IABSD.fr/src/usr.bin/ftp/domacro.c

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• Author : deraadt
  Date : 2019-11-18 04:37:35
  Hash : 544013c6
  Message : various knf and whitespace; ok jca

• usr.bin/ftp/domacro.c

• /*	$OpenBSD: domacro.c,v 1.22 2019/11/18 04:37:35 deraadt Exp $	*/
  /*	$NetBSD: domacro.c,v 1.10 1997/07/20 09:45:45 lukem Exp $	*/
  
  /*
   * Copyright (c) 1985, 1993, 1994
   *	The Regents of the University of California.  All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   */
  
  #ifndef SMALL
  
  #include <ctype.h>
  #include <signal.h>
  #include <stdio.h>
  #include <string.h>
  
  #include "ftp_var.h"
  
  void
  domacro(int argc, char *argv[])
  {
  	int i, j, count = 2, loopflg = 0;
  	char *cp1, *cp2, line2[FTPBUFLEN];
  	struct cmd *c;
  
  	if (argc < 2 && !another(&argc, &argv, "macro name")) {
  		fprintf(ttyout, "usage: %s macro-name\n", argv[0]);
  		code = -1;
  		return;
  	}
  	for (i = 0; i < macnum; ++i) {
  		if (!strncmp(argv[1], macros[i].mac_name, 9)) {
  			break;
  		}
  	}
  	if (i == macnum) {
  		fprintf(ttyout, "'%s' macro not found.\n", argv[1]);
  		code = -1;
  		return;
  	}
  	(void)strlcpy(line2, line, sizeof(line2));
  TOP:
  	cp1 = macros[i].mac_start;
  	while (cp1 != macros[i].mac_end) {
  		while (isspace((unsigned char)*cp1)) {
  			cp1++;
  		}
  		cp2 = line;
  		while (*cp1 != '\0') {
  			switch(*cp1) {
  			case '\\':
  				*cp2++ = *++cp1;
  				break;
  			case '$':
  				if (isdigit((unsigned char)*(cp1 + 1))) {
  					j = 0;
  					while (isdigit((unsigned char)*++cp1)) {
  						j = 10*j +  *cp1 - '0';
  					}
  					cp1--;
  					if (argc - 2 >= j) {
  						(void)strlcpy(cp2, argv[j+1],
  						    sizeof(line) - (cp2 - line));
  						cp2 += strlen(argv[j+1]);
  					}
  					break;
  				}
  				if (*(cp1+1) == 'i') {
  					loopflg = 1;
  					cp1++;
  					if (count < argc) {
  						(void)strlcpy(cp2, argv[count],
  						    sizeof(line) - (cp2 - line));
  						cp2 += strlen(argv[count]);
  					}
  					break;
  				}
  				/* FALLTHROUGH */
  			default:
  				*cp2++ = *cp1;
  				break;
  			}
  			if (*cp1 != '\0') {
  				cp1++;
  			}
  		}
  		*cp2 = '\0';
  		makeargv();
  		c = getcmd(margv[0]);
  		if (c == (struct cmd *)-1) {
  			fputs("?Ambiguous command.\n", ttyout);
  			code = -1;
  		} else if (c == 0) {
  			fputs("?Invalid command.\n", ttyout);
  			code = -1;
  		} else if (c->c_conn && !connected) {
  			fputs("Not connected.\n", ttyout);
  			code = -1;
  		} else {
  			if (verbose) {
  				fputs(line, ttyout);
  				fputc('\n', ttyout);
  			}
  			(*c->c_handler)(margc, margv);
  			if (bell && c->c_bell) {
  				(void)putc('\007', ttyout);
  			}
  			(void)strlcpy(line, line2, sizeof(line));
  			makeargv();
  			argc = margc;
  			argv = margv;
  		}
  		if (cp1 != macros[i].mac_end) {
  			cp1++;
  		}
  	}
  	if (loopflg && ++count < argc) {
  		goto TOP;
  	}
  }
  
  #endif /* !SMALL */