This is an omnibus commit which moves the Citadel Server from crusty old GNU Autotool...

[citadel.git] / citadel / modules / clamav / serv_virus.c

diff --git a/citadel/modules/clamav/serv_virus.c b/citadel/modules/clamav/serv_virus.c
deleted file mode 100644 (file)
index c5599b9..0000000
--- a/citadel/modules/clamav/serv_virus.c
+++ /dev/null
@@ -1,180 +0,0 @@
-/*
- * This module allows Citadel to use clamd to filter incoming messages
- * arriving via SMTP.  For more information on clamd, visit
- * http://clamav.net (the ClamAV project is not in any way
- * affiliated with the Citadel project).
- *
- * Copyright (c) 1987-2012 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 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.
- */
-
-#define CLAMD_PORT       "3310"
-
-#include "sysdep.h"
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <pwd.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <time.h>
-#include <sys/wait.h>
-#include <string.h>
-#include <limits.h>
-#include <sys/socket.h>
-#include <libcitadel.h>
-#include "citadel.h"
-#include "server.h"
-#include "citserver.h"
-#include "support.h"
-#include "config.h"
-#include "control.h"
-#include "user_ops.h"
-#include "database.h"
-#include "msgbase.h"
-#include "internet_addressing.h"
-#include "domain.h"
-#include "clientsocket.h"
-#include "ctdl_module.h"
-
-
-/*
- * Connect to the clamd server and scan a message.
- */
-int clamd(struct CtdlMessage *msg, struct recptypes *recp) {
-       int sock = (-1);
-       int streamsock = (-1);
-       char clamhosts[SIZ];
-       int num_clamhosts;
-       char buf[SIZ];
-        char hostbuf[SIZ];
-        char portbuf[SIZ];
-       int is_virus = 0;
-       int clamhost;
-       StrBuf *msgtext;
-       CitContext *CCC;
-
-       /* See if we have any clamd hosts configured */
-       num_clamhosts = get_hosts(clamhosts, "clamav");
-       if (num_clamhosts < 1) {
-               return(0);
-       }
-
-       /* Try them one by one until we get a working one */
-        for (clamhost=0; clamhost<num_clamhosts; ++clamhost) {
-                extract_token(buf, clamhosts, clamhost, '|', sizeof buf);
-                syslog(LOG_INFO, "Connecting to clamd at <%s>\n", buf);
-
-                /* Assuming a host:port entry */ 
-                extract_token(hostbuf, buf, 0, ':', sizeof hostbuf);
-                if (extract_token(portbuf, buf, 1, ':', sizeof portbuf)==-1)
-                  /* Didn't specify a port so we'll try the psuedo-standard 3310 */
-                  sock = sock_connect(hostbuf, CLAMD_PORT);
-                else
-                  /* Port specified lets try connecting to it! */
-                  sock = sock_connect(hostbuf, portbuf);
-
-                if (sock >= 0) syslog(LOG_DEBUG, "Connected!\n");
-        }
-
-       if (sock < 0) {
-               /* If the service isn't running, just pass the mail
-                * through.  Potentially throwing away mails isn't good.
-                */
-               return(0);
-       }
-       CCC=CC;
-       CCC->SBuf.Buf = NewStrBuf();
-       CCC->sMigrateBuf = NewStrBuf();
-       CCC->SBuf.ReadWritePointer = NULL;
-
-       /* Command */
-       syslog(LOG_DEBUG, "Transmitting STREAM command\n");
-       sprintf(buf, "STREAM\r\n");
-       sock_write(&sock, buf, strlen(buf));
-
-       syslog(LOG_DEBUG, "Waiting for PORT number\n");
-        if (sock_getln(&sock, buf, sizeof buf) < 0) {
-                goto bail;
-        }
-
-        syslog(LOG_DEBUG, "<%s\n", buf);
-       if (strncasecmp(buf, "PORT", 4)!=0) {
-               goto bail;
-       }
-
-        /* Should have received a port number to connect to */
-       extract_token(portbuf, buf, 1, ' ', sizeof portbuf);
-
-       /* Attempt to establish connection to STREAM socket */
-        streamsock = sock_connect(hostbuf, portbuf);
-
-       if (streamsock < 0) {
-               /* If the service isn't running, just pass the mail
-                * through.  Potentially throwing away mails isn't good.
-                */
-               FreeStrBuf(&CCC->SBuf.Buf);
-               FreeStrBuf(&CCC->sMigrateBuf);
-               return(0);
-        }
-       else {
-               syslog(LOG_DEBUG, "STREAM socket connected!\n");
-       }
-
-
-       /* Message */
-       CC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
-       CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, 0);
-       msgtext = CC->redirect_buffer;
-       CC->redirect_buffer = NULL;
-
-       sock_write(&streamsock, SKEY(msgtext));
-       FreeStrBuf(&msgtext);
-
-       /* Close the streamsocket connection; this tells clamd
-        * that we're done.
-        */
-       if (streamsock != -1) {
-               close(streamsock);
-       }
-       
-       /* Response */
-       syslog(LOG_DEBUG, "Awaiting response\n");
-        if (sock_getln(&sock, buf, sizeof buf) < 0) {
-                goto bail;
-        }
-        syslog(LOG_DEBUG, "<%s\n", buf);
-       if (strncasecmp(buf, "stream: OK", 10)!=0) {
-               is_virus = 1;
-       }
-
-       if (is_virus) {
-               CM_SetField(msg, eErrorMsg, HKEY("message rejected by virus filter"));
-       }
-
-bail:  close(sock);
-       FreeStrBuf(&CCC->SBuf.Buf);
-       FreeStrBuf(&CCC->sMigrateBuf);
-       return(is_virus);
-}
-
-
-CTDL_MODULE_INIT(virus)
-{
-       if (!threading)
-       {
-               CtdlRegisterMessageHook(clamd, EVT_SMTPSCAN);
-       }
-       
-       /* return our module name for the log */
-        return "virus";
-}