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sock: MSG_PEEK and other fixes

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Matheus
2024-06-03 21:53:46 -03:00
parent 7d95b6e00d
commit 40d8a05062
9 changed files with 54 additions and 21 deletions
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kernel-src/sys/syscalls/recvmsg.c
+9 -3
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@@ -6,9 +6,13 @@
#include <kernel/file.h>
#include <kernel/alloc.h>
#define KNOWN_FLAGS (MSG_PEEK)
syscallret_t syscall_recvmsg(context_t *, int fd, msghdr_t *umsghdr, int flags) {
__assert(flags == 0);
syscallret_t ret;
__assert((flags & ~KNOWN_FLAGS) == 0);
syscallret_t ret = {
.ret = -1
};
msghdr_t msghdr;
ret.errno = sock_copymsghdr(&msghdr, umsghdr);
@@ -37,8 +41,10 @@ syscallret_t syscall_recvmsg(context_t *, int fd, msghdr_t *umsghdr, int flags)
sockaddr_t sockaddr;
socket_t *socket = SOCKFS_SOCKET_FROM_NODE(file->vnode);
size_t recvcount;
ret.errno = socket->ops->recv(socket, &sockaddr, buffer, buffersize, fileflagstovnodeflags(file->flags), &recvcount);
ret.errno = socket->ops->recv(socket, &sockaddr, buffer, buffersize, fileflagstovnodeflags(file->flags) | ((flags & MSG_PEEK) ? SOCKET_RECV_FLAGS_PEEK : 0), &recvcount);
ret.ret = ret.errno ? -1 : recvcount;
if (ret.errno)
goto cleanup;
uintmax_t iovoffset = 0;
for (int i = 0; i < msghdr.iovcount; ++i) {