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https://github.com/tmux/tmux.git
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7a4679a17f
handling them in the server, handle them in the client and pass buffers over imsg. This is much tidier for some upcoming changes and the performance hit isn't critical. The tty fd is still passed to the server as before. This bumps the tmux protocol version so new clients and old servers are incompatible.
119 lines
2.8 KiB
C
119 lines
2.8 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <string.h>
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#include "tmux.h"
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/*
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* Saves a paste buffer to a file.
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*/
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int cmd_save_buffer_exec(struct cmd *, struct cmd_ctx *);
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const struct cmd_entry cmd_save_buffer_entry = {
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"save-buffer", "saveb",
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"ab:", 1, 1,
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"[-a] " CMD_BUFFER_USAGE " path",
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0,
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NULL,
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NULL,
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cmd_save_buffer_exec
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};
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int
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cmd_save_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
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{
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struct args *args = self->args;
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struct client *c = ctx->cmdclient;
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struct session *s;
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struct paste_buffer *pb;
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const char *path, *newpath, *wd;
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char *cause;
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int buffer;
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mode_t mask;
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FILE *f;
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if (!args_has(args, 'b')) {
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if ((pb = paste_get_top(&global_buffers)) == NULL) {
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ctx->error(ctx, "no buffers");
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return (-1);
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}
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} else {
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buffer = args_strtonum(args, 'b', 0, INT_MAX, &cause);
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if (cause != NULL) {
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ctx->error(ctx, "buffer %s", cause);
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xfree(cause);
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return (-1);
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}
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pb = paste_get_index(&global_buffers, buffer);
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if (pb == NULL) {
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ctx->error(ctx, "no buffer %d", buffer);
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return (-1);
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}
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}
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path = args->argv[0];
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if (strcmp(path, "-") == 0) {
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if (c == NULL) {
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ctx->error(ctx, "%s: can't write to stdout", path);
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return (-1);
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}
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evbuffer_add(c->stdout_data, pb->data, pb->size);
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server_push_stdout(c);
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} else {
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if (c != NULL)
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wd = c->cwd;
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else if ((s = cmd_current_session(ctx, 0)) != NULL) {
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wd = options_get_string(&s->options, "default-path");
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if (*wd == '\0')
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wd = s->cwd;
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} else
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wd = NULL;
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if (wd != NULL && *wd != '\0') {
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newpath = get_full_path(wd, path);
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if (newpath != NULL)
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path = newpath;
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}
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mask = umask(S_IRWXG | S_IRWXO);
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if (args_has(self->args, 'a'))
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f = fopen(path, "ab");
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else
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f = fopen(path, "wb");
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umask(mask);
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if (f == NULL) {
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ctx->error(ctx, "%s: %s", path, strerror(errno));
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return (-1);
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}
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if (fwrite(pb->data, 1, pb->size, f) != pb->size) {
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ctx->error(ctx, "%s: fwrite error", path);
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fclose(f);
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return (-1);
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}
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fclose(f);
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}
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return (0);
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}
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