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-rw-r--r--src/remove.c692
1 files changed, 692 insertions, 0 deletions
diff --git a/src/remove.c b/src/remove.c
new file mode 100644
index 0000000..38657ba
--- /dev/null
+++ b/src/remove.c
@@ -0,0 +1,692 @@
+/*
+ * dpkg - main program for package management
+ * remove.c - functionality for removing packages
+ *
+ * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ * Copyright © 2007-2015 Guillem Jover <guillem@debian.org>
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <compat.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <errno.h>
+#include <string.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <dpkg/i18n.h>
+#include <dpkg/c-ctype.h>
+#include <dpkg/dpkg.h>
+#include <dpkg/dpkg-db.h>
+#include <dpkg/pkg.h>
+#include <dpkg/path.h>
+#include <dpkg/dir.h>
+#include <dpkg/options.h>
+#include <dpkg/triglib.h>
+#include <dpkg/db-ctrl.h>
+#include <dpkg/db-fsys.h>
+
+#include "main.h"
+
+/*
+ * pkgdepcheck may be a virtual pkg.
+ */
+static void checkforremoval(struct pkginfo *pkgtoremove,
+ struct pkgset *pkgdepcheck,
+ enum dep_check *rokp, struct varbuf *raemsgs)
+{
+ struct deppossi *possi;
+ struct pkginfo *depender;
+ enum dep_check ok;
+ struct varbuf_state raemsgs_state;
+
+ for (possi = pkgdepcheck->depended.installed; possi; possi = possi->rev_next) {
+ if (possi->up->type != dep_depends && possi->up->type != dep_predepends) continue;
+ depender= possi->up->up;
+ debug(dbg_depcon, "checking depending package '%s'",
+ pkg_name(depender, pnaw_always));
+ if (depender->status < PKG_STAT_UNPACKED)
+ continue;
+ if (ignore_depends(depender)) {
+ debug(dbg_depcon, "ignoring depending package '%s'",
+ pkg_name(depender, pnaw_always));
+ continue;
+ }
+ if (dependtry >= DEPEND_TRY_CYCLES) {
+ if (findbreakcycle(pkgtoremove))
+ sincenothing = 0;
+ }
+ varbuf_snapshot(raemsgs, &raemsgs_state);
+ ok= dependencies_ok(depender,pkgtoremove,raemsgs);
+ if (ok == DEP_CHECK_HALT &&
+ depender->clientdata &&
+ depender->clientdata->istobe == PKG_ISTOBE_REMOVE)
+ ok = DEP_CHECK_DEFER;
+ if (ok == DEP_CHECK_DEFER)
+ /* Don't burble about reasons for deferral. */
+ varbuf_rollback(raemsgs, &raemsgs_state);
+ if (ok < *rokp) *rokp= ok;
+ }
+}
+
+void deferred_remove(struct pkginfo *pkg) {
+ struct varbuf raemsgs = VARBUF_INIT;
+ struct dependency *dep;
+ enum dep_check rok;
+
+ debug(dbg_general, "deferred_remove package %s",
+ pkg_name(pkg, pnaw_always));
+
+ if (!f_pending && pkg->want != PKG_WANT_UNKNOWN) {
+ if (cipaction->arg_int == act_purge)
+ pkg_set_want(pkg, PKG_WANT_PURGE);
+ else
+ pkg_set_want(pkg, PKG_WANT_DEINSTALL);
+
+ if (!f_noact)
+ modstatdb_note(pkg);
+ }
+
+ ensure_package_clientdata(pkg);
+
+ if (pkg->status == PKG_STAT_NOTINSTALLED) {
+ sincenothing = 0;
+ warning(_("ignoring request to remove %.250s which isn't installed"),
+ pkg_name(pkg, pnaw_nonambig));
+ pkg->clientdata->istobe = PKG_ISTOBE_NORMAL;
+ return;
+ } else if (!f_pending &&
+ pkg->status == PKG_STAT_CONFIGFILES &&
+ cipaction->arg_int != act_purge) {
+ sincenothing = 0;
+ warning(_("ignoring request to remove %.250s, only the config\n"
+ " files of which are on the system; use --purge to remove them too"),
+ pkg_name(pkg, pnaw_nonambig));
+ pkg->clientdata->istobe = PKG_ISTOBE_NORMAL;
+ return;
+ }
+
+ if (pkg->status != PKG_STAT_CONFIGFILES) {
+ if (pkg->installed.essential)
+ forcibleerr(FORCE_REMOVE_ESSENTIAL,
+ _("this is an essential package; it should not be removed"));
+ if (pkg->installed.is_protected)
+ forcibleerr(FORCE_REMOVE_PROTECTED,
+ _("this is a protected package; it should not be removed"));
+ }
+
+ debug(dbg_general, "checking dependencies for remove '%s'",
+ pkg_name(pkg, pnaw_always));
+ rok = DEP_CHECK_OK;
+ checkforremoval(pkg, pkg->set, &rok, &raemsgs);
+ for (dep= pkg->installed.depends; dep; dep= dep->next) {
+ if (dep->type != dep_provides) continue;
+ debug(dbg_depcon, "checking virtual package '%s'", dep->list->ed->name);
+ checkforremoval(pkg, dep->list->ed, &rok, &raemsgs);
+ }
+
+ if (rok == DEP_CHECK_DEFER) {
+ varbuf_destroy(&raemsgs);
+ pkg->clientdata->istobe = PKG_ISTOBE_REMOVE;
+ enqueue_package(pkg);
+ return;
+ } else if (rok == DEP_CHECK_HALT) {
+ sincenothing= 0;
+ varbuf_end_str(&raemsgs);
+ notice(_("dependency problems prevent removal of %s:\n%s"),
+ pkg_name(pkg, pnaw_nonambig), raemsgs.buf);
+ ohshit(_("dependency problems - not removing"));
+ } else if (raemsgs.used) {
+ varbuf_end_str(&raemsgs);
+ notice(_("%s: dependency problems, but removing anyway as you requested:\n%s"),
+ pkg_name(pkg, pnaw_nonambig), raemsgs.buf);
+ }
+ varbuf_destroy(&raemsgs);
+ sincenothing= 0;
+
+ if (pkg->eflag & PKG_EFLAG_REINSTREQ)
+ forcibleerr(FORCE_REMOVE_REINSTREQ,
+ _("package is in a very bad inconsistent state; you should\n"
+ " reinstall it before attempting a removal"));
+
+ ensure_allinstfiles_available();
+ fsys_hash_init();
+
+ if (f_noact) {
+ printf(_("Would remove or purge %s (%s) ...\n"),
+ pkg_name(pkg, pnaw_nonambig),
+ versiondescribe(&pkg->installed.version, vdew_nonambig));
+ pkg_set_status(pkg, PKG_STAT_NOTINSTALLED);
+ pkg->clientdata->istobe = PKG_ISTOBE_NORMAL;
+ return;
+ }
+
+ pkg_conffiles_mark_old(pkg);
+
+ /* Only print and log removal action once. This avoids duplication when
+ * using --remove and --purge in sequence. */
+ if (pkg->status > PKG_STAT_CONFIGFILES) {
+ printf(_("Removing %s (%s) ...\n"), pkg_name(pkg, pnaw_nonambig),
+ versiondescribe(&pkg->installed.version, vdew_nonambig));
+ log_action("remove", pkg, &pkg->installed);
+ }
+
+ trig_activate_packageprocessing(pkg);
+ if (pkg->status >= PKG_STAT_HALFCONFIGURED) {
+ static enum pkgstatus oldpkgstatus;
+
+ oldpkgstatus= pkg->status;
+ pkg_set_status(pkg, PKG_STAT_HALFCONFIGURED);
+ modstatdb_note(pkg);
+ push_cleanup(cu_prermremove, ~ehflag_normaltidy, 2,
+ (void *)pkg, (void *)&oldpkgstatus);
+ maintscript_installed(pkg, PRERMFILE, "pre-removal", "remove", NULL);
+
+ /* Will turn into ‘half-installed’ soon ... */
+ pkg_set_status(pkg, PKG_STAT_UNPACKED);
+ }
+
+ removal_bulk(pkg);
+}
+
+static void
+push_leftover(struct fsys_namenode_list **leftoverp,
+ struct fsys_namenode *namenode)
+{
+ struct fsys_namenode_list *newentry;
+
+ newentry = nfmalloc(sizeof(*newentry));
+ newentry->next= *leftoverp;
+ newentry->namenode= namenode;
+ *leftoverp= newentry;
+}
+
+static void
+removal_bulk_remove_file(const char *filename, const char *filetype)
+{
+ /* We need the postrm and list files for --purge. */
+ if (strcmp(filetype, LISTFILE) == 0 ||
+ strcmp(filetype, POSTRMFILE) == 0)
+ return;
+
+ debug(dbg_stupidlyverbose, "removal_bulk info not postrm or list");
+
+ if (unlink(filename))
+ ohshite(_("unable to delete control info file '%.250s'"), filename);
+
+ debug(dbg_scripts, "removal_bulk info unlinked %s", filename);
+}
+
+static bool
+removal_bulk_file_is_shared(struct pkginfo *pkg, struct fsys_namenode *namenode)
+{
+ struct fsys_node_pkgs_iter *iter;
+ struct pkginfo *otherpkg;
+ bool shared = false;
+
+ if (pkgset_installed_instances(pkg->set) <= 1)
+ return false;
+
+ iter = fsys_node_pkgs_iter_new(namenode);
+ while ((otherpkg = fsys_node_pkgs_iter_next(iter))) {
+ if (otherpkg == pkg)
+ continue;
+ if (otherpkg->set != pkg->set)
+ continue;
+
+ debug(dbg_eachfiledetail, "removal_bulk file shared with %s, skipping",
+ pkg_name(otherpkg, pnaw_always));
+ shared = true;
+ break;
+ }
+ fsys_node_pkgs_iter_free(iter);
+
+ return shared;
+}
+
+static void
+removal_bulk_remove_files(struct pkginfo *pkg)
+{
+ struct fsys_hash_rev_iter rev_iter;
+ struct fsys_namenode_list *leftover;
+ struct fsys_namenode *namenode;
+ static struct varbuf fnvb;
+ struct varbuf_state fnvb_state;
+ struct stat stab;
+
+ pkg_set_status(pkg, PKG_STAT_HALFINSTALLED);
+ modstatdb_note(pkg);
+ push_checkpoint(~ehflag_bombout, ehflag_normaltidy);
+
+ fsys_hash_rev_iter_init(&rev_iter, pkg->files);
+ leftover = NULL;
+ while ((namenode = fsys_hash_rev_iter_next(&rev_iter))) {
+ struct fsys_namenode *usenode;
+ bool is_dir;
+
+ debug(dbg_eachfile, "removal_bulk '%s' flags=%o",
+ namenode->name, namenode->flags);
+
+ usenode = namenodetouse(namenode, pkg, &pkg->installed);
+
+ varbuf_reset(&fnvb);
+ varbuf_add_str(&fnvb, instdir);
+ varbuf_add_str(&fnvb, usenode->name);
+ varbuf_end_str(&fnvb);
+ varbuf_snapshot(&fnvb, &fnvb_state);
+
+ is_dir = stat(fnvb.buf, &stab) == 0 && S_ISDIR(stab.st_mode);
+
+ /* A pkgset can share files between its instances that we
+ * don't want to remove, we just want to forget them. This
+ * applies to shared conffiles too. */
+ if (!is_dir && removal_bulk_file_is_shared(pkg, namenode))
+ continue;
+
+ /* Non-shared conffiles are kept. */
+ if (namenode->flags & FNNF_OLD_CONFF) {
+ push_leftover(&leftover, namenode);
+ continue;
+ }
+
+ if (is_dir) {
+ debug(dbg_eachfiledetail, "removal_bulk is a directory");
+ /* Only delete a directory or a link to one if we're the only
+ * package which uses it. Other files should only be listed
+ * in this package (but we don't check). */
+ if (dir_has_conffiles(namenode, pkg)) {
+ push_leftover(&leftover,namenode);
+ continue;
+ }
+ if (dir_is_used_by_pkg(namenode, pkg, leftover)) {
+ push_leftover(&leftover, namenode);
+ continue;
+ }
+ if (dir_is_used_by_others(namenode, pkg))
+ continue;
+
+ if (strcmp(usenode->name, "/.") == 0) {
+ debug(dbg_eachfiledetail,
+ "removal_bulk '%s' root directory, cannot remove", fnvb.buf);
+ push_leftover(&leftover, namenode);
+ continue;
+ }
+ }
+
+ trig_path_activate(usenode, pkg);
+
+ varbuf_rollback(&fnvb, &fnvb_state);
+ varbuf_add_str(&fnvb, DPKGTEMPEXT);
+ varbuf_end_str(&fnvb);
+ debug(dbg_eachfiledetail, "removal_bulk cleaning temp '%s'", fnvb.buf);
+ path_remove_tree(fnvb.buf);
+
+ varbuf_rollback(&fnvb, &fnvb_state);
+ varbuf_add_str(&fnvb, DPKGNEWEXT);
+ varbuf_end_str(&fnvb);
+ debug(dbg_eachfiledetail, "removal_bulk cleaning new '%s'", fnvb.buf);
+ path_remove_tree(fnvb.buf);
+
+ varbuf_rollback(&fnvb, &fnvb_state);
+ varbuf_end_str(&fnvb);
+
+ debug(dbg_eachfiledetail, "removal_bulk removing '%s'", fnvb.buf);
+ if (!rmdir(fnvb.buf) || errno == ENOENT || errno == ELOOP) continue;
+ if (errno == ENOTEMPTY || errno == EEXIST) {
+ debug(dbg_eachfiledetail,
+ "removal_bulk '%s' was not empty, will try again later",
+ fnvb.buf);
+ push_leftover(&leftover,namenode);
+ continue;
+ } else if (errno == EBUSY || errno == EPERM) {
+ warning(_("while removing %.250s, unable to remove directory '%.250s': "
+ "%s - directory may be a mount point?"),
+ pkg_name(pkg, pnaw_nonambig), namenode->name, strerror(errno));
+ push_leftover(&leftover,namenode);
+ continue;
+ }
+ if (errno != ENOTDIR)
+ ohshite(_("cannot remove '%.250s'"), fnvb.buf);
+ debug(dbg_eachfiledetail, "removal_bulk unlinking '%s'", fnvb.buf);
+ if (secure_unlink(fnvb.buf))
+ ohshite(_("unable to securely remove '%.250s'"), fnvb.buf);
+ }
+ write_filelist_except(pkg, &pkg->installed, leftover, 0);
+ maintscript_installed(pkg, POSTRMFILE, "post-removal", "remove", NULL);
+
+ trig_parse_ci(pkg_infodb_get_file(pkg, &pkg->installed, TRIGGERSCIFILE),
+ trig_cicb_interest_delete, NULL, pkg, &pkg->installed);
+ trig_file_interests_save();
+
+ debug(dbg_general, "removal_bulk cleaning info directory");
+ pkg_infodb_foreach(pkg, &pkg->installed, removal_bulk_remove_file);
+ dir_sync_path(pkg_infodb_get_dir());
+
+ pkg_set_status(pkg, PKG_STAT_CONFIGFILES);
+ pkg->installed.essential = false;
+ pkg->installed.is_protected = false;
+ modstatdb_note(pkg);
+ push_checkpoint(~ehflag_bombout, ehflag_normaltidy);
+}
+
+static void removal_bulk_remove_leftover_dirs(struct pkginfo *pkg) {
+ struct fsys_hash_rev_iter rev_iter;
+ struct fsys_namenode_list *leftover;
+ struct fsys_namenode *namenode;
+ static struct varbuf fnvb;
+ struct stat stab;
+
+ /* We may have modified this previously. */
+ ensure_packagefiles_available(pkg);
+
+ modstatdb_note(pkg);
+ push_checkpoint(~ehflag_bombout, ehflag_normaltidy);
+
+ fsys_hash_rev_iter_init(&rev_iter, pkg->files);
+ leftover = NULL;
+ while ((namenode = fsys_hash_rev_iter_next(&rev_iter))) {
+ struct fsys_namenode *usenode;
+
+ debug(dbg_eachfile, "removal_bulk '%s' flags=%o",
+ namenode->name, namenode->flags);
+ if (namenode->flags & FNNF_OLD_CONFF) {
+ /* This can only happen if removal_bulk_remove_configfiles() got
+ * interrupted half way. */
+ debug(dbg_eachfiledetail, "removal_bulk expecting only left over dirs, "
+ "ignoring conffile '%s'", namenode->name);
+ continue;
+ }
+
+ usenode = namenodetouse(namenode, pkg, &pkg->installed);
+
+ varbuf_reset(&fnvb);
+ varbuf_add_str(&fnvb, instdir);
+ varbuf_add_str(&fnvb, usenode->name);
+ varbuf_end_str(&fnvb);
+
+ if (!stat(fnvb.buf,&stab) && S_ISDIR(stab.st_mode)) {
+ debug(dbg_eachfiledetail, "removal_bulk is a directory");
+ /* Only delete a directory or a link to one if we're the only
+ * package which uses it. Other files should only be listed
+ * in this package (but we don't check). */
+ if (dir_is_used_by_pkg(namenode, pkg, leftover)) {
+ push_leftover(&leftover, namenode);
+ continue;
+ }
+ if (dir_is_used_by_others(namenode, pkg))
+ continue;
+
+ if (strcmp(usenode->name, "/.") == 0) {
+ debug(dbg_eachfiledetail,
+ "removal_bulk '%s' root directory, cannot remove", fnvb.buf);
+ push_leftover(&leftover, namenode);
+ continue;
+ }
+ }
+
+ trig_path_activate(usenode, pkg);
+
+ debug(dbg_eachfiledetail, "removal_bulk removing '%s'", fnvb.buf);
+ if (!rmdir(fnvb.buf) || errno == ENOENT || errno == ELOOP) continue;
+ if (errno == ENOTEMPTY || errno == EEXIST) {
+ warning(_("while removing %.250s, directory '%.250s' not empty so not removed"),
+ pkg_name(pkg, pnaw_nonambig), namenode->name);
+ push_leftover(&leftover,namenode);
+ continue;
+ } else if (errno == EBUSY || errno == EPERM) {
+ warning(_("while removing %.250s, unable to remove directory '%.250s': "
+ "%s - directory may be a mount point?"),
+ pkg_name(pkg, pnaw_nonambig), namenode->name, strerror(errno));
+ push_leftover(&leftover,namenode);
+ continue;
+ }
+ if (errno != ENOTDIR)
+ ohshite(_("cannot remove '%.250s'"), fnvb.buf);
+
+ if (lstat(fnvb.buf, &stab) == 0 && S_ISLNK(stab.st_mode)) {
+ debug(dbg_eachfiledetail, "removal_bulk is a symlink to a directory");
+
+ if (unlink(fnvb.buf))
+ ohshite(_("cannot remove '%.250s'"), fnvb.buf);
+
+ continue;
+ }
+
+ push_leftover(&leftover,namenode);
+ continue;
+ }
+ write_filelist_except(pkg, &pkg->installed, leftover, 0);
+
+ modstatdb_note(pkg);
+ push_checkpoint(~ehflag_bombout, ehflag_normaltidy);
+}
+
+static void removal_bulk_remove_configfiles(struct pkginfo *pkg) {
+ static const char *const removeconffexts[] = { REMOVECONFFEXTS, NULL };
+ int rc;
+ int conffnameused, conffbasenamelen;
+ char *conffbasename;
+ struct conffile *conff, **lconffp;
+ struct fsys_namenode_list *searchfile;
+ DIR *dsd;
+ struct dirent *de;
+ char *p;
+ const char *const *ext;
+
+ printf(_("Purging configuration files for %s (%s) ...\n"),
+ pkg_name(pkg, pnaw_nonambig),
+ versiondescribe(&pkg->installed.version, vdew_nonambig));
+ log_action("purge", pkg, &pkg->installed);
+ trig_activate_packageprocessing(pkg);
+
+ /* We may have modified this above. */
+ ensure_packagefiles_available(pkg);
+
+ /* We're about to remove the configuration, so remove the note
+ * about which version it was ... */
+ dpkg_version_blank(&pkg->configversion);
+ modstatdb_note(pkg);
+
+ /* Remove from our list any conffiles that aren't ours any more or
+ * are involved in diversions, except if we are the package doing the
+ * diverting. */
+ for (lconffp = &pkg->installed.conffiles; (conff = *lconffp) != NULL; ) {
+ for (searchfile = pkg->files;
+ searchfile && strcmp(searchfile->namenode->name,conff->name);
+ searchfile= searchfile->next);
+ if (!searchfile) {
+ debug(dbg_conff, "removal_bulk conffile not ours any more '%s'",
+ conff->name);
+ *lconffp= conff->next;
+ } else if (searchfile->namenode->divert &&
+ (searchfile->namenode->divert->camefrom ||
+ (searchfile->namenode->divert->useinstead &&
+ searchfile->namenode->divert->pkgset != pkg->set))) {
+ debug(dbg_conff, "removal_bulk conffile '%s' ignored due to diversion",
+ conff->name);
+ *lconffp= conff->next;
+ } else {
+ debug(dbg_conffdetail, "removal_bulk set to new conffile '%s'",
+ conff->name);
+ conff->hash = NEWCONFFILEFLAG;
+ lconffp= &conff->next;
+ }
+ }
+ modstatdb_note(pkg);
+
+ for (conff= pkg->installed.conffiles; conff; conff= conff->next) {
+ struct fsys_namenode *namenode, *usenode;
+ static struct varbuf fnvb, removevb;
+ struct varbuf_state removevb_state;
+
+ if (conff->obsolete) {
+ debug(dbg_conffdetail, "removal_bulk conffile obsolete %s",
+ conff->name);
+ }
+ varbuf_reset(&fnvb);
+ rc = conffderef(pkg, &fnvb, conff->name);
+ debug(dbg_conffdetail, "removal_bulk conffile '%s' (= '%s')",
+ conff->name, rc == -1 ? "<rc == -1>" : fnvb.buf);
+ if (rc == -1)
+ continue;
+
+ namenode = fsys_hash_find_node(conff->name, 0);
+ usenode = namenodetouse(namenode, pkg, &pkg->installed);
+
+ trig_path_activate(usenode, pkg);
+
+ conffnameused = fnvb.used;
+ if (unlink(fnvb.buf) && errno != ENOENT && errno != ENOTDIR)
+ ohshite(_("cannot remove old config file '%.250s' (= '%.250s')"),
+ conff->name, fnvb.buf);
+ p= strrchr(fnvb.buf,'/'); if (!p) continue;
+ *p = '\0';
+ varbuf_reset(&removevb);
+ varbuf_add_str(&removevb, fnvb.buf);
+ varbuf_add_char(&removevb, '/');
+ varbuf_end_str(&removevb);
+ varbuf_snapshot(&removevb, &removevb_state);
+
+ dsd= opendir(removevb.buf);
+ if (!dsd) {
+ int e=errno;
+ debug(dbg_conffdetail, "removal_bulk conffile no dsd %s %s",
+ fnvb.buf, strerror(e)); errno= e;
+ if (errno == ENOENT || errno == ENOTDIR) continue;
+ ohshite(_("cannot read config file directory '%.250s' (from '%.250s')"),
+ fnvb.buf, conff->name);
+ }
+ debug(dbg_conffdetail, "removal_bulk conffile cleaning dsd %s", fnvb.buf);
+ push_cleanup(cu_closedir, ~0, 1, (void *)dsd);
+ *p= '/';
+ conffbasenamelen= strlen(++p);
+ conffbasename= fnvb.buf+conffnameused-conffbasenamelen;
+ while ((de = readdir(dsd)) != NULL) {
+ debug(dbg_stupidlyverbose, "removal_bulk conffile dsd entry='%s'"
+ " conffbasename='%s' conffnameused=%d conffbasenamelen=%d",
+ de->d_name, conffbasename, conffnameused, conffbasenamelen);
+ if (strncmp(de->d_name, conffbasename, conffbasenamelen) == 0) {
+ debug(dbg_stupidlyverbose, "removal_bulk conffile dsd entry starts right");
+ for (ext= removeconffexts; *ext; ext++)
+ if (strcmp(*ext, de->d_name + conffbasenamelen) == 0)
+ goto yes_remove;
+ p= de->d_name+conffbasenamelen;
+ if (*p++ == '~') {
+ while (*p && c_isdigit(*p))
+ p++;
+ if (*p == '~' && !*++p) goto yes_remove;
+ }
+ }
+ debug(dbg_stupidlyverbose, "removal_bulk conffile dsd entry starts wrong");
+ if (de->d_name[0] == '#' &&
+ strncmp(de->d_name + 1, conffbasename, conffbasenamelen) == 0 &&
+ strcmp(de->d_name + 1 + conffbasenamelen, "#") == 0)
+ goto yes_remove;
+ debug(dbg_stupidlyverbose, "removal_bulk conffile dsd entry not it");
+ continue;
+ yes_remove:
+ varbuf_rollback(&removevb, &removevb_state);
+ varbuf_add_str(&removevb, de->d_name);
+ varbuf_end_str(&removevb);
+ debug(dbg_conffdetail, "removal_bulk conffile dsd entry removing '%s'",
+ removevb.buf);
+ if (unlink(removevb.buf) && errno != ENOENT && errno != ENOTDIR)
+ ohshite(_("cannot remove old backup config file '%.250s' (of '%.250s')"),
+ removevb.buf, conff->name);
+ }
+ pop_cleanup(ehflag_normaltidy); /* closedir */
+ }
+
+ /* Remove the conffiles from the file list file. */
+ write_filelist_except(pkg, &pkg->installed, pkg->files,
+ FNNF_OLD_CONFF);
+
+ pkg->installed.conffiles = NULL;
+ modstatdb_note(pkg);
+
+ maintscript_installed(pkg, POSTRMFILE, "post-removal", "purge", NULL);
+}
+
+/*
+ * This is used both by deferred_remove() in this file, and at the end of
+ * process_archive() in archives.c if it needs to finish removing a
+ * conflicting package.
+ */
+void removal_bulk(struct pkginfo *pkg) {
+ bool foundpostrm;
+
+ debug(dbg_general, "removal_bulk package %s", pkg_name(pkg, pnaw_always));
+
+ if (pkg->status == PKG_STAT_HALFINSTALLED ||
+ pkg->status == PKG_STAT_UNPACKED) {
+ removal_bulk_remove_files(pkg);
+ }
+
+ foundpostrm = pkg_infodb_has_file(pkg, &pkg->installed, POSTRMFILE);
+
+ debug(dbg_general, "removal_bulk purging? foundpostrm=%d",foundpostrm);
+
+ if (!foundpostrm && !pkg->installed.conffiles) {
+ /* If there are no config files and no postrm script then we
+ * go straight into ‘purge’. */
+ debug(dbg_general, "removal_bulk no postrm, no conffiles, purging");
+
+ pkg_set_want(pkg, PKG_WANT_PURGE);
+ dpkg_version_blank(&pkg->configversion);
+ } else if (pkg->want == PKG_WANT_PURGE) {
+
+ removal_bulk_remove_configfiles(pkg);
+
+ }
+
+ /* I.e., either of the two branches above. */
+ if (pkg->want == PKG_WANT_PURGE) {
+ const char *filename;
+
+ /* Retry empty directories, and warn on any leftovers that aren't. */
+ removal_bulk_remove_leftover_dirs(pkg);
+
+ filename = pkg_infodb_get_file(pkg, &pkg->installed, LISTFILE);
+ debug(dbg_general, "removal_bulk purge done, removing list '%s'",
+ filename);
+ if (unlink(filename) && errno != ENOENT)
+ ohshite(_("cannot remove old files list"));
+
+ filename = pkg_infodb_get_file(pkg, &pkg->installed, POSTRMFILE);
+ debug(dbg_general, "removal_bulk purge done, removing postrm '%s'",
+ filename);
+ if (unlink(filename) && errno != ENOENT)
+ ohshite(_("can't remove old postrm script"));
+
+ pkg_set_status(pkg, PKG_STAT_NOTINSTALLED);
+ pkg_set_want(pkg, PKG_WANT_UNKNOWN);
+
+ /* This will mess up reverse links, but if we follow them
+ * we won't go back because pkg->status is PKG_STAT_NOTINSTALLED. */
+ pkgbin_blank(&pkg->installed);
+ }
+
+ pkg_reset_eflags(pkg);
+ modstatdb_note(pkg);
+
+ debug(dbg_general, "removal done");
+}