diff options
Diffstat (limited to 'crypto/openssh/serverloop.c')
| -rw-r--r-- | crypto/openssh/serverloop.c | 835 |
1 files changed, 0 insertions, 835 deletions
diff --git a/crypto/openssh/serverloop.c b/crypto/openssh/serverloop.c deleted file mode 100644 index 74a800b9d964..000000000000 --- a/crypto/openssh/serverloop.c +++ /dev/null @@ -1,835 +0,0 @@ -/* - * Author: Tatu Ylonen <ylo@cs.hut.fi> - * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland - * All rights reserved - * Created: Sun Sep 10 00:30:37 1995 ylo - * Server main loop for handling the interactive session. - */ -/* - * SSH2 support by Markus Friedl. - * Copyright (c) 2000 Markus Friedl. All rights reserved. - */ - -#include "includes.h" -#include "xmalloc.h" -#include "ssh.h" -#include "packet.h" -#include "buffer.h" -#include "servconf.h" -#include "pty.h" -#include "channels.h" - -#include "compat.h" -#include "ssh2.h" -#include "session.h" -#include "dispatch.h" - -static Buffer stdin_buffer; /* Buffer for stdin data. */ -static Buffer stdout_buffer; /* Buffer for stdout data. */ -static Buffer stderr_buffer; /* Buffer for stderr data. */ -static int fdin; /* Descriptor for stdin (for writing) */ -static int fdout; /* Descriptor for stdout (for reading); - May be same number as fdin. */ -static int fderr; /* Descriptor for stderr. May be -1. */ -static long stdin_bytes = 0; /* Number of bytes written to stdin. */ -static long stdout_bytes = 0; /* Number of stdout bytes sent to client. */ -static long stderr_bytes = 0; /* Number of stderr bytes sent to client. */ -static long fdout_bytes = 0; /* Number of stdout bytes read from program. */ -static int stdin_eof = 0; /* EOF message received from client. */ -static int fdout_eof = 0; /* EOF encountered reading from fdout. */ -static int fderr_eof = 0; /* EOF encountered readung from fderr. */ -static int connection_in; /* Connection to client (input). */ -static int connection_out; /* Connection to client (output). */ -static unsigned int buffer_high;/* "Soft" max buffer size. */ -static int max_fd; /* Max file descriptor number for select(). */ - -/* - * This SIGCHLD kludge is used to detect when the child exits. The server - * will exit after that, as soon as forwarded connections have terminated. - */ - -static pid_t child_pid; /* Pid of the child. */ -static volatile int child_terminated; /* The child has terminated. */ -static volatile int child_wait_status; /* Status from wait(). */ - -void server_init_dispatch(void); - -void -sigchld_handler(int sig) -{ - int save_errno = errno; - pid_t wait_pid; - - debug("Received SIGCHLD."); - wait_pid = wait((int *) &child_wait_status); - if (wait_pid != -1) { - if (wait_pid != child_pid) - error("Strange, got SIGCHLD and wait returned pid %d but child is %d", - wait_pid, child_pid); - if (WIFEXITED(child_wait_status) || - WIFSIGNALED(child_wait_status)) - child_terminated = 1; - } - signal(SIGCHLD, sigchld_handler); - errno = save_errno; -} -void -sigchld_handler2(int sig) -{ - int save_errno = errno; - debug("Received SIGCHLD."); - child_terminated = 1; - signal(SIGCHLD, sigchld_handler2); - errno = save_errno; -} - -/* - * Make packets from buffered stderr data, and buffer it for sending - * to the client. - */ -void -make_packets_from_stderr_data() -{ - int len; - - /* Send buffered stderr data to the client. */ - while (buffer_len(&stderr_buffer) > 0 && - packet_not_very_much_data_to_write()) { - len = buffer_len(&stderr_buffer); - if (packet_is_interactive()) { - if (len > 512) - len = 512; - } else { - /* Keep the packets at reasonable size. */ - if (len > packet_get_maxsize()) - len = packet_get_maxsize(); - } - packet_start(SSH_SMSG_STDERR_DATA); - packet_put_string(buffer_ptr(&stderr_buffer), len); - packet_send(); - buffer_consume(&stderr_buffer, len); - stderr_bytes += len; - } -} - -/* - * Make packets from buffered stdout data, and buffer it for sending to the - * client. - */ -void -make_packets_from_stdout_data() -{ - int len; - - /* Send buffered stdout data to the client. */ - while (buffer_len(&stdout_buffer) > 0 && - packet_not_very_much_data_to_write()) { - len = buffer_len(&stdout_buffer); - if (packet_is_interactive()) { - if (len > 512) - len = 512; - } else { - /* Keep the packets at reasonable size. */ - if (len > packet_get_maxsize()) - len = packet_get_maxsize(); - } - packet_start(SSH_SMSG_STDOUT_DATA); - packet_put_string(buffer_ptr(&stdout_buffer), len); - packet_send(); - buffer_consume(&stdout_buffer, len); - stdout_bytes += len; - } -} - -/* - * Sleep in select() until we can do something. This will initialize the - * select masks. Upon return, the masks will indicate which descriptors - * have data or can accept data. Optionally, a maximum time can be specified - * for the duration of the wait (0 = infinite). - */ -void -wait_until_can_do_something(fd_set * readset, fd_set * writeset, - unsigned int max_time_milliseconds) -{ - struct timeval tv, *tvp; - int ret; - - /* When select fails we restart from here. */ -retry_select: - - /* Initialize select() masks. */ - FD_ZERO(readset); - FD_ZERO(writeset); - - if (compat20) { - /* wrong: bad condition XXX */ - if (channel_not_very_much_buffered_data()) - FD_SET(connection_in, readset); - } else { - /* - * Read packets from the client unless we have too much - * buffered stdin or channel data. - */ - if (buffer_len(&stdin_buffer) < buffer_high && - channel_not_very_much_buffered_data()) - FD_SET(connection_in, readset); - /* - * If there is not too much data already buffered going to - * the client, try to get some more data from the program. - */ - if (packet_not_very_much_data_to_write()) { - if (!fdout_eof) - FD_SET(fdout, readset); - if (!fderr_eof) - FD_SET(fderr, readset); - } - /* - * If we have buffered data, try to write some of that data - * to the program. - */ - if (fdin != -1 && buffer_len(&stdin_buffer) > 0) - FD_SET(fdin, writeset); - } - /* Set masks for channel descriptors. */ - channel_prepare_select(readset, writeset); - - /* - * If we have buffered packet data going to the client, mark that - * descriptor. - */ - if (packet_have_data_to_write()) - FD_SET(connection_out, writeset); - - /* Update the maximum descriptor number if appropriate. */ - if (channel_max_fd() > max_fd) - max_fd = channel_max_fd(); - - /* - * If child has terminated and there is enough buffer space to read - * from it, then read as much as is available and exit. - */ - if (child_terminated && packet_not_very_much_data_to_write()) - if (max_time_milliseconds == 0) - max_time_milliseconds = 100; - - if (max_time_milliseconds == 0) - tvp = NULL; - else { - tv.tv_sec = max_time_milliseconds / 1000; - tv.tv_usec = 1000 * (max_time_milliseconds % 1000); - tvp = &tv; - } - if (tvp!=NULL) - debug("tvp!=NULL kid %d mili %d", child_terminated, max_time_milliseconds); - - /* Wait for something to happen, or the timeout to expire. */ - ret = select(max_fd + 1, readset, writeset, NULL, tvp); - - if (ret < 0) { - if (errno != EINTR) - error("select: %.100s", strerror(errno)); - else - goto retry_select; - } -} - -/* - * Processes input from the client and the program. Input data is stored - * in buffers and processed later. - */ -void -process_input(fd_set * readset) -{ - int len; - char buf[16384]; - - /* Read and buffer any input data from the client. */ - if (FD_ISSET(connection_in, readset)) { - len = read(connection_in, buf, sizeof(buf)); - if (len == 0) { - verbose("Connection closed by remote host."); - fatal_cleanup(); - } else if (len < 0) { - if (errno != EINTR && errno != EAGAIN) { - verbose("Read error from remote host: %.100s", strerror(errno)); - fatal_cleanup(); - } - } else { - /* Buffer any received data. */ - packet_process_incoming(buf, len); - } - } - if (compat20) - return; - - /* Read and buffer any available stdout data from the program. */ - if (!fdout_eof && FD_ISSET(fdout, readset)) { - len = read(fdout, buf, sizeof(buf)); - if (len < 0 && (errno == EINTR || errno == EAGAIN)) { - /* do nothing */ - } else if (len <= 0) { - fdout_eof = 1; - } else { - buffer_append(&stdout_buffer, buf, len); - fdout_bytes += len; - } - } - /* Read and buffer any available stderr data from the program. */ - if (!fderr_eof && FD_ISSET(fderr, readset)) { - len = read(fderr, buf, sizeof(buf)); - if (len < 0 && (errno == EINTR || errno == EAGAIN)) { - /* do nothing */ - } else if (len <= 0) { - fderr_eof = 1; - } else { - buffer_append(&stderr_buffer, buf, len); - } - } -} - -/* - * Sends data from internal buffers to client program stdin. - */ -void -process_output(fd_set * writeset) -{ - int len; - - /* Write buffered data to program stdin. */ - if (!compat20 && fdin != -1 && FD_ISSET(fdin, writeset)) { - len = write(fdin, buffer_ptr(&stdin_buffer), - buffer_len(&stdin_buffer)); - if (len < 0 && (errno == EINTR || errno == EAGAIN)) { - /* do nothing */ - } else if (len <= 0) { -#ifdef USE_PIPES - close(fdin); -#else - if (fdin != fdout) - close(fdin); - else - shutdown(fdin, SHUT_WR); /* We will no longer send. */ -#endif - fdin = -1; - } else { - /* Successful write. Consume the data from the buffer. */ - buffer_consume(&stdin_buffer, len); - /* Update the count of bytes written to the program. */ - stdin_bytes += len; - } - } - /* Send any buffered packet data to the client. */ - if (FD_ISSET(connection_out, writeset)) - packet_write_poll(); -} - -/* - * Wait until all buffered output has been sent to the client. - * This is used when the program terminates. - */ -void -drain_output() -{ - /* Send any buffered stdout data to the client. */ - if (buffer_len(&stdout_buffer) > 0) { - packet_start(SSH_SMSG_STDOUT_DATA); - packet_put_string(buffer_ptr(&stdout_buffer), - buffer_len(&stdout_buffer)); - packet_send(); - /* Update the count of sent bytes. */ - stdout_bytes += buffer_len(&stdout_buffer); - } - /* Send any buffered stderr data to the client. */ - if (buffer_len(&stderr_buffer) > 0) { - packet_start(SSH_SMSG_STDERR_DATA); - packet_put_string(buffer_ptr(&stderr_buffer), - buffer_len(&stderr_buffer)); - packet_send(); - /* Update the count of sent bytes. */ - stderr_bytes += buffer_len(&stderr_buffer); - } - /* Wait until all buffered data has been written to the client. */ - packet_write_wait(); -} - -void -process_buffered_input_packets() -{ - dispatch_run(DISPATCH_NONBLOCK, NULL); -} - -/* - * Performs the interactive session. This handles data transmission between - * the client and the program. Note that the notion of stdin, stdout, and - * stderr in this function is sort of reversed: this function writes to - * stdin (of the child program), and reads from stdout and stderr (of the - * child program). - */ -void -server_loop(pid_t pid, int fdin_arg, int fdout_arg, int fderr_arg) -{ - fd_set readset, writeset; - int wait_status; /* Status returned by wait(). */ - pid_t wait_pid; /* pid returned by wait(). */ - int waiting_termination = 0; /* Have displayed waiting close message. */ - unsigned int max_time_milliseconds; - unsigned int previous_stdout_buffer_bytes; - unsigned int stdout_buffer_bytes; - int type; - - debug("Entering interactive session."); - - /* Initialize the SIGCHLD kludge. */ - child_pid = pid; - child_terminated = 0; - signal(SIGCHLD, sigchld_handler); - - /* Initialize our global variables. */ - fdin = fdin_arg; - fdout = fdout_arg; - fderr = fderr_arg; - - /* nonblocking IO */ - set_nonblock(fdin); - set_nonblock(fdout); - /* we don't have stderr for interactive terminal sessions, see below */ - if (fderr != -1) - set_nonblock(fderr); - - connection_in = packet_get_connection_in(); - connection_out = packet_get_connection_out(); - - previous_stdout_buffer_bytes = 0; - - /* Set approximate I/O buffer size. */ - if (packet_is_interactive()) - buffer_high = 4096; - else - buffer_high = 64 * 1024; - - /* Initialize max_fd to the maximum of the known file descriptors. */ - max_fd = fdin; - if (fdout > max_fd) - max_fd = fdout; - if (fderr != -1 && fderr > max_fd) - max_fd = fderr; - if (connection_in > max_fd) - max_fd = connection_in; - if (connection_out > max_fd) - max_fd = connection_out; - - /* Initialize Initialize buffers. */ - buffer_init(&stdin_buffer); - buffer_init(&stdout_buffer); - buffer_init(&stderr_buffer); - - /* - * If we have no separate fderr (which is the case when we have a pty - * - there we cannot make difference between data sent to stdout and - * stderr), indicate that we have seen an EOF from stderr. This way - * we don\'t need to check the descriptor everywhere. - */ - if (fderr == -1) - fderr_eof = 1; - - server_init_dispatch(); - - /* Main loop of the server for the interactive session mode. */ - for (;;) { - - /* Process buffered packets from the client. */ - process_buffered_input_packets(); - - /* - * If we have received eof, and there is no more pending - * input data, cause a real eof by closing fdin. - */ - if (stdin_eof && fdin != -1 && buffer_len(&stdin_buffer) == 0) { -#ifdef USE_PIPES - close(fdin); -#else - if (fdin != fdout) - close(fdin); - else - shutdown(fdin, SHUT_WR); /* We will no longer send. */ -#endif - fdin = -1; - } - /* Make packets from buffered stderr data to send to the client. */ - make_packets_from_stderr_data(); - - /* - * Make packets from buffered stdout data to send to the - * client. If there is very little to send, this arranges to - * not send them now, but to wait a short while to see if we - * are getting more data. This is necessary, as some systems - * wake up readers from a pty after each separate character. - */ - max_time_milliseconds = 0; - stdout_buffer_bytes = buffer_len(&stdout_buffer); - if (stdout_buffer_bytes != 0 && stdout_buffer_bytes < 256 && - stdout_buffer_bytes != previous_stdout_buffer_bytes) { - /* try again after a while */ - max_time_milliseconds = 10; - } else { - /* Send it now. */ - make_packets_from_stdout_data(); - } - previous_stdout_buffer_bytes = buffer_len(&stdout_buffer); - - /* Send channel data to the client. */ - if (packet_not_very_much_data_to_write()) - channel_output_poll(); - - /* - * Bail out of the loop if the program has closed its output - * descriptors, and we have no more data to send to the - * client, and there is no pending buffered data. - */ - if (fdout_eof && fderr_eof && !packet_have_data_to_write() && - buffer_len(&stdout_buffer) == 0 && buffer_len(&stderr_buffer) == 0) { - if (!channel_still_open()) - break; - if (!waiting_termination) { - const char *s = "Waiting for forwarded connections to terminate...\r\n"; - char *cp; - waiting_termination = 1; - buffer_append(&stderr_buffer, s, strlen(s)); - - /* Display list of open channels. */ - cp = channel_open_message(); - buffer_append(&stderr_buffer, cp, strlen(cp)); - xfree(cp); - } - } - /* Sleep in select() until we can do something. */ - wait_until_can_do_something(&readset, &writeset, - max_time_milliseconds); - - /* Process any channel events. */ - channel_after_select(&readset, &writeset); - - /* Process input from the client and from program stdout/stderr. */ - process_input(&readset); - - /* Process output to the client and to program stdin. */ - process_output(&writeset); - } - - /* Cleanup and termination code. */ - - /* Wait until all output has been sent to the client. */ - drain_output(); - - debug("End of interactive session; stdin %ld, stdout (read %ld, sent %ld), stderr %ld bytes.", - stdin_bytes, fdout_bytes, stdout_bytes, stderr_bytes); - - /* Free and clear the buffers. */ - buffer_free(&stdin_buffer); - buffer_free(&stdout_buffer); - buffer_free(&stderr_buffer); - - /* Close the file descriptors. */ - if (fdout != -1) - close(fdout); - fdout = -1; - fdout_eof = 1; - if (fderr != -1) - close(fderr); - fderr = -1; - fderr_eof = 1; - if (fdin != -1) - close(fdin); - fdin = -1; - - /* Stop listening for channels; this removes unix domain sockets. */ - channel_stop_listening(); - - /* Wait for the child to exit. Get its exit status. */ - wait_pid = wait(&wait_status); - if (wait_pid < 0) { - /* - * It is possible that the wait was handled by SIGCHLD - * handler. This may result in either: this call - * returning with EINTR, or: this call returning ECHILD. - */ - if (child_terminated) - wait_status = child_wait_status; - else - packet_disconnect("wait: %.100s", strerror(errno)); - } else { - /* Check if it matches the process we forked. */ - if (wait_pid != pid) - error("Strange, wait returned pid %d, expected %d", - wait_pid, pid); - } - - /* We no longer want our SIGCHLD handler to be called. */ - signal(SIGCHLD, SIG_DFL); - - /* Check if it exited normally. */ - if (WIFEXITED(wait_status)) { - /* Yes, normal exit. Get exit status and send it to the client. */ - debug("Command exited with status %d.", WEXITSTATUS(wait_status)); - packet_start(SSH_SMSG_EXITSTATUS); - packet_put_int(WEXITSTATUS(wait_status)); - packet_send(); - packet_write_wait(); - - /* - * Wait for exit confirmation. Note that there might be - * other packets coming before it; however, the program has - * already died so we just ignore them. The client is - * supposed to respond with the confirmation when it receives - * the exit status. - */ - do { - int plen; - type = packet_read(&plen); - } - while (type != SSH_CMSG_EXIT_CONFIRMATION); - - debug("Received exit confirmation."); - return; - } - /* Check if the program terminated due to a signal. */ - if (WIFSIGNALED(wait_status)) - packet_disconnect("Command terminated on signal %d.", - WTERMSIG(wait_status)); - - /* Some weird exit cause. Just exit. */ - packet_disconnect("wait returned status %04x.", wait_status); - /* NOTREACHED */ -} - -void -server_loop2(void) -{ - fd_set readset, writeset; - int had_channel = 0; - int status; - pid_t pid; - - debug("Entering interactive session for SSH2."); - - signal(SIGCHLD, sigchld_handler2); - child_terminated = 0; - connection_in = packet_get_connection_in(); - connection_out = packet_get_connection_out(); - max_fd = connection_in; - if (connection_out > max_fd) - max_fd = connection_out; - server_init_dispatch(); - - for (;;) { - process_buffered_input_packets(); - if (!had_channel && channel_still_open()) - had_channel = 1; - if (had_channel && !channel_still_open()) { - debug("!channel_still_open."); - break; - } - if (packet_not_very_much_data_to_write()) - channel_output_poll(); - wait_until_can_do_something(&readset, &writeset, 0); - if (child_terminated) { - while ((pid = waitpid(-1, &status, WNOHANG)) > 0) - session_close_by_pid(pid, status); - child_terminated = 0; - } - channel_after_select(&readset, &writeset); - process_input(&readset); - process_output(&writeset); - } - signal(SIGCHLD, SIG_DFL); - while ((pid = waitpid(-1, &status, WNOHANG)) > 0) - session_close_by_pid(pid, status); - channel_stop_listening(); -} - -void -server_input_stdin_data(int type, int plen) -{ - char *data; - unsigned int data_len; - - /* Stdin data from the client. Append it to the buffer. */ - /* Ignore any data if the client has closed stdin. */ - if (fdin == -1) - return; - data = packet_get_string(&data_len); - packet_integrity_check(plen, (4 + data_len), type); - buffer_append(&stdin_buffer, data, data_len); - memset(data, 0, data_len); - xfree(data); -} - -void -server_input_eof(int type, int plen) -{ - /* - * Eof from the client. The stdin descriptor to the - * program will be closed when all buffered data has - * drained. - */ - debug("EOF received for stdin."); - packet_integrity_check(plen, 0, type); - stdin_eof = 1; -} - -void -server_input_window_size(int type, int plen) -{ - int row = packet_get_int(); - int col = packet_get_int(); - int xpixel = packet_get_int(); - int ypixel = packet_get_int(); - - debug("Window change received."); - packet_integrity_check(plen, 4 * 4, type); - if (fdin != -1) - pty_change_window_size(fdin, row, col, xpixel, ypixel); -} - -int -input_direct_tcpip(void) -{ - int sock; - char *target, *originator; - int target_port, originator_port; - - target = packet_get_string(NULL); - target_port = packet_get_int(); - originator = packet_get_string(NULL); - originator_port = packet_get_int(); - packet_done(); - - debug("open direct-tcpip: from %s port %d to %s port %d", - originator, originator_port, target, target_port); - /* XXX check permission */ - sock = channel_connect_to(target, target_port); - xfree(target); - xfree(originator); - if (sock < 0) - return -1; - return channel_new("direct-tcpip", SSH_CHANNEL_OPEN, - sock, sock, -1, 4*1024, 32*1024, 0, xstrdup("direct-tcpip")); -} - -void -server_input_channel_open(int type, int plen) -{ - Channel *c = NULL; - char *ctype; - int id; - unsigned int len; - int rchan; - int rmaxpack; - int rwindow; - - ctype = packet_get_string(&len); - rchan = packet_get_int(); - rwindow = packet_get_int(); - rmaxpack = packet_get_int(); - - debug("channel_input_open: ctype %s rchan %d win %d max %d", - ctype, rchan, rwindow, rmaxpack); - - if (strcmp(ctype, "session") == 0) { - debug("open session"); - packet_done(); - /* - * A server session has no fd to read or write - * until a CHANNEL_REQUEST for a shell is made, - * so we set the type to SSH_CHANNEL_LARVAL. - * Additionally, a callback for handling all - * CHANNEL_REQUEST messages is registered. - */ - id = channel_new(ctype, SSH_CHANNEL_LARVAL, - -1, -1, -1, 0, 32*1024, 0, xstrdup("server-session")); - if (session_open(id) == 1) { - channel_register_callback(id, SSH2_MSG_CHANNEL_REQUEST, - session_input_channel_req, (void *)0); - channel_register_cleanup(id, session_close_by_channel); - c = channel_lookup(id); - } else { - debug("session open failed, free channel %d", id); - channel_free(id); - } - } else if (strcmp(ctype, "direct-tcpip") == 0) { - id = input_direct_tcpip(); - if (id >= 0) - c = channel_lookup(id); - } - if (c != NULL) { - debug("confirm %s", ctype); - c->remote_id = rchan; - c->remote_window = rwindow; - c->remote_maxpacket = rmaxpack; - - packet_start(SSH2_MSG_CHANNEL_OPEN_CONFIRMATION); - packet_put_int(c->remote_id); - packet_put_int(c->self); - packet_put_int(c->local_window); - packet_put_int(c->local_maxpacket); - packet_send(); - } else { - debug("failure %s", ctype); - packet_start(SSH2_MSG_CHANNEL_OPEN_FAILURE); - packet_put_int(rchan); - packet_put_int(SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED); - packet_put_cstring("bla bla"); - packet_put_cstring(""); - packet_send(); - } - xfree(ctype); -} - -void -server_init_dispatch_20() -{ - debug("server_init_dispatch_20"); - dispatch_init(&dispatch_protocol_error); - dispatch_set(SSH2_MSG_CHANNEL_CLOSE, &channel_input_oclose); - dispatch_set(SSH2_MSG_CHANNEL_DATA, &channel_input_data); - dispatch_set(SSH2_MSG_CHANNEL_EOF, &channel_input_ieof); - dispatch_set(SSH2_MSG_CHANNEL_EXTENDED_DATA, &channel_input_extended_data); - dispatch_set(SSH2_MSG_CHANNEL_OPEN, &server_input_channel_open); - dispatch_set(SSH2_MSG_CHANNEL_OPEN_CONFIRMATION, &channel_input_open_confirmation); - dispatch_set(SSH2_MSG_CHANNEL_OPEN_FAILURE, &channel_input_open_failure); - dispatch_set(SSH2_MSG_CHANNEL_REQUEST, &channel_input_channel_request); - dispatch_set(SSH2_MSG_CHANNEL_WINDOW_ADJUST, &channel_input_window_adjust); -} -void -server_init_dispatch_13() -{ - debug("server_init_dispatch_13"); - dispatch_init(NULL); - dispatch_set(SSH_CMSG_EOF, &server_input_eof); - dispatch_set(SSH_CMSG_STDIN_DATA, &server_input_stdin_data); - dispatch_set(SSH_CMSG_WINDOW_SIZE, &server_input_window_size); - dispatch_set(SSH_MSG_CHANNEL_CLOSE, &channel_input_close); - dispatch_set(SSH_MSG_CHANNEL_CLOSE_CONFIRMATION, &channel_input_close_confirmation); - dispatch_set(SSH_MSG_CHANNEL_DATA, &channel_input_data); - dispatch_set(SSH_MSG_CHANNEL_OPEN_CONFIRMATION, &channel_input_open_confirmation); - dispatch_set(SSH_MSG_CHANNEL_OPEN_FAILURE, &channel_input_open_failure); - dispatch_set(SSH_MSG_PORT_OPEN, &channel_input_port_open); -} -void -server_init_dispatch_15() -{ - server_init_dispatch_13(); - debug("server_init_dispatch_15"); - dispatch_set(SSH_MSG_CHANNEL_CLOSE, &channel_input_ieof); - dispatch_set(SSH_MSG_CHANNEL_CLOSE_CONFIRMATION, &channel_input_oclose); -} -void -server_init_dispatch() -{ - if (compat20) - server_init_dispatch_20(); - else if (compat13) - server_init_dispatch_13(); - else - server_init_dispatch_15(); -} |