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/* $OpenBSD: cmd-source-file.c,v 1.49 2021/06/10 07:53:19 nicm Exp $ */
/*
* Copyright (c) 2008 Tiago Cunha <me@tiagocunha.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <errno.h>
#include <glob.h>
#include <stdlib.h>
#include <string.h>
#include <vis.h>
#include "tmux.h"
/*
* Sources a configuration file.
*/
static enum cmd_retval cmd_source_file_exec(struct cmd *, struct cmdq_item *);
const struct cmd_entry cmd_source_file_entry = {
.name = "source-file",
.alias = "source",
.args = { "Fnqv", 1, -1 },
.usage = "[-Fnqv] path ...",
.flags = 0,
.exec = cmd_source_file_exec
};
struct cmd_source_file_data {
struct cmdq_item *item;
int flags;
struct cmdq_item *after;
enum cmd_retval retval;
u_int current;
char **files;
u_int nfiles;
};
static enum cmd_retval
cmd_source_file_complete_cb(struct cmdq_item *item, __unused void *data)
{
cfg_print_causes(item);
return (CMD_RETURN_NORMAL);
}
static void
cmd_source_file_complete(struct client *c, struct cmd_source_file_data *cdata)
{
struct cmdq_item *new_item;
if (cfg_finished) {
if (cdata->retval == CMD_RETURN_ERROR &&
c != NULL &&
c->session == NULL)
c->retval = 1;
new_item = cmdq_get_callback(cmd_source_file_complete_cb, NULL);
cmdq_insert_after(cdata->after, new_item);
}
free(cdata->files);
free(cdata);
}
static void
cmd_source_file_done(struct client *c, const char *path, int error,
int closed, struct evbuffer *buffer, void *data)
{
struct cmd_source_file_data *cdata = data;
struct cmdq_item *item = cdata->item;
void *bdata = EVBUFFER_DATA(buffer);
size_t bsize = EVBUFFER_LENGTH(buffer);
u_int n;
struct cmdq_item *new_item;
if (!closed)
return;
if (error != 0)
cmdq_error(item, "%s: %s", path, strerror(error));
else if (bsize != 0) {
if (load_cfg_from_buffer(bdata, bsize, path, c, cdata->after,
cdata->flags, &new_item) < 0)
cdata->retval = CMD_RETURN_ERROR;
else if (new_item != NULL)
cdata->after = new_item;
}
n = ++cdata->current;
if (n < cdata->nfiles)
file_read(c, cdata->files[n], cmd_source_file_done, cdata);
else {
cmd_source_file_complete(c, cdata);
cmdq_continue(item);
}
}
static void
cmd_source_file_add(struct cmd_source_file_data *cdata, const char *path)
{
log_debug("%s: %s", __func__, path);
cdata->files = xreallocarray(cdata->files, cdata->nfiles + 1,
sizeof *cdata->files);
cdata->files[cdata->nfiles++] = xstrdup(path);
}
static enum cmd_retval
cmd_source_file_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = cmd_get_args(self);
struct cmd_source_file_data *cdata;
struct client *c = cmdq_get_client(item);
enum cmd_retval retval = CMD_RETURN_NORMAL;
char *pattern, *cwd, *expand = NULL;
const char *path, *error;
glob_t g;
int i, result;
u_int j;
cdata = xcalloc(1, sizeof *cdata);
cdata->item = item;
if (args_has(args, 'q'))
cdata->flags |= CMD_PARSE_QUIET;
if (args_has(args, 'n'))
cdata->flags |= CMD_PARSE_PARSEONLY;
if (args_has(args, 'v'))
cdata->flags |= CMD_PARSE_VERBOSE;
utf8_stravis(&cwd, server_client_get_cwd(c, NULL), VIS_GLOB);
for (i = 0; i < args->argc; i++) {
if (args_has(args, 'F')) {
free(expand);
expand = format_single_from_target(item, args->argv[i]);
path = expand;
} else
path = args->argv[i];
if (strcmp(path, "-") == 0) {
cmd_source_file_add(cdata, "-");
continue;
}
if (*path == '/')
pattern = xstrdup(path);
else
xasprintf(&pattern, "%s/%s", cwd, path);
log_debug("%s: %s", __func__, pattern);
if ((result = glob(pattern, 0, NULL, &g)) != 0) {
if (result != GLOB_NOMATCH ||
(~cdata->flags & CMD_PARSE_QUIET)) {
if (result == GLOB_NOMATCH)
error = strerror(ENOENT);
else if (result == GLOB_NOSPACE)
error = strerror(ENOMEM);
else
error = strerror(EINVAL);
cmdq_error(item, "%s: %s", path, error);
retval = CMD_RETURN_ERROR;
}
free(pattern);
continue;
}
free(expand);
free(pattern);
for (j = 0; j < g.gl_pathc; j++)
cmd_source_file_add(cdata, g.gl_pathv[j]);
}
cdata->after = item;
cdata->retval = retval;
if (cdata->nfiles != 0) {
file_read(c, cdata->files[0], cmd_source_file_done, cdata);
retval = CMD_RETURN_WAIT;
} else
cmd_source_file_complete(c, cdata);
free(cwd);
return (retval);
}
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