static void
statdb_write(void)
{
char *dbname;
struct atomic_file *dbfile;
struct fileiterator *iter;
struct filenamenode *file;
dbname = dpkg_db_get_path(STATOVERRIDEFILE);
dbfile = atomic_file_new(dbname, aff_backup);
atomic_file_open(dbfile);
iter = files_db_iter_new();
while ((file = files_db_iter_next(iter)))
statdb_node_print(dbfile->fp, file);
files_db_iter_free(iter);
atomic_file_sync(dbfile);
atomic_file_close(dbfile);
atomic_file_commit(dbfile);
atomic_file_free(dbfile);
dir_sync_path(dpkg_db_get_dir());
free(dbname);
}
static void
divertdb_write(void)
{
char *dbname;
struct atomic_file *file;
struct fsys_hash_iter *iter;
struct fsys_namenode *namenode;
dbname = dpkg_db_get_path(DIVERSIONSFILE);
file = atomic_file_new(dbname, ATOMIC_FILE_BACKUP);
atomic_file_open(file);
iter = fsys_hash_iter_new();
while ((namenode = fsys_hash_iter_next(iter))) {
struct fsys_diversion *d = namenode->divert;
if (d == NULL || d->useinstead == NULL)
continue;
fprintf(file->fp, "%s\n%s\n%s\n",
d->useinstead->divert->camefrom->name,
d->useinstead->name,
diversion_pkg_name(d));
}
fsys_hash_iter_free(iter);
atomic_file_sync(file);
atomic_file_close(file);
atomic_file_commit(file);
atomic_file_free(file);
free(dbname);
}
static enum pkg_infodb_format
pkg_infodb_read_format(void)
{
struct atomic_file *file;
struct stat st;
char *filename;
filename = dpkg_db_get_path(INFODIR "/format");
file = atomic_file_new(filename, 0);
db_format = pkg_infodb_parse_format(file->name);
/* Check if a previous upgrade got interrupted. Because we are only
* supposed to upgrade the db layout one format at a time, if the
* new file exists that means the new format is just one ahead,
* we don't try to read it because it contains unreliable data. */
if (stat(file->name_new, &st) == 0) {
db_format++;
db_upgrading = true;
}
atomic_file_free(file);
free(filename);
if (db_format < 0 || db_format >= PKG_INFODB_FORMAT_LAST)
ohshit(_("info database format (%d) is bogus or too new; "
"try getting a newer dpkg"), db_format);
return db_format;
}
void
trig_incorporate(enum modstatdb_rw cstatus)
{
enum trigdef_update_status ur;
enum trigdef_updateflags tduf;
free(triggersdir);
triggersdir = dpkg_db_get_path(TRIGGERSDIR);
free(triggersfilefile);
triggersfilefile = trig_get_filename(triggersdir, "File");
free(triggersnewfilefile);
triggersnewfilefile = trig_get_filename(triggersdir, "File.new");
trigdef_set_methods(&tdm_incorp);
trig_file_interests_ensure();
tduf = tduf_nolockok;
if (cstatus >= msdbrw_write) {
tduf |= tduf_write;
if (trigh.transitional_activate)
tduf |= tduf_writeifenoent;
}
ur = trigdef_update_start(tduf);
if (ur == tdus_error_no_dir && cstatus >= msdbrw_write) {
if (mkdir(triggersdir, 0755)) {
if (errno != EEXIST)
ohshite(_("unable to create triggers state"
" directory `%.250s'"), triggersdir);
} else if (chown(triggersdir, 0, 0)) {
ohshite(_("unable to set ownership of triggers state"
" directory `%.250s'"), triggersdir);
}
ur = trigdef_update_start(tduf);
}
switch (ur) {
case tdus_error_empty_deferred:
return;
case tdus_error_no_dir:
case tdus_error_no_deferred:
if (!trigh.transitional_activate)
return;
/* Fall through. */
case tdus_no_deferred:
trigh.transitional_activate(cstatus);
break;
case tdus_ok:
/* Read and incorporate triggers. */
trigdef_parse();
break;
default:
internerr("unknown trigdef_update_start return value '%d'", ur);
}
/* Right, that's it. New (empty) Unincorp can be installed. */
trigdef_process_done();
}
const char *
pkg_infodb_get_dir(void)
{
if (db_infodir == NULL)
db_infodir = dpkg_db_get_path(INFODIR);
return db_infodir;
}
void
trig_incorporate(enum modstatdb_rw cstatus)
{
enum trigdef_update_status ur;
enum trigdef_update_flags tduf;
free(triggersdir);
triggersdir = dpkg_db_get_path(TRIGGERSDIR);
free(triggersfilefile);
triggersfilefile = trig_get_filename(triggersdir, TRIGGERSFILEFILE);
trigdef_set_methods(&tdm_incorp);
trig_file_interests_ensure();
tduf = TDUF_NO_LOCK_OK;
if (cstatus >= msdbrw_write) {
tduf |= TDUF_WRITE;
if (trigh.transitional_activate)
tduf |= TDUF_WRITE_IF_ENOENT;
}
ur = trigdef_update_start(tduf);
if (ur == TDUS_ERROR_NO_DIR && cstatus >= msdbrw_write) {
if (mkdir(triggersdir, 0755)) {
if (errno != EEXIST)
ohshite(_("unable to create triggers state"
" directory '%.250s'"), triggersdir);
} else if (chown(triggersdir, 0, 0)) {
ohshite(_("unable to set ownership of triggers state"
" directory '%.250s'"), triggersdir);
}
ur = trigdef_update_start(tduf);
}
switch (ur) {
case TDUS_ERROR_EMPTY_DEFERRED:
return;
case TDUS_ERROR_NO_DIR:
case TDUS_ERROR_NO_DEFERRED:
if (!trigh.transitional_activate)
return;
/* Fall through. */
case TDUS_NO_DEFERRED:
trigh.transitional_activate(cstatus);
break;
case TDUS_OK:
/* Read and incorporate triggers. */
trigdef_parse();
break;
default:
internerr("unknown trigdef_update_start return value '%d'", ur);
}
/* Right, that's it. New (empty) Unincorp can be installed. */
trigdef_process_done();
}
const char *
pkg_infodb_get_dir(void)
{
static char *infodir;
if (infodir == NULL)
infodir = dpkg_db_get_path(INFODIR);
return infodir;
}
void
modstatdb_init(void)
{
const struct fni *fnip;
if (db_initialized)
return;
for (fnip = fnis; fnip->suffix; fnip++) {
free(*fnip->store);
*fnip->store = dpkg_db_get_path(fnip->suffix);
}
updatefnbuf = m_malloc(strlen(updatesdir) + IMPORTANTMAXLEN + 5);
strcpy(updatefnbuf, updatesdir);
updatefnrest = updatefnbuf + strlen(updatefnbuf);
db_initialized = true;
}
static bool
deb_reassemble(const char **filename, const char **pfilename)
{
static char *reasmbuf = NULL;
struct stat stab;
int status;
pid_t pid;
if (!reasmbuf)
reasmbuf = dpkg_db_get_path(REASSEMBLETMP);
if (unlink(reasmbuf) && errno != ENOENT)
ohshite(_("error ensuring `%.250s' doesn't exist"), reasmbuf);
push_cleanup(cu_pathname, ~0, NULL, 0, 1, (void *)reasmbuf);
pid = subproc_fork();
if (!pid) {
execlp(SPLITTER, SPLITTER, "-Qao", reasmbuf, *filename, NULL);
ohshite(_("unable to execute %s (%s)"),
_("split package reassembly"), SPLITTER);
}
status = subproc_wait(pid, SPLITTER);
switch (WIFEXITED(status) ? WEXITSTATUS(status) : -1) {
case 0:
/* It was a part - is it complete? */
if (!stat(reasmbuf, &stab)) {
/* Yes. */
*filename = reasmbuf;
*pfilename = _("reassembled package file");
break;
} else if (errno == ENOENT) {
/* No. That's it, we skip it. */
return false;
}
case 1:
/* No, it wasn't a part. */
break;
default:
subproc_check(status, SPLITTER, 0);
}
return true;
}
static void
pkgadmindir_init(void)
{
infodir = dpkg_db_get_path(INFODIR);
}
void
ensure_diversions(void)
{
struct stat stab1, stab2;
char linebuf[MAXDIVERTFILENAME];
FILE *file;
struct diversion *ov, *oicontest, *oialtname;
if (diversionsname != NULL)
free(diversionsname);
diversionsname = dpkg_db_get_path(DIVERSIONSFILE);
onerr_abort++;
file = fopen(diversionsname, "r");
if (!file) {
if (errno != ENOENT)
ohshite(_("failed to open diversions file"));
if (!diversionsfile) {
onerr_abort--;
return;
}
} else if (diversionsfile) {
if (fstat(fileno(diversionsfile), &stab1))
ohshite(_("failed to fstat previous diversions file"));
if (fstat(fileno(file), &stab2))
ohshite(_("failed to fstat diversions file"));
if (stab1.st_dev == stab2.st_dev &&
stab1.st_ino == stab2.st_ino) {
fclose(file);
onerr_abort--;
return;
}
}
if (diversionsfile)
fclose(diversionsfile);
diversionsfile = file;
setcloexec(fileno(diversionsfile), diversionsname);
for (ov = diversions; ov; ov = ov->next) {
ov->useinstead->divert->camefrom->divert = NULL;
ov->useinstead->divert = NULL;
}
diversions = NULL;
if (!file) {
onerr_abort--;
return;
}
while (fgets_checked(linebuf, sizeof(linebuf), file, diversionsname) >= 0) {
oicontest = nfmalloc(sizeof(struct diversion));
oialtname = nfmalloc(sizeof(struct diversion));
oialtname->camefrom = findnamenode(linebuf, 0);
oialtname->useinstead = NULL;
fgets_must(linebuf, sizeof(linebuf), file, diversionsname);
oicontest->useinstead = findnamenode(linebuf, 0);
oicontest->camefrom = NULL;
fgets_must(linebuf, sizeof(linebuf), file, diversionsname);
oicontest->pkgset = strcmp(linebuf, ":") ?
pkg_db_find_set(linebuf) : NULL;
oialtname->pkgset = oicontest->pkgset;
if (oialtname->camefrom->divert ||
oicontest->useinstead->divert)
ohshit(_("conflicting diversions involving `%.250s' or `%.250s'"),
oialtname->camefrom->name, oicontest->useinstead->name);
oialtname->camefrom->divert = oicontest;
oicontest->useinstead->divert = oialtname;
oicontest->next = diversions;
diversions = oicontest;
}
onerr_abort--;
}
int
updateavailable(const char *const *argv)
{
const char *sourcefile= argv[0];
char *availfile;
int count= 0;
modstatdb_init();
switch (cipaction->arg_int) {
case act_avclear:
if (sourcefile) badusage(_("--%s takes no arguments"),cipaction->olong);
break;
case act_avreplace: case act_avmerge:
if (!sourcefile || argv[1])
badusage(_("--%s needs exactly one Packages-file argument"),
cipaction->olong);
break;
default:
internerr("unknown action '%d'", cipaction->arg_int);
}
if (!f_noact) {
if (access(dpkg_db_get_dir(), W_OK)) {
if (errno != EACCES)
ohshite(_("unable to access dpkg status area for bulk available update"));
else
ohshit(_("bulk available update requires write access to dpkg status area"));
}
modstatdb_lock();
}
switch (cipaction->arg_int) {
case act_avreplace:
printf(_("Replacing available packages info, using %s.\n"),sourcefile);
break;
case act_avmerge:
printf(_("Updating available packages info, using %s.\n"),sourcefile);
break;
case act_avclear:
break;
default:
internerr("unknown action '%d'", cipaction->arg_int);
}
availfile = dpkg_db_get_path(AVAILFILE);
if (cipaction->arg_int == act_avmerge)
parsedb(availfile, pdb_parse_available, NULL);
if (cipaction->arg_int != act_avclear)
count += parsedb(sourcefile, pdb_parse_available | pdb_ignoreolder, NULL);
if (!f_noact) {
writedb(availfile, wdb_dump_available);
modstatdb_unlock();
}
free(availfile);
if (cipaction->arg_int != act_avclear)
printf(P_("Information about %d package was updated.\n",
"Information about %d packages was updated.\n", count), count);
modstatdb_done();
return 0;
}
