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check.c
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check.c
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/*-
* Copyright (c) 2011-2012 Baptiste Daroussin <bapt@FreeBSD.org>
* Copyright (c) 2011-2012 Marin Atanasov Nikolov <dnaeon@gmail.com>
* 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
* in this position and unchanged.
* 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(S) ``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(S) 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 <sys/queue.h>
#include <err.h>
#include <assert.h>
#include <sysexits.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <libutil.h>
#include <pkg.h>
#include "pkgcli.h"
struct deps_entry {
char *name;
char *version;
char *origin;
STAILQ_ENTRY(deps_entry) next;
};
STAILQ_HEAD(deps_head, deps_entry);
static int check_deps(struct pkgdb *db, struct pkg *pkg, struct deps_head *dh, bool noinstall);
static void add_missing_dep(struct pkg_dep *d, struct deps_head *dh, int *nbpkgs);
static void deps_free(struct deps_head *dh);
static int fix_deps(struct pkgdb *db, struct deps_head *dh, int nbpkgs, bool yes);
static void check_summary(struct pkgdb *db, struct deps_head *dh);
static int
check_deps(struct pkgdb *db, struct pkg *p, struct deps_head *dh, bool noinstall)
{
struct pkg_dep *dep = NULL;
char *name, *version, *origin;
int nbpkgs = 0;
assert(db != NULL);
assert(p != NULL);
name = version = origin = NULL;
pkg_get(p, PKG_NAME, &name, PKG_VERSION, &version, PKG_ORIGIN, &origin);
while (pkg_deps(p, &dep) == EPKG_OK) {
/* do we have a missing dependency? */
if (pkg_is_installed(db, pkg_dep_origin(dep)) != EPKG_OK) {
if (noinstall)
printf("%s\n", pkg_dep_origin(dep));
else
printf("%s has a missing dependency: %s\n", origin,
pkg_dep_origin(dep));
add_missing_dep(dep, dh, &nbpkgs);
}
}
return (nbpkgs);
}
static void
add_missing_dep(struct pkg_dep *d, struct deps_head *dh, int *nbpkgs)
{
struct deps_entry *e = NULL;
const char *origin = NULL;
assert(d != NULL);
/* do not add duplicate entries in the queue */
origin = pkg_dep_origin(d);
STAILQ_FOREACH(e, dh, next)
if (strcmp(e->origin, origin) == 0)
return;
if ((e = calloc(1, sizeof(struct deps_entry))) == NULL)
err(1, "calloc(deps_entry)");
e->name = strdup(pkg_dep_name(d));
e->version = strdup(pkg_dep_version(d));
e->origin = strdup(pkg_dep_origin(d));
(*nbpkgs)++;
STAILQ_INSERT_TAIL(dh, e, next);
}
static void
deps_free(struct deps_head *dh)
{
struct deps_entry *e = NULL;
while (!STAILQ_EMPTY(dh)) {
e = STAILQ_FIRST(dh);
STAILQ_REMOVE_HEAD(dh, next);
free(e->name);
free(e->version);
free(e->origin);
free(e);
}
}
static int
fix_deps(struct pkgdb *db, struct deps_head *dh, int nbpkgs, bool yes)
{
struct pkg_jobs *jobs = NULL;
struct deps_entry *e = NULL;
char **pkgs = NULL;
int i = 0;
pkg_flags f = PKG_FLAG_AUTOMATIC;
assert(db != NULL);
assert(nbpkgs > 0);
if ((pkgs = calloc(nbpkgs, sizeof (char *))) == NULL)
err(1, "calloc()");
STAILQ_FOREACH(e, dh, next)
pkgs[i++] = e->origin;
if (pkgdb_open(&db, PKGDB_REMOTE) != EPKG_OK) {
free(pkgs);
return (EPKG_ENODB);
}
if (pkg_jobs_new(&jobs, PKG_JOBS_INSTALL, db) != EPKG_OK) {
free(pkgs);
return (EPKG_FATAL);
}
pkg_jobs_set_flags(jobs, f);
if (pkg_jobs_add(jobs, MATCH_EXACT, pkgs, nbpkgs) == EPKG_FATAL) {
pkg_jobs_free(jobs);
return (EPKG_FATAL);
}
if (pkg_jobs_solve(jobs) != EPKG_OK) {
pkg_jobs_free(jobs);
return (EPKG_FATAL);
}
if (pkg_jobs_count(jobs) == 0) {
printf("\nUnable to find packages for installation.\n\n");
pkg_jobs_free(jobs);
return (EPKG_FATAL);
}
/* print a summary before applying the jobs */
print_jobs_summary(jobs, "The following packages will be installed:\n\n");
if (!yes)
yes = query_yesno("\n>>> Try to fix the missing dependencies [y/N]: ");
if (yes) {
if (pkgdb_access(PKGDB_MODE_WRITE, PKGDB_DB_LOCAL) ==
EPKG_ENOACCESS) {
warnx("Insufficient privilege to modify package "
"database");
free(pkgs);
pkg_jobs_free(jobs);
return (EPKG_ENOACCESS);
}
pkg_jobs_apply(jobs);
}
free(pkgs);
pkg_jobs_free(jobs);
return (EPKG_OK);
}
static void
check_summary(struct pkgdb *db, struct deps_head *dh)
{
struct deps_entry *e = NULL;
struct pkg *pkg = NULL;
struct pkgdb_it *it = NULL;
bool fixed = true;
assert(db != NULL);
printf(">>> Summary of actions performed:\n\n");
STAILQ_FOREACH(e, dh, next) {
if ((it = pkgdb_query(db, e->origin, MATCH_EXACT)) == NULL)
return;
if (pkgdb_it_next(it, &pkg, PKG_LOAD_BASIC) != EPKG_OK) {
fixed = false;
printf("%s dependency failed to be fixed\n", e->origin);
} else
printf("%s dependency has been fixed\n", e->origin);
pkgdb_it_free(it);
}
if (fixed) {
printf("\n>>> Missing dependencies were fixed successfully.\n");
} else {
printf("\n>>> There are still missing dependencies.\n");
printf(">>> You are advised to try fixing them manually.\n");
printf("\n>>> Also make sure to check 'pkg updating' for known issues.\n");
}
pkg_free(pkg);
}
void
usage_check(void)
{
fprintf(stderr, "usage: pkg check [-Bdsr] [-vy] [-a | -gix <pattern>]\n\n");
fprintf(stderr, "For more information see 'pkg help check'.\n");
}
int
exec_check(int argc, char **argv)
{
struct pkg *pkg = NULL;
struct pkgdb_it *it = NULL;
struct pkgdb *db = NULL;
match_t match = MATCH_EXACT;
int flags = PKG_LOAD_BASIC;
int ret, rc = EX_OK;
int ch;
bool yes;
bool dcheck = false;
bool checksums = false;
bool recompute = false;
bool reanalyse_shlibs = false;
bool noinstall = false;
int nbpkgs = 0;
int i;
int verbose = 0;
pkg_config_bool(PKG_CONFIG_ASSUME_ALWAYS_YES, &yes);
struct deps_head dh = STAILQ_HEAD_INITIALIZER(dh);
while ((ch = getopt(argc, argv, "yagidnBxsrv")) != -1) {
switch (ch) {
case 'a':
match = MATCH_ALL;
break;
case 'B':
reanalyse_shlibs = true;
flags |= PKG_LOAD_FILES;
break;
case 'd':
dcheck = true;
flags |= PKG_LOAD_DEPS;
break;
case 'g':
match = MATCH_GLOB;
break;
case 'i':
pkgdb_set_case_sensitivity(false);
break;
case 'n':
noinstall = true;
break;
case 'r':
recompute = true;
flags |= PKG_LOAD_FILES;
break;
case 's':
checksums = true;
flags |= PKG_LOAD_FILES;
break;
case 'v':
verbose = 1;
break;
case 'x':
match = MATCH_REGEX;
break;
case 'y':
yes = true;
break;
default:
usage_check();
return (EX_USAGE);
}
}
argc -= optind;
argv += optind;
/* Default to all packages if no pkg provided */
if (argc == 0 && (dcheck || checksums || recompute || reanalyse_shlibs)) {
match = MATCH_ALL;
} else if ((argc == 0 && match != MATCH_ALL) || !(dcheck || checksums || recompute || reanalyse_shlibs)) {
usage_check();
return (EX_USAGE);
}
if (recompute || reanalyse_shlibs)
ret = pkgdb_access(PKGDB_MODE_READ|PKGDB_MODE_WRITE,
PKGDB_DB_LOCAL);
else
ret = pkgdb_access(PKGDB_MODE_READ, PKGDB_DB_LOCAL);
if (ret == EPKG_ENODB) {
warnx("No packages installed. Nothing to do!");
return (EX_OK);
} else if (ret == EPKG_ENOACCESS) {
warnx("Insufficient privilege to access package database");
return (EX_NOPERM);
} else if (ret != EPKG_OK) {
warnx("Error accessing package database");
return (EX_SOFTWARE);
}
ret = pkgdb_open(&db, PKGDB_DEFAULT);
if (ret != EPKG_OK)
return (EX_IOERR);
i = 0;
do {
if ((it = pkgdb_query(db, argv[i], match)) == NULL) {
pkgdb_close(db);
return (EX_IOERR);
}
while (pkgdb_it_next(it, &pkg, flags) == EPKG_OK) {
/* check for missing dependencies */
if (dcheck) {
if (verbose)
pkg_printf("Checking dependencies: %n\n", pkg);
nbpkgs += check_deps(db, pkg, &dh, noinstall);
if (noinstall && nbpkgs > 0) {
rc = EX_UNAVAILABLE;
}
}
if (checksums) {
if (verbose)
pkg_printf("Checking checksums: %n\n", pkg);
if (pkg_test_filesum(pkg) != EPKG_OK) {
rc = EX_DATAERR;
}
}
if (recompute) {
if (verbose)
pkg_printf("Recomputing size and checksums: %n\n", pkg);
if (pkg_recompute(db, pkg) != EPKG_OK) {
rc = EX_DATAERR;
}
}
if (reanalyse_shlibs) {
if (verbose)
pkg_printf("Reanalyzing files for shlibs: %n\n", pkg);
if (pkgdb_reanalyse_shlibs(db, pkg) != EPKG_OK) {
pkg_printf("Failed to reanalyse for shlibs: %n\n", pkg);
rc = EX_UNAVAILABLE;
}
}
}
if (dcheck && nbpkgs > 0 && !noinstall) {
printf("\n>>> Missing package dependencies were detected.\n");
printf(">>> Found %d issue(s) in total with your package database.\n\n", nbpkgs);
ret = fix_deps(db, &dh, nbpkgs, yes);
if (ret == EPKG_OK)
check_summary(db, &dh);
else if (ret == EPKG_ENODB) {
db = NULL;
return (EX_IOERR);
}
}
pkgdb_it_free(it);
i++;
} while (i < argc);
deps_free(&dh);
pkg_free(pkg);
pkgdb_close(db);
return (rc);
}