+++ /dev/null
-/*
- *
- * Completely reworked version of "citmail"
- * This program attempts to act like a local MDA if you're using sendmail or
- * some other non-Citadel MTA. It basically just forwards the message to
- * the Citadel SMTP listener on some non-standard port.
- *
- * $Id$
- *
- */
-
-#include "sysdep.h"
-#include <stdlib.h>
-#include <unistd.h>
-#include <ctype.h>
-#include <stdio.h>
-#include <signal.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-#include <string.h>
-#include <pwd.h>
-#include <errno.h>
-#include <stdarg.h>
-#include "citadel.h"
-#include "citadel_decls.h"
-#include "ipc.h"
-#ifndef HAVE_SNPRINTF
-#include "snprintf.h"
-#endif
-
-#ifndef INADDR_NONE
-#define INADDR_NONE 0xffffffff
-#endif
-
-int serv_sock;
-
-
-void strip_trailing_nonprint(char *buf)
-{
- while ( (strlen(buf)>0) && (!isprint(buf[strlen(buf) - 1])) )
- buf[strlen(buf) - 1] = 0;
-}
-
-
-
-
-
-
-void timeout(int signum)
-{
- exit(signum);
-}
-
-
-int connectsock(char *host, char *service, char *protocol)
-{
- struct hostent *phe;
- struct servent *pse;
- struct protoent *ppe;
- struct sockaddr_in sin;
- int s, type;
-
- memset(&sin, 0, sizeof(sin));
- sin.sin_family = AF_INET;
-
- pse = getservbyname(service, protocol);
- if (pse) {
- sin.sin_port = pse->s_port;
- } else if ((sin.sin_port = htons((u_short) atoi(service))) == 0) {
- fprintf(stderr, "Can't get %s service entry: %s\n",
- service, strerror(errno));
- exit(3);
- }
- phe = gethostbyname(host);
- if (phe) {
- memcpy(&sin.sin_addr, phe->h_addr, phe->h_length);
- } else if ((sin.sin_addr.s_addr = inet_addr(host)) == INADDR_NONE) {
- fprintf(stderr, "Can't get %s host entry: %s\n",
- host, strerror(errno));
- exit(3);
- }
- if ((ppe = getprotobyname(protocol)) == 0) {
- fprintf(stderr, "Can't get %s protocol entry: %s\n",
- protocol, strerror(errno));
- exit(3);
- }
- if (!strcmp(protocol, "udp")) {
- type = SOCK_DGRAM;
- } else {
- type = SOCK_STREAM;
- }
-
- s = socket(PF_INET, type, ppe->p_proto);
- if (s < 0) {
- fprintf(stderr, "Can't create socket: %s\n", strerror(errno));
- exit(3);
- }
- signal(SIGALRM, timeout);
- alarm(30);
-
- if (connect(s, (struct sockaddr *) &sin, sizeof(sin)) < 0) {
- fprintf(stderr, "can't connect to %s.%s: %s\n",
- host, service, strerror(errno));
- exit(3);
- }
- alarm(0);
- signal(SIGALRM, SIG_IGN);
-
- return (s);
-}
-
-/*
- * convert service and host entries into a six-byte numeric in the format
- * expected by a SOCKS v4 server
- */
-void numericize(char *buf, char *host, char *service, char *protocol)
-{
- struct hostent *phe;
- struct servent *pse;
- struct sockaddr_in sin;
-
- memset(&sin, 0, sizeof(sin));
- sin.sin_family = AF_INET;
-
- pse = getservbyname(service, protocol);
- if (pse) {
- sin.sin_port = pse->s_port;
- } else if ((sin.sin_port = htons((u_short) atoi(service))) == 0) {
- fprintf(stderr, "Can't get %s service entry: %s\n",
- service, strerror(errno));
- exit(3);
- }
- buf[1] = (((sin.sin_port) & 0xFF00) >> 8);
- buf[0] = ((sin.sin_port) & 0x00FF);
-
- phe = gethostbyname(host);
- if (phe) {
- memcpy(&sin.sin_addr, phe->h_addr, phe->h_length);
- } else if ((sin.sin_addr.s_addr = inet_addr(host)) == INADDR_NONE) {
- fprintf(stderr, "Can't get %s host entry: %s\n",
- host, strerror(errno));
- exit(3);
- }
- buf[5] = ((sin.sin_addr.s_addr) & 0xFF000000) >> 24;
- buf[4] = ((sin.sin_addr.s_addr) & 0x00FF0000) >> 16;
- buf[3] = ((sin.sin_addr.s_addr) & 0x0000FF00) >> 8;
- buf[2] = ((sin.sin_addr.s_addr) & 0x000000FF);
-}
-
-/*
- * input binary data from socket
- */
-void serv_read(char *buf, int bytes)
-{
- int len, rlen;
-
- len = 0;
- while (len < bytes) {
- rlen = read(serv_sock, &buf[len], bytes - len);
- if (rlen < 1) {
- return;
- }
- len = len + rlen;
- }
-}
-
-
-/*
- * send binary to server
- */
-void serv_write(char *buf, int nbytes)
-{
- 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;
- }
-}
-
-
-
-/*
- * input string from socket - implemented in terms of serv_read()
- */
-void serv_gets(char *buf)
-{
- int i;
-
- /* Read one character at a time.
- */
- for (i = 0;; i++) {
- serv_read(&buf[i], 1);
- if (buf[i] == '\n' || i == 255)
- break;
- }
-
- /* If we got a long line, discard characters until the newline.
- */
- if (i == 255)
- while (buf[i] != '\n')
- serv_read(&buf[i], 1);
-
- /* Strip all trailing nonprintables (crlf)
- */
- buf[i] = 0;
- strip_trailing_nonprint(buf);
-}
-
-
-/*
- * send line to server - implemented in terms of serv_write()
- */
-void serv_puts(char *buf)
-{
- /* printf("< %s\n", buf); */
- serv_write(buf, strlen(buf));
- serv_write("\n", 1);
-}
-
-
-
-
-
-void cleanup(int exitcode) {
- char buf[1024];
-
- serv_puts("QUIT");
- serv_gets(buf);
- fprintf(stderr, "%s\n", buf);
- exit(exitcode);
-}
-
-
-
-int main(int argc, char **argv) {
- char buf[1024];
- char fromline[1024];
- FILE *fp;
-
- fp = tmpfile();
- if (fp == NULL) return(errno);
- sprintf(fromline, "From: someone@somewhere.org");
- while (fgets(buf, 1024, stdin) != NULL) {
- fprintf(fp, "%s", buf);
- if (!strncasecmp(buf, "From:", 5)) strcpy(fromline, buf);
- }
- strip_trailing_nonprint(fromline);
-
- sprintf(buf, "%d", SMTP_PORT);
- serv_sock = connectsock("localhost", buf, "tcp");
- serv_gets(buf);
- fprintf(stderr, "%s\n", buf);
- if (buf[0]!='2') cleanup(1);
-
- serv_puts("HELO localhost");
- serv_gets(buf);
- fprintf(stderr, "%s\n", buf);
- if (buf[0]!='2') cleanup(1);
-
- sprintf(buf, "MAIL %s", fromline);
- serv_puts(buf);
- serv_gets(buf);
- fprintf(stderr, "%s\n", buf);
- if (buf[0]!='2') cleanup(1);
-
- sprintf(buf, "RCPT To: %s", argv[1]);
- serv_puts(buf);
- serv_gets(buf);
- fprintf(stderr, "%s\n", buf);
- if (buf[0]!='2') cleanup(1);
-
- serv_puts("DATA");
- serv_gets(buf);
- fprintf(stderr, "%s\n", buf);
- if (buf[0]!='3') cleanup(1);
-
- rewind(fp);
- while (fgets(buf, sizeof buf, fp) != NULL) {
- strip_trailing_nonprint(buf);
- serv_puts(buf);
- }
- serv_puts(".");
- serv_gets(buf);
- fprintf(stderr, "%s\n", buf);
- if (buf[0]!='2') cleanup(1);
- else cleanup(0);
- return(0);
-}
projects / citadel.git / blobdiff