xref: /openbsd/usr.bin/ftp/domacro.c (revision db3296cf)
1 /*	$OpenBSD: domacro.c,v 1.9 2003/06/03 02:56:08 millert Exp $	*/
2 /*	$NetBSD: domacro.c,v 1.10 1997/07/20 09:45:45 lukem Exp $	*/
3 
4 /*
5  * Copyright (c) 1985, 1993, 1994
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32 
33 #ifndef lint
34 #if 0
35 static char sccsid[] = "@(#)domacro.c	8.3 (Berkeley) 4/2/94";
36 #else
37 static char rcsid[] = "$OpenBSD: domacro.c,v 1.9 2003/06/03 02:56:08 millert Exp $";
38 #endif
39 #endif /* not lint */
40 
41 #include <ctype.h>
42 #include <signal.h>
43 #include <stdio.h>
44 #include <string.h>
45 
46 #include "ftp_var.h"
47 
48 void
49 domacro(argc, argv)
50 	int argc;
51 	char *argv[];
52 {
53 	int i, j, count = 2, loopflg = 0;
54 	char *cp1, *cp2, line2[FTPBUFLEN];
55 	struct cmd *c;
56 
57 	if (argc < 2 && !another(&argc, &argv, "macro name")) {
58 		fprintf(ttyout, "usage: %s macro_name\n", argv[0]);
59 		code = -1;
60 		return;
61 	}
62 	for (i = 0; i < macnum; ++i) {
63 		if (!strncmp(argv[1], macros[i].mac_name, 9)) {
64 			break;
65 		}
66 	}
67 	if (i == macnum) {
68 		fprintf(ttyout, "'%s' macro not found.\n", argv[1]);
69 		code = -1;
70 		return;
71 	}
72 	(void)strlcpy(line2, line, sizeof(line2));
73 TOP:
74 	cp1 = macros[i].mac_start;
75 	while (cp1 != macros[i].mac_end) {
76 		while (isspace(*cp1)) {
77 			cp1++;
78 		}
79 		cp2 = line;
80 		while (*cp1 != '\0') {
81 		      switch(*cp1) {
82 		   	    case '\\':
83 				 *cp2++ = *++cp1;
84 				 break;
85 			    case '$':
86 				 if (isdigit(*(cp1+1))) {
87 				    j = 0;
88 				    while (isdigit(*++cp1)) {
89 					  j = 10*j +  *cp1 - '0';
90 				    }
91 				    cp1--;
92 				    if (argc - 2 >= j) {
93 					(void)strlcpy(cp2, argv[j+1],
94 					    sizeof(line) - (cp2 - line));
95 					cp2 += strlen(argv[j+1]);
96 				    }
97 				    break;
98 				 }
99 				 if (*(cp1+1) == 'i') {
100 					loopflg = 1;
101 					cp1++;
102 					if (count < argc) {
103 					   (void)strlcpy(cp2, argv[count],
104 					       sizeof(line) - (cp2 - line));
105 					   cp2 += strlen(argv[count]);
106 					}
107 					break;
108 				}
109 				/* intentional drop through */
110 			    default:
111 				*cp2++ = *cp1;
112 				break;
113 		      }
114 		      if (*cp1 != '\0') {
115 			 cp1++;
116 		      }
117 		}
118 		*cp2 = '\0';
119 		makeargv();
120 		c = getcmd(margv[0]);
121 		if (c == (struct cmd *)-1) {
122 			fputs("?Ambiguous command.\n", ttyout);
123 			code = -1;
124 		}
125 		else if (c == 0) {
126 			fputs("?Invalid command.\n", ttyout);
127 			code = -1;
128 		}
129 		else if (c->c_conn && !connected) {
130 			fputs("Not connected.\n", ttyout);
131 			code = -1;
132 		}
133 		else {
134 			if (verbose) {
135 				fputs(line, ttyout);
136 				fputc('\n', ttyout);
137 			}
138 			(*c->c_handler)(margc, margv);
139 			if (bell && c->c_bell) {
140 				(void)putc('\007', ttyout);
141 			}
142 			(void)strlcpy(line, line2, sizeof(line));
143 			makeargv();
144 			argc = margc;
145 			argv = margv;
146 		}
147 		if (cp1 != macros[i].mac_end) {
148 			cp1++;
149 		}
150 	}
151 	if (loopflg && ++count < argc) {
152 		goto TOP;
153 	}
154 }
155