Commit 6926e206 authored by Timo Teräs's avatar Timo Teräs

abuild-gzsplit: new tool to split .apk to it's base components

required tool for re-signing packages
parent 8bddd02b
......@@ -10,7 +10,7 @@ datadir ?= $(prefix)/share/$(PACKAGE)
SCRIPTS := abuild abuild-keygen abuild-sign newapkbuild \
abump apkgrel buildlab apkbuild-cpan checkapk \
apkbuild-gem-resolver
USR_BIN_FILES := $(SCRIPTS) abuild-tar abuild-sudo abuild-fetch
USR_BIN_FILES := $(SCRIPTS) abuild-tar abuild-gzsplit abuild-sudo abuild-fetch
SAMPLES := sample.APKBUILD sample.initd sample.confd \
sample.pre-install sample.post-install
AUTOTOOLS_TOOLCHAIN_FILES := config.sub config.guess
......@@ -38,13 +38,16 @@ SED_REPLACE := -e 's:@VERSION@:$(FULL_VERSION):g' \
SSL_CFLAGS ?= $(shell pkg-config --cflags openssl)
SSL_LDFLAGS ?= $(shell pkg-config --cflags openssl)
SSL_LIBS ?= $(shell pkg-config --libs openssl)
ZLIB_LIBS ?= $(shell pkg-config --libs zlib)
OBJS-abuild-tar = abuild-tar.o
CFLAGS-abuild-tar.o = $(SSL_CFLAGS)
LDFLAGS-abuild-tar = $(SSL_LDFLAGS)
LIBS-abuild-tar = $(SSL_LIBS)
OBJS-abuild-gzsplit = abuild-gzsplit.o
LDFLAGS-abuild-gzsplit = $(ZLIB_LIBS)
OBJS-abuild-sudo = abuild-sudo.o
OBJS-abuild-fetch = abuild-fetch.o
......@@ -76,6 +79,9 @@ abuild-tar: abuild-tar.o
abuild-fetch: abuild-fetch.o
$(LINK)
abuild-gzsplit: abuild-gzsplit.o
$(LINK)
abuild-tar.static: abuild-tar.o
$(CC) $(CPPFLAGS) $(CFLAGS) $(CFLAGS-$@) -o $@ -static $(LIBS-$@) $^
......
#include <stdio.h>
#include <fcntl.h>
#include <string.h>
#include <unistd.h>
#include <zlib.h>
int main(void)
{
char obuf[8*1024], ibuf[8*1024];
z_stream zs;
int r = Z_OK, rc = 1, fd = -1;
size_t len;
if (inflateInit2(&zs, 15+32) != Z_OK)
goto err;
zs.avail_out = sizeof obuf;
zs.next_out = obuf;
while (1) {
if (zs.avail_in == 0) {
zs.avail_in = read(STDIN_FILENO, ibuf, sizeof ibuf);
zs.next_in = ibuf;
if (zs.avail_in < 0) goto err;
if (zs.avail_in == 0 && r == Z_STREAM_END) goto ok;
}
r = inflate(&zs, Z_NO_FLUSH);
if (r != Z_OK && r != Z_STREAM_END) goto err;
len = sizeof obuf - zs.avail_out;
if (len) {
if (fd < 0) {
const char *fn;
if (strncmp(obuf, ".SIGN.", 6) == 0)
fn = "signatures.tar.gz";
else if (strncmp(obuf, ".PKGINFO", 8) == 0)
fn = "control.tar.gz";
else if (rc == 1)
fn = "data.tar.gz", rc = 2;
else
goto err;
fd = open(fn, O_CREAT|O_TRUNC|O_WRONLY, 0777);
if (fd < 0) goto err;
}
zs.next_out = obuf;
zs.avail_out = sizeof obuf;
}
if (zs.avail_in == 0 || r == Z_STREAM_END) {
len = (void *)zs.next_in - (void *)ibuf;
if (write(fd, ibuf, len) != len) goto err;
memmove(ibuf, zs.next_in, zs.avail_in);
zs.next_in = ibuf;
}
if (r == Z_STREAM_END) {
if (fd >= 0) {
close(fd);
fd = -1;
}
inflateEnd(&zs);
if (inflateInit2(&zs, 15+32) != Z_OK) goto err;
}
}
ok:
rc = 0;
err:
if (fd >= 0) close(fd);
inflateEnd(&zs);
if (rc) fprintf(stderr, "failed\n");
return rc;
}
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment