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