13914ddf8SEdward Tomasz Napierala /*- 23914ddf8SEdward Tomasz Napierala * Copyright (c) 2014 The FreeBSD Foundation 33914ddf8SEdward Tomasz Napierala * All rights reserved. 43914ddf8SEdward Tomasz Napierala * 53914ddf8SEdward Tomasz Napierala * This software was developed by Edward Tomasz Napierala under sponsorship 63914ddf8SEdward Tomasz Napierala * from the FreeBSD Foundation. 73914ddf8SEdward Tomasz Napierala * 83914ddf8SEdward Tomasz Napierala * Redistribution and use in source and binary forms, with or without 93914ddf8SEdward Tomasz Napierala * modification, are permitted provided that the following conditions 103914ddf8SEdward Tomasz Napierala * are met: 113914ddf8SEdward Tomasz Napierala * 1. Redistributions of source code must retain the above copyright 123914ddf8SEdward Tomasz Napierala * notice, this list of conditions and the following disclaimer. 133914ddf8SEdward Tomasz Napierala * 2. Redistributions in binary form must reproduce the above copyright 143914ddf8SEdward Tomasz Napierala * notice, this list of conditions and the following disclaimer in the 153914ddf8SEdward Tomasz Napierala * documentation and/or other materials provided with the distribution. 163914ddf8SEdward Tomasz Napierala * 173914ddf8SEdward Tomasz Napierala * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 183914ddf8SEdward Tomasz Napierala * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 193914ddf8SEdward Tomasz Napierala * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 203914ddf8SEdward Tomasz Napierala * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 213914ddf8SEdward Tomasz Napierala * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 223914ddf8SEdward Tomasz Napierala * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 233914ddf8SEdward Tomasz Napierala * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 243914ddf8SEdward Tomasz Napierala * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 253914ddf8SEdward Tomasz Napierala * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 263914ddf8SEdward Tomasz Napierala * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 273914ddf8SEdward Tomasz Napierala * SUCH DAMAGE. 283914ddf8SEdward Tomasz Napierala * 293914ddf8SEdward Tomasz Napierala */ 303914ddf8SEdward Tomasz Napierala 31925fd945SEdward Tomasz Napierala #include <sys/cdefs.h> 32925fd945SEdward Tomasz Napierala __FBSDID("$FreeBSD$"); 33925fd945SEdward Tomasz Napierala 343914ddf8SEdward Tomasz Napierala #include <sys/types.h> 353914ddf8SEdward Tomasz Napierala #include <sys/time.h> 363914ddf8SEdward Tomasz Napierala #include <sys/ioctl.h> 373914ddf8SEdward Tomasz Napierala #include <sys/param.h> 383914ddf8SEdward Tomasz Napierala #include <sys/linker.h> 393914ddf8SEdward Tomasz Napierala #include <sys/mount.h> 403914ddf8SEdward Tomasz Napierala #include <sys/socket.h> 413914ddf8SEdward Tomasz Napierala #include <sys/stat.h> 423914ddf8SEdward Tomasz Napierala #include <sys/wait.h> 433914ddf8SEdward Tomasz Napierala #include <sys/utsname.h> 443914ddf8SEdward Tomasz Napierala #include <assert.h> 453914ddf8SEdward Tomasz Napierala #include <ctype.h> 463914ddf8SEdward Tomasz Napierala #include <err.h> 473914ddf8SEdward Tomasz Napierala #include <errno.h> 483914ddf8SEdward Tomasz Napierala #include <fcntl.h> 493914ddf8SEdward Tomasz Napierala #include <libgen.h> 503914ddf8SEdward Tomasz Napierala #include <netdb.h> 513914ddf8SEdward Tomasz Napierala #include <paths.h> 523914ddf8SEdward Tomasz Napierala #include <signal.h> 533914ddf8SEdward Tomasz Napierala #include <stdbool.h> 543914ddf8SEdward Tomasz Napierala #include <stdint.h> 553914ddf8SEdward Tomasz Napierala #include <stdio.h> 563914ddf8SEdward Tomasz Napierala #include <stdlib.h> 573914ddf8SEdward Tomasz Napierala #include <string.h> 583914ddf8SEdward Tomasz Napierala #include <unistd.h> 593914ddf8SEdward Tomasz Napierala 603914ddf8SEdward Tomasz Napierala #include <libutil.h> 613914ddf8SEdward Tomasz Napierala 623914ddf8SEdward Tomasz Napierala #include "autofs_ioctl.h" 633914ddf8SEdward Tomasz Napierala 643914ddf8SEdward Tomasz Napierala #include "common.h" 653914ddf8SEdward Tomasz Napierala 663914ddf8SEdward Tomasz Napierala extern FILE *yyin; 673914ddf8SEdward Tomasz Napierala extern char *yytext; 683914ddf8SEdward Tomasz Napierala extern int yylex(void); 693914ddf8SEdward Tomasz Napierala 703914ddf8SEdward Tomasz Napierala static void parse_master_yyin(struct node *root, const char *master); 713914ddf8SEdward Tomasz Napierala static void parse_map_yyin(struct node *parent, const char *map, 723914ddf8SEdward Tomasz Napierala const char *executable_key); 733914ddf8SEdward Tomasz Napierala 743914ddf8SEdward Tomasz Napierala char * 753914ddf8SEdward Tomasz Napierala checked_strdup(const char *s) 763914ddf8SEdward Tomasz Napierala { 773914ddf8SEdward Tomasz Napierala char *c; 783914ddf8SEdward Tomasz Napierala 793914ddf8SEdward Tomasz Napierala assert(s != NULL); 803914ddf8SEdward Tomasz Napierala 813914ddf8SEdward Tomasz Napierala c = strdup(s); 823914ddf8SEdward Tomasz Napierala if (c == NULL) 833914ddf8SEdward Tomasz Napierala log_err(1, "strdup"); 843914ddf8SEdward Tomasz Napierala return (c); 853914ddf8SEdward Tomasz Napierala } 863914ddf8SEdward Tomasz Napierala 873914ddf8SEdward Tomasz Napierala /* 883914ddf8SEdward Tomasz Napierala * Take two pointers to strings, concatenate the contents with "/" in the 893914ddf8SEdward Tomasz Napierala * middle, make the first pointer point to the result, the second pointer 903914ddf8SEdward Tomasz Napierala * to NULL, and free the old strings. 913914ddf8SEdward Tomasz Napierala * 923914ddf8SEdward Tomasz Napierala * Concatenate pathnames, basically. 933914ddf8SEdward Tomasz Napierala */ 943914ddf8SEdward Tomasz Napierala static void 953914ddf8SEdward Tomasz Napierala concat(char **p1, char **p2) 963914ddf8SEdward Tomasz Napierala { 973914ddf8SEdward Tomasz Napierala int ret; 983914ddf8SEdward Tomasz Napierala char *path; 993914ddf8SEdward Tomasz Napierala 1003914ddf8SEdward Tomasz Napierala assert(p1 != NULL); 1013914ddf8SEdward Tomasz Napierala assert(p2 != NULL); 1023914ddf8SEdward Tomasz Napierala 1033914ddf8SEdward Tomasz Napierala if (*p1 == NULL) 1043914ddf8SEdward Tomasz Napierala *p1 = checked_strdup(""); 1053914ddf8SEdward Tomasz Napierala 1063914ddf8SEdward Tomasz Napierala if (*p2 == NULL) 1073914ddf8SEdward Tomasz Napierala *p2 = checked_strdup(""); 1083914ddf8SEdward Tomasz Napierala 1093914ddf8SEdward Tomasz Napierala ret = asprintf(&path, "%s/%s", *p1, *p2); 1103914ddf8SEdward Tomasz Napierala if (ret < 0) 1113914ddf8SEdward Tomasz Napierala log_err(1, "asprintf"); 1123914ddf8SEdward Tomasz Napierala 1133914ddf8SEdward Tomasz Napierala /* 1143914ddf8SEdward Tomasz Napierala * XXX 1153914ddf8SEdward Tomasz Napierala */ 1163914ddf8SEdward Tomasz Napierala //free(*p1); 1173914ddf8SEdward Tomasz Napierala //free(*p2); 1183914ddf8SEdward Tomasz Napierala 1193914ddf8SEdward Tomasz Napierala *p1 = path; 1203914ddf8SEdward Tomasz Napierala *p2 = NULL; 1213914ddf8SEdward Tomasz Napierala } 1223914ddf8SEdward Tomasz Napierala 1233914ddf8SEdward Tomasz Napierala /* 1243914ddf8SEdward Tomasz Napierala * Concatenate two strings, inserting separator between them, unless not needed. 1253914ddf8SEdward Tomasz Napierala * 1263914ddf8SEdward Tomasz Napierala * This function is very convenient to use when you do not care about freeing 1273914ddf8SEdward Tomasz Napierala * memory - which is okay here, because we are a short running process. 1283914ddf8SEdward Tomasz Napierala */ 1293914ddf8SEdward Tomasz Napierala char * 1303914ddf8SEdward Tomasz Napierala separated_concat(const char *s1, const char *s2, char separator) 1313914ddf8SEdward Tomasz Napierala { 1323914ddf8SEdward Tomasz Napierala char *result; 1333914ddf8SEdward Tomasz Napierala int ret; 1343914ddf8SEdward Tomasz Napierala 1353914ddf8SEdward Tomasz Napierala assert(s1 != NULL); 1363914ddf8SEdward Tomasz Napierala assert(s2 != NULL); 1373914ddf8SEdward Tomasz Napierala 1383914ddf8SEdward Tomasz Napierala if (s1[0] == '\0' || s2[0] == '\0' || 1393914ddf8SEdward Tomasz Napierala s1[strlen(s1) - 1] == separator || s2[0] == separator) { 1403914ddf8SEdward Tomasz Napierala ret = asprintf(&result, "%s%s", s1, s2); 1413914ddf8SEdward Tomasz Napierala } else { 1423914ddf8SEdward Tomasz Napierala ret = asprintf(&result, "%s%c%s", s1, separator, s2); 1433914ddf8SEdward Tomasz Napierala } 1443914ddf8SEdward Tomasz Napierala if (ret < 0) 1453914ddf8SEdward Tomasz Napierala log_err(1, "asprintf"); 1463914ddf8SEdward Tomasz Napierala 1473914ddf8SEdward Tomasz Napierala //log_debugx("separated_concat: got %s and %s, returning %s", s1, s2, result); 1483914ddf8SEdward Tomasz Napierala 1493914ddf8SEdward Tomasz Napierala return (result); 1503914ddf8SEdward Tomasz Napierala } 1513914ddf8SEdward Tomasz Napierala 1523914ddf8SEdward Tomasz Napierala void 1533914ddf8SEdward Tomasz Napierala create_directory(const char *path) 1543914ddf8SEdward Tomasz Napierala { 1553914ddf8SEdward Tomasz Napierala char *component, *copy, *tofree, *partial; 1563914ddf8SEdward Tomasz Napierala int error; 1573914ddf8SEdward Tomasz Napierala 1583914ddf8SEdward Tomasz Napierala assert(path[0] == '/'); 1593914ddf8SEdward Tomasz Napierala 1603914ddf8SEdward Tomasz Napierala /* 1613914ddf8SEdward Tomasz Napierala * +1 to skip the leading slash. 1623914ddf8SEdward Tomasz Napierala */ 1633914ddf8SEdward Tomasz Napierala copy = tofree = checked_strdup(path + 1); 1643914ddf8SEdward Tomasz Napierala 1653914ddf8SEdward Tomasz Napierala partial = NULL; 1663914ddf8SEdward Tomasz Napierala for (;;) { 1673914ddf8SEdward Tomasz Napierala component = strsep(©, "/"); 1683914ddf8SEdward Tomasz Napierala if (component == NULL) 1693914ddf8SEdward Tomasz Napierala break; 1703914ddf8SEdward Tomasz Napierala concat(&partial, &component); 1713914ddf8SEdward Tomasz Napierala //log_debugx("checking \"%s\" for existence", partial); 1723914ddf8SEdward Tomasz Napierala error = access(partial, F_OK); 1733914ddf8SEdward Tomasz Napierala if (error == 0) 1743914ddf8SEdward Tomasz Napierala continue; 1753914ddf8SEdward Tomasz Napierala if (errno != ENOENT) 1763914ddf8SEdward Tomasz Napierala log_err(1, "cannot access %s", partial); 1773914ddf8SEdward Tomasz Napierala log_debugx("directory %s does not exist, creating", 1783914ddf8SEdward Tomasz Napierala partial); 1793914ddf8SEdward Tomasz Napierala error = mkdir(partial, 0755); 1803914ddf8SEdward Tomasz Napierala if (error != 0) 1813914ddf8SEdward Tomasz Napierala log_err(1, "cannot create %s", partial); 1823914ddf8SEdward Tomasz Napierala } 1833914ddf8SEdward Tomasz Napierala 1843914ddf8SEdward Tomasz Napierala free(tofree); 1853914ddf8SEdward Tomasz Napierala } 1863914ddf8SEdward Tomasz Napierala 1873914ddf8SEdward Tomasz Napierala struct node * 1883914ddf8SEdward Tomasz Napierala node_new_root(void) 1893914ddf8SEdward Tomasz Napierala { 1903914ddf8SEdward Tomasz Napierala struct node *n; 1913914ddf8SEdward Tomasz Napierala 1923914ddf8SEdward Tomasz Napierala n = calloc(1, sizeof(*n)); 1933914ddf8SEdward Tomasz Napierala if (n == NULL) 1943914ddf8SEdward Tomasz Napierala log_err(1, "calloc"); 1953914ddf8SEdward Tomasz Napierala // XXX 1963914ddf8SEdward Tomasz Napierala n->n_key = checked_strdup("/"); 1973914ddf8SEdward Tomasz Napierala n->n_options = checked_strdup(""); 1983914ddf8SEdward Tomasz Napierala 1993914ddf8SEdward Tomasz Napierala TAILQ_INIT(&n->n_children); 2003914ddf8SEdward Tomasz Napierala 2013914ddf8SEdward Tomasz Napierala return (n); 2023914ddf8SEdward Tomasz Napierala } 2033914ddf8SEdward Tomasz Napierala 2043914ddf8SEdward Tomasz Napierala struct node * 2053914ddf8SEdward Tomasz Napierala node_new(struct node *parent, char *key, char *options, char *location, 2063914ddf8SEdward Tomasz Napierala const char *config_file, int config_line) 2073914ddf8SEdward Tomasz Napierala { 2083914ddf8SEdward Tomasz Napierala struct node *n; 2093914ddf8SEdward Tomasz Napierala 2103914ddf8SEdward Tomasz Napierala n = calloc(1, sizeof(*n)); 2113914ddf8SEdward Tomasz Napierala if (n == NULL) 2123914ddf8SEdward Tomasz Napierala log_err(1, "calloc"); 2133914ddf8SEdward Tomasz Napierala 2143914ddf8SEdward Tomasz Napierala TAILQ_INIT(&n->n_children); 2153914ddf8SEdward Tomasz Napierala assert(key != NULL); 2163914ddf8SEdward Tomasz Napierala n->n_key = key; 2173914ddf8SEdward Tomasz Napierala if (options != NULL) 2183914ddf8SEdward Tomasz Napierala n->n_options = options; 2193914ddf8SEdward Tomasz Napierala else 2203914ddf8SEdward Tomasz Napierala n->n_options = strdup(""); 2213914ddf8SEdward Tomasz Napierala n->n_location = location; 2223914ddf8SEdward Tomasz Napierala assert(config_file != NULL); 2233914ddf8SEdward Tomasz Napierala n->n_config_file = config_file; 2243914ddf8SEdward Tomasz Napierala assert(config_line >= 0); 2253914ddf8SEdward Tomasz Napierala n->n_config_line = config_line; 2263914ddf8SEdward Tomasz Napierala 2273914ddf8SEdward Tomasz Napierala assert(parent != NULL); 2283914ddf8SEdward Tomasz Napierala n->n_parent = parent; 2293914ddf8SEdward Tomasz Napierala TAILQ_INSERT_TAIL(&parent->n_children, n, n_next); 2303914ddf8SEdward Tomasz Napierala 2313914ddf8SEdward Tomasz Napierala return (n); 2323914ddf8SEdward Tomasz Napierala } 2333914ddf8SEdward Tomasz Napierala 2343914ddf8SEdward Tomasz Napierala struct node * 2353914ddf8SEdward Tomasz Napierala node_new_map(struct node *parent, char *key, char *options, char *map, 2363914ddf8SEdward Tomasz Napierala const char *config_file, int config_line) 2373914ddf8SEdward Tomasz Napierala { 2383914ddf8SEdward Tomasz Napierala struct node *n; 2393914ddf8SEdward Tomasz Napierala 2403914ddf8SEdward Tomasz Napierala n = calloc(1, sizeof(*n)); 2413914ddf8SEdward Tomasz Napierala if (n == NULL) 2423914ddf8SEdward Tomasz Napierala log_err(1, "calloc"); 2433914ddf8SEdward Tomasz Napierala 2443914ddf8SEdward Tomasz Napierala TAILQ_INIT(&n->n_children); 2453914ddf8SEdward Tomasz Napierala assert(key != NULL); 2463914ddf8SEdward Tomasz Napierala n->n_key = key; 2473914ddf8SEdward Tomasz Napierala if (options != NULL) 2483914ddf8SEdward Tomasz Napierala n->n_options = options; 2493914ddf8SEdward Tomasz Napierala else 2503914ddf8SEdward Tomasz Napierala n->n_options = strdup(""); 2513914ddf8SEdward Tomasz Napierala n->n_map = map; 2523914ddf8SEdward Tomasz Napierala assert(config_file != NULL); 2533914ddf8SEdward Tomasz Napierala n->n_config_file = config_file; 2543914ddf8SEdward Tomasz Napierala assert(config_line >= 0); 2553914ddf8SEdward Tomasz Napierala n->n_config_line = config_line; 2563914ddf8SEdward Tomasz Napierala 2573914ddf8SEdward Tomasz Napierala assert(parent != NULL); 2583914ddf8SEdward Tomasz Napierala n->n_parent = parent; 2593914ddf8SEdward Tomasz Napierala TAILQ_INSERT_TAIL(&parent->n_children, n, n_next); 2603914ddf8SEdward Tomasz Napierala 2613914ddf8SEdward Tomasz Napierala return (n); 2623914ddf8SEdward Tomasz Napierala } 2633914ddf8SEdward Tomasz Napierala 2643914ddf8SEdward Tomasz Napierala static struct node * 2653914ddf8SEdward Tomasz Napierala node_duplicate(const struct node *o, struct node *parent) 2663914ddf8SEdward Tomasz Napierala { 2673914ddf8SEdward Tomasz Napierala const struct node *child; 2683914ddf8SEdward Tomasz Napierala struct node *n; 2693914ddf8SEdward Tomasz Napierala 2703914ddf8SEdward Tomasz Napierala if (parent == NULL) 2713914ddf8SEdward Tomasz Napierala parent = o->n_parent; 2723914ddf8SEdward Tomasz Napierala 2733914ddf8SEdward Tomasz Napierala n = node_new(parent, o->n_key, o->n_options, o->n_location, 2743914ddf8SEdward Tomasz Napierala o->n_config_file, o->n_config_line); 2753914ddf8SEdward Tomasz Napierala 2763914ddf8SEdward Tomasz Napierala TAILQ_FOREACH(child, &o->n_children, n_next) 2773914ddf8SEdward Tomasz Napierala node_duplicate(child, n); 2783914ddf8SEdward Tomasz Napierala 2793914ddf8SEdward Tomasz Napierala return (n); 2803914ddf8SEdward Tomasz Napierala } 2813914ddf8SEdward Tomasz Napierala 2823914ddf8SEdward Tomasz Napierala static void 2833914ddf8SEdward Tomasz Napierala node_delete(struct node *n) 2843914ddf8SEdward Tomasz Napierala { 2853914ddf8SEdward Tomasz Napierala struct node *child, *tmp; 2863914ddf8SEdward Tomasz Napierala 2873914ddf8SEdward Tomasz Napierala assert (n != NULL); 2883914ddf8SEdward Tomasz Napierala 2893914ddf8SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(child, &n->n_children, n_next, tmp) 2903914ddf8SEdward Tomasz Napierala node_delete(child); 2913914ddf8SEdward Tomasz Napierala 2923914ddf8SEdward Tomasz Napierala if (n->n_parent != NULL) 2933914ddf8SEdward Tomasz Napierala TAILQ_REMOVE(&n->n_parent->n_children, n, n_next); 2943914ddf8SEdward Tomasz Napierala 2953914ddf8SEdward Tomasz Napierala free(n); 2963914ddf8SEdward Tomasz Napierala } 2973914ddf8SEdward Tomasz Napierala 2983914ddf8SEdward Tomasz Napierala /* 2993914ddf8SEdward Tomasz Napierala * Move (reparent) node 'n' to make it sibling of 'previous', placed 3003914ddf8SEdward Tomasz Napierala * just after it. 3013914ddf8SEdward Tomasz Napierala */ 3023914ddf8SEdward Tomasz Napierala static void 3033914ddf8SEdward Tomasz Napierala node_move_after(struct node *n, struct node *previous) 3043914ddf8SEdward Tomasz Napierala { 3053914ddf8SEdward Tomasz Napierala 3063914ddf8SEdward Tomasz Napierala TAILQ_REMOVE(&n->n_parent->n_children, n, n_next); 3073914ddf8SEdward Tomasz Napierala n->n_parent = previous->n_parent; 3083914ddf8SEdward Tomasz Napierala TAILQ_INSERT_AFTER(&previous->n_parent->n_children, previous, n, n_next); 3093914ddf8SEdward Tomasz Napierala } 3103914ddf8SEdward Tomasz Napierala 3113914ddf8SEdward Tomasz Napierala static void 3123914ddf8SEdward Tomasz Napierala node_expand_includes(struct node *root, bool is_master) 3133914ddf8SEdward Tomasz Napierala { 3143914ddf8SEdward Tomasz Napierala struct node *n, *n2, *tmp, *tmp2, *tmproot; 3153914ddf8SEdward Tomasz Napierala int error; 3163914ddf8SEdward Tomasz Napierala 3173914ddf8SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(n, &root->n_children, n_next, tmp) { 3183914ddf8SEdward Tomasz Napierala if (n->n_key[0] != '+') 3193914ddf8SEdward Tomasz Napierala continue; 3203914ddf8SEdward Tomasz Napierala 3213914ddf8SEdward Tomasz Napierala error = access(AUTO_INCLUDE_PATH, F_OK); 3223914ddf8SEdward Tomasz Napierala if (error != 0) { 3233914ddf8SEdward Tomasz Napierala log_errx(1, "directory services not configured; " 3243914ddf8SEdward Tomasz Napierala "%s does not exist", AUTO_INCLUDE_PATH); 3253914ddf8SEdward Tomasz Napierala } 3263914ddf8SEdward Tomasz Napierala 3273914ddf8SEdward Tomasz Napierala /* 3283914ddf8SEdward Tomasz Napierala * "+1" to skip leading "+". 3293914ddf8SEdward Tomasz Napierala */ 3303914ddf8SEdward Tomasz Napierala yyin = auto_popen(AUTO_INCLUDE_PATH, n->n_key + 1, NULL); 3313914ddf8SEdward Tomasz Napierala assert(yyin != NULL); 3323914ddf8SEdward Tomasz Napierala 3333914ddf8SEdward Tomasz Napierala tmproot = node_new_root(); 3343914ddf8SEdward Tomasz Napierala if (is_master) 3353914ddf8SEdward Tomasz Napierala parse_master_yyin(tmproot, n->n_key); 3363914ddf8SEdward Tomasz Napierala else 3373914ddf8SEdward Tomasz Napierala parse_map_yyin(tmproot, n->n_key, NULL); 3383914ddf8SEdward Tomasz Napierala 3393914ddf8SEdward Tomasz Napierala error = auto_pclose(yyin); 3403914ddf8SEdward Tomasz Napierala yyin = NULL; 3413914ddf8SEdward Tomasz Napierala if (error != 0) { 3423914ddf8SEdward Tomasz Napierala log_errx(1, "failed to handle include \"%s\"", 3433914ddf8SEdward Tomasz Napierala n->n_key); 3443914ddf8SEdward Tomasz Napierala } 3453914ddf8SEdward Tomasz Napierala 3463914ddf8SEdward Tomasz Napierala /* 3473914ddf8SEdward Tomasz Napierala * Entries to be included are now in tmproot. We need to merge 3483914ddf8SEdward Tomasz Napierala * them with the rest, preserving their place and ordering. 3493914ddf8SEdward Tomasz Napierala */ 3503914ddf8SEdward Tomasz Napierala TAILQ_FOREACH_REVERSE_SAFE(n2, 3513914ddf8SEdward Tomasz Napierala &tmproot->n_children, nodehead, n_next, tmp2) { 3523914ddf8SEdward Tomasz Napierala node_move_after(n2, n); 3533914ddf8SEdward Tomasz Napierala } 3543914ddf8SEdward Tomasz Napierala 3553914ddf8SEdward Tomasz Napierala node_delete(n); 3563914ddf8SEdward Tomasz Napierala node_delete(tmproot); 3573914ddf8SEdward Tomasz Napierala } 3583914ddf8SEdward Tomasz Napierala } 3593914ddf8SEdward Tomasz Napierala 3603914ddf8SEdward Tomasz Napierala static char * 3613914ddf8SEdward Tomasz Napierala expand_ampersand(char *string, const char *key) 3623914ddf8SEdward Tomasz Napierala { 3633914ddf8SEdward Tomasz Napierala char c, *expanded; 3643914ddf8SEdward Tomasz Napierala int i, ret, before_len = 0; 3653914ddf8SEdward Tomasz Napierala bool backslashed = false; 3663914ddf8SEdward Tomasz Napierala 3673914ddf8SEdward Tomasz Napierala assert(key[0] != '\0'); 3683914ddf8SEdward Tomasz Napierala 3693914ddf8SEdward Tomasz Napierala expanded = checked_strdup(string); 3703914ddf8SEdward Tomasz Napierala 3713914ddf8SEdward Tomasz Napierala for (i = 0; string[i] != '\0'; i++) { 3723914ddf8SEdward Tomasz Napierala c = string[i]; 3733914ddf8SEdward Tomasz Napierala if (c == '\\' && backslashed == false) { 3743914ddf8SEdward Tomasz Napierala backslashed = true; 3753914ddf8SEdward Tomasz Napierala continue; 3763914ddf8SEdward Tomasz Napierala } 3773914ddf8SEdward Tomasz Napierala if (backslashed) { 3783914ddf8SEdward Tomasz Napierala backslashed = false; 3793914ddf8SEdward Tomasz Napierala continue; 3803914ddf8SEdward Tomasz Napierala } 3813914ddf8SEdward Tomasz Napierala backslashed = false; 3823914ddf8SEdward Tomasz Napierala if (c != '&') 3833914ddf8SEdward Tomasz Napierala continue; 3843914ddf8SEdward Tomasz Napierala 3853914ddf8SEdward Tomasz Napierala /* 3863914ddf8SEdward Tomasz Napierala * The 'before_len' variable contains the number 3873914ddf8SEdward Tomasz Napierala * of characters before the '&'. 3883914ddf8SEdward Tomasz Napierala */ 3893914ddf8SEdward Tomasz Napierala before_len = i; 3903914ddf8SEdward Tomasz Napierala //assert(i + 1 < (int)strlen(string)); 3913914ddf8SEdward Tomasz Napierala 3923914ddf8SEdward Tomasz Napierala ret = asprintf(&expanded, "%.*s%s%s", 3933914ddf8SEdward Tomasz Napierala before_len, string, key, string + before_len + 1); 3943914ddf8SEdward Tomasz Napierala if (ret < 0) 3953914ddf8SEdward Tomasz Napierala log_err(1, "asprintf"); 3963914ddf8SEdward Tomasz Napierala 3973914ddf8SEdward Tomasz Napierala //log_debugx("\"%s\" expanded with key \"%s\" to \"%s\"", 3983914ddf8SEdward Tomasz Napierala // string, key, expanded); 3993914ddf8SEdward Tomasz Napierala 4003914ddf8SEdward Tomasz Napierala /* 4013914ddf8SEdward Tomasz Napierala * Figure out where to start searching for next variable. 4023914ddf8SEdward Tomasz Napierala */ 4033914ddf8SEdward Tomasz Napierala string = expanded; 4043914ddf8SEdward Tomasz Napierala i = before_len + strlen(key); 4053914ddf8SEdward Tomasz Napierala backslashed = false; 4063914ddf8SEdward Tomasz Napierala //assert(i < (int)strlen(string)); 4073914ddf8SEdward Tomasz Napierala } 4083914ddf8SEdward Tomasz Napierala 4093914ddf8SEdward Tomasz Napierala return (expanded); 4103914ddf8SEdward Tomasz Napierala } 4113914ddf8SEdward Tomasz Napierala 4123914ddf8SEdward Tomasz Napierala /* 4133914ddf8SEdward Tomasz Napierala * Expand "&" in n_location. If the key is NULL, try to use 4143914ddf8SEdward Tomasz Napierala * key from map entries themselves. Keep in mind that maps 4153914ddf8SEdward Tomasz Napierala * consist of tho levels of node structures, the key is one 4163914ddf8SEdward Tomasz Napierala * level up. 4173914ddf8SEdward Tomasz Napierala * 4183914ddf8SEdward Tomasz Napierala * Variant with NULL key is for "automount -LL". 4193914ddf8SEdward Tomasz Napierala */ 4203914ddf8SEdward Tomasz Napierala void 4213914ddf8SEdward Tomasz Napierala node_expand_ampersand(struct node *n, const char *key) 4223914ddf8SEdward Tomasz Napierala { 4233914ddf8SEdward Tomasz Napierala struct node *child; 4243914ddf8SEdward Tomasz Napierala 4253914ddf8SEdward Tomasz Napierala if (n->n_location != NULL) { 4263914ddf8SEdward Tomasz Napierala if (key == NULL) { 4273914ddf8SEdward Tomasz Napierala if (n->n_parent != NULL && 4283914ddf8SEdward Tomasz Napierala strcmp(n->n_parent->n_key, "*") != 0) { 4293914ddf8SEdward Tomasz Napierala n->n_location = expand_ampersand(n->n_location, 4303914ddf8SEdward Tomasz Napierala n->n_parent->n_key); 4313914ddf8SEdward Tomasz Napierala } 4323914ddf8SEdward Tomasz Napierala } else { 4333914ddf8SEdward Tomasz Napierala n->n_location = expand_ampersand(n->n_location, key); 4343914ddf8SEdward Tomasz Napierala } 4353914ddf8SEdward Tomasz Napierala } 4363914ddf8SEdward Tomasz Napierala 4373914ddf8SEdward Tomasz Napierala TAILQ_FOREACH(child, &n->n_children, n_next) 4383914ddf8SEdward Tomasz Napierala node_expand_ampersand(child, key); 4393914ddf8SEdward Tomasz Napierala } 4403914ddf8SEdward Tomasz Napierala 4413914ddf8SEdward Tomasz Napierala /* 4423914ddf8SEdward Tomasz Napierala * Expand "*" in n_key. 4433914ddf8SEdward Tomasz Napierala */ 4443914ddf8SEdward Tomasz Napierala void 4453914ddf8SEdward Tomasz Napierala node_expand_wildcard(struct node *n, const char *key) 4463914ddf8SEdward Tomasz Napierala { 4473914ddf8SEdward Tomasz Napierala struct node *child, *expanded; 4483914ddf8SEdward Tomasz Napierala 4493914ddf8SEdward Tomasz Napierala assert(key != NULL); 4503914ddf8SEdward Tomasz Napierala 4513914ddf8SEdward Tomasz Napierala if (strcmp(n->n_key, "*") == 0) { 4523914ddf8SEdward Tomasz Napierala expanded = node_duplicate(n, NULL); 4533914ddf8SEdward Tomasz Napierala expanded->n_key = checked_strdup(key); 4543914ddf8SEdward Tomasz Napierala node_move_after(expanded, n); 4553914ddf8SEdward Tomasz Napierala } 4563914ddf8SEdward Tomasz Napierala 4573914ddf8SEdward Tomasz Napierala TAILQ_FOREACH(child, &n->n_children, n_next) 4583914ddf8SEdward Tomasz Napierala node_expand_wildcard(child, key); 4593914ddf8SEdward Tomasz Napierala } 4603914ddf8SEdward Tomasz Napierala 4613914ddf8SEdward Tomasz Napierala int 4623914ddf8SEdward Tomasz Napierala node_expand_defined(struct node *n) 4633914ddf8SEdward Tomasz Napierala { 4643914ddf8SEdward Tomasz Napierala struct node *child; 4653914ddf8SEdward Tomasz Napierala int error, cumulated_error = 0; 4663914ddf8SEdward Tomasz Napierala 4673914ddf8SEdward Tomasz Napierala if (n->n_location != NULL) { 4683914ddf8SEdward Tomasz Napierala n->n_location = defined_expand(n->n_location); 4693914ddf8SEdward Tomasz Napierala if (n->n_location == NULL) { 4703914ddf8SEdward Tomasz Napierala log_warnx("failed to expand location for %s", 4713914ddf8SEdward Tomasz Napierala node_path(n)); 4723914ddf8SEdward Tomasz Napierala return (EINVAL); 4733914ddf8SEdward Tomasz Napierala } 4743914ddf8SEdward Tomasz Napierala } 4753914ddf8SEdward Tomasz Napierala 4763914ddf8SEdward Tomasz Napierala TAILQ_FOREACH(child, &n->n_children, n_next) { 4773914ddf8SEdward Tomasz Napierala error = node_expand_defined(child); 4783914ddf8SEdward Tomasz Napierala if (error != 0 && cumulated_error == 0) 4793914ddf8SEdward Tomasz Napierala cumulated_error = error; 4803914ddf8SEdward Tomasz Napierala } 4813914ddf8SEdward Tomasz Napierala 4823914ddf8SEdward Tomasz Napierala return (cumulated_error); 4833914ddf8SEdward Tomasz Napierala } 4843914ddf8SEdward Tomasz Napierala 4853914ddf8SEdward Tomasz Napierala bool 4863914ddf8SEdward Tomasz Napierala node_is_direct_map(const struct node *n) 4873914ddf8SEdward Tomasz Napierala { 4883914ddf8SEdward Tomasz Napierala 4893914ddf8SEdward Tomasz Napierala for (;;) { 4903914ddf8SEdward Tomasz Napierala assert(n->n_parent != NULL); 4913914ddf8SEdward Tomasz Napierala if (n->n_parent->n_parent == NULL) 4923914ddf8SEdward Tomasz Napierala break; 4933914ddf8SEdward Tomasz Napierala n = n->n_parent; 4943914ddf8SEdward Tomasz Napierala } 4953914ddf8SEdward Tomasz Napierala 4963914ddf8SEdward Tomasz Napierala assert(n->n_key != NULL); 4973914ddf8SEdward Tomasz Napierala if (strcmp(n->n_key, "/-") != 0) 4983914ddf8SEdward Tomasz Napierala return (false); 4993914ddf8SEdward Tomasz Napierala 5003914ddf8SEdward Tomasz Napierala return (true); 5013914ddf8SEdward Tomasz Napierala } 5023914ddf8SEdward Tomasz Napierala 5033914ddf8SEdward Tomasz Napierala static void 5043914ddf8SEdward Tomasz Napierala node_expand_maps(struct node *n, bool indirect) 5053914ddf8SEdward Tomasz Napierala { 5063914ddf8SEdward Tomasz Napierala struct node *child, *tmp; 5073914ddf8SEdward Tomasz Napierala 5083914ddf8SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(child, &n->n_children, n_next, tmp) { 5093914ddf8SEdward Tomasz Napierala if (node_is_direct_map(child)) { 5103914ddf8SEdward Tomasz Napierala if (indirect) 5113914ddf8SEdward Tomasz Napierala continue; 5123914ddf8SEdward Tomasz Napierala } else { 5133914ddf8SEdward Tomasz Napierala if (indirect == false) 5143914ddf8SEdward Tomasz Napierala continue; 5153914ddf8SEdward Tomasz Napierala } 5163914ddf8SEdward Tomasz Napierala 5173914ddf8SEdward Tomasz Napierala /* 5183914ddf8SEdward Tomasz Napierala * This is the first-level map node; the one that contains 5193914ddf8SEdward Tomasz Napierala * the key and subnodes with mountpoints and actual map names. 5203914ddf8SEdward Tomasz Napierala */ 5213914ddf8SEdward Tomasz Napierala if (child->n_map == NULL) 5223914ddf8SEdward Tomasz Napierala continue; 5233914ddf8SEdward Tomasz Napierala 5243914ddf8SEdward Tomasz Napierala if (indirect) { 5253914ddf8SEdward Tomasz Napierala log_debugx("map \"%s\" is an indirect map, parsing", 5263914ddf8SEdward Tomasz Napierala child->n_map); 5273914ddf8SEdward Tomasz Napierala } else { 5283914ddf8SEdward Tomasz Napierala log_debugx("map \"%s\" is a direct map, parsing", 5293914ddf8SEdward Tomasz Napierala child->n_map); 5303914ddf8SEdward Tomasz Napierala } 5313914ddf8SEdward Tomasz Napierala parse_map(child, child->n_map, NULL); 5323914ddf8SEdward Tomasz Napierala } 5333914ddf8SEdward Tomasz Napierala } 5343914ddf8SEdward Tomasz Napierala 5353914ddf8SEdward Tomasz Napierala static void 5363914ddf8SEdward Tomasz Napierala node_expand_direct_maps(struct node *n) 5373914ddf8SEdward Tomasz Napierala { 5383914ddf8SEdward Tomasz Napierala 5393914ddf8SEdward Tomasz Napierala node_expand_maps(n, false); 5403914ddf8SEdward Tomasz Napierala } 5413914ddf8SEdward Tomasz Napierala 5423914ddf8SEdward Tomasz Napierala void 5433914ddf8SEdward Tomasz Napierala node_expand_indirect_maps(struct node *n) 5443914ddf8SEdward Tomasz Napierala { 5453914ddf8SEdward Tomasz Napierala 5463914ddf8SEdward Tomasz Napierala node_expand_maps(n, true); 5473914ddf8SEdward Tomasz Napierala } 5483914ddf8SEdward Tomasz Napierala 5493914ddf8SEdward Tomasz Napierala static char * 5503914ddf8SEdward Tomasz Napierala node_path_x(const struct node *n, char *x) 5513914ddf8SEdward Tomasz Napierala { 5523914ddf8SEdward Tomasz Napierala char *path; 5533914ddf8SEdward Tomasz Napierala size_t len; 5543914ddf8SEdward Tomasz Napierala 5553914ddf8SEdward Tomasz Napierala if (n->n_parent == NULL) 5563914ddf8SEdward Tomasz Napierala return (x); 5573914ddf8SEdward Tomasz Napierala 5583914ddf8SEdward Tomasz Napierala /* 5593914ddf8SEdward Tomasz Napierala * Return "/-" for direct maps only if we were asked for path 5603914ddf8SEdward Tomasz Napierala * to the "/-" node itself, not to any of its subnodes. 5613914ddf8SEdward Tomasz Napierala */ 5623914ddf8SEdward Tomasz Napierala if (n->n_parent->n_parent == NULL && 5633914ddf8SEdward Tomasz Napierala strcmp(n->n_key, "/-") == 0 && 5643914ddf8SEdward Tomasz Napierala x[0] != '\0') { 5653914ddf8SEdward Tomasz Napierala return (x); 5663914ddf8SEdward Tomasz Napierala } 5673914ddf8SEdward Tomasz Napierala 5683914ddf8SEdward Tomasz Napierala path = separated_concat(n->n_key, x, '/'); 5693914ddf8SEdward Tomasz Napierala free(x); 5703914ddf8SEdward Tomasz Napierala 5713914ddf8SEdward Tomasz Napierala /* 5723914ddf8SEdward Tomasz Napierala * Strip trailing slash. 5733914ddf8SEdward Tomasz Napierala */ 5743914ddf8SEdward Tomasz Napierala len = strlen(path); 5753914ddf8SEdward Tomasz Napierala assert(len > 0); 5763914ddf8SEdward Tomasz Napierala if (path[len - 1] == '/') 5773914ddf8SEdward Tomasz Napierala path[len - 1] = '\0'; 5783914ddf8SEdward Tomasz Napierala 5793914ddf8SEdward Tomasz Napierala return (node_path_x(n->n_parent, path)); 5803914ddf8SEdward Tomasz Napierala } 5813914ddf8SEdward Tomasz Napierala 5823914ddf8SEdward Tomasz Napierala /* 5833914ddf8SEdward Tomasz Napierala * Return full path for node, consisting of concatenated 5843914ddf8SEdward Tomasz Napierala * paths of node itself and all its parents, up to the root. 5853914ddf8SEdward Tomasz Napierala */ 5863914ddf8SEdward Tomasz Napierala char * 5873914ddf8SEdward Tomasz Napierala node_path(const struct node *n) 5883914ddf8SEdward Tomasz Napierala { 5893914ddf8SEdward Tomasz Napierala 5903914ddf8SEdward Tomasz Napierala return (node_path_x(n, checked_strdup(""))); 5913914ddf8SEdward Tomasz Napierala } 5923914ddf8SEdward Tomasz Napierala 5933914ddf8SEdward Tomasz Napierala static char * 5943914ddf8SEdward Tomasz Napierala node_options_x(const struct node *n, char *x) 5953914ddf8SEdward Tomasz Napierala { 5963914ddf8SEdward Tomasz Napierala char *options; 5973914ddf8SEdward Tomasz Napierala 5983914ddf8SEdward Tomasz Napierala options = separated_concat(x, n->n_options, ','); 5993914ddf8SEdward Tomasz Napierala if (n->n_parent == NULL) 6003914ddf8SEdward Tomasz Napierala return (options); 6013914ddf8SEdward Tomasz Napierala 6023914ddf8SEdward Tomasz Napierala return (node_options_x(n->n_parent, options)); 6033914ddf8SEdward Tomasz Napierala } 6043914ddf8SEdward Tomasz Napierala 6053914ddf8SEdward Tomasz Napierala /* 6063914ddf8SEdward Tomasz Napierala * Return options for node, consisting of concatenated 6073914ddf8SEdward Tomasz Napierala * options from the node itself and all its parents, 6083914ddf8SEdward Tomasz Napierala * up to the root. 6093914ddf8SEdward Tomasz Napierala */ 6103914ddf8SEdward Tomasz Napierala char * 6113914ddf8SEdward Tomasz Napierala node_options(const struct node *n) 6123914ddf8SEdward Tomasz Napierala { 6133914ddf8SEdward Tomasz Napierala 6143914ddf8SEdward Tomasz Napierala return (node_options_x(n, checked_strdup(""))); 6153914ddf8SEdward Tomasz Napierala } 6163914ddf8SEdward Tomasz Napierala 6173914ddf8SEdward Tomasz Napierala static void 6183914ddf8SEdward Tomasz Napierala node_print_indent(const struct node *n, int indent) 6193914ddf8SEdward Tomasz Napierala { 6203914ddf8SEdward Tomasz Napierala const struct node *child, *first_child; 6213914ddf8SEdward Tomasz Napierala char *path, *options; 6223914ddf8SEdward Tomasz Napierala 6233914ddf8SEdward Tomasz Napierala path = node_path(n); 6243914ddf8SEdward Tomasz Napierala options = node_options(n); 6253914ddf8SEdward Tomasz Napierala 6263914ddf8SEdward Tomasz Napierala /* 6273914ddf8SEdward Tomasz Napierala * Do not show both parent and child node if they have the same 6283914ddf8SEdward Tomasz Napierala * mountpoint; only show the child node. This means the typical, 6293914ddf8SEdward Tomasz Napierala * "key location", map entries are shown in a single line; 6303914ddf8SEdward Tomasz Napierala * the "key mountpoint1 location2 mountpoint2 location2" entries 6313914ddf8SEdward Tomasz Napierala * take multiple lines. 6323914ddf8SEdward Tomasz Napierala */ 6333914ddf8SEdward Tomasz Napierala first_child = TAILQ_FIRST(&n->n_children); 6343914ddf8SEdward Tomasz Napierala if (first_child == NULL || TAILQ_NEXT(first_child, n_next) != NULL || 6353914ddf8SEdward Tomasz Napierala strcmp(path, node_path(first_child)) != 0) { 6363914ddf8SEdward Tomasz Napierala assert(n->n_location == NULL || n->n_map == NULL); 6373914ddf8SEdward Tomasz Napierala printf("%*.s%-*s %s%-*s %-*s # %s map %s at %s:%d\n", 6383914ddf8SEdward Tomasz Napierala indent, "", 6393914ddf8SEdward Tomasz Napierala 25 - indent, 6403914ddf8SEdward Tomasz Napierala path, 6413914ddf8SEdward Tomasz Napierala options[0] != '\0' ? "-" : " ", 6423914ddf8SEdward Tomasz Napierala 20, 6433914ddf8SEdward Tomasz Napierala options[0] != '\0' ? options : "", 6443914ddf8SEdward Tomasz Napierala 20, 6453914ddf8SEdward Tomasz Napierala n->n_location != NULL ? n->n_location : n->n_map != NULL ? n->n_map : "", 6463914ddf8SEdward Tomasz Napierala node_is_direct_map(n) ? "direct" : "indirect", 6473914ddf8SEdward Tomasz Napierala indent == 0 ? "referenced" : "defined", 6483914ddf8SEdward Tomasz Napierala n->n_config_file, n->n_config_line); 6493914ddf8SEdward Tomasz Napierala } 6503914ddf8SEdward Tomasz Napierala 6513914ddf8SEdward Tomasz Napierala free(path); 6523914ddf8SEdward Tomasz Napierala free(options); 6533914ddf8SEdward Tomasz Napierala 6543914ddf8SEdward Tomasz Napierala TAILQ_FOREACH(child, &n->n_children, n_next) 6553914ddf8SEdward Tomasz Napierala node_print_indent(child, indent + 2); 6563914ddf8SEdward Tomasz Napierala } 6573914ddf8SEdward Tomasz Napierala 6583914ddf8SEdward Tomasz Napierala void 6593914ddf8SEdward Tomasz Napierala node_print(const struct node *n) 6603914ddf8SEdward Tomasz Napierala { 6613914ddf8SEdward Tomasz Napierala const struct node *child; 6623914ddf8SEdward Tomasz Napierala 6633914ddf8SEdward Tomasz Napierala TAILQ_FOREACH(child, &n->n_children, n_next) 6643914ddf8SEdward Tomasz Napierala node_print_indent(child, 0); 6653914ddf8SEdward Tomasz Napierala } 6663914ddf8SEdward Tomasz Napierala 6673914ddf8SEdward Tomasz Napierala struct node * 6683914ddf8SEdward Tomasz Napierala node_find(struct node *node, const char *path) 6693914ddf8SEdward Tomasz Napierala { 6703914ddf8SEdward Tomasz Napierala struct node *child, *found; 6713914ddf8SEdward Tomasz Napierala char *tmp; 6723914ddf8SEdward Tomasz Napierala 6733914ddf8SEdward Tomasz Napierala //log_debugx("looking up %s in %s", path, node->n_key); 6743914ddf8SEdward Tomasz Napierala 6753914ddf8SEdward Tomasz Napierala tmp = node_path(node); 6763914ddf8SEdward Tomasz Napierala if (strncmp(tmp, path, strlen(tmp)) != 0) { 6773914ddf8SEdward Tomasz Napierala free(tmp); 6783914ddf8SEdward Tomasz Napierala return (NULL); 6793914ddf8SEdward Tomasz Napierala } 6803914ddf8SEdward Tomasz Napierala free(tmp); 6813914ddf8SEdward Tomasz Napierala 6823914ddf8SEdward Tomasz Napierala TAILQ_FOREACH(child, &node->n_children, n_next) { 6833914ddf8SEdward Tomasz Napierala found = node_find(child, path); 6843914ddf8SEdward Tomasz Napierala if (found != NULL) 6853914ddf8SEdward Tomasz Napierala return (found); 6863914ddf8SEdward Tomasz Napierala } 6873914ddf8SEdward Tomasz Napierala 6883914ddf8SEdward Tomasz Napierala return (node); 6893914ddf8SEdward Tomasz Napierala } 6903914ddf8SEdward Tomasz Napierala 6913914ddf8SEdward Tomasz Napierala /* 6923914ddf8SEdward Tomasz Napierala * Canonical form of a map entry looks like this: 6933914ddf8SEdward Tomasz Napierala * 6943914ddf8SEdward Tomasz Napierala * key [-options] [ [/mountpoint] [-options2] location ... ] 6953914ddf8SEdward Tomasz Napierala * 6963914ddf8SEdward Tomasz Napierala * Entries for executable maps are slightly different, as they 6973914ddf8SEdward Tomasz Napierala * lack the 'key' field and are always single-line; the key field 6983914ddf8SEdward Tomasz Napierala * for those maps is taken from 'executable_key' argument. 6993914ddf8SEdward Tomasz Napierala * 7003914ddf8SEdward Tomasz Napierala * We parse it in such a way that a map always has two levels - first 7013914ddf8SEdward Tomasz Napierala * for key, and the second, for the mountpoint. 7023914ddf8SEdward Tomasz Napierala */ 7033914ddf8SEdward Tomasz Napierala static void 7043914ddf8SEdward Tomasz Napierala parse_map_yyin(struct node *parent, const char *map, const char *executable_key) 7053914ddf8SEdward Tomasz Napierala { 7063914ddf8SEdward Tomasz Napierala char *key = NULL, *options = NULL, *mountpoint = NULL, 7073914ddf8SEdward Tomasz Napierala *options2 = NULL, *location = NULL; 7083914ddf8SEdward Tomasz Napierala int ret; 7093914ddf8SEdward Tomasz Napierala struct node *node; 7103914ddf8SEdward Tomasz Napierala 7113914ddf8SEdward Tomasz Napierala lineno = 1; 7123914ddf8SEdward Tomasz Napierala 7133914ddf8SEdward Tomasz Napierala if (executable_key != NULL) 7143914ddf8SEdward Tomasz Napierala key = checked_strdup(executable_key); 7153914ddf8SEdward Tomasz Napierala 7163914ddf8SEdward Tomasz Napierala for (;;) { 7173914ddf8SEdward Tomasz Napierala ret = yylex(); 7183914ddf8SEdward Tomasz Napierala if (ret == 0 || ret == NEWLINE) { 71930ae6e00SEdward Tomasz Napierala /* 72030ae6e00SEdward Tomasz Napierala * In case of executable map, the key is always 72130ae6e00SEdward Tomasz Napierala * non-NULL, even if the map is empty. So, make sure 72230ae6e00SEdward Tomasz Napierala * we don't fail empty maps here. 72330ae6e00SEdward Tomasz Napierala */ 72430ae6e00SEdward Tomasz Napierala if ((key != NULL && executable_key == NULL) || 72530ae6e00SEdward Tomasz Napierala options != NULL) { 7263914ddf8SEdward Tomasz Napierala log_errx(1, "truncated entry at %s, line %d", 7273914ddf8SEdward Tomasz Napierala map, lineno); 7283914ddf8SEdward Tomasz Napierala } 7293914ddf8SEdward Tomasz Napierala if (ret == 0 || executable_key != NULL) { 7303914ddf8SEdward Tomasz Napierala /* 7313914ddf8SEdward Tomasz Napierala * End of file. 7323914ddf8SEdward Tomasz Napierala */ 7333914ddf8SEdward Tomasz Napierala break; 7343914ddf8SEdward Tomasz Napierala } else { 7353914ddf8SEdward Tomasz Napierala key = options = NULL; 7363914ddf8SEdward Tomasz Napierala continue; 7373914ddf8SEdward Tomasz Napierala } 7383914ddf8SEdward Tomasz Napierala } 7393914ddf8SEdward Tomasz Napierala if (key == NULL) { 7403914ddf8SEdward Tomasz Napierala key = checked_strdup(yytext); 7413914ddf8SEdward Tomasz Napierala if (key[0] == '+') { 7423914ddf8SEdward Tomasz Napierala node_new(parent, key, NULL, NULL, map, lineno); 7433914ddf8SEdward Tomasz Napierala key = options = NULL; 7443914ddf8SEdward Tomasz Napierala continue; 7453914ddf8SEdward Tomasz Napierala } 7463914ddf8SEdward Tomasz Napierala continue; 7473914ddf8SEdward Tomasz Napierala } else if (yytext[0] == '-') { 7483914ddf8SEdward Tomasz Napierala if (options != NULL) { 7493914ddf8SEdward Tomasz Napierala log_errx(1, "duplicated options at %s, line %d", 7503914ddf8SEdward Tomasz Napierala map, lineno); 7513914ddf8SEdward Tomasz Napierala } 7523914ddf8SEdward Tomasz Napierala /* 7533914ddf8SEdward Tomasz Napierala * +1 to skip leading "-". 7543914ddf8SEdward Tomasz Napierala */ 7553914ddf8SEdward Tomasz Napierala options = checked_strdup(yytext + 1); 7563914ddf8SEdward Tomasz Napierala continue; 7573914ddf8SEdward Tomasz Napierala } 7583914ddf8SEdward Tomasz Napierala 7593914ddf8SEdward Tomasz Napierala /* 7603914ddf8SEdward Tomasz Napierala * We cannot properly handle a situation where the map key 7613914ddf8SEdward Tomasz Napierala * is "/". Ignore such entries. 7623914ddf8SEdward Tomasz Napierala * 7633914ddf8SEdward Tomasz Napierala * XXX: According to Piete Brooks, Linux automounter uses 7643914ddf8SEdward Tomasz Napierala * "/" as a wildcard character in LDAP maps. Perhaps 7653914ddf8SEdward Tomasz Napierala * we should work around this braindamage by substituting 7663914ddf8SEdward Tomasz Napierala * "*" for "/"? 7673914ddf8SEdward Tomasz Napierala */ 7683914ddf8SEdward Tomasz Napierala if (strcmp(key, "/") == 0) { 7693914ddf8SEdward Tomasz Napierala log_warnx("nonsensical map key \"/\" at %s, line %d; " 7703914ddf8SEdward Tomasz Napierala "ignoring map entry ", map, lineno); 7713914ddf8SEdward Tomasz Napierala 7723914ddf8SEdward Tomasz Napierala /* 7733914ddf8SEdward Tomasz Napierala * Skip the rest of the entry. 7743914ddf8SEdward Tomasz Napierala */ 7753914ddf8SEdward Tomasz Napierala do { 7763914ddf8SEdward Tomasz Napierala ret = yylex(); 7773914ddf8SEdward Tomasz Napierala } while (ret != 0 && ret != NEWLINE); 7783914ddf8SEdward Tomasz Napierala 7793914ddf8SEdward Tomasz Napierala key = options = NULL; 7803914ddf8SEdward Tomasz Napierala continue; 7813914ddf8SEdward Tomasz Napierala } 7823914ddf8SEdward Tomasz Napierala 7833914ddf8SEdward Tomasz Napierala //log_debugx("adding map node, %s", key); 7843914ddf8SEdward Tomasz Napierala node = node_new(parent, key, options, NULL, map, lineno); 7853914ddf8SEdward Tomasz Napierala key = options = NULL; 7863914ddf8SEdward Tomasz Napierala 7873914ddf8SEdward Tomasz Napierala for (;;) { 7883914ddf8SEdward Tomasz Napierala if (yytext[0] == '/') { 7893914ddf8SEdward Tomasz Napierala if (mountpoint != NULL) { 7903914ddf8SEdward Tomasz Napierala log_errx(1, "duplicated mountpoint " 7913914ddf8SEdward Tomasz Napierala "in %s, line %d", map, lineno); 7923914ddf8SEdward Tomasz Napierala } 7933914ddf8SEdward Tomasz Napierala if (options2 != NULL || location != NULL) { 7943914ddf8SEdward Tomasz Napierala log_errx(1, "mountpoint out of order " 7953914ddf8SEdward Tomasz Napierala "in %s, line %d", map, lineno); 7963914ddf8SEdward Tomasz Napierala } 7973914ddf8SEdward Tomasz Napierala mountpoint = checked_strdup(yytext); 7983914ddf8SEdward Tomasz Napierala goto again; 7993914ddf8SEdward Tomasz Napierala } 8003914ddf8SEdward Tomasz Napierala 8013914ddf8SEdward Tomasz Napierala if (yytext[0] == '-') { 8023914ddf8SEdward Tomasz Napierala if (options2 != NULL) { 8033914ddf8SEdward Tomasz Napierala log_errx(1, "duplicated options " 8043914ddf8SEdward Tomasz Napierala "in %s, line %d", map, lineno); 8053914ddf8SEdward Tomasz Napierala } 8063914ddf8SEdward Tomasz Napierala if (location != NULL) { 8073914ddf8SEdward Tomasz Napierala log_errx(1, "options out of order " 8083914ddf8SEdward Tomasz Napierala "in %s, line %d", map, lineno); 8093914ddf8SEdward Tomasz Napierala } 8103914ddf8SEdward Tomasz Napierala options2 = checked_strdup(yytext + 1); 8113914ddf8SEdward Tomasz Napierala goto again; 8123914ddf8SEdward Tomasz Napierala } 8133914ddf8SEdward Tomasz Napierala 8143914ddf8SEdward Tomasz Napierala if (location != NULL) { 8153914ddf8SEdward Tomasz Napierala log_errx(1, "too many arguments " 8163914ddf8SEdward Tomasz Napierala "in %s, line %d", map, lineno); 8173914ddf8SEdward Tomasz Napierala } 8183914ddf8SEdward Tomasz Napierala 8193914ddf8SEdward Tomasz Napierala /* 8203914ddf8SEdward Tomasz Napierala * If location field starts with colon, e.g. ":/dev/cd0", 8213914ddf8SEdward Tomasz Napierala * then strip it. 8223914ddf8SEdward Tomasz Napierala */ 8233914ddf8SEdward Tomasz Napierala if (yytext[0] == ':') { 8243914ddf8SEdward Tomasz Napierala location = checked_strdup(yytext + 1); 8253914ddf8SEdward Tomasz Napierala if (location[0] == '\0') { 8263914ddf8SEdward Tomasz Napierala log_errx(1, "empty location in %s, " 8273914ddf8SEdward Tomasz Napierala "line %d", map, lineno); 8283914ddf8SEdward Tomasz Napierala } 8293914ddf8SEdward Tomasz Napierala } else { 8303914ddf8SEdward Tomasz Napierala location = checked_strdup(yytext); 8313914ddf8SEdward Tomasz Napierala } 8323914ddf8SEdward Tomasz Napierala 8333914ddf8SEdward Tomasz Napierala if (mountpoint == NULL) 8343914ddf8SEdward Tomasz Napierala mountpoint = checked_strdup("/"); 8353914ddf8SEdward Tomasz Napierala if (options2 == NULL) 8363914ddf8SEdward Tomasz Napierala options2 = checked_strdup(""); 8373914ddf8SEdward Tomasz Napierala 8383914ddf8SEdward Tomasz Napierala #if 0 8393914ddf8SEdward Tomasz Napierala log_debugx("adding map node, %s %s %s", 8403914ddf8SEdward Tomasz Napierala mountpoint, options2, location); 8413914ddf8SEdward Tomasz Napierala #endif 8423914ddf8SEdward Tomasz Napierala node_new(node, mountpoint, options2, location, 8433914ddf8SEdward Tomasz Napierala map, lineno); 8443914ddf8SEdward Tomasz Napierala mountpoint = options2 = location = NULL; 8453914ddf8SEdward Tomasz Napierala again: 8463914ddf8SEdward Tomasz Napierala ret = yylex(); 8473914ddf8SEdward Tomasz Napierala if (ret == 0 || ret == NEWLINE) { 8483914ddf8SEdward Tomasz Napierala if (mountpoint != NULL || options2 != NULL || 8493914ddf8SEdward Tomasz Napierala location != NULL) { 8503914ddf8SEdward Tomasz Napierala log_errx(1, "truncated entry " 8513914ddf8SEdward Tomasz Napierala "in %s, line %d", map, lineno); 8523914ddf8SEdward Tomasz Napierala } 8533914ddf8SEdward Tomasz Napierala break; 8543914ddf8SEdward Tomasz Napierala } 8553914ddf8SEdward Tomasz Napierala } 8563914ddf8SEdward Tomasz Napierala } 8573914ddf8SEdward Tomasz Napierala } 8583914ddf8SEdward Tomasz Napierala 859*f7ae8307SEdward Tomasz Napierala /* 860*f7ae8307SEdward Tomasz Napierala * Parse output of a special map called without argument. This is just 861*f7ae8307SEdward Tomasz Napierala * a list of keys. 862*f7ae8307SEdward Tomasz Napierala */ 863*f7ae8307SEdward Tomasz Napierala static void 864*f7ae8307SEdward Tomasz Napierala parse_map_keys_yyin(struct node *parent, const char *map) 865*f7ae8307SEdward Tomasz Napierala { 866*f7ae8307SEdward Tomasz Napierala char *key = NULL; 867*f7ae8307SEdward Tomasz Napierala int ret; 868*f7ae8307SEdward Tomasz Napierala 869*f7ae8307SEdward Tomasz Napierala lineno = 1; 870*f7ae8307SEdward Tomasz Napierala 871*f7ae8307SEdward Tomasz Napierala for (;;) { 872*f7ae8307SEdward Tomasz Napierala ret = yylex(); 873*f7ae8307SEdward Tomasz Napierala 874*f7ae8307SEdward Tomasz Napierala if (ret == NEWLINE) 875*f7ae8307SEdward Tomasz Napierala continue; 876*f7ae8307SEdward Tomasz Napierala 877*f7ae8307SEdward Tomasz Napierala if (ret == 0) { 878*f7ae8307SEdward Tomasz Napierala /* 879*f7ae8307SEdward Tomasz Napierala * End of file. 880*f7ae8307SEdward Tomasz Napierala */ 881*f7ae8307SEdward Tomasz Napierala break; 882*f7ae8307SEdward Tomasz Napierala } 883*f7ae8307SEdward Tomasz Napierala 884*f7ae8307SEdward Tomasz Napierala key = checked_strdup(yytext); 885*f7ae8307SEdward Tomasz Napierala node_new(parent, key, NULL, NULL, map, lineno); 886*f7ae8307SEdward Tomasz Napierala } 887*f7ae8307SEdward Tomasz Napierala } 888*f7ae8307SEdward Tomasz Napierala 8893914ddf8SEdward Tomasz Napierala static bool 8903914ddf8SEdward Tomasz Napierala file_is_executable(const char *path) 8913914ddf8SEdward Tomasz Napierala { 8923914ddf8SEdward Tomasz Napierala struct stat sb; 8933914ddf8SEdward Tomasz Napierala int error; 8943914ddf8SEdward Tomasz Napierala 8953914ddf8SEdward Tomasz Napierala error = stat(path, &sb); 8963914ddf8SEdward Tomasz Napierala if (error != 0) 8973914ddf8SEdward Tomasz Napierala log_err(1, "cannot stat %s", path); 8983914ddf8SEdward Tomasz Napierala if ((sb.st_mode & S_IXUSR) || (sb.st_mode & S_IXGRP) || 8993914ddf8SEdward Tomasz Napierala (sb.st_mode & S_IXOTH)) 9003914ddf8SEdward Tomasz Napierala return (true); 9013914ddf8SEdward Tomasz Napierala return (false); 9023914ddf8SEdward Tomasz Napierala } 9033914ddf8SEdward Tomasz Napierala 9043914ddf8SEdward Tomasz Napierala /* 9053914ddf8SEdward Tomasz Napierala * Parse a special map, e.g. "-hosts". 9063914ddf8SEdward Tomasz Napierala */ 9073914ddf8SEdward Tomasz Napierala static void 9083914ddf8SEdward Tomasz Napierala parse_special_map(struct node *parent, const char *map, const char *key) 9093914ddf8SEdward Tomasz Napierala { 9103914ddf8SEdward Tomasz Napierala char *path; 9113914ddf8SEdward Tomasz Napierala int error, ret; 9123914ddf8SEdward Tomasz Napierala 9133914ddf8SEdward Tomasz Napierala assert(map[0] == '-'); 9143914ddf8SEdward Tomasz Napierala 9153914ddf8SEdward Tomasz Napierala /* 9163914ddf8SEdward Tomasz Napierala * +1 to skip leading "-" in map name. 9173914ddf8SEdward Tomasz Napierala */ 9183914ddf8SEdward Tomasz Napierala ret = asprintf(&path, "%s/special_%s", AUTO_SPECIAL_PREFIX, map + 1); 9193914ddf8SEdward Tomasz Napierala if (ret < 0) 9203914ddf8SEdward Tomasz Napierala log_err(1, "asprintf"); 9213914ddf8SEdward Tomasz Napierala 9223914ddf8SEdward Tomasz Napierala yyin = auto_popen(path, key, NULL); 9233914ddf8SEdward Tomasz Napierala assert(yyin != NULL); 9243914ddf8SEdward Tomasz Napierala 925*f7ae8307SEdward Tomasz Napierala if (key == NULL) { 926*f7ae8307SEdward Tomasz Napierala parse_map_keys_yyin(parent, map); 927*f7ae8307SEdward Tomasz Napierala } else { 9283914ddf8SEdward Tomasz Napierala parse_map_yyin(parent, map, key); 929*f7ae8307SEdward Tomasz Napierala } 9303914ddf8SEdward Tomasz Napierala 9313914ddf8SEdward Tomasz Napierala error = auto_pclose(yyin); 9323914ddf8SEdward Tomasz Napierala yyin = NULL; 9333914ddf8SEdward Tomasz Napierala if (error != 0) 9343914ddf8SEdward Tomasz Napierala log_errx(1, "failed to handle special map \"%s\"", map); 9353914ddf8SEdward Tomasz Napierala 9363914ddf8SEdward Tomasz Napierala node_expand_includes(parent, false); 9373914ddf8SEdward Tomasz Napierala node_expand_direct_maps(parent); 9383914ddf8SEdward Tomasz Napierala 9393914ddf8SEdward Tomasz Napierala free(path); 9403914ddf8SEdward Tomasz Napierala } 9413914ddf8SEdward Tomasz Napierala 9423914ddf8SEdward Tomasz Napierala /* 9433914ddf8SEdward Tomasz Napierala * Retrieve and parse map from directory services, e.g. LDAP. 9443914ddf8SEdward Tomasz Napierala * Note that it is different from executable maps, in that 9453914ddf8SEdward Tomasz Napierala * the include script outputs the whole map to standard output 9463914ddf8SEdward Tomasz Napierala * (as opposed to executable maps that only output a single 9473914ddf8SEdward Tomasz Napierala * entry, without the key), and it takes the map name as an 9483914ddf8SEdward Tomasz Napierala * argument, instead of key. 9493914ddf8SEdward Tomasz Napierala */ 9503914ddf8SEdward Tomasz Napierala static void 9513914ddf8SEdward Tomasz Napierala parse_included_map(struct node *parent, const char *map) 9523914ddf8SEdward Tomasz Napierala { 9533914ddf8SEdward Tomasz Napierala int error; 9543914ddf8SEdward Tomasz Napierala 9553914ddf8SEdward Tomasz Napierala assert(map[0] != '-'); 9563914ddf8SEdward Tomasz Napierala assert(map[0] != '/'); 9573914ddf8SEdward Tomasz Napierala 9583914ddf8SEdward Tomasz Napierala error = access(AUTO_INCLUDE_PATH, F_OK); 9593914ddf8SEdward Tomasz Napierala if (error != 0) { 9603914ddf8SEdward Tomasz Napierala log_errx(1, "directory services not configured;" 9613914ddf8SEdward Tomasz Napierala " %s does not exist", AUTO_INCLUDE_PATH); 9623914ddf8SEdward Tomasz Napierala } 9633914ddf8SEdward Tomasz Napierala 9643914ddf8SEdward Tomasz Napierala yyin = auto_popen(AUTO_INCLUDE_PATH, map, NULL); 9653914ddf8SEdward Tomasz Napierala assert(yyin != NULL); 9663914ddf8SEdward Tomasz Napierala 9673914ddf8SEdward Tomasz Napierala parse_map_yyin(parent, map, NULL); 9683914ddf8SEdward Tomasz Napierala 9693914ddf8SEdward Tomasz Napierala error = auto_pclose(yyin); 9703914ddf8SEdward Tomasz Napierala yyin = NULL; 9713914ddf8SEdward Tomasz Napierala if (error != 0) 9723914ddf8SEdward Tomasz Napierala log_errx(1, "failed to handle remote map \"%s\"", map); 9733914ddf8SEdward Tomasz Napierala 9743914ddf8SEdward Tomasz Napierala node_expand_includes(parent, false); 9753914ddf8SEdward Tomasz Napierala node_expand_direct_maps(parent); 9763914ddf8SEdward Tomasz Napierala } 9773914ddf8SEdward Tomasz Napierala 9783914ddf8SEdward Tomasz Napierala void 9793914ddf8SEdward Tomasz Napierala parse_map(struct node *parent, const char *map, const char *key) 9803914ddf8SEdward Tomasz Napierala { 9813914ddf8SEdward Tomasz Napierala char *path = NULL; 9823914ddf8SEdward Tomasz Napierala int error, ret; 9833914ddf8SEdward Tomasz Napierala bool executable; 9843914ddf8SEdward Tomasz Napierala 9853914ddf8SEdward Tomasz Napierala assert(map != NULL); 9863914ddf8SEdward Tomasz Napierala assert(map[0] != '\0'); 9873914ddf8SEdward Tomasz Napierala 9883914ddf8SEdward Tomasz Napierala log_debugx("parsing map \"%s\"", map); 9893914ddf8SEdward Tomasz Napierala 9903914ddf8SEdward Tomasz Napierala if (map[0] == '-') 9913914ddf8SEdward Tomasz Napierala return (parse_special_map(parent, map, key)); 9923914ddf8SEdward Tomasz Napierala 9933914ddf8SEdward Tomasz Napierala if (map[0] == '/') { 9943914ddf8SEdward Tomasz Napierala path = checked_strdup(map); 9953914ddf8SEdward Tomasz Napierala } else { 9963914ddf8SEdward Tomasz Napierala ret = asprintf(&path, "%s/%s", AUTO_MAP_PREFIX, map); 9973914ddf8SEdward Tomasz Napierala if (ret < 0) 9983914ddf8SEdward Tomasz Napierala log_err(1, "asprintf"); 9993914ddf8SEdward Tomasz Napierala log_debugx("map \"%s\" maps to \"%s\"", map, path); 10003914ddf8SEdward Tomasz Napierala 10013914ddf8SEdward Tomasz Napierala /* 10023914ddf8SEdward Tomasz Napierala * See if the file exists. If not, try to obtain the map 10033914ddf8SEdward Tomasz Napierala * from directory services. 10043914ddf8SEdward Tomasz Napierala */ 10053914ddf8SEdward Tomasz Napierala error = access(path, F_OK); 10063914ddf8SEdward Tomasz Napierala if (error != 0) { 10073914ddf8SEdward Tomasz Napierala log_debugx("map file \"%s\" does not exist; falling " 10083914ddf8SEdward Tomasz Napierala "back to directory services", path); 10093914ddf8SEdward Tomasz Napierala return (parse_included_map(parent, map)); 10103914ddf8SEdward Tomasz Napierala } 10113914ddf8SEdward Tomasz Napierala } 10123914ddf8SEdward Tomasz Napierala 10133914ddf8SEdward Tomasz Napierala executable = file_is_executable(path); 10143914ddf8SEdward Tomasz Napierala 10153914ddf8SEdward Tomasz Napierala if (executable) { 10163914ddf8SEdward Tomasz Napierala log_debugx("map \"%s\" is executable", map); 10173914ddf8SEdward Tomasz Napierala 10183914ddf8SEdward Tomasz Napierala if (key != NULL) { 10193914ddf8SEdward Tomasz Napierala yyin = auto_popen(path, key, NULL); 10203914ddf8SEdward Tomasz Napierala } else { 10213914ddf8SEdward Tomasz Napierala yyin = auto_popen(path, NULL); 10223914ddf8SEdward Tomasz Napierala } 10233914ddf8SEdward Tomasz Napierala assert(yyin != NULL); 10243914ddf8SEdward Tomasz Napierala } else { 10253914ddf8SEdward Tomasz Napierala yyin = fopen(path, "r"); 10263914ddf8SEdward Tomasz Napierala if (yyin == NULL) 10273914ddf8SEdward Tomasz Napierala log_err(1, "unable to open \"%s\"", path); 10283914ddf8SEdward Tomasz Napierala } 10293914ddf8SEdward Tomasz Napierala 10303914ddf8SEdward Tomasz Napierala free(path); 10313914ddf8SEdward Tomasz Napierala path = NULL; 10323914ddf8SEdward Tomasz Napierala 10333914ddf8SEdward Tomasz Napierala parse_map_yyin(parent, map, executable ? key : NULL); 10343914ddf8SEdward Tomasz Napierala 10353914ddf8SEdward Tomasz Napierala if (executable) { 10363914ddf8SEdward Tomasz Napierala error = auto_pclose(yyin); 10373914ddf8SEdward Tomasz Napierala yyin = NULL; 10383914ddf8SEdward Tomasz Napierala if (error != 0) { 10393914ddf8SEdward Tomasz Napierala log_errx(1, "failed to handle executable map \"%s\"", 10403914ddf8SEdward Tomasz Napierala map); 10413914ddf8SEdward Tomasz Napierala } 10423914ddf8SEdward Tomasz Napierala } else { 10433914ddf8SEdward Tomasz Napierala fclose(yyin); 10443914ddf8SEdward Tomasz Napierala } 10453914ddf8SEdward Tomasz Napierala yyin = NULL; 10463914ddf8SEdward Tomasz Napierala 10473914ddf8SEdward Tomasz Napierala log_debugx("done parsing map \"%s\"", map); 10483914ddf8SEdward Tomasz Napierala 10493914ddf8SEdward Tomasz Napierala node_expand_includes(parent, false); 10503914ddf8SEdward Tomasz Napierala node_expand_direct_maps(parent); 10513914ddf8SEdward Tomasz Napierala } 10523914ddf8SEdward Tomasz Napierala 10533914ddf8SEdward Tomasz Napierala static void 10543914ddf8SEdward Tomasz Napierala parse_master_yyin(struct node *root, const char *master) 10553914ddf8SEdward Tomasz Napierala { 10563914ddf8SEdward Tomasz Napierala char *mountpoint = NULL, *map = NULL, *options = NULL; 10573914ddf8SEdward Tomasz Napierala int ret; 10583914ddf8SEdward Tomasz Napierala 10593914ddf8SEdward Tomasz Napierala /* 10603914ddf8SEdward Tomasz Napierala * XXX: 1 gives incorrect values; wtf? 10613914ddf8SEdward Tomasz Napierala */ 10623914ddf8SEdward Tomasz Napierala lineno = 0; 10633914ddf8SEdward Tomasz Napierala 10643914ddf8SEdward Tomasz Napierala for (;;) { 10653914ddf8SEdward Tomasz Napierala ret = yylex(); 10663914ddf8SEdward Tomasz Napierala if (ret == 0 || ret == NEWLINE) { 10673914ddf8SEdward Tomasz Napierala if (mountpoint != NULL) { 10683914ddf8SEdward Tomasz Napierala //log_debugx("adding map for %s", mountpoint); 10693914ddf8SEdward Tomasz Napierala node_new_map(root, mountpoint, options, map, 10703914ddf8SEdward Tomasz Napierala master, lineno); 10713914ddf8SEdward Tomasz Napierala } 10723914ddf8SEdward Tomasz Napierala if (ret == 0) { 10733914ddf8SEdward Tomasz Napierala break; 10743914ddf8SEdward Tomasz Napierala } else { 10753914ddf8SEdward Tomasz Napierala mountpoint = map = options = NULL; 10763914ddf8SEdward Tomasz Napierala continue; 10773914ddf8SEdward Tomasz Napierala } 10783914ddf8SEdward Tomasz Napierala } 10793914ddf8SEdward Tomasz Napierala if (mountpoint == NULL) { 10803914ddf8SEdward Tomasz Napierala mountpoint = checked_strdup(yytext); 10813914ddf8SEdward Tomasz Napierala } else if (map == NULL) { 10823914ddf8SEdward Tomasz Napierala map = checked_strdup(yytext); 10833914ddf8SEdward Tomasz Napierala } else if (options == NULL) { 10843914ddf8SEdward Tomasz Napierala /* 10853914ddf8SEdward Tomasz Napierala * +1 to skip leading "-". 10863914ddf8SEdward Tomasz Napierala */ 10873914ddf8SEdward Tomasz Napierala options = checked_strdup(yytext + 1); 10883914ddf8SEdward Tomasz Napierala } else { 10893914ddf8SEdward Tomasz Napierala log_errx(1, "too many arguments at %s, line %d", 10903914ddf8SEdward Tomasz Napierala master, lineno); 10913914ddf8SEdward Tomasz Napierala } 10923914ddf8SEdward Tomasz Napierala } 10933914ddf8SEdward Tomasz Napierala } 10943914ddf8SEdward Tomasz Napierala 10953914ddf8SEdward Tomasz Napierala void 10963914ddf8SEdward Tomasz Napierala parse_master(struct node *root, const char *master) 10973914ddf8SEdward Tomasz Napierala { 10983914ddf8SEdward Tomasz Napierala 10993914ddf8SEdward Tomasz Napierala log_debugx("parsing auto_master file at \"%s\"", master); 11003914ddf8SEdward Tomasz Napierala 11013914ddf8SEdward Tomasz Napierala yyin = fopen(master, "r"); 11023914ddf8SEdward Tomasz Napierala if (yyin == NULL) 11033914ddf8SEdward Tomasz Napierala err(1, "unable to open %s", master); 11043914ddf8SEdward Tomasz Napierala 11053914ddf8SEdward Tomasz Napierala parse_master_yyin(root, master); 11063914ddf8SEdward Tomasz Napierala 11073914ddf8SEdward Tomasz Napierala fclose(yyin); 11083914ddf8SEdward Tomasz Napierala yyin = NULL; 11093914ddf8SEdward Tomasz Napierala 11103914ddf8SEdward Tomasz Napierala log_debugx("done parsing \"%s\"", master); 11113914ddf8SEdward Tomasz Napierala 11123914ddf8SEdward Tomasz Napierala node_expand_includes(root, true); 11133914ddf8SEdward Tomasz Napierala node_expand_direct_maps(root); 11143914ddf8SEdward Tomasz Napierala } 11153914ddf8SEdward Tomasz Napierala 11163914ddf8SEdward Tomasz Napierala /* 11173914ddf8SEdward Tomasz Napierala * Two things daemon(3) does, that we actually also want to do 11183914ddf8SEdward Tomasz Napierala * when running in foreground, is closing the stdin and chdiring 11193914ddf8SEdward Tomasz Napierala * to "/". This is what we do here. 11203914ddf8SEdward Tomasz Napierala */ 11213914ddf8SEdward Tomasz Napierala void 11223914ddf8SEdward Tomasz Napierala lesser_daemon(void) 11233914ddf8SEdward Tomasz Napierala { 11243914ddf8SEdward Tomasz Napierala int error, fd; 11253914ddf8SEdward Tomasz Napierala 11263914ddf8SEdward Tomasz Napierala error = chdir("/"); 11273914ddf8SEdward Tomasz Napierala if (error != 0) 11283914ddf8SEdward Tomasz Napierala log_warn("chdir"); 11293914ddf8SEdward Tomasz Napierala 11303914ddf8SEdward Tomasz Napierala fd = open(_PATH_DEVNULL, O_RDWR, 0); 11313914ddf8SEdward Tomasz Napierala if (fd < 0) { 11323914ddf8SEdward Tomasz Napierala log_warn("cannot open %s", _PATH_DEVNULL); 11333914ddf8SEdward Tomasz Napierala return; 11343914ddf8SEdward Tomasz Napierala } 11353914ddf8SEdward Tomasz Napierala 11363914ddf8SEdward Tomasz Napierala error = dup2(fd, STDIN_FILENO); 11373914ddf8SEdward Tomasz Napierala if (error != 0) 11383914ddf8SEdward Tomasz Napierala log_warn("dup2"); 11393914ddf8SEdward Tomasz Napierala 11403914ddf8SEdward Tomasz Napierala error = close(fd); 11413914ddf8SEdward Tomasz Napierala if (error != 0) { 11423914ddf8SEdward Tomasz Napierala /* Bloody hell. */ 11433914ddf8SEdward Tomasz Napierala log_warn("close"); 11443914ddf8SEdward Tomasz Napierala } 11453914ddf8SEdward Tomasz Napierala } 11463914ddf8SEdward Tomasz Napierala 11473914ddf8SEdward Tomasz Napierala int 11483914ddf8SEdward Tomasz Napierala main(int argc, char **argv) 11493914ddf8SEdward Tomasz Napierala { 11503914ddf8SEdward Tomasz Napierala char *cmdname; 11513914ddf8SEdward Tomasz Napierala 11523914ddf8SEdward Tomasz Napierala if (argv[0] == NULL) 11533914ddf8SEdward Tomasz Napierala log_errx(1, "NULL command name"); 11543914ddf8SEdward Tomasz Napierala 11553914ddf8SEdward Tomasz Napierala cmdname = basename(argv[0]); 11563914ddf8SEdward Tomasz Napierala 11573914ddf8SEdward Tomasz Napierala if (strcmp(cmdname, "automount") == 0) 11583914ddf8SEdward Tomasz Napierala return (main_automount(argc, argv)); 11593914ddf8SEdward Tomasz Napierala else if (strcmp(cmdname, "automountd") == 0) 11603914ddf8SEdward Tomasz Napierala return (main_automountd(argc, argv)); 11613914ddf8SEdward Tomasz Napierala else if (strcmp(cmdname, "autounmountd") == 0) 11623914ddf8SEdward Tomasz Napierala return (main_autounmountd(argc, argv)); 11633914ddf8SEdward Tomasz Napierala else 11643914ddf8SEdward Tomasz Napierala log_errx(1, "binary name should be either \"automount\", " 11653914ddf8SEdward Tomasz Napierala "\"automountd\", or \"autounmountd\""); 11663914ddf8SEdward Tomasz Napierala } 1167