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Merge pull request #732 from facekapow/stub-csops
Add a dummy implementation of csops in userspace
authored by
Luboš Doležel
and committed by
GitHub
7bc9354e
bfd6cc90
+42
+1
src/kernel/emulation/linux/CMakeLists.txt
+1
src/kernel/emulation/linux/CMakeLists.txt
+31
src/kernel/emulation/linux/misc/csops.c
+31
src/kernel/emulation/linux/misc/csops.c
···
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#include "csops.h"
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#include <stdint.h>
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#include <sys/codesign.h>
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#include "../duct_errno.h"
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#include <strings.h>
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// TODO: actually implement this
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// this is just a dummy implementation for now that returns no actual data for any operation
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long sys_csops(int pid, unsigned int ops, void* useraddr, size_t usersize) {
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int ret = 0;
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switch (ops) {
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case CS_OPS_STATUS: {
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*(uint32_t*)useraddr = CS_VALID;
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} break;
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case CS_OPS_BLOB:
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case CS_OPS_ENTITLEMENTS_BLOB:
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case CS_OPS_IDENTITY: {
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memset(useraddr, 0, usersize);
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} break;
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// all other operations are completely unsupported
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default: {
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ret = -1;
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errno = ENOSYS;
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} break;
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}
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return ret;
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};
+8
src/kernel/emulation/linux/misc/csops.h
+8
src/kernel/emulation/linux/misc/csops.h
+2
src/kernel/emulation/linux/syscalls.c
+2
src/kernel/emulation/linux/syscalls.c
···
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#include "misc/gethostuuid.h"
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#include "misc/getrusage.h"
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#include "misc/syscall.h"
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#include "misc/csops.h"
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#include "synch/semwait_signal.h"
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#include "fcntl/open.h"
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#include "fcntl/openat.h"
···
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[157] = sys_statfs,
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[158] = sys_fstatfs,
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[159] = sys_unmount,
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[169] = sys_csops,
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[173] = sys_waitid,
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[181] = sys_setgid,
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[182] = sys_setegid,