xref: /csrg-svn/usr.bin/ftp/cmds.c (revision 21737)
1*21737Sdist /*
2*21737Sdist  * Copyright (c) 1983 Regents of the University of California.
3*21737Sdist  * All rights reserved.  The Berkeley software License Agreement
4*21737Sdist  * specifies the terms and conditions for redistribution.
5*21737Sdist  */
6*21737Sdist 
710294Ssam #ifndef lint
8*21737Sdist static char sccsid[] = "@(#)cmds.c	5.1 (Berkeley) 05/31/85";
9*21737Sdist #endif not lint
1010294Ssam 
1110294Ssam /*
1210294Ssam  * FTP User Program -- Command Routines.
1310294Ssam  */
1411353Ssam #include <sys/param.h>
1510294Ssam #include <sys/socket.h>
1610294Ssam 
1712396Ssam #include <arpa/ftp.h>
1812396Ssam 
1910294Ssam #include <signal.h>
2010294Ssam #include <stdio.h>
2110294Ssam #include <errno.h>
2210294Ssam #include <netdb.h>
2310294Ssam 
2410294Ssam #include "ftp_var.h"
2510294Ssam 
2611353Ssam extern	char *globerr;
2711353Ssam extern	char **glob();
2811756Ssam extern	char *home;
2911353Ssam extern	short gflag;
3011756Ssam extern	char *remglob();
3111756Ssam extern	char *getenv();
3211756Ssam extern	char *index();
3311756Ssam extern	char *rindex();
3410294Ssam 
3510294Ssam /*
3610294Ssam  * Connect to peer server and
3710294Ssam  * auto-login, if possible.
3810294Ssam  */
3910294Ssam setpeer(argc, argv)
4010294Ssam 	int argc;
4110294Ssam 	char *argv[];
4210294Ssam {
4310294Ssam 	struct hostent *host, *hookup();
4410294Ssam 	int port;
4510294Ssam 
4610294Ssam 	if (connected) {
4710294Ssam 		printf("Already connected to %s, use disconnect first.\n",
4810294Ssam 			hostname);
4910294Ssam 		return;
5010294Ssam 	}
5110294Ssam 	if (argc < 2) {
5210294Ssam 		strcat(line, " ");
5310294Ssam 		printf("(to) ");
5410294Ssam 		gets(&line[strlen(line)]);
5510294Ssam 		makeargv();
5610294Ssam 		argc = margc;
5710294Ssam 		argv = margv;
5810294Ssam 	}
5910294Ssam 	if (argc > 3) {
6010294Ssam 		printf("usage: %s host-name [port]\n", argv[0]);
6110294Ssam 		return;
6210294Ssam 	}
6310294Ssam 	port = sp->s_port;
6410294Ssam 	if (argc > 2) {
6511218Ssam 		port = atoi(argv[2]);
6610294Ssam 		if (port <= 0) {
6711218Ssam 			printf("%s: bad port number-- %s\n", argv[1], argv[2]);
6811218Ssam 			printf ("usage: %s host-name [port]\n", argv[0]);
6910294Ssam 			return;
7010294Ssam 		}
7110294Ssam 		port = htons(port);
7210294Ssam 	}
7310294Ssam 	host = hookup(argv[1], port);
7410294Ssam 	if (host) {
7510294Ssam 		connected = 1;
7610294Ssam 		if (autologin)
7710294Ssam 			login(host);
7810294Ssam 	}
7910294Ssam }
8010294Ssam 
8110294Ssam struct	types {
8210294Ssam 	char	*t_name;
8310294Ssam 	char	*t_mode;
8410294Ssam 	int	t_type;
8511218Ssam 	char	*t_arg;
8610294Ssam } types[] = {
8711218Ssam 	{ "ascii",	"A",	TYPE_A,	0 },
8811218Ssam 	{ "binary",	"I",	TYPE_I,	0 },
8911218Ssam 	{ "image",	"I",	TYPE_I,	0 },
9011218Ssam 	{ "ebcdic",	"E",	TYPE_E,	0 },
9111218Ssam 	{ "tenex",	"L",	TYPE_L,	bytename },
9210294Ssam 	0
9310294Ssam };
9410294Ssam 
9510294Ssam /*
9610294Ssam  * Set transfer type.
9710294Ssam  */
9810294Ssam settype(argc, argv)
9910294Ssam 	char *argv[];
10010294Ssam {
10110294Ssam 	register struct types *p;
10211218Ssam 	int comret;
10310294Ssam 
10410294Ssam 	if (argc > 2) {
10510294Ssam 		char *sep;
10610294Ssam 
10710294Ssam 		printf("usage: %s [", argv[0]);
10810294Ssam 		sep = " ";
10910294Ssam 		for (p = types; p->t_name; p++) {
11010294Ssam 			printf("%s%s", sep, p->t_name);
11110294Ssam 			if (*sep == ' ')
11210294Ssam 				sep = " | ";
11310294Ssam 		}
11410294Ssam 		printf(" ]\n");
11510294Ssam 		return;
11610294Ssam 	}
11710294Ssam 	if (argc < 2) {
11810294Ssam 		printf("Using %s mode to transfer files.\n", typename);
11910294Ssam 		return;
12010294Ssam 	}
12110294Ssam 	for (p = types; p->t_name; p++)
12210294Ssam 		if (strcmp(argv[1], p->t_name) == 0)
12310294Ssam 			break;
12410294Ssam 	if (p->t_name == 0) {
12510294Ssam 		printf("%s: unknown mode\n", argv[1]);
12610294Ssam 		return;
12710294Ssam 	}
12811218Ssam 	if ((p->t_arg != NULL) && (*(p->t_arg) != '\0'))
12911218Ssam 		comret = command ("TYPE %s %s", p->t_mode, p->t_arg);
13011218Ssam 	else
13111218Ssam 		comret = command("TYPE %s", p->t_mode);
13211218Ssam 	if (comret == COMPLETE) {
13310294Ssam 		strcpy(typename, p->t_name);
13410294Ssam 		type = p->t_type;
13510294Ssam 	}
13610294Ssam }
13710294Ssam 
13810294Ssam /*
13910294Ssam  * Set binary transfer type.
14010294Ssam  */
14110294Ssam /*VARARGS*/
14210294Ssam setbinary()
14310294Ssam {
14410294Ssam 
14510294Ssam 	call(settype, "type", "binary", 0);
14610294Ssam }
14710294Ssam 
14810294Ssam /*
14910294Ssam  * Set ascii transfer type.
15010294Ssam  */
15110294Ssam /*VARARGS*/
15210294Ssam setascii()
15310294Ssam {
15410294Ssam 
15510294Ssam 	call(settype, "type", "ascii", 0);
15610294Ssam }
15710294Ssam 
15810294Ssam /*
15910294Ssam  * Set tenex transfer type.
16010294Ssam  */
16110294Ssam /*VARARGS*/
16210294Ssam settenex()
16310294Ssam {
16410294Ssam 
16510294Ssam 	call(settype, "type", "tenex", 0);
16610294Ssam }
16710294Ssam 
16810294Ssam /*
16910294Ssam  * Set ebcdic transfer type.
17010294Ssam  */
17110294Ssam /*VARARGS*/
17210294Ssam setebcdic()
17310294Ssam {
17410294Ssam 
17510294Ssam 	call(settype, "type", "ebcdic", 0);
17610294Ssam }
17710294Ssam 
17810294Ssam /*
17910294Ssam  * Set file transfer mode.
18010294Ssam  */
18110294Ssam setmode(argc, argv)
18210294Ssam 	char *argv[];
18310294Ssam {
18410294Ssam 
18510294Ssam 	printf("We only support %s mode, sorry.\n", modename);
18610294Ssam }
18710294Ssam 
18810294Ssam /*
18910294Ssam  * Set file transfer format.
19010294Ssam  */
19110294Ssam setform(argc, argv)
19210294Ssam 	char *argv[];
19310294Ssam {
19410294Ssam 
19510294Ssam 	printf("We only support %s format, sorry.\n", formname);
19610294Ssam }
19710294Ssam 
19810294Ssam /*
19910294Ssam  * Set file transfer structure.
20010294Ssam  */
20110294Ssam setstruct(argc, argv)
20210294Ssam 	char *argv[];
20310294Ssam {
20410294Ssam 
20510294Ssam 	printf("We only support %s structure, sorry.\n", structname);
20610294Ssam }
20710294Ssam 
20818286Sralph /*
20918286Sralph  * Send a single file.
21018286Sralph  */
21110294Ssam put(argc, argv)
21211756Ssam 	int argc;
21310294Ssam 	char *argv[];
21410294Ssam {
21511650Ssam 	char *cmd;
21611650Ssam 
21710294Ssam 	if (argc == 2)
21810294Ssam 		argc++, argv[2] = argv[1];
21910294Ssam 	if (argc < 2) {
22010294Ssam 		strcat(line, " ");
22110294Ssam 		printf("(local-file) ");
22210294Ssam 		gets(&line[strlen(line)]);
22310294Ssam 		makeargv();
22410294Ssam 		argc = margc;
22510294Ssam 		argv = margv;
22610294Ssam 	}
22710294Ssam 	if (argc < 2) {
22810294Ssam usage:
22910294Ssam 		printf("%s local-file remote-file\n", argv[0]);
23010294Ssam 		return;
23110294Ssam 	}
23210294Ssam 	if (argc < 3) {
23310294Ssam 		strcat(line, " ");
23410294Ssam 		printf("(remote-file) ");
23510294Ssam 		gets(&line[strlen(line)]);
23610294Ssam 		makeargv();
23710294Ssam 		argc = margc;
23810294Ssam 		argv = margv;
23910294Ssam 	}
24010294Ssam 	if (argc < 3)
24110294Ssam 		goto usage;
24211353Ssam 	if (!globulize(&argv[1]))
24311353Ssam 		return;
24411756Ssam 	cmd = (argv[0][0] == 'a') ? "APPE" : "STOR";
24511650Ssam 	sendrequest(cmd, argv[1], argv[2]);
24610294Ssam }
24710294Ssam 
24810294Ssam /*
24911756Ssam  * Send multiple files.
25010294Ssam  */
25111353Ssam mput(argc, argv)
25211353Ssam 	char *argv[];
25311353Ssam {
25413212Ssam 	register int i;
25511353Ssam 
25611650Ssam 	if (argc < 2) {
25711650Ssam 		strcat(line, " ");
25811650Ssam 		printf("(local-files) ");
25911650Ssam 		gets(&line[strlen(line)]);
26011650Ssam 		makeargv();
26111650Ssam 		argc = margc;
26211650Ssam 		argv = margv;
26311353Ssam 	}
26411353Ssam 	if (argc < 2) {
26511353Ssam 		printf("%s local-files\n", argv[0]);
26611353Ssam 		return;
26711353Ssam 	}
26813212Ssam 	for (i = 1; i < argc; i++) {
26913212Ssam 		register char **cpp, **gargs;
27013212Ssam 
27113212Ssam 		if (!doglob) {
27213212Ssam 			if (confirm(argv[0], argv[i]))
27313212Ssam 				sendrequest("STOR", argv[i], argv[i]);
27413212Ssam 			continue;
27513212Ssam 		}
27613212Ssam 		gargs = glob(argv[i]);
27711650Ssam 		if (globerr != NULL) {
27811650Ssam 			printf("%s\n", globerr);
27911650Ssam 			if (gargs)
28011650Ssam 				blkfree(gargs);
28113212Ssam 			continue;
28211353Ssam 		}
28313212Ssam 		for (cpp = gargs; cpp && *cpp != NULL; cpp++)
28413212Ssam 			if (confirm(argv[0], *cpp))
28513212Ssam 				sendrequest("STOR", *cpp, *cpp);
28613212Ssam 		if (gargs != NULL)
28713212Ssam 			blkfree(gargs);
28811353Ssam 	}
28911353Ssam }
29011353Ssam 
29111353Ssam /*
29211353Ssam  * Receive one file.
29311353Ssam  */
29410294Ssam get(argc, argv)
29510294Ssam 	char *argv[];
29610294Ssam {
29710294Ssam 
29810294Ssam 	if (argc == 2)
29910294Ssam 		argc++, argv[2] = argv[1];
30010294Ssam 	if (argc < 2) {
30110294Ssam 		strcat(line, " ");
30210294Ssam 		printf("(remote-file) ");
30310294Ssam 		gets(&line[strlen(line)]);
30410294Ssam 		makeargv();
30510294Ssam 		argc = margc;
30610294Ssam 		argv = margv;
30710294Ssam 	}
30810294Ssam 	if (argc < 2) {
30910294Ssam usage:
31011353Ssam 		printf("%s remote-file [ local-file ]\n", argv[0]);
31110294Ssam 		return;
31210294Ssam 	}
31310294Ssam 	if (argc < 3) {
31410294Ssam 		strcat(line, " ");
31510294Ssam 		printf("(local-file) ");
31610294Ssam 		gets(&line[strlen(line)]);
31710294Ssam 		makeargv();
31810294Ssam 		argc = margc;
31910294Ssam 		argv = margv;
32010294Ssam 	}
32110294Ssam 	if (argc < 3)
32210294Ssam 		goto usage;
32311353Ssam 	if (!globulize(&argv[2]))
32411353Ssam 		return;
32511650Ssam 	recvrequest("RETR", argv[2], argv[1], "w");
32610294Ssam }
32710294Ssam 
32811353Ssam /*
32911353Ssam  * Get multiple files.
33011353Ssam  */
33111353Ssam mget(argc, argv)
33211353Ssam 	char *argv[];
33311353Ssam {
33411756Ssam 	char *cp;
33511353Ssam 
33611353Ssam 	if (argc < 2) {
33711353Ssam 		strcat(line, " ");
33811756Ssam 		printf("(remote-files) ");
33911353Ssam 		gets(&line[strlen(line)]);
34011353Ssam 		makeargv();
34111353Ssam 		argc = margc;
34211353Ssam 		argv = margv;
34311353Ssam 	}
34411353Ssam 	if (argc < 2) {
34511650Ssam 		printf("%s remote-files\n", argv[0]);
34611353Ssam 		return;
34711353Ssam 	}
34811650Ssam 	while ((cp = remglob(argc, argv)) != NULL)
34911650Ssam 		if (confirm(argv[0], cp))
35011650Ssam 			recvrequest("RETR", cp, cp, "w");
35111650Ssam }
35211650Ssam 
35311650Ssam char *
35411650Ssam remglob(argc, argv)
35511650Ssam 	char *argv[];
35611650Ssam {
35711756Ssam 	char temp[16];
35811650Ssam 	static char buf[MAXPATHLEN];
35911650Ssam 	static FILE *ftemp = NULL;
36011650Ssam 	static char **args;
36113212Ssam 	int oldverbose, oldhash;
36211756Ssam 	char *cp, *mode;
36311650Ssam 
36411650Ssam 	if (!doglob) {
36511756Ssam 		if (args == NULL)
36611650Ssam 			args = argv;
36711650Ssam 		if ((cp = *++args) == NULL)
36811650Ssam 			args = NULL;
36911650Ssam 		return (cp);
37011353Ssam 	}
37111650Ssam 	if (ftemp == NULL) {
37211650Ssam 		strcpy(temp, "/tmp/ftpXXXXXX");
37311650Ssam 		mktemp(temp);
37411650Ssam 		oldverbose = verbose, verbose = 0;
37513212Ssam 		oldhash = hash, hash = 0;
37611756Ssam 		for (mode = "w"; *++argv != NULL; mode = "a")
37711756Ssam 			recvrequest ("NLST", temp, *argv, mode);
37813212Ssam 		verbose = oldverbose; hash = oldhash;
37911650Ssam 		ftemp = fopen(temp, "r");
38011650Ssam 		unlink(temp);
38111650Ssam 		if (ftemp == NULL) {
38211650Ssam 			printf("can't find list of remote files, oops\n");
38311756Ssam 			return (NULL);
38411353Ssam 		}
38511353Ssam 	}
38611650Ssam 	if (fgets(buf, sizeof (buf), ftemp) == NULL) {
38711650Ssam 		fclose(ftemp), ftemp = NULL;
38811650Ssam 		return (NULL);
38911353Ssam 	}
39011650Ssam 	if ((cp = index(buf, '\n')) != NULL)
39111650Ssam 		*cp = '\0';
39211650Ssam 	return (buf);
39311353Ssam }
39411353Ssam 
39510294Ssam char *
39610294Ssam onoff(bool)
39710294Ssam 	int bool;
39810294Ssam {
39910294Ssam 
40010294Ssam 	return (bool ? "on" : "off");
40110294Ssam }
40210294Ssam 
40310294Ssam /*
40410294Ssam  * Show status.
40510294Ssam  */
40610294Ssam status(argc, argv)
40710294Ssam 	char *argv[];
40810294Ssam {
40910294Ssam 
41010294Ssam 	if (connected)
41110294Ssam 		printf("Connected to %s.\n", hostname);
41210294Ssam 	else
41310294Ssam 		printf("Not connected.\n");
41410294Ssam 	printf("Mode: %s; Type: %s; Form: %s; Structure: %s\n",
41510294Ssam 		modename, typename, formname, structname);
41611353Ssam 	printf("Verbose: %s; Bell: %s; Prompting: %s; Globbing: %s\n",
41711353Ssam 		onoff(verbose), onoff(bell), onoff(interactive),
41811353Ssam 		onoff(doglob));
41914143Ssam 	printf("Hash mark printing: %s; Use of PORT cmds: %s\n",
42014143Ssam 		onoff(hash), onoff(sendport));
42110294Ssam }
42210294Ssam 
42310294Ssam /*
42410294Ssam  * Set beep on cmd completed mode.
42510294Ssam  */
42610294Ssam /*VARARGS*/
42710294Ssam setbell()
42810294Ssam {
42910294Ssam 
43010294Ssam 	bell = !bell;
43110294Ssam 	printf("Bell mode %s.\n", onoff(bell));
43210294Ssam }
43310294Ssam 
43410294Ssam /*
43510294Ssam  * Turn on packet tracing.
43610294Ssam  */
43710294Ssam /*VARARGS*/
43810294Ssam settrace()
43910294Ssam {
44010294Ssam 
44110294Ssam 	trace = !trace;
44210294Ssam 	printf("Packet tracing %s.\n", onoff(trace));
44310294Ssam }
44410294Ssam 
44510294Ssam /*
44611650Ssam  * Toggle hash mark printing during transfers.
44711650Ssam  */
44811650Ssam /*VARARGS*/
44911650Ssam sethash()
45011650Ssam {
45111650Ssam 
45211650Ssam 	hash = !hash;
45311650Ssam 	printf("Hash mark printing %s", onoff(hash));
45411650Ssam 	if (hash)
45511650Ssam 		printf(" (%d bytes/hash mark)", BUFSIZ);
45611650Ssam 	printf(".\n");
45711650Ssam }
45811650Ssam 
45911650Ssam /*
46010294Ssam  * Turn on printing of server echo's.
46110294Ssam  */
46210294Ssam /*VARARGS*/
46310294Ssam setverbose()
46410294Ssam {
46510294Ssam 
46610294Ssam 	verbose = !verbose;
46710294Ssam 	printf("Verbose mode %s.\n", onoff(verbose));
46810294Ssam }
46910294Ssam 
47010294Ssam /*
47111650Ssam  * Toggle PORT cmd use before each data connection.
47211650Ssam  */
47311650Ssam /*VARARGS*/
47411650Ssam setport()
47511650Ssam {
47611650Ssam 
47711650Ssam 	sendport = !sendport;
47811650Ssam 	printf("Use of PORT cmds %s.\n", onoff(sendport));
47911650Ssam }
48011650Ssam 
48111650Ssam /*
48210294Ssam  * Turn on interactive prompting
48310294Ssam  * during mget, mput, and mdelete.
48410294Ssam  */
48510294Ssam /*VARARGS*/
48610294Ssam setprompt()
48710294Ssam {
48810294Ssam 
48910294Ssam 	interactive = !interactive;
49010294Ssam 	printf("Interactive mode %s.\n", onoff(interactive));
49110294Ssam }
49210294Ssam 
49310294Ssam /*
49411353Ssam  * Toggle metacharacter interpretation
49511353Ssam  * on local file names.
49611353Ssam  */
49711353Ssam /*VARARGS*/
49811353Ssam setglob()
49911353Ssam {
50011353Ssam 
50111353Ssam 	doglob = !doglob;
50211353Ssam 	printf("Globbing %s.\n", onoff(doglob));
50311353Ssam }
50411353Ssam 
50511353Ssam /*
50610294Ssam  * Set debugging mode on/off and/or
50710294Ssam  * set level of debugging.
50810294Ssam  */
50911756Ssam /*VARARGS*/
51010294Ssam setdebug(argc, argv)
51110294Ssam 	char *argv[];
51210294Ssam {
51310294Ssam 	int val;
51410294Ssam 
51510294Ssam 	if (argc > 1) {
51610294Ssam 		val = atoi(argv[1]);
51710294Ssam 		if (val < 0) {
51810294Ssam 			printf("%s: bad debugging value.\n", argv[1]);
51910294Ssam 			return;
52010294Ssam 		}
52110294Ssam 	} else
52210294Ssam 		val = !debug;
52310294Ssam 	debug = val;
52410294Ssam 	if (debug)
52510294Ssam 		options |= SO_DEBUG;
52610294Ssam 	else
52710294Ssam 		options &= ~SO_DEBUG;
52810294Ssam 	printf("Debugging %s (debug=%d).\n", onoff(debug), debug);
52910294Ssam }
53010294Ssam 
53110294Ssam /*
53210294Ssam  * Set current working directory
53310294Ssam  * on remote machine.
53410294Ssam  */
53510294Ssam cd(argc, argv)
53610294Ssam 	char *argv[];
53710294Ssam {
53810294Ssam 
53910294Ssam 	if (argc < 2) {
54010294Ssam 		strcat(line, " ");
54110294Ssam 		printf("(remote-directory) ");
54210294Ssam 		gets(&line[strlen(line)]);
54310294Ssam 		makeargv();
54410294Ssam 		argc = margc;
54510294Ssam 		argv = margv;
54610294Ssam 	}
54710294Ssam 	if (argc < 2) {
54810294Ssam 		printf("%s remote-directory\n", argv[0]);
54910294Ssam 		return;
55010294Ssam 	}
55110294Ssam 	(void) command("CWD %s", argv[1]);
55210294Ssam }
55310294Ssam 
55410294Ssam /*
55510294Ssam  * Set current working directory
55610294Ssam  * on local machine.
55710294Ssam  */
55810294Ssam lcd(argc, argv)
55910294Ssam 	char *argv[];
56010294Ssam {
56111353Ssam 	char buf[MAXPATHLEN];
56210294Ssam 
56311353Ssam 	if (argc < 2)
56411353Ssam 		argc++, argv[1] = home;
56510294Ssam 	if (argc != 2) {
56610294Ssam 		printf("%s local-directory\n", argv[0]);
56710294Ssam 		return;
56810294Ssam 	}
56911353Ssam 	if (!globulize(&argv[1]))
57011353Ssam 		return;
57111353Ssam 	if (chdir(argv[1]) < 0) {
57210294Ssam 		perror(argv[1]);
57311353Ssam 		return;
57411353Ssam 	}
57511353Ssam 	printf("Local directory now %s\n", getwd(buf));
57610294Ssam }
57710294Ssam 
57810294Ssam /*
57910294Ssam  * Delete a single file.
58010294Ssam  */
58110294Ssam delete(argc, argv)
58210294Ssam 	char *argv[];
58310294Ssam {
58410294Ssam 
58510294Ssam 	if (argc < 2) {
58610294Ssam 		strcat(line, " ");
58710294Ssam 		printf("(remote-file) ");
58810294Ssam 		gets(&line[strlen(line)]);
58910294Ssam 		makeargv();
59010294Ssam 		argc = margc;
59110294Ssam 		argv = margv;
59210294Ssam 	}
59310294Ssam 	if (argc < 2) {
59410294Ssam 		printf("%s remote-file\n", argv[0]);
59510294Ssam 		return;
59610294Ssam 	}
59710294Ssam 	(void) command("DELE %s", argv[1]);
59810294Ssam }
59910294Ssam 
60010294Ssam /*
60111650Ssam  * Delete multiple files.
60211650Ssam  */
60311650Ssam mdelete(argc, argv)
60411650Ssam 	char *argv[];
60511650Ssam {
60611650Ssam 	char *cp;
60711650Ssam 
60811650Ssam 	if (argc < 2) {
60911650Ssam 		strcat(line, " ");
61011650Ssam 		printf("(remote-files) ");
61111650Ssam 		gets(&line[strlen(line)]);
61211650Ssam 		makeargv();
61311650Ssam 		argc = margc;
61411650Ssam 		argv = margv;
61511650Ssam 	}
61611650Ssam 	if (argc < 2) {
61711650Ssam 		printf("%s remote-files\n", argv[0]);
61811650Ssam 		return;
61911650Ssam 	}
62011650Ssam 	while ((cp = remglob(argc, argv)) != NULL)
62111650Ssam 		if (confirm(argv[0], cp))
62211650Ssam 			(void) command("DELE %s", cp);
62311650Ssam }
62411756Ssam 
62511650Ssam /*
62610294Ssam  * Rename a remote file.
62710294Ssam  */
62810294Ssam renamefile(argc, argv)
62910294Ssam 	char *argv[];
63010294Ssam {
63110294Ssam 
63210294Ssam 	if (argc < 2) {
63310294Ssam 		strcat(line, " ");
63410294Ssam 		printf("(from-name) ");
63510294Ssam 		gets(&line[strlen(line)]);
63610294Ssam 		makeargv();
63710294Ssam 		argc = margc;
63810294Ssam 		argv = margv;
63910294Ssam 	}
64010294Ssam 	if (argc < 2) {
64110294Ssam usage:
64210294Ssam 		printf("%s from-name to-name\n", argv[0]);
64310294Ssam 		return;
64410294Ssam 	}
64510294Ssam 	if (argc < 3) {
64610294Ssam 		strcat(line, " ");
64710294Ssam 		printf("(to-name) ");
64810294Ssam 		gets(&line[strlen(line)]);
64910294Ssam 		makeargv();
65010294Ssam 		argc = margc;
65110294Ssam 		argv = margv;
65210294Ssam 	}
65310294Ssam 	if (argc < 3)
65410294Ssam 		goto usage;
65510294Ssam 	if (command("RNFR %s", argv[1]) == CONTINUE)
65610294Ssam 		(void) command("RNTO %s", argv[2]);
65710294Ssam }
65810294Ssam 
65910294Ssam /*
66010294Ssam  * Get a directory listing
66110294Ssam  * of remote files.
66210294Ssam  */
66310294Ssam ls(argc, argv)
66410294Ssam 	char *argv[];
66510294Ssam {
66611756Ssam 	char *cmd;
66710294Ssam 
66810294Ssam 	if (argc < 2)
66910294Ssam 		argc++, argv[1] = NULL;
67010294Ssam 	if (argc < 3)
67110294Ssam 		argc++, argv[2] = "-";
67211756Ssam 	if (argc > 3) {
67311756Ssam 		printf("usage: %s remote-directory local-file\n", argv[0]);
67411756Ssam 		return;
67511756Ssam 	}
67610294Ssam 	cmd = argv[0][0] == 'l' ? "NLST" : "LIST";
67711353Ssam 	if (strcmp(argv[2], "-") && !globulize(&argv[2]))
67811353Ssam 		return;
67911756Ssam 	recvrequest(cmd, argv[2], argv[1], "w");
68010294Ssam }
68110294Ssam 
68210294Ssam /*
68311756Ssam  * Get a directory listing
68411756Ssam  * of multiple remote files.
68511756Ssam  */
68611756Ssam mls(argc, argv)
68711756Ssam 	char *argv[];
68811756Ssam {
68913212Ssam 	char *cmd, *mode, *cp, *dest;
69011756Ssam 
69113212Ssam 	if (argc < 2) {
69213212Ssam 		strcat(line, " ");
69313212Ssam 		printf("(remote-files) ");
69413212Ssam 		gets(&line[strlen(line)]);
69513212Ssam 		makeargv();
69613212Ssam 		argc = margc;
69713212Ssam 		argv = margv;
69813212Ssam 	}
69913212Ssam 	if (argc < 3) {
70013212Ssam 		strcat(line, " ");
70113212Ssam 		printf("(local-file) ");
70213212Ssam 		gets(&line[strlen(line)]);
70313212Ssam 		makeargv();
70413212Ssam 		argc = margc;
70513212Ssam 		argv = margv;
70613212Ssam 	}
70713212Ssam 	if (argc < 3) {
70813212Ssam 		printf("%s remote-files local-file\n", argv[0]);
70913212Ssam 		return;
71013212Ssam 	}
71113212Ssam 	dest = argv[argc - 1];
71213212Ssam 	argv[argc - 1] = NULL;
71313212Ssam 	if (strcmp(dest, "-"))
71416324Sralph 		if (!globulize(&dest) || !confirm("local-file", dest))
71513212Ssam 			return;
71611756Ssam 	cmd = argv[0][1] == 'l' ? "NLST" : "LIST";
71713212Ssam 	for (mode = "w"; cp = remglob(argc, argv); mode = "a")
71813212Ssam 		if (confirm(argv[0], cp))
71913212Ssam 			recvrequest(cmd, dest, cp, mode);
72011756Ssam }
72111756Ssam 
72211756Ssam /*
72310294Ssam  * Do a shell escape
72410294Ssam  */
72510294Ssam shell(argc, argv)
72610294Ssam 	char *argv[];
72710294Ssam {
72811756Ssam 	int pid, status, (*old1)(), (*old2)();
72911756Ssam 	char shellnam[40], *shell, *namep;
73011756Ssam 	char **cpp, **gargs;
73110294Ssam 
73211756Ssam 	old1 = signal (SIGINT, SIG_IGN);
73311756Ssam 	old2 = signal (SIGQUIT, SIG_IGN);
73411756Ssam 	if ((pid = fork()) == 0) {
73511756Ssam 		for (pid = 3; pid < 20; pid++)
73611756Ssam 			close(pid);
73711756Ssam 		signal(SIGINT, SIG_DFL);
73811756Ssam 		signal(SIGQUIT, SIG_DFL);
73911756Ssam 		if (argc <= 1) {
74011756Ssam 			shell = getenv("SHELL");
74111756Ssam 			if (shell == NULL)
74211756Ssam 				shell = "/bin/sh";
74311756Ssam 			namep = rindex(shell,'/');
74411756Ssam 			if (namep == NULL)
74511756Ssam 				namep = shell;
74611756Ssam 			strcpy(shellnam,"-");
74711756Ssam 			strcat(shellnam, ++namep);
74811756Ssam 			if (strcmp(namep, "sh") != 0)
74911756Ssam 				shellnam[0] = '+';
75011756Ssam 			if (debug) {
75111756Ssam 				printf ("%s\n", shell);
75211756Ssam 				fflush (stdout);
75311756Ssam 			}
75411756Ssam 			execl(shell, shellnam, 0);
75511756Ssam 			perror(shell);
75611756Ssam 			exit(1);
75711756Ssam 		}
75811756Ssam 		cpp = &argv[1];
75911756Ssam 		if (argc > 2) {
76011756Ssam 			if ((gargs = glob(cpp)) != NULL)
76111756Ssam 				cpp = gargs;
76211756Ssam 			if (globerr != NULL) {
76311756Ssam 				printf("%s\n", globerr);
76411756Ssam 				exit(1);
76511756Ssam 			}
76611756Ssam 		}
76711756Ssam 		if (debug) {
76811756Ssam 			register char **zip = cpp;
76911756Ssam 
77011756Ssam 			printf("%s", *zip);
77111756Ssam 			while (*++zip != NULL)
77211756Ssam 				printf(" %s", *zip);
77311756Ssam 			printf("\n");
77411756Ssam 			fflush(stdout);
77511756Ssam 		}
77611756Ssam 		execvp(argv[1], cpp);
77711756Ssam 		perror(argv[1]);
77811756Ssam 		exit(1);
77911756Ssam 	}
78011756Ssam 	if (pid > 0)
78111756Ssam 		while (wait(&status) != pid)
78211756Ssam 			;
78311756Ssam 	signal(SIGINT, old1);
78411756Ssam 	signal(SIGQUIT, old2);
78511756Ssam 	if (pid == -1)
78611756Ssam 		perror("Try again later");
78711756Ssam 	return (0);
78810294Ssam }
78910294Ssam 
79010294Ssam /*
79110294Ssam  * Send new user information (re-login)
79210294Ssam  */
79310294Ssam user(argc, argv)
79410294Ssam 	int argc;
79510294Ssam 	char **argv;
79610294Ssam {
79710294Ssam 	char acct[80], *getpass();
79810294Ssam 	int n;
79910294Ssam 
80010294Ssam 	if (argc < 2) {
80110294Ssam 		strcat(line, " ");
80210294Ssam 		printf("(username) ");
80310294Ssam 		gets(&line[strlen(line)]);
80410294Ssam 		makeargv();
80510294Ssam 		argc = margc;
80610294Ssam 		argv = margv;
80710294Ssam 	}
80810294Ssam 	if (argc > 4) {
80910294Ssam 		printf("usage: %s username [password] [account]\n", argv[0]);
81011756Ssam 		return (0);
81110294Ssam 	}
81210294Ssam 	n = command("USER %s", argv[1]);
81310294Ssam 	if (n == CONTINUE) {
81410294Ssam 		if (argc < 3 )
81510294Ssam 			argv[2] = getpass("Password: "), argc++;
81610294Ssam 		n = command("PASS %s", argv[2]);
81710294Ssam 	}
81810294Ssam 	if (n == CONTINUE) {
81910294Ssam 		if (argc < 4) {
82010294Ssam 			printf("Account: "); (void) fflush(stdout);
82110294Ssam 			(void) fgets(acct, sizeof(acct) - 1, stdin);
82210294Ssam 			acct[strlen(acct) - 1] = '\0';
82310294Ssam 			argv[3] = acct; argc++;
82410294Ssam 		}
82510294Ssam 		n = command("ACCT %s", acct);
82610294Ssam 	}
82710294Ssam 	if (n != COMPLETE) {
82810294Ssam 		fprintf(stderr, "Login failed.\n");
82910294Ssam 		return (0);
83010294Ssam 	}
83110294Ssam 	return (1);
83210294Ssam }
83310294Ssam 
83410294Ssam /*
83510294Ssam  * Print working directory.
83610294Ssam  */
83710294Ssam /*VARARGS*/
83810294Ssam pwd()
83910294Ssam {
84011756Ssam 
84110294Ssam 	(void) command("XPWD");
84210294Ssam }
84310294Ssam 
84410294Ssam /*
84510294Ssam  * Make a directory.
84610294Ssam  */
84710294Ssam makedir(argc, argv)
84810294Ssam 	char *argv[];
84910294Ssam {
85010294Ssam 
85110294Ssam 	if (argc < 2) {
85210294Ssam 		strcat(line, " ");
85310294Ssam 		printf("(directory-name) ");
85410294Ssam 		gets(&line[strlen(line)]);
85510294Ssam 		makeargv();
85610294Ssam 		argc = margc;
85710294Ssam 		argv = margv;
85810294Ssam 	}
85910294Ssam 	if (argc < 2) {
86010294Ssam 		printf("%s directory-name\n", argv[0]);
86110294Ssam 		return;
86210294Ssam 	}
86310294Ssam 	(void) command("XMKD %s", argv[1]);
86410294Ssam }
86510294Ssam 
86610294Ssam /*
86710294Ssam  * Remove a directory.
86810294Ssam  */
86910294Ssam removedir(argc, argv)
87010294Ssam 	char *argv[];
87110294Ssam {
87210294Ssam 
87310294Ssam 	if (argc < 2) {
87410294Ssam 		strcat(line, " ");
87510294Ssam 		printf("(directory-name) ");
87610294Ssam 		gets(&line[strlen(line)]);
87710294Ssam 		makeargv();
87810294Ssam 		argc = margc;
87910294Ssam 		argv = margv;
88010294Ssam 	}
88110294Ssam 	if (argc < 2) {
88210294Ssam 		printf("%s directory-name\n", argv[0]);
88310294Ssam 		return;
88410294Ssam 	}
88510294Ssam 	(void) command("XRMD %s", argv[1]);
88610294Ssam }
88710294Ssam 
88810294Ssam /*
88910294Ssam  * Send a line, verbatim, to the remote machine.
89010294Ssam  */
89110294Ssam quote(argc, argv)
89210294Ssam 	char *argv[];
89310294Ssam {
89410294Ssam 	int i;
89510294Ssam 	char buf[BUFSIZ];
89610294Ssam 
89710294Ssam 	if (argc < 2) {
89810294Ssam 		strcat(line, " ");
89910294Ssam 		printf("(command line to send) ");
90010294Ssam 		gets(&line[strlen(line)]);
90110294Ssam 		makeargv();
90210294Ssam 		argc = margc;
90310294Ssam 		argv = margv;
90410294Ssam 	}
90510294Ssam 	if (argc < 2) {
90610294Ssam 		printf("usage: %s line-to-send\n", argv[0]);
90710294Ssam 		return;
90810294Ssam 	}
90910294Ssam 	strcpy(buf, argv[1]);
91010294Ssam 	for (i = 2; i < argc; i++) {
91110294Ssam 		strcat(buf, " ");
91210294Ssam 		strcat(buf, argv[i]);
91310294Ssam 	}
91410294Ssam 	(void) command(buf);
91510294Ssam }
91610294Ssam 
91710294Ssam /*
91810294Ssam  * Ask the other side for help.
91910294Ssam  */
92010294Ssam rmthelp(argc, argv)
92110294Ssam 	char *argv[];
92210294Ssam {
92310294Ssam 	int oldverbose = verbose;
92410294Ssam 
92510294Ssam 	verbose = 1;
92610294Ssam 	(void) command(argc == 1 ? "HELP" : "HELP %s", argv[1]);
92710294Ssam 	verbose = oldverbose;
92810294Ssam }
92910294Ssam 
93010294Ssam /*
93110294Ssam  * Terminate session and exit.
93210294Ssam  */
93310294Ssam /*VARARGS*/
93410294Ssam quit()
93510294Ssam {
93610294Ssam 
93718286Sralph 	if (connected)
93818286Sralph 		disconnect();
93910294Ssam 	exit(0);
94010294Ssam }
94110294Ssam 
94210294Ssam /*
94310294Ssam  * Terminate session, but don't exit.
94410294Ssam  */
94510294Ssam disconnect()
94610294Ssam {
94710294Ssam 	extern FILE *cout;
94810294Ssam 	extern int data;
94910294Ssam 
95010294Ssam 	if (!connected)
95110294Ssam 		return;
95210294Ssam 	(void) command("QUIT");
95310294Ssam 	(void) fclose(cout);
95410294Ssam 	cout = NULL;
95510294Ssam 	connected = 0;
95610294Ssam 	data = -1;
95710294Ssam }
95811353Ssam 
95911650Ssam confirm(cmd, file)
96011353Ssam 	char *cmd, *file;
96111353Ssam {
96211353Ssam 	char line[BUFSIZ];
96311353Ssam 
96411353Ssam 	if (!interactive)
96511650Ssam 		return (1);
96611353Ssam 	printf("%s %s? ", cmd, file);
96711353Ssam 	fflush(stdout);
96811353Ssam 	gets(line);
96911650Ssam 	return (*line != 'n' && *line != 'N');
97011353Ssam }
97111353Ssam 
97211353Ssam fatal(msg)
97311353Ssam 	char *msg;
97411353Ssam {
97511353Ssam 
97611353Ssam 	fprintf(stderr, "ftp: %s\n");
97711353Ssam 	exit(1);
97811353Ssam }
97911353Ssam 
98011353Ssam /*
98111353Ssam  * Glob a local file name specification with
98211353Ssam  * the expectation of a single return value.
98311353Ssam  * Can't control multiple values being expanded
98411353Ssam  * from the expression, we return only the first.
98511353Ssam  */
98611353Ssam globulize(cpp)
98711353Ssam 	char **cpp;
98811353Ssam {
98911353Ssam 	char **globbed;
99011353Ssam 
99111353Ssam 	if (!doglob)
99211353Ssam 		return (1);
99311353Ssam 	globbed = glob(*cpp);
99411353Ssam 	if (globerr != NULL) {
99511353Ssam 		printf("%s: %s\n", *cpp, globerr);
99611353Ssam 		if (globbed)
99711353Ssam 			blkfree(globbed);
99811353Ssam 		return (0);
99911353Ssam 	}
100011353Ssam 	if (globbed) {
100111353Ssam 		*cpp = *globbed++;
100211353Ssam 		/* don't waste too much memory */
100311353Ssam 		if (*globbed)
100411353Ssam 			blkfree(globbed);
100511353Ssam 	}
100611353Ssam 	return (1);
100711353Ssam }
1008