/*
- * This module handles shared rooms, inter-Citadel mail, and outbound
- * mailing list processing.
+ * This module handles network mail and mailing list processing.
*
- * Copyright (c) 2000-2011 by the citadel.org team
+ * Copyright (c) 2000-2021 by the citadel.org team
*
- * This program is open source software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
+ * This program is open source software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 3.
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
*
* ** NOTE ** A word on the S_NETCONFIGS semaphore:
* This is a fairly high-level type of critical section. It ensures that no
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
-#if TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else
-# if HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else
-# include <time.h>
-# endif
-#endif
+#include <time.h>
#ifdef HAVE_SYSCALL_H
# include <syscall.h>
-#else
+#else
# if HAVE_SYS_SYSCALL_H
# include <sys/syscall.h>
# endif
#include "internet_addressing.h"
#include "serv_network.h"
#include "clientsocket.h"
-#include "file_ops.h"
#include "citadel_dirs.h"
#include "threads.h"
-
-#ifndef HAVE_SNPRINTF
-#include "snprintf.h"
-#endif
-
#include "context.h"
-#include "netconfig.h"
-#include "netspool.h"
#include "ctdl_module.h"
-
-
-/*
- * Deliver digest messages
- */
-void network_deliver_digest(SpoolControl *sc) {
- char buf[SIZ];
- int i;
- struct CtdlMessage *msg = NULL;
- long msglen;
- char *recps = NULL;
- size_t recps_len = SIZ;
- struct recptypes *valid;
- namelist *nptr;
- char bounce_to[256];
-
- if (sc->num_msgs_spooled < 1) {
- fclose(sc->digestfp);
- sc->digestfp = NULL;
- return;
- }
-
- msg = malloc(sizeof(struct CtdlMessage));
- memset(msg, 0, sizeof(struct CtdlMessage));
- msg->cm_magic = CTDLMESSAGE_MAGIC;
- msg->cm_format_type = FMT_RFC822;
- msg->cm_anon_type = MES_NORMAL;
-
- sprintf(buf, "%ld", time(NULL));
- msg->cm_fields['T'] = strdup(buf);
- msg->cm_fields['A'] = strdup(CC->room.QRname);
- snprintf(buf, sizeof buf, "[%s]", CC->room.QRname);
- msg->cm_fields['U'] = strdup(buf);
- sprintf(buf, "room_%s@%s", CC->room.QRname, config.c_fqdn);
- for (i=0; buf[i]; ++i) {
- if (isspace(buf[i])) buf[i]='_';
- buf[i] = tolower(buf[i]);
- }
- msg->cm_fields['F'] = strdup(buf);
- msg->cm_fields['R'] = strdup(buf);
-
- /* Set the 'List-ID' header */
- msg->cm_fields['L'] = malloc(1024);
- snprintf(msg->cm_fields['L'], 1024,
- "%s <%ld.list-id.%s>",
- CC->room.QRname,
- CC->room.QRnumber,
- config.c_fqdn
- );
-
- /*
- * Go fetch the contents of the digest
- */
- fseek(sc->digestfp, 0L, SEEK_END);
- msglen = ftell(sc->digestfp);
-
- msg->cm_fields['M'] = malloc(msglen + 1);
- fseek(sc->digestfp, 0L, SEEK_SET);
- fread(msg->cm_fields['M'], (size_t)msglen, 1, sc->digestfp);
- msg->cm_fields['M'][msglen] = '\0';
-
- fclose(sc->digestfp);
- sc->digestfp = NULL;
-
- /* Now generate the delivery instructions */
-
- /*
- * Figure out how big a buffer we need to allocate
- */
- for (nptr = sc->digestrecps; nptr != NULL; nptr = nptr->next) {
- recps_len = recps_len + strlen(nptr->name) + 2;
- }
-
- recps = malloc(recps_len);
-
- if (recps == NULL) {
- syslog(LOG_EMERG, "Cannot allocate %ld bytes for recps...\n", (long)recps_len);
- abort();
- }
-
- strcpy(recps, "");
-
- /* Each recipient */
- for (nptr = sc->digestrecps; nptr != NULL; nptr = nptr->next) {
- if (nptr != sc->digestrecps) {
- strcat(recps, ",");
- }
- strcat(recps, nptr->name);
- }
-
- /* Where do we want bounces and other noise to be heard? Surely not the list members! */
- snprintf(bounce_to, sizeof bounce_to, "room_aide@%s", config.c_fqdn);
-
- /* Now submit the message */
- valid = validate_recipients(recps, NULL, 0);
- free(recps);
- if (valid != NULL) {
- valid->bounce_to = strdup(bounce_to);
- valid->envelope_from = strdup(bounce_to);
- CtdlSubmitMsg(msg, valid, NULL, 0);
- }
- CtdlFreeMessage(msg);
- free_recipients(valid);
-}
-
-
-/*
- * Deliver list messages to everyone on the list ... efficiently
- */
-void network_deliver_list(struct CtdlMessage *msg, SpoolControl *sc) {
- char *recps = NULL;
- size_t recps_len = SIZ;
- struct recptypes *valid;
- namelist *nptr;
- char bounce_to[256];
-
- /* Don't do this if there were no recipients! */
- if (sc->listrecps == NULL) return;
-
- /* Now generate the delivery instructions */
-
- /*
- * Figure out how big a buffer we need to allocate
- */
- for (nptr = sc->listrecps; nptr != NULL; nptr = nptr->next) {
- recps_len = recps_len + strlen(nptr->name) + 2;
- }
-
- recps = malloc(recps_len);
-
- if (recps == NULL) {
- syslog(LOG_EMERG, "Cannot allocate %ld bytes for recps...\n", (long)recps_len);
- abort();
- }
-
- strcpy(recps, "");
-
- /* Each recipient */
- for (nptr = sc->listrecps; nptr != NULL; nptr = nptr->next) {
- if (nptr != sc->listrecps) {
- strcat(recps, ",");
- }
- strcat(recps, nptr->name);
- }
-
- /* Where do we want bounces and other noise to be heard? Surely not the list members! */
- snprintf(bounce_to, sizeof bounce_to, "room_aide@%s", config.c_fqdn);
-
- /* Now submit the message */
- valid = validate_recipients(recps, NULL, 0);
- free(recps);
- if (valid != NULL) {
- valid->bounce_to = strdup(bounce_to);
- valid->envelope_from = strdup(bounce_to);
- CtdlSubmitMsg(msg, valid, NULL, 0);
- free_recipients(valid);
- }
- /* Do not call CtdlFreeMessage(msg) here; the caller will free it. */
-}
-
-
-
-
-/*
- * Spools out one message from the list.
- */
-void network_spool_msg(long msgnum, void *userdata) {
- SpoolControl *sc;
- int i;
- char *newpath = NULL;
- struct CtdlMessage *msg = NULL;
- namelist *nptr;
- maplist *mptr;
- struct ser_ret sermsg;
- FILE *fp;
- char filename[PATH_MAX];
- char buf[SIZ];
- int bang = 0;
- int send = 1;
- int delete_after_send = 0; /* Set to 1 to delete after spooling */
- int ok_to_participate = 0;
- struct recptypes *valid;
-
- sc = (SpoolControl *)userdata;
-
- /*
- * Process mailing list recipients
- */
- if (sc->listrecps != NULL) {
- /* Fetch the message. We're going to need to modify it
- * in order to insert the [list name] in it, etc.
- */
- msg = CtdlFetchMessage(msgnum, 1);
- if (msg != NULL) {
- int rlen;
- char *pCh;
- StrBuf *Subject, *FlatSubject;
-
- if (msg->cm_fields['V'] == NULL){
- /* local message, no enVelope */
- StrBuf *Buf;
- Buf = NewStrBuf();
- StrBufAppendBufPlain(Buf, msg->cm_fields['O'], -1, 0);
- StrBufAppendBufPlain(Buf, HKEY("@"), 0);
- StrBufAppendBufPlain(Buf, config.c_fqdn, -1, 0);
-
- msg->cm_fields['K'] = SmashStrBuf(&Buf);
- }
- else {
- msg->cm_fields['K'] = strdup (msg->cm_fields['V']);
- }
- /* Set the 'List-ID' header */
- if (msg->cm_fields['L'] != NULL) {
- free(msg->cm_fields['L']);
- }
- msg->cm_fields['L'] = malloc(1024);
- snprintf(msg->cm_fields['L'], 1024,
- "%s <%ld.list-id.%s>",
- CC->room.QRname,
- CC->room.QRnumber,
- config.c_fqdn
- );
-
- /* Prepend "[List name]" to the subject */
- if (msg->cm_fields['U'] == NULL) {
- Subject = NewStrBufPlain(HKEY("(no subject)"));
- }
- else {
- Subject = NewStrBufPlain(msg->cm_fields['U'], -1);
- }
- FlatSubject = NewStrBufPlain(NULL, StrLength(Subject));
- StrBuf_RFC822_to_Utf8(FlatSubject, Subject, NULL, NULL);
-
- rlen = strlen(CC->room.QRname);
- pCh = strstr(ChrPtr(FlatSubject), CC->room.QRname);
- if ((pCh == NULL) ||
- (*(pCh + rlen) != ']') ||
- (pCh == ChrPtr(FlatSubject)) ||
- (*(pCh - 1) != '[')
- )
- {
- StrBuf *tmp;
- StrBufPlain(Subject, HKEY("["));
- StrBufAppendBufPlain(Subject, CC->room.QRname, rlen, 0);
- StrBufAppendBufPlain(Subject, HKEY("] "), 0);
- StrBufAppendBuf(Subject, FlatSubject, 0);
- tmp = Subject; Subject = FlatSubject; FlatSubject = tmp; /* so we can free the right one... */
- StrBufRFC2047encode(&Subject, FlatSubject);
- }
-
- if (msg->cm_fields['U'] != NULL)
- free (msg->cm_fields['U']);
- msg->cm_fields['U'] = SmashStrBuf(&Subject);
-
- FreeStrBuf(&FlatSubject);
-
- /* else we won't modify the buffer, since the roomname is already here. */
-
- /* Set the recipient of the list message to the
- * email address of the room itself.
- * FIXME ... I want to be able to pick any address
- */
- if (msg->cm_fields['R'] != NULL) {
- free(msg->cm_fields['R']);
- }
- msg->cm_fields['R'] = malloc(256);
- snprintf(msg->cm_fields['R'], 256,
- "room_%s@%s", CC->room.QRname,
- config.c_fqdn);
- for (i=0; msg->cm_fields['R'][i]; ++i) {
- if (isspace(msg->cm_fields['R'][i])) {
- msg->cm_fields['R'][i] = '_';
- }
- }
-
- /* Handle delivery */
- network_deliver_list(msg, sc);
- CtdlFreeMessage(msg);
- }
- }
-
- /*
- * Process digest recipients
- */
- if ((sc->digestrecps != NULL) && (sc->digestfp != NULL)) {
- msg = CtdlFetchMessage(msgnum, 1);
- if (msg != NULL) {
- fprintf(sc->digestfp, " -----------------------------------"
- "------------------------------------"
- "-------\n");
- fprintf(sc->digestfp, "From: ");
- if (msg->cm_fields['A'] != NULL) {
- fprintf(sc->digestfp, "%s ", msg->cm_fields['A']);
- }
- if (msg->cm_fields['F'] != NULL) {
- fprintf(sc->digestfp, "<%s> ", msg->cm_fields['F']);
- }
- else if (msg->cm_fields['N'] != NULL) {
- fprintf(sc->digestfp, "@%s ", msg->cm_fields['N']);
- }
- fprintf(sc->digestfp, "\n");
- if (msg->cm_fields['U'] != NULL) {
- fprintf(sc->digestfp, "Subject: %s\n", msg->cm_fields['U']);
- }
-
- CC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
-
- safestrncpy(CC->preferred_formats, "text/plain", sizeof CC->preferred_formats);
- CtdlOutputPreLoadedMsg(msg, MT_CITADEL, HEADERS_NONE, 0, 0, 0);
-
- StrBufTrim(CC->redirect_buffer);
- fwrite(HKEY("\n"), 1, sc->digestfp);
- fwrite(SKEY(CC->redirect_buffer), 1, sc->digestfp);
- fwrite(HKEY("\n"), 1, sc->digestfp);
-
- FreeStrBuf(&CC->redirect_buffer);
-
- sc->num_msgs_spooled += 1;
- free(msg);
- }
- }
-
- /*
- * Process client-side list participations for this room
- */
- if (sc->participates != NULL) {
- msg = CtdlFetchMessage(msgnum, 1);
- if (msg != NULL) {
-
- /* Only send messages which originated on our own Citadel
- * network, otherwise we'll end up sending the remote
- * mailing list's messages back to it, which is rude...
- */
- ok_to_participate = 0;
- if (msg->cm_fields['N'] != NULL) {
- if (!strcasecmp(msg->cm_fields['N'], config.c_nodename)) {
- ok_to_participate = 1;
- }
- if (is_valid_node(NULL, NULL, msg->cm_fields['N']) == 0) {
- ok_to_participate = 1;
- }
- }
- if (ok_to_participate) {
- if (msg->cm_fields['F'] != NULL) {
- free(msg->cm_fields['F']);
- }
- msg->cm_fields['F'] = malloc(SIZ);
- /* Replace the Internet email address of the actual
- * author with the email address of the room itself,
- * so the remote listserv doesn't reject us.
- * FIXME ... I want to be able to pick any address
- */
- snprintf(msg->cm_fields['F'], SIZ,
- "room_%s@%s", CC->room.QRname,
- config.c_fqdn);
- for (i=0; msg->cm_fields['F'][i]; ++i) {
- if (isspace(msg->cm_fields['F'][i])) {
- msg->cm_fields['F'][i] = '_';
- }
- }
-
- /*
- * Figure out how big a buffer we need to allocate
- */
- for (nptr = sc->participates; nptr != NULL; nptr = nptr->next) {
-
- if (msg->cm_fields['R'] == NULL) {
- free(msg->cm_fields['R']);
- }
- msg->cm_fields['R'] = strdup(nptr->name);
-
- valid = validate_recipients(nptr->name, NULL, 0);
- CtdlSubmitMsg(msg, valid, "", 0);
- free_recipients(valid);
- }
-
- }
- CtdlFreeMessage(msg);
- }
- }
-
- /*
- * Process IGnet push shares
- */
- msg = CtdlFetchMessage(msgnum, 1);
- if (msg != NULL) {
- size_t newpath_len;
-
- /* Prepend our node name to the Path field whenever
- * sending a message to another IGnet node
- */
- if (msg->cm_fields['P'] == NULL) {
- msg->cm_fields['P'] = strdup("username");
- }
- newpath_len = strlen(msg->cm_fields['P']) +
- strlen(config.c_nodename) + 2;
- newpath = malloc(newpath_len);
- snprintf(newpath, newpath_len, "%s!%s",
- config.c_nodename, msg->cm_fields['P']);
- free(msg->cm_fields['P']);
- msg->cm_fields['P'] = newpath;
-
- /*
- * Determine if this message is set to be deleted
- * after sending out on the network
- */
- if (msg->cm_fields['S'] != NULL) {
- if (!strcasecmp(msg->cm_fields['S'], "CANCEL")) {
- delete_after_send = 1;
- }
- }
-
- /* Now send it to every node */
- if (sc->ignet_push_shares != NULL)
- for (mptr = sc->ignet_push_shares; mptr != NULL;
- mptr = mptr->next) {
-
- send = 1;
-
- /* Check for valid node name */
- if (is_valid_node(NULL, NULL, mptr->remote_nodename) != 0) {
- syslog(LOG_ERR, "Invalid node <%s>\n", mptr->remote_nodename);
- send = 0;
- }
-
- /* Check for split horizon */
- syslog(LOG_DEBUG, "Path is %s\n", msg->cm_fields['P']);
- bang = num_tokens(msg->cm_fields['P'], '!');
- if (bang > 1) for (i=0; i<(bang-1); ++i) {
- extract_token(buf, msg->cm_fields['P'], i, '!', sizeof buf);
- syslog(LOG_DEBUG, "Compare <%s> to <%s>\n",
- buf, mptr->remote_nodename) ;
- if (!strcasecmp(buf, mptr->remote_nodename)) {
- send = 0;
- syslog(LOG_DEBUG, "Not sending to %s\n",
- mptr->remote_nodename);
- }
- else {
- syslog(LOG_DEBUG, "Sending to %s\n", mptr->remote_nodename);
- }
- }
-
- /* Send the message */
- if (send == 1) {
-
- /*
- * Force the message to appear in the correct room
- * on the far end by setting the C field correctly
- */
- if (msg->cm_fields['C'] != NULL) {
- free(msg->cm_fields['C']);
- }
- if (!IsEmptyStr(mptr->remote_roomname)) {
- msg->cm_fields['C'] = strdup(mptr->remote_roomname);
- }
- else {
- msg->cm_fields['C'] = strdup(CC->room.QRname);
- }
-
- /* serialize it for transmission */
- serialize_message(&sermsg, msg);
- if (sermsg.len > 0) {
-
- /* write it to a spool file */
- snprintf(filename, sizeof filename,"%s/%s@%lx%x",
- ctdl_netout_dir,
- mptr->remote_nodename,
- time(NULL),
- rand()
- );
- syslog(LOG_DEBUG, "Appending to %s\n", filename);
- fp = fopen(filename, "ab");
- if (fp != NULL) {
- fwrite(sermsg.ser,
- sermsg.len, 1, fp);
- fclose(fp);
- }
- else {
- syslog(LOG_ERR, "%s: %s\n", filename, strerror(errno));
- }
-
- /* free the serialized version */
- free(sermsg.ser);
- }
-
- }
- }
- CtdlFreeMessage(msg);
- }
-
- /* update lastsent */
- sc->lastsent = msgnum;
-
- /* Delete this message if delete-after-send is set */
- if (delete_after_send) {
- CtdlDeleteMessages(CC->room.QRname, &msgnum, 1, "");
- }
-
-}
+#include "netspool.h"
+#include "netmail.h"
projects / citadel.git / blobdiff