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