From 1abd6fb68307e9f09864bc428fb79c23427bf5c2 Mon Sep 17 00:00:00 2001 From: Patrick McDermott Date: Sat, 06 Apr 2019 13:01:53 -0400 Subject: patches: Detect and optionally suffix gzipped lists --- (limited to 'patches') diff --git a/patches/0005-libopkg-Detect-gzipped-pkg-lists-by-magic-number.patch b/patches/0005-libopkg-Detect-gzipped-pkg-lists-by-magic-number.patch new file mode 100644 index 0000000..98a6cfb --- /dev/null +++ b/patches/0005-libopkg-Detect-gzipped-pkg-lists-by-magic-number.patch @@ -0,0 +1,81 @@ +From e87ff77171376dca31941cacac97db7458fedc93 Mon Sep 17 00:00:00 2001 +From: Patrick McDermott +Date: Sat, 6 Apr 2019 12:40:05 -0400 +Subject: [PATCH 5/6] libopkg: Detect gzipped pkg lists by magic number + +Signed-off-by: Patrick McDermott +--- + libbb/gzip.h | 2 ++ + libopkg/pkg_hash.c | 27 ++++++++++++++++++++------- + 2 files changed, 22 insertions(+), 7 deletions(-) + +diff --git a/libbb/gzip.h b/libbb/gzip.h +index 3a61a1d..28e3a50 100644 +--- a/libbb/gzip.h ++++ b/libbb/gzip.h +@@ -22,6 +22,8 @@ + #include + #include + ++#define GZIP_MAGIC "\037\213" /* gzip magic number, 1F 8B */ ++ + struct gzip_handle { + FILE *file; + struct gzip_handle *gzip; +diff --git a/libopkg/pkg_hash.c b/libopkg/pkg_hash.c +index 611f3b9..b536db7 100644 +--- a/libopkg/pkg_hash.c ++++ b/libopkg/pkg_hash.c +@@ -99,21 +99,34 @@ pkg_hash_add_from_file(const char *file_name, + { + pkg_t *pkg; + FILE *fp; ++ char magic[2]; ++ int is_gzip = 0; + 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"); +- } +- ++ fp = fopen(file_name, "r"); + if (fp == NULL) { + opkg_perror(ERROR, "Failed to open %s", file_name); + return -1; + } ++ if (fread(magic, 1, 2, fp) != 2) { ++ opkg_perror(ERROR, "Failed to read %s", file_name); ++ fclose(fp); ++ return -1; ++ } ++ (void)fseek(fp, 0L, SEEK_SET); ++ ++ if (src && src->gzip && memcmp(magic, GZIP_MAGIC, 2) == 0) { ++ fclose(fp); ++ fp = gzip_fdopen(&zh, file_name); ++ if (fp == NULL) { ++ opkg_perror(ERROR, "Failed to open %s", file_name); ++ return -1; ++ } ++ is_gzip = 1; ++ } + + buf = xmalloc(len); + +@@ -165,7 +178,7 @@ pkg_hash_add_from_file(const char *file_name, + free(buf); + fclose(fp); + +- if (src && src->gzip) ++ if (is_gzip) + gzip_close(&zh); + + return ret; +-- +2.11.0 + diff --git a/patches/0006-libopkg-Add-optional-suffix-to-list-files.patch b/patches/0006-libopkg-Add-optional-suffix-to-list-files.patch new file mode 100644 index 0000000..58c381e --- /dev/null +++ b/patches/0006-libopkg-Add-optional-suffix-to-list-files.patch @@ -0,0 +1,63 @@ +From 653d45cca7aff2ced1abc6fba4e3a71aec842abb Mon Sep 17 00:00:00 2001 +From: Patrick McDermott +Date: Sat, 6 Apr 2019 12:53:07 -0400 +Subject: [PATCH 6/6] libopkg: Add optional suffix to list files + +Signed-off-by: Patrick McDermott +--- + CMakeLists.txt | 2 ++ + libopkg/opkg.c | 3 ++- + libopkg/opkg_cmd.c | 3 ++- + 3 files changed, 6 insertions(+), 2 deletions(-) + +diff --git a/CMakeLists.txt b/CMakeLists.txt +index dfb1b81..6bf4da9 100644 +--- a/CMakeLists.txt ++++ b/CMakeLists.txt +@@ -10,6 +10,7 @@ SET(CONF_FILE "/etc/opkg.conf" CACHE STRING "Override default configuration file + SET(LOCK_FILE "/var/lock/opkg.lock" CACHE STRING "Override lock file path") + SET(STATE_DIR_PREFIX "/usr/lib" CACHE STRING "Override opkg state directory prefix") + SET(PATH_SPEC "/usr/sbin:/usr/bin:/sbin:/bin" CACHE STRING "Override default PATH value") ++SET(LIST_FILES_SUFFIX "" CACHE STRING "Override list files suffix, e.g. .gz") + SET(VERSION "" CACHE STRING "Override version") + + OPTION(STATIC_UBOX "Statically link libubox" OFF) +@@ -47,6 +48,7 @@ ADD_DEFINITIONS(-Os -Wall --std=gnu99 -g3 -Wmissing-declarations + -DHOST_CPU_STR="${HOST_CPU}" + -DBUILD_CPU=${BUILD_CPU} + -DPATH_SPEC="${PATH_SPEC}" ++ -DLIST_FILES_SUFFIX="${LIST_FILES_SUFFIX}" + -DVERSION="${VERSION}" + ) + +diff --git a/libopkg/opkg.c b/libopkg/opkg.c +index aba6364..09de2d6 100644 +--- a/libopkg/opkg.c ++++ b/libopkg/opkg.c +@@ -537,7 +537,8 @@ opkg_update_package_lists(opkg_progress_callback_t progress_callback, + sprintf_alloc(&url, "%s/%s", src->value, + src->gzip ? "Packages.gz" : "Packages"); + +- sprintf_alloc(&list_file_name, "%s/%s", lists_dir, src->name); ++ sprintf_alloc(&list_file_name, "%s/%s" LIST_FILES_SUFFIX, ++ lists_dir, src->name); + + if (opkg_download(url, list_file_name, 0)) { + opkg_msg(ERROR, "Couldn't retrieve %s\n", url); +diff --git a/libopkg/opkg_cmd.c b/libopkg/opkg_cmd.c +index 0a4180d..8e04b54 100644 +--- a/libopkg/opkg_cmd.c ++++ b/libopkg/opkg_cmd.c +@@ -128,7 +128,8 @@ static int opkg_update_cmd(int argc, char **argv) + sprintf_alloc(&url, "%s/%s", src->value, + src->gzip ? "Packages.gz" : "Packages"); + +- sprintf_alloc(&list_file_name, "%s/%s", lists_dir, src->name); ++ sprintf_alloc(&list_file_name, "%s/%s" LIST_FILES_SUFFIX, ++ lists_dir, src->name); + pkglist_dl_error = 0; + if (opkg_download(url, list_file_name, 0)) { + failures++; +-- +2.11.0 + -- cgit v0.9.1