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-rw-r--r--linux-user/syscall.c119
1 files changed, 62 insertions, 57 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 36ca921a7e..7ea23ad6ce 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -3897,89 +3897,94 @@ fail:
}
#ifdef TARGET_NR_socketcall
-/* do_socketcall() Must return target values and target errnos. */
+/* do_socketcall() must return target values and target errnos. */
static abi_long do_socketcall(int num, abi_ulong vptr)
{
- static const unsigned ac[] = { /* number of arguments per call */
- [SOCKOP_socket] = 3, /* domain, type, protocol */
- [SOCKOP_bind] = 3, /* sockfd, addr, addrlen */
- [SOCKOP_connect] = 3, /* sockfd, addr, addrlen */
- [SOCKOP_listen] = 2, /* sockfd, backlog */
- [SOCKOP_accept] = 3, /* sockfd, addr, addrlen */
- [SOCKOP_accept4] = 4, /* sockfd, addr, addrlen, flags */
- [SOCKOP_getsockname] = 3, /* sockfd, addr, addrlen */
- [SOCKOP_getpeername] = 3, /* sockfd, addr, addrlen */
- [SOCKOP_socketpair] = 4, /* domain, type, protocol, tab */
- [SOCKOP_send] = 4, /* sockfd, msg, len, flags */
- [SOCKOP_recv] = 4, /* sockfd, msg, len, flags */
- [SOCKOP_sendto] = 6, /* sockfd, msg, len, flags, addr, addrlen */
- [SOCKOP_recvfrom] = 6, /* sockfd, msg, len, flags, addr, addrlen */
- [SOCKOP_shutdown] = 2, /* sockfd, how */
- [SOCKOP_sendmsg] = 3, /* sockfd, msg, flags */
- [SOCKOP_recvmsg] = 3, /* sockfd, msg, flags */
- [SOCKOP_sendmmsg] = 4, /* sockfd, msgvec, vlen, flags */
- [SOCKOP_recvmmsg] = 4, /* sockfd, msgvec, vlen, flags */
- [SOCKOP_setsockopt] = 5, /* sockfd, level, optname, optval, optlen */
- [SOCKOP_getsockopt] = 5, /* sockfd, level, optname, optval, optlen */
+ static const unsigned nargs[] = { /* number of arguments per operation */
+ [TARGET_SYS_SOCKET] = 3, /* domain, type, protocol */
+ [TARGET_SYS_BIND] = 3, /* fd, addr, addrlen */
+ [TARGET_SYS_CONNECT] = 3, /* fd, addr, addrlen */
+ [TARGET_SYS_LISTEN] = 2, /* fd, backlog */
+ [TARGET_SYS_ACCEPT] = 3, /* fd, addr, addrlen */
+ [TARGET_SYS_GETSOCKNAME] = 3, /* fd, addr, addrlen */
+ [TARGET_SYS_GETPEERNAME] = 3, /* fd, addr, addrlen */
+ [TARGET_SYS_SOCKETPAIR] = 4, /* domain, type, protocol, tab */
+ [TARGET_SYS_SEND] = 4, /* fd, msg, len, flags */
+ [TARGET_SYS_RECV] = 4, /* fd, msg, len, flags */
+ [TARGET_SYS_SENDTO] = 6, /* fd, msg, len, flags, addr, addrlen */
+ [TARGET_SYS_RECVFROM] = 6, /* fd, msg, len, flags, addr, addrlen */
+ [TARGET_SYS_SHUTDOWN] = 2, /* fd, how */
+ [TARGET_SYS_SETSOCKOPT] = 5, /* fd, level, optname, optval, optlen */
+ [TARGET_SYS_GETSOCKOPT] = 5, /* fd, level, optname, optval, optlen */
+ [TARGET_SYS_SENDMSG] = 3, /* fd, msg, flags */
+ [TARGET_SYS_RECVMSG] = 3, /* fd, msg, flags */
+ [TARGET_SYS_ACCEPT4] = 4, /* fd, addr, addrlen, flags */
+ [TARGET_SYS_RECVMMSG] = 4, /* fd, msgvec, vlen, flags */
+ [TARGET_SYS_SENDMMSG] = 4, /* fd, msgvec, vlen, flags */
};
abi_long a[6]; /* max 6 args */
+ unsigned i;
- /* first, collect the arguments in a[] according to ac[] */
- if (num >= 0 && num < ARRAY_SIZE(ac)) {
- unsigned i;
- assert(ARRAY_SIZE(a) >= ac[num]); /* ensure we have space for args */
- for (i = 0; i < ac[num]; ++i) {
- if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) {
- return -TARGET_EFAULT;
- }
+ /* check the range of the first argument num */
+ /* (TARGET_SYS_SENDMMSG is the highest among TARGET_SYS_xxx) */
+ if (num < 1 || num > TARGET_SYS_SENDMMSG) {
+ return -TARGET_EINVAL;
+ }
+ /* ensure we have space for args */
+ if (nargs[num] > ARRAY_SIZE(a)) {
+ return -TARGET_EINVAL;
+ }
+ /* collect the arguments in a[] according to nargs[] */
+ for (i = 0; i < nargs[num]; ++i) {
+ if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) {
+ return -TARGET_EFAULT;
}
}
-
- /* now when we have the args, actually handle the call */
+ /* now when we have the args, invoke the appropriate underlying function */
switch (num) {
- case SOCKOP_socket: /* domain, type, protocol */
+ case TARGET_SYS_SOCKET: /* domain, type, protocol */
return do_socket(a[0], a[1], a[2]);
- case SOCKOP_bind: /* sockfd, addr, addrlen */
+ case TARGET_SYS_BIND: /* sockfd, addr, addrlen */
return do_bind(a[0], a[1], a[2]);
- case SOCKOP_connect: /* sockfd, addr, addrlen */
+ case TARGET_SYS_CONNECT: /* sockfd, addr, addrlen */
return do_connect(a[0], a[1], a[2]);
- case SOCKOP_listen: /* sockfd, backlog */
+ case TARGET_SYS_LISTEN: /* sockfd, backlog */
return get_errno(listen(a[0], a[1]));
- case SOCKOP_accept: /* sockfd, addr, addrlen */
+ case TARGET_SYS_ACCEPT: /* sockfd, addr, addrlen */
return do_accept4(a[0], a[1], a[2], 0);
- case SOCKOP_accept4: /* sockfd, addr, addrlen, flags */
- return do_accept4(a[0], a[1], a[2], a[3]);
- case SOCKOP_getsockname: /* sockfd, addr, addrlen */
+ case TARGET_SYS_GETSOCKNAME: /* sockfd, addr, addrlen */
return do_getsockname(a[0], a[1], a[2]);
- case SOCKOP_getpeername: /* sockfd, addr, addrlen */
+ case TARGET_SYS_GETPEERNAME: /* sockfd, addr, addrlen */
return do_getpeername(a[0], a[1], a[2]);
- case SOCKOP_socketpair: /* domain, type, protocol, tab */
+ case TARGET_SYS_SOCKETPAIR: /* domain, type, protocol, tab */
return do_socketpair(a[0], a[1], a[2], a[3]);
- case SOCKOP_send: /* sockfd, msg, len, flags */
+ case TARGET_SYS_SEND: /* sockfd, msg, len, flags */
return do_sendto(a[0], a[1], a[2], a[3], 0, 0);
- case SOCKOP_recv: /* sockfd, msg, len, flags */
+ case TARGET_SYS_RECV: /* sockfd, msg, len, flags */
return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0);
- case SOCKOP_sendto: /* sockfd, msg, len, flags, addr, addrlen */
+ case TARGET_SYS_SENDTO: /* sockfd, msg, len, flags, addr, addrlen */
return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]);
- case SOCKOP_recvfrom: /* sockfd, msg, len, flags, addr, addrlen */
+ case TARGET_SYS_RECVFROM: /* sockfd, msg, len, flags, addr, addrlen */
return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]);
- case SOCKOP_shutdown: /* sockfd, how */
+ case TARGET_SYS_SHUTDOWN: /* sockfd, how */
return get_errno(shutdown(a[0], a[1]));
- case SOCKOP_sendmsg: /* sockfd, msg, flags */
+ case TARGET_SYS_SETSOCKOPT: /* sockfd, level, optname, optval, optlen */
+ return do_setsockopt(a[0], a[1], a[2], a[3], a[4]);
+ case TARGET_SYS_GETSOCKOPT: /* sockfd, level, optname, optval, optlen */
+ return do_getsockopt(a[0], a[1], a[2], a[3], a[4]);
+ case TARGET_SYS_SENDMSG: /* sockfd, msg, flags */
return do_sendrecvmsg(a[0], a[1], a[2], 1);
- case SOCKOP_recvmsg: /* sockfd, msg, flags */
+ case TARGET_SYS_RECVMSG: /* sockfd, msg, flags */
return do_sendrecvmsg(a[0], a[1], a[2], 0);
- case SOCKOP_sendmmsg: /* sockfd, msgvec, vlen, flags */
- return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 1);
- case SOCKOP_recvmmsg: /* sockfd, msgvec, vlen, flags */
+ case TARGET_SYS_ACCEPT4: /* sockfd, addr, addrlen, flags */
+ return do_accept4(a[0], a[1], a[2], a[3]);
+ case TARGET_SYS_RECVMMSG: /* sockfd, msgvec, vlen, flags */
return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 0);
- case SOCKOP_setsockopt: /* sockfd, level, optname, optval, optlen */
- return do_setsockopt(a[0], a[1], a[2], a[3], a[4]);
- case SOCKOP_getsockopt: /* sockfd, level, optname, optval, optlen */
- return do_getsockopt(a[0], a[1], a[2], a[3], a[4]);
+ case TARGET_SYS_SENDMMSG: /* sockfd, msgvec, vlen, flags */
+ return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 1);
default:
gemu_log("Unsupported socketcall: %d\n", num);
- return -TARGET_ENOSYS;
+ return -TARGET_EINVAL;
}
}
#endif
generated by cgit v1.2.3 (git 2.26.2) at 2025-03-06 05:50:41 +0000