citadel/utillib/citadel_dirs.c

   1 /*
   2  * citadel_dirs.c : calculate pathnames for various files used in the Citadel system
   3  *
   4  * Copyright (c) 1987-2016 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_shared_dir[PATH_MAX]="";
  35 char ctdl_image_dir[PATH_MAX]="images";
  36 char ctdl_info_dir[PATH_MAX]="info";
  37 char ctdl_key_dir[PATH_MAX]=SSL_DIR;
  38 char ctdl_message_dir[PATH_MAX]="messages";
  39 char ctdl_usrpic_dir[PATH_MAX]="userpics";
  40 char ctdl_bbsbase_dir[PATH_MAX]="";
  41 char ctdl_etc_dir[PATH_MAX]="";
  42 char ctdl_autoetc_dir[PATH_MAX]="";
  43 /* attention! this may be non volatile on some oses */
  44 char ctdl_run_dir[PATH_MAX]="";
  45 char ctdl_spool_dir[PATH_MAX]="network";
  46 char ctdl_netout_dir[PATH_MAX]="network/spoolout";
  47 char ctdl_netin_dir[PATH_MAX]="network/spoolin";
  48 char ctdl_netdigest_dir[PATH_MAX]="network/digest";
  49 char ctdl_nettmp_dir[PATH_MAX]="network/spooltmp";
  50 char ctdl_netcfg_dir[PATH_MAX]="netconfigs";
  51 char ctdl_utilbin_dir[PATH_MAX]="";
  52 char ctdl_sbin_dir[PATH_MAX]="";
  53 char ctdl_bin_dir[PATH_MAX]="";
  54
  55 /* some of our files, that are needed in several places */
  56 char file_citadel_control[PATH_MAX]="";
  57 char file_citadel_config[PATH_MAX]="";
  58 char file_citadel_urlshorteners[PATH_MAX]="";
  59 char file_lmtp_socket[PATH_MAX]="";
  60 char file_lmtp_unfiltered_socket[PATH_MAX]="";
  61 char file_arcq[PATH_MAX]="";
  62 char file_citadel_socket[PATH_MAX]="";
  63 char file_citadel_admin_socket[PATH_MAX]="";
  64 char file_mail_aliases[PATH_MAX]="";
  65 char file_pid_file[PATH_MAX]="";
  66 char file_pid_paniclog[PATH_MAX]="";
  67 char file_crpt_file_key[PATH_MAX]="";
  68 char file_crpt_file_csr[PATH_MAX]="";
  69 char file_crpt_file_cer[PATH_MAX]="";
  70 char file_chkpwd[PATH_MAX]="";
  71 char file_base64[PATH_MAX]="";
  72 char file_guesstimezone[PATH_MAX]="";
  73 char file_funambol_msg[PATH_MAX] = "";
  74 char file_dpsam_conf[PATH_MAX] = "";
  75 char file_dspam_log[PATH_MAX] = "";
  76
  77
  78
  79
  80
  81 #define COMPUTE_DIRECTORY(SUBDIR) memcpy(dirbuffer,SUBDIR, sizeof dirbuffer);\
  82         snprintf(SUBDIR,sizeof SUBDIR,  "%s%s%s%s%s%s%s", \
  83                          (home&!relh)?ctdl_home_directory:basedir, \
  84              ((basedir!=ctdldir)&(home&!relh))?basedir:"/", \
  85              ((basedir!=ctdldir)&(home&!relh))?"/":"", \
  86                          relhome, \
  87              (relhome[0]!='\0')?"/":"",\
  88                          dirbuffer,\
  89                          (dirbuffer[0]!='\0')?"/":"");
  90
  91 #define DBG_PRINT(A) if (dbg==1) fprintf (stderr,"%s : %s \n", #A, A)
  92
  93
  94 void calc_dirs_n_files(int relh, int home, const char *relhome, char  *ctdldir, int dbg)
  95 {
  96         const char* basedir = "";
  97         char dirbuffer[PATH_MAX] = "";
  98
  99         /*
 100          * Ok, we keep our binaries either in the citadel base dir,
 101          * or in /usr/sbin / /usr/bin
 102          */
 103         StripSlashes(ctdldir, 1);
 104 #ifdef HAVE_ETC_DIR
 105         snprintf(ctdl_sbin_dir, sizeof ctdl_sbin_dir, "/usr/sbin/");
 106         snprintf(ctdl_bin_dir, sizeof ctdl_bin_dir, "/usr/bin/");
 107 #else
 108         snprintf(ctdl_sbin_dir, sizeof ctdl_sbin_dir, ctdldir);
 109         snprintf(ctdl_bin_dir, sizeof ctdl_bin_dir, ctdldir);
 110 #endif
 111         StripSlashes(ctdl_sbin_dir, 1);
 112         StripSlashes(ctdl_bin_dir, 1);
 113
 114 #ifndef HAVE_AUTO_ETC_DIR
 115         basedir=ctdldir;
 116 #else
 117         basedir=AUTO_ETC_DIR;
 118 #endif
 119         COMPUTE_DIRECTORY(ctdl_autoetc_dir);
 120         StripSlashes(ctdl_autoetc_dir, 1);
 121
 122 #ifndef HAVE_ETC_DIR
 123         basedir=ctdldir;
 124 #else
 125         basedir=ETC_DIR;
 126 #endif
 127         COMPUTE_DIRECTORY(ctdl_netcfg_dir);
 128         COMPUTE_DIRECTORY(ctdl_etc_dir);
 129         StripSlashes(ctdl_netcfg_dir, 1);
 130         StripSlashes(ctdl_etc_dir, 1);
 131
 132 #ifndef HAVE_UTILBIN_DIR
 133         basedir=ctdldir;
 134 #else
 135         basedir=UTILBIN_DIR;
 136 #endif
 137         COMPUTE_DIRECTORY(ctdl_utilbin_dir);
 138         StripSlashes(ctdl_utilbin_dir, 1);
 139
 140 #ifndef HAVE_RUN_DIR
 141         basedir=ctdldir;
 142 #else
 143         basedir=RUN_DIR;
 144 #endif
 145         COMPUTE_DIRECTORY(ctdl_run_dir);
 146         StripSlashes(ctdl_run_dir, 1);
 147
 148 #ifndef HAVE_STATICDATA_DIR
 149         basedir=ctdldir;
 150 #else
 151         basedir=STATICDATA_DIR;
 152 #endif
 153         COMPUTE_DIRECTORY(ctdl_message_dir);
 154         StripSlashes(ctdl_message_dir, 1);
 155
 156 #ifndef HAVE_DATA_DIR
 157         basedir=ctdldir;
 158 #else
 159         basedir=DATA_DIR;
 160 #endif
 161         COMPUTE_DIRECTORY(ctdl_bio_dir);
 162         COMPUTE_DIRECTORY(ctdl_bb_dir);
 163         COMPUTE_DIRECTORY(ctdl_data_dir);
 164         COMPUTE_DIRECTORY(ctdl_dspam_dir);
 165         COMPUTE_DIRECTORY(ctdl_file_dir);
 166         COMPUTE_DIRECTORY(ctdl_image_dir);
 167         COMPUTE_DIRECTORY(ctdl_info_dir);
 168         COMPUTE_DIRECTORY(ctdl_usrpic_dir);
 169         COMPUTE_DIRECTORY(ctdl_bbsbase_dir);
 170
 171         StripSlashes(ctdl_bio_dir, 1);
 172         StripSlashes(ctdl_bb_dir, 1);
 173         StripSlashes(ctdl_data_dir, 1);
 174         StripSlashes(ctdl_dspam_dir, 1);
 175         StripSlashes(ctdl_file_dir, 1);
 176         StripSlashes(ctdl_image_dir, 1);
 177         StripSlashes(ctdl_info_dir, 1);
 178         StripSlashes(ctdl_usrpic_dir, 1);
 179         StripSlashes(ctdl_bbsbase_dir, 1);
 180
 181 #ifndef HAVE_SPOOL_DIR
 182         basedir=ctdldir;
 183 #else
 184         basedir=SPOOL_DIR;
 185 #endif
 186         COMPUTE_DIRECTORY(ctdl_spool_dir);
 187         COMPUTE_DIRECTORY(ctdl_netout_dir);
 188         COMPUTE_DIRECTORY(ctdl_netin_dir);
 189         COMPUTE_DIRECTORY(ctdl_netdigest_dir);
 190         COMPUTE_DIRECTORY(ctdl_nettmp_dir);
 191
 192         StripSlashes(ctdl_spool_dir, 1);
 193         StripSlashes(ctdl_netout_dir, 1);
 194         StripSlashes(ctdl_netin_dir, 1);
 195         StripSlashes(ctdl_netdigest_dir, 1);
 196         StripSlashes(ctdl_nettmp_dir, 1);
 197
 198         /* ok, now we know the dirs, calc some commonly used files */
 199
 200         snprintf(file_arcq,
 201                          sizeof file_arcq,
 202                          "%srefcount_adjustments.dat",
 203                          ctdl_autoetc_dir);
 204         StripSlashes(file_arcq, 0);
 205         snprintf(file_citadel_control,
 206                          sizeof file_citadel_control,
 207                          "%scitadel.control",
 208                          ctdl_autoetc_dir
 209                          );
 210         StripSlashes(file_citadel_control, 0);
 211         snprintf(file_citadel_config,
 212                          sizeof file_citadel_config,
 213                          "%scitadel.config",
 214                          ctdl_autoetc_dir);
 215         StripSlashes(file_citadel_config, 0);
 216         snprintf(file_citadel_urlshorteners,
 217                          sizeof file_citadel_urlshorteners,
 218                          "%scitadel_urlshorteners.rc",
 219                          ctdl_etc_dir);
 220         StripSlashes(file_citadel_urlshorteners, 0);
 221         snprintf(file_lmtp_socket,
 222                          sizeof file_lmtp_socket,
 223                          "%slmtp.socket",
 224                          ctdl_run_dir);
 225         StripSlashes(file_lmtp_socket, 0);
 226         snprintf(file_lmtp_unfiltered_socket,
 227                          sizeof file_lmtp_socket,
 228                          "%slmtp-unfiltered.socket",
 229                          ctdl_run_dir);
 230         StripSlashes(file_lmtp_unfiltered_socket, 0);
 231         snprintf(file_citadel_socket,
 232                          sizeof file_citadel_socket,
 233                                 "%scitadel.socket",
 234                          ctdl_run_dir);
 235         StripSlashes(file_citadel_socket, 0);
 236         snprintf(file_citadel_admin_socket,
 237                          sizeof file_citadel_admin_socket,
 238                                 "%scitadel-admin.socket",
 239                          ctdl_run_dir);
 240         StripSlashes(file_citadel_admin_socket, 0);
 241         snprintf(file_pid_file,
 242                  sizeof file_pid_file,
 243                  "%scitadel.pid",
 244                  ctdl_run_dir);
 245         StripSlashes(file_pid_file, 0);
 246         snprintf(file_pid_paniclog,
 247                  sizeof file_pid_paniclog,
 248                  "%spanic.log",
 249                  ctdl_home_directory);
 250         StripSlashes(file_pid_paniclog, 0);
 251         snprintf(file_crpt_file_key,
 252                  sizeof file_crpt_file_key,
 253                  "%s/citadel.key",
 254                  ctdl_key_dir);
 255         StripSlashes(file_crpt_file_key, 0);
 256         snprintf(file_crpt_file_csr,
 257                  sizeof file_crpt_file_csr,
 258                  "%s/citadel.csr",
 259                  ctdl_key_dir);
 260         StripSlashes(file_crpt_file_csr, 0);
 261         snprintf(file_crpt_file_cer,
 262                  sizeof file_crpt_file_cer,
 263                  "%s/citadel.cer",
 264                  ctdl_key_dir);
 265         StripSlashes(file_crpt_file_cer, 0);
 266         snprintf(file_chkpwd,
 267                  sizeof file_chkpwd,
 268                  "%schkpwd",
 269                  ctdl_utilbin_dir);
 270         StripSlashes(file_chkpwd, 0);
 271         snprintf(file_base64,
 272                  sizeof file_base64,
 273                  "%sbase64",
 274                  ctdl_utilbin_dir);
 275         StripSlashes(file_base64, 0);
 276         snprintf(file_guesstimezone,
 277                  sizeof file_guesstimezone,
 278                  "%sguesstimezone.sh",
 279                  ctdl_utilbin_dir);
 280
 281         snprintf(file_dpsam_conf,
 282                  sizeof file_dpsam_conf,
 283                  "%sdspam.conf",
 284                  ctdl_etc_dir);
 285         StripSlashes(file_dpsam_conf, 0);
 286         snprintf(file_dspam_log,
 287                  sizeof file_dspam_log,
 288                  "%sdspam.log",
 289                  ctdl_home_directory);
 290         StripSlashes(file_dspam_log, 0);
 291         /*
 292          * DIRTY HACK FOLLOWS! due to configs in the network dir in the
 293          * legacy installations, we need to calculate ifdeffed here.
 294          */
 295         snprintf(file_mail_aliases,
 296                  sizeof file_mail_aliases,
 297                  "%smail.aliases",
 298 #ifdef HAVE_ETC_DIR
 299                  ctdl_etc_dir
 300 #else
 301                  ctdl_spool_dir
 302 #endif
 303                 );
 304         StripSlashes(file_mail_aliases, 0);
 305         snprintf(file_funambol_msg,
 306                 sizeof file_funambol_msg,
 307                 "%sfunambol_newmail_soap.xml",
 308                 ctdl_shared_dir);
 309         StripSlashes(file_funambol_msg, 0);
 310
 311         DBG_PRINT(ctdl_bio_dir);
 312         DBG_PRINT(ctdl_bb_dir);
 313         DBG_PRINT(ctdl_data_dir);
 314         DBG_PRINT(ctdl_dspam_dir);
 315         DBG_PRINT(ctdl_file_dir);
 316         DBG_PRINT(ctdl_image_dir);
 317         DBG_PRINT(ctdl_info_dir);
 318         DBG_PRINT(ctdl_key_dir);
 319         DBG_PRINT(ctdl_message_dir);
 320         DBG_PRINT(ctdl_usrpic_dir);
 321         DBG_PRINT(ctdl_etc_dir);
 322         DBG_PRINT(ctdl_run_dir);
 323         DBG_PRINT(ctdl_spool_dir);
 324         DBG_PRINT(ctdl_netout_dir);
 325         DBG_PRINT(ctdl_netin_dir);
 326         DBG_PRINT(ctdl_netdigest_dir);
 327         DBG_PRINT(ctdl_nettmp_dir);
 328         DBG_PRINT(ctdl_netcfg_dir);
 329         DBG_PRINT(ctdl_bbsbase_dir);
 330         DBG_PRINT(ctdl_sbin_dir);
 331         DBG_PRINT(ctdl_bin_dir);
 332         DBG_PRINT(ctdl_utilbin_dir);
 333         DBG_PRINT(file_citadel_control);
 334         DBG_PRINT(file_citadel_config);
 335         DBG_PRINT(file_lmtp_socket);
 336         DBG_PRINT(file_lmtp_unfiltered_socket);
 337         DBG_PRINT(file_arcq);
 338         DBG_PRINT(file_citadel_socket);
 339         DBG_PRINT(file_mail_aliases);
 340         DBG_PRINT(file_pid_file);
 341         DBG_PRINT(file_pid_paniclog);
 342         DBG_PRINT(file_crpt_file_key);
 343         DBG_PRINT(file_crpt_file_csr);
 344         DBG_PRINT(file_crpt_file_cer);
 345         DBG_PRINT(file_chkpwd);
 346         DBG_PRINT(file_base64);
 347         DBG_PRINT(file_guesstimezone);
 348         DBG_PRINT(file_funambol_msg);
 349 }
 350
 351
 352 /*
 353  * Generate an associated file name for a room
 354  */
 355 size_t assoc_file_name(char *buf, size_t n,
 356                      struct ctdlroom *qrbuf, const char *prefix)
 357 {
 358         return snprintf(buf, n, "%s%ld", prefix, qrbuf->QRnumber);
 359 }
 360
 361 void remove_digest_file(struct ctdlroom *room)
 362 {
 363         char buf[PATH_MAX];
 364
 365         snprintf(buf, PATH_MAX, "%s/%ld.eml",
 366                  ctdl_netdigest_dir,
 367                  room->QRnumber);
 368         StripSlashes(buf, 0);
 369         unlink(buf);
 370 }
 371
 372 FILE *create_digest_file(struct ctdlroom *room, int forceCreate)
 373 {
 374         struct stat stbuf;
 375         char fn[PATH_MAX];
 376         int exists;
 377         FILE *fp;
 378
 379         snprintf(fn, PATH_MAX, "%s/%ld.eml",
 380                  ctdl_netdigest_dir,
 381                  room->QRnumber);
 382         StripSlashes(fn, 0);
 383
 384         exists = stat(fn, &stbuf);
 385         if (!forceCreate && (exists == -1))
 386                 return NULL;
 387
 388         fp = fopen(fn, "w+");
 389         if (fp == NULL) {
 390                 syslog(LOG_EMERG,
 391                        "failed to create digest file %s: %s",
 392                        fn,
 393                        strerror(errno));
 394         }
 395         return fp;
 396 }
 397
 398
 399 int create_dir(char *which, long ACCESS, long UID, long GID)
 400 {
 401         int rv;
 402         rv = mkdir(which, ACCESS);
 403         if ((rv == -1) && (errno != EEXIST)) {
 404                 syslog(LOG_EMERG,
 405                        "failed to create directory %s: %s",
 406                        which,
 407                        strerror(errno));
 408                 return rv;
 409         }
 410         rv = chmod(which, ACCESS);
 411         if (rv == -1) {
 412                 syslog(LOG_EMERG,
 413                        "failed to set permissions for directory %s: %s",
 414                        which,
 415                        strerror(errno));
 416                 return rv;
 417         }
 418         rv = chown(which, UID, GID);
 419         if (rv == -1) {
 420                 syslog(LOG_EMERG,
 421                        "failed to set owner for directory %s: %s",
 422                        which,
 423                        strerror(errno));
 424                 return rv;
 425         }
 426         return rv;
 427 }
 428
 429 int create_run_directories(long UID, long GID)
 430 {
 431         int rv = 0;
 432         rv += create_dir(ctdl_message_dir   , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 433         rv += create_dir(ctdl_bb_dir        , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 434         rv += create_dir(ctdl_file_dir      , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 435         rv += create_dir(ctdl_spool_dir     , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 436         rv += create_dir(ctdl_netout_dir    , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 437         rv += create_dir(ctdl_netin_dir     , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 438         rv += create_dir(ctdl_netdigest_dir , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 439         rv += create_dir(ctdl_nettmp_dir    , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 440         rv += create_dir(ctdl_key_dir       , S_IRUSR|S_IWUSR|S_IXUSR, UID, -1);
 441         rv += create_dir(ctdl_run_dir       , S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH, UID, GID);
 442         return rv;
 443 }