Annotation of src/usr.bin/tmux/cmd-source-file.c, Revision 1.48
1.48 ! nicm 1: /* $OpenBSD: cmd-source-file.c,v 1.47 2020/04/13 10:59:58 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:
1.48 ! nicm 39: .args = { "Fnqv", 1, -1 },
! 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) {
71: if (cdata->retval == CMD_RETURN_ERROR && c->session == NULL)
72: c->retval = 1;
73: new_item = cmdq_get_callback(cmd_source_file_complete_cb, NULL);
74: cmdq_insert_after(cdata->after, new_item);
75: }
76:
77: free(cdata->files);
78: free(cdata);
79: }
80:
81: static void
82: cmd_source_file_done(struct client *c, const char *path, int error,
83: int closed, struct evbuffer *buffer, void *data)
84: {
85: struct cmd_source_file_data *cdata = data;
86: struct cmdq_item *item = cdata->item;
87: void *bdata = EVBUFFER_DATA(buffer);
88: size_t bsize = EVBUFFER_LENGTH(buffer);
89: u_int n;
90: struct cmdq_item *new_item;
91:
92: if (!closed)
93: return;
94:
95: if (error != 0)
96: cmdq_error(item, "%s: %s", path, strerror(error));
97: else if (bsize != 0) {
98: if (load_cfg_from_buffer(bdata, bsize, path, c, cdata->after,
99: cdata->flags, &new_item) < 0)
100: cdata->retval = CMD_RETURN_ERROR;
101: else if (new_item != NULL)
102: cdata->after = new_item;
103: }
104:
105: n = ++cdata->current;
106: if (n < cdata->nfiles)
107: file_read(c, cdata->files[n], cmd_source_file_done, cdata);
108: else {
109: cmd_source_file_complete(c, cdata);
110: cmdq_continue(item);
111: }
112: }
113:
114: static void
115: cmd_source_file_add(struct cmd_source_file_data *cdata, const char *path)
116: {
1.44 nicm 117: log_debug("%s: %s", __func__, path);
1.42 nicm 118: cdata->files = xreallocarray(cdata->files, cdata->nfiles + 1,
119: sizeof *cdata->files);
120: cdata->files[cdata->nfiles++] = xstrdup(path);
121: }
122:
1.26 nicm 123: static enum cmd_retval
1.30 nicm 124: cmd_source_file_exec(struct cmd *self, struct cmdq_item *item)
1.15 nicm 125: {
1.46 nicm 126: struct args *args = cmd_get_args(self);
1.42 nicm 127: struct cmd_source_file_data *cdata;
1.47 nicm 128: struct client *c = cmdq_get_client(item);
1.42 nicm 129: enum cmd_retval retval = CMD_RETURN_NORMAL;
1.48 ! nicm 130: char *pattern, *cwd, *expand = NULL;
1.42 nicm 131: const char *path, *error;
132: glob_t g;
1.43 nicm 133: int i, result;
1.42 nicm 134: u_int j;
135:
136: cdata = xcalloc(1, sizeof *cdata);
137: cdata->item = item;
1.15 nicm 138:
1.37 nicm 139: if (args_has(args, 'q'))
1.42 nicm 140: cdata->flags |= CMD_PARSE_QUIET;
1.38 nicm 141: if (args_has(args, 'n'))
1.42 nicm 142: cdata->flags |= CMD_PARSE_PARSEONLY;
1.41 nicm 143: if (args_has(args, 'v'))
1.42 nicm 144: cdata->flags |= CMD_PARSE_VERBOSE;
145:
1.39 nicm 146: utf8_stravis(&cwd, server_client_get_cwd(c, NULL), VIS_GLOB);
1.31 nicm 147:
1.39 nicm 148: for (i = 0; i < args->argc; i++) {
1.48 ! nicm 149: if (args_has(args, 'F')) {
! 150: free(expand);
! 151: expand = format_single_from_target(item, args->argv[i]);
! 152: path = expand;
! 153: } else
! 154: path = args->argv[i];
1.42 nicm 155: if (strcmp(path, "-") == 0) {
156: cmd_source_file_add(cdata, "-");
157: continue;
158: }
159:
1.39 nicm 160: if (*path == '/')
161: pattern = xstrdup(path);
162: else
163: xasprintf(&pattern, "%s/%s", cwd, path);
164: log_debug("%s: %s", __func__, pattern);
165:
1.43 nicm 166: if ((result = glob(pattern, 0, NULL, &g)) != 0) {
167: if (result != GLOB_NOMATCH ||
1.45 tim 168: (~cdata->flags & CMD_PARSE_QUIET)) {
1.43 nicm 169: if (result == GLOB_NOMATCH)
170: error = strerror(ENOENT);
171: else if (result == GLOB_NOSPACE)
172: error = strerror(ENOMEM);
173: else
174: error = strerror(EINVAL);
1.39 nicm 175: cmdq_error(item, "%s: %s", path, error);
176: retval = CMD_RETURN_ERROR;
177: }
178: free(pattern);
179: continue;
1.34 nicm 180: }
1.48 ! nicm 181: free(expand);
1.34 nicm 182: free(pattern);
183:
1.42 nicm 184: for (j = 0; j < g.gl_pathc; j++)
185: cmd_source_file_add(cdata, g.gl_pathv[j]);
1.29 nicm 186: }
1.42 nicm 187:
188: cdata->after = item;
189: cdata->retval = retval;
190:
191: if (cdata->nfiles != 0) {
192: file_read(c, cdata->files[0], cmd_source_file_done, cdata);
193: retval = CMD_RETURN_WAIT;
194: } else
195: cmd_source_file_complete(c, cdata);
1.31 nicm 196:
1.39 nicm 197: free(cwd);
1.31 nicm 198: return (retval);
1.1 nicm 199: }
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