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