Revert "opkg: vfork external gzip command to uncompress data"

This reverts commit 0090adcd5c94adad2168cd9b338f45827533c81d.
It breaks reading package list in /tmp/opkg-lists, making it impossible
to install packages from feeds in snapshots.

3 files changed, 22 insertions, 745 deletions

diff --git a/package/system/opkg/patches/070-use_external_gzip.patch b/package/system/opkg/patches/070-use_external_gzip.patch
deleted file mode 100644
index b3e70e4d07..0000000000
--- a/package/system/opkg/patches/070-use_external_gzip.patch
+++ /dev/null
@@ -1,719 +0,0 @@
---- a/libbb/unarchive.c
-+++ b/libbb/unarchive.c
-@@ -28,6 +28,7 @@
- #include <libgen.h>
- 
- #include "libbb.h"
-+#include "gzip.h"
- 
- #define CONFIG_FEATURE_TAR_OLDGNU_COMPATABILITY 1
- #define CONFIG_FEATURE_TAR_GNU_EXTENSIONS
-@@ -39,38 +40,15 @@ static char *linkname = NULL;
- 
- off_t archive_offset;
- 
--#define SEEK_BUF 4096
- static ssize_t
--seek_by_read(FILE* fd, size_t len)
--{
--        ssize_t cc, total = 0;
--        char buf[SEEK_BUF];
--
--        while (len) {
--                cc = fread(buf, sizeof(buf[0]),
--                                len > SEEK_BUF ? SEEK_BUF : len,
--                                fd);
--
--                total += cc;
--                len -= cc;
--
--                if(feof(fd) || ferror(fd))
--                        break;
--        }
--        return total;
--}
--
--static void
--seek_sub_file(FILE *fd, const int count)
-+seek_forward(struct gzip_handle *zh, ssize_t len)
- {
--	archive_offset += count;
-+	ssize_t slen = gzip_seek(zh, len);
- 
--	/* Do not use fseek() on a pipe. It may fail with ESPIPE, leaving the
--	 * stream at an undefined location.
--	 */
--        seek_by_read(fd, count);
-+	if (slen == len)
-+		archive_offset += len;
- 
--	return;
-+	return slen;
- }
- 
- 
-@@ -87,7 +65,7 @@ seek_sub_file(FILE *fd, const int count)
-  * trailing '/' or else the last dir will be assumed to be the file prefix
-  */
- static char *
--extract_archive(FILE *src_stream, FILE *out_stream,
-+extract_archive(struct gzip_handle *src_stream, FILE *out_stream,
- 		const file_header_t *file_entry, const int function,
- 		const char *prefix,
- 		int *err)
-@@ -129,14 +107,14 @@ extract_archive(FILE *src_stream, FILE *
- 
- 	if (function & extract_to_stream) {
- 		if (S_ISREG(file_entry->mode)) {
--			*err = copy_file_chunk(src_stream, out_stream, file_entry->size);
-+			*err = gzip_copy(src_stream, out_stream, file_entry->size);
- 			archive_offset += file_entry->size;
- 		}
- 	}
- 	else if (function & extract_one_to_buffer) {
- 		if (S_ISREG(file_entry->mode)) {
- 			buffer = (char *) xmalloc(file_entry->size + 1);
--			fread(buffer, 1, file_entry->size, src_stream);
-+			gzip_read(src_stream, buffer, file_entry->size);
- 			buffer[file_entry->size] = '\0';
- 			archive_offset += file_entry->size;
- 			goto cleanup;
-@@ -156,7 +134,7 @@ extract_archive(FILE *src_stream, FILE *
- 					*err = -1;
- 					error_msg("%s not created: newer or same age file exists", file_entry->name);
- 				}
--				seek_sub_file(src_stream, file_entry->size);
-+				seek_forward(src_stream, file_entry->size);
- 				goto cleanup;
- 			}
- 		}
-@@ -185,11 +163,11 @@ extract_archive(FILE *src_stream, FILE *
- 				} else {
- 					if ((dst_stream = wfopen(full_name, "w")) == NULL) {
- 						*err = -1;
--						seek_sub_file(src_stream, file_entry->size);
-+						seek_forward(src_stream, file_entry->size);
- 						goto cleanup;
- 					}
- 					archive_offset += file_entry->size;
--					*err = copy_file_chunk(src_stream, dst_stream, file_entry->size);
-+					*err = gzip_copy(src_stream, dst_stream, file_entry->size);
- 					fclose(dst_stream);
- 				}
- 				break;
-@@ -250,7 +228,7 @@ extract_archive(FILE *src_stream, FILE *
- 		/* If we arent extracting data we have to skip it,
- 		 * if data size is 0 then then just do it anyway
- 		 * (saves testing for it) */
--		seek_sub_file(src_stream, file_entry->size);
-+		seek_forward(src_stream, file_entry->size);
- 	}
- 
- 	/* extract_list and extract_verbose_list can be used in conjunction
-@@ -274,8 +252,8 @@ cleanup:
- }
- 
- static char *
--unarchive(FILE *src_stream, FILE *out_stream,
--		file_header_t *(*get_headers)(FILE *),
-+unarchive(struct gzip_handle *src_stream, FILE *out_stream,
-+		file_header_t *(*get_headers)(struct gzip_handle *),
- 		void (*free_headers)(file_header_t *),
- 		const int extract_function,
- 		const char *prefix,
-@@ -329,7 +307,7 @@ unarchive(FILE *src_stream, FILE *out_st
- 			}
- 		} else {
- 			/* seek past the data entry */
--			seek_sub_file(src_stream, file_entry->size);
-+			seek_forward(src_stream, file_entry->size);
- 		}
- 		free_headers(file_entry);
- 	}
-@@ -337,108 +315,9 @@ unarchive(FILE *src_stream, FILE *out_st
- 	return buffer;
- }
- 
--static file_header_t *
--get_header_ar(FILE *src_stream)
--{
--	file_header_t *typed;
--	union {
--		char raw[60];
--	 	struct {
-- 			char name[16];
-- 			char date[12];
-- 			char uid[6];
-- 			char gid[6];
-- 			char mode[8];
-- 			char size[10];
-- 			char magic[2];
-- 		} formated;
--	} ar;
--	static char *ar_long_names;
--
--	if (fread(ar.raw, 1, 60, src_stream) != 60) {
--		return(NULL);
--	}
--	archive_offset += 60;
--	/* align the headers based on the header magic */
--	if ((ar.formated.magic[0] != '`') || (ar.formated.magic[1] != '\n')) {
--		/* some version of ar, have an extra '\n' after each data entry,
--		 * this puts the next header out by 1 */
--		if (ar.formated.magic[1] != '`') {
--			error_msg("Invalid magic");
--			return(NULL);
--		}
--		/* read the next char out of what would be the data section,
--		 * if its a '\n' then it is a valid header offset by 1*/
--		archive_offset++;
--		if (fgetc(src_stream) != '\n') {
--			error_msg("Invalid magic");
--			return(NULL);
--		}
--		/* fix up the header, we started reading 1 byte too early */
--		/* raw_header[60] wont be '\n' as it should, but it doesnt matter */
--		memmove(ar.raw, &ar.raw[1], 59);
--	}
--
--	typed = (file_header_t *) xcalloc(1, sizeof(file_header_t));
--
--	typed->size = (size_t) atoi(ar.formated.size);
--	/* long filenames have '/' as the first character */
--	if (ar.formated.name[0] == '/') {
--		if (ar.formated.name[1] == '/') {
--			/* If the second char is a '/' then this entries data section
--			 * stores long filename for multiple entries, they are stored
--			 * in static variable long_names for use in future entries */
--			ar_long_names = (char *) xrealloc(ar_long_names, typed->size);
--			fread(ar_long_names, 1, typed->size, src_stream);
--			archive_offset += typed->size;
--			/* This ar entries data section only contained filenames for other records
--			 * they are stored in the static ar_long_names for future reference */
--			return (get_header_ar(src_stream)); /* Return next header */
--		} else if (ar.formated.name[1] == ' ') {
--			/* This is the index of symbols in the file for compilers */
--			seek_sub_file(src_stream, typed->size);
--			return (get_header_ar(src_stream)); /* Return next header */
--		} else {
--			/* The number after the '/' indicates the offset in the ar data section
--			(saved in variable long_name) that conatains the real filename */
--			if (!ar_long_names) {
--				error_msg("Cannot resolve long file name");
--				return (NULL);
--			}
--			typed->name = xstrdup(ar_long_names + atoi(&ar.formated.name[1]));
--		}
--	} else {
--		/* short filenames */
--		typed->name = xcalloc(1, 16);
--		strncpy(typed->name, ar.formated.name, 16);
--	}
--	typed->name[strcspn(typed->name, " /")]='\0';
--
--	/* convert the rest of the now valid char header to its typed struct */
--	parse_mode(ar.formated.mode, &typed->mode);
--	typed->mtime = atoi(ar.formated.date);
--	typed->uid = atoi(ar.formated.uid);
--	typed->gid = atoi(ar.formated.gid);
--
--	return(typed);
--}
--
--static void
--free_header_ar(file_header_t *ar_entry)
--{
--	if (ar_entry == NULL)
--		return;
--
--	free(ar_entry->name);
--	if (ar_entry->link_name)
--		free(ar_entry->link_name);
--
--	free(ar_entry);
--}
--
- 
- static file_header_t *
--get_header_tar(FILE *tar_stream)
-+get_header_tar(struct gzip_handle *tar_stream)
- {
- 	union {
- 		unsigned char raw[512];
-@@ -467,10 +346,10 @@ get_header_tar(FILE *tar_stream)
- 	long sum = 0;
- 
- 	if (archive_offset % 512 != 0) {
--		seek_sub_file(tar_stream, 512 - (archive_offset % 512));
-+		seek_forward(tar_stream, 512 - (archive_offset % 512));
- 	}
- 
--	if (fread(tar.raw, 1, 512, tar_stream) != 512) {
-+	if (gzip_read(tar_stream, tar.raw, 512) != 512) {
- 		/* Unfortunately its common for tar files to have all sorts of
- 		 * trailing garbage, fail silently */
- //		error_msg("Couldnt read header");
-@@ -557,7 +436,7 @@ get_header_tar(FILE *tar_stream)
- # ifdef CONFIG_FEATURE_TAR_GNU_EXTENSIONS
- 	case 'L': {
- 			longname = xmalloc(tar_entry->size + 1);
--                        if(fread(longname, tar_entry->size, 1, tar_stream) != 1)
-+                        if(gzip_read(tar_stream, longname, tar_entry->size) != tar_entry->size)
-                                 return NULL;
- 			longname[tar_entry->size] = '\0';
- 			archive_offset += tar_entry->size;
-@@ -566,7 +445,7 @@ get_header_tar(FILE *tar_stream)
- 		}
- 	case 'K': {
- 			linkname = xmalloc(tar_entry->size + 1);
--                        if(fread(linkname, tar_entry->size, 1, tar_stream) != 1)
-+                        if(gzip_read(tar_stream, linkname, tar_entry->size) != tar_entry->size)
-                                 return NULL;
- 			linkname[tar_entry->size] = '\0';
- 			archive_offset += tar_entry->size;
-@@ -642,6 +521,9 @@ deb_extract(const char *package_filename
- 	char *ared_file = NULL;
- 	char ar_magic[8];
- 	int gz_err;
-+	struct gzip_handle tar_outer, tar_inner;
-+	file_header_t *tar_header;
-+	ssize_t len;
- 
- 	*err = 0;
- 
-@@ -672,111 +554,44 @@ deb_extract(const char *package_filename
- 	/* set the buffer size */
- 	setvbuf(deb_stream, NULL, _IOFBF, 0x8000);
- 
--	/* check ar magic */
--	fread(ar_magic, 1, 8, deb_stream);
--
--	if (strncmp(ar_magic,"!<arch>",7) == 0) {
--		archive_offset = 8;
-+	memset(&tar_outer, 0, sizeof(tar_outer));
-+	tar_outer.file = deb_stream;
-+	gzip_exec(&tar_outer, NULL);
- 
--		while ((ar_header = get_header_ar(deb_stream)) != NULL) {
--			if (strcmp(ared_file, ar_header->name) == 0) {
--				int gunzip_pid = 0;
--				FILE *uncompressed_stream;
--				/* open a stream of decompressed data */
--				uncompressed_stream = gz_open(deb_stream, &gunzip_pid);
--				if (uncompressed_stream == NULL) {
--					*err = -1;
--					goto cleanup;
--				}
-+	/* walk through outer tar file to find ared_file */
-+	while ((tar_header = get_header_tar(&tar_outer)) != NULL) {
-+                    int name_offset = 0;
-+                    if (strncmp(tar_header->name, "./", 2) == 0)
-+                            name_offset = 2;
- 
--				archive_offset = 0;
--				output_buffer = unarchive(uncompressed_stream,
--						out_stream, get_header_tar,
--						free_header_tar,
--						extract_function, prefix,
--						file_list, err);
--				fclose(uncompressed_stream);
--				gz_err = gz_close(gunzip_pid);
--				if (gz_err)
--					*err = -1;
--				free_header_ar(ar_header);
--				break;
--			}
--			if (fseek(deb_stream, ar_header->size, SEEK_CUR) == -1) {
--				opkg_perror(ERROR, "Couldn't fseek into %s", package_filename);
--				*err = -1;
--				free_header_ar(ar_header);
--				goto cleanup;
--			}
--			free_header_ar(ar_header);
--		}
--		goto cleanup;
--	} else if (strncmp(ar_magic, "\037\213", 2) == 0) {
--		/* it's a gz file, let's assume it's an opkg */
--		int unzipped_opkg_pid;
--		FILE *unzipped_opkg_stream;
--		file_header_t *tar_header;
--		archive_offset = 0;
--		if (fseek(deb_stream, 0, SEEK_SET) == -1) {
--			opkg_perror(ERROR, "Couldn't fseek into %s", package_filename);
--			*err = -1;
--			goto cleanup;
--		}
--		unzipped_opkg_stream = gz_open(deb_stream, &unzipped_opkg_pid);
--		if (unzipped_opkg_stream == NULL) {
--			*err = -1;
--			goto cleanup;
--		}
-+		if (strcmp(ared_file, tar_header->name+name_offset) == 0) {
-+			memset(&tar_inner, 0, sizeof(tar_inner));
-+			tar_inner.gzip = &tar_outer;
-+			gzip_exec(&tar_inner, NULL);
- 
--		/* walk through outer tar file to find ared_file */
--		while ((tar_header = get_header_tar(unzipped_opkg_stream)) != NULL) {
--                        int name_offset = 0;
--                        if (strncmp(tar_header->name, "./", 2) == 0)
--                                name_offset = 2;
--			if (strcmp(ared_file, tar_header->name+name_offset) == 0) {
--				int gunzip_pid = 0;
--				FILE *uncompressed_stream;
--				/* open a stream of decompressed data */
--				uncompressed_stream = gz_open(unzipped_opkg_stream, &gunzip_pid);
--				if (uncompressed_stream == NULL) {
--					*err = -1;
--					goto cleanup;
--				}
--				archive_offset = 0;
-+			archive_offset = 0;
- 
--				output_buffer = unarchive(uncompressed_stream,
--							  out_stream,
--							  get_header_tar,
--							  free_header_tar,
--							  extract_function,
--							  prefix,
--							  file_list,
--							  err);
-+			output_buffer = unarchive(&tar_inner,
-+						  out_stream,
-+						  get_header_tar,
-+						  free_header_tar,
-+						  extract_function,
-+						  prefix,
-+						  file_list,
-+						  err);
- 
--				free_header_tar(tar_header);
--				fclose(uncompressed_stream);
--				gz_err = gz_close(gunzip_pid);
--				if (gz_err)
--					*err = -1;
--				break;
--			}
--			seek_sub_file(unzipped_opkg_stream, tar_header->size);
- 			free_header_tar(tar_header);
-+			gzip_close(&tar_inner);
-+			break;
- 		}
--		fclose(unzipped_opkg_stream);
--		gz_err = gz_close(unzipped_opkg_pid);
--		if (gz_err)
--			*err = -1;
- 
--		goto cleanup;
--	} else {
--		*err = -1;
--		error_msg("%s: invalid magic", package_filename);
-+		seek_forward(&tar_outer, tar_header->size);
-+		free_header_tar(tar_header);
- 	}
- 
- cleanup:
--	if (deb_stream)
--		fclose(deb_stream);
-+	gzip_close(&tar_outer);
-+
- 	if (file_list)
- 		free(file_list);
- 
---- /dev/null
-+++ b/libbb/gzip.h
-@@ -0,0 +1,41 @@
-+/*
-+ *  Copyright (C) 2016 Jo-Philipp Wich <jo@mein.io>
-+ *
-+ *  Zlib decrompression utility routines.
-+ *
-+ *  This program 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 program 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 Library General Public License for more details.
-+ *
-+ *  You should have received a copy of the GNU General Public License
-+ *  along with this program; if not, write to the Free Software
-+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-+ */
-+
-+#include <stdio.h>
-+#include <signal.h>
-+#include <pthread.h>
-+
-+struct gzip_handle {
-+	FILE *file;
-+	struct gzip_handle *gzip;
-+
-+	pid_t pid;
-+	int rfd, wfd;
-+	struct sigaction pipe_sa;
-+	pthread_t thread;
-+};
-+
-+int gzip_exec(struct gzip_handle *zh, const char *filename);
-+ssize_t gzip_read(struct gzip_handle *zh, char *buf, ssize_t len);
-+ssize_t gzip_copy(struct gzip_handle *zh, FILE *out, ssize_t len);
-+int gzip_close(struct gzip_handle *zh);
-+FILE *gzip_fdopen(struct gzip_handle *zh, const char *filename);
-+
-+#define gzip_seek(zh, len) gzip_copy(zh, NULL, len)
---- a/libbb/Makefile.am
-+++ b/libbb/Makefile.am
-@@ -4,9 +4,8 @@ ALL_CFLAGS=-g -O -Wall -DHOST_CPU_STR=\"
- 
- noinst_LIBRARIES = libbb.a
- 
--libbb_a_SOURCES = gz_open.c \
-+libbb_a_SOURCES = \
- 	libbb.h \
--	unzip.c \
- 	wfopen.c \
- 	unarchive.c \
- 	copy_file.c \
-@@ -20,7 +19,8 @@ libbb_a_SOURCES = gz_open.c \
- 	parse_mode.c \
- 	time_string.c \
- 	all_read.c \
--	mode_string.c
-+	mode_string.c \
-+	gzip.c
- 
- libbb_la_CFLAGS = $(ALL_CFLAGS)
- #libbb_la_LDFLAGS = -static
---- /dev/null
-+++ b/libbb/gzip.c
-@@ -0,0 +1,208 @@
-+/*
-+ *  Copyright (C) 2016 Jo-Philipp Wich <jo@mein.io>
-+ *  Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
-+ *
-+ *  Zlib decrompression utility routines.
-+ *
-+ *  This program 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 program 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 Library General Public License for more details.
-+ *
-+ *  You should have received a copy of the GNU General Public License
-+ *  along with this program; if not, write to the Free Software
-+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-+ */
-+
-+#include <string.h>
-+#include <errno.h>
-+#include <fcntl.h>
-+#include <unistd.h>
-+#include <poll.h>
-+#include <stdlib.h>
-+#include <sys/stat.h>
-+#include <sys/wait.h>
-+
-+#include "gzip.h"
-+
-+static void
-+to_devnull(int fd)
-+{
-+	int devnull = open("/dev/null", fd ? O_WRONLY : O_RDONLY);
-+
-+	if (devnull >= 0)
-+		dup2(devnull, fd);
-+
-+	if (devnull > STDERR_FILENO)
-+		close(devnull);
-+}
-+
-+void *
-+gzip_thread(void *ptr)
-+{
-+	struct gzip_handle *zh = ptr;
-+	char buf[4096];
-+	int len, ret;
-+
-+	while (1) {
-+		if (zh->file)
-+			len = fread(buf, 1, sizeof(buf), zh->file);
-+		else if (zh->gzip)
-+			len = gzip_read(zh->gzip, buf, sizeof(buf));
-+
-+		if (len <= 0)
-+			break;
-+
-+		do {
-+			ret = write(zh->wfd, buf, len);
-+		} while (ret == -1 && errno == EINTR);
-+	}
-+
-+	close(zh->wfd);
-+	zh->wfd = -1;
-+}
-+
-+int
-+gzip_exec(struct gzip_handle *zh, const char *filename)
-+{
-+	int rpipe[2] = { -1, -1 }, wpipe[2] = { -1, -1 };
-+	struct sigaction pipe_sa = { .sa_handler = SIG_IGN };
-+
-+	zh->rfd = -1;
-+	zh->wfd = -1;
-+
-+	if (sigaction(SIGPIPE, &pipe_sa, &zh->pipe_sa) < 0)
-+		return -1;
-+
-+	if (pipe(rpipe) < 0)
-+		return -1;
-+
-+	if (!filename && pipe(wpipe) < 0) {
-+		close(rpipe[0]);
-+		close(rpipe[1]);
-+		return -1;
-+	}
-+
-+	zh->pid = vfork();
-+
-+	switch (zh->pid) {
-+		case -1:
-+			return -1;
-+
-+		case 0:
-+			to_devnull(STDERR_FILENO);
-+
-+			if (filename) {
-+				to_devnull(STDIN_FILENO);
-+			}
-+			else {
-+				dup2(wpipe[0], STDIN_FILENO);
-+				close(wpipe[0]);
-+				close(wpipe[1]);
-+			}
-+
-+			dup2(rpipe[1], STDOUT_FILENO);
-+			close(rpipe[0]);
-+			close(rpipe[1]);
-+
-+			execlp("gzip", "gzip", "-d", filename ? filename : "-c", NULL);
-+			exit(-1);
-+
-+		default:
-+			zh->rfd = rpipe[0];
-+			zh->wfd = wpipe[1];
-+
-+			fcntl(zh->rfd, F_SETFD, fcntl(zh->rfd, F_GETFD) | FD_CLOEXEC);
-+			close(rpipe[1]);
-+
-+			if (zh->wfd >= 0) {
-+				fcntl(zh->wfd, F_SETFD, fcntl(zh->wfd, F_GETFD) | FD_CLOEXEC);
-+				close(wpipe[0]);
-+				pthread_create(&zh->thread, NULL, gzip_thread, zh);
-+			}
-+	}
-+
-+	return 0;
-+}
-+
-+ssize_t
-+gzip_read(struct gzip_handle *zh, char *buf, ssize_t len)
-+{
-+	ssize_t ret;
-+
-+	do {
-+		ret = read(zh->rfd, buf, len);
-+	} while (ret == -1 && errno != EINTR);
-+
-+	return ret;
-+}
-+
-+ssize_t
-+gzip_copy(struct gzip_handle *zh, FILE *out, ssize_t len)
-+{
-+	char buf[4096];
-+	ssize_t rlen, total = 0;
-+
-+	while (len > 0) {
-+		rlen = gzip_read(zh, buf,
-+				    (len > sizeof(buf)) ? sizeof(buf) : len);
-+
-+		if (rlen <= 0)
-+			break;
-+
-+		if (out != NULL) {
-+			if (fwrite(buf, 1, rlen, out) != rlen)
-+				break;
-+		}
-+
-+		len -= rlen;
-+		total += rlen;
-+	}
-+
-+	return total;
-+}
-+
-+FILE *
-+gzip_fdopen(struct gzip_handle *zh, const char *filename)
-+{
-+	memset(zh, 0, sizeof(*zh));
-+
-+	if (!filename || gzip_exec(zh, filename) < 0)
-+		return NULL;
-+
-+	fcntl(zh->rfd, F_SETFL, fcntl(zh->rfd, F_GETFL) & ~O_NONBLOCK);
-+
-+	return fdopen(zh->rfd, "r");
-+}
-+
-+int
-+gzip_close(struct gzip_handle *zh)
-+{
-+	int code = -1;
-+
-+	if (zh->rfd >= 0)
-+		close(zh->rfd);
-+
-+	if (zh->wfd >= 0)
-+		close(zh->wfd);
-+
-+	if (zh->pid > 0) {
-+		kill(zh->pid, SIGKILL);
-+		waitpid(zh->pid, &code, 0);
-+	}
-+
-+	if (zh->file)
-+		fclose(zh->file);
-+
-+	if (zh->thread)
-+		pthread_join(zh->thread, NULL);
-+
-+	sigaction(SIGPIPE, &zh->pipe_sa, NULL);
-+
-+	return WIFEXITED(code) ? WEXITSTATUS(code) : -1;
-+}
---- a/src/Makefile.am
-+++ b/src/Makefile.am
-@@ -3,4 +3,4 @@ bin_PROGRAMS = opkg-cl
- 
- opkg_cl_SOURCES = opkg-cl.c
- opkg_cl_LDADD = $(top_builddir)/libopkg/libopkg.a \
--                $(top_builddir)/libbb/libbb.a $(CURL_LIBS) $(GPGME_LIBS) $(OPENSSL_LIBS) $(PATHFINDER_LIBS)
-+                $(top_builddir)/libbb/libbb.a $(CURL_LIBS) $(GPGME_LIBS) $(OPENSSL_LIBS) $(PATHFINDER_LIBS) -lpthread
---- a/tests/Makefile.am
-+++ b/tests/Makefile.am
-@@ -16,7 +16,7 @@ noinst_PROGRAMS = libopkg_test
- #opkg_active_list_test_SOURCES = opkg_active_list_test.c
- #opkg_active_list_test_CFLAGS = $(ALL_CFLAGS) -I$(top_srcdir)
- 
--libopkg_test_LDADD = $(top_builddir)/libopkg/libopkg.a $(top_builddir)/libbb/libbb.a $(CURL_LIBS) $(GPGME_LIBS) $(OPENSSL_LIBS) $(PATHFINDER_LIBS)
-+libopkg_test_LDADD = $(top_builddir)/libopkg/libopkg.a $(top_builddir)/libbb/libbb.a $(CURL_LIBS) $(GPGME_LIBS) $(OPENSSL_LIBS) $(PATHFINDER_LIBS) -lpthread
- libopkg_test_SOURCE = libopkg_test.c
- libopkg_test_LDFLAGS = -static
- 
diff --git a/package/system/opkg/patches/071-use_gzipped_pkg_list.patch b/package/system/opkg/patches/070-use_gzipped_pkg_list.patch
index e102868d36..d32b519182 100644
--- a/package/system/opkg/patches/071-use_gzipped_pkg_list.patch
+++ b/package/system/opkg/patches/070-use_gzipped_pkg_list.patch
@@ -8,7 +8,7 @@
 -			FILE *in, *out;
 -			struct _curl_cb_data cb_data;
 -			char *tmp_file_name = NULL;
--
+ 
 -			sprintf_alloc(&tmp_file_name, "%s/%s.gz", tmp,
 -				      src->name);
 -
@@ -26,7 +26,7 @@
 -			err = opkg_download(url, tmp_file_name,
 -					  (curl_progress_func) curl_progress_cb,
 -					  &cb_data, 0);
- 
+-
 -			if (err == 0) {
 -				opkg_msg(INFO, "Inflating %s...\n",
 -						tmp_file_name);
@@ -87,38 +87,34 @@
  	       opkg_msg(NOTICE, "Updated list of available packages in %s.\n",
 --- a/libopkg/pkg_hash.c
 +++ b/libopkg/pkg_hash.c
-@@ -29,6 +29,7 @@
- #include "sprintf_alloc.h"
- #include "file_util.h"
- #include "libbb/libbb.h"
-+#include "libbb/gzip.h"
- 
- void
- pkg_hash_init(void)
-@@ -106,8 +107,15 @@ pkg_hash_add_from_file(const char *file_
+@@ -102,12 +102,18 @@ pkg_hash_add_from_file(const char *file_
+ 			pkg_src_t *src, pkg_dest_t *dest, int is_status_file)
+ {
+ 	pkg_t *pkg;
+-	FILE *fp;
++	FILE *fp, *fp_c = NULL;
  	char *buf;
  	const size_t len = 4096;
  	int ret = 0;
-+	struct gzip_handle zh;
-+
-+	if (src && src->gzip) {
-+		fp = gzip_fdopen(&zh, file_name);
-+	}
-+	else {
-+		fp = fopen(file_name, "r");
-+ 	}
++	int pid;
  
--	fp = fopen(file_name, "r");
+ 	fp = fopen(file_name, "r");
++	if (fp && src && src->gzip) {
++		fp_c = fp;
++		fp = gz_open(fp_c, &pid);
++	}
++
  	if (fp == NULL) {
  		opkg_perror(ERROR, "Failed to open %s", file_name);
  		return -1;
-@@ -155,6 +163,9 @@ pkg_hash_add_from_file(const char *file_
+@@ -154,6 +160,10 @@ pkg_hash_add_from_file(const char *file_
+ 
  	free(buf);
  	fclose(fp);
++	if (fp_c) {
++		fclose(fp_c);
++		gz_close(pid);
++	}
  
-+	if (src && src->gzip)
-+		gzip_close(&zh);
-+
  	return ret;
  }
- 
diff --git a/package/system/opkg/patches/220-drop-release-support.patch b/package/system/opkg/patches/220-drop-release-support.patch
index b674e33a91..131c2cba6b 100644
--- a/package/system/opkg/patches/220-drop-release-support.patch
+++ b/package/system/opkg/patches/220-drop-release-support.patch
@@ -769,7 +769,7 @@
  #include "pkg.h"
  #include "opkg_message.h"
  #include "pkg_vec.h"
-@@ -184,40 +183,6 @@ pkg_hash_load_feeds(void)
+@@ -183,40 +182,6 @@ pkg_hash_load_feeds(void)
  	lists_dir = conf->restrict_to_default_dest ?
  		conf->default_dest->lists_dir : conf->lists_dir;