1 /* $OpenBSD: cmd-source-file.c,v 1.54 2023/09/15 06:31:49 nicm Exp $ */ 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 #include <vis.h> 26 27 #include "tmux.h" 28 29 /* 30 * Sources a configuration file. 31 */ 32 33 static enum cmd_retval cmd_source_file_exec(struct cmd *, struct cmdq_item *); 34 35 const struct cmd_entry cmd_source_file_entry = { 36 .name = "source-file", 37 .alias = "source", 38 39 .args = { "t:Fnqv", 1, -1, NULL }, 40 .usage = "[-Fnqv] " CMD_TARGET_PANE_USAGE " path ...", 41 42 .target = { 't', CMD_FIND_PANE, CMD_FIND_CANFAIL }, 43 44 .flags = 0, 45 .exec = cmd_source_file_exec 46 }; 47 48 struct cmd_source_file_data { 49 struct cmdq_item *item; 50 int flags; 51 52 struct cmdq_item *after; 53 enum cmd_retval retval; 54 55 u_int current; 56 char **files; 57 u_int nfiles; 58 }; 59 60 static enum cmd_retval 61 cmd_source_file_complete_cb(struct cmdq_item *item, __unused void *data) 62 { 63 cfg_print_causes(item); 64 return (CMD_RETURN_NORMAL); 65 } 66 67 static void 68 cmd_source_file_complete(struct client *c, struct cmd_source_file_data *cdata) 69 { 70 struct cmdq_item *new_item; 71 u_int i; 72 73 if (cfg_finished) { 74 if (cdata->retval == CMD_RETURN_ERROR && 75 c != NULL && 76 c->session == NULL) 77 c->retval = 1; 78 new_item = cmdq_get_callback(cmd_source_file_complete_cb, NULL); 79 cmdq_insert_after(cdata->after, new_item); 80 } 81 82 for (i = 0; i < cdata->nfiles; i++) 83 free(cdata->files[i]); 84 free(cdata->files); 85 free(cdata); 86 } 87 88 static void 89 cmd_source_file_done(struct client *c, const char *path, int error, 90 int closed, struct evbuffer *buffer, void *data) 91 { 92 struct cmd_source_file_data *cdata = data; 93 struct cmdq_item *item = cdata->item; 94 void *bdata = EVBUFFER_DATA(buffer); 95 size_t bsize = EVBUFFER_LENGTH(buffer); 96 u_int n; 97 struct cmdq_item *new_item; 98 struct cmd_find_state *target = cmdq_get_target(item); 99 100 if (!closed) 101 return; 102 103 if (error != 0) 104 cmdq_error(item, "%s: %s", path, strerror(error)); 105 else if (bsize != 0) { 106 if (load_cfg_from_buffer(bdata, bsize, path, c, cdata->after, 107 target, cdata->flags, &new_item) < 0) 108 cdata->retval = CMD_RETURN_ERROR; 109 else if (new_item != NULL) 110 cdata->after = new_item; 111 } 112 113 n = ++cdata->current; 114 if (n < cdata->nfiles) 115 file_read(c, cdata->files[n], cmd_source_file_done, cdata); 116 else { 117 cmd_source_file_complete(c, cdata); 118 cmdq_continue(item); 119 } 120 } 121 122 static void 123 cmd_source_file_add(struct cmd_source_file_data *cdata, const char *path) 124 { 125 log_debug("%s: %s", __func__, path); 126 cdata->files = xreallocarray(cdata->files, cdata->nfiles + 1, 127 sizeof *cdata->files); 128 cdata->files[cdata->nfiles++] = xstrdup(path); 129 } 130 131 static enum cmd_retval 132 cmd_source_file_exec(struct cmd *self, struct cmdq_item *item) 133 { 134 struct args *args = cmd_get_args(self); 135 struct cmd_source_file_data *cdata; 136 struct client *c = cmdq_get_client(item); 137 enum cmd_retval retval = CMD_RETURN_NORMAL; 138 char *pattern, *cwd, *expanded = NULL; 139 const char *path, *error; 140 glob_t g; 141 int result; 142 u_int i, j; 143 144 cdata = xcalloc(1, sizeof *cdata); 145 cdata->item = item; 146 147 if (args_has(args, 'q')) 148 cdata->flags |= CMD_PARSE_QUIET; 149 if (args_has(args, 'n')) 150 cdata->flags |= CMD_PARSE_PARSEONLY; 151 if (args_has(args, 'v')) 152 cdata->flags |= CMD_PARSE_VERBOSE; 153 154 utf8_stravis(&cwd, server_client_get_cwd(c, NULL), VIS_GLOB); 155 156 for (i = 0; i < args_count(args); i++) { 157 path = args_string(args, i); 158 if (args_has(args, 'F')) { 159 free(expanded); 160 expanded = format_single_from_target(item, path); 161 path = expanded; 162 } 163 if (strcmp(path, "-") == 0) { 164 cmd_source_file_add(cdata, "-"); 165 continue; 166 } 167 168 if (*path == '/') 169 pattern = xstrdup(path); 170 else 171 xasprintf(&pattern, "%s/%s", cwd, path); 172 log_debug("%s: %s", __func__, pattern); 173 174 if ((result = glob(pattern, 0, NULL, &g)) != 0) { 175 if (result != GLOB_NOMATCH || 176 (~cdata->flags & CMD_PARSE_QUIET)) { 177 if (result == GLOB_NOMATCH) 178 error = strerror(ENOENT); 179 else if (result == GLOB_NOSPACE) 180 error = strerror(ENOMEM); 181 else 182 error = strerror(EINVAL); 183 cmdq_error(item, "%s: %s", path, error); 184 retval = CMD_RETURN_ERROR; 185 } 186 globfree(&g); 187 free(pattern); 188 continue; 189 } 190 free(pattern); 191 192 for (j = 0; j < g.gl_pathc; j++) 193 cmd_source_file_add(cdata, g.gl_pathv[j]); 194 globfree(&g); 195 } 196 free(expanded); 197 198 cdata->after = item; 199 cdata->retval = retval; 200 201 if (cdata->nfiles != 0) { 202 file_read(c, cdata->files[0], cmd_source_file_done, cdata); 203 retval = CMD_RETURN_WAIT; 204 } else 205 cmd_source_file_complete(c, cdata); 206 207 free(cwd); 208 return (retval); 209 } 210