xref: /csrg-svn/usr.bin/ftp/cmds.c (revision 18286)
110294Ssam #ifndef lint
2*18286Sralph static char sccsid[] = "@(#)cmds.c	4.11 (Berkeley) 03/11/85";
310294Ssam #endif
410294Ssam 
510294Ssam /*
610294Ssam  * FTP User Program -- Command Routines.
710294Ssam  */
811353Ssam #include <sys/param.h>
910294Ssam #include <sys/socket.h>
1010294Ssam 
1112396Ssam #include <arpa/ftp.h>
1212396Ssam 
1310294Ssam #include <signal.h>
1410294Ssam #include <stdio.h>
1510294Ssam #include <errno.h>
1610294Ssam #include <netdb.h>
1710294Ssam 
1810294Ssam #include "ftp_var.h"
1910294Ssam 
2011353Ssam extern	char *globerr;
2111353Ssam extern	char **glob();
2211756Ssam extern	char *home;
2311353Ssam extern	short gflag;
2411756Ssam extern	char *remglob();
2511756Ssam extern	char *getenv();
2611756Ssam extern	char *index();
2711756Ssam extern	char *rindex();
2810294Ssam 
2910294Ssam /*
3010294Ssam  * Connect to peer server and
3110294Ssam  * auto-login, if possible.
3210294Ssam  */
3310294Ssam setpeer(argc, argv)
3410294Ssam 	int argc;
3510294Ssam 	char *argv[];
3610294Ssam {
3710294Ssam 	struct hostent *host, *hookup();
3810294Ssam 	int port;
3910294Ssam 
4010294Ssam 	if (connected) {
4110294Ssam 		printf("Already connected to %s, use disconnect first.\n",
4210294Ssam 			hostname);
4310294Ssam 		return;
4410294Ssam 	}
4510294Ssam 	if (argc < 2) {
4610294Ssam 		strcat(line, " ");
4710294Ssam 		printf("(to) ");
4810294Ssam 		gets(&line[strlen(line)]);
4910294Ssam 		makeargv();
5010294Ssam 		argc = margc;
5110294Ssam 		argv = margv;
5210294Ssam 	}
5310294Ssam 	if (argc > 3) {
5410294Ssam 		printf("usage: %s host-name [port]\n", argv[0]);
5510294Ssam 		return;
5610294Ssam 	}
5710294Ssam 	port = sp->s_port;
5810294Ssam 	if (argc > 2) {
5911218Ssam 		port = atoi(argv[2]);
6010294Ssam 		if (port <= 0) {
6111218Ssam 			printf("%s: bad port number-- %s\n", argv[1], argv[2]);
6211218Ssam 			printf ("usage: %s host-name [port]\n", argv[0]);
6310294Ssam 			return;
6410294Ssam 		}
6510294Ssam 		port = htons(port);
6610294Ssam 	}
6710294Ssam 	host = hookup(argv[1], port);
6810294Ssam 	if (host) {
6910294Ssam 		connected = 1;
7010294Ssam 		if (autologin)
7110294Ssam 			login(host);
7210294Ssam 	}
7310294Ssam }
7410294Ssam 
7510294Ssam struct	types {
7610294Ssam 	char	*t_name;
7710294Ssam 	char	*t_mode;
7810294Ssam 	int	t_type;
7911218Ssam 	char	*t_arg;
8010294Ssam } types[] = {
8111218Ssam 	{ "ascii",	"A",	TYPE_A,	0 },
8211218Ssam 	{ "binary",	"I",	TYPE_I,	0 },
8311218Ssam 	{ "image",	"I",	TYPE_I,	0 },
8411218Ssam 	{ "ebcdic",	"E",	TYPE_E,	0 },
8511218Ssam 	{ "tenex",	"L",	TYPE_L,	bytename },
8610294Ssam 	0
8710294Ssam };
8810294Ssam 
8910294Ssam /*
9010294Ssam  * Set transfer type.
9110294Ssam  */
9210294Ssam settype(argc, argv)
9310294Ssam 	char *argv[];
9410294Ssam {
9510294Ssam 	register struct types *p;
9611218Ssam 	int comret;
9710294Ssam 
9810294Ssam 	if (argc > 2) {
9910294Ssam 		char *sep;
10010294Ssam 
10110294Ssam 		printf("usage: %s [", argv[0]);
10210294Ssam 		sep = " ";
10310294Ssam 		for (p = types; p->t_name; p++) {
10410294Ssam 			printf("%s%s", sep, p->t_name);
10510294Ssam 			if (*sep == ' ')
10610294Ssam 				sep = " | ";
10710294Ssam 		}
10810294Ssam 		printf(" ]\n");
10910294Ssam 		return;
11010294Ssam 	}
11110294Ssam 	if (argc < 2) {
11210294Ssam 		printf("Using %s mode to transfer files.\n", typename);
11310294Ssam 		return;
11410294Ssam 	}
11510294Ssam 	for (p = types; p->t_name; p++)
11610294Ssam 		if (strcmp(argv[1], p->t_name) == 0)
11710294Ssam 			break;
11810294Ssam 	if (p->t_name == 0) {
11910294Ssam 		printf("%s: unknown mode\n", argv[1]);
12010294Ssam 		return;
12110294Ssam 	}
12211218Ssam 	if ((p->t_arg != NULL) && (*(p->t_arg) != '\0'))
12311218Ssam 		comret = command ("TYPE %s %s", p->t_mode, p->t_arg);
12411218Ssam 	else
12511218Ssam 		comret = command("TYPE %s", p->t_mode);
12611218Ssam 	if (comret == COMPLETE) {
12710294Ssam 		strcpy(typename, p->t_name);
12810294Ssam 		type = p->t_type;
12910294Ssam 	}
13010294Ssam }
13110294Ssam 
13210294Ssam /*
13310294Ssam  * Set binary transfer type.
13410294Ssam  */
13510294Ssam /*VARARGS*/
13610294Ssam setbinary()
13710294Ssam {
13810294Ssam 
13910294Ssam 	call(settype, "type", "binary", 0);
14010294Ssam }
14110294Ssam 
14210294Ssam /*
14310294Ssam  * Set ascii transfer type.
14410294Ssam  */
14510294Ssam /*VARARGS*/
14610294Ssam setascii()
14710294Ssam {
14810294Ssam 
14910294Ssam 	call(settype, "type", "ascii", 0);
15010294Ssam }
15110294Ssam 
15210294Ssam /*
15310294Ssam  * Set tenex transfer type.
15410294Ssam  */
15510294Ssam /*VARARGS*/
15610294Ssam settenex()
15710294Ssam {
15810294Ssam 
15910294Ssam 	call(settype, "type", "tenex", 0);
16010294Ssam }
16110294Ssam 
16210294Ssam /*
16310294Ssam  * Set ebcdic transfer type.
16410294Ssam  */
16510294Ssam /*VARARGS*/
16610294Ssam setebcdic()
16710294Ssam {
16810294Ssam 
16910294Ssam 	call(settype, "type", "ebcdic", 0);
17010294Ssam }
17110294Ssam 
17210294Ssam /*
17310294Ssam  * Set file transfer mode.
17410294Ssam  */
17510294Ssam setmode(argc, argv)
17610294Ssam 	char *argv[];
17710294Ssam {
17810294Ssam 
17910294Ssam 	printf("We only support %s mode, sorry.\n", modename);
18010294Ssam }
18110294Ssam 
18210294Ssam /*
18310294Ssam  * Set file transfer format.
18410294Ssam  */
18510294Ssam setform(argc, argv)
18610294Ssam 	char *argv[];
18710294Ssam {
18810294Ssam 
18910294Ssam 	printf("We only support %s format, sorry.\n", formname);
19010294Ssam }
19110294Ssam 
19210294Ssam /*
19310294Ssam  * Set file transfer structure.
19410294Ssam  */
19510294Ssam setstruct(argc, argv)
19610294Ssam 	char *argv[];
19710294Ssam {
19810294Ssam 
19910294Ssam 	printf("We only support %s structure, sorry.\n", structname);
20010294Ssam }
20110294Ssam 
202*18286Sralph /*
203*18286Sralph  * Send a single file.
204*18286Sralph  */
20510294Ssam put(argc, argv)
20611756Ssam 	int argc;
20710294Ssam 	char *argv[];
20810294Ssam {
20911650Ssam 	char *cmd;
21011650Ssam 
21110294Ssam 	if (argc == 2)
21210294Ssam 		argc++, argv[2] = argv[1];
21310294Ssam 	if (argc < 2) {
21410294Ssam 		strcat(line, " ");
21510294Ssam 		printf("(local-file) ");
21610294Ssam 		gets(&line[strlen(line)]);
21710294Ssam 		makeargv();
21810294Ssam 		argc = margc;
21910294Ssam 		argv = margv;
22010294Ssam 	}
22110294Ssam 	if (argc < 2) {
22210294Ssam usage:
22310294Ssam 		printf("%s local-file remote-file\n", argv[0]);
22410294Ssam 		return;
22510294Ssam 	}
22610294Ssam 	if (argc < 3) {
22710294Ssam 		strcat(line, " ");
22810294Ssam 		printf("(remote-file) ");
22910294Ssam 		gets(&line[strlen(line)]);
23010294Ssam 		makeargv();
23110294Ssam 		argc = margc;
23210294Ssam 		argv = margv;
23310294Ssam 	}
23410294Ssam 	if (argc < 3)
23510294Ssam 		goto usage;
23611353Ssam 	if (!globulize(&argv[1]))
23711353Ssam 		return;
23811756Ssam 	cmd = (argv[0][0] == 'a') ? "APPE" : "STOR";
23911650Ssam 	sendrequest(cmd, argv[1], argv[2]);
24010294Ssam }
24110294Ssam 
24210294Ssam /*
24311756Ssam  * Send multiple files.
24410294Ssam  */
24511353Ssam mput(argc, argv)
24611353Ssam 	char *argv[];
24711353Ssam {
24813212Ssam 	register int i;
24911353Ssam 
25011650Ssam 	if (argc < 2) {
25111650Ssam 		strcat(line, " ");
25211650Ssam 		printf("(local-files) ");
25311650Ssam 		gets(&line[strlen(line)]);
25411650Ssam 		makeargv();
25511650Ssam 		argc = margc;
25611650Ssam 		argv = margv;
25711353Ssam 	}
25811353Ssam 	if (argc < 2) {
25911353Ssam 		printf("%s local-files\n", argv[0]);
26011353Ssam 		return;
26111353Ssam 	}
26213212Ssam 	for (i = 1; i < argc; i++) {
26313212Ssam 		register char **cpp, **gargs;
26413212Ssam 
26513212Ssam 		if (!doglob) {
26613212Ssam 			if (confirm(argv[0], argv[i]))
26713212Ssam 				sendrequest("STOR", argv[i], argv[i]);
26813212Ssam 			continue;
26913212Ssam 		}
27013212Ssam 		gargs = glob(argv[i]);
27111650Ssam 		if (globerr != NULL) {
27211650Ssam 			printf("%s\n", globerr);
27311650Ssam 			if (gargs)
27411650Ssam 				blkfree(gargs);
27513212Ssam 			continue;
27611353Ssam 		}
27713212Ssam 		for (cpp = gargs; cpp && *cpp != NULL; cpp++)
27813212Ssam 			if (confirm(argv[0], *cpp))
27913212Ssam 				sendrequest("STOR", *cpp, *cpp);
28013212Ssam 		if (gargs != NULL)
28113212Ssam 			blkfree(gargs);
28211353Ssam 	}
28311353Ssam }
28411353Ssam 
28511353Ssam /*
28611353Ssam  * Receive one file.
28711353Ssam  */
28810294Ssam get(argc, argv)
28910294Ssam 	char *argv[];
29010294Ssam {
29110294Ssam 
29210294Ssam 	if (argc == 2)
29310294Ssam 		argc++, argv[2] = argv[1];
29410294Ssam 	if (argc < 2) {
29510294Ssam 		strcat(line, " ");
29610294Ssam 		printf("(remote-file) ");
29710294Ssam 		gets(&line[strlen(line)]);
29810294Ssam 		makeargv();
29910294Ssam 		argc = margc;
30010294Ssam 		argv = margv;
30110294Ssam 	}
30210294Ssam 	if (argc < 2) {
30310294Ssam usage:
30411353Ssam 		printf("%s remote-file [ local-file ]\n", argv[0]);
30510294Ssam 		return;
30610294Ssam 	}
30710294Ssam 	if (argc < 3) {
30810294Ssam 		strcat(line, " ");
30910294Ssam 		printf("(local-file) ");
31010294Ssam 		gets(&line[strlen(line)]);
31110294Ssam 		makeargv();
31210294Ssam 		argc = margc;
31310294Ssam 		argv = margv;
31410294Ssam 	}
31510294Ssam 	if (argc < 3)
31610294Ssam 		goto usage;
31711353Ssam 	if (!globulize(&argv[2]))
31811353Ssam 		return;
31911650Ssam 	recvrequest("RETR", argv[2], argv[1], "w");
32010294Ssam }
32110294Ssam 
32211353Ssam /*
32311353Ssam  * Get multiple files.
32411353Ssam  */
32511353Ssam mget(argc, argv)
32611353Ssam 	char *argv[];
32711353Ssam {
32811756Ssam 	char *cp;
32911353Ssam 
33011353Ssam 	if (argc < 2) {
33111353Ssam 		strcat(line, " ");
33211756Ssam 		printf("(remote-files) ");
33311353Ssam 		gets(&line[strlen(line)]);
33411353Ssam 		makeargv();
33511353Ssam 		argc = margc;
33611353Ssam 		argv = margv;
33711353Ssam 	}
33811353Ssam 	if (argc < 2) {
33911650Ssam 		printf("%s remote-files\n", argv[0]);
34011353Ssam 		return;
34111353Ssam 	}
34211650Ssam 	while ((cp = remglob(argc, argv)) != NULL)
34311650Ssam 		if (confirm(argv[0], cp))
34411650Ssam 			recvrequest("RETR", cp, cp, "w");
34511650Ssam }
34611650Ssam 
34711650Ssam char *
34811650Ssam remglob(argc, argv)
34911650Ssam 	char *argv[];
35011650Ssam {
35111756Ssam 	char temp[16];
35211650Ssam 	static char buf[MAXPATHLEN];
35311650Ssam 	static FILE *ftemp = NULL;
35411650Ssam 	static char **args;
35513212Ssam 	int oldverbose, oldhash;
35611756Ssam 	char *cp, *mode;
35711650Ssam 
35811650Ssam 	if (!doglob) {
35911756Ssam 		if (args == NULL)
36011650Ssam 			args = argv;
36111650Ssam 		if ((cp = *++args) == NULL)
36211650Ssam 			args = NULL;
36311650Ssam 		return (cp);
36411353Ssam 	}
36511650Ssam 	if (ftemp == NULL) {
36611650Ssam 		strcpy(temp, "/tmp/ftpXXXXXX");
36711650Ssam 		mktemp(temp);
36811650Ssam 		oldverbose = verbose, verbose = 0;
36913212Ssam 		oldhash = hash, hash = 0;
37011756Ssam 		for (mode = "w"; *++argv != NULL; mode = "a")
37111756Ssam 			recvrequest ("NLST", temp, *argv, mode);
37213212Ssam 		verbose = oldverbose; hash = oldhash;
37311650Ssam 		ftemp = fopen(temp, "r");
37411650Ssam 		unlink(temp);
37511650Ssam 		if (ftemp == NULL) {
37611650Ssam 			printf("can't find list of remote files, oops\n");
37711756Ssam 			return (NULL);
37811353Ssam 		}
37911353Ssam 	}
38011650Ssam 	if (fgets(buf, sizeof (buf), ftemp) == NULL) {
38111650Ssam 		fclose(ftemp), ftemp = NULL;
38211650Ssam 		return (NULL);
38311353Ssam 	}
38411650Ssam 	if ((cp = index(buf, '\n')) != NULL)
38511650Ssam 		*cp = '\0';
38611650Ssam 	return (buf);
38711353Ssam }
38811353Ssam 
38910294Ssam char *
39010294Ssam onoff(bool)
39110294Ssam 	int bool;
39210294Ssam {
39310294Ssam 
39410294Ssam 	return (bool ? "on" : "off");
39510294Ssam }
39610294Ssam 
39710294Ssam /*
39810294Ssam  * Show status.
39910294Ssam  */
40010294Ssam status(argc, argv)
40110294Ssam 	char *argv[];
40210294Ssam {
40310294Ssam 
40410294Ssam 	if (connected)
40510294Ssam 		printf("Connected to %s.\n", hostname);
40610294Ssam 	else
40710294Ssam 		printf("Not connected.\n");
40810294Ssam 	printf("Mode: %s; Type: %s; Form: %s; Structure: %s\n",
40910294Ssam 		modename, typename, formname, structname);
41011353Ssam 	printf("Verbose: %s; Bell: %s; Prompting: %s; Globbing: %s\n",
41111353Ssam 		onoff(verbose), onoff(bell), onoff(interactive),
41211353Ssam 		onoff(doglob));
41314143Ssam 	printf("Hash mark printing: %s; Use of PORT cmds: %s\n",
41414143Ssam 		onoff(hash), onoff(sendport));
41510294Ssam }
41610294Ssam 
41710294Ssam /*
41810294Ssam  * Set beep on cmd completed mode.
41910294Ssam  */
42010294Ssam /*VARARGS*/
42110294Ssam setbell()
42210294Ssam {
42310294Ssam 
42410294Ssam 	bell = !bell;
42510294Ssam 	printf("Bell mode %s.\n", onoff(bell));
42610294Ssam }
42710294Ssam 
42810294Ssam /*
42910294Ssam  * Turn on packet tracing.
43010294Ssam  */
43110294Ssam /*VARARGS*/
43210294Ssam settrace()
43310294Ssam {
43410294Ssam 
43510294Ssam 	trace = !trace;
43610294Ssam 	printf("Packet tracing %s.\n", onoff(trace));
43710294Ssam }
43810294Ssam 
43910294Ssam /*
44011650Ssam  * Toggle hash mark printing during transfers.
44111650Ssam  */
44211650Ssam /*VARARGS*/
44311650Ssam sethash()
44411650Ssam {
44511650Ssam 
44611650Ssam 	hash = !hash;
44711650Ssam 	printf("Hash mark printing %s", onoff(hash));
44811650Ssam 	if (hash)
44911650Ssam 		printf(" (%d bytes/hash mark)", BUFSIZ);
45011650Ssam 	printf(".\n");
45111650Ssam }
45211650Ssam 
45311650Ssam /*
45410294Ssam  * Turn on printing of server echo's.
45510294Ssam  */
45610294Ssam /*VARARGS*/
45710294Ssam setverbose()
45810294Ssam {
45910294Ssam 
46010294Ssam 	verbose = !verbose;
46110294Ssam 	printf("Verbose mode %s.\n", onoff(verbose));
46210294Ssam }
46310294Ssam 
46410294Ssam /*
46511650Ssam  * Toggle PORT cmd use before each data connection.
46611650Ssam  */
46711650Ssam /*VARARGS*/
46811650Ssam setport()
46911650Ssam {
47011650Ssam 
47111650Ssam 	sendport = !sendport;
47211650Ssam 	printf("Use of PORT cmds %s.\n", onoff(sendport));
47311650Ssam }
47411650Ssam 
47511650Ssam /*
47610294Ssam  * Turn on interactive prompting
47710294Ssam  * during mget, mput, and mdelete.
47810294Ssam  */
47910294Ssam /*VARARGS*/
48010294Ssam setprompt()
48110294Ssam {
48210294Ssam 
48310294Ssam 	interactive = !interactive;
48410294Ssam 	printf("Interactive mode %s.\n", onoff(interactive));
48510294Ssam }
48610294Ssam 
48710294Ssam /*
48811353Ssam  * Toggle metacharacter interpretation
48911353Ssam  * on local file names.
49011353Ssam  */
49111353Ssam /*VARARGS*/
49211353Ssam setglob()
49311353Ssam {
49411353Ssam 
49511353Ssam 	doglob = !doglob;
49611353Ssam 	printf("Globbing %s.\n", onoff(doglob));
49711353Ssam }
49811353Ssam 
49911353Ssam /*
50010294Ssam  * Set debugging mode on/off and/or
50110294Ssam  * set level of debugging.
50210294Ssam  */
50311756Ssam /*VARARGS*/
50410294Ssam setdebug(argc, argv)
50510294Ssam 	char *argv[];
50610294Ssam {
50710294Ssam 	int val;
50810294Ssam 
50910294Ssam 	if (argc > 1) {
51010294Ssam 		val = atoi(argv[1]);
51110294Ssam 		if (val < 0) {
51210294Ssam 			printf("%s: bad debugging value.\n", argv[1]);
51310294Ssam 			return;
51410294Ssam 		}
51510294Ssam 	} else
51610294Ssam 		val = !debug;
51710294Ssam 	debug = val;
51810294Ssam 	if (debug)
51910294Ssam 		options |= SO_DEBUG;
52010294Ssam 	else
52110294Ssam 		options &= ~SO_DEBUG;
52210294Ssam 	printf("Debugging %s (debug=%d).\n", onoff(debug), debug);
52310294Ssam }
52410294Ssam 
52510294Ssam /*
52610294Ssam  * Set current working directory
52710294Ssam  * on remote machine.
52810294Ssam  */
52910294Ssam cd(argc, argv)
53010294Ssam 	char *argv[];
53110294Ssam {
53210294Ssam 
53310294Ssam 	if (argc < 2) {
53410294Ssam 		strcat(line, " ");
53510294Ssam 		printf("(remote-directory) ");
53610294Ssam 		gets(&line[strlen(line)]);
53710294Ssam 		makeargv();
53810294Ssam 		argc = margc;
53910294Ssam 		argv = margv;
54010294Ssam 	}
54110294Ssam 	if (argc < 2) {
54210294Ssam 		printf("%s remote-directory\n", argv[0]);
54310294Ssam 		return;
54410294Ssam 	}
54510294Ssam 	(void) command("CWD %s", argv[1]);
54610294Ssam }
54710294Ssam 
54810294Ssam /*
54910294Ssam  * Set current working directory
55010294Ssam  * on local machine.
55110294Ssam  */
55210294Ssam lcd(argc, argv)
55310294Ssam 	char *argv[];
55410294Ssam {
55511353Ssam 	char buf[MAXPATHLEN];
55610294Ssam 
55711353Ssam 	if (argc < 2)
55811353Ssam 		argc++, argv[1] = home;
55910294Ssam 	if (argc != 2) {
56010294Ssam 		printf("%s local-directory\n", argv[0]);
56110294Ssam 		return;
56210294Ssam 	}
56311353Ssam 	if (!globulize(&argv[1]))
56411353Ssam 		return;
56511353Ssam 	if (chdir(argv[1]) < 0) {
56610294Ssam 		perror(argv[1]);
56711353Ssam 		return;
56811353Ssam 	}
56911353Ssam 	printf("Local directory now %s\n", getwd(buf));
57010294Ssam }
57110294Ssam 
57210294Ssam /*
57310294Ssam  * Delete a single file.
57410294Ssam  */
57510294Ssam delete(argc, argv)
57610294Ssam 	char *argv[];
57710294Ssam {
57810294Ssam 
57910294Ssam 	if (argc < 2) {
58010294Ssam 		strcat(line, " ");
58110294Ssam 		printf("(remote-file) ");
58210294Ssam 		gets(&line[strlen(line)]);
58310294Ssam 		makeargv();
58410294Ssam 		argc = margc;
58510294Ssam 		argv = margv;
58610294Ssam 	}
58710294Ssam 	if (argc < 2) {
58810294Ssam 		printf("%s remote-file\n", argv[0]);
58910294Ssam 		return;
59010294Ssam 	}
59110294Ssam 	(void) command("DELE %s", argv[1]);
59210294Ssam }
59310294Ssam 
59410294Ssam /*
59511650Ssam  * Delete multiple files.
59611650Ssam  */
59711650Ssam mdelete(argc, argv)
59811650Ssam 	char *argv[];
59911650Ssam {
60011650Ssam 	char *cp;
60111650Ssam 
60211650Ssam 	if (argc < 2) {
60311650Ssam 		strcat(line, " ");
60411650Ssam 		printf("(remote-files) ");
60511650Ssam 		gets(&line[strlen(line)]);
60611650Ssam 		makeargv();
60711650Ssam 		argc = margc;
60811650Ssam 		argv = margv;
60911650Ssam 	}
61011650Ssam 	if (argc < 2) {
61111650Ssam 		printf("%s remote-files\n", argv[0]);
61211650Ssam 		return;
61311650Ssam 	}
61411650Ssam 	while ((cp = remglob(argc, argv)) != NULL)
61511650Ssam 		if (confirm(argv[0], cp))
61611650Ssam 			(void) command("DELE %s", cp);
61711650Ssam }
61811756Ssam 
61911650Ssam /*
62010294Ssam  * Rename a remote file.
62110294Ssam  */
62210294Ssam renamefile(argc, argv)
62310294Ssam 	char *argv[];
62410294Ssam {
62510294Ssam 
62610294Ssam 	if (argc < 2) {
62710294Ssam 		strcat(line, " ");
62810294Ssam 		printf("(from-name) ");
62910294Ssam 		gets(&line[strlen(line)]);
63010294Ssam 		makeargv();
63110294Ssam 		argc = margc;
63210294Ssam 		argv = margv;
63310294Ssam 	}
63410294Ssam 	if (argc < 2) {
63510294Ssam usage:
63610294Ssam 		printf("%s from-name to-name\n", argv[0]);
63710294Ssam 		return;
63810294Ssam 	}
63910294Ssam 	if (argc < 3) {
64010294Ssam 		strcat(line, " ");
64110294Ssam 		printf("(to-name) ");
64210294Ssam 		gets(&line[strlen(line)]);
64310294Ssam 		makeargv();
64410294Ssam 		argc = margc;
64510294Ssam 		argv = margv;
64610294Ssam 	}
64710294Ssam 	if (argc < 3)
64810294Ssam 		goto usage;
64910294Ssam 	if (command("RNFR %s", argv[1]) == CONTINUE)
65010294Ssam 		(void) command("RNTO %s", argv[2]);
65110294Ssam }
65210294Ssam 
65310294Ssam /*
65410294Ssam  * Get a directory listing
65510294Ssam  * of remote files.
65610294Ssam  */
65710294Ssam ls(argc, argv)
65810294Ssam 	char *argv[];
65910294Ssam {
66011756Ssam 	char *cmd;
66110294Ssam 
66210294Ssam 	if (argc < 2)
66310294Ssam 		argc++, argv[1] = NULL;
66410294Ssam 	if (argc < 3)
66510294Ssam 		argc++, argv[2] = "-";
66611756Ssam 	if (argc > 3) {
66711756Ssam 		printf("usage: %s remote-directory local-file\n", argv[0]);
66811756Ssam 		return;
66911756Ssam 	}
67010294Ssam 	cmd = argv[0][0] == 'l' ? "NLST" : "LIST";
67111353Ssam 	if (strcmp(argv[2], "-") && !globulize(&argv[2]))
67211353Ssam 		return;
67311756Ssam 	recvrequest(cmd, argv[2], argv[1], "w");
67410294Ssam }
67510294Ssam 
67610294Ssam /*
67711756Ssam  * Get a directory listing
67811756Ssam  * of multiple remote files.
67911756Ssam  */
68011756Ssam mls(argc, argv)
68111756Ssam 	char *argv[];
68211756Ssam {
68313212Ssam 	char *cmd, *mode, *cp, *dest;
68411756Ssam 
68513212Ssam 	if (argc < 2) {
68613212Ssam 		strcat(line, " ");
68713212Ssam 		printf("(remote-files) ");
68813212Ssam 		gets(&line[strlen(line)]);
68913212Ssam 		makeargv();
69013212Ssam 		argc = margc;
69113212Ssam 		argv = margv;
69213212Ssam 	}
69313212Ssam 	if (argc < 3) {
69413212Ssam 		strcat(line, " ");
69513212Ssam 		printf("(local-file) ");
69613212Ssam 		gets(&line[strlen(line)]);
69713212Ssam 		makeargv();
69813212Ssam 		argc = margc;
69913212Ssam 		argv = margv;
70013212Ssam 	}
70113212Ssam 	if (argc < 3) {
70213212Ssam 		printf("%s remote-files local-file\n", argv[0]);
70313212Ssam 		return;
70413212Ssam 	}
70513212Ssam 	dest = argv[argc - 1];
70613212Ssam 	argv[argc - 1] = NULL;
70713212Ssam 	if (strcmp(dest, "-"))
70816324Sralph 		if (!globulize(&dest) || !confirm("local-file", dest))
70913212Ssam 			return;
71011756Ssam 	cmd = argv[0][1] == 'l' ? "NLST" : "LIST";
71113212Ssam 	for (mode = "w"; cp = remglob(argc, argv); mode = "a")
71213212Ssam 		if (confirm(argv[0], cp))
71313212Ssam 			recvrequest(cmd, dest, cp, mode);
71411756Ssam }
71511756Ssam 
71611756Ssam /*
71710294Ssam  * Do a shell escape
71810294Ssam  */
71910294Ssam shell(argc, argv)
72010294Ssam 	char *argv[];
72110294Ssam {
72211756Ssam 	int pid, status, (*old1)(), (*old2)();
72311756Ssam 	char shellnam[40], *shell, *namep;
72411756Ssam 	char **cpp, **gargs;
72510294Ssam 
72611756Ssam 	old1 = signal (SIGINT, SIG_IGN);
72711756Ssam 	old2 = signal (SIGQUIT, SIG_IGN);
72811756Ssam 	if ((pid = fork()) == 0) {
72911756Ssam 		for (pid = 3; pid < 20; pid++)
73011756Ssam 			close(pid);
73111756Ssam 		signal(SIGINT, SIG_DFL);
73211756Ssam 		signal(SIGQUIT, SIG_DFL);
73311756Ssam 		if (argc <= 1) {
73411756Ssam 			shell = getenv("SHELL");
73511756Ssam 			if (shell == NULL)
73611756Ssam 				shell = "/bin/sh";
73711756Ssam 			namep = rindex(shell,'/');
73811756Ssam 			if (namep == NULL)
73911756Ssam 				namep = shell;
74011756Ssam 			strcpy(shellnam,"-");
74111756Ssam 			strcat(shellnam, ++namep);
74211756Ssam 			if (strcmp(namep, "sh") != 0)
74311756Ssam 				shellnam[0] = '+';
74411756Ssam 			if (debug) {
74511756Ssam 				printf ("%s\n", shell);
74611756Ssam 				fflush (stdout);
74711756Ssam 			}
74811756Ssam 			execl(shell, shellnam, 0);
74911756Ssam 			perror(shell);
75011756Ssam 			exit(1);
75111756Ssam 		}
75211756Ssam 		cpp = &argv[1];
75311756Ssam 		if (argc > 2) {
75411756Ssam 			if ((gargs = glob(cpp)) != NULL)
75511756Ssam 				cpp = gargs;
75611756Ssam 			if (globerr != NULL) {
75711756Ssam 				printf("%s\n", globerr);
75811756Ssam 				exit(1);
75911756Ssam 			}
76011756Ssam 		}
76111756Ssam 		if (debug) {
76211756Ssam 			register char **zip = cpp;
76311756Ssam 
76411756Ssam 			printf("%s", *zip);
76511756Ssam 			while (*++zip != NULL)
76611756Ssam 				printf(" %s", *zip);
76711756Ssam 			printf("\n");
76811756Ssam 			fflush(stdout);
76911756Ssam 		}
77011756Ssam 		execvp(argv[1], cpp);
77111756Ssam 		perror(argv[1]);
77211756Ssam 		exit(1);
77311756Ssam 	}
77411756Ssam 	if (pid > 0)
77511756Ssam 		while (wait(&status) != pid)
77611756Ssam 			;
77711756Ssam 	signal(SIGINT, old1);
77811756Ssam 	signal(SIGQUIT, old2);
77911756Ssam 	if (pid == -1)
78011756Ssam 		perror("Try again later");
78111756Ssam 	return (0);
78210294Ssam }
78310294Ssam 
78410294Ssam /*
78510294Ssam  * Send new user information (re-login)
78610294Ssam  */
78710294Ssam user(argc, argv)
78810294Ssam 	int argc;
78910294Ssam 	char **argv;
79010294Ssam {
79110294Ssam 	char acct[80], *getpass();
79210294Ssam 	int n;
79310294Ssam 
79410294Ssam 	if (argc < 2) {
79510294Ssam 		strcat(line, " ");
79610294Ssam 		printf("(username) ");
79710294Ssam 		gets(&line[strlen(line)]);
79810294Ssam 		makeargv();
79910294Ssam 		argc = margc;
80010294Ssam 		argv = margv;
80110294Ssam 	}
80210294Ssam 	if (argc > 4) {
80310294Ssam 		printf("usage: %s username [password] [account]\n", argv[0]);
80411756Ssam 		return (0);
80510294Ssam 	}
80610294Ssam 	n = command("USER %s", argv[1]);
80710294Ssam 	if (n == CONTINUE) {
80810294Ssam 		if (argc < 3 )
80910294Ssam 			argv[2] = getpass("Password: "), argc++;
81010294Ssam 		n = command("PASS %s", argv[2]);
81110294Ssam 	}
81210294Ssam 	if (n == CONTINUE) {
81310294Ssam 		if (argc < 4) {
81410294Ssam 			printf("Account: "); (void) fflush(stdout);
81510294Ssam 			(void) fgets(acct, sizeof(acct) - 1, stdin);
81610294Ssam 			acct[strlen(acct) - 1] = '\0';
81710294Ssam 			argv[3] = acct; argc++;
81810294Ssam 		}
81910294Ssam 		n = command("ACCT %s", acct);
82010294Ssam 	}
82110294Ssam 	if (n != COMPLETE) {
82210294Ssam 		fprintf(stderr, "Login failed.\n");
82310294Ssam 		return (0);
82410294Ssam 	}
82510294Ssam 	return (1);
82610294Ssam }
82710294Ssam 
82810294Ssam /*
82910294Ssam  * Print working directory.
83010294Ssam  */
83110294Ssam /*VARARGS*/
83210294Ssam pwd()
83310294Ssam {
83411756Ssam 
83510294Ssam 	(void) command("XPWD");
83610294Ssam }
83710294Ssam 
83810294Ssam /*
83910294Ssam  * Make a directory.
84010294Ssam  */
84110294Ssam makedir(argc, argv)
84210294Ssam 	char *argv[];
84310294Ssam {
84410294Ssam 
84510294Ssam 	if (argc < 2) {
84610294Ssam 		strcat(line, " ");
84710294Ssam 		printf("(directory-name) ");
84810294Ssam 		gets(&line[strlen(line)]);
84910294Ssam 		makeargv();
85010294Ssam 		argc = margc;
85110294Ssam 		argv = margv;
85210294Ssam 	}
85310294Ssam 	if (argc < 2) {
85410294Ssam 		printf("%s directory-name\n", argv[0]);
85510294Ssam 		return;
85610294Ssam 	}
85710294Ssam 	(void) command("XMKD %s", argv[1]);
85810294Ssam }
85910294Ssam 
86010294Ssam /*
86110294Ssam  * Remove a directory.
86210294Ssam  */
86310294Ssam removedir(argc, argv)
86410294Ssam 	char *argv[];
86510294Ssam {
86610294Ssam 
86710294Ssam 	if (argc < 2) {
86810294Ssam 		strcat(line, " ");
86910294Ssam 		printf("(directory-name) ");
87010294Ssam 		gets(&line[strlen(line)]);
87110294Ssam 		makeargv();
87210294Ssam 		argc = margc;
87310294Ssam 		argv = margv;
87410294Ssam 	}
87510294Ssam 	if (argc < 2) {
87610294Ssam 		printf("%s directory-name\n", argv[0]);
87710294Ssam 		return;
87810294Ssam 	}
87910294Ssam 	(void) command("XRMD %s", argv[1]);
88010294Ssam }
88110294Ssam 
88210294Ssam /*
88310294Ssam  * Send a line, verbatim, to the remote machine.
88410294Ssam  */
88510294Ssam quote(argc, argv)
88610294Ssam 	char *argv[];
88710294Ssam {
88810294Ssam 	int i;
88910294Ssam 	char buf[BUFSIZ];
89010294Ssam 
89110294Ssam 	if (argc < 2) {
89210294Ssam 		strcat(line, " ");
89310294Ssam 		printf("(command line to send) ");
89410294Ssam 		gets(&line[strlen(line)]);
89510294Ssam 		makeargv();
89610294Ssam 		argc = margc;
89710294Ssam 		argv = margv;
89810294Ssam 	}
89910294Ssam 	if (argc < 2) {
90010294Ssam 		printf("usage: %s line-to-send\n", argv[0]);
90110294Ssam 		return;
90210294Ssam 	}
90310294Ssam 	strcpy(buf, argv[1]);
90410294Ssam 	for (i = 2; i < argc; i++) {
90510294Ssam 		strcat(buf, " ");
90610294Ssam 		strcat(buf, argv[i]);
90710294Ssam 	}
90810294Ssam 	(void) command(buf);
90910294Ssam }
91010294Ssam 
91110294Ssam /*
91210294Ssam  * Ask the other side for help.
91310294Ssam  */
91410294Ssam rmthelp(argc, argv)
91510294Ssam 	char *argv[];
91610294Ssam {
91710294Ssam 	int oldverbose = verbose;
91810294Ssam 
91910294Ssam 	verbose = 1;
92010294Ssam 	(void) command(argc == 1 ? "HELP" : "HELP %s", argv[1]);
92110294Ssam 	verbose = oldverbose;
92210294Ssam }
92310294Ssam 
92410294Ssam /*
92510294Ssam  * Terminate session and exit.
92610294Ssam  */
92710294Ssam /*VARARGS*/
92810294Ssam quit()
92910294Ssam {
93010294Ssam 
931*18286Sralph 	if (connected)
932*18286Sralph 		disconnect();
93310294Ssam 	exit(0);
93410294Ssam }
93510294Ssam 
93610294Ssam /*
93710294Ssam  * Terminate session, but don't exit.
93810294Ssam  */
93910294Ssam disconnect()
94010294Ssam {
94110294Ssam 	extern FILE *cout;
94210294Ssam 	extern int data;
94310294Ssam 
94410294Ssam 	if (!connected)
94510294Ssam 		return;
94610294Ssam 	(void) command("QUIT");
94710294Ssam 	(void) fclose(cout);
94810294Ssam 	cout = NULL;
94910294Ssam 	connected = 0;
95010294Ssam 	data = -1;
95110294Ssam }
95211353Ssam 
95311650Ssam confirm(cmd, file)
95411353Ssam 	char *cmd, *file;
95511353Ssam {
95611353Ssam 	char line[BUFSIZ];
95711353Ssam 
95811353Ssam 	if (!interactive)
95911650Ssam 		return (1);
96011353Ssam 	printf("%s %s? ", cmd, file);
96111353Ssam 	fflush(stdout);
96211353Ssam 	gets(line);
96311650Ssam 	return (*line != 'n' && *line != 'N');
96411353Ssam }
96511353Ssam 
96611353Ssam fatal(msg)
96711353Ssam 	char *msg;
96811353Ssam {
96911353Ssam 
97011353Ssam 	fprintf(stderr, "ftp: %s\n");
97111353Ssam 	exit(1);
97211353Ssam }
97311353Ssam 
97411353Ssam /*
97511353Ssam  * Glob a local file name specification with
97611353Ssam  * the expectation of a single return value.
97711353Ssam  * Can't control multiple values being expanded
97811353Ssam  * from the expression, we return only the first.
97911353Ssam  */
98011353Ssam globulize(cpp)
98111353Ssam 	char **cpp;
98211353Ssam {
98311353Ssam 	char **globbed;
98411353Ssam 
98511353Ssam 	if (!doglob)
98611353Ssam 		return (1);
98711353Ssam 	globbed = glob(*cpp);
98811353Ssam 	if (globerr != NULL) {
98911353Ssam 		printf("%s: %s\n", *cpp, globerr);
99011353Ssam 		if (globbed)
99111353Ssam 			blkfree(globbed);
99211353Ssam 		return (0);
99311353Ssam 	}
99411353Ssam 	if (globbed) {
99511353Ssam 		*cpp = *globbed++;
99611353Ssam 		/* don't waste too much memory */
99711353Ssam 		if (*globbed)
99811353Ssam 			blkfree(globbed);
99911353Ssam 	}
100011353Ssam 	return (1);
100111353Ssam }
1002