mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-05-31 09:42:27 +00:00
Make more fixes and improvements
- Remove PAGESIZE constant
- Fix realloc() documentation
- Fix ttyname_r() error reporting
- Make forking more reliable on Windows
- Make execvp() a few microseconds faster
- Make system() a few microseconds faster
- Tighten up the socket-related magic numbers
- Loosen restrictions on mmap() offset alignment
- Improve GetProgramExecutableName() with getenv("_")
- Use mkstemp() as basis for mktemp(), tmpfile(), tmpfd()
- Fix flakes in pthread_cancel_test, unix_test, fork_test
- Fix recently introduced futex stack overflow regression
- Let sockets be passed as stdio to subprocesses on Windows
- Improve security of bind() on Windows w/ SO_EXCLUSIVEADDRUSE
This commit is contained in:
Justine Tunney
parent
140a8a52e5
commit
18bb5888e1
311 changed files with 1239 additions and 2622 deletions
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@ -17,6 +17,11 @@
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/calls.h"
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#include "libc/calls/internal.h"
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#include "libc/calls/struct/fd.internal.h"
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#include "libc/dce.h"
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#include "libc/nt/winsock.h"
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#include "libc/runtime/runtime.h"
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#include "libc/sock/sock.h"
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#include "libc/sock/struct/sockaddr.h"
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#include "libc/sock/struct/sockaddr6.h"
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@ -25,6 +30,7 @@
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#include "libc/sysv/consts/ipproto.h"
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#include "libc/sysv/consts/limits.h"
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#include "libc/sysv/consts/sock.h"
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#include "libc/testlib/subprocess.h"
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#include "libc/testlib/testlib.h"
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TEST(ipv4, test) {
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@ -40,27 +46,20 @@ TEST(ipv4, test) {
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ASSERT_SYS(0, 0, bind(3, (struct sockaddr *)&addr, sizeof(addr)));
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ASSERT_SYS(0, 0, getsockname(3, (struct sockaddr *)&addr, &addrsize));
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ASSERT_SYS(0, 0, listen(3, SOMAXCONN));
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ASSERT_NE(-1, (pid = fork()));
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if (!pid) {
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ASSERT_SYS(0, 4, accept(3, (struct sockaddr *)&addr, &addrsize));
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ASSERT_SYS(0, 5, send(4, "hello", 5, 0));
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ASSERT_SYS(0, 0, close(4));
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ASSERT_SYS(0, 0, close(3));
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_Exit(0);
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}
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SPAWN(fork);
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ASSERT_SYS(0, 4, accept(3, (struct sockaddr *)&addr, &addrsize));
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ASSERT_SYS(0, 5, send(4, "hello", 5, 0));
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PARENT();
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EXPECT_SYS(0, 0, close(3));
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EXPECT_SYS(0, 3, socket(AF_INET, SOCK_STREAM, IPPROTO_TCP));
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EXPECT_SYS(0, 0, connect(3, (struct sockaddr *)&addr, sizeof(addr)));
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EXPECT_SYS(0, 5, read(3, buf, 16));
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EXPECT_STREQ("hello", buf);
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EXPECT_SYS(0, 0, close(3));
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EXPECT_NE(-1, wait(&ws));
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ASSERT_TRUE(WIFEXITED(ws));
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ASSERT_EQ(0, WEXITSTATUS(ws));
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WAIT(exit, 0);
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}
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TEST(ipv6, test) {
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int ws, pid;
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char buf[16] = {0};
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int64_t inoffset;
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uint32_t addrsize = sizeof(struct sockaddr_in6);
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@ -74,23 +73,19 @@ TEST(ipv6, test) {
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ASSERT_EQ(AF_INET6, addr.sin6_family);
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ASSERT_NE(0, addr.sin6_port);
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ASSERT_SYS(0, 0, listen(3, SOMAXCONN));
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ASSERT_NE(-1, (pid = fork()));
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if (!pid) {
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ASSERT_SYS(0, 4, accept(3, (struct sockaddr *)&addr, &addrsize));
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ASSERT_SYS(0, 5, send(4, "hello", 5, 0));
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ASSERT_SYS(0, 0, close(4));
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ASSERT_SYS(0, 0, close(3));
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_Exit(0);
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}
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SPAWN(fork);
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ASSERT_SYS(0, 4, accept(3, (struct sockaddr *)&addr, &addrsize));
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ASSERT_SYS(0, 5, send(4, "hello", 5, 0));
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ASSERT_SYS(0, 0, close(4));
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ASSERT_SYS(0, 0, close(3));
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PARENT();
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EXPECT_SYS(0, 0, close(3));
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EXPECT_SYS(0, 3, socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP));
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EXPECT_SYS(0, 0, connect(3, (struct sockaddr *)&addr, sizeof(addr)));
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EXPECT_SYS(0, 5, read(3, buf, 16));
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EXPECT_STREQ("hello", buf);
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EXPECT_SYS(0, 0, close(3));
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EXPECT_NE(-1, wait(&ws));
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ASSERT_TRUE(WIFEXITED(ws));
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ASSERT_EQ(0, WEXITSTATUS(ws));
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WAIT(exit, 0);
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}
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TEST(getsockname, defaultsToZero) {
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@ -118,3 +113,76 @@ TEST(getsockname, copiesSafely_givesFullSize) {
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ASSERT_EQ(0xffff, addr.sin_port);
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EXPECT_SYS(0, 0, close(3));
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}
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TEST(socket, canBeInheritedByForkedWorker) {
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char buf[16] = {0};
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int64_t inoffset;
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uint32_t addrsize = sizeof(struct sockaddr_in);
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struct sockaddr_in addr = {
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.sin_family = AF_INET,
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.sin_addr.s_addr = htonl(0x7f000001),
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};
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ASSERT_SYS(0, 3, socket(AF_INET, SOCK_STREAM, IPPROTO_TCP));
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ASSERT_SYS(0, 0, bind(3, (struct sockaddr *)&addr, sizeof(addr)));
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ASSERT_SYS(0, 0, getsockname(3, (struct sockaddr *)&addr, &addrsize));
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ASSERT_SYS(0, 0, listen(3, SOMAXCONN));
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SPAWN(fork);
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ASSERT_SYS(0, 4, accept(3, (struct sockaddr *)&addr, &addrsize));
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ASSERT_SYS(0, 0, close(3));
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SPAWN(fork);
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ASSERT_SYS(0, 5, write(4, "hello", 5));
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PARENT();
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ASSERT_SYS(0, 0, close(4));
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WAIT(exit, 0);
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PARENT();
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EXPECT_SYS(0, 0, close(3));
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EXPECT_SYS(0, 3, socket(AF_INET, SOCK_STREAM, IPPROTO_TCP));
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EXPECT_SYS(0, 0, connect(3, (struct sockaddr *)&addr, sizeof(addr)));
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EXPECT_SYS(0, 5, read(3, buf, 16));
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EXPECT_STREQ("hello", buf);
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EXPECT_SYS(0, 0, close(3));
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WAIT(exit, 0);
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}
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__attribute__((__constructor__)) static void StdioPro(int argc, char *argv[]) {
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if (argc >= 2 && !strcmp(argv[1], "StdioProg")) {
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ASSERT_EQ(NULL, getenv("__STDIO_SOCKETS"));
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ASSERT_EQ(5, write(1, "hello", 5));
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exit(0);
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}
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}
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TEST(socket, canBeUsedAsExecutedStdio) {
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char buf[16] = {0};
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int64_t inoffset;
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const char *prog;
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uint32_t addrsize = sizeof(struct sockaddr_in);
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struct sockaddr_in addr = {
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.sin_family = AF_INET,
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.sin_addr.s_addr = htonl(0x7f000001),
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};
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prog = GetProgramExecutableName();
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ASSERT_SYS(0, 3, socket(AF_INET, SOCK_STREAM | SOCK_CLOEXEC, IPPROTO_TCP));
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ASSERT_SYS(0, 0, bind(3, (struct sockaddr *)&addr, sizeof(addr)));
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ASSERT_SYS(0, 0, getsockname(3, (struct sockaddr *)&addr, &addrsize));
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ASSERT_SYS(0, 0, listen(3, SOMAXCONN));
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SPAWN(fork);
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ASSERT_SYS(0, 4,
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accept4(3, (struct sockaddr *)&addr, &addrsize, SOCK_CLOEXEC));
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ASSERT_SYS(0, 1, dup2(4, 1));
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SPAWN(vfork);
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execve(prog, (char *[]){prog, "StdioProg", 0}, (char *[]){0});
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abort();
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PARENT();
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ASSERT_SYS(0, 0, close(4));
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ASSERT_SYS(0, 0, close(3));
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WAIT(exit, 0);
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PARENT();
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EXPECT_SYS(0, 0, close(3));
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EXPECT_SYS(0, 3, socket(AF_INET, SOCK_STREAM, IPPROTO_TCP));
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EXPECT_SYS(0, 0, connect(3, (struct sockaddr *)&addr, sizeof(addr)));
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EXPECT_SYS(0, 5, read(3, buf, 16));
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EXPECT_STREQ("hello", buf);
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EXPECT_SYS(0, 0, close(3));
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WAIT(exit, 0);
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}
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