111 lines
3.0 KiB
C
111 lines
3.0 KiB
C
/*
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* SPDX-License-Identifier: ISC
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*
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* Copyright (c) 2011-2013 Todd C. Miller <Todd.Miller@sudo.ws>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <config.h>
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#include <sys/types.h>
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif /* HAVE_STRING_H */
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif /* HAVE_STRINGS_H */
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#include <limits.h>
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#define SUDO_ERROR_WRAP 0
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#include "sudo_compat.h"
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#include "sudo_fatal.h"
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#include "sudo_plugin.h"
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#include "sudo_util.h"
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extern void writeln_wrap(FILE *fp, char *line, size_t len, size_t maxlen);
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__dso_public int main(int argc, char *argv[]);
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static void
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usage(void)
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{
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fprintf(stderr, "usage: %s inputfile\n", getprogname());
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exit(EXIT_FAILURE);
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}
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int
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main(int argc, char *argv[])
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{
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size_t len;
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FILE *fp;
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char *line, lines[2][2048];
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int lineno = 0;
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int which = 0;
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initprogname(argc > 0 ? argv[0] : "check_wrap");
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if (argc != 2)
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usage();
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fp = fopen(argv[1], "r");
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if (fp == NULL)
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sudo_fatalx("unable to open %s", argv[1]);
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/*
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* Each test record consists of a log entry on one line and a list of
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* line lengths to test it with on the next. E.g.
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*
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* Jun 30 14:49:51 : millert : TTY=ttypn ; PWD=/usr/src/local/millert/hg/sudo/trunk/plugins/sudoers ; USER=root ; TSID=0004LD ; COMMAND=/usr/local/sbin/visudo
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* 60-80,40
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*/
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while ((line = fgets(lines[which], sizeof(lines[which]), fp)) != NULL) {
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char *cp, *last;
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len = strcspn(line, "\n");
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line[len] = '\0';
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/* If we read the 2nd line, parse list of line lengths and check. */
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if (which) {
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lineno++;
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for (cp = strtok_r(lines[1], ",", &last); cp != NULL; cp = strtok_r(NULL, ",", &last)) {
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char *dash;
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size_t maxlen;
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/* May be either a number or a range. */
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dash = strchr(cp, '-');
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if (dash != NULL) {
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*dash = '\0';
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len = sudo_strtonum(cp, 1, INT_MAX, NULL);
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maxlen = sudo_strtonum(dash + 1, 1, INT_MAX, NULL);
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} else {
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len = maxlen = sudo_strtonum(cp, 1, INT_MAX, NULL);
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}
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if (len == 0 || maxlen == 0)
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sudo_fatalx("%s: invalid length on line %d\n", argv[1], lineno);
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while (len <= maxlen) {
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printf("# word wrap at %d characters\n", (int)len);
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writeln_wrap(stdout, lines[0], strlen(lines[0]), len);
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len++;
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}
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}
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}
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which = !which;
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}
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exit(0);
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}
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