95 lines
2.6 KiB
Diff
95 lines
2.6 KiB
Diff
From 4c00ec8773fd63fa48ef49e1ccf2adac598427be Mon Sep 17 00:00:00 2001
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From: Alejandro Alvarado <44826516+seisvelas@users.noreply.github.com>
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Date: Mon, 17 Dec 2018 19:25:18 -0600
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Subject: Add getdents / getdents64 support re ticket 28861
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---
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src/common/compat.h | 8 ++++++++
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src/lib/syscall.c | 37 +++++++++++++++++++++++++++++++++++++
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2 files changed, 45 insertions(+)
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diff --git a/src/common/compat.h b/src/common/compat.h
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index a9b73c2..d79301f 100644
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--- a/src/common/compat.h
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+++ b/src/common/compat.h
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@@ -129,6 +129,12 @@ void tsocks_once(tsocks_once_t *o, void (*init_routine)(void));
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#ifndef __NR_memfd_create
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#define __NR_memfd_create -19
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#endif
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+#ifndef __NR_getdents
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+#define __NR_getdents -20
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+#endif
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+#ifndef __NR_getdents64
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+#define __NR_getdents64 -21
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+#endif
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#define TSOCKS_NR_SOCKET __NR_socket
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#define TSOCKS_NR_CONNECT __NR_connect
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@@ -149,6 +155,8 @@ void tsocks_once(tsocks_once_t *o, void (*init_routine)(void));
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#define TSOCKS_NR_CLOCK_GETTIME __NR_clock_gettime
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#define TSOCKS_NR_FORK __NR_fork
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#define TSOCKS_NR_MEMFD_CREATE __NR_memfd_create
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+#define TSOCKS_NR_GETDENTS __NR_getdents
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+#define TSOCKS_NR_GETDENTS64 __NR_getdents64
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/*
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* Despite glibc providing wrappers for these calls for a long time
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diff --git a/src/lib/syscall.c b/src/lib/syscall.c
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index 7fba580..f793da7 100644
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--- a/src/lib/syscall.c
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+++ b/src/lib/syscall.c
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@@ -437,6 +437,37 @@ static LIBC_SYSCALL_RET_TYPE handle_memfd_create(va_list args)
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return tsocks_libc_syscall(TSOCKS_NR_MEMFD_CREATE, name, flags);
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}
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+/*
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+ * Handle getdents(2) syscall.
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+ */
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+static LIBC_SYSCALL_RET_TYPE handle_getdents(va_list args)
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+{
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+ unsigned int fd;
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+ struct linux_dirent *dirp;
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+ unsigned int count;
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+
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+ fd = va_arg(args, __typeof__(fd));
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+ dirp = va_arg(args, __typeof__(dirp));
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+ count = va_arg(args, __typeof__(count));
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+
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+ return tsocks_libc_syscall(TSOCKS_NR_GETDENTS, fd, dirp, count);
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+}
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+/*
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+ * Handle getdents64(2) syscall.
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+ */
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+static LIBC_SYSCALL_RET_TYPE handle_getdents64(va_list args)
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+{
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+ unsigned int fd;
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+ struct linux_dirent64 *dirp;
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+ unsigned int count;
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+
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+ fd = va_arg(args, __typeof__(fd));
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+ dirp = va_arg(args, __typeof__(dirp));
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+ count = va_arg(args, __typeof__(count));
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+
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+ return tsocks_libc_syscall(TSOCKS_NR_GETDENTS64, fd, dirp, count);
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+}
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+
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#endif /* __linux__ */
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/*
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@@ -558,6 +589,12 @@ LIBC_SYSCALL_RET_TYPE tsocks_syscall(long int number, va_list args)
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case TSOCKS_NR_MEMFD_CREATE:
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ret = handle_memfd_create(args);
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break;
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+ case TSOCKS_NR_GETDENTS:
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+ ret = handle_getdents(args);
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+ break;
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+ case TSOCKS_NR_GETDENTS64:
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+ ret = handle_getdents64(args);
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+ break;
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#endif /* __linux__ */
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default:
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/*
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--
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cgit v1.2.1
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