Import of NetBSD's ftp client under its new name (tnftp)
[dragonfly.git] / contrib / tnftp / domacro.c
1 /*      $NetBSD: domacro.c,v 1.21 2005/06/29 02:31:19 christos 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 1.21 2005/06/29 02:31:19 christos Exp $");
38 #endif
39 #endif /* not lint */
40
41 #include <ctype.h>
42 #include <stdio.h>
43 #include <string.h>
44
45 #include "ftp_var.h"
46
47 void
48 domacro(int argc, char *argv[])
49 {
50         int i, j, count = 2, loopflg = 0;
51         char *cp1, *cp2, line2[FTPBUFLEN];
52         struct cmd *c;
53
54         if ((argc == 0 && argv != NULL) ||
55             (argc < 2 && !another(&argc, &argv, "macro name"))) {
56                 UPRINTF("usage: %s macro_name [args]\n", argv[0]);
57                 code = -1;
58                 return;
59         }
60         for (i = 0; i < macnum; ++i) {
61                 if (!strncmp(argv[1], macros[i].mac_name, 9))
62                         break;
63         }
64         if (i == macnum) {
65                 fprintf(ttyout, "'%s' macro not found.\n", argv[1]);
66                 code = -1;
67                 return;
68         }
69         (void)strlcpy(line2, line, sizeof(line2));
70  TOP:
71         cp1 = macros[i].mac_start;
72         while (cp1 != macros[i].mac_end) {
73                 while (isspace((unsigned char)*cp1))
74                         cp1++;
75                 cp2 = line;
76                 while (*cp1 != '\0') {
77                         switch(*cp1) {
78                         case '\\':
79                                 *cp2++ = *++cp1;
80                                 break;
81                         case '$':
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 }