspam";
  32 char ctdl_file_dir[PATH_MAX]="files";
  33 char ctdl_shared_dir[PATH_MAX]="";
  34 char ctdl_image_dir[PATH_MAX]="images";
  35 char ctdl_info_dir[PATH_MAX]="info";
  36 char ctdl_key_dir[PATH_MAX]=SSL_DIR;
  37 char ctdl_message_dir[PATH_MAX]="messages";
  38 char ctdl_usrpic_dir[PATH_MAX]="userpics";
  39 char ctdl_bbsbase_dir[PATH_MAX]="";
  40 char ctdl_etc_dir[PATH_MAX]="";
  41 char ctdl_autoetc_dir[PATH_MAX]="";
  42 /* attention! this may be non volatile on some oses */
  43 char ctdl_run_dir[PATH_MAX]="";
  44 char ctdl_spool_dir[PATH_MAX]="network";
  45 char ctdl_netout_dir[PATH_MAX]="network/spoolout";
  46 char ctdl_netin_dir[PATH_MAX]="network/spoolin";
  47 char ctdl_netdigest_dir[PATH_MAX]="network/digest";
  48 char ctdl_nettmp_dir[PATH_MAX]="network/spooltmp";
  49 char ctdl_netcfg_dir[PATH_MAX]="netconfigs";
  50 char ctdl_utilbin_dir[PATH_MAX]="";
  51 char ctdl_sbin_dir[PATH_MAX]="";
  52 char ctdl_bin_dir[PATH_MAX]="";
  53
  54 /* some of our files, that are needed in several places */
  55 char file_citadel_control[PATH_MAX]="";
  56 char file_citadel_config[PATH_MAX]="";
  57 char file_citadel_urlshorteners[PATH_MAX]="";
  58 char file_lmtp_socket[PATH_MAX]="";
  59 char file_lmtp_unfiltered_socket[PATH_MAX]="";
  60 char file_arcq[PATH_MAX]="";
  61 char file_citadel_socket[PATH_MAX]="";
  62 char file_citadel_admin_socket[PATH_MAX]="";
  63 char file_mail_aliases[PATH_MAX]="";
  64 char file_pid_file[PATH_MAX]="";
  65 char file_pid_paniclog[PATH_MAX]="";
  66 char file_crpt_file_key[PATH_MAX]="";
  67 char file_crpt_file_csr[PATH_MAX]="";
  68 char file_crpt_file_cer[PATH_MAX]="";
  69 char file_chkpwd[PATH_MAX]="";
  70 char file_base64[PATH_MAX]="";
  71 char file_guesstimezone[PATH_MAX]="";
  72 char file_funambol_msg[PATH_MAX] = "";
  73 char file_dpsam_conf[PATH_MAX] = "";
  74 char file_dspam_log[PATH_MAX] = "";
  75
  76
  77
  78
  79
  80 #define COMPUTE_DIRECTORY(SUBDIR) memcpy(dirbuffer,SUBDIR, sizeof dirbuffer);\
  81         snprintf(SUBDIR,sizeof SUBDIR,  "%s%s%s%s%s%s%s", \
  82                          (home&!relh)?ctdl_home_directory:basedir, \
  83              ((basedir!=ctdldir)&(home&!relh))?basedir:"/", \
  84              ((basedir!=ctdldir)&(home&!relh))?"/":"", \
  85                          relhome, \
  86              (relhome[0]!='\0')?"/":"",\
  87                          dirbuffer,\
  88                          (dirbuffer[0]!='\0')?"/":"");
  89
  90 #define DBG_PRINT(A) if (dbg==1) fprintf (stderr,"%s : %s \n", #A, A)
  91
  92
  93 void calc_dirs_n_files(int relh, int home, const char *relhome, char  *ctdldir, int dbg)
  94 {
  95         const char* basedir = "";
  96         char dirbuffer[PATH_MAX] = "";
  97
  98         /*
  99          * Ok, we keep our binaries either in the citadel base dir,
 100          * or in /usr/sbin / /usr/bin
 101          */
 102         StripSlashes(ctdldir, 1);
 103 #ifdef HAVE_ETC_DIR
 104         snprintf(ctdl_sbin_dir, sizeof ctdl_sbin_dir, "/usr/sbin/");
 105         snprintf(ctdl_bin_dir, sizeof ctdl_bin_dir, "/usr/bin/");
 106 #else
 107         snprintf(ctdl_sbin_dir, sizeof ctdl_sbin_dir, ctdldir);
 108         snprintf(ctdl_bin_dir, sizeof ctdl_bin_dir, ctdldir);
 109 #endif
 110         StripSlashes(ctdl_sbin_dir, 1);
 111         StripSlashes(ctdl_bin_dir, 1);
 112
 113 #ifndef HAVE_AUTO_ETC_DIR
 114         basedir=ctdldir;
 115 #else
 116         basedir=AUTO_ETC_DIR;
 117 #endif
 118         COMPUTE_DIRECTORY(ctdl_autoetc_dir);
 119         StripSlashes(ctdl_autoetc_dir, 1);
 120
 121 #ifndef HAVE_ETC_DIR
 122         basedir=ctdldir;
 123 #else
 124         basedir=ETC_DIR;
 125 #endif
 126         COMPUTE_DIRECTORY(ctdl_netcfg_dir);
 127         COMPUTE_DIRECTORY(ctdl_etc_dir);
 128         StripSlashes(ctdl_netcfg_dir, 1);
 129         StripSlashes(ctdl_etc_dir, 1);
 130
 131 #ifndef HAVE_UTILBIN_DIR
 132         basedir=ctdldir;
 133 #else
 134         basedir=UTILBIN_DIR;
 135 #endif
 136         COMPUTE_DIRECTORY(ctdl_utilbin_dir);
 137         StripSlashes(ctdl_utilbin_dir, 1);
 138
 139 #ifndef HAVE_RUN_DIR
 140         basedir=ctdldir;
 141 #else
 142         basedir=RUN_DIR;
 143 #endif
 144         COMPUTE_DIRECTORY(ctdl_run_dir);
 145         StripSlashes(ctdl_run_dir, 1);
 146
 147 #ifndef HAVE_STATICDATA_DIR
 148         basedir=ctdldir;
 149 #else
 150         basedir=STATICDATA_DIR;
 151 #endif
 152         COMPUTE_DIRECTORY(ctdl_message_dir);
 153         StripSlashes(ctdl_message_dir, 1);
 154
 155 #ifndef HAVE_DATA_DIR
 156         basedir=ctdldir;
 157 #else
 158         basedir=DATA_DIR;
 159 #endif
 160         COMPUTE_DIRECTORY(ctdl_bio_dir);
 161         COMPUTE_DIRECTORY(ctdl_data_dir);
 162         COMPUTE_DIRECTORY(ctdl_dspam_dir);
 163         COMPUTE_DIRECTORY(ctdl_file_dir);
 164         COMPUTE_DIRECTORY(ctdl_image_dir);
 165         COMPUTE_DIRECTORY(ctdl_info_dir);
 166         COMPUTE_DIRECTORY(ctdl_usrpic_dir);
 167         COMPUTE_DIRECTORY(ctdl_bbsbase_dir);
 168
 169         StripSlashes(ctdl_bio_dir, 1);
 170         StripSlashes(ctdl_data_dir, 1);
 171         StripSlashes(ctdl_dspam_dir, 1);
 172         StripSlashes(ctdl_file_dir, 1);
 173         StripSlashes(ctdl_image_dir, 1);
 174         StripSlashes(ctdl_info_dir, 1);
 175         StripSlashes(ctdl_usrpic_dir, 1);
 176         StripSlashes(ctdl_bbsbase_dir, 1);
 177
 178 #ifndef HAVE_SPOOL_DIR
 179         basedir=ctdldir;
 180 #else
 181         basedir=SPOOL_DIR;
 182 #endif
 183         COMPUTE_DIRECTORY(ctdl_spool_dir);
 184         COMPUTE_DIRECTORY(ctdl_netout_dir);
 185         COMPUTE_DIRECTORY(ctdl_netin_dir);
 186         COMPUTE_DIRECTORY(ctdl_netdigest_dir);
 187         COMPUTE_DIRECTORY(ctdl_nettmp_dir);
 188
 189         StripSlashes(ctdl_spool_dir, 1);
 190         StripSlashes(ctdl_netout_dir, 1);
 191         StripSlashes(ctdl_netin_dir, 1);
 192         StripSlashes(ctdl_netdigest_dir, 1);
 193         StripSlashes(ctdl_nettmp_dir, 1);
 194
 195         /* ok, now we know the dirs, calc some commonly used files */
 196
 197         snprintf(file_arcq,
 198                          sizeof file_arcq,
 199                          "%srefcount_adjustments.dat",
 200                          ctdl_autoetc_dir);
 201         StripSlashes(file_arcq, 0);
 202         snprintf(file_citadel_control,
 203                          sizeof file_citadel_control,
 204                          "%scitadel.control",
 205                          ctdl_autoetc_dir
 206                          );
 207         StripSlashes(file_citadel_control, 0);
 208         snprintf(file_citadel_config,
 209                          sizeof file_citadel_config,
 210                          "%scitadel.config",
 211                          ctdl_autoetc_dir);
 212         StripSlashes(file_citadel_config, 0);
 213         snprintf(file_citadel_urlshorteners,
 214                          sizeof file_citadel_urlshorteners,
 215                          "%scitadel_urlshorteners.rc",
 216                          ctdl_etc_dir);
 217         StripSlashes(file_citadel_urlshorteners, 0);
 218         snprintf(file_lmtp_socket,
 219                          sizeof file_lmtp_socket,
 220                          "%slmtp.socket",
 221                          ctdl_run_dir);
 222         StripSlashes(file_lmtp_socket, 0);
 223         snprintf(file_lmtp_unfiltered_socket,
 224                          sizeof file_lmtp_socket,
 225                          "%slmtp-unfiltered.socket",
 226                          ctdl_run_dir);
 227         StripSlashes(file_lmtp_unfiltered_socket, 0);
 228         snprintf(file_citadel_socket,
 229                          sizeof file_citadel_socket,
 230                                 "%scitadel.socket",
 231                          ctdl_run_dir);
 232         StripSlashes(file_citadel_socket, 0);
 233         snprintf(file_citadel_admin_socket,
 234                          sizeof file_citadel_admin_socket,
 235                                 "%scitadel-admin.socket",
 236                          ctdl_run_dir);
 237         StripSlashes(file_citadel_admin_socket, 0);
 238         snprintf(file_pid_file,
 239                  sizeof file_pid_file,
 240                  "%scitadel.pid",
 241                  ctdl_run_dir);
 242         StripSlashes(file_pid_file, 0);
 243         snprintf(file_pid_paniclog,
 244                  sizeof file_pid_paniclog,
 245                  "%spanic.log",
 246                  ctdl_home_directory);
 247         StripSlashes(file_pid_paniclog, 0);
 248         snprintf(file_crpt_file_key,
 249                  sizeof file_crpt_file_key,
 250                  "%s/citadel.key",
 251                  ctdl_key_dir);
 252         StripSlashes(file_crpt_file_key, 0);
 253         snprintf(file_crpt_file_csr,
 254                  sizeof file_crpt_file_csr,
 255                  "%s/citadel.csr",
 256                  ctdl_key_dir);
 257         StripSlashes(file_crpt_file_csr, 0);
 258         snprintf(file_crpt_file_cer,
 259                  sizeof file_crpt_file_cer,
 260                  "%s/citadel.cer",
 261                  ctdl_key_dir);
 262         StripSlashes(file_crpt_file_cer, 0);
 263         snprintf(file_chkpwd,
 264                  sizeof file_chkpwd,
 265                  "%schkpwd",
 266                  ctdl_utilbin_dir);
 267         StripSlashes(file_chkpwd, 0);
 268         snprintf(file_base64,
 269                  sizeof file_base64,
 270                  "%sbase64",
 271                  ctdl_utilbin_dir);
 272         StripSlashes(file_base64, 0);
 273         snprintf(file_guesstimezone,
 274                  sizeof file_guesstimezone,
 275                  "%sguesstimezone.sh",
 276                  ctdl_utilbin_dir);
 277
 278         snprintf(file_dpsam_conf,
 279                  sizeof file_dpsam_conf,
 280                  "%sdspam.conf",
 281                  ctdl_etc_dir);
 282         StripSlashes(file_dpsam_conf, 0);
 283         snprintf(file_dspam_log,
 284                  sizeof file_dspam_log,
 285                  "%sdspam.log",
 286                  ctdl_home_directory);
 287         StripSlashes(file_dspam_log, 0);
 288         /*
 289          * DIRTY HACK FOLLOWS! due to configs in the network dir in the
 290          * legacy installations, we need to calculate ifdeffed here.
 291          */
 292         snprintf(file_mail_aliases,
 293                  sizeof file_mail_aliases,
 294                  "%smail.aliases",
 295 #ifdef HAVE_ETC_DIR
 296                  ctdl_etc_dir
 297 #else
 298                  ctdl_spool_dir
 299 #endif
 300                 );
 301         StripSlashes(file_mail_aliases, 0);
 302         snprintf(file_funambol_msg,
 303                 sizeof file_funambol_msg,
 304                 "%sfunambol_newmail_soap.xml",
 305                 ctdl_shared_dir);
 306         StripSlashes(file_funambol_msg, 0);
 307
 308         DBG_PRINT(ctdl_bio_dir);
 309         DBG_PRINT(ctdl_data_dir);
 310         DBG_PRINT(ctdl_dspam_dir);
 311         DBG_PRINT(ctdl_file_dir);
 312         DBG_PRINT(ctdl_image_dir);
 313         DBG_PRINT(ctdl_info_dir);
 314         DBG_PRINT(ctdl_key_dir);
 315         DBG_PRINT(ctdl_message_dir);
 316         DBG_PRINT(ctdl_usrpic_dir);
 317         DBG_PRINT(ctdl_etc_dir);
 318         DBG_PRINT(ctdl_run_dir);
 319         DBG_PRINT(ctdl_spool_dir);
 320         DBG_PRINT(ctdl_netout_dir);
 321         DBG_PRINT(ctdl_netin_dir);
 322         DBG_PRINT(ctdl_netdigest_dir);
 323         DBG_PRINT(ctdl_nettmp_dir);
 324         DBG_PRINT(ctdl_netcfg_dir);
 325         DBG_PRINT(ctdl_bbsbase_dir);
 326         DBG_PRINT(ctdl_sbin_dir);
 327         DBG_PRINT(ctdl_bin_dir);
 328         DBG_PRINT(ctdl_utilbin_dir);
 329         DBG_PRINT(file_citadel_control);
 330         DBG_PRINT(file_citadel_config);
 331         DBG_PRINT(file_lmtp_socket);
 332         DBG_PRINT(file_lmtp_unfiltered_socket);
 333         DBG_PRINT(file_arcq);
 334         DBG_PRINT(file_citadel_socket);
 335         DBG_PRINT(file_mail_aliases);
 336         DBG_PRINT(file_pid_file);
 337         DBG_PRINT(file_pid_paniclog);
 338         DBG_PRINT(file_crpt_file_key);
 339         DBG_PRINT(file_crpt_file_csr);
 340         DBG_PRINT(file_crpt_file_cer);
 341         DBG_PRINT(file_chkpwd);
 342         DBG_PRINT(file_base64);
 343         DBG_PRINT(file_guesstimezone);
 344         DBG_PRINT(file_funambol_msg);
 345 }
 346
 347
 348 /*
 349  * Generate an associated file name for a room
 350  */
 351 size_t assoc_file_name(char *buf, size_t n,
 352                      struct ctdlroom *qrbuf, const char *prefix)
 353 {
 354         return snprintf(buf, n, "%s%ld", prefix, qrbuf->QRnumber);
 355 }
 356
 357 void remove_digest_file(struct ctdlroom *room)
 358 {
 359         char buf[PATH_MAX];
 360
 361         snprintf(buf, PATH_MAX, "%s/%ld.eml",
 362                  ctdl_netdigest_dir,
 363                  room->QRnumber);
 364         StripSlashes(buf, 0);
 365         unlink(buf);
 366 }
 367
 368 FILE *create_digest_file(struct ctdlroom *room, int forceCreate)
 369 {
 370         struct stat stbuf;
 371         char fn[PATH_MAX];
 372         int exists;
 373         FILE *fp;
 374
 375         snprintf(fn, PATH_MAX, "%s/%ld.eml",
 376                  ctdl_netdigest_dir,
 377                  room->QRnumber);
 378         StripSlashes(fn, 0);
 379
 380         exists = stat(fn, &stbuf);
 381         if (!forceCreate && (exists == -1))
 382                 return NULL;
 383
 384         fp = fopen(fn, "w+");
 385         if (fp == NULL) {
 386                 syslog(LOG_EMERG,
 387                        "failed to create digest file %s: %s",
 388                        fn,
 389                        strerror(errno));
 390         }
 391         return fp;
 392 }
 393
 394
 395 int create_dir(char *which, long ACCESS, long UID, long GID)
 396 {
 397         int rv;
 398         rv = mkdir(which, ACCESS);
 399         if ((rv == -1) && (errno != EEXIST)) {
 400                 syslog(LOG_EMERG,
 401                        "failed to create directory %s: %s",
 402                        which,
 403                        strerror(errno));
 404                 return rv;
 405         }
 406         rv = chmod(which, ACCESS);
 407         if (rv == -1) {
 408                 syslog(LOG_EMERG,
 409                        "failed to set permissions for directory %s: %s",
 410                        which,
 411                        strerror(errno));
 412                 return rv;
 413         }
 414         rv = chown(which, UID, GID);
 415         if (rv == -1) {
 416                 syslog(LOG_EMERG,
 417                        "failed to set owner for directory %s: %s",
 418                        which,
 419                        strerror(errno));
 420                 return rv;
 421         }
 422         return rv;
 423 }
 424
 425 int create_run_directories(long UID, long GID)
 426 {
 427         int rv = 0;
 428         rv += create_dir(ctdl_message_dir   , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 429         rv += create_dir(ctdl_file_dir      , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 430         rv += create_dir(ctdl_spool_dir     , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 431         rv += create_dir(ctdl_netout_dir    , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 432         rv += create_dir(ctdl_netin_dir     , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 433         rv += create_dir(ctdl_netdigest_dir , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 434         rv += create_dir(ctdl_nettmp_dir    , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 435         rv += create_dir(ctdl_key_dir       , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 436         rv += create_dir(ctdl_run_dir       , S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH, UID, GID);
 437         return rv;
 438 }