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libc: free resources on socket creation failure

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Issue #3766
This commit is contained in:
Christian Helmuth 2020-07-30 09:19:00 +02:00 committed by Norman Feske
parent 5a2ac73b69
commit d266f44ef3
1 changed files with 14 additions and 7 deletions
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21
repos/libports/src/lib/libc/socket_fs_plugin.cc
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@ -563,7 +563,20 @@ extern "C" int socket_fs_accept(int libc_fd, sockaddr *addr, socklen_t *addrlen)
Libc::Allocator alloc { };
accept_context = new (alloc)
Socket_fs::Context(listen_context->proto(), handle_fd);
} catch (New_socket_failed) { return Errno(EACCES); }
} catch (New_socket_failed) {
close(handle_fd);
return Errno(EACCES);
}
if (addr && addrlen) {
Socket_fs::Remote_functor func(*accept_context, false);
int ret = read_sockaddr_in(func, (sockaddr_in *)addr, addrlen);
if (ret == -1) {
Libc::Allocator alloc { };
destroy(alloc, accept_context);
return ret;
}
}
File_descriptor *accept_fd =
file_descriptor_allocator()->alloc(&plugin(), accept_context);
@ -571,12 +584,6 @@ extern "C" int socket_fs_accept(int libc_fd, sockaddr *addr, socklen_t *addrlen)
/* inherit the O_NONBLOCK flag if set */
accept_context->fd_flags(listen_context->fd_flags());
if (addr && addrlen) {
Socket_fs::Remote_functor func(*accept_context, false);
int ret = read_sockaddr_in(func, (sockaddr_in *)addr, addrlen);
if (ret == -1) return ret;
}
return accept_fd->libc_fd;
}