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cred: setuid, setgid, seteuid, setegid and auth check

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Matheus
2024-08-25 16:08:06 -03:00
parent 87adc4d10a
commit fdcda428f9
8 changed files with 247 additions and 15 deletions
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patches/mlibc/jinx-working-patch.patch
+16 -8
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@@ -207,10 +207,10 @@ index 0000000..e5b087a
+
diff --git mlibc-workdir/sysdeps/astral/generic/generic.cpp mlibc-workdir/sysdeps/astral/generic/generic.cpp
new file mode 100644
index 0000000..e58c9ac
index 0000000..5047fee
--- /dev/null
+++ mlibc-workdir/sysdeps/astral/generic/generic.cpp
@@ -0,0 +1,975 @@
@@ -0,0 +1,979 @@
+#include <bits/ensure.h>
+#include <mlibc/debug.hpp>
+#include <mlibc/all-sysdeps.hpp>
@@ -285,19 +285,23 @@ index 0000000..e58c9ac
+ }
+
+ int sys_setuid(uid_t id) {
+ return sys_setresuid(id, -1, -1);
+ long ret;
+ return syscall(SYSCALL_SETUID, &ret, id);
+ }
+
+ int sys_setgid(gid_t id) {
+ return sys_setresgid(id, -1, -1);
+ long ret;
+ return syscall(SYSCALL_SETGID, &ret, id);
+ }
+
+ int sys_seteuid(uid_t id) {
+ return sys_setresuid(-1, id, -1);
+ long ret;
+ return syscall(SYSCALL_SETEUID, &ret, id);
+ }
+
+ int sys_setegid(gid_t id) {
+ return sys_setresgid(-1, id, -1);
+ long ret;
+ return syscall(SYSCALL_SETEGID, &ret, id);
+ }
+
+ uid_t sys_getuid() {
@@ -1205,10 +1209,10 @@ index 0000000..990eca0
+#endif
diff --git mlibc-workdir/sysdeps/astral/include/astral/syscall.h mlibc-workdir/sysdeps/astral/include/astral/syscall.h
new file mode 100644
index 0000000..4d30885
index 0000000..90516f7
--- /dev/null
+++ mlibc-workdir/sysdeps/astral/include/astral/syscall.h
@@ -0,0 +1,107 @@
@@ -0,0 +1,111 @@
+#ifndef _SYSCALL_H_INCLUDE
+#define _SYSCALL_H_INCLUDE
+
@@ -1296,6 +1300,10 @@ index 0000000..4d30885
+#define SYSCALL_SETRESUID 81
+#define SYSCALL_SETRESGID 82
+#define SYSCALL_MPROTECT 83
+#define SYSCALL_SETUID 84
+#define SYSCALL_SETEUID 85
+#define SYSCALL_SETGID 86
+#define SYSCALL_SETEGID 87
+
+#include <stddef.h>
+#include <stdint.h>