citadel/journaling.c

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