X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=citadel%2Fcitmail.c;h=2f1bdc2a12ad78f3dd6bf7d5e2314ae63c624e40;hb=4eb74b26380dfde31c86c685f0589e0c653aebf0;hp=aefd43b165d859fc1356bebaf9dacf0de133b87c;hpb=35dbe83dcc3a9d188ddee9a2c79483dd690239fb;p=citadel.git diff --git a/citadel/citmail.c b/citadel/citmail.c index aefd43b16..2f1bdc2a1 100644 --- a/citadel/citmail.c +++ b/citadel/citmail.c @@ -1,615 +1,340 @@ /* - * citmail.c v4.2 * $Id$ * - * This program may be used as a local mail delivery agent, which will allow - * all Citadel users to receive Internet e-mail. To enable this functionality, - * you must tell sendmail, smail, or whatever mailer you are using, that this - * program is your local mail delivery agent. This program is a direct - * replacement for lmail, deliver, or whatever. + * This program attempts to act like a local MDA if you're using sendmail or + * some other non-Citadel MTA. It basically just contacts the Citadel LMTP + * listener on a unix domain socket and transmits the message. * - * Usage: + * Copyright (c) 1987-2009 by the citadel.org team * - * citmail - Deliver a message - * citmail -t - Address test mode (will not deliver) + * This program is free 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 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 */ #include "sysdep.h" #include #include -#include -#include #include +#include +#include +#include +#include +#include +#include #include -#include #include #include -#include +#include #include +#include #include "citadel.h" -#include "config.h" -#include "internetmail.h" - -#define LOCAL 0 -#define REMOTE 1 -#define UUCP 2 -#define CCITADEL 3 - -#undef tolower -#define tolower(x) isupper(x) ? (x+'a'-'A') : x - -char *monthdesc[] = { "Jan","Feb","Mar","Apr","May","Jun", - "Jul","Aug","Sep","Oct","Nov","Dec" }; - -char ALIASES[128]; -char CIT86NET[128]; -char SENDMAIL[128]; -char FALLBACK[128]; -char GW_DOMAIN[128]; -char TABLEFILE[128]; -char OUTGOING_FQDN[128]; -int RUN_NETPROC = 1; +#ifndef HAVE_SNPRINTF +#include "snprintf.h" +#endif +#include "citadel_dirs.h" +int serv_sock; +int debug = 0; -long conv_date(char *sdbuf) +void strip_trailing_nonprint(char *buf) { - int a,b,cpos,tend,tval; - time_t now; - struct tm *tmbuf; - char dbuf[128]; - - strcpy(dbuf,sdbuf); - time(&now); - tmbuf = (struct tm *)localtime(&now); - - /* get rid of + or - timezone mods */ - for (a=0; a=0; --a) - if ((dbuf[a]==':')&&(atoi(&dbuf[a-1])!=0)) cpos=a; - if (cpos>=0) { - cpos = cpos - 2; - tend = strlen(dbuf); - for (a=tend; a>=cpos; --a) if (dbuf[a]==' ') tend=a; - - tmbuf->tm_hour = atoi(&dbuf[cpos]); - tmbuf->tm_min = atoi(&dbuf[cpos+3]); - tmbuf->tm_sec = atoi(&dbuf[cpos+6]); - - do { - strcpy(&dbuf[cpos],&dbuf[cpos+1]); - } while ((dbuf[cpos]!=32)&&(dbuf[cpos]!=0)); - } - - /* next try to extract a month */ - - tval = (-1); - for (a=0; a= 0) { - tmbuf->tm_mon = tval; - strcpy(&dbuf[cpos],&dbuf[cpos+3]); - } - - /* now the year */ - - for (a=0; a=1900) && (dbuf[a]!=32)) { - tmbuf->tm_year = atoi(&dbuf[a]) - 1900; - strcpy(&dbuf[a],&dbuf[a+4]); - } - - /* whatever's left is the mday (hopefully) */ - - for (a=0; a=1)&&(atoi(&dbuf[a])<=31) - && ( (a==0)||(dbuf[a-1]==' ') ) ) { - tmbuf->tm_mday = atoi(&dbuf[a]); - strcpy(&dbuf[a],&dbuf[a+2]); - } - - return((long)mktime(tmbuf)); - } + while ( (!IsEmptyStr(buf)) && (!isprint(buf[strlen(buf) - 1])) ) + buf[strlen(buf) - 1] = 0; +} -#ifndef HAVE_STRERROR -/* - * replacement strerror() for systems that don't have it - */ -char *strerror(int e) +void timeout(int signum) { - static char buf[32]; + exit(signum); +} - snprintf(buf,sizeof buf,"errno = %d",e); - return(buf); - } -#endif -int haschar(char *st, int ch) +int uds_connectsock(char *sockpath) { - int a,b; - b=0; - for (a=0; a0) && (buf[0]==32) ) strcpy(buf,&buf[1]); - while (buf[strlen(buf)-1] == 32) buf[strlen(buf)-1] = 0; - } + return s; +} /* - * Check to see if a given FQDN really maps to a Citadel network node + * input binary data from socket */ -void host_alias(char host[]) { - - int a; - - /* What name is the local host known by? */ - /* if (!strcasecmp(host, config.c_fqdn)) { */ - if (IsHostLocal(host)) { - strcpy(host, config.c_nodename); - return; - } +void serv_read(char *buf, int bytes) +{ + int len, rlen; - /* Other hosts in the gateway domain? */ - for (a=0; a */ - strcpy(name,rfc822); - for (a=0; a 0) && (name[a]!='>') ); - strcpy(&name[a],&name[a+1]); - } - - /* strip anything to the left of a bang */ - while ( (strlen(name)>0) && (haschar(name,'!')>0) ) - strcpy(name,&name[1]); - - /* and anything to the right of a @ or % */ - for (a=0; a 0) && (name[0]!='(') ) { - strcpy(&name[0],&name[1]); - } - strcpy(&name[0],&name[1]); - for (a=0; a 0) && (name[0]!=34) ) { - strcpy(&name[0],&name[1]); - } - strcpy(&name[0],&name[1]); - for (a=0; a 0) && (user[a]!=')') ); - strcpy(&user[a],&user[a+1]); - } - - /* if there's a set of angle brackets, strip it down to that */ - if ( (haschar(user,'<') == 1) && (haschar(user,'>') == 1) ) { - while ( (strlen(user) > 0) && (user[0]!='<') ) { - strcpy(&user[0],&user[1]); - } - strcpy(&user[0],&user[1]); - for (a=0; a') user[a]=0; + int bytes_written = 0; + int retval; + while (bytes_written < nbytes) { + retval = write(serv_sock, &buf[bytes_written], + nbytes - bytes_written); + if (retval < 1) { + return; } + bytes_written = bytes_written + retval; + } +} - /* strip anything to the left of a bang */ - while ( (strlen(user)>0) && (haschar(user,'!')>0) ) - strcpy(user,&user[1]); - /* and anything to the right of a @ or % */ - for (a=0; a 0) && (node[a]!=')') ); - strcpy(&node[a],&node[a+1]); - } + /* Strip all trailing nonprintables (crlf) + */ + buf[i] = 0; + strip_trailing_nonprint(buf); + if (debug) fprintf(stderr, "> %s\n", buf); +} - /* if there's a set of angle brackets, strip it down to that */ - if ( (haschar(node,'<') == 1) && (haschar(node,'>') == 1) ) { - while ( (strlen(node) > 0) && (node[0]!='<') ) { - strcpy(&node[0],&node[1]); - } - strcpy(&node[0],&node[1]); - for (a=0; a') node[a]=0; - } - /* strip anything to the left of a @ */ - while ( (strlen(node)>0) && (haschar(node,'@')>0) ) - strcpy(node,&node[1]); +/* + * send line to server - implemented in terms of serv_write() + */ +void serv_puts(char *buf) +{ + if (debug) fprintf(stderr, "< %s\n", buf); + serv_write(buf, strlen(buf)); + serv_write("\n", 1); +} - /* strip anything to the left of a % */ - while ( (strlen(node)>0) && (haschar(node,'%')>0) ) - strcpy(node,&node[1]); - /* reduce multiple system bang paths to node!user */ - while ( (strlen(node)>0) && (haschar(node,'!')>1) ) - strcpy(node,&node[1]); - /* now get rid of the user portion of a node!user string */ - for (a=0; apw_name, hostname); + while (fgets(buf, 1024, stdin) != NULL) { + if ( ( (buf[0] == 13) || (buf[0] == 10)) && (in_body == 0) ) { + in_body = 1; + if (from_header == 0) { + fprintf(fp, "%s%s", fromline, buf); } - - /* chop the system name out, so we're left with a user */ - while (haschar(recp,'!')) strcpy(recp,&recp[1]); } - - /* Convert underscores to spaces */ - for (a=0; a 0) { - fprintf(temp, "O%s%c", targetroom, 0); - } - else { - fprintf(temp, "O%s%c", MAILROOM, 0); - } - - fprintf(temp,"N%s%c", nodebuf, 0); - fprintf(temp,"H%s%c", frombuf, 0); - if (dtype==REMOTE) { - fprintf(temp,"D%s%c", destsys, 0); - } - - if (strlen(recp) > 0) { - fprintf(temp,"R%s%c", recp, 0); - } - - /* Subject and text */ - if (strlen(subject)>0) { - fprintf(temp,"U%s%c", subject, 0); - } - putc('M',temp); - if (format_type == 4) { - fprintf(temp, "Content-type: %s\n", content_type); - if (extra_headers != NULL) - fprintf(temp, "%s", extra_headers); - fprintf(temp, "\n"); - } - if (extra_headers != NULL) free(extra_headers); - if (strcmp(buf, ".")) loopcopy(temp, stdin); - putc(0,temp); - fclose(temp); - } - - -void do_uudecode(char *target) -{ - static char buf[1024]; - FILE *fp; - - snprintf(buf,sizeof buf,"cd %s; uudecode",target); - - fp=popen(buf,"w"); - if (fp==NULL) return; - while (fgets(buf,1024,stdin)!=NULL) { - fprintf(fp,"%s",buf); - } - pclose(fp); - - } - -int alias(char *name) -{ - FILE *fp; - int a; - char abuf[256]; - - fp=fopen(ALIASES,"r"); - if (fp==NULL) { - syslog(LOG_ERR,"cannot open %s: %s",ALIASES,strerror(errno)); - return(2); - } - while (fgets(abuf,256,fp)!=NULL) { - strip_trailing_whitespace(abuf); - for (a=0; a