Send patches - preferably formatted by git format-patch - to patches at archlinux32 dot org.
summaryrefslogtreecommitdiff
path: root/src/util/testdb.c
blob: fff43a2267e2649caa14acea8cccd1de69de29ca (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
/*
 *  testdb.c : Test a pacman local database for validity
 *
 *  Copyright (c) 2007 by Aaron Griffin <aaronmgriffin@gmail.com>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "config.h"

#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <dirent.h>

#include <alpm.h>
#include <alpm_list.h>

#define BASENAME "testdb"

alpm_handle_t *handle = NULL;

static void cleanup(int signum) {
	if(handle && alpm_release(handle) == -1) {
		fprintf(stderr, "error releasing alpm\n");
	}

	exit(signum);
}

static void output_cb(pmloglevel_t level, const char *fmt, va_list args)
{
	if(strlen(fmt)) {
		switch(level) {
			case PM_LOG_ERROR: printf("error: "); break;
			case PM_LOG_WARNING: printf("warning: "); break;
			default: return;
		}
		vprintf(fmt, args);
	}
}

static int check_localdb_files(void)
{
	struct dirent *ent;
	const char *dbpath;
	char path[4096];
	int ret = 0;
	DIR *dir;

	dbpath = alpm_option_get_dbpath(handle);
	snprintf(path, sizeof(path), "%slocal", dbpath);
	if(!(dir = opendir(path))) {
		fprintf(stderr, "error : %s : %s\n", path, strerror(errno));
		return 1;
	}

	while((ent = readdir(dir)) != NULL) {
		if(strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0
				|| ent->d_name[0] == '.') {
			continue;
		}
		/* check for known db files in local database */
		snprintf(path, sizeof(path), "%slocal/%s/desc", dbpath, ent->d_name);
		if(access(path, F_OK)) {
			printf("%s: description file is missing\n", ent->d_name);
			ret++;
		}
		snprintf(path, sizeof(path), "%slocal/%s/files", dbpath, ent->d_name);
		if(access(path, F_OK)) {
			printf("%s: file list is missing\n", ent->d_name);
			ret++;
		}
	}
	if(closedir(dir)) {
		fprintf(stderr, "error closing dbpath : %s\n", strerror(errno));
		return 1;
	}

	return ret;
}

static int checkdeps(alpm_list_t *pkglist)
{
	alpm_list_t *data, *i;
	int ret = 0;
	/* check dependencies */
	data = alpm_checkdeps(handle, pkglist, NULL, pkglist, 0);
	for(i = data; i; i = alpm_list_next(i)) {
		alpm_depmissing_t *miss = alpm_list_getdata(i);
		char *depstring = alpm_dep_compute_string(miss->depend);
		printf("missing dependency for %s : %s\n", miss->target,
				depstring);
		free(depstring);
		ret++;
	}
	FREELIST(data);
	return ret;
}

static int checkconflicts(alpm_list_t *pkglist)
{
	alpm_list_t *data, *i;
	int ret = 0;
	/* check conflicts */
	data = alpm_checkconflicts(handle, pkglist);
	for(i = data; i; i = i->next) {
		pmconflict_t *conflict = alpm_list_getdata(i);
		printf("%s conflicts with %s\n",
				conflict->package1, conflict->package2);
		ret++;
	}
	FREELIST(data);
	return ret;
}

static int check_localdb(void) {
	int ret = 0;
	alpm_db_t *db = NULL;
	alpm_list_t *pkglist;

	ret = check_localdb_files();
	if(ret) {
		return ret;
	}

	db = alpm_option_get_localdb(handle);
	pkglist = alpm_db_get_pkgcache(db);
	ret += checkdeps(pkglist);
	ret += checkconflicts(pkglist);
	return ret;
}

static int check_syncdbs(alpm_list_t *dbnames) {
	int ret = 0;
	alpm_db_t *db = NULL;
	alpm_list_t *i, *pkglist, *syncpkglist = NULL;

	for(i = dbnames; i; i = alpm_list_next(i)) {
		char *dbname = alpm_list_getdata(i);
		db = alpm_db_register_sync(handle, dbname, PM_PGP_VERIFY_OPTIONAL);
		if(db == NULL) {
			fprintf(stderr, "error: could not register sync database (%s)\n",
					alpm_strerror(alpm_errno(handle)));
			ret = 1;
			goto cleanup;
		}
		pkglist = alpm_db_get_pkgcache(db);
		syncpkglist = alpm_list_join(syncpkglist, alpm_list_copy(pkglist));
	}
	ret += checkdeps(syncpkglist);

cleanup:
	alpm_list_free(syncpkglist);
	return ret;
}

static void usage(void) {
	fprintf(stderr, "usage:\n");
	fprintf(stderr,
			"\t%s [-b <pacman db>]                : check the local database\n", BASENAME);
	fprintf(stderr,
			"\t%s [-b <pacman db>] core extra ... : check the listed sync databases\n", BASENAME);
	exit(1);
}

int main(int argc, char *argv[])
{
	int ret = 0;
	enum _pmerrno_t err;
	const char *dbpath = DBPATH;
	int a = 1;
	alpm_list_t *dbnames = NULL;

	while(a < argc) {
		if(strcmp(argv[a], "-b") == 0) {
			if(++a < argc) {
				dbpath = argv[a];
			} else {
				usage();
			}
		}	else if(strcmp(argv[a], "-h") == 0 ||
				strcmp(argv[a], "--help") == 0 ) {
			usage();
		} else {
			dbnames = alpm_list_add(dbnames, argv[a]);
		}
		a++;
	}

	handle = alpm_initialize(ROOTDIR, dbpath, &err);
	if(!handle) {
		fprintf(stderr, "cannot initialize alpm: %s\n", alpm_strerror(err));
		return EXIT_FAILURE;
	}

	/* let us get log messages from libalpm */
	alpm_option_set_logcb(handle, output_cb);

	if(!dbnames) {
		ret = check_localdb();
	} else {
		ret = check_syncdbs(dbnames);
		alpm_list_free(dbnames);
	}

	cleanup(ret);
}

/* vim: set ts=2 sw=2 noet: */