1 /* $OpenBSD: cmd-source-file.c,v 1.55 2024/10/12 08:20:32 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 char resolved[PATH_MAX]; 126 127 if (realpath(path, resolved) == NULL) { 128 log_debug("%s: realpath(\"%s\") failed: %s", __func__, 129 path, strerror(errno)); 130 } else 131 path = resolved; 132 133 log_debug("%s: %s", __func__, path); 134 cdata->files = xreallocarray(cdata->files, cdata->nfiles + 1, 135 sizeof *cdata->files); 136 cdata->files[cdata->nfiles++] = xstrdup(path); 137 } 138 139 static enum cmd_retval 140 cmd_source_file_exec(struct cmd *self, struct cmdq_item *item) 141 { 142 struct args *args = cmd_get_args(self); 143 struct cmd_source_file_data *cdata; 144 struct client *c = cmdq_get_client(item); 145 enum cmd_retval retval = CMD_RETURN_NORMAL; 146 char *pattern, *cwd, *expanded = NULL; 147 const char *path, *error; 148 glob_t g; 149 int result; 150 u_int i, j; 151 152 cdata = xcalloc(1, sizeof *cdata); 153 cdata->item = item; 154 155 if (args_has(args, 'q')) 156 cdata->flags |= CMD_PARSE_QUIET; 157 if (args_has(args, 'n')) 158 cdata->flags |= CMD_PARSE_PARSEONLY; 159 if (args_has(args, 'v')) 160 cdata->flags |= CMD_PARSE_VERBOSE; 161 162 utf8_stravis(&cwd, server_client_get_cwd(c, NULL), VIS_GLOB); 163 164 for (i = 0; i < args_count(args); i++) { 165 path = args_string(args, i); 166 if (args_has(args, 'F')) { 167 free(expanded); 168 expanded = format_single_from_target(item, path); 169 path = expanded; 170 } 171 if (strcmp(path, "-") == 0) { 172 cmd_source_file_add(cdata, "-"); 173 continue; 174 } 175 176 if (*path == '/') 177 pattern = xstrdup(path); 178 else 179 xasprintf(&pattern, "%s/%s", cwd, path); 180 log_debug("%s: %s", __func__, pattern); 181 182 if ((result = glob(pattern, 0, NULL, &g)) != 0) { 183 if (result != GLOB_NOMATCH || 184 (~cdata->flags & CMD_PARSE_QUIET)) { 185 if (result == GLOB_NOMATCH) 186 error = strerror(ENOENT); 187 else if (result == GLOB_NOSPACE) 188 error = strerror(ENOMEM); 189 else 190 error = strerror(EINVAL); 191 cmdq_error(item, "%s: %s", path, error); 192 retval = CMD_RETURN_ERROR; 193 } 194 globfree(&g); 195 free(pattern); 196 continue; 197 } 198 free(pattern); 199 200 for (j = 0; j < g.gl_pathc; j++) 201 cmd_source_file_add(cdata, g.gl_pathv[j]); 202 globfree(&g); 203 } 204 free(expanded); 205 206 cdata->after = item; 207 cdata->retval = retval; 208 209 if (cdata->nfiles != 0) { 210 file_read(c, cdata->files[0], cmd_source_file_done, cdata); 211 retval = CMD_RETURN_WAIT; 212 } else 213 cmd_source_file_complete(c, cdata); 214 215 free(cwd); 216 return (retval); 217 } 218