SYSCALL_GETEGID = 89,
SYSCALL_SETEUID = 90,
SYSCALL_SETEGID = 91,
- SYSCALL_SETITIMER = 92,
- SYSCALL_GETITIMER = 93,
- SYSCALL_WAITID = 94,
- SYSCALL_SIGQUEUE = 95,
- SYSCALL_POSIX_SPAWN = 96,
- SYSCALL_MQ_OPEN = 97,
- SYSCALL_MQ_CLOSE = 98,
- SYSCALL_MQ_SEND = 99,
- SYSCALL_MQ_RECEIVE = 100,
- SYSCALL_MQ_UNLINK = 101,
- SYSCALL_SEM_OPEN = 102,
- SYSCALL_SEM_CLOSE = 103,
- SYSCALL_SEM_WAIT = 104,
- SYSCALL_SEM_POST = 105,
- SYSCALL_SEM_UNLINK = 106,
- SYSCALL_SEM_GETVALUE = 107,
- SYSCALL_GETADDRINFO = 108,
- SYSCALL_DLOPEN = 109,
- SYSCALL_DLSYM = 110,
- SYSCALL_DLCLOSE = 111,
-
- SYSCALL_EPOLL_CREATE = 112,
- SYSCALL_EPOLL_CTL = 113,
- SYSCALL_EPOLL_WAIT = 114,
-
- SYSCALL_INOTIFY_INIT = 115,
- SYSCALL_INOTIFY_ADD_WATCH = 116,
- SYSCALL_INOTIFY_RM_WATCH = 117,
-
- SYSCALL_SENDMSG = 118,
- SYSCALL_RECVMSG = 119,
-
- SYSCALL_PIVOT_ROOT = 120,
-
- SYSCALL_AIO_READ = 121,
- SYSCALL_AIO_WRITE = 122,
- SYSCALL_AIO_ERROR = 123,
- SYSCALL_AIO_RETURN = 124,
- SYSCALL_AIO_SUSPEND = 125,
-
- SYSCALL_MOUNT = 126,
-
- SYSCALL_GETTIMEOFDAY = 127,
- SYSCALL_MPROTECT = 128,
- SYSCALL_GETRLIMIT = 129,
- SYSCALL_SETRLIMIT = 130,
- SYSCALL_SETSOCKOPT = 131,
- SYSCALL_GETSOCKOPT = 132,
- SYSCALL_SHUTDOWN = 133,
- SYSCALL_GETPEERNAME = 134,
- SYSCALL_GETSOCKNAME = 135,
- SYSCALL_UNAME = 136,
- SYSCALL_GETRUSAGE = 137,
- SYSCALL_UMOUNT2 = 138,
- SYSCALL_WAIT4 = 139,
- SYSCALL_MADVISE = 140,
- SYSCALL_EXECVEAT = 141,
- SYSCALL_REBOOT = 142,
+ SYSCALL_SETREUID = 92,
+ SYSCALL_SETREGID = 93,
+ SYSCALL_SETITIMER = 94,
+ SYSCALL_GETITIMER = 95,
+ SYSCALL_WAITID = 96,
+ SYSCALL_SIGQUEUE = 97,
+ SYSCALL_POSIX_SPAWN = 98,
+ SYSCALL_MQ_OPEN = 99,
+ SYSCALL_MQ_CLOSE = 100,
+ SYSCALL_MQ_SEND = 101,
+ SYSCALL_MQ_RECEIVE = 102,
+ SYSCALL_MQ_UNLINK = 103,
+ SYSCALL_SEM_OPEN = 104,
+ SYSCALL_SEM_CLOSE = 105,
+ SYSCALL_SEM_WAIT = 106,
+ SYSCALL_SEM_POST = 107,
+ SYSCALL_SEM_UNLINK = 108,
+ SYSCALL_SEM_GETVALUE = 109,
+ SYSCALL_GETADDRINFO = 110,
+ SYSCALL_DLOPEN = 111,
+ SYSCALL_DLSYM = 112,
+ SYSCALL_DLCLOSE = 113,
+
+ SYSCALL_EPOLL_CREATE = 114,
+ SYSCALL_EPOLL_CTL = 115,
+ SYSCALL_EPOLL_WAIT = 116,
+
+ SYSCALL_INOTIFY_INIT = 117,
+ SYSCALL_INOTIFY_ADD_WATCH = 118,
+ SYSCALL_INOTIFY_RM_WATCH = 119,
+
+ SYSCALL_SENDMSG = 120,
+ SYSCALL_RECVMSG = 121,
+
+ SYSCALL_PIVOT_ROOT = 122,
+
+ SYSCALL_AIO_READ = 123,
+ SYSCALL_AIO_WRITE = 124,
+ SYSCALL_AIO_ERROR = 125,
+ SYSCALL_AIO_RETURN = 126,
+ SYSCALL_AIO_SUSPEND = 127,
+
+ SYSCALL_MOUNT = 128,
+
+ SYSCALL_GETTIMEOFDAY = 129,
+ SYSCALL_MPROTECT = 130,
+ SYSCALL_GETRLIMIT = 131,
+ SYSCALL_SETRLIMIT = 132,
+ SYSCALL_SETSOCKOPT = 133,
+ SYSCALL_GETSOCKOPT = 134,
+ SYSCALL_SHUTDOWN = 135,
+ SYSCALL_GETPEERNAME = 136,
+ SYSCALL_GETSOCKNAME = 137,
+ SYSCALL_UNAME = 138,
+ SYSCALL_GETRUSAGE = 139,
+ SYSCALL_UMOUNT2 = 140,
+ SYSCALL_WAIT4 = 141,
+ SYSCALL_MADVISE = 142,
+ SYSCALL_EXECVEAT = 143,
+ SYSCALL_REBOOT = 144,
};
#endif
#define SYS_GETEGID 89
#define SYS_SETEUID 90
#define SYS_SETEGID 91
-#define SYS_SETITIMER 92
-#define SYS_GETITIMER 93
-#define SYS_WAITID 94
-#define SYS_SIGQUEUE 95
-#define SYS_POSIX_SPAWN 96
-#define SYS_MQ_OPEN 97
-#define SYS_MQ_CLOSE 98
-#define SYS_MQ_SEND 99
-#define SYS_MQ_RECEIVE 100
-#define SYS_MQ_UNLINK 101
-#define SYS_SEM_OPEN 102
-#define SYS_SEM_CLOSE 103
-#define SYS_SEM_WAIT 104
-#define SYS_SEM_POST 105
-#define SYS_SEM_UNLINK 106
-#define SYS_SEM_GETVALUE 107
-#define SYS_GETADDRINFO 108
-#define SYS_DLOPEN 109
-#define SYS_DLSYM 110
-#define SYS_DLCLOSE 111
-#define SYS_EPOLL_CREATE 112
-#define SYS_EPOLL_CTL 113
-#define SYS_EPOLL_WAIT 114
-#define SYS_INOTIFY_INIT 115
-#define SYS_INOTIFY_ADD_WATCH 116
-#define SYS_INOTIFY_RM_WATCH 117
-#define SYS_SENDMSG 118
-#define SYS_RECVMSG 119
-#define SYS_PIVOT_ROOT 120
-#define SYS_AIO_READ 121
-#define SYS_AIO_WRITE 122
-#define SYS_AIO_ERROR 123
-#define SYS_AIO_RETURN 124
-#define SYS_AIO_SUSPEND 125
-#define SYS_MOUNT 126
-#define SYS_GETTIMEOFDAY 127
-#define SYS_MPROTECT 128
-#define SYS_GETRLIMIT 129
-#define SYS_SETRLIMIT 130
-#define SYS_SETSOCKOPT 131
-#define SYS_GETSOCKOPT 132
-#define SYS_SHUTDOWN 133
-#define SYS_GETPEERNAME 134
-#define SYS_GETSOCKNAME 135
-#define SYS_UNAME 136
-#define SYS_GETRUSAGE 137
-#define SYS_UMOUNT2 138
-#define SYS_WAIT4 139
-#define SYS_MADVISE 140
-#define SYS_EXECVEAT 141
+#define SYS_SETREUID 92
+#define SYS_SETREGID 93
+#define SYS_SETITIMER 94
+#define SYS_GETITIMER 95
+#define SYS_WAITID 96
+#define SYS_SIGQUEUE 97
+#define SYS_POSIX_SPAWN 98
+#define SYS_MQ_OPEN 99
+#define SYS_MQ_CLOSE 100
+#define SYS_MQ_SEND 101
+#define SYS_MQ_RECEIVE 102
+#define SYS_MQ_UNLINK 103
+#define SYS_SEM_OPEN 104
+#define SYS_SEM_CLOSE 105
+#define SYS_SEM_WAIT 106
+#define SYS_SEM_POST 107
+#define SYS_SEM_UNLINK 108
+#define SYS_SEM_GETVALUE 109
+#define SYS_GETADDRINFO 110
+#define SYS_DLOPEN 111
+#define SYS_DLSYM 112
+#define SYS_DLCLOSE 113
+#define SYS_EPOLL_CREATE 114
+#define SYS_EPOLL_CTL 115
+#define SYS_EPOLL_WAIT 116
+#define SYS_INOTIFY_INIT 117
+#define SYS_INOTIFY_ADD_WATCH 118
+#define SYS_INOTIFY_RM_WATCH 119
+#define SYS_SENDMSG 120
+#define SYS_RECVMSG 121
+#define SYS_PIVOT_ROOT 122
+#define SYS_AIO_READ 123
+#define SYS_AIO_WRITE 124
+#define SYS_AIO_ERROR 125
+#define SYS_AIO_RETURN 126
+#define SYS_AIO_SUSPEND 127
+#define SYS_MOUNT 128
+#define SYS_GETTIMEOFDAY 129
+#define SYS_MPROTECT 130
+#define SYS_GETRLIMIT 131
+#define SYS_SETRLIMIT 132
+#define SYS_SETSOCKOPT 133
+#define SYS_GETSOCKOPT 134
+#define SYS_SHUTDOWN 135
+#define SYS_GETPEERNAME 136
+#define SYS_GETSOCKNAME 137
+#define SYS_UNAME 138
+#define SYS_GETRUSAGE 139
+#define SYS_UMOUNT2 140
+#define SYS_WAIT4 141
+#define SYS_MADVISE 142
+#define SYS_EXECVEAT 143
+#define SYS_REBOOT 144
/* ---- Raw syscall helpers ---- */
int setgid(gid_t gid) { return _check(_sc1(SYS_SETGID, (int)gid)); }
int setreuid(uid_t ruid, uid_t euid) {
- /* AdrOS has setuid/seteuid but no setreuid — approximate */
- if (ruid != (uid_t)-1) { int r = _check(_sc1(SYS_SETUID, (int)ruid)); if (r < 0) return r; }
- if (euid != (uid_t)-1) { int r = _check(_sc1(SYS_SETEUID, (int)euid)); if (r < 0) return r; }
- return 0;
+ return _check(_sc2(SYS_SETREUID, (int)ruid, (int)euid));
}
int setregid(gid_t rgid, gid_t egid) {
- if (rgid != (gid_t)-1) { int r = _check(_sc1(SYS_SETGID, (int)rgid)); if (r < 0) return r; }
- if (egid != (gid_t)-1) { int r = _check(_sc1(SYS_SETEGID, (int)egid)); if (r < 0) return r; }
- return 0;
+ return _check(_sc2(SYS_SETREGID, (int)rgid, (int)egid));
}
mode_t umask(mode_t mask) {
return;
}
+ if (syscall_no == SYSCALL_SETREUID) {
+ if (!current_process) { sc_ret(regs) = (uint32_t)-EINVAL; return; }
+ uint32_t ruid = sc_arg0(regs);
+ uint32_t euid = sc_arg1(regs);
+ /* POSIX: If ruid != -1, caller must have CAP_SETUID or ruid must match real/saved */
+ if (ruid != (uint32_t)-1) {
+ if (current_process->euid != 0 &&
+ ruid != current_process->uid && ruid != current_process->suid) {
+ sc_ret(regs) = (uint32_t)-EPERM;
+ return;
+ }
+ }
+ /* POSIX: If euid != -1, caller must have CAP_SETUID or euid must match real/saved */
+ if (euid != (uint32_t)-1) {
+ if (current_process->euid != 0 &&
+ euid != current_process->uid && euid != current_process->suid) {
+ sc_ret(regs) = (uint32_t)-EPERM;
+ return;
+ }
+ }
+ if (ruid != (uint32_t)-1) current_process->uid = ruid;
+ if (euid != (uint32_t)-1) current_process->euid = euid;
+ if (euid != (uint32_t)-1) current_process->suid = euid;
+ sc_ret(regs) = 0;
+ return;
+ }
+
+ if (syscall_no == SYSCALL_SETREGID) {
+ if (!current_process) { sc_ret(regs) = (uint32_t)-EINVAL; return; }
+ uint32_t rgid = sc_arg0(regs);
+ uint32_t egid = sc_arg1(regs);
+ /* POSIX: If rgid != -1, caller must have CAP_SETGID or rgid must match real/saved */
+ if (rgid != (uint32_t)-1) {
+ if (current_process->euid != 0 &&
+ rgid != current_process->gid && rgid != current_process->sgid) {
+ sc_ret(regs) = (uint32_t)-EPERM;
+ return;
+ }
+ }
+ /* POSIX: If egid != -1, caller must have CAP_SETGID or egid must match real/saved */
+ if (egid != (uint32_t)-1) {
+ if (current_process->euid != 0 &&
+ egid != current_process->gid && egid != current_process->sgid) {
+ sc_ret(regs) = (uint32_t)-EPERM;
+ return;
+ }
+ }
+ if (rgid != (uint32_t)-1) current_process->gid = rgid;
+ if (egid != (uint32_t)-1) current_process->egid = egid;
+ if (egid != (uint32_t)-1) current_process->sgid = egid;
+ sc_ret(regs) = 0;
+ return;
+ }
+
if (syscall_no == SYSCALL_FLOCK) {
int fd = (int)sc_arg0(regs);
int operation = (int)sc_arg1(regs);
return __syscall_ret(_syscall1(SYS_SETEGID, egid));
}
+int setreuid(uid_t ruid, uid_t euid) {
+ return __syscall_ret(_syscall2(SYS_SETREUID, ruid, euid));
+}
+
+int setregid(gid_t rgid, gid_t egid) {
+ return __syscall_ret(_syscall2(SYS_SETREGID, rgid, egid));
+}
+
int truncate(const char* path, off_t length) {
return __syscall_ret(_syscall2(SYS_TRUNCATE, (int)path, (int)length));
}
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