static int local_db_read(alpm_pkg_t *info, alpm_dbinfrq_t inforeq)
{
FILE *fp = NULL;
char line[1024];
alpm_db_t *db = info->origin_data.db;
/* bitmask logic here:
* infolevel: 00001111
* inforeq: 00010100
* & result: 00000100
* == to inforeq? nope, we need to load more info. */
if((info->infolevel & inforeq) == inforeq) {
/* already loaded all of this info, do nothing */
return 0;
}
if(info->infolevel & INFRQ_ERROR) {
/* We've encountered an error loading this package before. Don't attempt
* repeated reloads, just give up. */
return -1;
}
_alpm_log(db->handle, ALPM_LOG_FUNCTION,
"loading package data for %s : level=0x%x\n",
info->name, inforeq);
/* clear out 'line', to be certain - and to make valgrind happy */
memset(line, 0, sizeof(line));
/* DESC */
if(inforeq & INFRQ_DESC && !(info->infolevel & INFRQ_DESC)) {
char *path = _alpm_local_db_pkgpath(db, info, "desc");
if(!path || (fp = fopen(path, "r")) == NULL) {
_alpm_log(db->handle, ALPM_LOG_ERROR, _("could not open file %s: %s\n"), path, strerror(errno));
free(path);
goto error;
}
free(path);
while(!feof(fp)) {
if(safe_fgets(line, sizeof(line), fp) == NULL && !feof(fp)) {
goto error;
}
if(_alpm_strip_newline(line, 0) == 0) {
/* length of stripped line was zero */
continue;
}
if(strcmp(line, "%NAME%") == 0) {
READ_NEXT();
if(strcmp(line, info->name) != 0) {
_alpm_log(db->handle, ALPM_LOG_ERROR, _("%s database is inconsistent: name "
"mismatch on package %s\n"), db->treename, info->name);
}
} else if(strcmp(line, "%VERSION%") == 0) {
READ_NEXT();
if(strcmp(line, info->version) != 0) {
_alpm_log(db->handle, ALPM_LOG_ERROR, _("%s database is inconsistent: version "
"mismatch on package %s\n"), db->treename, info->name);
}
} else if(strcmp(line, "%BASE%") == 0) {
READ_AND_STORE(info->base);
} else if(strcmp(line, "%DESC%") == 0) {
READ_AND_STORE(info->desc);
} else if(strcmp(line, "%GROUPS%") == 0) {
READ_AND_STORE_ALL(info->groups);
} else if(strcmp(line, "%URL%") == 0) {
READ_AND_STORE(info->url);
} else if(strcmp(line, "%LICENSE%") == 0) {
READ_AND_STORE_ALL(info->licenses);
} else if(strcmp(line, "%ARCH%") == 0) {
READ_AND_STORE(info->arch);
} else if(strcmp(line, "%BUILDDATE%") == 0) {
READ_NEXT();
info->builddate = _alpm_parsedate(line);
} else if(strcmp(line, "%INSTALLDATE%") == 0) {
READ_NEXT();
info->installdate = _alpm_parsedate(line);
} else if(strcmp(line, "%PACKAGER%") == 0) {
READ_AND_STORE(info->packager);
} else if(strcmp(line, "%REASON%") == 0) {
READ_NEXT();
info->reason = (alpm_pkgreason_t)atoi(line);
} else if(strcmp(line, "%VALIDATION%") == 0) {
alpm_list_t *i, *v = NULL;
READ_AND_STORE_ALL(v);
for(i = v; i; i = alpm_list_next(i))
{
if(strcmp(i->data, "none") == 0) {
info->validation |= ALPM_PKG_VALIDATION_NONE;
} else if(strcmp(i->data, "md5") == 0) {
info->validation |= ALPM_PKG_VALIDATION_MD5SUM;
} else if(strcmp(i->data, "sha256") == 0) {
info->validation |= ALPM_PKG_VALIDATION_SHA256SUM;
} else if(strcmp(i->data, "pgp") == 0) {
info->validation |= ALPM_PKG_VALIDATION_SIGNATURE;
} else {
_alpm_log(db->handle, ALPM_LOG_WARNING,
_("unknown validation type for package %s: %s\n"),
info->name, (const char *)i->data);
}
}
FREELIST(v);
} else if(strcmp(line, "%SIZE%") == 0) {
READ_NEXT();
info->isize = _alpm_strtoofft(line);
} else if(strcmp(line, "%REPLACES%") == 0) {
READ_AND_SPLITDEP(info->replaces);
} else if(strcmp(line, "%DEPENDS%") == 0) {
READ_AND_SPLITDEP(info->depends);
} else if(strcmp(line, "%OPTDEPENDS%") == 0) {
READ_AND_SPLITDEP(info->optdepends);
} else if(strcmp(line, "%CONFLICTS%") == 0) {
READ_AND_SPLITDEP(info->conflicts);
} else if(strcmp(line, "%PROVIDES%") == 0) {
READ_AND_SPLITDEP(info->provides);
}
}
fclose(fp);
fp = NULL;
info->infolevel |= INFRQ_DESC;
}
/* FILES */
if(inforeq & INFRQ_FILES && !(info->infolevel & INFRQ_FILES)) {
char *path = _alpm_local_db_pkgpath(db, info, "files");
if(!path || (fp = fopen(path, "r")) == NULL) {
_alpm_log(db->handle, ALPM_LOG_ERROR, _("could not open file %s: %s\n"), path, strerror(errno));
free(path);
goto error;
}
free(path);
while(safe_fgets(line, sizeof(line), fp)) {
_alpm_strip_newline(line, 0);
if(strcmp(line, "%FILES%") == 0) {
size_t files_count = 0, files_size = 0, len;
alpm_file_t *files = NULL;
while(safe_fgets(line, sizeof(line), fp) &&
(len = _alpm_strip_newline(line, 0))) {
if(!_alpm_greedy_grow((void **)&files, &files_size,
(files_count ? (files_count + 1) * sizeof(alpm_file_t) : 8 * sizeof(alpm_file_t)))) {
goto error;
}
/* since we know the length of the file string already,
* we can do malloc + memcpy rather than strdup */
len += 1;
MALLOC(files[files_count].name, len, goto error);
memcpy(files[files_count].name, line, len);
files_count++;
}
/* attempt to hand back any memory we don't need */
if(files_count > 0) {
files = realloc(files, sizeof(alpm_file_t) * files_count);
/* make sure the list is sorted */
qsort(files, files_count, sizeof(alpm_file_t), _alpm_files_cmp);
} else {
FREE(files);
}
info->files.count = files_count;
info->files.files = files;
} else if(strcmp(line, "%BACKUP%") == 0) {
static int sync_db_read(alpm_db_t *db, struct archive *archive,
struct archive_entry *entry, alpm_pkg_t **likely_pkg)
{
const char *entryname, *filename;
alpm_pkg_t *pkg;
struct archive_read_buffer buf;
entryname = archive_entry_pathname(entry);
if(entryname == NULL) {
_alpm_log(db->handle, ALPM_LOG_DEBUG,
"invalid archive entry provided to _alpm_sync_db_read, skipping\n");
return -1;
}
_alpm_log(db->handle, ALPM_LOG_FUNCTION, "loading package data from archive entry %s\n",
entryname);
memset(&buf, 0, sizeof(buf));
/* 512K for a line length seems reasonable */
buf.max_line_size = 512 * 1024;
pkg = load_pkg_for_entry(db, entryname, &filename, *likely_pkg);
if(pkg == NULL) {
_alpm_log(db->handle, ALPM_LOG_DEBUG,
"entry %s could not be loaded into %s sync database",
entryname, db->treename);
return -1;
}
if(filename == NULL) {
/* A file exists outside of a subdirectory. This isn't a read error, so return
* success and try to continue on. */
_alpm_log(db->handle, ALPM_LOG_WARNING, _("unknown database file: %s\n"),
filename);
return 0;
}
if(strcmp(filename, "desc") == 0 || strcmp(filename, "depends") == 0
|| strcmp(filename, "files") == 0
|| (strcmp(filename, "deltas") == 0 && db->handle->deltaratio > 0.0) ) {
int ret;
while((ret = _alpm_archive_fgets(archive, &buf)) == ARCHIVE_OK) {
char *line = buf.line;
if(_alpm_strip_newline(line, buf.real_line_size) == 0) {
/* length of stripped line was zero */
continue;
}
if(strcmp(line, "%NAME%") == 0) {
READ_NEXT();
if(strcmp(line, pkg->name) != 0) {
_alpm_log(db->handle, ALPM_LOG_ERROR, _("%s database is inconsistent: name "
"mismatch on package %s\n"), db->treename, pkg->name);
}
} else if(strcmp(line, "%VERSION%") == 0) {
READ_NEXT();
if(strcmp(line, pkg->version) != 0) {
_alpm_log(db->handle, ALPM_LOG_ERROR, _("%s database is inconsistent: version "
"mismatch on package %s\n"), db->treename, pkg->name);
}
} else if(strcmp(line, "%FILENAME%") == 0) {
READ_AND_STORE(pkg->filename);
if(_alpm_validate_filename(db, pkg->name, pkg->filename) < 0) {
return -1;
}
} else if(strcmp(line, "%BASE%") == 0) {
READ_AND_STORE(pkg->base);
} else if(strcmp(line, "%DESC%") == 0) {
READ_AND_STORE(pkg->desc);
} else if(strcmp(line, "%GROUPS%") == 0) {
READ_AND_STORE_ALL(pkg->groups);
} else if(strcmp(line, "%URL%") == 0) {
READ_AND_STORE(pkg->url);
} else if(strcmp(line, "%LICENSE%") == 0) {
READ_AND_STORE_ALL(pkg->licenses);
} else if(strcmp(line, "%ARCH%") == 0) {
READ_AND_STORE(pkg->arch);
} else if(strcmp(line, "%BUILDDATE%") == 0) {
READ_NEXT();
pkg->builddate = _alpm_parsedate(line);
} else if(strcmp(line, "%PACKAGER%") == 0) {
READ_AND_STORE(pkg->packager);
} else if(strcmp(line, "%CSIZE%") == 0) {
READ_NEXT();
pkg->size = _alpm_strtoofft(line);
} else if(strcmp(line, "%ISIZE%") == 0) {
READ_NEXT();
pkg->isize = _alpm_strtoofft(line);
} else if(strcmp(line, "%MD5SUM%") == 0) {
READ_AND_STORE(pkg->md5sum);
} else if(strcmp(line, "%SHA256SUM%") == 0) {
READ_AND_STORE(pkg->sha256sum);
} else if(strcmp(line, "%PGPSIG%") == 0) {
READ_AND_STORE(pkg->base64_sig);
} else if(strcmp(line, "%REPLACES%") == 0) {
READ_AND_SPLITDEP(pkg->replaces);
} else if(strcmp(line, "%DEPENDS%") == 0) {
READ_AND_SPLITDEP(pkg->depends);
} else if(strcmp(line, "%OPTDEPENDS%") == 0) {
READ_AND_SPLITDEP(pkg->optdepends);
} else if(strcmp(line, "%MAKEDEPENDS%") == 0) {
/* currently unused */
while(1) {
READ_NEXT();
if(strlen(line) == 0) break;
}
} else if(strcmp(line, "%CHECKDEPENDS%") == 0) {
/* currently unused */
while(1) {
READ_NEXT();
if(strlen(line) == 0) break;
}
} else if(strcmp(line, "%CONFLICTS%") == 0) {
READ_AND_SPLITDEP(pkg->conflicts);
} else if(strcmp(line, "%PROVIDES%") == 0) {
READ_AND_SPLITDEP(pkg->provides);
} else if(strcmp(line, "%DELTAS%") == 0) {
/* Different than the rest because of the _alpm_delta_parse call. */
while(1) {
READ_NEXT();
if(strlen(line) == 0) break;
pkg->deltas = alpm_list_add(pkg->deltas,
_alpm_delta_parse(db->handle, line));
}
} else if(strcmp(line, "%FILES%") == 0) {
/* TODO: this could lazy load if there is future demand */
size_t files_count = 0, files_size = 0;
alpm_file_t *files = NULL;
while(1) {
if(_alpm_archive_fgets(archive, &buf) != ARCHIVE_OK) {
goto error;
}
line = buf.line;
if(_alpm_strip_newline(line, buf.real_line_size) == 0) {
break;
}
if(!_alpm_greedy_grow((void **)&files, &files_size,
(files_count ? (files_count + 1) * sizeof(alpm_file_t) : 8 * sizeof(alpm_file_t)))) {
goto error;
}
STRDUP(files[files_count].name, line, goto error);
files_count++;
}
/* attempt to hand back any memory we don't need */
files = realloc(files, sizeof(alpm_file_t) * files_count);
/* make sure the list is sorted */
qsort(files, files_count, sizeof(alpm_file_t), _alpm_files_cmp);
pkg->files.count = files_count;
pkg->files.files = files;
}
}
