diff options
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/Android.mk | 2 | ||||
| -rw-r--r-- | libc/SYSCALLS.TXT | 4 | ||||
| -rw-r--r-- | libc/arch-arm/syscalls/__connect.S (renamed from libc/arch-arm/syscalls/connect.S) | 4 | ||||
| -rw-r--r-- | libc/arch-arm64/syscalls/__connect.S (renamed from libc/arch-arm64/syscalls/connect.S) | 5 | ||||
| -rw-r--r-- | libc/arch-mips/syscalls/__connect.S (renamed from libc/arch-mips/syscalls/connect.S) | 4 | ||||
| -rw-r--r-- | libc/arch-mips64/syscalls/__connect.S (renamed from libc/arch-mips64/syscalls/connect.S) | 5 | ||||
| -rw-r--r-- | libc/arch-x86/syscalls/__connect.S (renamed from libc/arch-x86/syscalls/connect.S) | 4 | ||||
| -rw-r--r-- | libc/arch-x86_64/syscalls/__connect.S (renamed from libc/arch-x86_64/syscalls/connect.S) | 5 | ||||
| -rw-r--r-- | libc/bionic/NetdClient.cpp | 68 | ||||
| -rw-r--r-- | libc/bionic/connect.cpp | 22 | ||||
| -rw-r--r-- | libc/bionic/libc_init_dynamic.cpp | 4 | ||||
| -rw-r--r-- | libc/private/NetdClient.h | 28 |
12 files changed, 141 insertions, 14 deletions
diff --git a/libc/Android.mk b/libc/Android.mk index 5befacf..4bae764 100644 --- a/libc/Android.mk +++ b/libc/Android.mk @@ -110,6 +110,7 @@ libc_bionic_src_files := \ bionic/clock.cpp \ bionic/clone.cpp \ bionic/cmsg_nxthdr.cpp \ + bionic/connect.cpp \ bionic/dirent.cpp \ bionic/dup2.cpp \ bionic/epoll_create.cpp \ @@ -141,6 +142,7 @@ libc_bionic_src_files := \ bionic/mkfifo.cpp \ bionic/mknod.cpp \ bionic/mntent.cpp \ + bionic/NetdClient.cpp \ bionic/open.cpp \ bionic/pause.cpp \ bionic/pipe.cpp \ diff --git a/libc/SYSCALLS.TXT b/libc/SYSCALLS.TXT index 93ed85c..e9fb575 100644 --- a/libc/SYSCALLS.TXT +++ b/libc/SYSCALLS.TXT @@ -234,7 +234,7 @@ int signalfd4(int, const sigset_t*, size_t, int) all int socket(int, int, int) arm,arm64,mips,mips64,x86_64 int socketpair(int, int, int, int*) arm,arm64,mips,mips64,x86_64 int bind(int, struct sockaddr*, int) arm,arm64,mips,mips64,x86_64 -int connect(int, struct sockaddr*, socklen_t) arm,arm64,mips,mips64,x86_64 +int __connect:connect(int, struct sockaddr*, socklen_t) arm,arm64,mips,mips64,x86_64 int listen(int, int) arm,arm64,mips,mips64,x86_64 int accept(int, struct sockaddr*, socklen_t*) arm,arm64,mips,mips64,x86_64 int accept4(int, struct sockaddr*, socklen_t*, int) arm,arm64,mips,mips64,x86_64 @@ -253,7 +253,7 @@ int sendmmsg(int, struct mmsghdr*, unsigned int, int) arm,arm64,mips # sockets for x86. These are done as an "indexed" call to socketcall syscall. int socket:socketcall:1(int, int, int) x86 int bind:socketcall:2(int, struct sockaddr*, int) x86 -int connect:socketcall:3(int, struct sockaddr*, socklen_t) x86 +int __connect:socketcall:3(int, struct sockaddr*, socklen_t) x86 int listen:socketcall:4(int, int) x86 int accept:socketcall:5(int, struct sockaddr*, socklen_t*) x86 int getsockname:socketcall:6(int, struct sockaddr*, socklen_t*) x86 diff --git a/libc/arch-arm/syscalls/connect.S b/libc/arch-arm/syscalls/__connect.S index f7a5188..8cb026c 100644 --- a/libc/arch-arm/syscalls/connect.S +++ b/libc/arch-arm/syscalls/__connect.S @@ -2,7 +2,7 @@ #include <private/bionic_asm.h> -ENTRY(connect) +ENTRY(__connect) mov ip, r7 ldr r7, =__NR_connect swi #0 @@ -11,4 +11,4 @@ ENTRY(connect) bxls lr neg r0, r0 b __set_errno -END(connect) +END(__connect) diff --git a/libc/arch-arm64/syscalls/connect.S b/libc/arch-arm64/syscalls/__connect.S index d3cd43d..c46f418 100644 --- a/libc/arch-arm64/syscalls/connect.S +++ b/libc/arch-arm64/syscalls/__connect.S @@ -2,7 +2,7 @@ #include <private/bionic_asm.h> -ENTRY(connect) +ENTRY(__connect) stp x29, x30, [sp, #-16]! mov x29, sp str x8, [sp, #-16]! @@ -18,4 +18,5 @@ ENTRY(connect) b.hi __set_errno ret -END(connect) +END(__connect) +.hidden __connect diff --git a/libc/arch-mips/syscalls/connect.S b/libc/arch-mips/syscalls/__connect.S index 6f10652..f7ac916 100644 --- a/libc/arch-mips/syscalls/connect.S +++ b/libc/arch-mips/syscalls/__connect.S @@ -2,7 +2,7 @@ #include <private/bionic_asm.h> -ENTRY(connect) +ENTRY(__connect) .set noreorder .cpload t9 li v0, __NR_connect @@ -16,4 +16,4 @@ ENTRY(connect) j t9 nop .set reorder -END(connect) +END(__connect) diff --git a/libc/arch-mips64/syscalls/connect.S b/libc/arch-mips64/syscalls/__connect.S index 8fe2d56..b1475fb 100644 --- a/libc/arch-mips64/syscalls/connect.S +++ b/libc/arch-mips64/syscalls/__connect.S @@ -2,7 +2,7 @@ #include <private/bionic_asm.h> -ENTRY(connect) +ENTRY(__connect) .set push .set noreorder li v0, __NR_connect @@ -22,4 +22,5 @@ ENTRY(connect) j t9 move ra, t0 .set pop -END(connect) +END(__connect) +.hidden __connect diff --git a/libc/arch-x86/syscalls/connect.S b/libc/arch-x86/syscalls/__connect.S index c0d73ca..2f53b33 100644 --- a/libc/arch-x86/syscalls/connect.S +++ b/libc/arch-x86/syscalls/__connect.S @@ -2,7 +2,7 @@ #include <private/bionic_asm.h> -ENTRY(connect) +ENTRY(__connect) pushl %ebx pushl %ecx .cfi_def_cfa_offset 8 @@ -24,4 +24,4 @@ ENTRY(connect) popl %ecx popl %ebx ret -END(connect) +END(__connect) diff --git a/libc/arch-x86_64/syscalls/connect.S b/libc/arch-x86_64/syscalls/__connect.S index 23cdbae..288484e 100644 --- a/libc/arch-x86_64/syscalls/connect.S +++ b/libc/arch-x86_64/syscalls/__connect.S @@ -2,7 +2,7 @@ #include <private/bionic_asm.h> -ENTRY(connect) +ENTRY(__connect) movl $__NR_connect, %eax syscall cmpq $-MAX_ERRNO, %rax @@ -13,4 +13,5 @@ ENTRY(connect) orq $-1, %rax 1: ret -END(connect) +END(__connect) +.hidden __connect diff --git a/libc/bionic/NetdClient.cpp b/libc/bionic/NetdClient.cpp new file mode 100644 index 0000000..56d8244 --- /dev/null +++ b/libc/bionic/NetdClient.cpp @@ -0,0 +1,68 @@ +/* + * Copyright (C) 2014 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <private/NetdClient.h> +#include <private/libc_logging.h> +#include <pthread.h> + +#ifdef __i386__ +#define __socketcall __attribute__((__cdecl__)) +#else +#define __socketcall +#endif + +extern "C" __socketcall int __connect(int, const sockaddr*, socklen_t); + +NetdClientDispatch __netdClientDispatch __attribute__((aligned(32))) = { + __connect +}; + +#ifndef LIBC_STATIC + +#include <dlfcn.h> + +template <typename FunctionType> +static void netdClientInitFunction(void* handle, const char* symbol, FunctionType* function) { + typedef void (*InitFunctionType)(FunctionType*); + InitFunctionType initFunction = reinterpret_cast<InitFunctionType>(dlsym(handle, symbol)); + if (initFunction != NULL) { + initFunction(function); + } +} + +static void netdClientInitImpl() { + void* netdClientHandle = dlopen("libnetd_client.so", RTLD_LAZY); + if (netdClientHandle == NULL) { + // If the library is not available, it's not an error. We'll just use + // default implementations of functions that it would've overridden. + return; + } + netdClientInitFunction(netdClientHandle, "netdClientInitConnect", + &__netdClientDispatch.connect); +} + +static pthread_once_t netdClientInitOnce = PTHREAD_ONCE_INIT; + +#endif // LIBC_STATIC + +extern "C" __LIBC_HIDDEN__ void netdClientInit() { +#ifndef LIBC_STATIC + if (pthread_once(&netdClientInitOnce, netdClientInitImpl)) { + __libc_format_log(ANDROID_LOG_ERROR, "netdClient", + "Unable to initialize netd_client component."); + } +#endif // LIBC_STATIC +} diff --git a/libc/bionic/connect.cpp b/libc/bionic/connect.cpp new file mode 100644 index 0000000..c5db46b --- /dev/null +++ b/libc/bionic/connect.cpp @@ -0,0 +1,22 @@ +/* + * Copyright (C) 2014 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <private/NetdClient.h> +#include <sys/socket.h> + +int connect(int sockfd, const sockaddr* addr, socklen_t addrlen) { + return __netdClientDispatch.connect(sockfd, addr, addrlen); +} diff --git a/libc/bionic/libc_init_dynamic.cpp b/libc/bionic/libc_init_dynamic.cpp index 61fb887..3d98861 100644 --- a/libc/bionic/libc_init_dynamic.cpp +++ b/libc/bionic/libc_init_dynamic.cpp @@ -58,6 +58,7 @@ extern "C" { extern void pthread_debug_init(void); extern void malloc_debug_init(void); extern void malloc_debug_fini(void); + extern void netdClientInit(void); }; // We flag the __libc_preinit function as a constructor to ensure @@ -79,6 +80,9 @@ __attribute__((constructor)) static void __libc_preinit() { // Hooks for the debug malloc and pthread libraries to let them know that we're starting up. pthread_debug_init(); malloc_debug_init(); + + // Hook for the netd client library to let it know that we're starting up. + netdClientInit(); } __LIBC_HIDDEN__ void __libc_postfini() { diff --git a/libc/private/NetdClient.h b/libc/private/NetdClient.h new file mode 100644 index 0000000..48c05cb --- /dev/null +++ b/libc/private/NetdClient.h @@ -0,0 +1,28 @@ +/* + * Copyright (C) 2014 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef PRIVATE_NETD_CLIENT_H +#define PRIVATE_NETD_CLIENT_H + +#include <sys/socket.h> + +struct NetdClientDispatch { + int (*connect)(int, const sockaddr*, socklen_t); +}; + +extern NetdClientDispatch __netdClientDispatch; + +#endif // PRIVATE_NETD_CLIENT_H |
