xref: /openbsd-src/usr.bin/tmux/cmd-source-file.c (revision e603c72f713dd59b67030a9b97ec661800da159e)
1 /* $OpenBSD: cmd-source-file.c,v 1.38 2019/05/23 11:13:30 nicm Exp $ */
2 
3 /*
4  * Copyright (c) 2008 Tiago Cunha <me@tiagocunha.org>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #include <sys/types.h>
20 
21 #include <errno.h>
22 #include <glob.h>
23 #include <stdlib.h>
24 #include <string.h>
25 #include <vis.h>
26 
27 #include "tmux.h"
28 
29 /*
30  * Sources a configuration file.
31  */
32 
33 static enum cmd_retval	cmd_source_file_exec(struct cmd *, struct cmdq_item *);
34 
35 static enum cmd_retval	cmd_source_file_done(struct cmdq_item *, void *);
36 
37 const struct cmd_entry cmd_source_file_entry = {
38 	.name = "source-file",
39 	.alias = "source",
40 
41 	.args = { "nq", 1, 1 },
42 	.usage = "[-nq] path",
43 
44 	.flags = 0,
45 	.exec = cmd_source_file_exec
46 };
47 
48 static enum cmd_retval
49 cmd_source_file_exec(struct cmd *self, struct cmdq_item *item)
50 {
51 	struct args		*args = self->args;
52 	int			 flags = 0;
53 	struct client		*c = item->client;
54 	struct cmdq_item	*new_item, *after;
55 	enum cmd_retval		 retval;
56 	char			*pattern, *tmp;
57 	const char		*path = args->argv[0];
58 	glob_t			 g;
59 	u_int			 i;
60 
61 	if (args_has(args, 'q'))
62 		flags |= CMD_PARSE_QUIET;
63 	if (args_has(args, 'n'))
64 		flags |= CMD_PARSE_PARSEONLY;
65 
66 	if (*path == '/')
67 		pattern = xstrdup(path);
68 	else {
69 		utf8_stravis(&tmp, server_client_get_cwd(c, NULL), VIS_GLOB);
70 		xasprintf(&pattern, "%s/%s", tmp, path);
71 		free(tmp);
72 	}
73 	log_debug("%s: %s", __func__, pattern);
74 
75 	retval = CMD_RETURN_NORMAL;
76 	if (glob(pattern, 0, NULL, &g) != 0) {
77 		if (errno != ENOENT || (~flags & CMD_PARSE_QUIET)) {
78 			cmdq_error(item, "%s: %s", path, strerror(errno));
79 			retval = CMD_RETURN_ERROR;
80 		}
81 		free(pattern);
82 		return (retval);
83 	}
84 	free(pattern);
85 
86 	after = item;
87 	for (i = 0; i < (u_int)g.gl_pathc; i++) {
88 		if (load_cfg(g.gl_pathv[i], c, after, flags, &new_item) < 0)
89 			retval = CMD_RETURN_ERROR;
90 		else if (new_item != NULL)
91 			after = new_item;
92 	}
93 	if (cfg_finished) {
94 		new_item = cmdq_get_callback(cmd_source_file_done, NULL);
95 		cmdq_insert_after(item, new_item);
96 	}
97 
98 	globfree(&g);
99 	return (retval);
100 }
101 
102 static enum cmd_retval
103 cmd_source_file_done(struct cmdq_item *item, __unused void *data)
104 {
105 	cfg_print_causes(item);
106 	return (CMD_RETURN_NORMAL);
107 }
108