src/appl/gssftp/ftp/domacro.c

   1 /*
   2  * Copyright (c) 1985 Regents of the University of California.
   3  * 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 #ifndef lint
  35 static char sccsid[] = "@(#)domacro.c   1.8 (Berkeley) 9/28/90";
  36 #endif /* not lint */
  37
  38 #include <stdio.h>
  39
  40 #include "ftp_var.h"
  41
  42 #include <signal.h>
  43 #include <errno.h>
  44 #include <ctype.h>
  45 #include <string.h>
  46
  47 domacro(argc, argv)
  48         int argc;
  49         char *argv[];
  50 {
  51         register int i, j;
  52         register char *cp1, *cp2;
  53         int count = 2, loopflg = 0;
  54         char line2[200];
  55         extern char **glob(), *globerr;
  56         struct cmd *getcmd(), *c;
  57         extern struct cmd cmdtab[];
  58
  59         if (argc < 2 && !another(&argc, &argv, "macro name")) {
  60                 printf("Usage: %s macro_name.\n", argv[0]);
  61                 code = -1;
  62                 return;
  63         }
  64         for (i = 0; i < macnum; ++i) {
  65                 if (!strncmp(argv[1], macros[i].mac_name, 9)) {
  66                         break;
  67                 }
  68         }
  69         if (i == macnum) {
  70                 printf("'%s' macro not found.\n", argv[1]);
  71                 code = -1;
  72                 return;
  73         }
  74         (void) strncpy(line2, line, sizeof(line2) - 1);
  75         line2[sizeof(line2) - 1] = '\0';
  76 TOP:
  77         cp1 = macros[i].mac_start;
  78         while (cp1 != macros[i].mac_end) {
  79                 while (isspace(*cp1)) {
  80                         cp1++;
  81                 }
  82                 cp2 = line;
  83                 while (*cp1 != '\0') {
  84                       switch(*cp1) {
  85                             case '\\':
  86                                  *cp2++ = *++cp1;
  87                                  break;
  88                             case '$':
  89                                  if (isdigit(*(cp1+1))) {
  90                                     j = 0;
  91                                     while (isdigit(*++cp1)) {
  92                                           j = 10*j +  *cp1 - '0';
  93                                     }
  94                                     cp1--;
  95                                     if (argc - 2 >= j) {
  96                                         if(cp2 + strlen(argv[j+1]) - line < sizeof(line))
  97                                         (void) strncpy(cp2, argv[j+1],
  98                                                        sizeof(line) - 1 -
  99                                                        (cp2 - line));
 100                                         line[sizeof(line) - 1] = '\0';
 101                                         cp2 += strlen(argv[j+1]);
 102                                     }
 103                                     break;
 104                                  }
 105                                  if (*(cp1+1) == 'i') {
 106                                         loopflg = 1;
 107                                         cp1++;
 108                                         if (count < argc) {
 109                                            if(cp2 + strlen(argv[j+1]) - line < sizeof(line))
 110                                            (void) strncpy(cp2, argv[count],
 111                                                           sizeof(line) - 1 -
 112                                                           (cp2 - line));
 113                                            line[sizeof(line) - 1] = '\0';
 114                                            cp2 += strlen(argv[count]);
 115                                         }
 116                                         break;
 117                                 }
 118                                 /* intentional drop through */
 119                             default:
 120                                 *cp2++ = *cp1;
 121                                 break;
 122                       }
 123                       if (*cp1 != '\0') {
 124                          cp1++;
 125                       }
 126                 }
 127                 *cp2 = '\0';
 128                 makeargv();
 129                 c = getcmd(margv[0]);
 130                 if (c == (struct cmd *)-1) {
 131                         printf("?Ambiguous command\n");
 132                         code = -1;
 133                 }
 134                 else if (c == 0) {
 135                         printf("?Invalid command\n");
 136                         code = -1;
 137                 }
 138                 else if (c->c_conn && !connected) {
 139                         printf("Not connected.\n");
 140                         code = -1;
 141                 }
 142                 else {
 143                         if (verbose) {
 144                                 printf("%s\n",line);
 145                         }
 146                         (*c->c_handler)(margc, margv);
 147                         if (bell && c->c_bell) {
 148                                 (void) putchar('\007');
 149                         }
 150                         (void) strncpy(line, line2, sizeof(line) - 1);
 151                         line[sizeof(line) - 1] = '\0';
 152                         makeargv();
 153                         argc = margc;
 154                         argv = margv;
 155                 }
 156                 if (cp1 != macros[i].mac_end) {
 157                         cp1++;
 158                 }
 159         }
 160         if (loopflg && ++count < argc) {
 161                 goto TOP;
 162         }
 163 }