xbps/bin/xbps-pkgdb/check.c

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/*-
* Copyright (c) 2009-2014 Juan Romero Pardines.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <assert.h>
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#include <xbps.h>
#include "defs.h"
static int
pkgdb_cb(struct xbps_handle *xhp _unused,
xbps_object_t obj,
const char *key _unused,
void *arg _unused,
bool *done _unused)
{
const char *pkgver;
char *pkgname;
int rv;
xbps_dictionary_get_cstring_nocopy(obj, "pkgver", &pkgver);
if (xhp->flags & XBPS_FLAG_VERBOSE)
printf("Checking %s ...\n", pkgver);
pkgname = xbps_pkg_name(pkgver);
assert(pkgname);
rv = check_pkg_integrity(xhp, obj, pkgname);
free(pkgname);
if (rv != 0)
fprintf(stderr, "pkgdb failed for %s: %s\n",
pkgver, strerror(rv));
return rv;
}
int
check_pkg_integrity_all(struct xbps_handle *xhp)
{
return xbps_pkgdb_foreach_cb_multi(xhp, pkgdb_cb, NULL);
}
int
check_pkg_integrity(struct xbps_handle *xhp,
xbps_dictionary_t pkgd,
const char *pkgname)
{
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xbps_dictionary_t opkgd, filesd = NULL;
const char *sha256;
char *buf;
int rv = 0;
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filesd = opkgd = NULL;
/* find real pkg by name */
opkgd = pkgd;
if (opkgd == NULL) {
if (((opkgd = xbps_pkgdb_get_pkg(xhp, pkgname)) == NULL) &&
((opkgd = xbps_pkgdb_get_virtualpkg(xhp, pkgname)) == NULL)) {
printf("Package %s is not installed.\n", pkgname);
return 0;
}
}
/*
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* Check pkg files metadata signature.
*/
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if (xbps_dictionary_get_cstring_nocopy(opkgd, "metafile-sha256", &sha256)) {
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buf = xbps_xasprintf("%s/.%s-files.plist",
xhp->metadir, pkgname);
filesd = xbps_dictionary_internalize_from_file(buf);
rv = xbps_file_hash_check(buf, sha256);
free(buf);
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if (rv == ENOENT) {
xbps_dictionary_remove(opkgd, "metafile-sha256");
fprintf(stderr, "%s: unexistent metafile, "
"updating pkgdb.\n", pkgname);
} else if (rv == ERANGE) {
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xbps_object_release(filesd);
fprintf(stderr, "%s: metadata file has been "
"modified!\n", pkgname);
return 1;
}
}
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#define RUN_PKG_CHECK(x, name, arg) \
do { \
if (arg != NULL) { \
rv = check_pkg_##name(x, pkgname, arg); \
if (rv == -1) { \
xbps_error_printf("%s: the %s test " \
"returned error!\n", pkgname, #name); \
return EINVAL; \
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} \
} \
} while (0)
/* Execute pkg checks */
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RUN_PKG_CHECK(xhp, files, filesd);
RUN_PKG_CHECK(xhp, symlinks, filesd);
RUN_PKG_CHECK(xhp, rundeps, opkgd);
RUN_PKG_CHECK(xhp, unneeded, opkgd);
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if (filesd)
xbps_object_release(filesd);
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#undef RUN_PKG_CHECK
return 0;
}