1/* $OpenBSD$ */
2
3/*
4 * Copyright (c) 2008 Tiago Cunha <[email protected]>
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
26#include "tmux.h"
27
28/*
29 * Sources a configuration file.
30 */
31
32static enum cmd_retval cmd_source_file_exec(struct cmd *, struct cmdq_item *);
33
34const struct cmd_entry cmd_source_file_entry = {
35 .name = "source-file",
36 .alias = "source",
37
38 .args = { "nqv", 1, -1 },
39 .usage = "[-nqv] path ...",
40
41 .flags = 0,
42 .exec = cmd_source_file_exec
43};
44
45struct cmd_source_file_data {
46 struct cmdq_item *item;
47 int flags;
48
49 struct cmdq_item *after;
50 enum cmd_retval retval;
51
52 u_int current;
53 char **files;
54 u_int nfiles;
55};
56
57static enum cmd_retval
58cmd_source_file_complete_cb(struct cmdq_item *item, __unused void *data)
59{
60 cfg_print_causes(item);
61 return (CMD_RETURN_NORMAL);
62}
63
64static void
65cmd_source_file_complete(struct client *c, struct cmd_source_file_data *cdata)
66{
67 struct cmdq_item *new_item;
68
69 if (cfg_finished) {
70 if (cdata->retval == CMD_RETURN_ERROR && c->session == NULL)
71 c->retval = 1;
72 new_item = cmdq_get_callback(cmd_source_file_complete_cb, NULL);
73 cmdq_insert_after(cdata->after, new_item);
74 }
75
76 free(cdata->files);
77 free(cdata);
78}
79
80static void
81cmd_source_file_done(struct client *c, const char *path, int error,
82 int closed, struct evbuffer *buffer, void *data)
83{
84 struct cmd_source_file_data *cdata = data;
85 struct cmdq_item *item = cdata->item;
86 void *bdata = EVBUFFER_DATA(buffer);
87 size_t bsize = EVBUFFER_LENGTH(buffer);
88 u_int n;
89 struct cmdq_item *new_item;
90
91 if (!closed)
92 return;
93
94 if (error != 0)
95 cmdq_error(item, "%s: %s", path, strerror(error));
96 else if (bsize != 0) {
97 if (load_cfg_from_buffer(bdata, bsize, path, c, cdata->after,
98 cdata->flags, &new_item) < 0)
99 cdata->retval = CMD_RETURN_ERROR;
100 else if (new_item != NULL)
101 cdata->after = new_item;
102 }
103
104 n = ++cdata->current;
105 if (n < cdata->nfiles)
106 file_read(c, cdata->files[n], cmd_source_file_done, cdata);
107 else {
108 cmd_source_file_complete(c, cdata);
109 cmdq_continue(item);
110 }
111}
112
113static void
114cmd_source_file_add(struct cmd_source_file_data *cdata, const char *path)
115{
116 log_debug("%s: %s", __func__, path);
117 cdata->files = xreallocarray(cdata->files, cdata->nfiles + 1,
118 sizeof *cdata->files);
119 cdata->files[cdata->nfiles++] = xstrdup(path);
120}
121
122static enum cmd_retval
123cmd_source_file_exec(struct cmd *self, struct cmdq_item *item)
124{
125 struct args *args = self->args;
126 struct cmd_source_file_data *cdata;
127 struct client *c = item->client;
128 enum cmd_retval retval = CMD_RETURN_NORMAL;
129 char *pattern, *cwd;
130 const char *path, *error;
131 glob_t g;
132 int i, result;
133 u_int j;
134
135 cdata = xcalloc(1, sizeof *cdata);
136 cdata->item = item;
137
138 if (args_has(args, 'q'))
139 cdata->flags |= CMD_PARSE_QUIET;
140 if (args_has(args, 'n'))
141 cdata->flags |= CMD_PARSE_PARSEONLY;
142 if (args_has(args, 'v'))
143 cdata->flags |= CMD_PARSE_VERBOSE;
144
145 utf8_stravis(&cwd, server_client_get_cwd(c, NULL), VIS_GLOB);
146
147 for (i = 0; i < args->argc; i++) {
148 path = args->argv[i];
149 if (strcmp(path, "-") == 0) {
150 cmd_source_file_add(cdata, "-");
151 continue;
152 }
153
154 if (*path == '/')
155 pattern = xstrdup(path);
156 else
157 xasprintf(&pattern, "%s/%s", cwd, path);
158 log_debug("%s: %s", __func__, pattern);
159
160 if ((result = glob(pattern, 0, NULL, &g)) != 0) {
161 if (result != GLOB_NOMATCH ||
162 (~cdata->flags & CMD_PARSE_QUIET)) {
163 if (result == GLOB_NOMATCH)
164 error = strerror(ENOENT);
165 else if (result == GLOB_NOSPACE)
166 error = strerror(ENOMEM);
167 else
168 error = strerror(EINVAL);
169 cmdq_error(item, "%s: %s", path, error);
170 retval = CMD_RETURN_ERROR;
171 }
172 free(pattern);
173 continue;
174 }
175 free(pattern);
176
177 for (j = 0; j < g.gl_pathc; j++)
178 cmd_source_file_add(cdata, g.gl_pathv[j]);
179 }
180
181 cdata->after = item;
182 cdata->retval = retval;
183
184 if (cdata->nfiles != 0) {
185 file_read(c, cdata->files[0], cmd_source_file_done, cdata);
186 retval = CMD_RETURN_WAIT;
187 } else
188 cmd_source_file_complete(c, cdata);
189
190 free(cwd);
191 return (retval);
192}
193