citadel/journaling.c

   1 /*
   2  * Message journaling functions.
   3  */
   4
   5 #include "sysdep.h"
   6 #include <stdlib.h>
   7 #include <unistd.h>
   8 #include <stdio.h>
   9 #include <fcntl.h>
  10
  11 #if TIME_WITH_SYS_TIME
  12 # include <sys/time.h>
  13 # include <time.h>
  14 #else
  15 # if HAVE_SYS_TIME_H
  16 #  include <sys/time.h>
  17 # else
  18 #  include <time.h>
  19 # endif
  20 #endif
  21
  22
  23 #include <ctype.h>
  24 #include <string.h>
  25 #include <limits.h>
  26 #include <errno.h>
  27 #include <stdarg.h>
  28 #include <sys/stat.h>
  29 #include <libcitadel.h>
  30 #include "citadel.h"
  31 #include "server.h"
  32 #include "database.h"
  33 #include "msgbase.h"
  34 #include "support.h"
  35 #include "sysdep_decls.h"
  36 #include "citserver.h"
  37 #include "room_ops.h"
  38 #include "user_ops.h"
  39 #include "file_ops.h"
  40 #include "config.h"
  41 #include "control.h"
  42 #include "genstamp.h"
  43 #include "internet_addressing.h"
  44 #include "serv_vcard.h"                 /* Needed for vcard_getuser and extract_inet_email_addrs */
  45 #include "journaling.h"
  46
  47 #include "ctdl_module.h"
  48 #include "threads.h"
  49
  50 struct jnlq *jnlq = NULL;       /* journal queue */
  51
  52 /*
  53  * Hand off a copy of a message to be journalized.
  54  */
  55 void JournalBackgroundSubmit(struct CtdlMessage *msg,
  56                         StrBuf *saved_rfc822_version,
  57                         struct recptypes *recps) {
  58
  59         struct jnlq *jptr = NULL;
  60
  61         /* Avoid double journaling! */
  62         if (msg->cm_fields[eJournal] != NULL) {
  63                 FreeStrBuf(&saved_rfc822_version);
  64                 return;
  65         }
  66
  67         jptr = (struct jnlq *)malloc(sizeof(struct jnlq));
  68         if (jptr == NULL) {
  69                 FreeStrBuf(&saved_rfc822_version);
  70                 return;
  71         }
  72         memset(jptr, 0, sizeof(struct jnlq));
  73         if (recps != NULL) memcpy(&jptr->recps, recps, sizeof(struct recptypes));
  74         if (msg->cm_fields[eAuthor] != NULL) jptr->from = strdup(msg->cm_fields[eAuthor]);
  75         if (msg->cm_fields[eNodeName] != NULL) jptr->node = strdup(msg->cm_fields[eNodeName]);
  76         if (msg->cm_fields[erFc822Addr] != NULL) jptr->rfca = strdup(msg->cm_fields[erFc822Addr]);
  77         if (msg->cm_fields[eMsgSubject] != NULL) jptr->subj = strdup(msg->cm_fields[eMsgSubject]);
  78         if (msg->cm_fields[emessageId] != NULL) jptr->msgn = strdup(msg->cm_fields[emessageId]);
  79         jptr->rfc822 = SmashStrBuf(&saved_rfc822_version);
  80
  81         /* Add to the queue */
  82         begin_critical_section(S_JOURNAL_QUEUE);
  83         jptr->next = jnlq;
  84         jnlq = jptr;
  85         end_critical_section(S_JOURNAL_QUEUE);
  86 }
  87
  88
  89 /*
  90  * Convert a local user name to an internet email address for the journal
  91  */
  92
  93 /*
  94  * TODODRW: change this into a CtdlModuleDo type function that returns alternative address info
  95  * for this local user. Something like CtdlModuleGoGetAddr(char *localuser, int type, char *alt_addr, size_t alt_addr_len)
  96  * where type can be ADDR_EMAIL, ADDR_FIDO, ADDR_UUCP, ADDR_WEB, ADDR_POSTAL etc etc.
  97  * This then begs the question of what should be returned. Is it wise to return a single char* using a comma as a
  98  * delimiter? Or would it be better to return a linked list of some kind?
  99  */
 100 void local_to_inetemail(char *inetemail, char *localuser, size_t inetemail_len) {
 101         struct ctdluser us;
 102         struct vCard *v;
 103
 104         strcpy(inetemail, "");
 105         if (CtdlGetUser(&us, localuser) != 0) {
 106                 return;
 107         }
 108
 109         v = vcard_get_user(&us);
 110         if (v == NULL) {
 111                 return;
 112         }
 113
 114         extract_inet_email_addrs(inetemail, inetemail_len, NULL, 0, v, 1);
 115         vcard_free(v);
 116 }
 117
 118
 119 /*
 120  * Called by JournalRunQueue() to send an individual message.
 121  */
 122 void JournalRunQueueMsg(struct jnlq *jmsg) {
 123
 124         struct CtdlMessage *journal_msg = NULL;
 125         struct recptypes *journal_recps = NULL;
 126         StrBuf *message_text = NULL;
 127         char mime_boundary[256];
 128         long mblen;
 129         long rfc822len;
 130         char recipient[256];
 131         char inetemail[256];
 132         static int seq = 0;
 133         int i;
 134
 135         if (jmsg == NULL)
 136                 return;
 137         journal_recps = validate_recipients(config.c_journal_dest, NULL, 0);
 138         if (journal_recps != NULL) {
 139
 140                 if (  (journal_recps->num_local > 0)
 141                    || (journal_recps->num_internet > 0)
 142                    || (journal_recps->num_ignet > 0)
 143                    || (journal_recps->num_room > 0)
 144                 ) {
 145
 146                         /*
 147                          * Construct journal message.
 148                          * Note that we are transferring ownership of some of the memory here.
 149                          */
 150                         journal_msg = malloc(sizeof(struct CtdlMessage));
 151                         memset(journal_msg, 0, sizeof(struct CtdlMessage));
 152                         journal_msg->cm_magic = CTDLMESSAGE_MAGIC;
 153                         journal_msg->cm_anon_type = MES_NORMAL;
 154                         journal_msg->cm_format_type = FMT_RFC822;
 155                         CM_SetField(journal_msg, eJournal, HKEY("is journal"));
 156                         CM_SetField(journal_msg, eAuthor, jmsg->from, strlen(jmsg->from));
 157                         CM_SetField(journal_msg, eNodeName, jmsg->node, strlen(jmsg->node));
 158                         CM_SetField(journal_msg, erFc822Addr, jmsg->rfca, strlen(jmsg->rfca));
 159                         CM_SetField(journal_msg, eMsgSubject, jmsg->subj, strlen(jmsg->subj));
 160
 161                         mblen = snprintf(mime_boundary, sizeof(mime_boundary),
 162                                          "--Citadel-Journal-%08lx-%04x--", time(NULL), ++seq);
 163                         rfc822len = strlen(jmsg->rfc822);
 164
 165                         message_text = NewStrBufPlain(NULL, rfc822len + sizeof(struct recptypes) + 1024);
 166
 167                         /*
 168                          * Here is where we begin to compose the journalized message.
 169                          * NOTE: the superfluous "Content-Identifer: ExJournalReport" header was
 170                          *       requested by a paying customer, and yes, it is intentionally
 171                          *       spelled wrong.  Do NOT remove or change it.
 172                          */
 173                         StrBufAppendBufPlain(
 174                                 message_text,
 175                                 HKEY("Content-type: multipart/mixed; boundary=\""), 0);
 176
 177                         StrBufAppendBufPlain(message_text, mime_boundary, mblen, 0);
 178
 179                         StrBufAppendBufPlain(
 180                                 message_text,
 181                                 HKEY("\"\r\n"
 182                                      "Content-Identifer: ExJournalReport\r\n"
 183                                      "MIME-Version: 1.0\r\n"
 184                                      "\n"
 185                                      "--"), 0);
 186
 187                         StrBufAppendBufPlain(message_text, mime_boundary, mblen, 0);
 188
 189                         StrBufAppendBufPlain(
 190                                 message_text,
 191                                 HKEY("\r\n"
 192                                      "Content-type: text/plain\r\n"
 193                                      "\r\n"
 194                                      "Sender: "), 0);
 195
 196                         if (journal_msg->cm_fields[eAuthor])
 197                                 StrBufAppendBufPlain(
 198                                         message_text,
 199                                         journal_msg->cm_fields[eAuthor], -1, 0);
 200                         else
 201                                 StrBufAppendBufPlain(
 202                                         message_text,
 203                                         HKEY("(null)"), 0);
 204
 205                         if (journal_msg->cm_fields[erFc822Addr]) {
 206                                 StrBufAppendPrintf(message_text, " <%s>",
 207                                                    journal_msg->cm_fields[erFc822Addr]);
 208                         }
 209                         else if (journal_msg->cm_fields[eNodeName]) {
 210                                 StrBufAppendPrintf(message_text, " @ %s",
 211                                                    journal_msg->cm_fields[eNodeName]);
 212                         }
 213                         else
 214                                 StrBufAppendBufPlain(
 215                                         message_text,
 216                                         HKEY(" "), 0);
 217
 218                         StrBufAppendBufPlain(
 219                                 message_text,
 220                                 HKEY("\r\n"
 221                                      "Message-ID: <"), 0);
 222
 223                         StrBufAppendBufPlain(message_text, jmsg->msgn, -1, 0);
 224                         StrBufAppendBufPlain(
 225                                 message_text,
 226                                 HKEY(">\r\n"
 227                                      "Recipients:\r\n"), 0);
 228
 229                         if (jmsg->recps.num_local > 0) {
 230                                 for (i=0; i<jmsg->recps.num_local; ++i) {
 231                                         extract_token(recipient, jmsg->recps.recp_local,
 232                                                         i, '|', sizeof recipient);
 233                                         local_to_inetemail(inetemail, recipient, sizeof inetemail);
 234                                         StrBufAppendPrintf(message_text,
 235                                                            "    %s <%s>\r\n", recipient, inetemail);
 236                                 }
 237                         }
 238
 239                         if (jmsg->recps.num_ignet > 0) {
 240                                 for (i=0; i<jmsg->recps.num_ignet; ++i) {
 241                                         extract_token(recipient, jmsg->recps.recp_ignet,
 242                                                         i, '|', sizeof recipient);
 243                                         StrBufAppendPrintf(message_text,
 244                                                            "    %s\r\n", recipient);
 245                                 }
 246                         }
 247
 248                         if (jmsg->recps.num_internet > 0) {
 249                                 for (i=0; i<jmsg->recps.num_internet; ++i) {
 250                                         extract_token(recipient, jmsg->recps.recp_internet,
 251                                                         i, '|', sizeof recipient);
 252                                         StrBufAppendPrintf(message_text,
 253                                                 "       %s\r\n", recipient);
 254                                 }
 255                         }
 256
 257                         StrBufAppendBufPlain(
 258                                 message_text,
 259                                 HKEY("\r\n"
 260                                      "--"), 0);
 261
 262                         StrBufAppendBufPlain(message_text, mime_boundary, mblen, 0);
 263
 264                         StrBufAppendBufPlain(
 265                                 message_text,
 266                                 HKEY("\r\n"
 267                                      "Content-type: message/rfc822\r\n"
 268                                      "\r\n"), 0);
 269
 270                         StrBufAppendBufPlain(message_text, jmsg->rfc822, rfc822len, 0);
 271
 272                         StrBufAppendBufPlain(
 273                                 message_text,
 274                                 HKEY("--"), 0);
 275
 276                         StrBufAppendBufPlain(message_text, mime_boundary, mblen, 0);
 277
 278                         StrBufAppendBufPlain(
 279                                 message_text,
 280                                 HKEY("--\r\n"), 0);
 281
 282                         CM_SetAsFieldSB(journal_msg, eMesageText, &message_text);
 283                         free(jmsg->rfc822);
 284                         free(jmsg->msgn);
 285                         jmsg->rfc822 = NULL;
 286                         jmsg->msgn = NULL;
 287
 288                         /* Submit journal message */
 289                         CtdlSubmitMsg(journal_msg, journal_recps, "", 0);
 290                         CtdlFreeMessage(journal_msg);
 291                 }
 292
 293                 free_recipients(journal_recps);
 294         }
 295
 296         /* We are responsible for freeing this memory. */
 297         free(jmsg);
 298 }
 299
 300
 301 /*
 302  * Run the queue.
 303  */
 304 void JournalRunQueue(void) {
 305         struct jnlq *jptr = NULL;
 306
 307         while (jnlq != NULL) {
 308                 begin_critical_section(S_JOURNAL_QUEUE);
 309                 if (jnlq != NULL) {
 310                         jptr = jnlq;
 311                         jnlq = jnlq->next;
 312                 }
 313                 end_critical_section(S_JOURNAL_QUEUE);
 314                 JournalRunQueueMsg(jptr);
 315         }
 316 }
 317
 318