citadel/serv_network.c

   1 /*
   2  * $Id$
   3  *
   4  * This module will eventually replace netproc and some of its utilities.
   5  * Copyright (C) 2000 by Art Cancro and others.
   6  * This code is released under the terms of the GNU General Public License.
   7  *
   8  */
   9
  10 #include "sysdep.h"
  11 #include <stdlib.h>
  12 #include <unistd.h>
  13 #include <stdio.h>
  14 #include <fcntl.h>
  15 #include <signal.h>
  16 #include <pwd.h>
  17 #include <errno.h>
  18 #include <sys/types.h>
  19 #include <sys/time.h>
  20 #include <sys/wait.h>
  21 #include <string.h>
  22 #include <limits.h>
  23 #include "citadel.h"
  24 #include "server.h"
  25 #include <time.h>
  26 #include "sysdep_decls.h"
  27 #include "citserver.h"
  28 #include "support.h"
  29 #include "config.h"
  30 #include "dynloader.h"
  31 #include "room_ops.h"
  32 #include "user_ops.h"
  33 #include "policy.h"
  34 #include "database.h"
  35 #include "msgbase.h"
  36 #include "tools.h"
  37 #include "internet_addressing.h"
  38 #include "serv_network.h"
  39
  40
  41 void cmd_gnet(char *argbuf) {
  42         char filename[SIZ];
  43         char buf[SIZ];
  44         FILE *fp;
  45
  46         if (CtdlAccessCheck(ac_room_aide)) return;
  47         assoc_file_name(filename, &CC->quickroom, "netconfigs");
  48         cprintf("%d Network settings for room #%ld <%s>\n",
  49                 LISTING_FOLLOWS,
  50                 CC->quickroom.QRnumber, CC->quickroom.QRname);
  51
  52         fp = fopen(filename, "r");
  53         if (fp != NULL) {
  54                 while (fgets(buf, sizeof buf, fp) != NULL) {
  55                         buf[strlen(buf)-1] = 0;
  56                         cprintf("%s\n", buf);
  57                 }
  58                 fclose(fp);
  59         }
  60
  61         cprintf("000\n");
  62 }
  63
  64
  65 void cmd_snet(char *argbuf) {
  66         char tempfilename[SIZ];
  67         char filename[SIZ];
  68         char buf[SIZ];
  69         FILE *fp;
  70
  71         if (CtdlAccessCheck(ac_room_aide)) return;
  72         safestrncpy(tempfilename, tmpnam(NULL), sizeof tempfilename);
  73         assoc_file_name(filename, &CC->quickroom, "netconfigs");
  74
  75         fp = fopen(tempfilename, "w");
  76         if (fp == NULL) {
  77                 cprintf("%d Cannot open %s: %s\n",
  78                         ERROR+INTERNAL_ERROR,
  79                         tempfilename,
  80                         strerror(errno));
  81         }
  82
  83         cprintf("%d %s\n", SEND_LISTING, tempfilename);
  84         while (client_gets(buf), strcmp(buf, "000")) {
  85                 fprintf(fp, "%s\n", buf);
  86         }
  87         fclose(fp);
  88
  89         /* Now copy the temp file to its permanent location
  90          * (We use /bin/mv instead of link() because they may be on
  91          * different filesystems)
  92          */
  93         unlink(filename);
  94         snprintf(buf, sizeof buf, "/bin/mv %s %s", tempfilename, filename);
  95         system(buf);
  96 }
  97
  98
  99
 100 /*
 101  * Spools out one message from the list.
 102  */
 103 void network_spool_msg(long msgnum, void *userdata) {
 104         struct SpoolControl *sc;
 105         struct namelist *nptr;
 106         int err;
 107         char *instr = NULL;
 108         int instr_len = 0;
 109         struct CtdlMessage *imsg;
 110
 111         sc = (struct SpoolControl *)userdata;
 112
 113         /* If no recipients, bail out now.
 114          * (May need to tweak this when we add other types of targets)
 115          */
 116         if (sc->listrecps == NULL) return;
 117
 118         /* First, copy it to the spoolout room */
 119         err = CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, msgnum, 0);
 120         if (err != 0) return;
 121
 122         lprintf(9, "Generating delivery instructions\n");
 123         instr_len = 4096;
 124         instr = mallok(instr_len);
 125         sprintf(instr,
 126                 "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
 127                 "bounceto|postmaster@%s\n" ,
 128                 SPOOLMIME, msgnum, time(NULL), config.c_fqdn );
 129
 130         imsg = mallok(sizeof(struct CtdlMessage));
 131         memset(imsg, 0, sizeof(struct CtdlMessage));
 132         imsg->cm_magic = CTDLMESSAGE_MAGIC;
 133         imsg->cm_anon_type = MES_NORMAL;
 134         imsg->cm_format_type = FMT_RFC822;
 135         imsg->cm_fields['A'] = strdoop("Citadel");
 136         imsg->cm_fields['M'] = instr;
 137
 138         /* Generate delivery instructions for each recipient */
 139         for (nptr = sc->listrecps; nptr != NULL; nptr = nptr->next) {
 140                 if (instr_len - strlen(instr) < SIZ) {
 141                         instr_len = instr_len * 2;
 142                         instr = reallok(instr, instr_len);
 143                 }
 144                 sprintf(&instr[strlen(instr)], "remote|%s|0||\n",
 145                         nptr->name);
 146         }
 147
 148         /* Save delivery instructions in spoolout room */
 149         CtdlSaveMsg(imsg, "", SMTP_SPOOLOUT_ROOM, MES_LOCAL);
 150         CtdlFreeMessage(imsg);
 151
 152         /* update lastsent */
 153         sc->lastsent = msgnum;
 154 }
 155
 156
 157
 158
 159 /*
 160  * Batch up and send all outbound traffic from the current room
 161  */
 162 void network_spoolout_current_room(void) {
 163         char filename[SIZ];
 164         char buf[SIZ];
 165         char instr[SIZ];
 166         FILE *fp;
 167         struct SpoolControl sc;
 168         /* struct namelist *digestrecps = NULL; */
 169         struct namelist *nptr;
 170
 171         memset(&sc, 0, sizeof(struct SpoolControl));
 172         assoc_file_name(filename, &CC->quickroom, "netconfigs");
 173
 174         fp = fopen(filename, "r");
 175         if (fp == NULL) {
 176                 lprintf(7, "Outbound batch processing skipped for <%s>\n",
 177                         CC->quickroom.QRname);
 178                 return;
 179         }
 180
 181         lprintf(5, "Outbound batch processing started for <%s>\n",
 182                 CC->quickroom.QRname);
 183
 184         while (fgets(buf, sizeof buf, fp) != NULL) {
 185                 buf[strlen(buf)-1] = 0;
 186
 187                 extract(instr, buf, 0);
 188                 if (!strcasecmp(instr, "lastsent")) {
 189                         sc.lastsent = extract_long(buf, 1);
 190                 }
 191                 else if (!strcasecmp(instr, "listrecp")) {
 192                         nptr = (struct namelist *)
 193                                 mallok(sizeof(struct namelist));
 194                         nptr->next = sc.listrecps;
 195                         extract(nptr->name, buf, 1);
 196                         sc.listrecps = nptr;
 197                 }
 198
 199
 200         }
 201         fclose(fp);
 202
 203
 204         /* Do something useful */
 205         CtdlForEachMessage(MSGS_GT, sc.lastsent, (-63), NULL, NULL,
 206                 network_spool_msg, &sc);
 207
 208
 209         /* Now rewrite the config file */
 210         fp = fopen(filename, "w");
 211         if (fp == NULL) {
 212                 lprintf(1, "ERROR: cannot open %s: %s\n",
 213                         filename, strerror(errno));
 214         }
 215         else {
 216                 fprintf(fp, "lastsent|%ld\n", sc.lastsent);
 217
 218                 /* Write out the listrecps while freeing from memory at the
 219                  * same time.  Am I clever or what?  :)
 220                  */
 221                 while (sc.listrecps != NULL) {
 222                         fprintf(fp, "listrecp|%s\n", sc.listrecps->name);
 223                         nptr = sc.listrecps->next;
 224                         phree(sc.listrecps);
 225                         sc.listrecps = nptr;
 226                 }
 227
 228                 fclose(fp);
 229         }
 230
 231         lprintf(5, "Outbound batch processing finished for <%s>\n",
 232                 CC->quickroom.QRname);
 233 }
 234
 235
 236
 237 /* FIXME temporary server command for batch send */
 238 void cmd_batc(char *argbuf) {
 239         if (CtdlAccessCheck(ac_aide)) return;
 240
 241         network_spoolout_current_room();
 242
 243         cprintf("%d FIXME cmd_batc() ok\n", OK);
 244 }
 245
 246
 247
 248 char *Dynamic_Module_Init(void)
 249 {
 250         CtdlRegisterProtoHook(cmd_gnet, "GNET", "Get network config");
 251         CtdlRegisterProtoHook(cmd_snet, "SNET", "Get network config");
 252
 253         /* FIXME
 254            temporary server command for batch send
 255          */
 256         CtdlRegisterProtoHook(cmd_batc, "BATC", "send out batch (temp)");
 257
 258         return "$Id$";
 259 }