xref: /csrg-svn/usr.bin/ftp/cmds.c (revision 12396)
110294Ssam #ifndef lint
2*12396Ssam static char sccsid[] = "@(#)cmds.c	4.6 (Berkeley) 05/11/83";
310294Ssam #endif
410294Ssam 
510294Ssam /*
610294Ssam  * FTP User Program -- Command Routines.
710294Ssam  */
811353Ssam #include <sys/param.h>
910294Ssam #include <sys/socket.h>
1010294Ssam 
11*12396Ssam #include <arpa/ftp.h>
12*12396Ssam 
1310294Ssam #include <signal.h>
1410294Ssam #include <stdio.h>
1510294Ssam #include <errno.h>
1610294Ssam #include <netdb.h>
1711353Ssam #include <stat.h>
1810294Ssam 
1910294Ssam #include "ftp_var.h"
2010294Ssam 
2111353Ssam extern	char *globerr;
2211353Ssam extern	char **glob();
2311756Ssam extern	char *home;
2411353Ssam extern	short gflag;
2511756Ssam extern	char *remglob();
2611756Ssam extern	char *getenv();
2711756Ssam extern	char *index();
2811756Ssam extern	char *rindex();
2910294Ssam 
3010294Ssam /*
3110294Ssam  * Connect to peer server and
3210294Ssam  * auto-login, if possible.
3310294Ssam  */
3410294Ssam setpeer(argc, argv)
3510294Ssam 	int argc;
3610294Ssam 	char *argv[];
3710294Ssam {
3810294Ssam 	struct hostent *host, *hookup();
3910294Ssam 	int port;
4010294Ssam 
4110294Ssam 	if (connected) {
4210294Ssam 		printf("Already connected to %s, use disconnect first.\n",
4310294Ssam 			hostname);
4410294Ssam 		return;
4510294Ssam 	}
4610294Ssam 	if (argc < 2) {
4710294Ssam 		strcat(line, " ");
4810294Ssam 		printf("(to) ");
4910294Ssam 		gets(&line[strlen(line)]);
5010294Ssam 		makeargv();
5110294Ssam 		argc = margc;
5210294Ssam 		argv = margv;
5310294Ssam 	}
5410294Ssam 	if (argc > 3) {
5510294Ssam 		printf("usage: %s host-name [port]\n", argv[0]);
5610294Ssam 		return;
5710294Ssam 	}
5810294Ssam 	port = sp->s_port;
5910294Ssam 	if (argc > 2) {
6011218Ssam 		port = atoi(argv[2]);
6110294Ssam 		if (port <= 0) {
6211218Ssam 			printf("%s: bad port number-- %s\n", argv[1], argv[2]);
6311218Ssam 			printf ("usage: %s host-name [port]\n", argv[0]);
6410294Ssam 			return;
6510294Ssam 		}
6610294Ssam 		port = htons(port);
6710294Ssam 	}
6810294Ssam 	host = hookup(argv[1], port);
6910294Ssam 	if (host) {
7010294Ssam 		connected = 1;
7110294Ssam 		if (autologin)
7210294Ssam 			login(host);
7310294Ssam 	}
7410294Ssam }
7510294Ssam 
7610294Ssam struct	types {
7710294Ssam 	char	*t_name;
7810294Ssam 	char	*t_mode;
7910294Ssam 	int	t_type;
8011218Ssam 	char	*t_arg;
8110294Ssam } types[] = {
8211218Ssam 	{ "ascii",	"A",	TYPE_A,	0 },
8311218Ssam 	{ "binary",	"I",	TYPE_I,	0 },
8411218Ssam 	{ "image",	"I",	TYPE_I,	0 },
8511218Ssam 	{ "ebcdic",	"E",	TYPE_E,	0 },
8611218Ssam 	{ "tenex",	"L",	TYPE_L,	bytename },
8710294Ssam 	0
8810294Ssam };
8910294Ssam 
9010294Ssam /*
9110294Ssam  * Set transfer type.
9210294Ssam  */
9310294Ssam settype(argc, argv)
9410294Ssam 	char *argv[];
9510294Ssam {
9610294Ssam 	register struct types *p;
9711218Ssam 	int comret;
9810294Ssam 
9910294Ssam 	if (argc > 2) {
10010294Ssam 		char *sep;
10110294Ssam 
10210294Ssam 		printf("usage: %s [", argv[0]);
10310294Ssam 		sep = " ";
10410294Ssam 		for (p = types; p->t_name; p++) {
10510294Ssam 			printf("%s%s", sep, p->t_name);
10610294Ssam 			if (*sep == ' ')
10710294Ssam 				sep = " | ";
10810294Ssam 		}
10910294Ssam 		printf(" ]\n");
11010294Ssam 		return;
11110294Ssam 	}
11210294Ssam 	if (argc < 2) {
11310294Ssam 		printf("Using %s mode to transfer files.\n", typename);
11410294Ssam 		return;
11510294Ssam 	}
11610294Ssam 	for (p = types; p->t_name; p++)
11710294Ssam 		if (strcmp(argv[1], p->t_name) == 0)
11810294Ssam 			break;
11910294Ssam 	if (p->t_name == 0) {
12010294Ssam 		printf("%s: unknown mode\n", argv[1]);
12110294Ssam 		return;
12210294Ssam 	}
12311218Ssam 	if ((p->t_arg != NULL) && (*(p->t_arg) != '\0'))
12411218Ssam 		comret = command ("TYPE %s %s", p->t_mode, p->t_arg);
12511218Ssam 	else
12611218Ssam 		comret = command("TYPE %s", p->t_mode);
12711218Ssam 	if (comret == COMPLETE) {
12810294Ssam 		strcpy(typename, p->t_name);
12910294Ssam 		type = p->t_type;
13010294Ssam 	}
13110294Ssam }
13210294Ssam 
13310294Ssam /*
13410294Ssam  * Set binary transfer type.
13510294Ssam  */
13610294Ssam /*VARARGS*/
13710294Ssam setbinary()
13810294Ssam {
13910294Ssam 
14010294Ssam 	call(settype, "type", "binary", 0);
14110294Ssam }
14210294Ssam 
14310294Ssam /*
14410294Ssam  * Set ascii transfer type.
14510294Ssam  */
14610294Ssam /*VARARGS*/
14710294Ssam setascii()
14810294Ssam {
14910294Ssam 
15010294Ssam 	call(settype, "type", "ascii", 0);
15110294Ssam }
15210294Ssam 
15310294Ssam /*
15410294Ssam  * Set tenex transfer type.
15510294Ssam  */
15610294Ssam /*VARARGS*/
15710294Ssam settenex()
15810294Ssam {
15910294Ssam 
16010294Ssam 	call(settype, "type", "tenex", 0);
16110294Ssam }
16210294Ssam 
16310294Ssam /*
16410294Ssam  * Set ebcdic transfer type.
16510294Ssam  */
16610294Ssam /*VARARGS*/
16710294Ssam setebcdic()
16810294Ssam {
16910294Ssam 
17010294Ssam 	call(settype, "type", "ebcdic", 0);
17110294Ssam }
17210294Ssam 
17310294Ssam /*
17410294Ssam  * Set file transfer mode.
17510294Ssam  */
17610294Ssam setmode(argc, argv)
17710294Ssam 	char *argv[];
17810294Ssam {
17910294Ssam 
18010294Ssam 	printf("We only support %s mode, sorry.\n", modename);
18110294Ssam }
18210294Ssam 
18310294Ssam /*
18410294Ssam  * Set file transfer format.
18510294Ssam  */
18610294Ssam setform(argc, argv)
18710294Ssam 	char *argv[];
18810294Ssam {
18910294Ssam 
19010294Ssam 	printf("We only support %s format, sorry.\n", formname);
19110294Ssam }
19210294Ssam 
19310294Ssam /*
19410294Ssam  * Set file transfer structure.
19510294Ssam  */
19610294Ssam setstruct(argc, argv)
19710294Ssam 	char *argv[];
19810294Ssam {
19910294Ssam 
20010294Ssam 	printf("We only support %s structure, sorry.\n", structname);
20110294Ssam }
20210294Ssam 
20310294Ssam put(argc, argv)
20411756Ssam 	int argc;
20510294Ssam 	char *argv[];
20610294Ssam {
20711650Ssam 	char *cmd;
20811650Ssam 
20910294Ssam 	if (argc == 2)
21010294Ssam 		argc++, argv[2] = argv[1];
21110294Ssam 	if (argc < 2) {
21210294Ssam 		strcat(line, " ");
21310294Ssam 		printf("(local-file) ");
21410294Ssam 		gets(&line[strlen(line)]);
21510294Ssam 		makeargv();
21610294Ssam 		argc = margc;
21710294Ssam 		argv = margv;
21810294Ssam 	}
21910294Ssam 	if (argc < 2) {
22010294Ssam usage:
22110294Ssam 		printf("%s local-file remote-file\n", argv[0]);
22210294Ssam 		return;
22310294Ssam 	}
22410294Ssam 	if (argc < 3) {
22510294Ssam 		strcat(line, " ");
22610294Ssam 		printf("(remote-file) ");
22710294Ssam 		gets(&line[strlen(line)]);
22810294Ssam 		makeargv();
22910294Ssam 		argc = margc;
23010294Ssam 		argv = margv;
23110294Ssam 	}
23210294Ssam 	if (argc < 3)
23310294Ssam 		goto usage;
23411353Ssam 	if (!globulize(&argv[1]))
23511353Ssam 		return;
23611756Ssam 	cmd = (argv[0][0] == 'a') ? "APPE" : "STOR";
23711650Ssam 	sendrequest(cmd, argv[1], argv[2]);
23810294Ssam }
23910294Ssam 
24010294Ssam /*
24111756Ssam  * Send multiple files.
24210294Ssam  */
24311353Ssam mput(argc, argv)
24411353Ssam 	char *argv[];
24511353Ssam {
24611650Ssam 	char **cpp, **gargs = NULL;
24711353Ssam 
24811650Ssam 	if (argc < 2) {
24911650Ssam 		strcat(line, " ");
25011650Ssam 		printf("(local-files) ");
25111650Ssam 		gets(&line[strlen(line)]);
25211650Ssam 		makeargv();
25311650Ssam 		argc = margc;
25411650Ssam 		argv = margv;
25511353Ssam 	}
25611353Ssam 	if (argc < 2) {
25711353Ssam 		printf("%s local-files\n", argv[0]);
25811353Ssam 		return;
25911353Ssam 	}
26011650Ssam 	cpp = argv + 1;
26111650Ssam 	if (doglob) {
26211650Ssam 		gargs = glob(cpp);
26311650Ssam 		if (globerr != NULL) {
26411650Ssam 			printf("%s\n", globerr);
26511650Ssam 			if (gargs)
26611650Ssam 				blkfree(gargs);
26711353Ssam 			return;
26811353Ssam 		}
26911353Ssam 	}
27011650Ssam 	if (gargs != NULL)
27111650Ssam 		cpp = gargs;
27211650Ssam 	for (; *cpp != NULL; cpp++)
27311650Ssam 		if (confirm(argv[0], *cpp))
27411650Ssam 			sendrequest("STOR", *cpp, *cpp);
27511650Ssam 	if (gargs != NULL)
27611650Ssam 		blkfree(gargs);
27711353Ssam }
27811353Ssam 
27911353Ssam /*
28011353Ssam  * Receive one file.
28111353Ssam  */
28210294Ssam get(argc, argv)
28310294Ssam 	char *argv[];
28410294Ssam {
28510294Ssam 
28610294Ssam 	if (argc == 2)
28710294Ssam 		argc++, argv[2] = argv[1];
28810294Ssam 	if (argc < 2) {
28910294Ssam 		strcat(line, " ");
29010294Ssam 		printf("(remote-file) ");
29110294Ssam 		gets(&line[strlen(line)]);
29210294Ssam 		makeargv();
29310294Ssam 		argc = margc;
29410294Ssam 		argv = margv;
29510294Ssam 	}
29610294Ssam 	if (argc < 2) {
29710294Ssam usage:
29811353Ssam 		printf("%s remote-file [ local-file ]\n", argv[0]);
29910294Ssam 		return;
30010294Ssam 	}
30110294Ssam 	if (argc < 3) {
30210294Ssam 		strcat(line, " ");
30310294Ssam 		printf("(local-file) ");
30410294Ssam 		gets(&line[strlen(line)]);
30510294Ssam 		makeargv();
30610294Ssam 		argc = margc;
30710294Ssam 		argv = margv;
30810294Ssam 	}
30910294Ssam 	if (argc < 3)
31010294Ssam 		goto usage;
31111353Ssam 	if (!globulize(&argv[2]))
31211353Ssam 		return;
31311650Ssam 	recvrequest("RETR", argv[2], argv[1], "w");
31410294Ssam }
31510294Ssam 
31611353Ssam /*
31711353Ssam  * Get multiple files.
31811353Ssam  */
31911353Ssam mget(argc, argv)
32011353Ssam 	char *argv[];
32111353Ssam {
32211756Ssam 	char *cp;
32311353Ssam 
32411353Ssam 	if (argc < 2) {
32511353Ssam 		strcat(line, " ");
32611756Ssam 		printf("(remote-files) ");
32711353Ssam 		gets(&line[strlen(line)]);
32811353Ssam 		makeargv();
32911353Ssam 		argc = margc;
33011353Ssam 		argv = margv;
33111353Ssam 	}
33211353Ssam 	if (argc < 2) {
33311650Ssam 		printf("%s remote-files\n", argv[0]);
33411353Ssam 		return;
33511353Ssam 	}
33611650Ssam 	while ((cp = remglob(argc, argv)) != NULL)
33711650Ssam 		if (confirm(argv[0], cp))
33811650Ssam 			recvrequest("RETR", cp, cp, "w");
33911650Ssam }
34011650Ssam 
34111650Ssam char *
34211650Ssam remglob(argc, argv)
34311650Ssam 	char *argv[];
34411650Ssam {
34511756Ssam 	char temp[16];
34611650Ssam 	static char buf[MAXPATHLEN];
34711650Ssam 	static FILE *ftemp = NULL;
34811650Ssam 	static char **args;
34911650Ssam 	int oldverbose;
35011756Ssam 	char *cp, *mode;
35111650Ssam 
35211650Ssam 	if (!doglob) {
35311756Ssam 		if (args == NULL)
35411650Ssam 			args = argv;
35511650Ssam 		if ((cp = *++args) == NULL)
35611650Ssam 			args = NULL;
35711650Ssam 		return (cp);
35811353Ssam 	}
35911650Ssam 	if (ftemp == NULL) {
36011650Ssam 		strcpy(temp, "/tmp/ftpXXXXXX");
36111650Ssam 		mktemp(temp);
36211650Ssam 		oldverbose = verbose, verbose = 0;
36311756Ssam 		for (mode = "w"; *++argv != NULL; mode = "a")
36411756Ssam 			recvrequest ("NLST", temp, *argv, mode);
36511650Ssam 		verbose = oldverbose;
36611650Ssam 		ftemp = fopen(temp, "r");
36711650Ssam 		unlink(temp);
36811650Ssam 		if (ftemp == NULL) {
36911650Ssam 			printf("can't find list of remote files, oops\n");
37011756Ssam 			return (NULL);
37111353Ssam 		}
37211353Ssam 	}
37311650Ssam 	if (fgets(buf, sizeof (buf), ftemp) == NULL) {
37411650Ssam 		fclose(ftemp), ftemp = NULL;
37511650Ssam 		return (NULL);
37611353Ssam 	}
37711650Ssam 	if ((cp = index(buf, '\n')) != NULL)
37811650Ssam 		*cp = '\0';
37911650Ssam 	return (buf);
38011353Ssam }
38111353Ssam 
38210294Ssam char *
38310294Ssam onoff(bool)
38410294Ssam 	int bool;
38510294Ssam {
38610294Ssam 
38710294Ssam 	return (bool ? "on" : "off");
38810294Ssam }
38910294Ssam 
39010294Ssam /*
39110294Ssam  * Show status.
39210294Ssam  */
39310294Ssam status(argc, argv)
39410294Ssam 	char *argv[];
39510294Ssam {
39610294Ssam 
39710294Ssam 	if (connected)
39810294Ssam 		printf("Connected to %s.\n", hostname);
39910294Ssam 	else
40010294Ssam 		printf("Not connected.\n");
40110294Ssam 	printf("Mode: %s; Type: %s; Form: %s; Structure: %s\n",
40210294Ssam 		modename, typename, formname, structname);
40311353Ssam 	printf("Verbose: %s; Bell: %s; Prompting: %s; Globbing: %s\n",
40411353Ssam 		onoff(verbose), onoff(bell), onoff(interactive),
40511353Ssam 		onoff(doglob));
40611650Ssam 	printf("Hash mark printing: %s; Use of PORT cmds: %s\n",
40711650Ssam 		onoff(hash), onoff(sendport));
40810294Ssam }
40910294Ssam 
41010294Ssam /*
41110294Ssam  * Set beep on cmd completed mode.
41210294Ssam  */
41310294Ssam /*VARARGS*/
41410294Ssam setbell()
41510294Ssam {
41610294Ssam 
41710294Ssam 	bell = !bell;
41810294Ssam 	printf("Bell mode %s.\n", onoff(bell));
41910294Ssam }
42010294Ssam 
42110294Ssam /*
42210294Ssam  * Turn on packet tracing.
42310294Ssam  */
42410294Ssam /*VARARGS*/
42510294Ssam settrace()
42610294Ssam {
42710294Ssam 
42810294Ssam 	trace = !trace;
42910294Ssam 	printf("Packet tracing %s.\n", onoff(trace));
43010294Ssam }
43110294Ssam 
43210294Ssam /*
43311650Ssam  * Toggle hash mark printing during transfers.
43411650Ssam  */
43511650Ssam /*VARARGS*/
43611650Ssam sethash()
43711650Ssam {
43811650Ssam 
43911650Ssam 	hash = !hash;
44011650Ssam 	printf("Hash mark printing %s", onoff(hash));
44111650Ssam 	if (hash)
44211650Ssam 		printf(" (%d bytes/hash mark)", BUFSIZ);
44311650Ssam 	printf(".\n");
44411650Ssam }
44511650Ssam 
44611650Ssam /*
44710294Ssam  * Turn on printing of server echo's.
44810294Ssam  */
44910294Ssam /*VARARGS*/
45010294Ssam setverbose()
45110294Ssam {
45210294Ssam 
45310294Ssam 	verbose = !verbose;
45410294Ssam 	printf("Verbose mode %s.\n", onoff(verbose));
45510294Ssam }
45610294Ssam 
45710294Ssam /*
45811650Ssam  * Toggle PORT cmd use before each data connection.
45911650Ssam  */
46011650Ssam /*VARARGS*/
46111650Ssam setport()
46211650Ssam {
46311650Ssam 
46411650Ssam 	sendport = !sendport;
46511650Ssam 	printf("Use of PORT cmds %s.\n", onoff(sendport));
46611650Ssam }
46711650Ssam 
46811650Ssam /*
46910294Ssam  * Turn on interactive prompting
47010294Ssam  * during mget, mput, and mdelete.
47110294Ssam  */
47210294Ssam /*VARARGS*/
47310294Ssam setprompt()
47410294Ssam {
47510294Ssam 
47610294Ssam 	interactive = !interactive;
47710294Ssam 	printf("Interactive mode %s.\n", onoff(interactive));
47810294Ssam }
47910294Ssam 
48010294Ssam /*
48111353Ssam  * Toggle metacharacter interpretation
48211353Ssam  * on local file names.
48311353Ssam  */
48411353Ssam /*VARARGS*/
48511353Ssam setglob()
48611353Ssam {
48711353Ssam 
48811353Ssam 	doglob = !doglob;
48911353Ssam 	printf("Globbing %s.\n", onoff(doglob));
49011353Ssam }
49111353Ssam 
49211353Ssam /*
49310294Ssam  * Set debugging mode on/off and/or
49410294Ssam  * set level of debugging.
49510294Ssam  */
49611756Ssam /*VARARGS*/
49710294Ssam setdebug(argc, argv)
49810294Ssam 	char *argv[];
49910294Ssam {
50010294Ssam 	int val;
50110294Ssam 
50210294Ssam 	if (argc > 1) {
50310294Ssam 		val = atoi(argv[1]);
50410294Ssam 		if (val < 0) {
50510294Ssam 			printf("%s: bad debugging value.\n", argv[1]);
50610294Ssam 			return;
50710294Ssam 		}
50810294Ssam 	} else
50910294Ssam 		val = !debug;
51010294Ssam 	debug = val;
51110294Ssam 	if (debug)
51210294Ssam 		options |= SO_DEBUG;
51310294Ssam 	else
51410294Ssam 		options &= ~SO_DEBUG;
51510294Ssam 	printf("Debugging %s (debug=%d).\n", onoff(debug), debug);
51610294Ssam }
51710294Ssam 
51810294Ssam /*
51910294Ssam  * Set current working directory
52010294Ssam  * on remote machine.
52110294Ssam  */
52210294Ssam cd(argc, argv)
52310294Ssam 	char *argv[];
52410294Ssam {
52510294Ssam 
52610294Ssam 	if (argc < 2) {
52710294Ssam 		strcat(line, " ");
52810294Ssam 		printf("(remote-directory) ");
52910294Ssam 		gets(&line[strlen(line)]);
53010294Ssam 		makeargv();
53110294Ssam 		argc = margc;
53210294Ssam 		argv = margv;
53310294Ssam 	}
53410294Ssam 	if (argc < 2) {
53510294Ssam 		printf("%s remote-directory\n", argv[0]);
53610294Ssam 		return;
53710294Ssam 	}
53810294Ssam 	(void) command("CWD %s", argv[1]);
53910294Ssam }
54010294Ssam 
54110294Ssam /*
54210294Ssam  * Set current working directory
54310294Ssam  * on local machine.
54410294Ssam  */
54510294Ssam lcd(argc, argv)
54610294Ssam 	char *argv[];
54710294Ssam {
54811353Ssam 	char buf[MAXPATHLEN];
54910294Ssam 
55011353Ssam 	if (argc < 2)
55111353Ssam 		argc++, argv[1] = home;
55210294Ssam 	if (argc != 2) {
55310294Ssam 		printf("%s local-directory\n", argv[0]);
55410294Ssam 		return;
55510294Ssam 	}
55611353Ssam 	if (!globulize(&argv[1]))
55711353Ssam 		return;
55811353Ssam 	if (chdir(argv[1]) < 0) {
55910294Ssam 		perror(argv[1]);
56011353Ssam 		return;
56111353Ssam 	}
56211353Ssam 	printf("Local directory now %s\n", getwd(buf));
56310294Ssam }
56410294Ssam 
56510294Ssam /*
56610294Ssam  * Delete a single file.
56710294Ssam  */
56810294Ssam delete(argc, argv)
56910294Ssam 	char *argv[];
57010294Ssam {
57110294Ssam 
57210294Ssam 	if (argc < 2) {
57310294Ssam 		strcat(line, " ");
57410294Ssam 		printf("(remote-file) ");
57510294Ssam 		gets(&line[strlen(line)]);
57610294Ssam 		makeargv();
57710294Ssam 		argc = margc;
57810294Ssam 		argv = margv;
57910294Ssam 	}
58010294Ssam 	if (argc < 2) {
58110294Ssam 		printf("%s remote-file\n", argv[0]);
58210294Ssam 		return;
58310294Ssam 	}
58410294Ssam 	(void) command("DELE %s", argv[1]);
58510294Ssam }
58610294Ssam 
58710294Ssam /*
58811650Ssam  * Delete multiple files.
58911650Ssam  */
59011650Ssam mdelete(argc, argv)
59111650Ssam 	char *argv[];
59211650Ssam {
59311650Ssam 	char *cp;
59411650Ssam 
59511650Ssam 	if (argc < 2) {
59611650Ssam 		strcat(line, " ");
59711650Ssam 		printf("(remote-files) ");
59811650Ssam 		gets(&line[strlen(line)]);
59911650Ssam 		makeargv();
60011650Ssam 		argc = margc;
60111650Ssam 		argv = margv;
60211650Ssam 	}
60311650Ssam 	if (argc < 2) {
60411650Ssam 		printf("%s remote-files\n", argv[0]);
60511650Ssam 		return;
60611650Ssam 	}
60711650Ssam 	while ((cp = remglob(argc, argv)) != NULL)
60811650Ssam 		if (confirm(argv[0], cp))
60911650Ssam 			(void) command("DELE %s", cp);
61011650Ssam }
61111756Ssam 
61211650Ssam /*
61310294Ssam  * Rename a remote file.
61410294Ssam  */
61510294Ssam renamefile(argc, argv)
61610294Ssam 	char *argv[];
61710294Ssam {
61810294Ssam 
61910294Ssam 	if (argc < 2) {
62010294Ssam 		strcat(line, " ");
62110294Ssam 		printf("(from-name) ");
62210294Ssam 		gets(&line[strlen(line)]);
62310294Ssam 		makeargv();
62410294Ssam 		argc = margc;
62510294Ssam 		argv = margv;
62610294Ssam 	}
62710294Ssam 	if (argc < 2) {
62810294Ssam usage:
62910294Ssam 		printf("%s from-name to-name\n", argv[0]);
63010294Ssam 		return;
63110294Ssam 	}
63210294Ssam 	if (argc < 3) {
63310294Ssam 		strcat(line, " ");
63410294Ssam 		printf("(to-name) ");
63510294Ssam 		gets(&line[strlen(line)]);
63610294Ssam 		makeargv();
63710294Ssam 		argc = margc;
63810294Ssam 		argv = margv;
63910294Ssam 	}
64010294Ssam 	if (argc < 3)
64110294Ssam 		goto usage;
64210294Ssam 	if (command("RNFR %s", argv[1]) == CONTINUE)
64310294Ssam 		(void) command("RNTO %s", argv[2]);
64410294Ssam }
64510294Ssam 
64610294Ssam /*
64710294Ssam  * Get a directory listing
64810294Ssam  * of remote files.
64910294Ssam  */
65010294Ssam ls(argc, argv)
65110294Ssam 	char *argv[];
65210294Ssam {
65311756Ssam 	char *cmd;
65410294Ssam 
65510294Ssam 	if (argc < 2)
65610294Ssam 		argc++, argv[1] = NULL;
65710294Ssam 	if (argc < 3)
65810294Ssam 		argc++, argv[2] = "-";
65911756Ssam 	if (argc > 3) {
66011756Ssam 		printf("usage: %s remote-directory local-file\n", argv[0]);
66111756Ssam 		return;
66211756Ssam 	}
66310294Ssam 	cmd = argv[0][0] == 'l' ? "NLST" : "LIST";
66411353Ssam 	if (strcmp(argv[2], "-") && !globulize(&argv[2]))
66511353Ssam 		return;
66611756Ssam 	recvrequest(cmd, argv[2], argv[1], "w");
66710294Ssam }
66810294Ssam 
66910294Ssam /*
67011756Ssam  * Get a directory listing
67111756Ssam  * of multiple remote files.
67211756Ssam  */
67311756Ssam mls(argc, argv)
67411756Ssam 	char *argv[];
67511756Ssam {
67611756Ssam 	char *cmd, *mode;
67711756Ssam 	int i, dest;
67811756Ssam 
67911756Ssam 	if (argc < 2)
68011756Ssam 		argc++, argv[1] = NULL;
68111756Ssam 	if (argc < 3)
68211756Ssam 		argc++, argv[2] = "-";
68311756Ssam 	dest = argc - 1;
68411756Ssam 	cmd = argv[0][1] == 'l' ? "NLST" : "LIST";
68511756Ssam 	if (strcmp(argv[dest], "-") != 0)
68611756Ssam 		if (globulize(&argv[dest]) && confirm("local-file", argv[dest]))
68711756Ssam 			return;
68811756Ssam 	for (i = 1, mode = "w"; i < dest; i++, mode = "a")
68911756Ssam 		recvrequest(cmd, argv[dest], argv[i], mode);
69011756Ssam }
69111756Ssam 
69211756Ssam /*
69310294Ssam  * Do a shell escape
69410294Ssam  */
69510294Ssam shell(argc, argv)
69610294Ssam 	char *argv[];
69710294Ssam {
69811756Ssam 	int pid, status, (*old1)(), (*old2)();
69911756Ssam 	char shellnam[40], *shell, *namep;
70011756Ssam 	char **cpp, **gargs;
70110294Ssam 
70211756Ssam 	old1 = signal (SIGINT, SIG_IGN);
70311756Ssam 	old2 = signal (SIGQUIT, SIG_IGN);
70411756Ssam 	if ((pid = fork()) == 0) {
70511756Ssam 		for (pid = 3; pid < 20; pid++)
70611756Ssam 			close(pid);
70711756Ssam 		signal(SIGINT, SIG_DFL);
70811756Ssam 		signal(SIGQUIT, SIG_DFL);
70911756Ssam 		if (argc <= 1) {
71011756Ssam 			shell = getenv("SHELL");
71111756Ssam 			if (shell == NULL)
71211756Ssam 				shell = "/bin/sh";
71311756Ssam 			namep = rindex(shell,'/');
71411756Ssam 			if (namep == NULL)
71511756Ssam 				namep = shell;
71611756Ssam 			strcpy(shellnam,"-");
71711756Ssam 			strcat(shellnam, ++namep);
71811756Ssam 			if (strcmp(namep, "sh") != 0)
71911756Ssam 				shellnam[0] = '+';
72011756Ssam 			if (debug) {
72111756Ssam 				printf ("%s\n", shell);
72211756Ssam 				fflush (stdout);
72311756Ssam 			}
72411756Ssam 			execl(shell, shellnam, 0);
72511756Ssam 			perror(shell);
72611756Ssam 			exit(1);
72711756Ssam 		}
72811756Ssam 		cpp = &argv[1];
72911756Ssam 		if (argc > 2) {
73011756Ssam 			if ((gargs = glob(cpp)) != NULL)
73111756Ssam 				cpp = gargs;
73211756Ssam 			if (globerr != NULL) {
73311756Ssam 				printf("%s\n", globerr);
73411756Ssam 				exit(1);
73511756Ssam 			}
73611756Ssam 		}
73711756Ssam 		if (debug) {
73811756Ssam 			register char **zip = cpp;
73911756Ssam 
74011756Ssam 			printf("%s", *zip);
74111756Ssam 			while (*++zip != NULL)
74211756Ssam 				printf(" %s", *zip);
74311756Ssam 			printf("\n");
74411756Ssam 			fflush(stdout);
74511756Ssam 		}
74611756Ssam 		execvp(argv[1], cpp);
74711756Ssam 		perror(argv[1]);
74811756Ssam 		exit(1);
74911756Ssam 	}
75011756Ssam 	if (pid > 0)
75111756Ssam 		while (wait(&status) != pid)
75211756Ssam 			;
75311756Ssam 	signal(SIGINT, old1);
75411756Ssam 	signal(SIGQUIT, old2);
75511756Ssam 	if (pid == -1)
75611756Ssam 		perror("Try again later");
75711756Ssam 	return (0);
75810294Ssam }
75910294Ssam 
76010294Ssam /*
76110294Ssam  * Send new user information (re-login)
76210294Ssam  */
76310294Ssam user(argc, argv)
76410294Ssam 	int argc;
76510294Ssam 	char **argv;
76610294Ssam {
76710294Ssam 	char acct[80], *getpass();
76810294Ssam 	int n;
76910294Ssam 
77010294Ssam 	if (argc < 2) {
77110294Ssam 		strcat(line, " ");
77210294Ssam 		printf("(username) ");
77310294Ssam 		gets(&line[strlen(line)]);
77410294Ssam 		makeargv();
77510294Ssam 		argc = margc;
77610294Ssam 		argv = margv;
77710294Ssam 	}
77810294Ssam 	if (argc > 4) {
77910294Ssam 		printf("usage: %s username [password] [account]\n", argv[0]);
78011756Ssam 		return (0);
78110294Ssam 	}
78210294Ssam 	n = command("USER %s", argv[1]);
78310294Ssam 	if (n == CONTINUE) {
78410294Ssam 		if (argc < 3 )
78510294Ssam 			argv[2] = getpass("Password: "), argc++;
78610294Ssam 		n = command("PASS %s", argv[2]);
78710294Ssam 	}
78810294Ssam 	if (n == CONTINUE) {
78910294Ssam 		if (argc < 4) {
79010294Ssam 			printf("Account: "); (void) fflush(stdout);
79110294Ssam 			(void) fgets(acct, sizeof(acct) - 1, stdin);
79210294Ssam 			acct[strlen(acct) - 1] = '\0';
79310294Ssam 			argv[3] = acct; argc++;
79410294Ssam 		}
79510294Ssam 		n = command("ACCT %s", acct);
79610294Ssam 	}
79710294Ssam 	if (n != COMPLETE) {
79810294Ssam 		fprintf(stderr, "Login failed.\n");
79910294Ssam 		return (0);
80010294Ssam 	}
80110294Ssam 	return (1);
80210294Ssam }
80310294Ssam 
80410294Ssam /*
80510294Ssam  * Print working directory.
80610294Ssam  */
80710294Ssam /*VARARGS*/
80810294Ssam pwd()
80910294Ssam {
81011756Ssam 
81110294Ssam 	(void) command("XPWD");
81210294Ssam }
81310294Ssam 
81410294Ssam /*
81510294Ssam  * Make a directory.
81610294Ssam  */
81710294Ssam makedir(argc, argv)
81810294Ssam 	char *argv[];
81910294Ssam {
82010294Ssam 
82110294Ssam 	if (argc < 2) {
82210294Ssam 		strcat(line, " ");
82310294Ssam 		printf("(directory-name) ");
82410294Ssam 		gets(&line[strlen(line)]);
82510294Ssam 		makeargv();
82610294Ssam 		argc = margc;
82710294Ssam 		argv = margv;
82810294Ssam 	}
82910294Ssam 	if (argc < 2) {
83010294Ssam 		printf("%s directory-name\n", argv[0]);
83110294Ssam 		return;
83210294Ssam 	}
83310294Ssam 	(void) command("XMKD %s", argv[1]);
83410294Ssam }
83510294Ssam 
83610294Ssam /*
83710294Ssam  * Remove a directory.
83810294Ssam  */
83910294Ssam removedir(argc, argv)
84010294Ssam 	char *argv[];
84110294Ssam {
84210294Ssam 
84310294Ssam 	if (argc < 2) {
84410294Ssam 		strcat(line, " ");
84510294Ssam 		printf("(directory-name) ");
84610294Ssam 		gets(&line[strlen(line)]);
84710294Ssam 		makeargv();
84810294Ssam 		argc = margc;
84910294Ssam 		argv = margv;
85010294Ssam 	}
85110294Ssam 	if (argc < 2) {
85210294Ssam 		printf("%s directory-name\n", argv[0]);
85310294Ssam 		return;
85410294Ssam 	}
85510294Ssam 	(void) command("XRMD %s", argv[1]);
85610294Ssam }
85710294Ssam 
85810294Ssam /*
85910294Ssam  * Send a line, verbatim, to the remote machine.
86010294Ssam  */
86110294Ssam quote(argc, argv)
86210294Ssam 	char *argv[];
86310294Ssam {
86410294Ssam 	int i;
86510294Ssam 	char buf[BUFSIZ];
86610294Ssam 
86710294Ssam 	if (argc < 2) {
86810294Ssam 		strcat(line, " ");
86910294Ssam 		printf("(command line to send) ");
87010294Ssam 		gets(&line[strlen(line)]);
87110294Ssam 		makeargv();
87210294Ssam 		argc = margc;
87310294Ssam 		argv = margv;
87410294Ssam 	}
87510294Ssam 	if (argc < 2) {
87610294Ssam 		printf("usage: %s line-to-send\n", argv[0]);
87710294Ssam 		return;
87810294Ssam 	}
87910294Ssam 	strcpy(buf, argv[1]);
88010294Ssam 	for (i = 2; i < argc; i++) {
88110294Ssam 		strcat(buf, " ");
88210294Ssam 		strcat(buf, argv[i]);
88310294Ssam 	}
88410294Ssam 	(void) command(buf);
88510294Ssam }
88610294Ssam 
88710294Ssam /*
88810294Ssam  * Ask the other side for help.
88910294Ssam  */
89010294Ssam rmthelp(argc, argv)
89110294Ssam 	char *argv[];
89210294Ssam {
89310294Ssam 	int oldverbose = verbose;
89410294Ssam 
89510294Ssam 	verbose = 1;
89610294Ssam 	(void) command(argc == 1 ? "HELP" : "HELP %s", argv[1]);
89710294Ssam 	verbose = oldverbose;
89810294Ssam }
89910294Ssam 
90010294Ssam /*
90110294Ssam  * Terminate session and exit.
90210294Ssam  */
90310294Ssam /*VARARGS*/
90410294Ssam quit()
90510294Ssam {
90610294Ssam 
90710294Ssam 	disconnect();
90810294Ssam 	exit(0);
90910294Ssam }
91010294Ssam 
91110294Ssam /*
91210294Ssam  * Terminate session, but don't exit.
91310294Ssam  */
91410294Ssam disconnect()
91510294Ssam {
91610294Ssam 	extern FILE *cout;
91710294Ssam 	extern int data;
91810294Ssam 
91910294Ssam 	if (!connected)
92010294Ssam 		return;
92110294Ssam 	(void) command("QUIT");
92210294Ssam 	(void) fclose(cout);
92310294Ssam 	cout = NULL;
92410294Ssam 	connected = 0;
92510294Ssam 	data = -1;
92610294Ssam }
92711353Ssam 
92811650Ssam confirm(cmd, file)
92911353Ssam 	char *cmd, *file;
93011353Ssam {
93111353Ssam 	char line[BUFSIZ];
93211353Ssam 
93311353Ssam 	if (!interactive)
93411650Ssam 		return (1);
93511353Ssam 	printf("%s %s? ", cmd, file);
93611353Ssam 	fflush(stdout);
93711353Ssam 	gets(line);
93811650Ssam 	return (*line != 'n' && *line != 'N');
93911353Ssam }
94011353Ssam 
94111353Ssam fatal(msg)
94211353Ssam 	char *msg;
94311353Ssam {
94411353Ssam 
94511353Ssam 	fprintf(stderr, "ftp: %s\n");
94611353Ssam 	exit(1);
94711353Ssam }
94811353Ssam 
94911353Ssam /*
95011353Ssam  * Glob a local file name specification with
95111353Ssam  * the expectation of a single return value.
95211353Ssam  * Can't control multiple values being expanded
95311353Ssam  * from the expression, we return only the first.
95411353Ssam  */
95511353Ssam globulize(cpp)
95611353Ssam 	char **cpp;
95711353Ssam {
95811353Ssam 	char **globbed;
95911353Ssam 
96011353Ssam 	if (!doglob)
96111353Ssam 		return (1);
96211353Ssam 	globbed = glob(*cpp);
96311353Ssam 	if (globerr != NULL) {
96411353Ssam 		printf("%s: %s\n", *cpp, globerr);
96511353Ssam 		if (globbed)
96611353Ssam 			blkfree(globbed);
96711353Ssam 		return (0);
96811353Ssam 	}
96911353Ssam 	if (globbed) {
97011353Ssam 		*cpp = *globbed++;
97111353Ssam 		/* don't waste too much memory */
97211353Ssam 		if (*globbed)
97311353Ssam 			blkfree(globbed);
97411353Ssam 	}
97511353Ssam 	return (1);
97611353Ssam }
977