citadel/modules/network/serv_netmail.c

   1 /*
   2  * This module handles shared rooms, inter-Citadel mail, and outbound
   3  * mailing list processing.
   4  *
   5  * Copyright (c) 2000-2012 by the citadel.org team
   6  *
   7  *  This program is open source software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License, version 3.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  * ** NOTE **   A word on the S_NETCONFIGS semaphore:
  16  * This is a fairly high-level type of critical section.  It ensures that no
  17  * two threads work on the netconfigs files at the same time.  Since we do
  18  * so many things inside these, here are the rules:
  19  *  1. begin_critical_section(S_NETCONFIGS) *before* begin_ any others.
  20  *  2. Do *not* perform any I/O with the client during these sections.
  21  *
  22  */
  23
  24 /*
  25  * Duration of time (in seconds) after which pending list subscribe/unsubscribe
  26  * requests that have not been confirmed will be deleted.
  27  */
  28 #define EXP     259200  /* three days */
  29
  30 #include "sysdep.h"
  31 #include <stdlib.h>
  32 #include <unistd.h>
  33 #include <stdio.h>
  34 #include <fcntl.h>
  35 #include <ctype.h>
  36 #include <signal.h>
  37 #include <pwd.h>
  38 #include <errno.h>
  39 #include <sys/stat.h>
  40 #include <sys/types.h>
  41 #include <dirent.h>
  42 #if TIME_WITH_SYS_TIME
  43 # include <sys/time.h>
  44 # include <time.h>
  45 #else
  46 # if HAVE_SYS_TIME_H
  47 #  include <sys/time.h>
  48 # else
  49 #  include <time.h>
  50 # endif
  51 #endif
  52 #ifdef HAVE_SYSCALL_H
  53 # include <syscall.h>
  54 #else
  55 # if HAVE_SYS_SYSCALL_H
  56 #  include <sys/syscall.h>
  57 # endif
  58 #endif
  59
  60 #include <sys/wait.h>
  61 #include <string.h>
  62 #include <limits.h>
  63 #include <libcitadel.h>
  64 #include "citadel.h"
  65 #include "server.h"
  66 #include "citserver.h"
  67 #include "support.h"
  68 #include "config.h"
  69 #include "user_ops.h"
  70 #include "database.h"
  71 #include "msgbase.h"
  72 #include "internet_addressing.h"
  73 #include "serv_network.h"
  74 #include "clientsocket.h"
  75 #include "file_ops.h"
  76 #include "citadel_dirs.h"
  77 #include "threads.h"
  78 #include "context.h"
  79 #include "netconfig.h"
  80 #include "netspool.h"
  81 #include "netmail.h"
  82 #include "ctdl_module.h"
  83
  84
  85 /*
  86  * Deliver digest messages
  87  */
  88 void network_deliver_digest(SpoolControl *sc) {
  89         struct CitContext *CCC = CC;
  90         char buf[SIZ];
  91         int i;
  92         struct CtdlMessage *msg = NULL;
  93         long msglen;
  94         StrBuf *recps = NULL;
  95         char *precps;
  96         size_t recps_len = SIZ;
  97         struct recptypes *valid;
  98         namelist *nptr;
  99         char bounce_to[256];
 100
 101         if (sc->num_msgs_spooled < 1) {
 102                 fclose(sc->digestfp);
 103                 sc->digestfp = NULL;
 104                 return;
 105         }
 106
 107         msg = malloc(sizeof(struct CtdlMessage));
 108         memset(msg, 0, sizeof(struct CtdlMessage));
 109         msg->cm_magic = CTDLMESSAGE_MAGIC;
 110         msg->cm_format_type = FMT_RFC822;
 111         msg->cm_anon_type = MES_NORMAL;
 112
 113         sprintf(buf, "%ld", time(NULL));
 114         msg->cm_fields['T'] = strdup(buf);
 115         msg->cm_fields['A'] = strdup(CC->room.QRname);
 116         snprintf(buf, sizeof buf, "[%s]", CC->room.QRname);
 117         msg->cm_fields['U'] = strdup(buf);
 118         sprintf(buf, "room_%s@%s", CC->room.QRname, config.c_fqdn);
 119         for (i=0; buf[i]; ++i) {
 120                 if (isspace(buf[i])) buf[i]='_';
 121                 buf[i] = tolower(buf[i]);
 122         }
 123         msg->cm_fields['F'] = strdup(buf);
 124         msg->cm_fields['R'] = strdup(buf);
 125
 126         /* Set the 'List-ID' header */
 127         msg->cm_fields['L'] = malloc(1024);
 128         snprintf(msg->cm_fields['L'], 1024,
 129                 "%s <%ld.list-id.%s>",
 130                 CC->room.QRname,
 131                 CC->room.QRnumber,
 132                 config.c_fqdn
 133         );
 134
 135         /*
 136          * Go fetch the contents of the digest
 137          */
 138         fseek(sc->digestfp, 0L, SEEK_END);
 139         msglen = ftell(sc->digestfp);
 140
 141         msg->cm_fields['M'] = malloc(msglen + 1);
 142         fseek(sc->digestfp, 0L, SEEK_SET);
 143         fread(msg->cm_fields['M'], (size_t)msglen, 1, sc->digestfp);
 144         msg->cm_fields['M'][msglen] = '\0';
 145
 146         fclose(sc->digestfp);
 147         sc->digestfp = NULL;
 148
 149         /* Now generate the delivery instructions */
 150
 151         /*
 152          * Figure out how big a buffer we need to allocate
 153          */
 154         for (nptr = sc->NetConfigs[digestrecp]; nptr != NULL; nptr = nptr->next) {
 155                 recps_len = recps_len + StrLength(nptr->Value) + 2;
 156         }
 157
 158         recps = NewStrBufPlain(NULL, recps_len);
 159
 160         if (recps == NULL) {
 161                 QN_syslog(LOG_EMERG,
 162                           "Cannot allocate %ld bytes for recps...\n",
 163                           (long)recps_len);
 164                 abort();
 165         }
 166
 167         /* Each recipient */
 168         for (nptr = sc->NetConfigs[digestrecp]; nptr != NULL; nptr = nptr->next) {
 169                 if (nptr != sc->NetConfigs[digestrecp]) {
 170                         StrBufAppendBufPlain(recps, HKEY(","), 0);
 171                 }
 172                 StrBufAppendBuf(recps, nptr->Value, 0);
 173         }
 174
 175         /* Where do we want bounces and other noise to be heard?
 176          *Surely not the list members! */
 177         snprintf(bounce_to, sizeof bounce_to, "room_aide@%s", config.c_fqdn);
 178
 179         /* Now submit the message */
 180         precps = SmashStrBuf(&recps);
 181         valid = validate_recipients(precps, NULL, 0);
 182         free(precps);
 183         if (valid != NULL) {
 184                 valid->bounce_to = strdup(bounce_to);
 185                 valid->envelope_from = strdup(bounce_to);
 186                 CtdlSubmitMsg(msg, valid, NULL, 0);
 187         }
 188         CtdlFreeMessage(msg);
 189         free_recipients(valid);
 190 }
 191
 192
 193 /*
 194  * Deliver list messages to everyone on the list ... efficiently
 195  */
 196 void network_deliver_list(struct CtdlMessage *msg, SpoolControl *sc, const char *RoomName)
 197 {
 198         struct CitContext *CCC = CC;
 199         StrBuf *recps = NULL;
 200         char *precps = NULL;
 201         size_t recps_len = SIZ;
 202         struct recptypes *valid;
 203         namelist *nptr;
 204         char bounce_to[256];
 205
 206         /* Don't do this if there were no recipients! */
 207         if (sc->NetConfigs[listrecp] == NULL) return;
 208
 209         /* Now generate the delivery instructions */
 210
 211         /*
 212          * Figure out how big a buffer we need to allocate
 213          */
 214         for (nptr = sc->NetConfigs[listrecp]; nptr != NULL; nptr = nptr->next) {
 215                 recps_len = recps_len + StrLength(nptr->Value) + 2;
 216         }
 217
 218         recps = NewStrBufPlain(NULL, recps_len);
 219
 220         if (recps == NULL) {
 221                 QN_syslog(LOG_EMERG,
 222                           "Cannot allocate %ld bytes for recps...\n",
 223                           (long)recps_len);
 224                 abort();
 225         }
 226
 227         /* Each recipient */
 228         for (nptr = sc->NetConfigs[listrecp]; nptr != NULL; nptr = nptr->next) {
 229                 if (nptr != sc->NetConfigs[listrecp]) {
 230                         StrBufAppendBufPlain(recps, HKEY(","), 0);
 231                 }
 232                 StrBufAppendBuf(recps, nptr->Value, 0);
 233         }
 234
 235         /* Where do we want bounces and other noise to be heard?
 236          *  Surely not the list members! */
 237         snprintf(bounce_to, sizeof bounce_to, "room_aide@%s", config.c_fqdn);
 238
 239         /* Now submit the message */
 240         precps = SmashStrBuf(&recps);
 241         valid = validate_recipients(precps, NULL, 0);
 242         free(precps);
 243         if (valid != NULL) {
 244                 valid->bounce_to = strdup(bounce_to);
 245                 valid->envelope_from = strdup(bounce_to);
 246                 valid->sending_room = strdup(RoomName);
 247                 CtdlSubmitMsg(msg, valid, NULL, 0);
 248                 free_recipients(valid);
 249         }
 250         /* Do not call CtdlFreeMessage(msg) here; the caller will free it. */
 251 }
 252
 253
 254 /*
 255  * Spools out one message from the list.
 256  */
 257 void network_spool_msg(long msgnum,
 258                        void *userdata)
 259 {
 260         struct CitContext *CCC = CC;
 261         StrBuf *Buf = NULL;
 262         SpoolControl *sc;
 263         int i;
 264         char *newpath = NULL;
 265         struct CtdlMessage *msg = NULL;
 266         namelist *nptr;
 267         maplist *mptr;
 268         struct ser_ret sermsg;
 269         FILE *fp;
 270         char filename[PATH_MAX];
 271         char buf[SIZ];
 272         int bang = 0;
 273         int send = 1;
 274         int delete_after_send = 0;      /* Set to 1 to delete after spooling */
 275         int ok_to_participate = 0;
 276         struct recptypes *valid;
 277
 278         sc = (SpoolControl *)userdata;
 279
 280         /*
 281          * Process mailing list recipients
 282          */
 283         if (sc->NetConfigs[listrecp] != NULL) {
 284                 /* Fetch the message.  We're going to need to modify it
 285                  * in order to insert the [list name] in it, etc.
 286                  */
 287                 msg = CtdlFetchMessage(msgnum, 1);
 288                 if (msg != NULL) {
 289                         int rlen;
 290                         char *pCh;
 291                         StrBuf *Subject, *FlatSubject;
 292
 293                         if (msg->cm_fields['K'] != NULL)
 294                                 free(msg->cm_fields['K']);
 295                         if (msg->cm_fields['V'] == NULL){
 296                                 /* local message, no enVelope */
 297                                 StrBuf *Buf;
 298                                 Buf = NewStrBuf();
 299                                 StrBufAppendBufPlain(Buf,
 300                                                      msg->cm_fields['O']
 301                                                      , -1, 0);
 302                                 StrBufAppendBufPlain(Buf, HKEY("@"), 0);
 303                                 StrBufAppendBufPlain(Buf, config.c_fqdn, -1, 0);
 304
 305                                 msg->cm_fields['K'] = SmashStrBuf(&Buf);
 306                         }
 307                         else {
 308                                 msg->cm_fields['K'] =
 309                                         strdup (msg->cm_fields['V']);
 310                         }
 311                         /* Set the 'List-ID' header */
 312                         if (msg->cm_fields['L'] != NULL) {
 313                                 free(msg->cm_fields['L']);
 314                         }
 315                         msg->cm_fields['L'] = malloc(1024);
 316                         snprintf(msg->cm_fields['L'], 1024,
 317                                 "%s <%ld.list-id.%s>",
 318                                 CC->room.QRname,
 319                                 CC->room.QRnumber,
 320                                 config.c_fqdn
 321                         );
 322
 323                         /* Prepend "[List name]" to the subject */
 324                         if (msg->cm_fields['U'] == NULL) {
 325                                 Subject = NewStrBufPlain(HKEY("(no subject)"));
 326                         }
 327                         else {
 328                                 Subject = NewStrBufPlain(
 329                                         msg->cm_fields['U'], -1);
 330                         }
 331                         FlatSubject = NewStrBufPlain(NULL, StrLength(Subject));
 332                         StrBuf_RFC822_to_Utf8(FlatSubject, Subject, NULL, NULL);
 333
 334                         rlen = strlen(CC->room.QRname);
 335                         pCh  = strstr(ChrPtr(FlatSubject), CC->room.QRname);
 336                         if ((pCh == NULL) ||
 337                             (*(pCh + rlen) != ']') ||
 338                             (pCh == ChrPtr(FlatSubject)) ||
 339                             (*(pCh - 1) != '[')
 340                                 )
 341                         {
 342                                 StrBuf *tmp;
 343                                 StrBufPlain(Subject, HKEY("["));
 344                                 StrBufAppendBufPlain(Subject,
 345                                                      CC->room.QRname,
 346                                                      rlen, 0);
 347                                 StrBufAppendBufPlain(Subject, HKEY("] "), 0);
 348                                 StrBufAppendBuf(Subject, FlatSubject, 0);
 349                                  /* so we can free the right one swap them */
 350                                 tmp = Subject;
 351                                 Subject = FlatSubject;
 352                                 FlatSubject = tmp;
 353                                 StrBufRFC2047encode(&Subject, FlatSubject);
 354                         }
 355
 356                         if (msg->cm_fields['U'] != NULL)
 357                                 free (msg->cm_fields['U']);
 358                         msg->cm_fields['U'] = SmashStrBuf(&Subject);
 359
 360                         FreeStrBuf(&FlatSubject);
 361
 362                         /* else we won't modify the buffer, since the
 363                          * roomname is already here.
 364                          */
 365
 366                         /* if there is no other recipient, Set the recipient
 367                          * of the list message to the email address of the
 368                          * room itself.
 369                          */
 370                         if ((msg->cm_fields['R'] == NULL) ||
 371                             IsEmptyStr(msg->cm_fields['R']))
 372                         {
 373                                 if (msg->cm_fields['R'] != NULL)
 374                                         free(msg->cm_fields['R']);
 375
 376                                 msg->cm_fields['R'] = malloc(256);
 377                                 snprintf(msg->cm_fields['R'], 256,
 378                                          "room_%s@%s", CC->room.QRname,
 379                                          config.c_fqdn);
 380                                 for (i=0; msg->cm_fields['R'][i]; ++i) {
 381                                         if (isspace(msg->cm_fields['R'][i])) {
 382                                                 msg->cm_fields['R'][i] = '_';
 383                                         }
 384                                 }
 385                         }
 386
 387                         /* Handle delivery */
 388                         network_deliver_list(msg, sc, CC->room.QRname);
 389                         CtdlFreeMessage(msg);
 390                 }
 391         }
 392
 393         /*
 394          * Process digest recipients
 395          */
 396         if ((sc->NetConfigs[digestrecp] != NULL) && (sc->digestfp != NULL)) {
 397                 msg = CtdlFetchMessage(msgnum, 1);
 398                 if (msg != NULL) {
 399                         fprintf(sc->digestfp,
 400                                 " -----------------------------------"
 401                                 "------------------------------------"
 402                                 "-------\n");
 403                         fprintf(sc->digestfp, "From: ");
 404                         if (msg->cm_fields['A'] != NULL) {
 405                                 fprintf(sc->digestfp,
 406                                         "%s ",
 407                                         msg->cm_fields['A']);
 408                         }
 409                         if (msg->cm_fields['F'] != NULL) {
 410                                 fprintf(sc->digestfp,
 411                                         "<%s> ",
 412                                         msg->cm_fields['F']);
 413                         }
 414                         else if (msg->cm_fields['N'] != NULL) {
 415                                 fprintf(sc->digestfp,
 416                                         "@%s ",
 417                                         msg->cm_fields['N']);
 418                         }
 419                         fprintf(sc->digestfp, "\n");
 420                         if (msg->cm_fields['U'] != NULL) {
 421                                 fprintf(sc->digestfp,
 422                                         "Subject: %s\n",
 423                                         msg->cm_fields['U']);
 424                         }
 425
 426                         CC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
 427
 428                         safestrncpy(CC->preferred_formats,
 429                                     "text/plain",
 430                                     sizeof CC->preferred_formats);
 431
 432                         CtdlOutputPreLoadedMsg(msg,
 433                                                MT_CITADEL,
 434                                                HEADERS_NONE,
 435                                                0, 0, 0);
 436
 437                         StrBufTrim(CC->redirect_buffer);
 438                         fwrite(HKEY("\n"), 1, sc->digestfp);
 439                         fwrite(SKEY(CC->redirect_buffer), 1, sc->digestfp);
 440                         fwrite(HKEY("\n"), 1, sc->digestfp);
 441
 442                         FreeStrBuf(&CC->redirect_buffer);
 443
 444                         sc->num_msgs_spooled += 1;
 445                         CtdlFreeMessage(msg);
 446                 }
 447         }
 448
 449         /*
 450          * Process client-side list participations for this room
 451          */
 452         if (sc->NetConfigs[participate] != NULL) {
 453                 msg = CtdlFetchMessage(msgnum, 1);
 454                 if (msg != NULL) {
 455
 456                         /* Only send messages which originated on our own
 457                          * Citadel network, otherwise we'll end up sending the
 458                          * remote mailing list's messages back to it, which
 459                          * is rude...
 460                          */
 461                         ok_to_participate = 0;
 462                         if (msg->cm_fields['N'] != NULL) {
 463                                 if (!strcasecmp(msg->cm_fields['N'],
 464                                                 config.c_nodename)) {
 465                                         ok_to_participate = 1;
 466                                 }
 467
 468                                 Buf = NewStrBufPlain(msg->cm_fields['N'], -1);
 469                                 if (is_valid_node(NULL,
 470                                                   NULL,
 471                                                   Buf,
 472                                                   sc->working_ignetcfg,
 473                                                   sc->the_netmap) == 0)
 474                                 {
 475                                         ok_to_participate = 1;
 476                                 }
 477                         }
 478                         if (ok_to_participate) {
 479                                 if (msg->cm_fields['F'] != NULL) {
 480                                         free(msg->cm_fields['F']);
 481                                 }
 482                                 msg->cm_fields['F'] = malloc(SIZ);
 483                                 /* Replace the Internet email address of the
 484                                  * actual author with the email address of the
 485                                  * room itself, so the remote listserv doesn't
 486                                  * reject us.
 487                                  * FIXME  I want to be able to pick any address
 488                                 */
 489                                 snprintf(msg->cm_fields['F'], SIZ,
 490                                         "room_%s@%s", CC->room.QRname,
 491                                         config.c_fqdn);
 492                                 for (i=0; msg->cm_fields['F'][i]; ++i) {
 493                                         if (isspace(msg->cm_fields['F'][i])) {
 494                                                 msg->cm_fields['F'][i] = '_';
 495                                         }
 496                                 }
 497
 498                                 /*
 499                                  * Figure out how big a buffer we need to alloc
 500                                  */
 501                                 for (nptr = sc->NetConfigs[participate];
 502                                      nptr != NULL;
 503                                      nptr = nptr->next)
 504                                 {
 505                                         if (msg->cm_fields['R'] != NULL) {
 506                                                 free(msg->cm_fields['R']);
 507                                         }
 508                                         msg->cm_fields['R'] =
 509                                                 strdup(ChrPtr(nptr->Value));
 510
 511                                         valid = validate_recipients(msg->cm_fields['R'],
 512                                                                     NULL, 0);
 513
 514                                         CtdlSubmitMsg(msg, valid, "", 0);
 515                                         free_recipients(valid);
 516                                 }
 517                         }
 518                         CtdlFreeMessage(msg);
 519                 }
 520         }
 521
 522         /*
 523          * Process IGnet push shares
 524          */
 525         msg = CtdlFetchMessage(msgnum, 1);
 526         if (msg != NULL) {
 527                 size_t newpath_len;
 528
 529                 /* Prepend our node name to the Path field whenever
 530                  * sending a message to another IGnet node
 531                  */
 532                 if (msg->cm_fields['P'] == NULL) {
 533                         msg->cm_fields['P'] = strdup("username");
 534                 }
 535                 newpath_len = strlen(msg->cm_fields['P']) +
 536                          strlen(config.c_nodename) + 2;
 537                 newpath = malloc(newpath_len);
 538                 snprintf(newpath, newpath_len, "%s!%s",
 539                          config.c_nodename, msg->cm_fields['P']);
 540                 free(msg->cm_fields['P']);
 541                 msg->cm_fields['P'] = newpath;
 542
 543                 /*
 544                  * Determine if this message is set to be deleted
 545                  * after sending out on the network
 546                  */
 547                 if (msg->cm_fields['S'] != NULL) {
 548                         if (!strcasecmp(msg->cm_fields['S'], "CANCEL")) {
 549                                 delete_after_send = 1;
 550                         }
 551                 }
 552
 553                 /* Now send it to every node */
 554                 if (sc->NetConfigs[ignet_push_share] != NULL)
 555                 for (mptr = (maplist*)sc->NetConfigs[ignet_push_share]; mptr != NULL;
 556                     mptr = mptr->next) {
 557
 558                         send = 1;
 559                         NewStrBufDupAppendFlush(&Buf, mptr->remote_nodename, NULL, 1);
 560
 561                         /* Check for valid node name */
 562                         if (is_valid_node(NULL,
 563                                           NULL,
 564                                           Buf,
 565                                           sc->working_ignetcfg,
 566                                           sc->the_netmap) != 0)
 567                         {
 568                                 QN_syslog(LOG_ERR,
 569                                           "Invalid node <%s>\n",
 570                                           ChrPtr(mptr->remote_nodename));
 571
 572                                 send = 0;
 573                         }
 574
 575                         /* Check for split horizon */
 576                         QN_syslog(LOG_DEBUG, "Path is %s\n", msg->cm_fields['P']);
 577                         bang = num_tokens(msg->cm_fields['P'], '!');
 578                         if (bang > 1) {
 579                                 for (i=0; i<(bang-1); ++i) {
 580                                         extract_token(buf,
 581                                                       msg->cm_fields['P'],
 582                                                       i, '!',
 583                                                       sizeof buf);
 584
 585                                         QN_syslog(LOG_DEBUG, "Compare <%s> to <%s>\n",
 586                                                   buf, ChrPtr(mptr->remote_nodename)) ;
 587                                         if (!strcasecmp(buf, ChrPtr(mptr->remote_nodename))) {
 588                                                 send = 0;
 589                                                 break;
 590                                         }
 591                                 }
 592
 593                                 QN_syslog(LOG_INFO,
 594                                           "%sSending to %s\n",
 595                                           (send)?"":"Not ",
 596                                           ChrPtr(mptr->remote_nodename));
 597                         }
 598
 599                         /* Send the message */
 600                         if (send == 1)
 601                         {
 602                                 /*
 603                                  * Force the message to appear in the correct
 604                                  * room on the far end by setting the C field
 605                                  * correctly
 606                                  */
 607                                 if (msg->cm_fields['C'] != NULL) {
 608                                         free(msg->cm_fields['C']);
 609                                 }
 610                                 if (StrLength(mptr->remote_roomname) > 0) {
 611                                         msg->cm_fields['C'] =
 612                                                 strdup(ChrPtr(mptr->remote_roomname));
 613                                 }
 614                                 else {
 615                                         msg->cm_fields['C'] =
 616                                                 strdup(CC->room.QRname);
 617                                 }
 618
 619                                 /* serialize it for transmission */
 620                                 serialize_message(&sermsg, msg);
 621                                 if (sermsg.len > 0) {
 622
 623                                         /* write it to a spool file */
 624                                         snprintf(filename,
 625                                                  sizeof(filename),
 626                                                  "%s/%s@%lx%x",
 627                                                  ctdl_netout_dir,
 628                                                  ChrPtr(mptr->remote_nodename),
 629                                                  time(NULL),
 630                                                  rand()
 631                                         );
 632
 633                                         QN_syslog(LOG_DEBUG,
 634                                                   "Appending to %s\n",
 635                                                   filename);
 636
 637                                         fp = fopen(filename, "ab");
 638                                         if (fp != NULL) {
 639                                                 fwrite(sermsg.ser,
 640                                                         sermsg.len, 1, fp);
 641                                                 fclose(fp);
 642                                         }
 643                                         else {
 644                                                 QN_syslog(LOG_ERR,
 645                                                           "%s: %s\n",
 646                                                           filename,
 647                                                           strerror(errno));
 648                                         }
 649
 650                                         /* free the serialized version */
 651                                         free(sermsg.ser);
 652                                 }
 653
 654                         }
 655                 }
 656                 CtdlFreeMessage(msg);
 657         }
 658
 659         /* update lastsent */
 660         sc->lastsent = msgnum;
 661
 662         /* Delete this message if delete-after-send is set */
 663         if (delete_after_send) {
 664                 CtdlDeleteMessages(CC->room.QRname, &msgnum, 1, "");
 665         }
 666         FreeStrBuf(&Buf);
 667 }