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https://github.com/tmux/tmux.git
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Similar changes for server_msg_dispatch: use a switch instead of a lookup table
and merge smaller functions inline.
This commit is contained in:
Nicholas Marriott
parent
5f13bb0c3a
commit
9f1dd4d0af
239
server-msg.c
239
server-msg.c
@ -26,39 +26,22 @@
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#include "tmux.h"
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void server_msg_fn_command(struct hdr *, struct client *);
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void server_msg_fn_identify(struct hdr *, struct client *);
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void server_msg_fn_resize(struct hdr *, struct client *);
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void server_msg_fn_exiting(struct hdr *, struct client *);
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void server_msg_fn_unlock(struct hdr *, struct client *);
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void server_msg_fn_wakeup(struct hdr *, struct client *);
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void server_msg_command(struct client *, struct msg_command_data *);
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void server_msg_identify(struct client *, struct msg_identify_data *);
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void server_msg_resize(struct client *, struct msg_resize_data *);
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void printflike2 server_msg_fn_command_error(
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struct cmd_ctx *, const char *, ...);
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void printflike2 server_msg_fn_command_print(
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struct cmd_ctx *, const char *, ...);
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void printflike2 server_msg_fn_command_info(
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struct cmd_ctx *, const char *, ...);
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struct server_msg {
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enum msgtype type;
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void (*fn)(struct hdr *, struct client *);
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};
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const struct server_msg server_msg_table[] = {
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{ MSG_IDENTIFY, server_msg_fn_identify },
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{ MSG_COMMAND, server_msg_fn_command },
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{ MSG_RESIZE, server_msg_fn_resize },
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{ MSG_EXITING, server_msg_fn_exiting },
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{ MSG_UNLOCK, server_msg_fn_unlock },
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{ MSG_WAKEUP, server_msg_fn_wakeup },
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};
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void printflike2 server_msg_command_error(struct cmd_ctx *, const char *, ...);
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void printflike2 server_msg_command_print(struct cmd_ctx *, const char *, ...);
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void printflike2 server_msg_command_info(struct cmd_ctx *, const char *, ...);
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int
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server_msg_dispatch(struct client *c)
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{
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struct hdr hdr;
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const struct server_msg *msg;
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u_int i;
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struct msg_command_data commanddata;
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struct msg_identify_data identifydata;
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struct msg_resize_data resizedata;
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struct msg_unlock_data unlockdata;
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for (;;) {
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if (BUFFER_USED(c->in) < sizeof hdr)
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@ -68,20 +51,63 @@ server_msg_dispatch(struct client *c)
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return (0);
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buffer_remove(c->in, sizeof hdr);
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for (i = 0; i < nitems(server_msg_table); i++) {
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msg = server_msg_table + i;
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if (msg->type == hdr.type) {
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msg->fn(&hdr, c);
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break;
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}
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}
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if (i == nitems(server_msg_table))
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switch (hdr.type) {
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case MSG_COMMAND:
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if (hdr.size != sizeof commanddata)
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fatalx("bad MSG_COMMAND size");
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buffer_read(c->in, &commanddata, sizeof commanddata);
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server_msg_command(c, &commanddata);
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break;
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case MSG_IDENTIFY:
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if (hdr.size != sizeof identifydata)
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fatalx("bad MSG_IDENTIFY size");
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buffer_read(c->in, &identifydata, sizeof identifydata);
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server_msg_identify(c, &identifydata);
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break;
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case MSG_RESIZE:
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if (hdr.size != sizeof resizedata)
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fatalx("bad MSG_RESIZE size");
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buffer_read(c->in, &resizedata, sizeof resizedata);
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server_msg_resize(c, &resizedata);
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break;
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case MSG_EXITING:
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if (hdr.size != 0)
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fatalx("bad MSG_EXITING size");
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c->session = NULL;
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tty_close(&c->tty, c->flags & CLIENT_SUSPENDED);
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server_write_client(c, MSG_EXITED, NULL, 0);
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break;
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case MSG_UNLOCK:
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if (hdr.size != sizeof unlockdata)
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fatalx("bad MSG_UNLOCK size");
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buffer_read(c->in, &unlockdata, sizeof unlockdata);
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unlockdata.pass[(sizeof unlockdata.pass) - 1] = '\0';
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if (server_unlock(unlockdata.pass) != 0)
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server_write_error(c, "bad password");
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memset(&unlockdata, 0, sizeof unlockdata);
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server_write_client(c, MSG_EXIT, NULL, 0);
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break;
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case MSG_WAKEUP:
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if (hdr.size != 0)
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fatalx("bad MSG_WAKEUP size");
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c->flags &= ~CLIENT_SUSPENDED;
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tty_start_tty(&c->tty);
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server_redraw_client(c);
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break;
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default:
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fatalx("unexpected message");
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}
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}
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}
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void printflike2
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server_msg_fn_command_error(struct cmd_ctx *ctx, const char *fmt, ...)
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server_msg_command_error(struct cmd_ctx *ctx, const char *fmt, ...)
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{
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struct msg_print_data data;
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va_list ap;
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@ -94,7 +120,7 @@ server_msg_fn_command_error(struct cmd_ctx *ctx, const char *fmt, ...)
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}
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void printflike2
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server_msg_fn_command_print(struct cmd_ctx *ctx, const char *fmt, ...)
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server_msg_command_print(struct cmd_ctx *ctx, const char *fmt, ...)
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{
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struct msg_print_data data;
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va_list ap;
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@ -107,7 +133,7 @@ server_msg_fn_command_print(struct cmd_ctx *ctx, const char *fmt, ...)
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}
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void printflike2
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server_msg_fn_command_info(struct cmd_ctx *ctx, const char *fmt, ...)
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server_msg_command_info(struct cmd_ctx *ctx, const char *fmt, ...)
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{
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struct msg_print_data data;
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va_list ap;
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@ -123,35 +149,30 @@ server_msg_fn_command_info(struct cmd_ctx *ctx, const char *fmt, ...)
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}
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void
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server_msg_fn_command(struct hdr *hdr, struct client *c)
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server_msg_command(struct client *c, struct msg_command_data *data)
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{
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struct msg_command_data data;
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struct cmd_ctx ctx;
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struct cmd_list *cmdlist = NULL;
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struct cmd *cmd;
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int argc;
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char **argv, *cause;
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if (hdr->size < sizeof data)
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fatalx("bad MSG_COMMAND size");
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buffer_read(c->in, &data, sizeof data);
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struct cmd_ctx ctx;
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struct cmd_list *cmdlist = NULL;
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struct cmd *cmd;
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int argc;
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char **argv, *cause;
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server_activity = time(NULL);
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ctx.error = server_msg_fn_command_error;
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ctx.print = server_msg_fn_command_print;
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ctx.info = server_msg_fn_command_info;
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ctx.error = server_msg_command_error;
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ctx.print = server_msg_command_print;
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ctx.info = server_msg_command_info;
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ctx.msgdata = &data;
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ctx.msgdata = data;
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ctx.curclient = NULL;
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ctx.cursession = NULL;
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ctx.cmdclient = c;
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argc = data.argc;
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data.argv[(sizeof data.argv) - 1] = '\0';
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if (cmd_unpack_argv(data.argv, sizeof data.argv, argc, &argv) != 0) {
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server_msg_fn_command_error(&ctx, "command too long");
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argc = data->argc;
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data->argv[(sizeof data->argv) - 1] = '\0';
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if (cmd_unpack_argv(data->argv, sizeof data->argv, argc, &argv) != 0) {
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server_msg_command_error(&ctx, "command too long");
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goto error;
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}
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@ -162,16 +183,16 @@ server_msg_fn_command(struct hdr *hdr, struct client *c)
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}
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if ((cmdlist = cmd_list_parse(argc, argv, &cause)) == NULL) {
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server_msg_fn_command_error(&ctx, "%s", cause);
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server_msg_command_error(&ctx, "%s", cause);
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cmd_free_argv(argc, argv);
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goto error;
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}
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cmd_free_argv(argc, argv);
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if (data.pid != -1) {
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if (data->pid != -1) {
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TAILQ_FOREACH(cmd, cmdlist, qentry) {
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if (cmd->entry->flags & CMD_CANTNEST) {
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server_msg_fn_command_error(&ctx,
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server_msg_command_error(&ctx,
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"sessions should be nested with care. "
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"unset $TMUX to force");
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goto error;
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@ -191,60 +212,43 @@ error:
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}
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void
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server_msg_fn_identify(struct hdr *hdr, struct client *c)
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server_msg_identify(struct client *c, struct msg_identify_data *data)
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{
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struct msg_identify_data data;
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if (hdr->size < sizeof data)
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fatalx("bad MSG_IDENTIFY size");
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buffer_read(c->in, &data, sizeof data);
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log_debug("identify msg from client: %u,%u (%d)",
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data.sx, data.sy, data.version);
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if (data.version != PROTOCOL_VERSION) {
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if (data->version != PROTOCOL_VERSION) {
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server_write_error(c, "protocol version mismatch");
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return;
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}
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c->tty.sx = data.sx;
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c->tty.sy = data.sy;
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c->tty.sx = data->sx;
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c->tty.sy = data->sy;
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c->cwd = NULL;
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data.cwd[(sizeof data.cwd) - 1] = '\0';
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if (*data.cwd != '\0')
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c->cwd = xstrdup(data.cwd);
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data->cwd[(sizeof data->cwd) - 1] = '\0';
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if (*data->cwd != '\0')
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c->cwd = xstrdup(data->cwd);
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data.tty[(sizeof data.tty) - 1] = '\0';
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data.term[(sizeof data.term) - 1] = '\0';
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tty_init(&c->tty, data.tty, data.term);
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if (data.flags & IDENTIFY_UTF8)
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data->tty[(sizeof data->tty) - 1] = '\0';
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data->term[(sizeof data->term) - 1] = '\0';
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tty_init(&c->tty, data->tty, data->term);
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if (data->flags & IDENTIFY_UTF8)
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c->tty.flags |= TTY_UTF8;
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if (data.flags & IDENTIFY_256COLOURS)
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if (data->flags & IDENTIFY_256COLOURS)
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c->tty.term_flags |= TERM_256COLOURS;
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else if (data.flags & IDENTIFY_88COLOURS)
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else if (data->flags & IDENTIFY_88COLOURS)
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c->tty.term_flags |= TERM_88COLOURS;
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if (data.flags & IDENTIFY_HASDEFAULTS)
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if (data->flags & IDENTIFY_HASDEFAULTS)
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c->tty.term_flags |= TERM_HASDEFAULTS;
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c->flags |= CLIENT_TERMINAL;
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}
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void
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server_msg_fn_resize(struct hdr *hdr, struct client *c)
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server_msg_resize(struct client *c, struct msg_resize_data *data)
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{
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struct msg_resize_data data;
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if (hdr->size != sizeof data)
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fatalx("bad MSG_RESIZE size");
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buffer_read(c->in, &data, sizeof data);
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log_debug("resize msg from client: %u,%u", data.sx, data.sy);
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c->tty.sx = data.sx;
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c->tty.sx = data->sx;
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if (c->tty.sx == 0)
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c->tty.sx = 80;
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c->tty.sy = data.sy;
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c->tty.sy = data->sy;
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if (c->tty.sy == 0)
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c->tty.sy = 25;
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@ -258,50 +262,3 @@ server_msg_fn_resize(struct hdr *hdr, struct client *c)
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/* Always redraw this client. */
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server_redraw_client(c);
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}
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void
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server_msg_fn_exiting(struct hdr *hdr, struct client *c)
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{
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if (hdr->size != 0)
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fatalx("bad MSG_EXITING size");
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log_debug("exiting msg from client");
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c->session = NULL;
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tty_close(&c->tty, c->flags & CLIENT_SUSPENDED);
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server_write_client(c, MSG_EXITED, NULL, 0);
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}
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void
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server_msg_fn_unlock(struct hdr *hdr, struct client *c)
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{
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struct msg_unlock_data data;
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if (hdr->size != sizeof data)
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fatalx("bad MSG_UNLOCK size");
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buffer_read(c->in, &data, sizeof data);
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log_debug("unlock msg from client");
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data.pass[(sizeof data.pass) - 1] = '\0';
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if (server_unlock(data.pass) != 0)
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server_write_error(c, "bad password");
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memset(&data, 0, sizeof data);
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server_write_client(c, MSG_EXIT, NULL, 0);
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}
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void
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server_msg_fn_wakeup(struct hdr *hdr, struct client *c)
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{
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if (hdr->size != 0)
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fatalx("bad MSG_WAKEUP size");
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log_debug("wakeup msg from client");
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c->flags &= ~CLIENT_SUSPENDED;
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tty_start_tty(&c->tty);
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server_redraw_client(c);
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}
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