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sock: sock_copy_addr_to_user

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Matheus
2026-07-05 16:16:05 -03:00
parent 4699055cee
commit 7f8fd07f39
6 changed files with 67 additions and 33 deletions
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kernel-src/sys/syscalls/accept.c
+13 -7
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@@ -69,14 +69,20 @@ syscallret_t syscall_accept(context_t *, int oldfd, abisockaddr_t *abisockaddr,
newfile->offset = 0;
newfile->mode = 0777;
abisockaddr_t tmpabiaddr;
__assert(sock_addrtoabiaddr(client->type, &addr, &tmpabiaddr) == 0);
addrlen = min(addrlen, sizeof(abisockaddr_t));
if (abisockaddr != NULL) {
socklen_t actual_len;
ret.errno = sock_copy_addr_to_user(client->type, &addr, abisockaddr, addrlen, &actual_len);
if (ret.errno) {
fd_close(newfd);
goto cleanup;
}
if (abisockaddr != NULL && (usercopy_touser(abisockaddr, &tmpabiaddr, addrlen) || usercopy_touser(uaddrlen, &addrlen, sizeof(addrlen)))) {
ret.errno = EFAULT;
fd_close(newfd);
goto cleanup;
addrlen = actual_len;
ret.errno = usercopy_touser(uaddrlen, &addrlen, sizeof(addrlen));
if (ret.errno) {
fd_close(newfd);
goto cleanup;
}
}
ret.ret = newfd;