/*
-** Sendmail
-** Copyright (c) 1983 Eric P. Allman
-** Berkeley, California
-**
-** Copyright (c) 1983 Regents of the University of California.
-** All rights reserved. The Berkeley software License Agreement
-** specifies the terms and conditions for redistribution.
-*/
+ * Copyright (c) 1983 Eric P. Allman
+ * Copyright (c) 1988 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley. The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
#ifndef lint
char copyright[] =
-"@(#) Copyright (c) 1980 Regents of the University of California.\n\
+"@(#) Copyright (c) 1988 Regents of the University of California.\n\
All rights reserved.\n";
-#endif not lint
+#endif /* not lint */
#ifndef lint
-static char SccsId[] = "@(#)mconnect.c 5.2 (Berkeley) 7/13/85";
-#endif not lint
+static char sccsid[] = "@(#)mconnect.c 5.4 (Berkeley) 6/29/88";
+#endif /* not lint */
-# include <stdio.h>
-# include <signal.h>
-# include <ctype.h>
-# include <sgtty.h>
-# include <sys/types.h>
-# include <sys/socket.h>
-# include <netinet/in.h>
-# include <netdb.h>
+#include <stdio.h>
+#include <signal.h>
+#include <ctype.h>
+#include <sgtty.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
-struct sockaddr_in SendmailAddress;
-struct sgttyb TtyBuf;
+static struct sgttyb TtyBuf;
main(argc, argv)
int argc;
char **argv;
{
+ extern char *optarg;
+ extern int optind;
+ register FILE *f;
register int s;
- char *host;
- register int i;
- int pid;
struct servent *sp;
- int raw = 0;
- char buf[1000];
- register char *p;
- extern char *index();
- register FILE *f;
- extern u_long inet_addr();
- extern finis();
+ struct sockaddr_in SendmailAddress;
+ int ch, raw;
+ char *host, buf[1000], *index();
+ u_long inet_addr();
+ int finis();
+
+ raw = 0;
+ (void)gtty(0, &TtyBuf);
+ (void)signal(SIGINT, finis);
- (void) gtty(0, &TtyBuf);
- (void) signal(SIGINT, finis);
- s = socket(AF_INET, SOCK_STREAM, 0, 0);
- if (s < 0)
- {
+ if ((s = socket(AF_INET, SOCK_STREAM, 0, 0)) < 0) {
perror("socket");
exit(-1);
}
if (sp != NULL)
SendmailAddress.sin_port = sp->s_port;
- while (--argc > 0)
- {
- register char *p = *++argv;
-
- if (*p == '-')
- {
- switch (*++p)
- {
- case 'h': /* host */
- break;
-
- case 'p': /* port */
- SendmailAddress.sin_port = htons(atoi(*++argv));
- argc--;
- break;
-
- case 'r': /* raw connection */
- raw = 1;
- TtyBuf.sg_flags &= ~CRMOD;
- stty(0, &TtyBuf);
- TtyBuf.sg_flags |= CRMOD;
- break;
- }
+ while ((ch = getopt(argc, argv, "hp:r")) != EOF)
+ switch((char)ch) {
+ case 'h': /* host */
+ break;
+ case 'p': /* port */
+ SendmailAddress.sin_port = htons(atoi(optarg));
+ break;
+ case 'r': /* raw connection */
+ raw = 1;
+ TtyBuf.sg_flags &= ~CRMOD;
+ stty(0, &TtyBuf);
+ TtyBuf.sg_flags |= CRMOD;
+ break;
+ case '?':
+ default:
+ fputs("usage: mconnect [-hr] [-p port] [host]\n", stderr);
+ exit(-1);
}
- else if (host == NULL)
- host = p;
- }
- if (host == NULL)
- host = "localhost";
+ argc -= optind;
+ argv += optind;
+
+ host = argc ? *argv : "localhost";
if (isdigit(*host))
SendmailAddress.sin_addr.s_addr = inet_addr(host);
- else
- {
+ else {
register struct hostent *hp = gethostbyname(host);
- if (hp == NULL)
- {
+ if (hp == NULL) {
fprintf(stderr, "mconnect: unknown host %s\r\n", host);
finis();
}
bcopy(hp->h_addr, &SendmailAddress.sin_addr, hp->h_length);
}
SendmailAddress.sin_family = AF_INET;
- printf("connecting to host %s (0x%x), port 0x%x\r\n", host,
+ printf("connecting to host %s (0x%lx), port 0x%x\r\n", host,
SendmailAddress.sin_addr.s_addr, SendmailAddress.sin_port);
- if (connect(s, &SendmailAddress, sizeof SendmailAddress, 0) < 0)
- {
+ if (connect(s, &SendmailAddress, sizeof(SendmailAddress), 0) < 0) {
perror("connect");
exit(-1);
}
/* good connection, fork both sides */
- printf("connection open\n");
- pid = fork();
- if (pid < 0)
- {
+ puts("connection open");
+ switch(fork()) {
+ case -1:
perror("fork");
exit(-1);
- }
- if (pid == 0)
- {
- /* child -- standard input to sendmail */
+ case 0: { /* child -- standard input to sendmail */
int c;
f = fdopen(s, "w");
- while ((c = fgetc(stdin)) >= 0)
- {
+ while ((c = fgetc(stdin)) >= 0) {
if (!raw && c == '\n')
fputc('\r', f);
fputc(c, f);
if (c == '\n')
- fflush(f);
+ (void)fflush(f);
}
}
- else
- {
- /* parent -- sendmail to standard output */
+ default: /* parent -- sendmail to standard output */
f = fdopen(s, "r");
- while (fgets(buf, sizeof buf, f) != NULL)
- {
+ while (fgets(buf, sizeof(buf), f) != NULL) {
fputs(buf, stdout);
- fflush(stdout);
+ (void)fflush(stdout);
}
}
finis();