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Annotation of embedaddon/sudo/plugins/sudoers/regress/logging/check_wrap.c, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (c) 2011 Todd C. Miller <Todd.Miller@courtesan.com>
                      3:  *
                      4:  * Permission to use, copy, modify, and distribute this software for any
                      5:  * purpose with or without fee is hereby granted, provided that the above
                      6:  * copyright notice and this permission notice appear in all copies.
                      7:  *
                      8:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                      9:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     10:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     11:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     12:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     13:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     14:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     15:  */
                     16: 
                     17: #include <config.h>
                     18: 
                     19: #include <sys/types.h>
                     20: #include <stdio.h>
                     21: #ifdef STDC_HEADERS
                     22: # include <stdlib.h>
                     23: # include <stddef.h>
                     24: #else
                     25: # ifdef HAVE_STDLIB_H
                     26: #  include <stdlib.h>
                     27: # endif
                     28: #endif /* STDC_HEADERS */
                     29: #ifdef HAVE_STRING_H
                     30: # if defined(HAVE_MEMORY_H) && !defined(STDC_HEADERS)
                     31: #  include <memory.h>
                     32: # endif
                     33: # include <string.h>
                     34: #endif /* HAVE_STRING_H */
                     35: #ifdef HAVE_STRINGS_H
                     36: # include <strings.h>
                     37: #endif /* HAVE_STRINGS_H */
                     38: 
                     39: #include "missing.h"
                     40: #include "error.h"
                     41: 
                     42: extern void writeln_wrap(FILE *fp, char *line, size_t len, size_t maxlen);
                     43: 
                     44: static void
                     45: usage(void)
                     46: {
                     47:     fprintf(stderr, "usage: check_wrap inputfile\n");
                     48:     exit(1);
                     49: }
                     50: 
                     51: int
                     52: main(int argc, char *argv[])
                     53: {
                     54:     size_t len;
                     55:     FILE *fp;
                     56:     char *cp, *dash, *line, lines[2][2048];
                     57:     int which = 0;
                     58: 
                     59: #if !defined(HAVE_GETPROGNAME) && !defined(HAVE___PROGNAME)
                     60:     setprogname(argc > 0 ? argv[0] : "check_wrap");
                     61: #endif
                     62: 
                     63:     if (argc != 2)
                     64:        usage();
                     65: 
                     66:     fp = fopen(argv[1], "r");
                     67:     if (fp == NULL)
                     68:        errorx(1, "unable to open %s", argv[1]);
                     69: 
                     70:     /*
                     71:      * Each test record consists of a log entry on one line and a list of
                     72:      * line lengths to test it with on the next.  E.g.
                     73:      *
                     74:      * 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
                     75:      * 60-80,40
                     76:      */
                     77:     while ((line = fgets(lines[which], sizeof(lines[which]), fp)) != NULL) {
                     78:        len = strcspn(line, "\n");
                     79:        line[len] = '\0';
                     80: 
                     81:        /* If we read the 2nd line, parse list of line lengths and check. */
                     82:        if (which) {
                     83:            for (cp = strtok(lines[1], ","); cp != NULL; cp = strtok(NULL, ",")) {
                     84:                size_t maxlen;
                     85:                /* May be either a number or a range. */
                     86:                len = maxlen = atoi(cp);
                     87:                dash = strchr(cp, '-');
                     88:                if (dash)
                     89:                    maxlen = atoi(dash + 1);
                     90:                while (len <= maxlen) {
                     91:                    printf("# word wrap at %d characters\n", (int)len);
                     92:                    writeln_wrap(stdout, lines[0], strlen(lines[0]), len);
                     93:                    len++;
                     94:                }
                     95:            }
                     96:        }
                     97:        which = !which;
                     98:     }
                     99: 
                    100:     exit(0);
                    101: }
                    102: 
                    103: void
                    104: cleanup(int gotsig)
                    105: {
                    106:     return;
                    107: }