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authorIlya Lipnitskiy <ilya.lipnitskiy@gmail.com>2021-02-13 20:41:03 -0800
committerFelix Fietkau <nbd@nbd.name>2021-02-15 07:39:43 +0100
commit43dc26af6381f720adf4fe1dd2ea72ff0e45bb40 (patch)
treed7a2f8e46802d67d3b4e46f7c11d49dc86042bf6 /tools/fakeroot/patches
parent0052daae6044cac4c05e1a7f63cff1ee1c6c5df8 (diff)
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fakeroot: fix to work with glibc 2.33
The following commit removed _STAT_VER definitions from glibc: https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=8ed005daf0ab03e142500324a34087ce179ae78e That subsequently broke fakeroot: https://bugs.archlinux.org/task/69572 https://bugzilla.redhat.com/show_bug.cgi?id=1889862#c13 https://forum.openwrt.org/t/unable-to-build-toolchain-fakeroot-fails-perhaps-others-after-it/87966 Make the patch based on Jan Pazdziora's suggestion from here: https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org/message/SMQ3RYXEYTVZH6PLQMKNB3NM4XLPMNZO/ Add wrappers for newly exported symbols in glibc. Apply patch from Debian to fix warnings in fts_read and fts_children: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=676428 https://sources.debian.org/patches/fakeroot/1.25.3-1.1/eglibc-fts-without-LFS/ Fix __xmknod{,at} dev pointer argument. Switch default to assume * and not the absence of *. On glibc 2.33+, there is no definition for these functions in header files, so the compile test doesn't work. But, we can default to using the pointer (as is the case with newer glibc), and use the header file on older platforms to fail the test and use no pointer. Tested on my x86_64 Arch Linux machine, fakeroot unit tests pass. Also tested by building various .ipks and examining the tar contents, to ensure that the owner uid/gid was 0/0. Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Diffstat (limited to 'tools/fakeroot/patches')
-rw-r--r--tools/fakeroot/patches/300-glibc-2.33-compatibility.patch145
1 files changed, 145 insertions, 0 deletions
diff --git a/tools/fakeroot/patches/300-glibc-2.33-compatibility.patch b/tools/fakeroot/patches/300-glibc-2.33-compatibility.patch
new file mode 100644
index 0000000000..a460cace0c
--- /dev/null
+++ b/tools/fakeroot/patches/300-glibc-2.33-compatibility.patch
@@ -0,0 +1,145 @@
+--- a/libfakeroot.c
++++ b/libfakeroot.c
+@@ -90,6 +90,16 @@
+ #define SEND_GET_XATTR64(a,b,c) send_get_xattr64(a,b)
+ #endif
+
++#ifndef _STAT_VER
++ #if defined (__aarch64__)
++ #define _STAT_VER 0
++ #elif defined (__x86_64__)
++ #define _STAT_VER 1
++ #else
++ #define _STAT_VER 3
++ #endif
++#endif
++
+ /*
+ These INT_* (which stands for internal) macros should always be used when
+ the fakeroot library owns the storage of the stat variable.
+@@ -1358,6 +1368,54 @@ int renameat(int olddir_fd, const char *
+ #endif /* HAVE_FSTATAT */
+
+
++#if defined(__GLIBC__) && __GLIBC_PREREQ(2,33)
++/* Glibc 2.33 exports symbols for these functions in the shared lib */
++ int lstat(const char *file_name, struct stat *statbuf) {
++ return WRAP_LSTAT LSTAT_ARG(_STAT_VER, file_name, statbuf);
++ }
++ int stat(const char *file_name, struct stat *st) {
++ return WRAP_STAT STAT_ARG(_STAT_VER, file_name, st);
++ }
++ int fstat(int fd, struct stat *st) {
++ return WRAP_FSTAT FSTAT_ARG(_STAT_VER, fd, st);
++ }
++
++ #ifdef HAVE_FSTATAT
++ int fstatat(int dir_fd, const char *path, struct stat *st, int flags) {
++ return WRAP_FSTATAT FSTATAT_ARG(_STAT_VER, dir_fd, path, st, flags);
++ }
++ #endif
++
++ #ifdef STAT64_SUPPORT
++ int lstat64(const char *file_name, struct stat64 *st) {
++ return WRAP_LSTAT64 LSTAT64_ARG(_STAT_VER, file_name, st);
++ }
++ int stat64(const char *file_name, struct stat64 *st) {
++ return WRAP_STAT64 STAT64_ARG(_STAT_VER, file_name, st);
++ }
++ int fstat64(int fd, struct stat64 *st) {
++ return WRAP_FSTAT64 FSTAT64_ARG(_STAT_VER, fd, st);
++ }
++
++ #ifdef HAVE_FSTATAT
++ int fstatat64(int dir_fd, const char *path, struct stat64 *st, int flags) {
++ return WRAP_FSTATAT64 FSTATAT64_ARG(_STAT_VER, dir_fd, path, st, flags);
++ }
++ #endif
++ #endif
++
++ int mknod(const char *pathname, mode_t mode, dev_t dev) {
++ return WRAP_MKNOD MKNOD_ARG(_STAT_VER, pathname, mode, &dev);
++ }
++
++ #if defined(HAVE_FSTATAT) && defined(HAVE_MKNODAT)
++ int mknodat(int dir_fd, const char *pathname, mode_t mode, dev_t dev) {
++ return WRAP_MKNODAT MKNODAT_ARG(_STAT_VER, dir_fd, pathname, mode, &dev);
++ }
++ #endif
++#endif /* GLIBC_PREREQ */
++
++
+ #ifdef FAKEROOT_FAKENET
+ pid_t fork(void)
+ {
+@@ -2024,11 +2082,7 @@ FTSENT *fts_read(FTS *ftsp) {
+ || r->fts_info == FTS_NS || r->fts_info == FTS_NSOK))
+ r->fts_statp = NULL; /* Otherwise fts_statp may be a random pointer */
+ if(r && r->fts_statp) { /* Should we bother checking fts_info here? */
+-# if defined(STAT64_SUPPORT) && !defined(__APPLE__)
+- SEND_GET_STAT64(r->fts_statp, _STAT_VER);
+-# else
+ SEND_GET_STAT(r->fts_statp, _STAT_VER);
+-# endif
+ }
+
+ return r;
+@@ -2047,11 +2101,7 @@ FTSENT *fts_children(FTS *ftsp, int opti
+ first=next_fts_children(ftsp, options);
+ for(r = first; r; r = r->fts_link) {
+ if(r && r->fts_statp) { /* Should we bother checking fts_info here? */
+-# if defined(STAT64_SUPPORT) && !defined(__APPLE__)
+- SEND_GET_STAT64(r->fts_statp, _STAT_VER);
+-# else
+ SEND_GET_STAT(r->fts_statp, _STAT_VER);
+-# endif
+ }
+ }
+
+@@ -2483,7 +2533,7 @@ int statx (int dirfd, const char *path,
+
+ #ifdef LIBFAKEROOT_DEBUGGING
+ if (fakeroot_debug) {
+- fprintf(stderr, "statx fd %d\n", fd);
++ fprintf(stderr, "statx fd %d\n", dirfd);
+ }
+ #endif /* LIBFAKEROOT_DEBUGGING */
+ r=INT_NEXT_FSTATAT(dirfd, path, &st, flags);
+--- a/configure.ac
++++ b/configure.ac
+@@ -184,13 +184,13 @@ AC_MSG_CHECKING([for type of arg of __xm
+ ]], [[
+ int __xmknod ( int ver,
+ const char *pathname ,
+- mode_t mode , dev_t dev);
++ mode_t mode , dev_t *dev);
+ ]])],[
+- AC_DEFINE(XMKNOD_FRTH_ARG,)
+- AC_MSG_RESULT([no extra *])
+- ],[
+ AC_DEFINE(XMKNOD_FRTH_ARG,[*])
+ AC_MSG_RESULT([needs *])
++ ],[
++ AC_DEFINE(XMKNOD_FRTH_ARG,)
++ AC_MSG_RESULT([no extra *])
+
+ ])
+
+@@ -211,13 +211,13 @@ AC_MSG_CHECKING([for type of arg of __xm
+ int __xmknodat ( int ver,
+ int dirfd,
+ const char *pathname ,
+- mode_t mode , dev_t dev);
++ mode_t mode , dev_t *dev);
+ ]])],[
+- AC_DEFINE(XMKNODAT_FIFTH_ARG,)
+- AC_MSG_RESULT([no extra *])
+- ],[
+ AC_DEFINE(XMKNODAT_FIFTH_ARG,[*])
+ AC_MSG_RESULT([needs *])
++ ],[
++ AC_DEFINE(XMKNODAT_FIFTH_ARG,)
++ AC_MSG_RESULT([no extra *])
+
+ ])
+