Annotation of src/usr.bin/tmux/cmd-source-file.c, Revision 1.52
1.52 ! nicm 1: /* $OpenBSD: cmd-source-file.c,v 1.51 2021/08/21 10:22:39 nicm Exp $ */
1.1 nicm 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:
1.31 nicm 21: #include <errno.h>
22: #include <glob.h>
1.12 nicm 23: #include <stdlib.h>
1.31 nicm 24: #include <string.h>
1.34 nicm 25: #include <vis.h>
1.12 nicm 26:
1.1 nicm 27: #include "tmux.h"
28:
29: /*
30: * Sources a configuration file.
31: */
32:
1.30 nicm 33: static enum cmd_retval cmd_source_file_exec(struct cmd *, struct cmdq_item *);
1.15 nicm 34:
1.1 nicm 35: const struct cmd_entry cmd_source_file_entry = {
1.23 nicm 36: .name = "source-file",
37: .alias = "source",
38:
1.51 nicm 39: .args = { "Fnqv", 1, -1, NULL },
1.48 nicm 40: .usage = "[-Fnqv] path ...",
1.23 nicm 41:
42: .flags = 0,
43: .exec = cmd_source_file_exec
1.1 nicm 44: };
45:
1.42 nicm 46: struct cmd_source_file_data {
47: struct cmdq_item *item;
48: int flags;
49:
50: struct cmdq_item *after;
51: enum cmd_retval retval;
52:
53: u_int current;
54: char **files;
55: u_int nfiles;
56: };
57:
58: static enum cmd_retval
59: cmd_source_file_complete_cb(struct cmdq_item *item, __unused void *data)
60: {
61: cfg_print_causes(item);
62: return (CMD_RETURN_NORMAL);
63: }
64:
65: static void
66: cmd_source_file_complete(struct client *c, struct cmd_source_file_data *cdata)
67: {
68: struct cmdq_item *new_item;
69:
70: if (cfg_finished) {
1.49 nicm 71: if (cdata->retval == CMD_RETURN_ERROR &&
72: c != NULL &&
73: c->session == NULL)
1.42 nicm 74: c->retval = 1;
75: new_item = cmdq_get_callback(cmd_source_file_complete_cb, NULL);
76: cmdq_insert_after(cdata->after, new_item);
77: }
78:
79: free(cdata->files);
80: free(cdata);
81: }
82:
83: static void
84: cmd_source_file_done(struct client *c, const char *path, int error,
85: int closed, struct evbuffer *buffer, void *data)
86: {
87: struct cmd_source_file_data *cdata = data;
88: struct cmdq_item *item = cdata->item;
89: void *bdata = EVBUFFER_DATA(buffer);
90: size_t bsize = EVBUFFER_LENGTH(buffer);
91: u_int n;
92: struct cmdq_item *new_item;
93:
94: if (!closed)
95: return;
96:
97: if (error != 0)
98: cmdq_error(item, "%s: %s", path, strerror(error));
99: else if (bsize != 0) {
100: if (load_cfg_from_buffer(bdata, bsize, path, c, cdata->after,
101: cdata->flags, &new_item) < 0)
102: cdata->retval = CMD_RETURN_ERROR;
103: else if (new_item != NULL)
104: cdata->after = new_item;
105: }
106:
107: n = ++cdata->current;
108: if (n < cdata->nfiles)
109: file_read(c, cdata->files[n], cmd_source_file_done, cdata);
110: else {
111: cmd_source_file_complete(c, cdata);
112: cmdq_continue(item);
113: }
114: }
115:
116: static void
117: cmd_source_file_add(struct cmd_source_file_data *cdata, const char *path)
118: {
1.44 nicm 119: log_debug("%s: %s", __func__, path);
1.42 nicm 120: cdata->files = xreallocarray(cdata->files, cdata->nfiles + 1,
121: sizeof *cdata->files);
122: cdata->files[cdata->nfiles++] = xstrdup(path);
123: }
124:
1.26 nicm 125: static enum cmd_retval
1.30 nicm 126: cmd_source_file_exec(struct cmd *self, struct cmdq_item *item)
1.15 nicm 127: {
1.46 nicm 128: struct args *args = cmd_get_args(self);
1.42 nicm 129: struct cmd_source_file_data *cdata;
1.47 nicm 130: struct client *c = cmdq_get_client(item);
1.42 nicm 131: enum cmd_retval retval = CMD_RETURN_NORMAL;
1.50 nicm 132: char *pattern, *cwd, *expanded = NULL;
1.42 nicm 133: const char *path, *error;
134: glob_t g;
1.50 nicm 135: int result;
136: u_int i, j;
1.42 nicm 137:
138: cdata = xcalloc(1, sizeof *cdata);
139: cdata->item = item;
1.15 nicm 140:
1.37 nicm 141: if (args_has(args, 'q'))
1.42 nicm 142: cdata->flags |= CMD_PARSE_QUIET;
1.38 nicm 143: if (args_has(args, 'n'))
1.42 nicm 144: cdata->flags |= CMD_PARSE_PARSEONLY;
1.41 nicm 145: if (args_has(args, 'v'))
1.42 nicm 146: cdata->flags |= CMD_PARSE_VERBOSE;
147:
1.39 nicm 148: utf8_stravis(&cwd, server_client_get_cwd(c, NULL), VIS_GLOB);
1.31 nicm 149:
1.50 nicm 150: for (i = 0; i < args_count(args); i++) {
151: path = args_string(args, i);
1.48 nicm 152: if (args_has(args, 'F')) {
1.50 nicm 153: free(expanded);
154: expanded = format_single_from_target(item, path);
155: path = expanded;
156: }
1.42 nicm 157: if (strcmp(path, "-") == 0) {
158: cmd_source_file_add(cdata, "-");
159: continue;
160: }
161:
1.39 nicm 162: if (*path == '/')
163: pattern = xstrdup(path);
164: else
165: xasprintf(&pattern, "%s/%s", cwd, path);
166: log_debug("%s: %s", __func__, pattern);
167:
1.43 nicm 168: if ((result = glob(pattern, 0, NULL, &g)) != 0) {
169: if (result != GLOB_NOMATCH ||
1.45 tim 170: (~cdata->flags & CMD_PARSE_QUIET)) {
1.43 nicm 171: if (result == GLOB_NOMATCH)
172: error = strerror(ENOENT);
173: else if (result == GLOB_NOSPACE)
174: error = strerror(ENOMEM);
175: else
176: error = strerror(EINVAL);
1.39 nicm 177: cmdq_error(item, "%s: %s", path, error);
178: retval = CMD_RETURN_ERROR;
179: }
180: free(pattern);
181: continue;
1.34 nicm 182: }
183: free(pattern);
184:
1.42 nicm 185: for (j = 0; j < g.gl_pathc; j++)
186: cmd_source_file_add(cdata, g.gl_pathv[j]);
1.29 nicm 187: }
1.52 ! nicm 188: free(expanded);
1.42 nicm 189:
190: cdata->after = item;
191: cdata->retval = retval;
192:
193: if (cdata->nfiles != 0) {
194: file_read(c, cdata->files[0], cmd_source_file_done, cdata);
195: retval = CMD_RETURN_WAIT;
196: } else
197: cmd_source_file_complete(c, cdata);
1.31 nicm 198:
1.39 nicm 199: free(cwd);
1.31 nicm 200: return (retval);
1.1 nicm 201: }
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