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domacro.c revision 1.3 
      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 #ifndef lint
     35 static char sccsid[] = "@(#)domacro.c	8.3 (Berkeley) 4/2/94";
     36 #endif /* not lint */
     37 
     38 #include <ctype.h>
     39 #include <signal.h>
     40 #include <stdio.h>
     41 #include <strings.h>
     42 
     43 #include "ftp_var.h"
     44 
     45 void
     46 domacro(argc, argv)
     47 	int argc;
     48 	char *argv[];
     49 {
     50 	int i, j, count = 2, loopflg = 0;
     51 	char *cp1, *cp2, line2[200];
     52 	struct cmd *c;
     53 
     54 	if (argc < 2 && !another(&argc, &argv, "macro name")) {
     55 		printf("Usage: %s macro_name.\n", argv[0]);
     56 		code = -1;
     57 		return;
     58 	}
     59 	for (i = 0; i < macnum; ++i) {
     60 		if (!strncmp(argv[1], macros[i].mac_name, 9)) {
     61 			break;
     62 		}
     63 	}
     64 	if (i == macnum) {
     65 		printf("'%s' macro not found.\n", argv[1]);
     66 		code = -1;
     67 		return;
     68 	}
     69 	(void) strcpy(line2, line);
     70 TOP:
     71 	cp1 = macros[i].mac_start;
     72 	while (cp1 != macros[i].mac_end) {
     73 		while (isspace(*cp1)) {
     74 			cp1++;
     75 		}
     76 		cp2 = line;
     77 		while (*cp1 != '\0') {
     78 		      switch(*cp1) {
     79 		   	    case '\\':
     80 				 *cp2++ = *++cp1;
     81 				 break;
     82 			    case '$':
     83 				 if (isdigit(*(cp1+1))) {
     84 				    j = 0;
     85 				    while (isdigit(*++cp1)) {
     86 					  j = 10*j +  *cp1 - '0';
     87 				    }
     88 				    cp1--;
     89 				    if (argc - 2 >= j) {
     90 					(void) strcpy(cp2, argv[j+1]);
     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) strcpy(cp2, argv[count]);
    100 					   cp2 += strlen(argv[count]);
    101 					}
    102 					break;
    103 				}
    104 				/* intentional drop through */
    105 			    default:
    106 				*cp2++ = *cp1;
    107 				break;
    108 		      }
    109 		      if (*cp1 != '\0') {
    110 			 cp1++;
    111 		      }
    112 		}
    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 				(void) putchar('\007');
    135 			}
    136 			(void) strcpy(line, line2);
    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