1 /* conffile.c - the opkg package management system
2
3 Carl D. Worth
4
5 Copyright (C) 2001 University of Southern California
6
7 This program is free software; you can redistribute it and/or
8 modify it under the terms of the GNU General Public License as
9 published by the Free Software Foundation; either version 2, or (at
10 your option) any later version.
11
12 This program is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
16 */
17
18 #include <stdio.h>
19 #include <stdlib.h>
20
21 #include "opkg_message.h"
22 #include "conffile.h"
23 #include "file_util.h"
24 #include "sprintf_alloc.h"
25 #include "opkg_conf.h"
26
conffile_init(conffile_t * conffile,const char * file_name,const char * md5sum)27 int conffile_init(conffile_t * conffile, const char *file_name,
28 const char *md5sum)
29 {
30 return nv_pair_init(conffile, file_name, md5sum);
31 }
32
conffile_deinit(conffile_t * conffile)33 void conffile_deinit(conffile_t * conffile)
34 {
35 nv_pair_deinit(conffile);
36 }
37
conffile_has_been_modified(conffile_t * conffile)38 int conffile_has_been_modified(conffile_t * conffile)
39 {
40 char *chksum;
41 char *filename = conffile->name;
42 char *root_filename;
43 int ret = 1;
44
45 if (conffile->value == NULL) {
46 opkg_msg(NOTICE, "Conffile %s has no md5sum.\n",
47 conffile->name);
48 return 1;
49 }
50
51 root_filename = root_filename_alloc(filename);
52
53 if (conffile->value && strlen(conffile->value) > 33) {
54 chksum = file_sha256sum_alloc(root_filename);
55 } else {
56 chksum = file_md5sum_alloc(root_filename);
57 }
58
59 if (chksum && (ret = strcmp(chksum, conffile->value))) {
60 opkg_msg(INFO, "Conffile %s:\n\told chk=%s\n\tnew chk=%s\n",
61 conffile->name, chksum, conffile->value);
62 }
63
64 free(root_filename);
65 if (chksum)
66 free(chksum);
67
68 return ret;
69 }
70