xref: /netbsd-src/usr.bin/ftp/domacro.c (revision 23c8222edbfb0f0932d88a8351d3a0cf817dfb9e)
1 /*	$NetBSD: domacro.c,v 1.20 2003/08/07 11:13:53 agc 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 1.20 2003/08/07 11:13:53 agc Exp $");
38 #endif
39 #endif /* not lint */
40 
41 #include <ctype.h>
42 #include <stdio.h>
43 #include <string.h>
44 
45 #include "ftp_var.h"
46 
47 void
48 domacro(int argc, char *argv[])
49 {
50 	int i, j, count = 2, loopflg = 0;
51 	char *cp1, *cp2, line2[FTPBUFLEN];
52 	struct cmd *c;
53 
54 	if ((argc == 0 && argv != NULL) ||
55 	    (argc < 2 && !another(&argc, &argv, "macro name"))) {
56 		fprintf(ttyout, "usage: %s macro_name [args]\n", argv[0]);
57 		code = -1;
58 		return;
59 	}
60 	for (i = 0; i < macnum; ++i) {
61 		if (!strncmp(argv[1], macros[i].mac_name, 9))
62 			break;
63 	}
64 	if (i == macnum) {
65 		fprintf(ttyout, "'%s' macro not found.\n", argv[1]);
66 		code = -1;
67 		return;
68 	}
69 	(void)strlcpy(line2, line, sizeof(line2));
70  TOP:
71 	cp1 = macros[i].mac_start;
72 	while (cp1 != macros[i].mac_end) {
73 		while (isspace((unsigned char)*cp1))
74 			cp1++;
75 		cp2 = line;
76 		while (*cp1 != '\0') {
77 			switch(*cp1) {
78 			case '\\':
79 				*cp2++ = *++cp1;
80 				break;
81 			case '$':
82 				if (isdigit((unsigned char)*(cp1+1))) {
83 					j = 0;
84 					while (isdigit((unsigned char)*++cp1))
85 						j = 10*j +  *cp1 - '0';
86 					cp1--;
87 					if (argc - 2 >= j) {
88 						(void)strlcpy(cp2, argv[j+1],
89 						    sizeof(line) - (cp2 - line));
90 						cp2 += strlen(argv[j+1]);
91 					}
92 					break;
93 				}
94 				if (*(cp1+1) == 'i') {
95 					loopflg = 1;
96 					cp1++;
97 					if (count < argc) {
98 						(void)strlcpy(cp2, argv[count],
99 						    sizeof(line) - (cp2 - line));
100 						cp2 += strlen(argv[count]);
101 					}
102 					break;
103 				}
104 				/* intentional drop through */
105 			default:
106 				*cp2++ = *cp1;
107 				break;
108 			}
109 			if (*cp1 != '\0')
110 				cp1++;
111 		}
112 		*cp2 = '\0';
113 		makeargv();
114 		c = getcmd(margv[0]);
115 		if (c == (struct cmd *)-1) {
116 			fputs("?Ambiguous command.\n", ttyout);
117 			code = -1;
118 		} else if (c == 0) {
119 			fputs("?Invalid command.\n", ttyout);
120 			code = -1;
121 		} else if (c->c_conn && !connected) {
122 			fputs("Not connected.\n", ttyout);
123 			code = -1;
124 		} else {
125 			if (verbose) {
126 				fputs(line, ttyout);
127 				putc('\n', ttyout);
128 			}
129 			margv[0] = c->c_name;
130 			(*c->c_handler)(margc, margv);
131 			if (bell && c->c_bell)
132 				(void)putc('\007', ttyout);
133 			(void)strlcpy(line, line2, sizeof(line));
134 			makeargv();
135 			argc = margc;
136 			argv = margv;
137 		}
138 		if (cp1 != macros[i].mac_end)
139 			cp1++;
140 	}
141 	if (loopflg && ++count < argc)
142 		goto TOP;
143 }
144