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/*
* dpkg - main program for package management
* cleanup.c - cleanup functions, used when we need to unwind
*
* Copyright (C) 1995 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,
* 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 dpkg; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <config.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <utime.h>
#include <assert.h>
#include <time.h>
#include <ctype.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <dpkg.h>
#include <dpkg-db.h>
#include <tarfn.h>
#include <myopt.h>
#include "filesdb.h"
#include "main.h"
#include "archives.h"
int cleanup_pkg_failed=0, cleanup_conflictor_failed=0;
void cu_installnew(int argc, void **argv) {
/* Something went wrong and we're undoing.
* We have the following possible situations for non-conffiles:
* <foo>.dpkg-tmp exists - in this case we want to remove
* <foo> if it exists and replace it with <foo>.dpkg-tmp.
* This undoes the backup operation.
* <foo>.dpkg-tmp does not exist - <foo> may be on the disk,
* as a new file which didn't fail, remove it if it is.
* In both cases, we also make sure we delete <foo>.dpkg-new in
* case that's still hanging around.
* For conffiles, we simply delete <foo>.dpkg-new. For these,
* <foo>.dpkg-tmp shouldn't exist, as we don't make a backup
* at this stage. Just to be on the safe side, though, we don't
* look for it.
*/
struct fileinlist *nifd= (struct fileinlist*)argv[0];
struct filenamenode *namenode;
struct stat stab;
cleanup_pkg_failed++; cleanup_conflictor_failed++;
namenode= nifd->namenode;
debug(dbg_eachfile,"cu_installnew `%s' flags=%o",namenode->name,namenode->flags);
setupfnamevbs(namenode->name);
if (!(namenode->flags & fnnf_new_conff) && !lstat(fnametmpvb.buf,&stab)) {
/* OK, <foo>.dpkg-tmp exists. Remove <foo> and
* restore <foo>.dpkg-tmp ...
*/
if (namenode->flags & fnnf_no_atomic_overwrite) {
/* If we can't do an atomic overwrite we have to delete first any
* link to the new version we may have created.
*/
debug(dbg_eachfiledetail,"cu_installnew restoring nonatomic");
if (unlinkorrmdir(fnamevb.buf) && errno != ENOENT && errno != ENOTDIR)
ohshite(_("unable to remove newly-installed version of `%.250s' to allow"
" reinstallation of backup copy"),namenode->name);
} else {
debug(dbg_eachfiledetail,"cu_installnew restoring atomic");
}
/* Either we can do an atomic restore, or we've made room: */
if (rename(fnametmpvb.buf,fnamevb.buf))
ohshite(_("unable to restore backup version of `%.250s'"),namenode->name);
} else if (namenode->flags & fnnf_placed_on_disk) {
debug(dbg_eachfiledetail,"cu_installnew removing new file");
if (unlinkorrmdir(fnamevb.buf) && errno != ENOENT && errno != ENOTDIR)
ohshite(_("unable to remove newly-installed version of `%.250s'"),
namenode->name);
} else {
debug(dbg_eachfiledetail,"cu_installnew not restoring");
}
/* Whatever, we delete <foo>.dpkg-new now, if it still exists. */
if (unlinkorrmdir(fnamenewvb.buf) && errno != ENOENT && errno != ENOTDIR)
ohshite(_("unable to remove newly-extracted version of `%.250s'"),namenode->name);
cleanup_pkg_failed--; cleanup_conflictor_failed--;
}
void cu_prermupgrade(int argc, void **argv) {
struct pkginfo *pkg= (struct pkginfo*)argv[0];
if (cleanup_pkg_failed++) return;
maintainer_script_postinst(pkg, "abort-upgrade",
versiondescribe(&pkg->available.version,
vdew_nonambig),
NULL);
pkg->eflag &= ~eflagf_reinstreq;
post_postinst_tasks(pkg, stat_installed);
cleanup_pkg_failed--;
}
void ok_prermdeconfigure(int argc, void **argv) {
struct pkginfo *deconf= (struct pkginfo*)argv[0];
/* also has conflictor in argv[1] and infavour in argv[2].
* conflictor may be 0 if deconfigure was due to Breaks */
if (cipaction->arg == act_install)
add_to_queue(deconf);
}
void cu_prermdeconfigure(int argc, void **argv) {
struct pkginfo *deconf= (struct pkginfo*)argv[0];
struct pkginfo *conflictor= (struct pkginfo*)argv[1]; /* may be 0 */
struct pkginfo *infavour= (struct pkginfo*)argv[2];
if (conflictor) {
maintainer_script_postinst(deconf, "abort-deconfigure",
"in-favour", infavour->name,
versiondescribe(&infavour->available.version,
vdew_nonambig),
"removing", conflictor->name,
versiondescribe(&conflictor->installed.version,
vdew_nonambig),
NULL);
} else {
maintainer_script_postinst(deconf, "abort-deconfigure",
"in-favour", infavour->name,
versiondescribe(&infavour->available.version,
vdew_nonambig),
NULL);
}
post_postinst_tasks(deconf, stat_installed);
}
void cu_prerminfavour(int argc, void **argv) {
struct pkginfo *conflictor= (struct pkginfo*)argv[0];
struct pkginfo *infavour= (struct pkginfo*)argv[1];
if (cleanup_conflictor_failed++) return;
maintainer_script_postinst(conflictor, "abort-remove",
"in-favour", infavour->name,
versiondescribe(&infavour->available.version,
vdew_nonambig),
NULL);
conflictor->eflag &= ~eflagf_reinstreq;
post_postinst_tasks(conflictor, stat_installed);
cleanup_conflictor_failed--;
}
void cu_preinstverynew(int argc, void **argv) {
struct pkginfo *pkg= (struct pkginfo*)argv[0];
char *cidir= (char*)argv[1];
char *cidirrest= (char*)argv[2];
if (cleanup_pkg_failed++) return;
maintainer_script_new(pkg->name, POSTRMFILE,"post-removal",cidir,cidirrest,
"abort-install", NULL);
pkg->status= stat_notinstalled;
pkg->eflag &= ~eflagf_reinstreq;
blankpackageperfile(&pkg->installed);
modstatdb_note(pkg);
cleanup_pkg_failed--;
}
void cu_preinstnew(int argc, void **argv) {
struct pkginfo *pkg= (struct pkginfo*)argv[0];
char *cidir= (char*)argv[1];
char *cidirrest= (char*)argv[2];
if (cleanup_pkg_failed++) return;
maintainer_script_new(pkg->name, POSTRMFILE,"post-removal",cidir,cidirrest,
"abort-install", versiondescribe(&pkg->installed.version,
vdew_nonambig),
NULL);
pkg->status= stat_configfiles;
pkg->eflag &= ~eflagf_reinstreq;
modstatdb_note(pkg);
cleanup_pkg_failed--;
}
void cu_preinstupgrade(int argc, void **argv) {
struct pkginfo *pkg= (struct pkginfo*)argv[0];
char *cidir= (char*)argv[1];
char *cidirrest= (char*)argv[2];
enum pkgstatus *oldstatusp= (enum pkgstatus*)argv[3];
if (cleanup_pkg_failed++) return;
maintainer_script_new(pkg->name, POSTRMFILE,"post-removal",cidir,cidirrest,
"abort-upgrade",
versiondescribe(&pkg->installed.version,
vdew_nonambig),
NULL);
pkg->status= *oldstatusp;
pkg->eflag &= ~eflagf_reinstreq;
modstatdb_note(pkg);
cleanup_pkg_failed--;
}
void cu_postrmupgrade(int argc, void **argv) {
struct pkginfo *pkg= (struct pkginfo*)argv[0];
if (cleanup_pkg_failed++) return;
maintainer_script_installed(pkg,PREINSTFILE,"pre-installation",
"abort-upgrade", versiondescribe(&pkg->available.version,
vdew_nonambig),
NULL);
cleanup_pkg_failed--;
}
void cu_prermremove(int argc, void **argv) {
struct pkginfo *pkg= (struct pkginfo*)argv[0];
enum pkgstatus *oldpkgstatus= (enum pkgstatus*)argv[1];
if (cleanup_pkg_failed++) return;
maintainer_script_postinst(pkg, "abort-remove", NULL);
pkg->eflag &= ~eflagf_reinstreq;
post_postinst_tasks(pkg, *oldpkgstatus);
cleanup_pkg_failed--;
}
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