1 /* $OpenBSD$ */ 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 26 #include "tmux.h" 27 28 /* 29 * Sources a configuration file. 30 */ 31 32 static enum cmd_retval cmd_source_file_exec(struct cmd *, struct cmdq_item *); 33 34 const struct cmd_entry cmd_source_file_entry = { 35 .name = "source-file", 36 .alias = "source", 37 38 .args = { "Fnqv", 1, -1, NULL }, 39 .usage = "[-Fnqv] path ...", 40 41 .flags = 0, 42 .exec = cmd_source_file_exec 43 }; 44 45 struct 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 57 static enum cmd_retval 58 cmd_source_file_complete_cb(struct cmdq_item *item, __unused void *data) 59 { 60 cfg_print_causes(item); 61 return (CMD_RETURN_NORMAL); 62 } 63 64 static void 65 cmd_source_file_complete(struct client *c, struct cmd_source_file_data *cdata) 66 { 67 struct cmdq_item *new_item; 68 u_int i; 69 70 if (cfg_finished) { 71 if (cdata->retval == CMD_RETURN_ERROR && 72 c != NULL && 73 c->session == NULL) 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 for (i = 0; i < cdata->nfiles; i++) 80 free(cdata->files[i]); 81 free(cdata->files); 82 free(cdata); 83 } 84 85 static void 86 cmd_source_file_done(struct client *c, const char *path, int error, 87 int closed, struct evbuffer *buffer, void *data) 88 { 89 struct cmd_source_file_data *cdata = data; 90 struct cmdq_item *item = cdata->item; 91 void *bdata = EVBUFFER_DATA(buffer); 92 size_t bsize = EVBUFFER_LENGTH(buffer); 93 u_int n; 94 struct cmdq_item *new_item; 95 96 if (!closed) 97 return; 98 99 if (error != 0) 100 cmdq_error(item, "%s: %s", path, strerror(error)); 101 else if (bsize != 0) { 102 if (load_cfg_from_buffer(bdata, bsize, path, c, cdata->after, 103 cdata->flags, &new_item) < 0) 104 cdata->retval = CMD_RETURN_ERROR; 105 else if (new_item != NULL) 106 cdata->after = new_item; 107 } 108 109 n = ++cdata->current; 110 if (n < cdata->nfiles) 111 file_read(c, cdata->files[n], cmd_source_file_done, cdata); 112 else { 113 cmd_source_file_complete(c, cdata); 114 cmdq_continue(item); 115 } 116 } 117 118 static void 119 cmd_source_file_add(struct cmd_source_file_data *cdata, const char *path) 120 { 121 log_debug("%s: %s", __func__, path); 122 cdata->files = xreallocarray(cdata->files, cdata->nfiles + 1, 123 sizeof *cdata->files); 124 cdata->files[cdata->nfiles++] = xstrdup(path); 125 } 126 127 static enum cmd_retval 128 cmd_source_file_exec(struct cmd *self, struct cmdq_item *item) 129 { 130 struct args *args = cmd_get_args(self); 131 struct cmd_source_file_data *cdata; 132 struct client *c = cmdq_get_client(item); 133 enum cmd_retval retval = CMD_RETURN_NORMAL; 134 char *pattern, *cwd, *expanded = NULL; 135 const char *path, *error; 136 glob_t g; 137 int result; 138 u_int i, j; 139 140 cdata = xcalloc(1, sizeof *cdata); 141 cdata->item = item; 142 143 if (args_has(args, 'q')) 144 cdata->flags |= CMD_PARSE_QUIET; 145 if (args_has(args, 'n')) 146 cdata->flags |= CMD_PARSE_PARSEONLY; 147 if (args_has(args, 'v')) 148 cdata->flags |= CMD_PARSE_VERBOSE; 149 150 utf8_stravis(&cwd, server_client_get_cwd(c, NULL), VIS_GLOB); 151 152 for (i = 0; i < args_count(args); i++) { 153 path = args_string(args, i); 154 if (args_has(args, 'F')) { 155 free(expanded); 156 expanded = format_single_from_target(item, path); 157 path = expanded; 158 } 159 if (strcmp(path, "-") == 0) { 160 cmd_source_file_add(cdata, "-"); 161 continue; 162 } 163 164 if (*path == '/') 165 pattern = xstrdup(path); 166 else 167 xasprintf(&pattern, "%s/%s", cwd, path); 168 log_debug("%s: %s", __func__, pattern); 169 170 if ((result = glob(pattern, 0, NULL, &g)) != 0) { 171 if (result != GLOB_NOMATCH || 172 (~cdata->flags & CMD_PARSE_QUIET)) { 173 if (result == GLOB_NOMATCH) 174 error = strerror(ENOENT); 175 else if (result == GLOB_NOSPACE) 176 error = strerror(ENOMEM); 177 else 178 error = strerror(EINVAL); 179 cmdq_error(item, "%s: %s", path, error); 180 retval = CMD_RETURN_ERROR; 181 } 182 globfree(&g); 183 free(pattern); 184 continue; 185 } 186 free(pattern); 187 188 for (j = 0; j < g.gl_pathc; j++) 189 cmd_source_file_add(cdata, g.gl_pathv[j]); 190 globfree(&g); 191 } 192 free(expanded); 193 194 cdata->after = item; 195 cdata->retval = retval; 196 197 if (cdata->nfiles != 0) { 198 file_read(c, cdata->files[0], cmd_source_file_done, cdata); 199 retval = CMD_RETURN_WAIT; 200 } else 201 cmd_source_file_complete(c, cdata); 202 203 free(cwd); 204 return (retval); 205 } 206