xref: /netbsd/usr.bin/ftp/domacro.c (revision bf9ec67e)
1 /*	$NetBSD: domacro.c,v 1.19 2002/02/01 05:04:43 itojun 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. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include <sys/cdefs.h>
37 #ifndef lint
38 #if 0
39 static char sccsid[] = "@(#)domacro.c	8.3 (Berkeley) 4/2/94";
40 #else
41 __RCSID("$NetBSD: domacro.c,v 1.19 2002/02/01 05:04:43 itojun Exp $");
42 #endif
43 #endif /* not lint */
44 
45 #include <ctype.h>
46 #include <stdio.h>
47 #include <string.h>
48 
49 #include "ftp_var.h"
50 
51 void
52 domacro(int argc, char *argv[])
53 {
54 	int i, j, count = 2, loopflg = 0;
55 	char *cp1, *cp2, line2[FTPBUFLEN];
56 	struct cmd *c;
57 
58 	if ((argc == 0 && argv != NULL) ||
59 	    (argc < 2 && !another(&argc, &argv, "macro name"))) {
60 		fprintf(ttyout, "usage: %s macro_name [args]\n", argv[0]);
61 		code = -1;
62 		return;
63 	}
64 	for (i = 0; i < macnum; ++i) {
65 		if (!strncmp(argv[1], macros[i].mac_name, 9))
66 			break;
67 	}
68 	if (i == macnum) {
69 		fprintf(ttyout, "'%s' macro not found.\n", argv[1]);
70 		code = -1;
71 		return;
72 	}
73 	(void)strlcpy(line2, line, sizeof(line2));
74  TOP:
75 	cp1 = macros[i].mac_start;
76 	while (cp1 != macros[i].mac_end) {
77 		while (isspace((unsigned char)*cp1))
78 			cp1++;
79 		cp2 = line;
80 		while (*cp1 != '\0') {
81 			switch(*cp1) {
82 			case '\\':
83 				*cp2++ = *++cp1;
84 				break;
85 			case '$':
86 				if (isdigit((unsigned char)*(cp1+1))) {
87 					j = 0;
88 					while (isdigit((unsigned char)*++cp1))
89 						j = 10*j +  *cp1 - '0';
90 					cp1--;
91 					if (argc - 2 >= j) {
92 						(void)strlcpy(cp2, argv[j+1],
93 						    sizeof(line) - (cp2 - line));
94 						cp2 += strlen(argv[j+1]);
95 					}
96 					break;
97 				}
98 				if (*(cp1+1) == 'i') {
99 					loopflg = 1;
100 					cp1++;
101 					if (count < argc) {
102 						(void)strlcpy(cp2, argv[count],
103 						    sizeof(line) - (cp2 - line));
104 						cp2 += strlen(argv[count]);
105 					}
106 					break;
107 				}
108 				/* intentional drop through */
109 			default:
110 				*cp2++ = *cp1;
111 				break;
112 			}
113 			if (*cp1 != '\0')
114 				cp1++;
115 		}
116 		*cp2 = '\0';
117 		makeargv();
118 		c = getcmd(margv[0]);
119 		if (c == (struct cmd *)-1) {
120 			fputs("?Ambiguous command.\n", ttyout);
121 			code = -1;
122 		} else if (c == 0) {
123 			fputs("?Invalid command.\n", ttyout);
124 			code = -1;
125 		} else if (c->c_conn && !connected) {
126 			fputs("Not connected.\n", ttyout);
127 			code = -1;
128 		} else {
129 			if (verbose) {
130 				fputs(line, ttyout);
131 				putc('\n', ttyout);
132 			}
133 			margv[0] = c->c_name;
134 			(*c->c_handler)(margc, margv);
135 			if (bell && c->c_bell)
136 				(void)putc('\007', ttyout);
137 			(void)strlcpy(line, line2, sizeof(line));
138 			makeargv();
139 			argc = margc;
140 			argv = margv;
141 		}
142 		if (cp1 != macros[i].mac_end)
143 			cp1++;
144 	}
145 	if (loopflg && ++count < argc)
146 		goto TOP;
147 }
148