Filza 27.2 worse_query: public and developer builds
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//
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// WQPackages.m
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// FilzaSlop
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//
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// In-process dpkg/apt for the normally signed build. Packages are unpacked
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// under Documents/.terminal/root; this is a plugin/utility prefix, not the
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// system root, because the app is sandboxed.
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//
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#import "WQPackages.h"
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#import <Foundation/Foundation.h>
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#import <UIKit/UIKit.h>
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#import <errno.h>
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#import <fcntl.h>
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#import <sys/stat.h>
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#import <unistd.h>
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typedef struct archive WQArchive;
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typedef struct archive_entry WQArchiveEntry;
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#define WQ_ARCHIVE_OK 0
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#define ARCHIVE_OK 0
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#define WQ_AE_IFMT 0170000
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#define WQ_AE_IFREG 0100000
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#define WQ_AE_IFDIR 0040000
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#define WQ_AE_IFLNK 0120000
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extern WQArchive *archive_read_new(void);
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extern int archive_read_support_filter_all(WQArchive *);
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extern int archive_read_support_format_all(WQArchive *);
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extern int archive_read_support_format_raw(WQArchive *);
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extern int archive_read_open_memory(WQArchive *, const void *, size_t);
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extern int archive_read_next_header(WQArchive *, WQArchiveEntry **);
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extern const char *archive_entry_pathname(WQArchiveEntry *);
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extern const char *archive_entry_symlink(WQArchiveEntry *);
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extern mode_t archive_entry_perm(WQArchiveEntry *);
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extern mode_t archive_entry_filetype(WQArchiveEntry *);
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extern long long archive_entry_size(WQArchiveEntry *);
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extern ssize_t archive_read_data(WQArchive *, void *, size_t);
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extern int archive_read_data_skip(WQArchive *);
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extern int archive_read_free(WQArchive *);
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extern const char *archive_error_string(WQArchive *);
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static NSString *WQPackageRoot(void)
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{
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NSString *configured = NSProcessInfo.processInfo.environment[@"TERM_ROOT"];
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if (configured.length) return configured;
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NSString *documents = NSSearchPathForDirectoriesInDomains(
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NSDocumentDirectory, NSUserDomainMask, YES).firstObject;
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return [documents stringByAppendingPathComponent:@".terminal"];
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}
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static NSString *WQInstallRoot(void)
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{
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return [WQPackageRoot() stringByAppendingPathComponent:@"root"];
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}
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static NSString *WQStatusPath(void)
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{
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return [WQPackageRoot() stringByAppendingPathComponent:@"var/lib/dpkg/status"];
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}
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static NSString *WQInfoDirectory(void)
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{
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return [WQPackageRoot() stringByAppendingPathComponent:@"var/lib/dpkg/info"];
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}
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static void WQEnsurePackageDirectories(void)
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{
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NSFileManager *fm = NSFileManager.defaultManager;
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NSArray *directories = @[
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WQPackageRoot(),
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WQInstallRoot(),
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WQInfoDirectory(),
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[WQPackageRoot() stringByAppendingPathComponent:@"var/lib/apt/lists"],
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[WQPackageRoot() stringByAppendingPathComponent:@"var/cache/apt/archives"],
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[WQPackageRoot() stringByAppendingPathComponent:@"etc/apt"],
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[WQPackageRoot() stringByAppendingPathComponent:@"tmp"],
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];
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for (NSString *directory in directories)
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[fm createDirectoryAtPath:directory withIntermediateDirectories:YES
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attributes:nil error:nil];
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NSString *status = WQStatusPath();
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if (![fm fileExistsAtPath:status])
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[@"" writeToFile:status atomically:YES encoding:NSUTF8StringEncoding error:nil];
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}
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#pragma mark - ar / deb
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static NSData *WQArMember(NSData *archive, NSString *namePrefix)
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{
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const uint8_t *bytes = archive.bytes;
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NSUInteger length = archive.length;
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if (length < 8 || memcmp(bytes, "!<arch>\n", 8) != 0) return nil;
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NSUInteger offset = 8;
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while (offset + 60 <= length) {
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const uint8_t *header = bytes + offset;
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NSString *name = [[[NSString alloc] initWithBytes:header length:16
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encoding:NSASCIIStringEncoding] stringByTrimmingCharactersInSet:
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NSCharacterSet.whitespaceCharacterSet];
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name = [name stringByTrimmingCharactersInSet:
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[NSCharacterSet characterSetWithCharactersInString:@"/"]];
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NSString *sizeText = [[[NSString alloc] initWithBytes:header + 48 length:10
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encoding:NSASCIIStringEncoding] stringByTrimmingCharactersInSet:
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NSCharacterSet.whitespaceCharacterSet];
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NSUInteger size = (NSUInteger)sizeText.longLongValue;
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offset += 60;
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if (offset + size > length) break;
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if ([name hasPrefix:namePrefix])
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return [archive subdataWithRange:NSMakeRange(offset, size)];
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offset += size + (size & 1);
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}
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return nil;
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}
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static NSString *WQArchivePath(NSString *raw)
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{
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NSString *path = raw;
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while ([path hasPrefix:@"./"]) path = [path substringFromIndex:2];
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while ([path hasPrefix:@"/"]) path = [path substringFromIndex:1];
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if ([path hasPrefix:@"var/jb/"]) path = [path substringFromIndex:7];
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if (path.length == 0 || [path containsString:@".."]) return nil;
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return path;
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}
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static BOOL WQExtractArchiveData(NSData *archiveData, NSString *destination,
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NSMutableArray<NSString *> *installedFiles)
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{
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if (!archiveData.length) return NO;
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WQArchive *archive = archive_read_new();
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if (!archive) return NO;
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archive_read_support_filter_all(archive);
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archive_read_support_format_all(archive);
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if (archive_read_open_memory(archive, archiveData.bytes,
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archiveData.length) != ARCHIVE_OK) {
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archive_read_free(archive);
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return NO;
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}
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NSFileManager *fm = NSFileManager.defaultManager;
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struct archive_entry *entry;
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BOOL success = YES;
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while (archive_read_next_header(archive, &entry) == WQ_ARCHIVE_OK) {
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const char *rawName = archive_entry_pathname(entry);
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if (!rawName) { archive_read_data_skip(archive); continue; }
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NSString *relative = WQArchivePath([NSString stringWithUTF8String:rawName]);
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if (!relative.length) { archive_read_data_skip(archive); continue; }
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NSString *target = [destination stringByAppendingPathComponent:relative];
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mode_t filetype = archive_entry_filetype(entry);
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mode_t permissions = archive_entry_perm(entry);
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if (filetype == WQ_AE_IFDIR) {
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[fm createDirectoryAtPath:target withIntermediateDirectories:YES
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attributes:@{ NSFilePosixPermissions: @(permissions ?: 0755) }
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error:nil];
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continue;
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}
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[fm createDirectoryAtPath:target.stringByDeletingLastPathComponent
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withIntermediateDirectories:YES attributes:nil error:nil];
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if (filetype == WQ_AE_IFLNK) {
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const char *link = archive_entry_symlink(entry);
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[fm removeItemAtPath:target error:nil];
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if (link && symlink(link, target.fileSystemRepresentation) == 0)
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[installedFiles addObject:relative];
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} else if (filetype == WQ_AE_IFREG) {
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int descriptor = open(target.fileSystemRepresentation,
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O_WRONLY | O_CREAT | O_TRUNC, permissions ?: 0644);
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if (descriptor < 0) { success = NO; archive_read_data_skip(archive); continue; }
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uint8_t buffer[65536];
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ssize_t got;
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while ((got = archive_read_data(archive, buffer, sizeof(buffer))) > 0) {
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ssize_t written = 0;
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while (written < got) {
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ssize_t step = write(descriptor, buffer + written,
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(size_t)(got - written));
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if (step <= 0) break;
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written += step;
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}
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}
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close(descriptor);
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chmod(target.fileSystemRepresentation, permissions ?: 0644);
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[installedFiles addObject:relative];
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} else {
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archive_read_data_skip(archive);
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}
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}
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archive_read_free(archive);
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return success;
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}
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static NSData *WQArchiveEntryNamed(NSData *archiveData, NSString *wanted)
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{
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WQArchive *archive = archive_read_new();
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if (!archive) return nil;
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archive_read_support_filter_all(archive);
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archive_read_support_format_all(archive);
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if (archive_read_open_memory(archive, archiveData.bytes,
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archiveData.length) != ARCHIVE_OK) {
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archive_read_free(archive);
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return nil;
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}
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struct archive_entry *entry;
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NSData *result = nil;
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while (archive_read_next_header(archive, &entry) == WQ_ARCHIVE_OK) {
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const char *name = archive_entry_pathname(entry);
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if (name && (strcmp(name, wanted.UTF8String) == 0 ||
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strcmp(name + (strlen(name) > 2 && name[0] == '.' &&
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name[1] == '/' ? 2 : 0), wanted.UTF8String) == 0)) {
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NSMutableData *data = [NSMutableData data];
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uint8_t buffer[65536];
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ssize_t got;
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while ((got = archive_read_data(archive, buffer, sizeof(buffer))) > 0)
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[data appendBytes:buffer length:(NSUInteger)got];
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result = data;
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break;
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}
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archive_read_data_skip(archive);
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}
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archive_read_free(archive);
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return result;
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}
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static NSDictionary *WQParseControl(NSString *control)
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{
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NSMutableDictionary *fields = [NSMutableDictionary dictionary];
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NSString *currentKey = nil;
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NSMutableString *currentValue = nil;
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for (NSString *line in [control componentsSeparatedByString:@"\n"]) {
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if (line.length == 0) continue;
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if ([line hasPrefix:@" "] || [line hasPrefix:@"\t"]) {
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if (currentKey && currentValue)
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[currentValue appendFormat:@"\n%@", [line stringByTrimmingCharactersInSet:
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NSCharacterSet.whitespaceCharacterSet]];
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continue;
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}
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NSRange colon = [line rangeOfString:@":"];
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if (colon.location == NSNotFound) continue;
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if (currentKey && currentValue) fields[currentKey] = currentValue.copy;
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currentKey = [[line substringToIndex:colon.location]
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stringByTrimmingCharactersInSet:NSCharacterSet.whitespaceCharacterSet];
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currentValue = [[[line substringFromIndex:colon.location + 1]
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stringByTrimmingCharactersInSet:NSCharacterSet.whitespaceCharacterSet] mutableCopy];
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}
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if (currentKey && currentValue) fields[currentKey] = currentValue.copy;
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return fields;
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}
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NSString *WQDebInfoText(NSString *path)
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{
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NSData *archive = [NSData dataWithContentsOfFile:path];
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if (!archive.length) return nil;
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NSData *controlArchive = WQArMember(archive, @"control.tar");
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if (!controlArchive.length) return nil;
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NSData *controlData = WQArchiveEntryNamed(controlArchive, @"control");
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if (!controlData.length) return nil;
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NSString *control = [[NSString alloc] initWithData:controlData
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encoding:NSUTF8StringEncoding];
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if (!control.length) return nil;
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NSMutableString *text = [NSMutableString stringWithFormat:
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@" new Debian package, version 2.0.\n"
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@" size %lu bytes: control archive %lu bytes.\n",
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(unsigned long)archive.length, (unsigned long)controlArchive.length];
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[text appendString:control];
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if (![text hasSuffix:@"\n"]) [text appendString:@"\n"];
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return text;
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}
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static NSString *WQStanzaForKey(NSString *text, NSString *key, NSString *value)
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{
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NSArray *stanzas = [text componentsSeparatedByString:@"\n\n"];
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for (NSString *stanza in stanzas) {
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BOOL match = NO;
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for (NSString *line in [stanza componentsSeparatedByString:@"\n"]) {
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if ([line hasPrefix:[key stringByAppendingString:@": "]]) {
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match = [[line substringFromIndex:key.length + 2]
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isEqualToString:value];
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break;
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}
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}
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if (match) return stanza;
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}
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return nil;
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}
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static NSString *WQFieldFromStanza(NSString *stanza, NSString *key)
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{
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for (NSString *line in [stanza componentsSeparatedByString:@"\n"])
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if ([line hasPrefix:[key stringByAppendingString:@": "]])
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return [line substringFromIndex:key.length + 2];
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return nil;
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}
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static void WQRemoveStatusStanza(NSString *package)
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{
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NSString *text = [NSString stringWithContentsOfFile:WQStatusPath()
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encoding:NSUTF8StringEncoding error:nil] ?: @"";
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NSMutableArray *keep = [NSMutableArray array];
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for (NSString *stanza in [text componentsSeparatedByString:@"\n\n"]) {
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if (stanza.length == 0) continue;
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NSString *name = WQFieldFromStanza(stanza, @"Package");
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if (![name isEqualToString:package]) [keep addObject:stanza];
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}
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[[keep componentsJoinedByString:@"\n\n"] writeToFile:WQStatusPath()
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atomically:YES encoding:NSUTF8StringEncoding error:nil];
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}
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static BOOL WQInstallDeb(NSString *path, FILE *out, FILE *err,
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NSDictionary *options)
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{
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WQEnsurePackageDirectories();
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NSData *archive = [NSData dataWithContentsOfFile:path];
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if (!archive.length) {
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fprintf(err, "dpkg: cannot open %s\n", path.UTF8String);
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return NO;
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}
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NSData *controlArchive = WQArMember(archive, @"control.tar");
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NSData *dataArchive = WQArMember(archive, @"data.tar");
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if (!controlArchive || !dataArchive) {
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fprintf(err, "dpkg: %s is not a Debian archive\n", path.UTF8String);
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return NO;
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}
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NSData *controlData = WQArchiveEntryNamed(controlArchive, @"control");
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if (!controlData) {
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fprintf(err, "dpkg: missing control file in %s\n", path.UTF8String);
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return NO;
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}
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NSString *control = [[NSString alloc] initWithData:controlData
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encoding:NSUTF8StringEncoding];
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NSDictionary *fields = WQParseControl(control ?: @"");
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NSString *package = fields[@"Package"] ?: @"unknown";
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NSString *version = fields[@"Version"] ?: @"0";
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NSString *architecture = fields[@"Architecture"] ?: @"iphoneos-arm64";
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BOOL force = options[@"force"] != nil;
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if (!force &&
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![architecture isEqualToString:@"iphoneos-arm64"] &&
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![architecture isEqualToString:@"iphoneos-arm"] &&
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![architecture isEqualToString:@"darwin-arm64"] &&
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![architecture isEqualToString:@"all"]) {
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fprintf(err, "dpkg: package architecture %s is not native "
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"(use --force-architecture)\n", architecture.UTF8String);
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return NO;
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}
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fprintf(out, "Selecting previously unselected package %s.\n",
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package.UTF8String);
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NSMutableArray<NSString *> *installedFiles = [NSMutableArray array];
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if (!WQExtractArchiveData(dataArchive, WQInstallRoot(), installedFiles)) {
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fprintf(err, "dpkg: failed to unpack %s\n", path.UTF8String);
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return NO;
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}
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WQRemoveStatusStanza(package);
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NSMutableString *status = [NSMutableString stringWithContentsOfFile:WQStatusPath()
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encoding:NSUTF8StringEncoding error:nil] ?: [NSMutableString string];
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if (status.length && ![status hasSuffix:@"\n\n"]) [status appendString:@"\n\n"];
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[status appendFormat:
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@"Package: %@\n"
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@"Status: install ok installed\n"
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@"Priority: %@\n"
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@"Section: %@\n"
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@"Installed-Size: %@\n"
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@"Maintainer: %@\n"
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@"Architecture: %@\n"
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@"Version: %@\n"
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@"Description: %@\n\n",
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package,
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fields[@"Priority"] ?: @"optional",
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fields[@"Section"] ?: @"utility",
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fields[@"Installed-Size"] ?: @"0",
|
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fields[@"Maintainer"] ?: @"unknown",
|
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architecture,
|
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version,
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fields[@"Description"] ?: package];
|
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[status writeToFile:WQStatusPath() atomically:YES
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encoding:NSUTF8StringEncoding error:nil];
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NSString *listPath = [WQInfoDirectory()
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stringByAppendingPathComponent:[package stringByAppendingString:@".list"]];
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[[installedFiles componentsJoinedByString:@"\n"] writeToFile:listPath
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atomically:YES encoding:NSUTF8StringEncoding error:nil];
|
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fprintf(out, "Unpacking %s (%s) ...\n", package.UTF8String, version.UTF8String);
|
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fprintf(out, "Setting up %s (%s) ...\n", package.UTF8String, version.UTF8String);
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fprintf(out, "Installed to %s\n", WQInstallRoot().UTF8String);
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return YES;
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}
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||||
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||||
#pragma mark - dpkg
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static void WQDPKGUsage(FILE *out)
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{
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fprintf(out,
|
||||
"Usage: dpkg <action>\n"
|
||||
" -i, --install <file.deb> Install a package\n"
|
||||
" -r, --remove <package> Remove a package\n"
|
||||
" -P, --purge <package> Remove a package\n"
|
||||
" -l, --list List installed packages\n"
|
||||
" -s, --status <package> Show package status\n"
|
||||
" -L, --listfiles <package> List package files\n"
|
||||
" -x, --extract <deb> <dir> Extract data archive\n"
|
||||
" --contents <deb> List .deb contents\n"
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||||
" --print-architecture Print iphoneos-arm64\n"
|
||||
" --force-architecture Allow non-native packages\n"
|
||||
" --version Show version\n");
|
||||
}
|
||||
|
||||
int WQDPKGMain(int argc, char **argv, FILE *out, FILE *err)
|
||||
{
|
||||
WQEnsurePackageDirectories();
|
||||
if (argc < 2) { WQDPKGUsage(out); return 1; }
|
||||
NSString *action = [NSString stringWithUTF8String:argv[1]];
|
||||
BOOL force = NO;
|
||||
int index = 2;
|
||||
for (int i = 2; i < argc; i++) {
|
||||
NSString *arg = [NSString stringWithUTF8String:argv[i]];
|
||||
if ([arg isEqualToString:@"--force-architecture"]) force = YES;
|
||||
}
|
||||
NSDictionary *options = force ? @{ @"force": @YES } : @{};
|
||||
|
||||
if ([action isEqualToString:@"--version"]) {
|
||||
fprintf(out, "dpkg 1.22 (FilzaSlop in-process)\n");
|
||||
return 0;
|
||||
}
|
||||
if ([action isEqualToString:@"--print-architecture"]) {
|
||||
fprintf(out, "iphoneos-arm64\n");
|
||||
return 0;
|
||||
}
|
||||
if ([action isEqualToString:@"-l"] || [action isEqualToString:@"--list"]) {
|
||||
NSString *text = [NSString stringWithContentsOfFile:WQStatusPath()
|
||||
encoding:NSUTF8StringEncoding error:nil] ?: @"";
|
||||
fprintf(out, "Desired=Unknown/Install/Remove/Purge/Hold\n"
|
||||
"||/ Name Version Architecture Description\n");
|
||||
for (NSString *stanza in [text componentsSeparatedByString:@"\n\n"]) {
|
||||
if (stanza.length == 0) continue;
|
||||
NSString *name = WQFieldFromStanza(stanza, @"Package");
|
||||
NSString *version = WQFieldFromStanza(stanza, @"Version") ?: @"";
|
||||
NSString *arch = WQFieldFromStanza(stanza, @"Architecture") ?: @"";
|
||||
NSString *description = WQFieldFromStanza(stanza, @"Description") ?: @"";
|
||||
fprintf(out, "ii %-20s %-14s %-14s %s\n",
|
||||
(name ?: @"").UTF8String, version.UTF8String,
|
||||
arch.UTF8String, description.UTF8String);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
if ([action isEqualToString:@"-s"] || [action isEqualToString:@"--status"]) {
|
||||
if (index >= argc) { fprintf(err, "dpkg: missing package\n"); return 1; }
|
||||
NSString *package = [NSString stringWithUTF8String:argv[index]];
|
||||
NSString *text = [NSString stringWithContentsOfFile:WQStatusPath()
|
||||
encoding:NSUTF8StringEncoding error:nil] ?: @"";
|
||||
NSString *stanza = WQStanzaForKey(text, @"Package", package);
|
||||
if (!stanza) { fprintf(err, "dpkg: package %s is not installed\n",
|
||||
package.UTF8String); return 1; }
|
||||
fprintf(out, "%s\n", stanza.UTF8String);
|
||||
return 0;
|
||||
}
|
||||
if ([action isEqualToString:@"-L"] || [action isEqualToString:@"--listfiles"]) {
|
||||
if (index >= argc) { fprintf(err, "dpkg: missing package\n"); return 1; }
|
||||
NSString *package = [NSString stringWithUTF8String:argv[index]];
|
||||
NSString *list = [NSString stringWithContentsOfFile:
|
||||
[WQInfoDirectory() stringByAppendingPathComponent:
|
||||
[package stringByAppendingString:@".list"]]
|
||||
encoding:NSUTF8StringEncoding error:nil];
|
||||
if (!list) { fprintf(err, "dpkg: package %s has no file list\n",
|
||||
package.UTF8String); return 1; }
|
||||
fprintf(out, "%s\n", list.UTF8String);
|
||||
return 0;
|
||||
}
|
||||
if ([action isEqualToString:@"-r"] || [action isEqualToString:@"--remove"] ||
|
||||
[action isEqualToString:@"-P"] || [action isEqualToString:@"--purge"]) {
|
||||
if (index >= argc) { fprintf(err, "dpkg: missing package\n"); return 1; }
|
||||
NSString *package = [NSString stringWithUTF8String:argv[index]];
|
||||
NSString *listPath = [WQInfoDirectory()
|
||||
stringByAppendingPathComponent:[package stringByAppendingString:@".list"]];
|
||||
NSString *list = [NSString stringWithContentsOfFile:listPath
|
||||
encoding:NSUTF8StringEncoding error:nil];
|
||||
NSFileManager *fm = NSFileManager.defaultManager;
|
||||
for (NSString *relative in [list componentsSeparatedByString:@"\n"]) {
|
||||
if (!relative.length) continue;
|
||||
NSString *target = [WQInstallRoot() stringByAppendingPathComponent:relative];
|
||||
[fm removeItemAtPath:target error:nil];
|
||||
}
|
||||
[fm removeItemAtPath:listPath error:nil];
|
||||
WQRemoveStatusStanza(package);
|
||||
fprintf(out, "Removing %s ...\n", package.UTF8String);
|
||||
return 0;
|
||||
}
|
||||
if ([action isEqualToString:@"-x"] || [action isEqualToString:@"--extract"] ||
|
||||
[action isEqualToString:@"--contents"]) {
|
||||
if (index >= argc) { fprintf(err, "dpkg: missing .deb\n"); return 1; }
|
||||
NSString *path = [NSString stringWithUTF8String:argv[index]];
|
||||
NSData *archive = [NSData dataWithContentsOfFile:path];
|
||||
NSData *data = WQArMember(archive, @"data.tar");
|
||||
if (!data) { fprintf(err, "dpkg: no data archive\n"); return 1; }
|
||||
if ([action isEqualToString:@"--contents"]) {
|
||||
NSMutableArray<NSString *> *files = [NSMutableArray array];
|
||||
WQExtractArchiveData(data, NSTemporaryDirectory(), files);
|
||||
for (NSString *file in files) fprintf(out, "%s\n", file.UTF8String);
|
||||
return 0;
|
||||
}
|
||||
NSString *destination = index + 1 < argc
|
||||
? [NSString stringWithUTF8String:argv[index + 1]]
|
||||
: WQInstallRoot();
|
||||
NSMutableArray *files = [NSMutableArray array];
|
||||
return WQExtractArchiveData(data, destination, files) ? 0 : 1;
|
||||
}
|
||||
if ([action isEqualToString:@"-i"] || [action isEqualToString:@"--install"]) {
|
||||
if (index >= argc) { fprintf(err, "dpkg: missing .deb\n"); return 1; }
|
||||
BOOL all = YES;
|
||||
for (; index < argc; index++) {
|
||||
NSString *path = [NSString stringWithUTF8String:argv[index]];
|
||||
if ([path isEqualToString:@"--force-architecture"]) continue;
|
||||
if (!WQInstallDeb(path, out, err, options)) all = NO;
|
||||
}
|
||||
return all ? 0 : 1;
|
||||
}
|
||||
WQDPKGUsage(out);
|
||||
return 1;
|
||||
}
|
||||
|
||||
#pragma mark - apt
|
||||
|
||||
static NSString *WQAptIndexPath(void)
|
||||
{
|
||||
return [WQPackageRoot() stringByAppendingPathComponent:
|
||||
@"var/lib/apt/lists/Packages"];
|
||||
}
|
||||
|
||||
static NSString *WQAptSourcesPath(void)
|
||||
{
|
||||
return [WQPackageRoot() stringByAppendingPathComponent:@"etc/apt/sources.list"];
|
||||
}
|
||||
|
||||
static NSArray<NSString *> *WQAptStanzas(void)
|
||||
{
|
||||
NSString *text = [NSString stringWithContentsOfFile:WQAptIndexPath()
|
||||
encoding:NSUTF8StringEncoding error:nil] ?: @"";
|
||||
NSMutableArray *stanzas = [NSMutableArray array];
|
||||
for (NSString *stanza in [text componentsSeparatedByString:@"\n\n"])
|
||||
if (stanza.length) [stanzas addObject:stanza];
|
||||
return stanzas;
|
||||
}
|
||||
|
||||
static NSData *WQDownloadURL(NSString *urlString)
|
||||
{
|
||||
NSURL *url = [NSURL URLWithString:urlString];
|
||||
if (!url) return nil;
|
||||
if ([url isFileURL]) return [NSData dataWithContentsOfURL:url];
|
||||
dispatch_semaphore_t semaphore = dispatch_semaphore_create(0);
|
||||
__block NSData *result = nil;
|
||||
NSURLSessionDataTask *task = [NSURLSession.sharedSession dataTaskWithURL:url
|
||||
completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
|
||||
if (!error && [(NSHTTPURLResponse *)response statusCode] / 100 == 2)
|
||||
result = data;
|
||||
dispatch_semaphore_signal(semaphore);
|
||||
}];
|
||||
[task resume];
|
||||
dispatch_semaphore_wait(semaphore, dispatch_time(DISPATCH_TIME_NOW, 30 * NSEC_PER_SEC));
|
||||
return result;
|
||||
}
|
||||
|
||||
static void WQEnsureSources(void)
|
||||
{
|
||||
NSString *path = WQAptSourcesPath();
|
||||
if ([[NSFileManager defaultManager] fileExistsAtPath:path]) return;
|
||||
NSString *root = WQPackageRoot();
|
||||
NSString *line = [NSString stringWithFormat:@"deb [trusted=yes] file://%@/repo ./\n", root];
|
||||
[line writeToFile:path atomically:YES encoding:NSUTF8StringEncoding error:nil];
|
||||
}
|
||||
|
||||
static void WQAptUsage(FILE *out)
|
||||
{
|
||||
fprintf(out,
|
||||
"Usage: apt <command>\n"
|
||||
" update Refresh package indexes\n"
|
||||
" list List packages in the index\n"
|
||||
" search <text> Search package names/descriptions\n"
|
||||
" show <package> Show package details\n"
|
||||
" install <package|deb> Install a package\n"
|
||||
" remove|purge <package> Remove a package\n"
|
||||
" clean Clear downloaded archives\n"
|
||||
" --version Show version\n"
|
||||
"Root: %s\n", WQPackageRoot().UTF8String);
|
||||
}
|
||||
|
||||
int WQAptMain(int argc, char **argv, FILE *out, FILE *err)
|
||||
{
|
||||
WQEnsurePackageDirectories();
|
||||
WQEnsureSources();
|
||||
if (argc < 2) { WQAptUsage(out); return 1; }
|
||||
NSString *action = [NSString stringWithUTF8String:argv[1]];
|
||||
if ([action isEqualToString:@"--version"]) {
|
||||
fprintf(out, "apt 2.7 (FilzaSlop in-process)\n");
|
||||
return 0;
|
||||
}
|
||||
if ([action isEqualToString:@"update"]) {
|
||||
fprintf(out, "apt: updating package lists...\n");
|
||||
NSString *sources = [NSString stringWithContentsOfFile:WQAptSourcesPath()
|
||||
encoding:NSUTF8StringEncoding error:nil] ?: @"";
|
||||
NSMutableString *index = [NSMutableString string];
|
||||
for (NSString *line in [sources componentsSeparatedByString:@"\n"]) {
|
||||
if (![line hasPrefix:@"deb "]) continue;
|
||||
NSArray *parts = [line componentsSeparatedByString:@" "];
|
||||
NSString *uri = nil;
|
||||
for (NSString *part in parts) {
|
||||
if ([part hasPrefix:@"http://"] || [part hasPrefix:@"https://"] ||
|
||||
[part hasPrefix:@"file://"]) { uri = part; break; }
|
||||
}
|
||||
if (!uri.length) continue;
|
||||
NSArray *names = @[@"Packages", @"Packages.gz"];
|
||||
BOOL loaded = NO;
|
||||
for (NSString *name in names) {
|
||||
NSString *url = [uri stringByAppendingPathComponent:name];
|
||||
NSData *data = WQDownloadURL(url);
|
||||
if (!data.length) continue;
|
||||
if ([name hasSuffix:@".gz"]) {
|
||||
// Decompress gzip through libarchive's raw reader.
|
||||
WQArchive *archive = archive_read_new();
|
||||
archive_read_support_filter_all(archive);
|
||||
archive_read_support_format_raw(archive);
|
||||
if (archive_read_open_memory(archive, data.bytes, data.length) != ARCHIVE_OK) {
|
||||
archive_read_free(archive);
|
||||
continue;
|
||||
}
|
||||
struct archive_entry *entry;
|
||||
NSMutableData *plain = [NSMutableData data];
|
||||
if (archive_read_next_header(archive, &entry) == WQ_ARCHIVE_OK) {
|
||||
uint8_t buffer[65536];
|
||||
ssize_t got;
|
||||
while ((got = archive_read_data(archive, buffer, sizeof(buffer))) > 0)
|
||||
[plain appendBytes:buffer length:(NSUInteger)got];
|
||||
}
|
||||
archive_read_free(archive);
|
||||
data = plain;
|
||||
}
|
||||
NSString *text = [[NSString alloc] initWithData:data
|
||||
encoding:NSUTF8StringEncoding];
|
||||
if (text.length) {
|
||||
[index appendString:text];
|
||||
if (![index hasSuffix:@"\n"]) [index appendString:@"\n"];
|
||||
loaded = YES;
|
||||
break;
|
||||
}
|
||||
}
|
||||
fprintf(out, "%s: %s\n", loaded ? "Get" : "Err", uri.UTF8String);
|
||||
}
|
||||
[index writeToFile:WQAptIndexPath() atomically:YES
|
||||
encoding:NSUTF8StringEncoding error:nil];
|
||||
fprintf(out, "Reading package lists... Done\n");
|
||||
return 0;
|
||||
}
|
||||
if ([action isEqualToString:@"list"]) {
|
||||
for (NSString *stanza in WQAptStanzas()) {
|
||||
NSString *name = WQFieldFromStanza(stanza, @"Package") ?: @"";
|
||||
NSString *version = WQFieldFromStanza(stanza, @"Version") ?: @"";
|
||||
NSString *description = WQFieldFromStanza(stanza, @"Description") ?: @"";
|
||||
fprintf(out, "%s/%s %s %s\n", name.UTF8String,
|
||||
(WQFieldFromStanza(stanza, @"Architecture") ?: @"iphoneos-arm64").UTF8String,
|
||||
version.UTF8String, description.UTF8String);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
if ([action isEqualToString:@"search"]) {
|
||||
NSString *text = argc > 2 ? [NSString stringWithUTF8String:argv[2]] : @"";
|
||||
for (NSString *stanza in WQAptStanzas())
|
||||
if (text.length == 0 || [stanza.lowercaseString containsString:text.lowercaseString]) {
|
||||
NSString *name = WQFieldFromStanza(stanza, @"Package") ?: @"";
|
||||
NSString *description = WQFieldFromStanza(stanza, @"Description") ?: @"";
|
||||
fprintf(out, "%s - %s\n", name.UTF8String, description.UTF8String);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
if ([action isEqualToString:@"show"]) {
|
||||
if (argc < 3) { fprintf(err, "apt: missing package\n"); return 1; }
|
||||
NSString *package = [NSString stringWithUTF8String:argv[2]];
|
||||
for (NSString *stanza in WQAptStanzas())
|
||||
if ([WQFieldFromStanza(stanza, @"Package") isEqualToString:package]) {
|
||||
fprintf(out, "%s\n", stanza.UTF8String);
|
||||
return 0;
|
||||
}
|
||||
fprintf(err, "apt: package %s not found\n", package.UTF8String);
|
||||
return 1;
|
||||
}
|
||||
if ([action isEqualToString:@"install"]) {
|
||||
if (argc < 3) { fprintf(err, "apt: missing package\n"); return 1; }
|
||||
NSString *target = [NSString stringWithUTF8String:argv[2]];
|
||||
if ([[NSFileManager defaultManager] fileExistsAtPath:target] ||
|
||||
[target hasSuffix:@".deb"])
|
||||
return WQDPKGMain(3, (char *[]){(char *)"dpkg", (char *)"-i",
|
||||
(char *)target.UTF8String}, out, err) ? 0 : 1;
|
||||
for (NSString *stanza in WQAptStanzas()) {
|
||||
if (![WQFieldFromStanza(stanza, @"Package") isEqualToString:target]) continue;
|
||||
NSString *filename = WQFieldFromStanza(stanza, @"Filename");
|
||||
NSString *source = @"";
|
||||
NSString *sources = [NSString stringWithContentsOfFile:WQAptSourcesPath()
|
||||
encoding:NSUTF8StringEncoding error:nil] ?: @"";
|
||||
for (NSString *line in [sources componentsSeparatedByString:@"\n"])
|
||||
for (NSString *part in [line componentsSeparatedByString:@" "])
|
||||
if ([part hasPrefix:@"http"] || [part hasPrefix:@"file://"]) {
|
||||
source = part; break;
|
||||
}
|
||||
NSString *url = [source stringByAppendingPathComponent:filename ?: @""];
|
||||
NSData *deb = WQDownloadURL(url);
|
||||
NSString *cache = [[WQPackageRoot()
|
||||
stringByAppendingPathComponent:@"var/cache/apt/archives"]
|
||||
stringByAppendingPathComponent:filename.lastPathComponent ?: @"package.deb"];
|
||||
if (!deb.length || ![deb writeToFile:cache atomically:YES]) {
|
||||
fprintf(err, "apt: unable to download %s\n", url.UTF8String);
|
||||
return 1;
|
||||
}
|
||||
return WQDPKGMain(3, (char *[]){(char *)"dpkg", (char *)"-i",
|
||||
(char *)cache.UTF8String}, out, err) ? 0 : 1;
|
||||
}
|
||||
fprintf(err, "apt: package %s not found; run 'apt update'\n", target.UTF8String);
|
||||
return 1;
|
||||
}
|
||||
if ([action isEqualToString:@"remove"] || [action isEqualToString:@"purge"]) {
|
||||
if (argc < 3) { fprintf(err, "apt: missing package\n"); return 1; }
|
||||
return WQDPKGMain(argc, (char *[]){(char *)"dpkg", (char *)"-r",
|
||||
argv[2], NULL}, out, err) ? 0 : 1;
|
||||
}
|
||||
if ([action isEqualToString:@"clean"]) {
|
||||
NSString *archives = [WQPackageRoot()
|
||||
stringByAppendingPathComponent:@"var/cache/apt/archives"];
|
||||
for (NSString *name in [NSFileManager.defaultManager
|
||||
contentsOfDirectoryAtPath:archives error:nil])
|
||||
[NSFileManager.defaultManager removeItemAtPath:
|
||||
[archives stringByAppendingPathComponent:name] error:nil];
|
||||
fprintf(out, "apt: cache cleaned\n");
|
||||
return 0;
|
||||
}
|
||||
WQAptUsage(out);
|
||||
return 1;
|
||||
}
|
||||
|
||||
BOOL WQInstallDebPackage(NSString *path, NSString **message)
|
||||
{
|
||||
FILE *out = tmpfile();
|
||||
FILE *err = tmpfile();
|
||||
BOOL result = WQInstallDeb(path, out, err, @{});
|
||||
NSMutableString *text = [NSMutableString string];
|
||||
if (out) {
|
||||
fflush(out); rewind(out);
|
||||
char buffer[4096]; size_t got;
|
||||
while ((got = fread(buffer, 1, sizeof(buffer), out)) > 0)
|
||||
[text appendString:[[NSString alloc] initWithBytes:buffer
|
||||
length:got encoding:NSUTF8StringEncoding] ?: @""];
|
||||
fclose(out);
|
||||
}
|
||||
if (err) {
|
||||
fflush(err); rewind(err);
|
||||
char buffer[4096]; size_t got;
|
||||
while ((got = fread(buffer, 1, sizeof(buffer), err)) > 0)
|
||||
[text appendString:[[NSString alloc] initWithBytes:buffer
|
||||
length:got encoding:NSUTF8StringEncoding] ?: @""];
|
||||
fclose(err);
|
||||
}
|
||||
if (message) *message = text;
|
||||
return result;
|
||||
}
|
||||
Reference in new issue
Block a user