xref: /netbsd/usr.bin/ftp/domacro.c (revision 78876854)
1 /*	$NetBSD: domacro.c,v 1.23 2019/02/03 03:19:29 mrg Exp $	*/
2 
3 /*
4  * Copyright (c) 1985, 1993, 1994
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 #ifndef lint
34 #if 0
35 static char sccsid[] = "@(#)domacro.c	8.3 (Berkeley) 4/2/94";
36 #else
37 __RCSID("$NetBSD: domacro.c,v 1.23 2019/02/03 03:19:29 mrg Exp $");
38 #endif
39 #endif /* not lint */
40 
41 #include <ctype.h>
42 #include <stdio.h>
43 #include <string.h>
44 
45 #include "ftp_var.h"
46 
47 void
domacro(int argc,char * argv[])48 domacro(int argc, char *argv[])
49 {
50 	int i, j, count = 2, loopflg = 0;
51 	char *cp1, *cp2, line2[FTPBUFLEN];
52 	struct cmd *c;
53 	char cmdbuf[MAX_C_NAME];
54 
55 	if ((argc == 0 && argv != NULL) ||
56 	    (argc < 2 && !another(&argc, &argv, "macro name"))) {
57 		UPRINTF("usage: %s macro_name [args]\n", argv[0]);
58 		code = -1;
59 		return;
60 	}
61 	for (i = 0; i < macnum; ++i) {
62 		if (!strncmp(argv[1], macros[i].mac_name, 9))
63 			break;
64 	}
65 	if (i == macnum) {
66 		fprintf(ttyout, "'%s' macro not found.\n", argv[1]);
67 		code = -1;
68 		return;
69 	}
70 	(void)strlcpy(line2, line, sizeof(line2));
71  TOP:
72 	cp1 = macros[i].mac_start;
73 	while (cp1 != macros[i].mac_end) {
74 		while (isspace((unsigned char)*cp1))
75 			cp1++;
76 		cp2 = line;
77 		while (*cp1 != '\0') {
78 			switch(*cp1) {
79 			case '\\':
80 				*cp2++ = *++cp1;
81 				break;
82 			case '$':
83 				if (isdigit((unsigned char)*(cp1+1))) {
84 					j = 0;
85 					while (isdigit((unsigned char)*++cp1))
86 						j = 10*j +  *cp1 - '0';
87 					cp1--;
88 					if (argc - 2 >= j) {
89 						(void)strlcpy(cp2, argv[j+1],
90 						    sizeof(line) - (cp2 - line));
91 						cp2 += strlen(argv[j+1]);
92 					}
93 					break;
94 				}
95 				if (*(cp1+1) == 'i') {
96 					loopflg = 1;
97 					cp1++;
98 					if (count < argc) {
99 						(void)strlcpy(cp2, argv[count],
100 						    sizeof(line) - (cp2 - line));
101 						cp2 += strlen(argv[count]);
102 					}
103 					break;
104 				}
105 				/* FALLTHROUGH */
106 			default:
107 				*cp2++ = *cp1;
108 				break;
109 			}
110 			if (*cp1 != '\0')
111 				cp1++;
112 		}
113 		*cp2 = '\0';
114 		makeargv();
115 		c = getcmd(margv[0]);
116 		if (c == (struct cmd *)-1) {
117 			fputs("?Ambiguous command.\n", ttyout);
118 			code = -1;
119 		} else if (c == 0) {
120 			fputs("?Invalid command.\n", ttyout);
121 			code = -1;
122 		} else if (c->c_conn && !connected) {
123 			fputs("Not connected.\n", ttyout);
124 			code = -1;
125 		} else {
126 			if (verbose) {
127 				fputs(line, ttyout);
128 				putc('\n', ttyout);
129 			}
130 			(void)strlcpy(cmdbuf, c->c_name, sizeof(cmdbuf));
131 			margv[0] = cmdbuf;
132 			(*c->c_handler)(margc, margv);
133 			if (bell && c->c_bell)
134 				(void)putc('\007', ttyout);
135 			(void)strlcpy(line, line2, sizeof(line));
136 			makeargv();
137 			argc = margc;
138 			argv = margv;
139 		}
140 		if (cp1 != macros[i].mac_end)
141 			cp1++;
142 	}
143 	if (loopflg && ++count < argc)
144 		goto TOP;
145 }
146