main/libc0.9.32: upgrade to 0.9.33

1 files changed, 183 insertions, 0 deletions

diff --git a/main/libc0.9.32/0008-ldso-limited-support-for-ORIGIN-in-rpath.patch b/main/libc0.9.32/0008-ldso-limited-support-for-ORIGIN-in-rpath.patch
new file mode 100644
index 0000000000..58386eb896
--- /dev/null
+++ b/main/libc0.9.32/0008-ldso-limited-support-for-ORIGIN-in-rpath.patch
@@ -0,0 +1,183 @@
+From 4eb3c29b8ee0e77f3b8b98e697a6ce0b5571a0f7 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Timo=20Ter=C3=A4s?= <timo.teras@iki.fi>
+Date: Fri, 18 Mar 2011 10:53:56 +0200
+Subject: [PATCH 8/8] ldso: limited support for $ORIGIN in rpath
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Handle it if it's in the beginning of the rpath entry as it
+should be.
+
+Posted to uclibc ml:
+http://old.nabble.com/-PATCH-1-3--ldso%3A-limited-support-for-$ORIGIN-in-rpath-td31181219.html
+
+Signed-off-by: Timo Teräs <timo.teras@iki.fi>
+Signed-off-by: Natanael Copa <ncopa@alpinelinux.org>
+
+Conflicts:
+
+	ldso/ldso/dl-elf.c
+	ldso/ldso/ldso.c
+---
+ ldso/ldso/dl-elf.c |   81 ++++++++++++++++++++++++++++++---------------------
+ ldso/ldso/ldso.c   |   18 +++++++++--
+ 2 files changed, 63 insertions(+), 36 deletions(-)
+
+diff --git a/ldso/ldso/dl-elf.c b/ldso/ldso/dl-elf.c
+index b9de199..547d9e0 100644
+--- a/ldso/ldso/dl-elf.c
++++ b/ldso/ldso/dl-elf.c
+@@ -132,57 +132,71 @@ _dl_protect_relro (struct elf_resolve *l)
+ /* This function's behavior must exactly match that
+  * in uClibc/ldso/util/ldd.c */
+ static struct elf_resolve *
+-search_for_named_library(const char *name, unsigned rflags, const char *path_list,
+-	struct dyn_elf **rpnt)
++search_for_named_library_with_origin(const char *name, int secure,
++	const char *path_list, struct dyn_elf **rpnt, const char *origin)
+ {
+-	char *path, *path_n, *mylibname;
++	char *mylibname;
++	const char *p, *pn;
+ 	struct elf_resolve *tpnt;
+-	int done;
++	int plen;
+ 
+ 	if (path_list==NULL)
+ 		return NULL;
+ 
+-	/* We need a writable copy of this string, but we don't
+-	 * need this allocated permanently since we don't want
+-	 * to leak memory, so use alloca to put path on the stack */
+-	done = _dl_strlen(path_list);
+-	path = alloca(done + 1);
+-
+ 	/* another bit of local storage */
+ 	mylibname = alloca(2050);
+ 
+-	_dl_memcpy(path, path_list, done+1);
+-
+ 	/* Unlike ldd.c, don't bother to eliminate double //s */
+ 
+ 	/* Replace colons with zeros in path_list */
+ 	/* : at the beginning or end of path maps to CWD */
+ 	/* :: anywhere maps CWD */
+ 	/* "" maps to CWD */
+-	done = 0;
+-	path_n = path;
+-	do {
+-		if (*path == 0) {
+-			*path = ':';
+-			done = 1;
+-		}
+-		if (*path == ':') {
+-			*path = 0;
+-			if (*path_n)
+-				_dl_strcpy(mylibname, path_n);
+-			else
+-				_dl_strcpy(mylibname, "."); /* Assume current dir if empty path */
+-			_dl_strcat(mylibname, "/");
+-			_dl_strcat(mylibname, name);
+-			if ((tpnt = _dl_load_elf_shared_library(rflags, rpnt, mylibname)) != NULL)
+-				return tpnt;
+-			path_n = path+1;
++	for (p = path_list; p != NULL; p = pn) {
++		pn = _dl_strchr(p + 1, ':');
++		if (pn != NULL) {
++			plen = pn - p;
++			pn++;
++		} else
++			plen = _dl_strlen(p);
++
++		if (plen >= 7 && _dl_memcmp(p, "$ORIGIN", 7) == 0) {
++			int olen;
++			if (secure && plen != 7)
++				continue;
++			if (origin == NULL)
++				continue;
++			for (olen = _dl_strlen(origin) - 1; olen >= 0 && origin[olen] != '/'; olen--)
++				;
++			if (olen <= 0)
++				continue;
++			_dl_memcpy(&mylibname[0], origin, olen);
++			_dl_memcpy(&mylibname[olen], p + 7, plen - 7);
++			mylibname[olen + plen - 7] = 0;
++		} else if (plen != 0) {
++			_dl_memcpy(mylibname, p, plen);
++			mylibname[plen] = 0;
++		} else {
++			_dl_strcpy(mylibname, ".");
+ 		}
+-		path++;
+-	} while (!done);
++		_dl_strcat(mylibname, "/");
++		_dl_strcat(mylibname, name);
++
++		tpnt = _dl_load_elf_shared_library(secure, rpnt, mylibname);
++		if (tpnt != NULL)
++			return tpnt;
++	}
++
+ 	return NULL;
+ }
+ 
++static struct elf_resolve *
++search_for_named_library(const char *name, int secure, const char *path_list,
++	struct dyn_elf **rpnt)
++{
++	return search_for_named_library_with_origin(name, secure, path_list, rpnt, NULL);
++}
++
+ /* Used to return error codes back to dlopen et. al.  */
+ unsigned long _dl_error_number;
+ unsigned long _dl_internal_error_number;
+@@ -231,7 +245,8 @@ struct elf_resolve *_dl_load_shared_library(unsigned rflags, struct dyn_elf **rp
+ 	if (pnt) {
+ 		pnt += (unsigned long) tpnt->dynamic_info[DT_STRTAB];
+ 		_dl_if_debug_dprint("\tsearching RPATH='%s'\n", pnt);
+-		if ((tpnt1 = search_for_named_library(libname, rflags, pnt, rpnt)) != NULL)
++		if ((tpnt1 = search_for_named_library_with_origin(libname, rflags, pnt, rpnt,
++						      tpnt->libname)) != NULL)
+ 			return tpnt1;
+ 	}
+ #endif
+diff --git a/ldso/ldso/ldso.c b/ldso/ldso/ldso.c
+index 7690036..78dc92d 100644
+--- a/ldso/ldso/ldso.c
++++ b/ldso/ldso/ldso.c
+@@ -403,6 +403,20 @@ static ptrdiff_t _dl_build_local_scope (struct elf_resolve **list,
+ 	return p - list;
+ }
+ 
++static void _dl_setup_progname(const char *argv0)
++{
++	char image[PATH_MAX];
++	ssize_t s;
++
++	s = _dl_readlink("/proc/self/exe", image, sizeof(image));
++	if (s > 0 && image[0] == '/') {
++		image[s] = 0;
++		_dl_progname = _dl_strdup(image);
++	} else if (argv0) {
++		_dl_progname = argv0;
++	}
++}
++
+ void *_dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr,
+ 			  ElfW(auxv_t) auxvt[AT_EGID + 1], char **envp, char **argv
+ 			  DL_GET_READY_TO_RUN_EXTRA_PARMS)
+@@ -454,9 +468,7 @@ void *_dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr,
+ 	 * been fixed up by now.  Still no function calls outside of this
+ 	 * library, since the dynamic resolver is not yet ready.
+ 	 */
+-	if (argv[0]) {
+-		_dl_progname = argv[0];
+-	}
++	_dl_setup_progname(argv[0]);
+ 
+ #ifndef __LDSO_STANDALONE_SUPPORT__
+ 	if (_start == (void *) auxvt[AT_ENTRY].a_un.a_val) {
+-- 
+1.7.8.4
+