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/*
* dpkg - main program for package management
* enquiry.c - status enquiry and listing options
*
* Copyright © 1995,1996 Ian Jackson <ian@chiark.greenend.org.uk>
*
* This 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 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/>.
*/
/* FIXME: per-package audit. */
#include <config.h>
#include <compat.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/termios.h>
#include <assert.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <dpkg/i18n.h>
#include <dpkg/dpkg.h>
#include <dpkg/dpkg-db.h>
#include <dpkg/arch.h>
#include <dpkg/pkg-show.h>
#include <dpkg/options.h>
#include "filesdb.h"
#include "main.h"
struct badstatinfo {
bool (*yesno)(struct pkginfo *, const struct badstatinfo *bsi);
int value;
const char *explanation;
};
static bool
bsyn_reinstreq(struct pkginfo *pkg, const struct badstatinfo *bsi)
{
return pkg->eflag &= eflag_reinstreq;
}
static bool
bsyn_status(struct pkginfo *pkg, const struct badstatinfo *bsi)
{
if (pkg->eflag &= eflag_reinstreq)
return false;
return (int)pkg->status == bsi->value;
}
static const struct badstatinfo badstatinfos[]= {
{
.yesno = bsyn_reinstreq,
.value = 0,
.explanation = N_(
"The following packages are in a mess due to serious problems during\n"
"installation. They must be reinstalled for them (and any packages\n"
"that depend on them) to function properly:\n")
}, {
.yesno = bsyn_status,
.value = stat_unpacked,
.explanation = N_(
"The following packages have been unpacked but not yet configured.\n"
"They must be configured using dpkg --configure or the configure\n"
"menu option in dselect for them to work:\n")
}, {
.yesno = bsyn_status,
.value = stat_halfconfigured,
.explanation = N_(
"The following packages are only half configured, probably due to problems\n"
"configuring them the first time. The configuration should be retried using\n"
"dpkg --configure <package> or the configure menu option in dselect:\n")
}, {
.yesno = bsyn_status,
.value = stat_halfinstalled,
.explanation = N_(
"The following packages are only half installed, due to problems during\n"
"installation. The installation can probably be completed by retrying it;\n"
"the packages can be removed using dselect or dpkg --remove:\n")
}, {
.yesno = bsyn_status,
.value = stat_triggersawaited,
.explanation = N_(
"The following packages are awaiting processing of triggers that they\n"
"have activated in other packages. This processing can be requested using\n"
"dselect or dpkg --configure --pending (or dpkg --triggers-only):\n")
}, {
.yesno = bsyn_status,
.value = stat_triggerspending,
.explanation = N_(
"The following packages have been triggered, but the trigger processing\n"
"has not yet been done. Trigger processing can be requested using\n"
"dselect or dpkg --configure --pending (or dpkg --triggers-only):\n")
}, {
.yesno = NULL
}
};
static void describebriefly(struct pkginfo *pkg) {
int maxl, l;
const char *pdesc;
maxl= 57;
l= strlen(pkg->set->name);
if (l>20) maxl -= (l-20);
pdesc = pkg_summary(pkg, &l);
l = min(l, maxl);
printf(" %-20s %.*s\n", pkg->set->name, l, pdesc);
}
int
audit(const char *const *argv)
{
const struct badstatinfo *bsi;
bool head_running = false;
if (*argv)
badusage(_("--%s takes no arguments"), cipaction->olong);
modstatdb_open(msdbrw_readonly);
for (bsi= badstatinfos; bsi->yesno; bsi++) {
struct pkgiterator *it;
struct pkginfo *pkg;
bool head = false;
it = pkg_db_iter_new();
while ((pkg = pkg_db_iter_next_pkg(it))) {
if (!bsi->yesno(pkg,bsi)) continue;
if (!head_running) {
if (modstatdb_is_locked())
puts(_(
"Another process has locked the database for writing, and might currently be\n"
"modifying it, some of the following problems might just be due to that.\n"));
head_running = true;
}
if (!head) {
fputs(gettext(bsi->explanation),stdout);
head = true;
}
describebriefly(pkg);
}
pkg_db_iter_free(it);
if (head) putchar('\n');
}
m_output(stdout, _("<standard output>"));
return 0;
}
struct sectionentry {
struct sectionentry *next;
const char *name;
int count;
};
static bool
yettobeunpacked(struct pkginfo *pkg, const char **thissect)
{
if (pkg->want != want_install)
return false;
switch (pkg->status) {
case stat_unpacked: case stat_installed: case stat_halfconfigured:
case stat_triggerspending:
case stat_triggersawaited:
return false;
case stat_notinstalled: case stat_halfinstalled: case stat_configfiles:
if (thissect)
*thissect = pkg->section && *pkg->section ? pkg->section :
C_("section", "<unknown>");
return true;
default:
internerr("unknown package status '%d'", pkg->status);
}
return false;
}
int
unpackchk(const char *const *argv)
{
int totalcount, sects;
struct sectionentry *sectionentries, *se, **sep;
struct pkgiterator *it;
struct pkginfo *pkg;
const char *thissect;
char buf[20];
int width;
if (*argv)
badusage(_("--%s takes no arguments"), cipaction->olong);
modstatdb_open(msdbrw_readonly);
totalcount= 0;
sectionentries = NULL;
sects= 0;
it = pkg_db_iter_new();
while ((pkg = pkg_db_iter_next_pkg(it))) {
if (!yettobeunpacked(pkg, &thissect)) continue;
for (se= sectionentries; se && strcasecmp(thissect,se->name); se= se->next);
if (!se) {
se= nfmalloc(sizeof(struct sectionentry));
for (sep= §ionentries;
*sep && strcasecmp(thissect,(*sep)->name) > 0;
sep= &(*sep)->next);
se->name= thissect;
se->count= 0;
se->next= *sep;
*sep= se;
sects++;
}
se->count++; totalcount++;
}
pkg_db_iter_free(it);
if (totalcount == 0)
return 0;
if (totalcount <= 12) {
it = pkg_db_iter_new();
while ((pkg = pkg_db_iter_next_pkg(it))) {
if (!yettobeunpacked(pkg, NULL))
continue;
describebriefly(pkg);
}
pkg_db_iter_free(it);
} else if (sects <= 12) {
for (se= sectionentries; se; se= se->next) {
sprintf(buf,"%d",se->count);
printf(_(" %d in %s: "),se->count,se->name);
width= 70-strlen(se->name)-strlen(buf);
while (width > 59) { putchar(' '); width--; }
it = pkg_db_iter_new();
while ((pkg = pkg_db_iter_next_pkg(it))) {
if (!yettobeunpacked(pkg,&thissect)) continue;
if (strcasecmp(thissect,se->name)) continue;
width -= strlen(pkg->set->name);
width--;
if (width < 4) { printf(" ..."); break; }
printf(" %s", pkg->set->name);
}
pkg_db_iter_free(it);
putchar('\n');
}
} else {
printf(P_(" %d package, from the following section:",
" %d packages, from the following sections:", totalcount),
totalcount);
width= 0;
for (se= sectionentries; se; se= se->next) {
sprintf(buf,"%d",se->count);
width -= (6 + strlen(se->name) + strlen(buf));
if (width < 0) { putchar('\n'); width= 73 - strlen(se->name) - strlen(buf); }
printf(" %s (%d)",se->name,se->count);
}
putchar('\n');
}
m_output(stdout, _("<standard output>"));
return 0;
}
static int
assert_version_support(const char *const *argv,
struct versionrevision *version,
const char *feature_name)
{
struct pkginfo *pkg;
if (*argv)
badusage(_("--%s takes no arguments"), cipaction->olong);
modstatdb_open(msdbrw_readonly);
pkg = pkg_db_find_pkg("dpkg", NULL);
switch (pkg->status) {
case stat_installed:
case stat_triggerspending:
return 0;
case stat_unpacked: case stat_halfconfigured: case stat_halfinstalled:
case stat_triggersawaited:
if (versionsatisfied3(&pkg->configversion, version, dvr_laterequal))
return 0;
printf(_("Version of dpkg with working %s support not yet configured.\n"
" Please use 'dpkg --configure dpkg', and then try again.\n"),
feature_name);
return 1;
default:
printf(_("dpkg not recorded as installed, cannot check for %s support!\n"),
feature_name);
return 1;
}
}
int
assertpredep(const char *const *argv)
{
struct versionrevision version = { 0, "1.1.0", NULL };
return assert_version_support(argv, &version, _("Pre-Depends field"));
}
int
assertepoch(const char *const *argv)
{
struct versionrevision version = { 0, "1.4.0.7", NULL };
return assert_version_support(argv, &version, _("epoch"));
}
int
assertlongfilenames(const char *const *argv)
{
struct versionrevision version = { 0, "1.4.1.17", NULL };
return assert_version_support(argv, &version, _("long filenames"));
}
int
assertmulticonrep(const char *const *argv)
{
struct versionrevision version = { 0, "1.4.1.19", NULL };
return assert_version_support(argv, &version,
_("multiple Conflicts and Replaces"));
}
/**
* Print a single package which:
* (a) is the target of one or more relevant predependencies.
* (b) has itself no unsatisfied pre-dependencies.
*
* If such a package is present output is the Packages file entry,
* which can be massaged as appropriate.
*
* Exit status:
* 0 = a package printed, OK
* 1 = no suitable package available
* 2 = error
*/
int
predeppackage(const char *const *argv)
{
static struct varbuf vb;
struct pkgiterator *it;
struct pkginfo *pkg = NULL, *startpkg, *trypkg;
struct dependency *dep;
struct deppossi *possi, *provider;
if (*argv)
badusage(_("--%s takes no arguments"), cipaction->olong);
modstatdb_open(msdbrw_readonly | msdbrw_available_readonly);
/* We use clientdata->istobe to detect loops. */
clear_istobes();
dep = NULL;
it = pkg_db_iter_new();
while (!dep && (pkg = pkg_db_iter_next_pkg(it))) {
/* Ignore packages user doesn't want. */
if (pkg->want != want_install)
continue;
/* Ignore packages not available. */
if (!pkg->files)
continue;
pkg->clientdata->istobe= itb_preinstall;
for (dep= pkg->available.depends; dep; dep= dep->next) {
if (dep->type != dep_predepends) continue;
if (depisok(dep, &vb, NULL, NULL, true))
continue;
/* This will leave dep non-NULL, and so exit the loop. */
break;
}
pkg->clientdata->istobe= itb_normal;
/* If dep is NULL we go and get the next package. */
}
pkg_db_iter_free(it);
if (!dep)
return 1; /* Not found. */
assert(pkg);
startpkg= pkg;
pkg->clientdata->istobe= itb_preinstall;
/* OK, we have found an unsatisfied predependency.
* Now go and find the first thing we need to install, as a first step
* towards satisfying it. */
do {
/* We search for a package which would satisfy dep, and put it in pkg. */
for (possi = dep->list, pkg = NULL;
!pkg && possi;
possi=possi->next) {
trypkg = &possi->ed->pkg;
if (trypkg->files && versionsatisfied(&trypkg->available,possi)) {
if (trypkg->clientdata->istobe == itb_normal) { pkg= trypkg; break; }
}
if (possi->verrel != dvr_none) continue;
for (provider = possi->ed->depended.available;
!pkg && provider;
provider=provider->next) {
if (provider->up->type != dep_provides) continue;
trypkg= provider->up->up;
if (!trypkg->files)
continue;
if (trypkg->clientdata->istobe == itb_normal) { pkg= trypkg; break; }
}
}
if (!pkg) {
varbuf_reset(&vb);
describedepcon(&vb,dep);
varbuf_end_str(&vb);
fprintf(stderr, _("dpkg: cannot see how to satisfy pre-dependency:\n %s\n"),vb.buf);
ohshit(_("cannot satisfy pre-dependencies for %.250s (wanted due to %.250s)"),
dep->up->set->name, startpkg->set->name);
}
pkg->clientdata->istobe= itb_preinstall;
for (dep= pkg->available.depends; dep; dep= dep->next) {
if (dep->type != dep_predepends) continue;
if (depisok(dep, &vb, NULL, NULL, true))
continue;
/* This will leave dep non-NULL, and so exit the loop. */
break;
}
} while (dep);
/* OK, we've found it - pkg has no unsatisfied pre-dependencies! */
writerecord(stdout, _("<standard output>"), pkg, &pkg->available);
m_output(stdout, _("<standard output>"));
return 0;
}
int
printarch(const char *const *argv)
{
if (*argv)
badusage(_("--%s takes no arguments"), cipaction->olong);
printf("%s\n", dpkg_arch_get_native()->name);
m_output(stdout, _("<standard output>"));
return 0;
}
int
printinstarch(const char *const *argv)
{
warning(_("obsolete option '--%s', please use '--%s' instead."),
"print-installation-architecture", "print-architecture");
return printarch(argv);
}
int
print_foreign_arches(const char *const *argv)
{
struct dpkg_arch *arch;
if (*argv)
badusage(_("--%s takes no arguments"), cipaction->olong);
for (arch = dpkg_arch_get_list(); arch; arch = arch->next) {
if (arch->type != arch_foreign)
continue;
printf("%s\n", arch->name);
}
m_output(stdout, _("<standard output>"));
return 0;
}
int
cmpversions(const char *const *argv)
{
struct relationinfo {
const char *string;
/* These values are exit status codes, so 0 = true, 1 = false. */
int if_lesser, if_equal, if_greater;
int if_none_a, if_none_both, if_none_b;
};
static const struct relationinfo relationinfos[]= {
/* < = > !a!2!b */
{ "le", 0,0,1, 0,0,1 },
{ "lt", 0,1,1, 0,1,1 },
{ "eq", 1,0,1, 1,0,1 },
{ "ne", 0,1,0, 0,1,0 },
{ "ge", 1,0,0, 1,0,0 },
{ "gt", 1,1,0, 1,1,0 },
/* These treat an empty version as later than any version. */
{ "le-nl", 0,0,1, 1,0,0 },
{ "lt-nl", 0,1,1, 1,1,0 },
{ "ge-nl", 1,0,0, 0,0,1 },
{ "gt-nl", 1,1,0, 0,1,1 },
/* For compatibility with dpkg control file syntax. */
{ "<", 0,0,1, 0,0,1 },
{ "<=", 0,0,1, 0,0,1 },
{ "<<", 0,1,1, 0,1,1 },
{ "=", 1,0,1, 1,0,1 },
{ ">", 1,0,0, 1,0,0 },
{ ">=", 1,0,0, 1,0,0 },
{ ">>", 1,1,0, 1,1,0 },
{ NULL }
};
const struct relationinfo *rip;
struct versionrevision a, b;
struct dpkg_error err;
int r;
if (!argv[0] || !argv[1] || !argv[2] || argv[3])
badusage(_("--compare-versions takes three arguments:"
" <version> <relation> <version>"));
for (rip=relationinfos; rip->string && strcmp(rip->string,argv[1]); rip++);
if (!rip->string) badusage(_("--compare-versions bad relation"));
if (*argv[0] && strcmp(argv[0],"<unknown>")) {
if (parseversion(&a, argv[0], &err) < 0) {
if (err.type == DPKG_MSG_WARN)
warning(_("version '%s' has bad syntax: %s"), argv[0], err.str);
else
ohshit(_("version '%s' has bad syntax: %s"), argv[0], err.str);
dpkg_error_destroy(&err);
}
} else {
blankversion(&a);
}
if (*argv[2] && strcmp(argv[2],"<unknown>")) {
if (parseversion(&b, argv[2], &err) < 0) {
if (err.type == DPKG_MSG_WARN)
warning(_("version '%s' has bad syntax: %s"), argv[2], err.str);
else
ohshit(_("version '%s' has bad syntax: %s"), argv[2], err.str);
dpkg_error_destroy(&err);
}
} else {
blankversion(&b);
}
if (!informativeversion(&a)) {
return informativeversion(&b) ? rip->if_none_a : rip->if_none_both;
} else if (!informativeversion(&b)) {
return rip->if_none_b;
}
r= versioncompare(&a,&b);
debug(dbg_general,"cmpversions a=`%s' b=`%s' r=%d",
versiondescribe(&a,vdew_always),
versiondescribe(&b,vdew_always),
r);
if (r > 0)
return rip->if_greater;
else if (r < 0)
return rip->if_lesser;
else
return rip->if_equal;
}
|