aboutsummaryrefslogtreecommitdiff
path: root/slirp/src/misc.c
diff options
context:
space:
mode:
Diffstat (limited to 'slirp/src/misc.c')
m---------slirp0
-rw-r--r--slirp/src/misc.c321
2 files changed, 0 insertions, 321 deletions
diff --git a/slirp b/slirp
new file mode 160000
+Subproject 59a1b1f165458c2acb7ff0525b543945f741622
diff --git a/slirp/src/misc.c b/slirp/src/misc.c
deleted file mode 100644
index 7c5db0e0aa..0000000000
--- a/slirp/src/misc.c
+++ /dev/null
@@ -1,321 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause */
-/*
- * Copyright (c) 1995 Danny Gasparovski.
- */
-
-#include "slirp.h"
-
-inline void
-insque(void *a, void *b)
-{
- register struct quehead *element = (struct quehead *) a;
- register struct quehead *head = (struct quehead *) b;
- element->qh_link = head->qh_link;
- head->qh_link = (struct quehead *)element;
- element->qh_rlink = (struct quehead *)head;
- ((struct quehead *)(element->qh_link))->qh_rlink
- = (struct quehead *)element;
-}
-
-inline void
-remque(void *a)
-{
- register struct quehead *element = (struct quehead *) a;
- ((struct quehead *)(element->qh_link))->qh_rlink = element->qh_rlink;
- ((struct quehead *)(element->qh_rlink))->qh_link = element->qh_link;
- element->qh_rlink = NULL;
-}
-
-/* TODO: IPv6 */
-struct gfwd_list *
-add_guestfwd(struct gfwd_list **ex_ptr,
- SlirpWriteCb write_cb, void *opaque,
- struct in_addr addr, int port)
-{
- struct gfwd_list *f = g_new0(struct gfwd_list, 1);
-
- f->write_cb = write_cb;
- f->opaque = opaque;
- f->ex_fport = port;
- f->ex_addr = addr;
- f->ex_next = *ex_ptr;
- *ex_ptr = f;
-
- return f;
-}
-
-struct gfwd_list *
-add_exec(struct gfwd_list **ex_ptr, const char *cmdline,
- struct in_addr addr, int port)
-{
- struct gfwd_list *f = add_guestfwd(ex_ptr, NULL, NULL, addr, port);
-
- f->ex_exec = g_strdup(cmdline);
-
- return f;
-}
-
-static int
-slirp_socketpair_with_oob(int sv[2])
-{
- struct sockaddr_in addr = {
- .sin_family = AF_INET,
- .sin_port = 0,
- .sin_addr.s_addr = INADDR_ANY,
- };
- socklen_t addrlen = sizeof(addr);
- int ret, s;
-
- sv[1] = -1;
- s = slirp_socket(AF_INET, SOCK_STREAM, 0);
- if (s < 0 || bind(s, (struct sockaddr *)&addr, addrlen) < 0 ||
- listen(s, 1) < 0 ||
- getsockname(s, (struct sockaddr *)&addr, &addrlen) < 0) {
- goto err;
- }
-
- sv[1] = slirp_socket(AF_INET, SOCK_STREAM, 0);
- if (sv[1] < 0) {
- goto err;
- }
- /*
- * This connect won't block because we've already listen()ed on
- * the server end (even though we won't accept() the connection
- * until later on).
- */
- do {
- ret = connect(sv[1], (struct sockaddr *)&addr, addrlen);
- } while (ret < 0 && errno == EINTR);
- if (ret < 0) {
- goto err;
- }
-
- do {
- sv[0] = accept(s, (struct sockaddr *)&addr, &addrlen);
- } while (sv[0] < 0 && errno == EINTR);
- if (sv[0] < 0) {
- goto err;
- }
-
- closesocket(s);
- return 0;
-
-err:
- g_critical("slirp_socketpair(): %s", strerror(errno));
- if (s >= 0) {
- closesocket(s);
- }
- if (sv[1] >= 0) {
- closesocket(sv[1]);
- }
- return -1;
-}
-
-static void
-fork_exec_child_setup(gpointer data)
-{
-#ifndef _WIN32
- setsid();
-#endif
-}
-
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-
-#if !GLIB_CHECK_VERSION(2, 58, 0)
-typedef struct SlirpGSpawnFds {
- GSpawnChildSetupFunc child_setup;
- gpointer user_data;
- gint stdin_fd;
- gint stdout_fd;
- gint stderr_fd;
-} SlirpGSpawnFds;
-
-static inline void
-slirp_gspawn_fds_setup(gpointer user_data)
-{
- SlirpGSpawnFds *q = (SlirpGSpawnFds *)user_data;
-
- dup2(q->stdin_fd, 0);
- dup2(q->stdout_fd, 1);
- dup2(q->stderr_fd, 2);
- q->child_setup(q->user_data);
-}
-#endif
-
-static inline gboolean
-g_spawn_async_with_fds_slirp(const gchar *working_directory,
- gchar **argv,
- gchar **envp,
- GSpawnFlags flags,
- GSpawnChildSetupFunc child_setup,
- gpointer user_data,
- GPid *child_pid,
- gint stdin_fd,
- gint stdout_fd,
- gint stderr_fd,
- GError **error)
-{
-#if GLIB_CHECK_VERSION(2, 58, 0)
- return g_spawn_async_with_fds(working_directory, argv, envp, flags,
- child_setup, user_data,
- child_pid, stdin_fd, stdout_fd, stderr_fd,
- error);
-#else
- SlirpGSpawnFds setup = {
- .child_setup = child_setup,
- .user_data = user_data,
- .stdin_fd = stdin_fd,
- .stdout_fd = stdout_fd,
- .stderr_fd = stderr_fd,
- };
-
- return g_spawn_async(working_directory, argv, envp, flags,
- slirp_gspawn_fds_setup, &setup,
- child_pid, error);
-#endif
-}
-
-#define g_spawn_async_with_fds(wd, argv, env, f, c, d, p, ifd, ofd, efd, err) \
- g_spawn_async_with_fds_slirp(wd, argv, env, f, c, d, p, ifd, ofd, efd, err)
-
-#pragma GCC diagnostic pop
-
-int
-fork_exec(struct socket *so, const char *ex)
-{
- GError *err = NULL;
- char **argv;
- int opt, sp[2];
-
- DEBUG_CALL("fork_exec");
- DEBUG_ARG("so = %p", so);
- DEBUG_ARG("ex = %p", ex);
-
- if (slirp_socketpair_with_oob(sp) < 0) {
- return 0;
- }
-
- argv = g_strsplit(ex, " ", -1);
- g_spawn_async_with_fds(NULL /* cwd */,
- argv,
- NULL /* env */,
- G_SPAWN_SEARCH_PATH,
- fork_exec_child_setup, NULL /* data */,
- NULL /* child_pid */,
- sp[1], sp[1], sp[1],
- &err);
- g_strfreev(argv);
-
- if (err) {
- g_critical("fork_exec: %s", err->message);
- g_error_free(err);
- closesocket(sp[0]);
- closesocket(sp[1]);
- return 0;
- }
-
- so->s = sp[0];
- closesocket(sp[1]);
- slirp_socket_set_fast_reuse(so->s);
- opt = 1;
- setsockopt(so->s, SOL_SOCKET, SO_OOBINLINE, &opt, sizeof(int));
- slirp_set_nonblock(so->s);
- so->slirp->cb->register_poll_fd(so->s, so->slirp->opaque);
- return 1;
-}
-
-char *slirp_connection_info(Slirp *slirp)
-{
- GString *str = g_string_new(NULL);
- const char * const tcpstates[] = {
- [TCPS_CLOSED] = "CLOSED",
- [TCPS_LISTEN] = "LISTEN",
- [TCPS_SYN_SENT] = "SYN_SENT",
- [TCPS_SYN_RECEIVED] = "SYN_RCVD",
- [TCPS_ESTABLISHED] = "ESTABLISHED",
- [TCPS_CLOSE_WAIT] = "CLOSE_WAIT",
- [TCPS_FIN_WAIT_1] = "FIN_WAIT_1",
- [TCPS_CLOSING] = "CLOSING",
- [TCPS_LAST_ACK] = "LAST_ACK",
- [TCPS_FIN_WAIT_2] = "FIN_WAIT_2",
- [TCPS_TIME_WAIT] = "TIME_WAIT",
- };
- struct in_addr dst_addr;
- struct sockaddr_in src;
- socklen_t src_len;
- uint16_t dst_port;
- struct socket *so;
- const char *state;
- char buf[20];
-
- g_string_append_printf(str,
- " Protocol[State] FD Source Address Port "
- "Dest. Address Port RecvQ SendQ\n");
-
- /* TODO: IPv6 */
-
- for (so = slirp->tcb.so_next; so != &slirp->tcb; so = so->so_next) {
- if (so->so_state & SS_HOSTFWD) {
- state = "HOST_FORWARD";
- } else if (so->so_tcpcb) {
- state = tcpstates[so->so_tcpcb->t_state];
- } else {
- state = "NONE";
- }
- if (so->so_state & (SS_HOSTFWD | SS_INCOMING)) {
- src_len = sizeof(src);
- getsockname(so->s, (struct sockaddr *)&src, &src_len);
- dst_addr = so->so_laddr;
- dst_port = so->so_lport;
- } else {
- src.sin_addr = so->so_laddr;
- src.sin_port = so->so_lport;
- dst_addr = so->so_faddr;
- dst_port = so->so_fport;
- }
- snprintf(buf, sizeof(buf), " TCP[%s]", state);
- g_string_append_printf(str, "%-19s %3d %15s %5d ", buf, so->s,
- src.sin_addr.s_addr ? inet_ntoa(src.sin_addr) : "*",
- ntohs(src.sin_port));
- g_string_append_printf(str, "%15s %5d %5d %5d\n",
- inet_ntoa(dst_addr), ntohs(dst_port),
- so->so_rcv.sb_cc, so->so_snd.sb_cc);
- }
-
- for (so = slirp->udb.so_next; so != &slirp->udb; so = so->so_next) {
- if (so->so_state & SS_HOSTFWD) {
- snprintf(buf, sizeof(buf), " UDP[HOST_FORWARD]");
- src_len = sizeof(src);
- getsockname(so->s, (struct sockaddr *)&src, &src_len);
- dst_addr = so->so_laddr;
- dst_port = so->so_lport;
- } else {
- snprintf(buf, sizeof(buf), " UDP[%d sec]",
- (so->so_expire - curtime) / 1000);
- src.sin_addr = so->so_laddr;
- src.sin_port = so->so_lport;
- dst_addr = so->so_faddr;
- dst_port = so->so_fport;
- }
- g_string_append_printf(str, "%-19s %3d %15s %5d ", buf, so->s,
- src.sin_addr.s_addr ? inet_ntoa(src.sin_addr) : "*",
- ntohs(src.sin_port));
- g_string_append_printf(str, "%15s %5d %5d %5d\n",
- inet_ntoa(dst_addr), ntohs(dst_port),
- so->so_rcv.sb_cc, so->so_snd.sb_cc);
- }
-
- for (so = slirp->icmp.so_next; so != &slirp->icmp; so = so->so_next) {
- snprintf(buf, sizeof(buf), " ICMP[%d sec]",
- (so->so_expire - curtime) / 1000);
- src.sin_addr = so->so_laddr;
- dst_addr = so->so_faddr;
- g_string_append_printf(str, "%-19s %3d %15s - ", buf, so->s,
- src.sin_addr.s_addr ? inet_ntoa(src.sin_addr) : "*");
- g_string_append_printf(str, "%15s - %5d %5d\n", inet_ntoa(dst_addr),
- so->so_rcv.sb_cc, so->so_snd.sb_cc);
- }
-
- return g_string_free(str, FALSE);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-27 15:37:17 +0000