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 = { "t:Fnqv", 1, -1, NULL }, 39 .usage = "[-Fnqv] " CMD_TARGET_PANE_USAGE " path ...", 40 41 .target = { 't', CMD_FIND_PANE, CMD_FIND_CANFAIL }, 42 43 .flags = 0, 44 .exec = cmd_source_file_exec 45 }; 46 47 struct cmd_source_file_data { 48 struct cmdq_item *item; 49 int flags; 50 51 struct cmdq_item *after; 52 enum cmd_retval retval; 53 54 u_int current; 55 char **files; 56 u_int nfiles; 57 }; 58 59 static enum cmd_retval 60 cmd_source_file_complete_cb(struct cmdq_item *item, __unused void *data) 61 { 62 cfg_print_causes(item); 63 return (CMD_RETURN_NORMAL); 64 } 65 66 static void 67 cmd_source_file_complete(struct client *c, struct cmd_source_file_data *cdata) 68 { 69 struct cmdq_item *new_item; 70 u_int i; 71 72 if (cfg_finished) { 73 if (cdata->retval == CMD_RETURN_ERROR && 74 c != NULL && 75 c->session == NULL) 76 c->retval = 1; 77 new_item = cmdq_get_callback(cmd_source_file_complete_cb, NULL); 78 cmdq_insert_after(cdata->after, new_item); 79 } 80 81 for (i = 0; i < cdata->nfiles; i++) 82 free(cdata->files[i]); 83 free(cdata->files); 84 free(cdata); 85 } 86 87 static void 88 cmd_source_file_done(struct client *c, const char *path, int error, 89 int closed, struct evbuffer *buffer, void *data) 90 { 91 struct cmd_source_file_data *cdata = data; 92 struct cmdq_item *item = cdata->item; 93 void *bdata = EVBUFFER_DATA(buffer); 94 size_t bsize = EVBUFFER_LENGTH(buffer); 95 u_int n; 96 struct cmdq_item *new_item; 97 struct cmd_find_state *target = cmdq_get_target(item); 98 99 if (!closed) 100 return; 101 102 if (error != 0) 103 cmdq_error(item, "%s: %s", path, strerror(error)); 104 else if (bsize != 0) { 105 if (load_cfg_from_buffer(bdata, bsize, path, c, cdata->after, 106 target, cdata->flags, &new_item) < 0) 107 cdata->retval = CMD_RETURN_ERROR; 108 else if (new_item != NULL) 109 cdata->after = new_item; 110 } 111 112 n = ++cdata->current; 113 if (n < cdata->nfiles) 114 file_read(c, cdata->files[n], cmd_source_file_done, cdata); 115 else { 116 cmd_source_file_complete(c, cdata); 117 cmdq_continue(item); 118 } 119 } 120 121 static void 122 cmd_source_file_add(struct cmd_source_file_data *cdata, const char *path) 123 { 124 log_debug("%s: %s", __func__, path); 125 cdata->files = xreallocarray(cdata->files, cdata->nfiles + 1, 126 sizeof *cdata->files); 127 cdata->files[cdata->nfiles++] = xstrdup(path); 128 } 129 130 static enum cmd_retval 131 cmd_source_file_exec(struct cmd *self, struct cmdq_item *item) 132 { 133 struct args *args = cmd_get_args(self); 134 struct cmd_source_file_data *cdata; 135 struct client *c = cmdq_get_client(item); 136 enum cmd_retval retval = CMD_RETURN_NORMAL; 137 char *pattern, *cwd, *expanded = NULL; 138 const char *path, *error; 139 glob_t g; 140 int result; 141 u_int i, j; 142 143 cdata = xcalloc(1, sizeof *cdata); 144 cdata->item = item; 145 146 if (args_has(args, 'q')) 147 cdata->flags |= CMD_PARSE_QUIET; 148 if (args_has(args, 'n')) 149 cdata->flags |= CMD_PARSE_PARSEONLY; 150 if (args_has(args, 'v')) 151 cdata->flags |= CMD_PARSE_VERBOSE; 152 153 utf8_stravis(&cwd, server_client_get_cwd(c, NULL), VIS_GLOB); 154 155 for (i = 0; i < args_count(args); i++) { 156 path = args_string(args, i); 157 if (args_has(args, 'F')) { 158 free(expanded); 159 expanded = format_single_from_target(item, path); 160 path = expanded; 161 } 162 if (strcmp(path, "-") == 0) { 163 cmd_source_file_add(cdata, "-"); 164 continue; 165 } 166 167 if (*path == '/') 168 pattern = xstrdup(path); 169 else 170 xasprintf(&pattern, "%s/%s", cwd, path); 171 log_debug("%s: %s", __func__, pattern); 172 173 if ((result = glob(pattern, 0, NULL, &g)) != 0) { 174 if (result != GLOB_NOMATCH || 175 (~cdata->flags & CMD_PARSE_QUIET)) { 176 if (result == GLOB_NOMATCH) 177 error = strerror(ENOENT); 178 else if (result == GLOB_NOSPACE) 179 error = strerror(ENOMEM); 180 else 181 error = strerror(EINVAL); 182 cmdq_error(item, "%s: %s", path, error); 183 retval = CMD_RETURN_ERROR; 184 } 185 globfree(&g); 186 free(pattern); 187 continue; 188 } 189 free(pattern); 190 191 for (j = 0; j < g.gl_pathc; j++) 192 cmd_source_file_add(cdata, g.gl_pathv[j]); 193 globfree(&g); 194 } 195 free(expanded); 196 197 cdata->after = item; 198 cdata->retval = retval; 199 200 if (cdata->nfiles != 0) { 201 file_read(c, cdata->files[0], cmd_source_file_done, cdata); 202 retval = CMD_RETURN_WAIT; 203 } else 204 cmd_source_file_complete(c, cdata); 205 206 free(cwd); 207 return (retval); 208 } 209