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/*
* Copyright 2005 Gentoo Foundation
* Distributed under the terms of the GNU General Public License v2
* $Header: /var/cvsroot/gentoo-projects/portage-utils/qcheck.c,v 1.10 2005/06/14 23:30:54 vapier Exp $
*
* 2005 Ned Ludd - <solar@gentoo.org>
* 2005 Mike Frysinger - <vapier@gentoo.org>
*
********************************************************************
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*
*/
#define QCHECK_FLAGS "a" COMMON_FLAGS
static struct option const qcheck_long_opts[] = {
{"all", no_argument, NULL, 'a'},
COMMON_LONG_OPTS
};
static const char *qcheck_opts_help[] = {
"List all packages",
COMMON_OPTS_HELP
};
#define qcheck_usage(ret) usage(ret, QCHECK_FLAGS, qcheck_long_opts, qcheck_opts_help, APPLET_QCHECK)
int qcheck_main(int argc, char **argv)
{
DIR *dir, *dirp;
int i;
struct dirent *dentry, *de;
char search_all = 0;
struct stat st;
size_t num_files, num_files_ok, num_files_unknown;
char *p;
char buf[_POSIX_PATH_MAX];
DBG("argc=%d argv[0]=%s argv[1]=%s",
argc, argv[0], argc > 1 ? argv[1] : "NULL?");
while ((i = GETOPT_LONG(QCHECK, qcheck, "")) != -1) {
switch (i) {
COMMON_GETOPTS_CASES(qcheck)
case 'a': search_all = 1; break;
}
}
if ((argc == optind) && !search_all)
qcheck_usage(EXIT_FAILURE);
if (chdir(portvdb) != 0 || (dir = opendir(portvdb)) == NULL)
return EXIT_FAILURE;
/* open /var/db/pkg */
while ((dentry = readdir(dir))) {
/* search for a category directory */
if (dentry->d_name[0] == '.')
continue;
if (strchr(dentry->d_name, '-') == NULL)
continue;
stat(dentry->d_name, &st);
if (!S_ISDIR(st.st_mode))
continue;
if (chdir(dentry->d_name) != 0)
continue;
if ((dirp = opendir(".")) == NULL)
continue;
/* open the cateogry */
while ((de = readdir(dirp)) != NULL) {
FILE *fp;
if (*de->d_name == '.')
continue;
/* see if this cat/pkg is requested */
if (!search_all) {
for (i = optind; i < argc; ++i) {
snprintf(buf, sizeof(buf), "%s/%s", dentry->d_name,
de->d_name);
if (rematch(argv[i], buf, REG_EXTENDED) == 0)
break;
if (rematch(argv[i], de->d_name, REG_EXTENDED) == 0)
break;
}
if (i == argc)
continue;
}
snprintf(buf, sizeof(buf), "%s/%s/%s/CONTENTS", portvdb,
dentry->d_name, de->d_name);
if ((fp = fopen(buf, "r")) == NULL)
continue;
num_files = num_files_ok = num_files_unknown = 0;
printf("Checking %s%s/%s%s ...\n", GREEN, dentry->d_name, de->d_name, NORM);
while ((fgets(buf, sizeof(buf), fp)) != NULL) {
if ((p = strchr(buf, '\n')) != NULL)
*p = '\0';
if ((p = strchr(buf, ' ')) == NULL)
continue;
++p;
switch (*buf) {
case '\n': /* newline */
break;
case 'd': /* dir */
case 'o': /* obj */
case 's': { /* sym */
char *file, *digest, *mtime_ascii;
long mtime;
/* parse the CONTENTS file */
file = p;
digest = mtime_ascii = NULL;
mtime = 0;
if ((p = strchr(file, ' ')) != NULL)
*p = '\0';
if (*buf == 'o' && p) {
digest = p+1;
if ((mtime_ascii = strchr(digest, ' ')) != NULL) {
*mtime_ascii = '\0';
++mtime_ascii;
mtime = strtol(mtime_ascii, NULL, 10);
if (mtime == LONG_MAX) {
warn("Invalid mtime '%s'", mtime_ascii);
mtime = 0;
mtime_ascii = NULL;
}
}
}
/* run our little checks */
++num_files;
if (lstat(file, &st)) {
/* make sure file exists */
printf(" %sAFK%s: %s\n", RED, NORM, file);
break;
}
if (digest && S_ISREG(st.st_mode)) {
/* validate digest (handles MD5 / SHA1) */
uint8_t hash_algo;
char *hashed_file;
switch (strlen(digest)) {
case 32: hash_algo = HASH_MD5; break;
case 40: hash_algo = HASH_SHA1; break;
default: hash_algo = 0; break;
}
if (!hash_algo) {
printf(" %sUNKNOWN DIGEST%s: '%s' for '%s'\n", RED, NORM, digest, file);
++num_files_unknown;
break;
}
hashed_file = hash_file(file, hash_algo);
if (!hashed_file) {
printf(" %sPERM %4o%s: %s\n", RED, (st.st_mode & 07777), NORM, file);
++num_files_unknown;
break;
} else if (strcmp(digest, hashed_file)) {
const char *digest_disp;
switch (hash_algo) {
case HASH_MD5: digest_disp = "MD5"; break;
case HASH_SHA1: digest_disp = "SHA1"; break;
default: digest_disp = "UNK"; break;
}
printf(" %s%s-DIGEST%s: %s\n", RED, digest_disp, NORM, file);
break;
}
}
if (mtime && mtime != st.st_mtime) {
/* validate last modification time */
printf(" %sMTIME%s: %s\n", RED, NORM, file);
break;
}
++num_files_ok;
break;
}
default:
warnf("Unhandled: '%s'", buf);
break;
}
}
fclose(fp);
printf(" %2$s*%1$s %3$s%4$lu%1$s out of %3$s%5$lu%1$s file%6$s are good\n",
NORM, BOLD, BLUE,
(unsigned long)num_files_ok,
(unsigned long)num_files,
(num_files > 1 ? "s" : ""));
if (num_files_unknown)
printf(" %2$s*%1$s Unable to digest %3$s%4$lu%1$s file%5$s\n",
NORM, BOLD, BLUE, (unsigned long)num_files_unknown,
(num_files_unknown > 1 ? "s" : ""));
}
closedir(dirp);
chdir("..");
}
closedir(dir);
return EXIT_SUCCESS;
}
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