src/bin/network/ftp/domacro.c

   1 /*      $NetBSD: domacro.c,v 1.20 2003/08/07 11:13:53 agc 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
  34 #include <ctype.h>
  35 #include <stdio.h>
  36 #include <string.h>
  37
  38 #include "ftp_var.h"
  39
  40 void
  41 domacro(int argc, char *argv[])
  42 {
  43         int i, j, count = 2, loopflg = 0;
  44         char *cp1, *cp2, line2[FTPBUFLEN];
  45         struct cmd *c;
  46
  47         if ((argc == 0 && argv != NULL) ||
  48             (argc < 2 && !another(&argc, &argv, "macro name"))) {
  49                 fprintf(ttyout, "usage: %s macro_name [args]\n", argv[0]);
  50                 code = -1;
  51                 return;
  52         }
  53         for (i = 0; i < macnum; ++i) {
  54                 if (!strncmp(argv[1], macros[i].mac_name, 9))
  55                         break;
  56         }
  57         if (i == macnum) {
  58                 fprintf(ttyout, "'%s' macro not found.\n", argv[1]);
  59                 code = -1;
  60                 return;
  61         }
  62         (void)strlcpy(line2, line, sizeof(line2));
  63  TOP:
  64         cp1 = macros[i].mac_start;
  65         while (cp1 != macros[i].mac_end) {
  66                 while (isspace((unsigned char)*cp1))
  67                         cp1++;
  68                 cp2 = line;
  69                 while (*cp1 != '\0') {
  70                         switch(*cp1) {
  71                         case '\\':
  72                                 *cp2++ = *++cp1;
  73                                 break;
  74                         case '$':
  75                                 if (isdigit((unsigned char)*(cp1+1))) {
  76                                         j = 0;
  77                                         while (isdigit((unsigned char)*++cp1))
  78                                                 j = 10*j +  *cp1 - '0';
  79                                         cp1--;
  80                                         if (argc - 2 >= j) {
  81                                                 (void)strlcpy(cp2, argv[j+1],
  82                                                     sizeof(line) - (cp2 - line));
  83                                                 cp2 += strlen(argv[j+1]);
  84                                         }
  85                                         break;
  86                                 }
  87                                 if (*(cp1+1) == 'i') {
  88                                         loopflg = 1;
  89                                         cp1++;
  90                                         if (count < argc) {
  91                                                 (void)strlcpy(cp2, argv[count],
  92                                                     sizeof(line) - (cp2 - line));
  93                                                 cp2 += strlen(argv[count]);
  94                                         }
  95                                         break;
  96                                 }
  97                                 /* intentional drop through */
  98                         default:
  99                                 *cp2++ = *cp1;
 100                                 break;
 101                         }
 102                         if (*cp1 != '\0')
 103                                 cp1++;
 104                 }
 105                 *cp2 = '\0';
 106                 makeargv();
 107                 c = getcmd(margv[0]);
 108                 if (c == (struct cmd *)-1) {
 109                         fputs("?Ambiguous command.\n", ttyout);
 110                         code = -1;
 111                 } else if (c == 0) {
 112                         fputs("?Invalid command.\n", ttyout);
 113                         code = -1;
 114                 } else if (c->c_conn && !connected) {
 115                         fputs("Not connected.\n", ttyout);
 116                         code = -1;
 117                 } else {
 118                         if (verbose) {
 119                                 fputs(line, ttyout);
 120                                 putc('\n', ttyout);
 121                         }
 122                         margv[0] = c->c_name;
 123                         (*c->c_handler)(margc, margv);
 124                         if (bell && c->c_bell)
 125                                 (void)putc('\007', ttyout);
 126                         (void)strlcpy(line, line2, sizeof(line));
 127                         makeargv();
 128                         argc = margc;
 129                         argv = margv;
 130                 }
 131                 if (cp1 != macros[i].mac_end)
 132                         cp1++;
 133         }
 134         if (loopflg && ++count < argc)
 135                 goto TOP;
 136 }