1/*
2 * Copyright (c) 1985, 1993, 1994
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include "ftp_locl.h"
35RCSID("$Id$");
36
37void
38domacro(int argc, char **argv)
39{
40	int i, j, count = 2, loopflg = 0;
41	char *cp1, *cp2, line2[200];
42	struct cmd *c;
43
44	if (argc < 2 && !another(&argc, &argv, "macro name")) {
45		printf("Usage: %s macro_name.\n", argv[0]);
46		code = -1;
47		return;
48	}
49	for (i = 0; i < macnum; ++i) {
50		if (!strncmp(argv[1], macros[i].mac_name, 9)) {
51			break;
52		}
53	}
54	if (i == macnum) {
55		printf("'%s' macro not found.\n", argv[1]);
56		code = -1;
57		return;
58	}
59	strlcpy(line2, line, sizeof(line2));
60TOP:
61	cp1 = macros[i].mac_start;
62	while (cp1 != macros[i].mac_end) {
63		while (isspace((unsigned char)*cp1)) {
64			cp1++;
65		}
66		cp2 = line;
67		while (*cp1 != '\0') {
68		      size_t len;
69		      switch(*cp1) {
70		   	    case '\\':
71				if (line + sizeof(line) - 2 < cp2)
72				    goto out;
73				*cp2++ = *++cp1;
74				 break;
75			    case '$':
76				 if (isdigit((unsigned char)*(cp1+1))) {
77				    j = 0;
78				    while (isdigit((unsigned char)*++cp1)) {
79					  j = 10*j +  *cp1 - '0';
80				    }
81				    cp1--;
82				    if (argc - 2 >= j) {
83					len = sizeof(line) - (cp2 - line) - 1;
84					if (strlcpy(cp2, argv[j+1], len) >= len)
85					    goto out;
86					cp2 += strlen(argv[j+1]);
87				    }
88				    break;
89				 }
90				 if (*(cp1+1) == 'i') {
91					loopflg = 1;
92					cp1++;
93					if (count < argc) {
94					   len = sizeof(line) - (cp2 - line) - 1;
95					   if (strlcpy(cp2, argv[count], len) >= len)
96					       goto out;
97					   cp2 += strlen(argv[count]);
98					}
99					break;
100				}
101				/* intentional drop through */
102			    default:
103				if (line + sizeof(line) - 2 < cp2)
104				    goto out;
105				*cp2++ = *cp1;
106				break;
107		      }
108		      if (*cp1 != '\0') {
109			 cp1++;
110		      }
111		}
112	out:
113		*cp2 = '\0';
114		makeargv();
115		c = getcmd(margv[0]);
116		if (c == (struct cmd *)-1) {
117			printf("?Ambiguous command\n");
118			code = -1;
119		}
120		else if (c == 0) {
121			printf("?Invalid command\n");
122			code = -1;
123		}
124		else if (c->c_conn && !connected) {
125			printf("Not connected.\n");
126			code = -1;
127		}
128		else {
129			if (verbose) {
130				printf("%s\n",line);
131			}
132			(*c->c_handler)(margc, margv);
133			if (bell && c->c_bell) {
134				putchar('\007');
135			}
136			strlcpy(line, line2, sizeof(line));
137			makeargv();
138			argc = margc;
139			argv = margv;
140		}
141		if (cp1 != macros[i].mac_end) {
142			cp1++;
143		}
144	}
145	if (loopflg && ++count < argc) {
146		goto TOP;
147	}
148}
149