aboutsummaryrefslogtreecommitdiffstats
path: root/libc
diff options
context:
space:
mode:
Diffstat (limited to 'libc')
-rw-r--r--libc/SYSCALLS.TXT1
-rw-r--r--libc/arch-arm/syscalls.mk1
-rw-r--r--libc/arch-arm/syscalls/personality.S14
-rw-r--r--libc/arch-sh/syscalls/personality.S32
-rw-r--r--libc/arch-x86/syscalls.mk1
-rw-r--r--libc/arch-x86/syscalls/personality.S23
-rw-r--r--libc/include/sys/linux-syscalls.h1
-rw-r--r--libc/include/sys/linux-unistd.h1
-rw-r--r--libc/include/sys/personality.h86
-rw-r--r--libc/netbsd/resolv/res_send.c194
-rw-r--r--libc/zoneinfo/zoneinfo.datbin480654 -> 484401 bytes
-rw-r--r--libc/zoneinfo/zoneinfo.idxbin29900 -> 29900 bytes
-rw-r--r--libc/zoneinfo/zoneinfo.version2
13 files changed, 329 insertions, 27 deletions
diff --git a/libc/SYSCALLS.TXT b/libc/SYSCALLS.TXT
index 21961c89c..2da38b70b 100644
--- a/libc/SYSCALLS.TXT
+++ b/libc/SYSCALLS.TXT
@@ -262,6 +262,7 @@ int init_module(void *, unsigned long, const char *) 128
int delete_module(const char*, unsigned int) 129
int klogctl:syslog(int, char *, int) 103
int sysinfo(struct sysinfo *) 116
+int personality(unsigned long) 136
# futex
int futex(void *, int, int, void *, void *, int) 240
diff --git a/libc/arch-arm/syscalls.mk b/libc/arch-arm/syscalls.mk
index 3fce36d08..b19fb68e8 100644
--- a/libc/arch-arm/syscalls.mk
+++ b/libc/arch-arm/syscalls.mk
@@ -182,6 +182,7 @@ syscall_src += arch-arm/syscalls/init_module.S
syscall_src += arch-arm/syscalls/delete_module.S
syscall_src += arch-arm/syscalls/klogctl.S
syscall_src += arch-arm/syscalls/sysinfo.S
+syscall_src += arch-arm/syscalls/personality.S
syscall_src += arch-arm/syscalls/futex.S
syscall_src += arch-arm/syscalls/epoll_create.S
syscall_src += arch-arm/syscalls/epoll_ctl.S
diff --git a/libc/arch-arm/syscalls/personality.S b/libc/arch-arm/syscalls/personality.S
new file mode 100644
index 000000000..17ac68661
--- /dev/null
+++ b/libc/arch-arm/syscalls/personality.S
@@ -0,0 +1,14 @@
+/* autogenerated by gensyscalls.py */
+#include <machine/asm.h>
+#include <sys/linux-syscalls.h>
+
+ENTRY(personality)
+ .save {r4, r7}
+ stmfd sp!, {r4, r7}
+ ldr r7, =__NR_personality
+ swi #0
+ ldmfd sp!, {r4, r7}
+ movs r0, r0
+ bxpl lr
+ b __set_syscall_errno
+END(personality)
diff --git a/libc/arch-sh/syscalls/personality.S b/libc/arch-sh/syscalls/personality.S
new file mode 100644
index 000000000..efc2ea380
--- /dev/null
+++ b/libc/arch-sh/syscalls/personality.S
@@ -0,0 +1,32 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+ .text
+ .type personality, @function
+ .globl personality
+ .align 4
+
+personality:
+
+ /* invoke trap */
+ mov.l 0f, r3 /* trap num */
+ trapa #(1 + 0x10)
+
+ /* check return value */
+ cmp/pz r0
+ bt __NR_personality_end
+
+ /* keep error number */
+ sts.l pr, @-r15
+ mov.l 1f, r1
+ jsr @r1
+ mov r0, r4
+ lds.l @r15+, pr
+
+__NR_personality_end:
+ rts
+ nop
+
+ .align 2
+0: .long __NR_personality
+1: .long __set_syscall_errno
diff --git a/libc/arch-x86/syscalls.mk b/libc/arch-x86/syscalls.mk
index 2f8cc4964..7d3d937c8 100644
--- a/libc/arch-x86/syscalls.mk
+++ b/libc/arch-x86/syscalls.mk
@@ -185,6 +185,7 @@ syscall_src += arch-x86/syscalls/init_module.S
syscall_src += arch-x86/syscalls/delete_module.S
syscall_src += arch-x86/syscalls/klogctl.S
syscall_src += arch-x86/syscalls/sysinfo.S
+syscall_src += arch-x86/syscalls/personality.S
syscall_src += arch-x86/syscalls/futex.S
syscall_src += arch-x86/syscalls/epoll_create.S
syscall_src += arch-x86/syscalls/epoll_ctl.S
diff --git a/libc/arch-x86/syscalls/personality.S b/libc/arch-x86/syscalls/personality.S
new file mode 100644
index 000000000..af4f9120f
--- /dev/null
+++ b/libc/arch-x86/syscalls/personality.S
@@ -0,0 +1,23 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+ .text
+ .type personality, @function
+ .globl personality
+ .align 4
+
+personality:
+ pushl %ebx
+ mov 8(%esp), %ebx
+ movl $__NR_personality, %eax
+ int $0x80
+ cmpl $-129, %eax
+ jb 1f
+ negl %eax
+ pushl %eax
+ call __set_errno
+ addl $4, %esp
+ orl $-1, %eax
+1:
+ popl %ebx
+ ret
diff --git a/libc/include/sys/linux-syscalls.h b/libc/include/sys/linux-syscalls.h
index 49fdf99bc..0cb310064 100644
--- a/libc/include/sys/linux-syscalls.h
+++ b/libc/include/sys/linux-syscalls.h
@@ -145,6 +145,7 @@
#define __NR_delete_module (__NR_SYSCALL_BASE + 129)
#define __NR_syslog (__NR_SYSCALL_BASE + 103)
#define __NR_sysinfo (__NR_SYSCALL_BASE + 116)
+#define __NR_personality (__NR_SYSCALL_BASE + 136)
#define __NR_futex (__NR_SYSCALL_BASE + 240)
#define __NR_poll (__NR_SYSCALL_BASE + 168)
diff --git a/libc/include/sys/linux-unistd.h b/libc/include/sys/linux-unistd.h
index f4660e2b3..d945d87b4 100644
--- a/libc/include/sys/linux-unistd.h
+++ b/libc/include/sys/linux-unistd.h
@@ -211,6 +211,7 @@ int init_module (void *, unsigned long, const char *);
int delete_module (const char*, unsigned int);
int klogctl (int, char *, int);
int sysinfo (struct sysinfo *);
+int personality (unsigned long);
int futex (void *, int, int, void *, void *, int);
int epoll_create (int size);
int epoll_ctl (int epfd, int op, int fd, struct epoll_event *event);
diff --git a/libc/include/sys/personality.h b/libc/include/sys/personality.h
new file mode 100644
index 000000000..2199fa74a
--- /dev/null
+++ b/libc/include/sys/personality.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _SYS_PERSONALITY_H_
+#define _SYS_PERSONALITY_H_
+
+__BEGIN_DECLS
+
+/* constants taken from linux-3.0.4/include/linux/personality.h */
+
+enum {
+ UNAME26 = 0x0020000,
+ ADDR_NO_RANDOMIZE = 0x0040000,
+ FDPIC_FUNCPTRS = 0x0080000,
+ MMAP_PAGE_ZERO = 0x0100000,
+ ADDR_COMPAT_LAYOUT = 0x0200000,
+ READ_IMPLIES_EXEC = 0x0400000,
+ ADDR_LIMIT_32BIT = 0x0800000,
+ SHORT_INODE = 0x1000000,
+ WHOLE_SECONDS = 0x2000000,
+ STICKY_TIMEOUTS = 0x4000000,
+ ADDR_LIMIT_3GB = 0x8000000,
+};
+
+#define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC | \
+ ADDR_NO_RANDOMIZE | \
+ ADDR_COMPAT_LAYOUT | \
+ MMAP_PAGE_ZERO)
+
+enum {
+ PER_LINUX = 0x0000,
+ PER_LINUX_32BIT = 0x0000 | ADDR_LIMIT_32BIT,
+ PER_LINUX_FDPIC = 0x0000 | FDPIC_FUNCPTRS,
+ PER_SVR4 = 0x0001 | STICKY_TIMEOUTS | MMAP_PAGE_ZERO,
+ PER_SVR3 = 0x0002 | STICKY_TIMEOUTS | SHORT_INODE,
+ PER_SCOSVR3 = 0x0003 | STICKY_TIMEOUTS |
+ WHOLE_SECONDS | SHORT_INODE,
+ PER_OSR5 = 0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS,
+ PER_WYSEV386 = 0x0004 | STICKY_TIMEOUTS | SHORT_INODE,
+ PER_ISCR4 = 0x0005 | STICKY_TIMEOUTS,
+ PER_BSD = 0x0006,
+ PER_SUNOS = 0x0006 | STICKY_TIMEOUTS,
+ PER_XENIX = 0x0007 | STICKY_TIMEOUTS | SHORT_INODE,
+ PER_LINUX32 = 0x0008,
+ PER_LINUX32_3GB = 0x0008 | ADDR_LIMIT_3GB,
+ PER_IRIX32 = 0x0009 | STICKY_TIMEOUTS,
+ PER_IRIXN32 = 0x000a | STICKY_TIMEOUTS,
+ PER_IRIX64 = 0x000b | STICKY_TIMEOUTS,
+ PER_RISCOS = 0x000c,
+ PER_SOLARIS = 0x000d | STICKY_TIMEOUTS,
+ PER_UW7 = 0x000e | STICKY_TIMEOUTS | MMAP_PAGE_ZERO,
+ PER_OSF4 = 0x000f,
+ PER_HPUX = 0x0010,
+ PER_MASK = 0x00ff,
+};
+
+extern int personality (unsigned long persona);
+
+__END_DECLS
+
+#endif /* _SYS_PERSONALITY_H_ */
diff --git a/libc/netbsd/resolv/res_send.c b/libc/netbsd/resolv/res_send.c
index 1a28d9e7b..dbad6dda0 100644
--- a/libc/netbsd/resolv/res_send.c
+++ b/libc/netbsd/resolv/res_send.c
@@ -99,6 +99,7 @@ __RCSID("$NetBSD: res_send.c,v 1.9 2006/01/24 17:41:25 christos Exp $");
#include <arpa/inet.h>
#include <errno.h>
+#include <fcntl.h>
#include <netdb.h>
#ifdef ANDROID_CHANGES
#include "resolv_private.h"
@@ -109,6 +110,7 @@ __RCSID("$NetBSD: res_send.c,v 1.9 2006/01/24 17:41:25 christos Exp $");
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <time.h>
#include <unistd.h>
#include <isc/eventlib.h>
@@ -117,6 +119,8 @@ __RCSID("$NetBSD: res_send.c,v 1.9 2006/01/24 17:41:25 christos Exp $");
# include <resolv_cache.h>
#endif
+#include "logd.h"
+
#ifndef DE_CONST
#define DE_CONST(c,v) v = ((c) ? \
strchr((const void *)(c), *(const char *)(const void *)(c)) : NULL)
@@ -130,6 +134,7 @@ __RCSID("$NetBSD: res_send.c,v 1.9 2006/01/24 17:41:25 christos Exp $");
#include "res_private.h"
#define EXT(res) ((res)->_u._ext)
+#define DBG 0
static const int highestFD = FD_SETSIZE - 1;
@@ -152,7 +157,10 @@ static int pselect(int, void *, void *, void *,
const sigset_t *);
#endif
void res_pquery(const res_state, const u_char *, int, FILE *);
-
+static int connect_with_timeout(int sock, const struct sockaddr *nsap,
+ socklen_t salen, int sec);
+static int retrying_select(const int sock, fd_set *readset, fd_set *writeset,
+ const struct timespec *finish);
/* BIONIC-BEGIN: implement source port randomization */
typedef union {
@@ -521,16 +529,23 @@ res_nsend(res_state statp,
Dprint(((statp->options & RES_DEBUG) &&
getnameinfo(nsap, (socklen_t)nsaplen, abuf, sizeof(abuf),
- NULL, 0, niflags) == 0),
- (stdout, ";; Querying server (# %d) address = %s\n",
- ns + 1, abuf));
+ NULL, 0, niflags) == 0),
+ (stdout, ";; Querying server (# %d) address = %s\n",
+ ns + 1, abuf));
if (v_circuit) {
/* Use VC; at most one attempt per server. */
try = statp->retry;
+
n = send_vc(statp, buf, buflen, ans, anssiz, &terrno,
ns);
+
+ if (DBG) {
+ __libc_android_log_print(ANDROID_LOG_DEBUG, "libc",
+ "used send_vc %d\n", n);
+ }
+
if (n < 0)
goto fail;
if (n == 0)
@@ -538,12 +553,26 @@ res_nsend(res_state statp,
resplen = n;
} else {
/* Use datagrams. */
+ if (DBG) {
+ __libc_android_log_print(ANDROID_LOG_DEBUG, "libc",
+ "using send_dg\n");
+ }
+
n = send_dg(statp, buf, buflen, ans, anssiz, &terrno,
ns, &v_circuit, &gotsomewhere);
+ if (DBG) {
+ __libc_android_log_print(ANDROID_LOG_DEBUG, "libc",
+ "used send_dg %d\n",n);
+ }
+
if (n < 0)
goto fail;
if (n == 0)
goto next_ns;
+ if (DBG) {
+ __libc_android_log_print(ANDROID_LOG_DEBUG, "libc",
+ "time=%d, %d\n",time(NULL), time(NULL)%2);
+ }
if (v_circuit)
goto same_ns;
resplen = n;
@@ -668,6 +697,23 @@ get_nsaddr(statp, n)
}
}
+static int get_timeout(const res_state statp, const int ns)
+{
+ int timeout = (statp->retrans << ns);
+ if (ns > 0) {
+ timeout /= statp->nscount;
+ }
+ if (timeout <= 0) {
+ timeout = 1;
+ }
+ if (DBG) {
+ __libc_android_log_print(ANDROID_LOG_DEBUG, "libc",
+ "using timeout of %d sec\n", timeout);
+ }
+
+ return timeout;
+}
+
static int
send_vc(res_state statp,
const u_char *buf, int buflen, u_char *ans, int anssiz,
@@ -683,6 +729,10 @@ send_vc(res_state statp,
u_char *cp;
void *tmp;
+ if (DBG) {
+ __libc_android_log_print(ANDROID_LOG_DEBUG, "libc", "using send_vc\n");
+ }
+
nsap = get_nsaddr(statp, (size_t)ns);
nsaplen = get_salen(nsap);
@@ -735,7 +785,8 @@ send_vc(res_state statp,
res_nclose(statp);
return (0);
}
- if (connect(statp->_vcsock, nsap, (socklen_t)nsaplen) < 0) {
+ if (connect_with_timeout(statp->_vcsock, nsap, (socklen_t)nsaplen,
+ get_timeout(statp, ns)) < 0) {
*terrno = errno;
Aerror(statp, stderr, "connect/vc", errno, nsap,
nsaplen);
@@ -859,6 +910,111 @@ send_vc(res_state statp,
return (resplen);
}
+/* return -1 on error (errno set), 0 on success */
+static int
+connect_with_timeout(int sock, const struct sockaddr *nsap, socklen_t salen, int sec)
+{
+ int res, origflags;
+ fd_set rset, wset;
+ struct timespec now, timeout, finish;
+
+ origflags = fcntl(sock, F_GETFL, 0);
+ fcntl(sock, F_SETFL, origflags | O_NONBLOCK);
+
+ res = connect(sock, nsap, salen);
+ if (res < 0 && errno != EINPROGRESS) {
+ res = -1;
+ goto done;
+ }
+ if (res != 0) {
+ now = evNowTime();
+ timeout = evConsTime((long)sec, 0L);
+ finish = evAddTime(now, timeout);
+ if (DBG) {
+ __libc_android_log_print(ANDROID_LOG_DEBUG, "libc",
+ " %d send_vc\n", sock);
+ }
+
+ res = retrying_select(sock, &rset, &wset, &finish);
+ if (res <= 0) {
+ res = -1;
+ }
+ }
+done:
+ fcntl(sock, F_SETFL, origflags);
+ if (DBG) {
+ __libc_android_log_print(ANDROID_LOG_DEBUG, "libc",
+ " %d connect_with_timeout returning %s\n", sock, res);
+ }
+ return res;
+}
+
+static int
+retrying_select(const int sock, fd_set *readset, fd_set *writeset, const struct timespec *finish)
+{
+ struct timespec now, timeout;
+ int n, error;
+ socklen_t len;
+
+
+retry:
+ if (DBG) {
+ __libc_android_log_print(ANDROID_LOG_DEBUG, "libc", " %d retying_select\n", sock);
+ }
+
+ now = evNowTime();
+ if (readset) {
+ FD_ZERO(readset);
+ FD_SET(sock, readset);
+ }
+ if (writeset) {
+ FD_ZERO(writeset);
+ FD_SET(sock, writeset);
+ }
+ if (evCmpTime(*finish, now) > 0)
+ timeout = evSubTime(*finish, now);
+ else
+ timeout = evConsTime(0L, 0L);
+
+ n = pselect(sock + 1, readset, writeset, NULL, &timeout, NULL);
+ if (n == 0) {
+ if (DBG) {
+ __libc_android_log_print(ANDROID_LOG_DEBUG, " libc",
+ " %d retrying_select timeout\n", sock);
+ }
+ errno = ETIMEDOUT;
+ return 0;
+ }
+ if (n < 0) {
+ if (errno == EINTR)
+ goto retry;
+ if (DBG) {
+ __libc_android_log_print(ANDROID_LOG_DEBUG, "libc",
+ " %d retrying_select got error %d\n",sock, n);
+ }
+ return n;
+ }
+ if ((readset && FD_ISSET(sock, readset)) || (writeset && FD_ISSET(sock, writeset))) {
+ len = sizeof(error);
+ if (getsockopt(sock, SOL_SOCKET, SO_ERROR, &error, &len) < 0 || error) {
+ errno = error;
+ if (DBG) {
+ __libc_android_log_print(ANDROID_LOG_DEBUG, "libc",
+ " %d retrying_select dot error2 %d\n", sock, errno);
+ }
+
+ return -1;
+ }
+ }
+ if (DBG) {
+ __libc_android_log_print(ANDROID_LOG_DEBUG, "libc",
+ " %d retrying_select returning %d for %d\n",sock, n);
+ }
+
+ return n;
+}
+
+
static int
send_dg(res_state statp,
const u_char *buf, int buflen, u_char *ans, int anssiz,
@@ -944,33 +1100,19 @@ send_dg(res_state statp,
/*
* Wait for reply.
*/
- seconds = (statp->retrans << ns);
- if (ns > 0)
- seconds /= statp->nscount;
- if (seconds <= 0)
- seconds = 1;
+ seconds = get_timeout(statp, ns);
now = evNowTime();
timeout = evConsTime((long)seconds, 0L);
finish = evAddTime(now, timeout);
- goto nonow;
- wait:
- now = evNowTime();
- nonow:
- FD_ZERO(&dsmask);
- FD_SET(s, &dsmask);
- if (evCmpTime(finish, now) > 0)
- timeout = evSubTime(finish, now);
- else
- timeout = evConsTime(0L, 0L);
- n = pselect(s + 1, &dsmask, NULL, NULL, &timeout, NULL);
+retry:
+ n = retrying_select(s, &dsmask, NULL, &finish);
+
if (n == 0) {
Dprint(statp->options & RES_DEBUG, (stdout, ";; timeout\n"));
*gotsomewhere = 1;
return (0);
}
if (n < 0) {
- if (errno == EINTR)
- goto wait;
Perror(statp, stderr, "select", errno);
res_nclose(statp);
return (0);
@@ -1006,7 +1148,7 @@ send_dg(res_state statp,
(statp->pfcode & RES_PRF_REPLY),
(stdout, ";; old answer:\n"),
ans, (resplen > anssiz) ? anssiz : resplen);
- goto wait;
+ goto retry;
}
if (!(statp->options & RES_INSECURE1) &&
!res_ourserver_p(statp, (struct sockaddr *)(void *)&from)) {
@@ -1019,7 +1161,7 @@ send_dg(res_state statp,
(statp->pfcode & RES_PRF_REPLY),
(stdout, ";; not our server:\n"),
ans, (resplen > anssiz) ? anssiz : resplen);
- goto wait;
+ goto retry;
}
#ifdef RES_USE_EDNS0
if (anhp->rcode == FORMERR && (statp->options & RES_USE_EDNS0) != 0U) {
@@ -1049,7 +1191,7 @@ send_dg(res_state statp,
(statp->pfcode & RES_PRF_REPLY),
(stdout, ";; wrong query name:\n"),
ans, (resplen > anssiz) ? anssiz : resplen);
- goto wait;
+ goto retry;;
}
if (anhp->rcode == SERVFAIL ||
anhp->rcode == NOTIMP ||
diff --git a/libc/zoneinfo/zoneinfo.dat b/libc/zoneinfo/zoneinfo.dat
index e41422e50..49b99ecd3 100644
--- a/libc/zoneinfo/zoneinfo.dat
+++ b/libc/zoneinfo/zoneinfo.dat
Binary files differ
diff --git a/libc/zoneinfo/zoneinfo.idx b/libc/zoneinfo/zoneinfo.idx
index eb02e80ad..c9eefc64f 100644
--- a/libc/zoneinfo/zoneinfo.idx
+++ b/libc/zoneinfo/zoneinfo.idx
Binary files differ
diff --git a/libc/zoneinfo/zoneinfo.version b/libc/zoneinfo/zoneinfo.version
index 6140b761a..c4f49224b 100644
--- a/libc/zoneinfo/zoneinfo.version
+++ b/libc/zoneinfo/zoneinfo.version
@@ -1 +1 @@
-2011l
+2011n
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-26 08:21:37 +0000