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54 lines
1.8 KiB
54 lines
1.8 KiB
From fc5eafeb2886605d4de1546846f06a12a18c87ef Mon Sep 17 00:00:00 2001
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From: "J.W" <jakwings@gmail.com>
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Date: Mon, 22 Apr 2019 05:19:32 +0100
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Subject: [PATCH 1/2] Fix macros for accept4(2)
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Both accept(2) and accept4(2) exist on linux but accept4(2) does not
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exist on macos 10.11.6 (and maybe other distros).
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---
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src/lib/torsocks.c | 9 ++++++++-
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src/lib/torsocks.h | 4 +++-
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2 files changed, 11 insertions(+), 2 deletions(-)
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diff --git a/src/lib/torsocks.c b/src/lib/torsocks.c
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index 16f2da0..9527513 100644
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--- a/src/lib/torsocks.c
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+++ b/src/lib/torsocks.c
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@@ -234,9 +234,16 @@ static void init_libc_symbols(void)
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tsocks_libc_socket = dlsym(libc_ptr, LIBC_SOCKET_NAME_STR);
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tsocks_libc_syscall = dlsym(libc_ptr, LIBC_SYSCALL_NAME_STR);
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tsocks_libc_execve = dlsym(libc_ptr, LIBC_EXECVE_NAME_STR);
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+ tsocks_libc_accept = dlsym(libc_ptr, LIBC_ACCEPT_NAME_STR);
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+#if (defined(__linux__))
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tsocks_libc_accept4 = dlsym(libc_ptr, LIBC_ACCEPT4_NAME_STR);
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+#endif
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+
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if (!tsocks_libc_connect || !tsocks_libc_close || !tsocks_libc_socket ||
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- !tsocks_libc_syscall || !tsocks_libc_execve || ! tsocks_libc_accept4) {
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+#if (defined(__linux__))
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+ !tsocks_libc_accept4 ||
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+#endif
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+ !tsocks_libc_syscall || !tsocks_libc_execve || ! tsocks_libc_accept) {
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ERR("Unable to lookup symbols in " LIBC_NAME "(%s)", dlerror());
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goto error;
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}
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diff --git a/src/lib/torsocks.h b/src/lib/torsocks.h
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index 33da526..bf9109d 100644
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--- a/src/lib/torsocks.h
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+++ b/src/lib/torsocks.h
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@@ -30,8 +30,10 @@
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* libc call outside of torsocks can be used. These are declared for each
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* symbol torsocks hijacked.
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*/
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+#define TSOCKS_LIBC_FUNC(name) \
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+ tsocks_libc_##name
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#define TSOCKS_LIBC_DECL(name, type, sig) \
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- type (*tsocks_libc_##name)(sig);
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+ type (*TSOCKS_LIBC_FUNC(name))(sig);
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#define TSOCKS_DECL(name, type, sig) \
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extern type tsocks_##name(sig);
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--
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2.21.0
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