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https://github.com/tmate-io/tmate.git
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124 lines
3.0 KiB
C
124 lines
3.0 KiB
C
/* $Id$ */
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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 <stdlib.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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enum cmd_retval 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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enum cmd_retval
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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;
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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 (CMD_RETURN_ERROR);
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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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free(cause);
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return (CMD_RETURN_ERROR);
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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 (CMD_RETURN_ERROR);
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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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c = ctx->curclient;
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if (c == NULL || !(c->flags & CLIENT_CONTROL))
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c = ctx->cmdclient;
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if (c == NULL) {
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ctx->error(ctx, "can't write to stdout");
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return (CMD_RETURN_ERROR);
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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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c = ctx->cmdclient;
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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 (CMD_RETURN_ERROR);
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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 (CMD_RETURN_ERROR);
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}
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fclose(f);
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}
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return (CMD_RETURN_NORMAL);
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}
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