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 "genstamp.h"
  46 #include "internet_addressing.h"
  47 #include "serv_vcard.h"                 /* Needed for vcard_getuser and extract_inet_email_addrs */
  48 #include "journaling.h"
  49
  50 #include "ctdl_module.h"
  51 #include "threads.h"
  52
  53 struct jnlq *jnlq = NULL;       /* journal queue */
  54
  55 /*
  56  * Hand off a copy of a message to be journalized.
  57  */
  58 void JournalBackgroundSubmit(struct CtdlMessage *msg,
  59                         char *saved_rfc822_version,
  60                         struct recptypes *recps) {
  61
  62         struct jnlq *jptr = NULL;
  63
  64         /* Avoid double journaling! */
  65         if (msg->cm_fields['J'] != NULL) {
  66                 free(saved_rfc822_version);
  67                 return;
  68         }
  69
  70         jptr = (struct jnlq *)malloc(sizeof(struct jnlq));
  71         if (jptr == NULL) {
  72                 free(saved_rfc822_version);
  73                 return;
  74         }
  75         memset(jptr, 0, sizeof(struct jnlq));
  76         if (recps != NULL) memcpy(&jptr->recps, recps, sizeof(struct recptypes));
  77         if (msg->cm_fields['A'] != NULL) jptr->from = strdup(msg->cm_fields['A']);
  78         if (msg->cm_fields['N'] != NULL) jptr->node = strdup(msg->cm_fields['N']);
  79         if (msg->cm_fields['F'] != NULL) jptr->rfca = strdup(msg->cm_fields['F']);
  80         if (msg->cm_fields['U'] != NULL) jptr->subj = strdup(msg->cm_fields['U']);
  81         if (msg->cm_fields['I'] != NULL) jptr->msgn = strdup(msg->cm_fields['I']);
  82         jptr->rfc822 = saved_rfc822_version;
  83
  84         /* Add to the queue */
  85         begin_critical_section(S_JOURNAL_QUEUE);
  86         jptr->next = jnlq;
  87         jnlq = jptr;
  88         end_critical_section(S_JOURNAL_QUEUE);
  89 }
  90
  91
  92 /*
  93  * Convert a local user name to an internet email address for the journal
  94  */
  95
  96 /*
  97  * TODODRW: change this into a CtdlModuleDo type function that returns alternative address info
  98  * for this local user. Something like CtdlModuleGoGetAddr(char *localuser, int type, char *alt_addr, size_t alt_addr_len)
  99  * where type can be ADDR_EMAIL, ADDR_FIDO, ADDR_UUCP, ADDR_WEB, ADDR_POSTAL etc etc.
 100  * This then begs the question of what should be returned. Is it wise to return a single char* using a comma as a
 101  * delimiter? Or would it be better to return a linked list of some kind?
 102  */
 103 void local_to_inetemail(char *inetemail, char *localuser, size_t inetemail_len) {
 104         struct ctdluser us;
 105         struct vCard *v;
 106
 107         strcpy(inetemail, "");
 108         if (getuser(&us, localuser) != 0) {
 109                 return;
 110         }
 111
 112         v = vcard_get_user(&us);
 113         if (v == NULL) {
 114                 return;
 115         }
 116
 117         extract_inet_email_addrs(inetemail, inetemail_len, NULL, 0, v, 1);
 118         vcard_free(v);
 119 }
 120
 121
 122 /*
 123  * Called by JournalRunQueue() to send an individual message.
 124  */
 125 void JournalRunQueueMsg(struct jnlq *jmsg) {
 126
 127         struct CtdlMessage *journal_msg = NULL;
 128         struct recptypes *journal_recps = NULL;
 129         char *message_text = NULL;
 130         char mime_boundary[256];
 131         char recipient[256];
 132         char inetemail[256];
 133         static int seq = 0;
 134         int i;
 135
 136         journal_recps = validate_recipients(config.c_journal_dest, NULL, 0);
 137         if (journal_recps != NULL) {
 138
 139                 if (  (journal_recps->num_local > 0)
 140                    || (journal_recps->num_internet > 0)
 141                    || (journal_recps->num_ignet > 0)
 142                    || (journal_recps->num_room > 0)
 143                 ) {
 144
 145                         /*
 146                          * Construct journal message.
 147                          * Note that we are transferring ownership of some of the memory here.
 148                          */
 149                         journal_msg = malloc(sizeof(struct CtdlMessage));
 150                         memset(journal_msg, 0, sizeof(struct CtdlMessage));
 151                         journal_msg->cm_magic = CTDLMESSAGE_MAGIC;
 152                         journal_msg->cm_anon_type = MES_NORMAL;
 153                         journal_msg->cm_format_type = FMT_RFC822;
 154                         journal_msg->cm_fields['J'] = strdup("is journal");
 155                         journal_msg->cm_fields['A'] = jmsg->from;
 156                         journal_msg->cm_fields['N'] = jmsg->node;
 157                         journal_msg->cm_fields['F'] = jmsg->rfca;
 158                         journal_msg->cm_fields['U'] = jmsg->subj;
 159
 160                         sprintf(mime_boundary, "--Citadel-Journal-%08lx-%04x--", time(NULL), ++seq);
 161                         message_text = malloc(strlen(jmsg->rfc822) + sizeof(struct recptypes) + 1024);
 162
 163                         /*
 164                          * Here is where we begin to compose the journalized message.
 165                          * NOTE: the superfluous "Content-Identifer: ExJournalReport" header was
 166                          *       requested by a paying customer, and yes, it is intentionally
 167                          *       spelled wrong.  Do NOT remove or change it.
 168                          */
 169                         sprintf(message_text,
 170                                 "Content-type: multipart/mixed; boundary=\"%s\"\r\n"
 171                                 "Content-Identifer: ExJournalReport\r\n"
 172                                 "MIME-Version: 1.0\r\n"
 173                                 "\n"
 174                                 "--%s\r\n"
 175                                 "Content-type: text/plain\r\n"
 176                                 "\r\n"
 177                                 "Sender: %s "
 178                         ,
 179                                 mime_boundary,
 180                                 mime_boundary,
 181                                 ( journal_msg->cm_fields['A'] ? journal_msg->cm_fields['A'] : "(null)" )
 182                         );
 183
 184                         if (journal_msg->cm_fields['F']) {
 185                                 sprintf(&message_text[strlen(message_text)], "<%s>",
 186                                         journal_msg->cm_fields['F']);
 187                         }
 188                         else if (journal_msg->cm_fields['N']) {
 189                                 sprintf(&message_text[strlen(message_text)], "@ %s",
 190                                         journal_msg->cm_fields['N']);
 191                         }
 192
 193                         sprintf(&message_text[strlen(message_text)],
 194                                 "\r\n"
 195                                 "Message-ID: <%s>\r\n"
 196                                 "Recipients:\r\n"
 197                         ,
 198                                 jmsg->msgn
 199                         );
 200
 201                         if (jmsg->recps.num_local > 0) {
 202                                 for (i=0; i<jmsg->recps.num_local; ++i) {
 203                                         extract_token(recipient, jmsg->recps.recp_local,
 204                                                         i, '|', sizeof recipient);
 205                                         local_to_inetemail(inetemail, recipient, sizeof inetemail);
 206                                         sprintf(&message_text[strlen(message_text)],
 207                                                 "       %s <%s>\r\n", recipient, inetemail);
 208                                 }
 209                         }
 210
 211                         if (jmsg->recps.num_ignet > 0) {
 212                                 for (i=0; i<jmsg->recps.num_ignet; ++i) {
 213                                         extract_token(recipient, jmsg->recps.recp_ignet,
 214                                                         i, '|', sizeof recipient);
 215                                         sprintf(&message_text[strlen(message_text)],
 216                                                 "       %s\r\n", recipient);
 217                                 }
 218                         }
 219
 220                         if (jmsg->recps.num_internet > 0) {
 221                                 for (i=0; i<jmsg->recps.num_internet; ++i) {
 222                                         extract_token(recipient, jmsg->recps.recp_internet,
 223                                                         i, '|', sizeof recipient);
 224                                         sprintf(&message_text[strlen(message_text)],
 225                                                 "       %s\r\n", recipient);
 226                                 }
 227                         }
 228
 229                         sprintf(&message_text[strlen(message_text)],
 230                                 "\r\n"
 231                                 "--%s\r\n"
 232                                 "Content-type: message/rfc822\r\n"
 233                                 "\r\n"
 234                                 "%s"
 235                                 "--%s--\r\n"
 236                         ,
 237                                 mime_boundary,
 238                                 jmsg->rfc822,
 239                                 mime_boundary
 240                         );
 241
 242                         journal_msg->cm_fields['M'] = message_text;
 243                         free(jmsg->rfc822);
 244                         free(jmsg->msgn);
 245
 246                         /* Submit journal message */
 247                         CtdlSubmitMsg(journal_msg, journal_recps, "", 0);
 248                         CtdlFreeMessage(journal_msg);
 249                 }
 250
 251                 free_recipients(journal_recps);
 252         }
 253
 254         /* We are responsible for freeing this memory. */
 255         free(jmsg);
 256 }
 257
 258
 259 /*
 260  * Run the queue.
 261  */
 262 void JournalRunQueue(void) {
 263         struct jnlq *jptr = NULL;
 264
 265         while (jnlq != NULL) {
 266                 begin_critical_section(S_JOURNAL_QUEUE);
 267                 if (jnlq != NULL) {
 268                         jptr = jnlq;
 269                         jnlq = jnlq->next;
 270                 }
 271                 end_critical_section(S_JOURNAL_QUEUE);
 272                 JournalRunQueueMsg(jptr);
 273         }
 274 }
 275
 276