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> 553dd80c05SEdward Tomasz Napierala #define _WITH_GETLINE 563914ddf8SEdward Tomasz Napierala #include <stdio.h> 573914ddf8SEdward Tomasz Napierala #include <stdlib.h> 583914ddf8SEdward Tomasz Napierala #include <string.h> 593914ddf8SEdward Tomasz Napierala #include <unistd.h> 603914ddf8SEdward Tomasz Napierala 613914ddf8SEdward Tomasz Napierala #include <libutil.h> 623914ddf8SEdward Tomasz Napierala 633914ddf8SEdward Tomasz Napierala #include "autofs_ioctl.h" 643914ddf8SEdward Tomasz Napierala 653914ddf8SEdward Tomasz Napierala #include "common.h" 663914ddf8SEdward Tomasz Napierala 673914ddf8SEdward Tomasz Napierala extern FILE *yyin; 683914ddf8SEdward Tomasz Napierala extern char *yytext; 693914ddf8SEdward Tomasz Napierala extern int yylex(void); 703914ddf8SEdward Tomasz Napierala 713914ddf8SEdward Tomasz Napierala static void parse_master_yyin(struct node *root, const char *master); 723914ddf8SEdward Tomasz Napierala static void parse_map_yyin(struct node *parent, const char *map, 733914ddf8SEdward Tomasz Napierala const char *executable_key); 743914ddf8SEdward Tomasz Napierala 753914ddf8SEdward Tomasz Napierala char * 763914ddf8SEdward Tomasz Napierala checked_strdup(const char *s) 773914ddf8SEdward Tomasz Napierala { 783914ddf8SEdward Tomasz Napierala char *c; 793914ddf8SEdward Tomasz Napierala 803914ddf8SEdward Tomasz Napierala assert(s != NULL); 813914ddf8SEdward Tomasz Napierala 823914ddf8SEdward Tomasz Napierala c = strdup(s); 833914ddf8SEdward Tomasz Napierala if (c == NULL) 843914ddf8SEdward Tomasz Napierala log_err(1, "strdup"); 853914ddf8SEdward Tomasz Napierala return (c); 863914ddf8SEdward Tomasz Napierala } 873914ddf8SEdward Tomasz Napierala 883914ddf8SEdward Tomasz Napierala /* 893914ddf8SEdward Tomasz Napierala * Take two pointers to strings, concatenate the contents with "/" in the 903914ddf8SEdward Tomasz Napierala * middle, make the first pointer point to the result, the second pointer 913914ddf8SEdward Tomasz Napierala * to NULL, and free the old strings. 923914ddf8SEdward Tomasz Napierala * 933914ddf8SEdward Tomasz Napierala * Concatenate pathnames, basically. 943914ddf8SEdward Tomasz Napierala */ 953914ddf8SEdward Tomasz Napierala static void 963914ddf8SEdward Tomasz Napierala concat(char **p1, char **p2) 973914ddf8SEdward Tomasz Napierala { 983914ddf8SEdward Tomasz Napierala int ret; 993914ddf8SEdward Tomasz Napierala char *path; 1003914ddf8SEdward Tomasz Napierala 1013914ddf8SEdward Tomasz Napierala assert(p1 != NULL); 1023914ddf8SEdward Tomasz Napierala assert(p2 != NULL); 1033914ddf8SEdward Tomasz Napierala 1043914ddf8SEdward Tomasz Napierala if (*p1 == NULL) 1053914ddf8SEdward Tomasz Napierala *p1 = checked_strdup(""); 1063914ddf8SEdward Tomasz Napierala 1073914ddf8SEdward Tomasz Napierala if (*p2 == NULL) 1083914ddf8SEdward Tomasz Napierala *p2 = checked_strdup(""); 1093914ddf8SEdward Tomasz Napierala 1103914ddf8SEdward Tomasz Napierala ret = asprintf(&path, "%s/%s", *p1, *p2); 1113914ddf8SEdward Tomasz Napierala if (ret < 0) 1123914ddf8SEdward Tomasz Napierala log_err(1, "asprintf"); 1133914ddf8SEdward Tomasz Napierala 1143914ddf8SEdward Tomasz Napierala /* 1153914ddf8SEdward Tomasz Napierala * XXX 1163914ddf8SEdward Tomasz Napierala */ 1173914ddf8SEdward Tomasz Napierala //free(*p1); 1183914ddf8SEdward Tomasz Napierala //free(*p2); 1193914ddf8SEdward Tomasz Napierala 1203914ddf8SEdward Tomasz Napierala *p1 = path; 1213914ddf8SEdward Tomasz Napierala *p2 = NULL; 1223914ddf8SEdward Tomasz Napierala } 1233914ddf8SEdward Tomasz Napierala 1243914ddf8SEdward Tomasz Napierala /* 1253914ddf8SEdward Tomasz Napierala * Concatenate two strings, inserting separator between them, unless not needed. 1263914ddf8SEdward Tomasz Napierala * 1273914ddf8SEdward Tomasz Napierala * This function is very convenient to use when you do not care about freeing 1283914ddf8SEdward Tomasz Napierala * memory - which is okay here, because we are a short running process. 1293914ddf8SEdward Tomasz Napierala */ 1303914ddf8SEdward Tomasz Napierala char * 1313914ddf8SEdward Tomasz Napierala separated_concat(const char *s1, const char *s2, char separator) 1323914ddf8SEdward Tomasz Napierala { 1333914ddf8SEdward Tomasz Napierala char *result; 1343914ddf8SEdward Tomasz Napierala int ret; 1353914ddf8SEdward Tomasz Napierala 1363914ddf8SEdward Tomasz Napierala assert(s1 != NULL); 1373914ddf8SEdward Tomasz Napierala assert(s2 != NULL); 1383914ddf8SEdward Tomasz Napierala 1393914ddf8SEdward Tomasz Napierala if (s1[0] == '\0' || s2[0] == '\0' || 1403914ddf8SEdward Tomasz Napierala s1[strlen(s1) - 1] == separator || s2[0] == separator) { 1413914ddf8SEdward Tomasz Napierala ret = asprintf(&result, "%s%s", s1, s2); 1423914ddf8SEdward Tomasz Napierala } else { 1433914ddf8SEdward Tomasz Napierala ret = asprintf(&result, "%s%c%s", s1, separator, s2); 1443914ddf8SEdward Tomasz Napierala } 1453914ddf8SEdward Tomasz Napierala if (ret < 0) 1463914ddf8SEdward Tomasz Napierala log_err(1, "asprintf"); 1473914ddf8SEdward Tomasz Napierala 1483914ddf8SEdward Tomasz Napierala //log_debugx("separated_concat: got %s and %s, returning %s", s1, s2, result); 1493914ddf8SEdward Tomasz Napierala 1503914ddf8SEdward Tomasz Napierala return (result); 1513914ddf8SEdward Tomasz Napierala } 1523914ddf8SEdward Tomasz Napierala 1533914ddf8SEdward Tomasz Napierala void 1543914ddf8SEdward Tomasz Napierala create_directory(const char *path) 1553914ddf8SEdward Tomasz Napierala { 1563914ddf8SEdward Tomasz Napierala char *component, *copy, *tofree, *partial; 1573914ddf8SEdward Tomasz Napierala int error; 1583914ddf8SEdward Tomasz Napierala 1593914ddf8SEdward Tomasz Napierala assert(path[0] == '/'); 1603914ddf8SEdward Tomasz Napierala 1613914ddf8SEdward Tomasz Napierala /* 1623914ddf8SEdward Tomasz Napierala * +1 to skip the leading slash. 1633914ddf8SEdward Tomasz Napierala */ 1643914ddf8SEdward Tomasz Napierala copy = tofree = checked_strdup(path + 1); 1653914ddf8SEdward Tomasz Napierala 1663914ddf8SEdward Tomasz Napierala partial = NULL; 1673914ddf8SEdward Tomasz Napierala for (;;) { 1683914ddf8SEdward Tomasz Napierala component = strsep(©, "/"); 1693914ddf8SEdward Tomasz Napierala if (component == NULL) 1703914ddf8SEdward Tomasz Napierala break; 1713914ddf8SEdward Tomasz Napierala concat(&partial, &component); 1727ebeea9aSEdward Tomasz Napierala //log_debugx("creating \"%s\"", partial); 1733914ddf8SEdward Tomasz Napierala error = mkdir(partial, 0755); 1747ebeea9aSEdward Tomasz Napierala if (error != 0 && errno != EEXIST) { 1757ebeea9aSEdward Tomasz Napierala log_warn("cannot create %s", partial); 1767ebeea9aSEdward Tomasz Napierala return; 1777ebeea9aSEdward Tomasz Napierala } 1783914ddf8SEdward Tomasz Napierala } 1793914ddf8SEdward Tomasz Napierala 1803914ddf8SEdward Tomasz Napierala free(tofree); 1813914ddf8SEdward Tomasz Napierala } 1823914ddf8SEdward Tomasz Napierala 1833914ddf8SEdward Tomasz Napierala struct node * 1843914ddf8SEdward Tomasz Napierala node_new_root(void) 1853914ddf8SEdward Tomasz Napierala { 1863914ddf8SEdward Tomasz Napierala struct node *n; 1873914ddf8SEdward Tomasz Napierala 1883914ddf8SEdward Tomasz Napierala n = calloc(1, sizeof(*n)); 1893914ddf8SEdward Tomasz Napierala if (n == NULL) 1903914ddf8SEdward Tomasz Napierala log_err(1, "calloc"); 1913914ddf8SEdward Tomasz Napierala // XXX 1923914ddf8SEdward Tomasz Napierala n->n_key = checked_strdup("/"); 1933914ddf8SEdward Tomasz Napierala n->n_options = checked_strdup(""); 1943914ddf8SEdward Tomasz Napierala 1953914ddf8SEdward Tomasz Napierala TAILQ_INIT(&n->n_children); 1963914ddf8SEdward Tomasz Napierala 1973914ddf8SEdward Tomasz Napierala return (n); 1983914ddf8SEdward Tomasz Napierala } 1993914ddf8SEdward Tomasz Napierala 2003914ddf8SEdward Tomasz Napierala struct node * 2013914ddf8SEdward Tomasz Napierala node_new(struct node *parent, char *key, char *options, char *location, 2023914ddf8SEdward Tomasz Napierala const char *config_file, int config_line) 2033914ddf8SEdward Tomasz Napierala { 2043914ddf8SEdward Tomasz Napierala struct node *n; 2053914ddf8SEdward Tomasz Napierala 2063914ddf8SEdward Tomasz Napierala n = calloc(1, sizeof(*n)); 2073914ddf8SEdward Tomasz Napierala if (n == NULL) 2083914ddf8SEdward Tomasz Napierala log_err(1, "calloc"); 2093914ddf8SEdward Tomasz Napierala 2103914ddf8SEdward Tomasz Napierala TAILQ_INIT(&n->n_children); 2113914ddf8SEdward Tomasz Napierala assert(key != NULL); 2123dd80c05SEdward Tomasz Napierala assert(key[0] != '\0'); 2133914ddf8SEdward Tomasz Napierala n->n_key = key; 2143914ddf8SEdward Tomasz Napierala if (options != NULL) 2153914ddf8SEdward Tomasz Napierala n->n_options = options; 2163914ddf8SEdward Tomasz Napierala else 2173914ddf8SEdward Tomasz Napierala n->n_options = strdup(""); 2183914ddf8SEdward Tomasz Napierala n->n_location = location; 2193914ddf8SEdward Tomasz Napierala assert(config_file != NULL); 2203914ddf8SEdward Tomasz Napierala n->n_config_file = config_file; 2213914ddf8SEdward Tomasz Napierala assert(config_line >= 0); 2223914ddf8SEdward Tomasz Napierala n->n_config_line = config_line; 2233914ddf8SEdward Tomasz Napierala 2243914ddf8SEdward Tomasz Napierala assert(parent != NULL); 2253914ddf8SEdward Tomasz Napierala n->n_parent = parent; 2263914ddf8SEdward Tomasz Napierala TAILQ_INSERT_TAIL(&parent->n_children, n, n_next); 2273914ddf8SEdward Tomasz Napierala 2283914ddf8SEdward Tomasz Napierala return (n); 2293914ddf8SEdward Tomasz Napierala } 2303914ddf8SEdward Tomasz Napierala 2313914ddf8SEdward Tomasz Napierala struct node * 2323914ddf8SEdward Tomasz Napierala node_new_map(struct node *parent, char *key, char *options, char *map, 2333914ddf8SEdward Tomasz Napierala const char *config_file, int config_line) 2343914ddf8SEdward Tomasz Napierala { 2353914ddf8SEdward Tomasz Napierala struct node *n; 2363914ddf8SEdward Tomasz Napierala 2373914ddf8SEdward Tomasz Napierala n = calloc(1, sizeof(*n)); 2383914ddf8SEdward Tomasz Napierala if (n == NULL) 2393914ddf8SEdward Tomasz Napierala log_err(1, "calloc"); 2403914ddf8SEdward Tomasz Napierala 2413914ddf8SEdward Tomasz Napierala TAILQ_INIT(&n->n_children); 2423914ddf8SEdward Tomasz Napierala assert(key != NULL); 2433dd80c05SEdward Tomasz Napierala assert(key[0] != '\0'); 2443914ddf8SEdward Tomasz Napierala n->n_key = key; 2453914ddf8SEdward Tomasz Napierala if (options != NULL) 2463914ddf8SEdward Tomasz Napierala n->n_options = options; 2473914ddf8SEdward Tomasz Napierala else 2483914ddf8SEdward Tomasz Napierala n->n_options = strdup(""); 2493914ddf8SEdward Tomasz Napierala n->n_map = map; 2503914ddf8SEdward Tomasz Napierala assert(config_file != NULL); 2513914ddf8SEdward Tomasz Napierala n->n_config_file = config_file; 2523914ddf8SEdward Tomasz Napierala assert(config_line >= 0); 2533914ddf8SEdward Tomasz Napierala n->n_config_line = config_line; 2543914ddf8SEdward Tomasz Napierala 2553914ddf8SEdward Tomasz Napierala assert(parent != NULL); 2563914ddf8SEdward Tomasz Napierala n->n_parent = parent; 2573914ddf8SEdward Tomasz Napierala TAILQ_INSERT_TAIL(&parent->n_children, n, n_next); 2583914ddf8SEdward Tomasz Napierala 2593914ddf8SEdward Tomasz Napierala return (n); 2603914ddf8SEdward Tomasz Napierala } 2613914ddf8SEdward Tomasz Napierala 2623914ddf8SEdward Tomasz Napierala static struct node * 2633914ddf8SEdward Tomasz Napierala node_duplicate(const struct node *o, struct node *parent) 2643914ddf8SEdward Tomasz Napierala { 2653914ddf8SEdward Tomasz Napierala const struct node *child; 2663914ddf8SEdward Tomasz Napierala struct node *n; 2673914ddf8SEdward Tomasz Napierala 2683914ddf8SEdward Tomasz Napierala if (parent == NULL) 2693914ddf8SEdward Tomasz Napierala parent = o->n_parent; 2703914ddf8SEdward Tomasz Napierala 2713914ddf8SEdward Tomasz Napierala n = node_new(parent, o->n_key, o->n_options, o->n_location, 2723914ddf8SEdward Tomasz Napierala o->n_config_file, o->n_config_line); 2733914ddf8SEdward Tomasz Napierala 2743914ddf8SEdward Tomasz Napierala TAILQ_FOREACH(child, &o->n_children, n_next) 2753914ddf8SEdward Tomasz Napierala node_duplicate(child, n); 2763914ddf8SEdward Tomasz Napierala 2773914ddf8SEdward Tomasz Napierala return (n); 2783914ddf8SEdward Tomasz Napierala } 2793914ddf8SEdward Tomasz Napierala 2803914ddf8SEdward Tomasz Napierala static void 2813914ddf8SEdward Tomasz Napierala node_delete(struct node *n) 2823914ddf8SEdward Tomasz Napierala { 2833914ddf8SEdward Tomasz Napierala struct node *child, *tmp; 2843914ddf8SEdward Tomasz Napierala 2853914ddf8SEdward Tomasz Napierala assert (n != NULL); 2863914ddf8SEdward Tomasz Napierala 2873914ddf8SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(child, &n->n_children, n_next, tmp) 2883914ddf8SEdward Tomasz Napierala node_delete(child); 2893914ddf8SEdward Tomasz Napierala 2903914ddf8SEdward Tomasz Napierala if (n->n_parent != NULL) 2913914ddf8SEdward Tomasz Napierala TAILQ_REMOVE(&n->n_parent->n_children, n, n_next); 2923914ddf8SEdward Tomasz Napierala 2933914ddf8SEdward Tomasz Napierala free(n); 2943914ddf8SEdward Tomasz Napierala } 2953914ddf8SEdward Tomasz Napierala 2963914ddf8SEdward Tomasz Napierala /* 2973914ddf8SEdward Tomasz Napierala * Move (reparent) node 'n' to make it sibling of 'previous', placed 2983914ddf8SEdward Tomasz Napierala * just after it. 2993914ddf8SEdward Tomasz Napierala */ 3003914ddf8SEdward Tomasz Napierala static void 3013914ddf8SEdward Tomasz Napierala node_move_after(struct node *n, struct node *previous) 3023914ddf8SEdward Tomasz Napierala { 3033914ddf8SEdward Tomasz Napierala 3043914ddf8SEdward Tomasz Napierala TAILQ_REMOVE(&n->n_parent->n_children, n, n_next); 3053914ddf8SEdward Tomasz Napierala n->n_parent = previous->n_parent; 3063914ddf8SEdward Tomasz Napierala TAILQ_INSERT_AFTER(&previous->n_parent->n_children, previous, n, n_next); 3073914ddf8SEdward Tomasz Napierala } 3083914ddf8SEdward Tomasz Napierala 3093914ddf8SEdward Tomasz Napierala static void 3103914ddf8SEdward Tomasz Napierala node_expand_includes(struct node *root, bool is_master) 3113914ddf8SEdward Tomasz Napierala { 3123914ddf8SEdward Tomasz Napierala struct node *n, *n2, *tmp, *tmp2, *tmproot; 3133914ddf8SEdward Tomasz Napierala int error; 3143914ddf8SEdward Tomasz Napierala 3153914ddf8SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(n, &root->n_children, n_next, tmp) { 3163914ddf8SEdward Tomasz Napierala if (n->n_key[0] != '+') 3173914ddf8SEdward Tomasz Napierala continue; 3183914ddf8SEdward Tomasz Napierala 3193914ddf8SEdward Tomasz Napierala error = access(AUTO_INCLUDE_PATH, F_OK); 3203914ddf8SEdward Tomasz Napierala if (error != 0) { 3213914ddf8SEdward Tomasz Napierala log_errx(1, "directory services not configured; " 3223914ddf8SEdward Tomasz Napierala "%s does not exist", AUTO_INCLUDE_PATH); 3233914ddf8SEdward Tomasz Napierala } 3243914ddf8SEdward Tomasz Napierala 3253914ddf8SEdward Tomasz Napierala /* 3263914ddf8SEdward Tomasz Napierala * "+1" to skip leading "+". 3273914ddf8SEdward Tomasz Napierala */ 3283914ddf8SEdward Tomasz Napierala yyin = auto_popen(AUTO_INCLUDE_PATH, n->n_key + 1, NULL); 3293914ddf8SEdward Tomasz Napierala assert(yyin != NULL); 3303914ddf8SEdward Tomasz Napierala 3313914ddf8SEdward Tomasz Napierala tmproot = node_new_root(); 3323914ddf8SEdward Tomasz Napierala if (is_master) 3333914ddf8SEdward Tomasz Napierala parse_master_yyin(tmproot, n->n_key); 3343914ddf8SEdward Tomasz Napierala else 3353914ddf8SEdward Tomasz Napierala parse_map_yyin(tmproot, n->n_key, NULL); 3363914ddf8SEdward Tomasz Napierala 3373914ddf8SEdward Tomasz Napierala error = auto_pclose(yyin); 3383914ddf8SEdward Tomasz Napierala yyin = NULL; 3393914ddf8SEdward Tomasz Napierala if (error != 0) { 3403914ddf8SEdward Tomasz Napierala log_errx(1, "failed to handle include \"%s\"", 3413914ddf8SEdward Tomasz Napierala n->n_key); 3423914ddf8SEdward Tomasz Napierala } 3433914ddf8SEdward Tomasz Napierala 3443914ddf8SEdward Tomasz Napierala /* 3453914ddf8SEdward Tomasz Napierala * Entries to be included are now in tmproot. We need to merge 3463914ddf8SEdward Tomasz Napierala * them with the rest, preserving their place and ordering. 3473914ddf8SEdward Tomasz Napierala */ 3483914ddf8SEdward Tomasz Napierala TAILQ_FOREACH_REVERSE_SAFE(n2, 3493914ddf8SEdward Tomasz Napierala &tmproot->n_children, nodehead, n_next, tmp2) { 3503914ddf8SEdward Tomasz Napierala node_move_after(n2, n); 3513914ddf8SEdward Tomasz Napierala } 3523914ddf8SEdward Tomasz Napierala 3533914ddf8SEdward Tomasz Napierala node_delete(n); 3543914ddf8SEdward Tomasz Napierala node_delete(tmproot); 3553914ddf8SEdward Tomasz Napierala } 3563914ddf8SEdward Tomasz Napierala } 3573914ddf8SEdward Tomasz Napierala 3583914ddf8SEdward Tomasz Napierala static char * 3593914ddf8SEdward Tomasz Napierala expand_ampersand(char *string, const char *key) 3603914ddf8SEdward Tomasz Napierala { 3613914ddf8SEdward Tomasz Napierala char c, *expanded; 3623914ddf8SEdward Tomasz Napierala int i, ret, before_len = 0; 3633914ddf8SEdward Tomasz Napierala bool backslashed = false; 3643914ddf8SEdward Tomasz Napierala 3653914ddf8SEdward Tomasz Napierala assert(key[0] != '\0'); 3663914ddf8SEdward Tomasz Napierala 3673914ddf8SEdward Tomasz Napierala expanded = checked_strdup(string); 3683914ddf8SEdward Tomasz Napierala 3693914ddf8SEdward Tomasz Napierala for (i = 0; string[i] != '\0'; i++) { 3703914ddf8SEdward Tomasz Napierala c = string[i]; 3713914ddf8SEdward Tomasz Napierala if (c == '\\' && backslashed == false) { 3723914ddf8SEdward Tomasz Napierala backslashed = true; 3733914ddf8SEdward Tomasz Napierala continue; 3743914ddf8SEdward Tomasz Napierala } 3753914ddf8SEdward Tomasz Napierala if (backslashed) { 3763914ddf8SEdward Tomasz Napierala backslashed = false; 3773914ddf8SEdward Tomasz Napierala continue; 3783914ddf8SEdward Tomasz Napierala } 3793914ddf8SEdward Tomasz Napierala backslashed = false; 3803914ddf8SEdward Tomasz Napierala if (c != '&') 3813914ddf8SEdward Tomasz Napierala continue; 3823914ddf8SEdward Tomasz Napierala 3833914ddf8SEdward Tomasz Napierala /* 3843914ddf8SEdward Tomasz Napierala * The 'before_len' variable contains the number 3853914ddf8SEdward Tomasz Napierala * of characters before the '&'. 3863914ddf8SEdward Tomasz Napierala */ 3873914ddf8SEdward Tomasz Napierala before_len = i; 3883914ddf8SEdward Tomasz Napierala //assert(i + 1 < (int)strlen(string)); 3893914ddf8SEdward Tomasz Napierala 3903914ddf8SEdward Tomasz Napierala ret = asprintf(&expanded, "%.*s%s%s", 3913914ddf8SEdward Tomasz Napierala before_len, string, key, string + before_len + 1); 3923914ddf8SEdward Tomasz Napierala if (ret < 0) 3933914ddf8SEdward Tomasz Napierala log_err(1, "asprintf"); 3943914ddf8SEdward Tomasz Napierala 3953914ddf8SEdward Tomasz Napierala //log_debugx("\"%s\" expanded with key \"%s\" to \"%s\"", 3963914ddf8SEdward Tomasz Napierala // string, key, expanded); 3973914ddf8SEdward Tomasz Napierala 3983914ddf8SEdward Tomasz Napierala /* 3993914ddf8SEdward Tomasz Napierala * Figure out where to start searching for next variable. 4003914ddf8SEdward Tomasz Napierala */ 4013914ddf8SEdward Tomasz Napierala string = expanded; 4023914ddf8SEdward Tomasz Napierala i = before_len + strlen(key); 4033914ddf8SEdward Tomasz Napierala backslashed = false; 4043914ddf8SEdward Tomasz Napierala //assert(i < (int)strlen(string)); 4053914ddf8SEdward Tomasz Napierala } 4063914ddf8SEdward Tomasz Napierala 4073914ddf8SEdward Tomasz Napierala return (expanded); 4083914ddf8SEdward Tomasz Napierala } 4093914ddf8SEdward Tomasz Napierala 4103914ddf8SEdward Tomasz Napierala /* 4113914ddf8SEdward Tomasz Napierala * Expand "&" in n_location. If the key is NULL, try to use 4123914ddf8SEdward Tomasz Napierala * key from map entries themselves. Keep in mind that maps 4133914ddf8SEdward Tomasz Napierala * consist of tho levels of node structures, the key is one 4143914ddf8SEdward Tomasz Napierala * level up. 4153914ddf8SEdward Tomasz Napierala * 4163914ddf8SEdward Tomasz Napierala * Variant with NULL key is for "automount -LL". 4173914ddf8SEdward Tomasz Napierala */ 4183914ddf8SEdward Tomasz Napierala void 4193914ddf8SEdward Tomasz Napierala node_expand_ampersand(struct node *n, const char *key) 4203914ddf8SEdward Tomasz Napierala { 4213914ddf8SEdward Tomasz Napierala struct node *child; 4223914ddf8SEdward Tomasz Napierala 4233914ddf8SEdward Tomasz Napierala if (n->n_location != NULL) { 4243914ddf8SEdward Tomasz Napierala if (key == NULL) { 4253914ddf8SEdward Tomasz Napierala if (n->n_parent != NULL && 4263914ddf8SEdward Tomasz Napierala strcmp(n->n_parent->n_key, "*") != 0) { 4273914ddf8SEdward Tomasz Napierala n->n_location = expand_ampersand(n->n_location, 4283914ddf8SEdward Tomasz Napierala n->n_parent->n_key); 4293914ddf8SEdward Tomasz Napierala } 4303914ddf8SEdward Tomasz Napierala } else { 4313914ddf8SEdward Tomasz Napierala n->n_location = expand_ampersand(n->n_location, key); 4323914ddf8SEdward Tomasz Napierala } 4333914ddf8SEdward Tomasz Napierala } 4343914ddf8SEdward Tomasz Napierala 4353914ddf8SEdward Tomasz Napierala TAILQ_FOREACH(child, &n->n_children, n_next) 4363914ddf8SEdward Tomasz Napierala node_expand_ampersand(child, key); 4373914ddf8SEdward Tomasz Napierala } 4383914ddf8SEdward Tomasz Napierala 4393914ddf8SEdward Tomasz Napierala /* 4403914ddf8SEdward Tomasz Napierala * Expand "*" in n_key. 4413914ddf8SEdward Tomasz Napierala */ 4423914ddf8SEdward Tomasz Napierala void 4433914ddf8SEdward Tomasz Napierala node_expand_wildcard(struct node *n, const char *key) 4443914ddf8SEdward Tomasz Napierala { 4453914ddf8SEdward Tomasz Napierala struct node *child, *expanded; 4463914ddf8SEdward Tomasz Napierala 4473914ddf8SEdward Tomasz Napierala assert(key != NULL); 4483914ddf8SEdward Tomasz Napierala 4493914ddf8SEdward Tomasz Napierala if (strcmp(n->n_key, "*") == 0) { 4503914ddf8SEdward Tomasz Napierala expanded = node_duplicate(n, NULL); 4513914ddf8SEdward Tomasz Napierala expanded->n_key = checked_strdup(key); 4523914ddf8SEdward Tomasz Napierala node_move_after(expanded, n); 4533914ddf8SEdward Tomasz Napierala } 4543914ddf8SEdward Tomasz Napierala 4553914ddf8SEdward Tomasz Napierala TAILQ_FOREACH(child, &n->n_children, n_next) 4563914ddf8SEdward Tomasz Napierala node_expand_wildcard(child, key); 4573914ddf8SEdward Tomasz Napierala } 4583914ddf8SEdward Tomasz Napierala 4593914ddf8SEdward Tomasz Napierala int 4603914ddf8SEdward Tomasz Napierala node_expand_defined(struct node *n) 4613914ddf8SEdward Tomasz Napierala { 4623914ddf8SEdward Tomasz Napierala struct node *child; 4633914ddf8SEdward Tomasz Napierala int error, cumulated_error = 0; 4643914ddf8SEdward Tomasz Napierala 4653914ddf8SEdward Tomasz Napierala if (n->n_location != NULL) { 4663914ddf8SEdward Tomasz Napierala n->n_location = defined_expand(n->n_location); 4673914ddf8SEdward Tomasz Napierala if (n->n_location == NULL) { 4683914ddf8SEdward Tomasz Napierala log_warnx("failed to expand location for %s", 4693914ddf8SEdward Tomasz Napierala node_path(n)); 4703914ddf8SEdward Tomasz Napierala return (EINVAL); 4713914ddf8SEdward Tomasz Napierala } 4723914ddf8SEdward Tomasz Napierala } 4733914ddf8SEdward Tomasz Napierala 4743914ddf8SEdward Tomasz Napierala TAILQ_FOREACH(child, &n->n_children, n_next) { 4753914ddf8SEdward Tomasz Napierala error = node_expand_defined(child); 4763914ddf8SEdward Tomasz Napierala if (error != 0 && cumulated_error == 0) 4773914ddf8SEdward Tomasz Napierala cumulated_error = error; 4783914ddf8SEdward Tomasz Napierala } 4793914ddf8SEdward Tomasz Napierala 4803914ddf8SEdward Tomasz Napierala return (cumulated_error); 4813914ddf8SEdward Tomasz Napierala } 4823914ddf8SEdward Tomasz Napierala 4833914ddf8SEdward Tomasz Napierala bool 4843914ddf8SEdward Tomasz Napierala node_is_direct_map(const struct node *n) 4853914ddf8SEdward Tomasz Napierala { 4863914ddf8SEdward Tomasz Napierala 4873914ddf8SEdward Tomasz Napierala for (;;) { 4883914ddf8SEdward Tomasz Napierala assert(n->n_parent != NULL); 4893914ddf8SEdward Tomasz Napierala if (n->n_parent->n_parent == NULL) 4903914ddf8SEdward Tomasz Napierala break; 4913914ddf8SEdward Tomasz Napierala n = n->n_parent; 4923914ddf8SEdward Tomasz Napierala } 4933914ddf8SEdward Tomasz Napierala 4943914ddf8SEdward Tomasz Napierala assert(n->n_key != NULL); 4953914ddf8SEdward Tomasz Napierala if (strcmp(n->n_key, "/-") != 0) 4963914ddf8SEdward Tomasz Napierala return (false); 4973914ddf8SEdward Tomasz Napierala 4983914ddf8SEdward Tomasz Napierala return (true); 4993914ddf8SEdward Tomasz Napierala } 5003914ddf8SEdward Tomasz Napierala 5014cdc52bdSEdward Tomasz Napierala bool 5024cdc52bdSEdward Tomasz Napierala node_has_wildcards(const struct node *n) 5034cdc52bdSEdward Tomasz Napierala { 5044cdc52bdSEdward Tomasz Napierala const struct node *child; 5054cdc52bdSEdward Tomasz Napierala 5064cdc52bdSEdward Tomasz Napierala TAILQ_FOREACH(child, &n->n_children, n_next) { 5074cdc52bdSEdward Tomasz Napierala if (strcmp(child->n_key, "*") == 0) 5084cdc52bdSEdward Tomasz Napierala return (true); 5094cdc52bdSEdward Tomasz Napierala } 5104cdc52bdSEdward Tomasz Napierala 5114cdc52bdSEdward Tomasz Napierala return (false); 5124cdc52bdSEdward Tomasz Napierala } 5134cdc52bdSEdward Tomasz Napierala 5143914ddf8SEdward Tomasz Napierala static void 5153914ddf8SEdward Tomasz Napierala node_expand_maps(struct node *n, bool indirect) 5163914ddf8SEdward Tomasz Napierala { 5173914ddf8SEdward Tomasz Napierala struct node *child, *tmp; 5183914ddf8SEdward Tomasz Napierala 5193914ddf8SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(child, &n->n_children, n_next, tmp) { 5203914ddf8SEdward Tomasz Napierala if (node_is_direct_map(child)) { 5213914ddf8SEdward Tomasz Napierala if (indirect) 5223914ddf8SEdward Tomasz Napierala continue; 5233914ddf8SEdward Tomasz Napierala } else { 5243914ddf8SEdward Tomasz Napierala if (indirect == false) 5253914ddf8SEdward Tomasz Napierala continue; 5263914ddf8SEdward Tomasz Napierala } 5273914ddf8SEdward Tomasz Napierala 5283914ddf8SEdward Tomasz Napierala /* 5293914ddf8SEdward Tomasz Napierala * This is the first-level map node; the one that contains 5303914ddf8SEdward Tomasz Napierala * the key and subnodes with mountpoints and actual map names. 5313914ddf8SEdward Tomasz Napierala */ 5323914ddf8SEdward Tomasz Napierala if (child->n_map == NULL) 5333914ddf8SEdward Tomasz Napierala continue; 5343914ddf8SEdward Tomasz Napierala 5353914ddf8SEdward Tomasz Napierala if (indirect) { 5363914ddf8SEdward Tomasz Napierala log_debugx("map \"%s\" is an indirect map, parsing", 5373914ddf8SEdward Tomasz Napierala child->n_map); 5383914ddf8SEdward Tomasz Napierala } else { 5393914ddf8SEdward Tomasz Napierala log_debugx("map \"%s\" is a direct map, parsing", 5403914ddf8SEdward Tomasz Napierala child->n_map); 5413914ddf8SEdward Tomasz Napierala } 5424cdc52bdSEdward Tomasz Napierala parse_map(child, child->n_map, NULL, NULL); 5433914ddf8SEdward Tomasz Napierala } 5443914ddf8SEdward Tomasz Napierala } 5453914ddf8SEdward Tomasz Napierala 5463914ddf8SEdward Tomasz Napierala static void 5473914ddf8SEdward Tomasz Napierala node_expand_direct_maps(struct node *n) 5483914ddf8SEdward Tomasz Napierala { 5493914ddf8SEdward Tomasz Napierala 5503914ddf8SEdward Tomasz Napierala node_expand_maps(n, false); 5513914ddf8SEdward Tomasz Napierala } 5523914ddf8SEdward Tomasz Napierala 5533914ddf8SEdward Tomasz Napierala void 5543914ddf8SEdward Tomasz Napierala node_expand_indirect_maps(struct node *n) 5553914ddf8SEdward Tomasz Napierala { 5563914ddf8SEdward Tomasz Napierala 5573914ddf8SEdward Tomasz Napierala node_expand_maps(n, true); 5583914ddf8SEdward Tomasz Napierala } 5593914ddf8SEdward Tomasz Napierala 5603914ddf8SEdward Tomasz Napierala static char * 5613914ddf8SEdward Tomasz Napierala node_path_x(const struct node *n, char *x) 5623914ddf8SEdward Tomasz Napierala { 5633914ddf8SEdward Tomasz Napierala char *path; 5643914ddf8SEdward Tomasz Napierala 5653914ddf8SEdward Tomasz Napierala if (n->n_parent == NULL) 5663914ddf8SEdward Tomasz Napierala return (x); 5673914ddf8SEdward Tomasz Napierala 5683914ddf8SEdward Tomasz Napierala /* 5693914ddf8SEdward Tomasz Napierala * Return "/-" for direct maps only if we were asked for path 5703914ddf8SEdward Tomasz Napierala * to the "/-" node itself, not to any of its subnodes. 5713914ddf8SEdward Tomasz Napierala */ 5723914ddf8SEdward Tomasz Napierala if (n->n_parent->n_parent == NULL && 5733914ddf8SEdward Tomasz Napierala strcmp(n->n_key, "/-") == 0 && 5743914ddf8SEdward Tomasz Napierala x[0] != '\0') { 5753914ddf8SEdward Tomasz Napierala return (x); 5763914ddf8SEdward Tomasz Napierala } 5773914ddf8SEdward Tomasz Napierala 5783dd80c05SEdward Tomasz Napierala assert(n->n_key[0] != '\0'); 5793914ddf8SEdward Tomasz Napierala path = separated_concat(n->n_key, x, '/'); 5803914ddf8SEdward Tomasz Napierala free(x); 5813914ddf8SEdward Tomasz Napierala 5823914ddf8SEdward Tomasz Napierala return (node_path_x(n->n_parent, path)); 5833914ddf8SEdward Tomasz Napierala } 5843914ddf8SEdward Tomasz Napierala 5853914ddf8SEdward Tomasz Napierala /* 5863914ddf8SEdward Tomasz Napierala * Return full path for node, consisting of concatenated 5873914ddf8SEdward Tomasz Napierala * paths of node itself and all its parents, up to the root. 5883914ddf8SEdward Tomasz Napierala */ 5893914ddf8SEdward Tomasz Napierala char * 5903914ddf8SEdward Tomasz Napierala node_path(const struct node *n) 5913914ddf8SEdward Tomasz Napierala { 592*1bc6f464SEdward Tomasz Napierala char *path; 593*1bc6f464SEdward Tomasz Napierala size_t len; 5943914ddf8SEdward Tomasz Napierala 595*1bc6f464SEdward Tomasz Napierala path = node_path_x(n, checked_strdup("")); 596*1bc6f464SEdward Tomasz Napierala 597*1bc6f464SEdward Tomasz Napierala /* 598*1bc6f464SEdward Tomasz Napierala * Strip trailing slash, unless the whole path is "/". 599*1bc6f464SEdward Tomasz Napierala */ 600*1bc6f464SEdward Tomasz Napierala len = strlen(path); 601*1bc6f464SEdward Tomasz Napierala if (len > 1 && path[len - 1] == '/') 602*1bc6f464SEdward Tomasz Napierala path[len - 1] = '\0'; 603*1bc6f464SEdward Tomasz Napierala 604*1bc6f464SEdward Tomasz Napierala return (path); 6053914ddf8SEdward Tomasz Napierala } 6063914ddf8SEdward Tomasz Napierala 6073914ddf8SEdward Tomasz Napierala static char * 6083914ddf8SEdward Tomasz Napierala node_options_x(const struct node *n, char *x) 6093914ddf8SEdward Tomasz Napierala { 6103914ddf8SEdward Tomasz Napierala char *options; 6113914ddf8SEdward Tomasz Napierala 6123914ddf8SEdward Tomasz Napierala options = separated_concat(x, n->n_options, ','); 6133914ddf8SEdward Tomasz Napierala if (n->n_parent == NULL) 6143914ddf8SEdward Tomasz Napierala return (options); 6153914ddf8SEdward Tomasz Napierala 6163914ddf8SEdward Tomasz Napierala return (node_options_x(n->n_parent, options)); 6173914ddf8SEdward Tomasz Napierala } 6183914ddf8SEdward Tomasz Napierala 6193914ddf8SEdward Tomasz Napierala /* 6203914ddf8SEdward Tomasz Napierala * Return options for node, consisting of concatenated 6213914ddf8SEdward Tomasz Napierala * options from the node itself and all its parents, 6223914ddf8SEdward Tomasz Napierala * up to the root. 6233914ddf8SEdward Tomasz Napierala */ 6243914ddf8SEdward Tomasz Napierala char * 6253914ddf8SEdward Tomasz Napierala node_options(const struct node *n) 6263914ddf8SEdward Tomasz Napierala { 6273914ddf8SEdward Tomasz Napierala 6283914ddf8SEdward Tomasz Napierala return (node_options_x(n, checked_strdup(""))); 6293914ddf8SEdward Tomasz Napierala } 6303914ddf8SEdward Tomasz Napierala 6313914ddf8SEdward Tomasz Napierala static void 6323914ddf8SEdward Tomasz Napierala node_print_indent(const struct node *n, int indent) 6333914ddf8SEdward Tomasz Napierala { 6343914ddf8SEdward Tomasz Napierala const struct node *child, *first_child; 6353914ddf8SEdward Tomasz Napierala char *path, *options; 6363914ddf8SEdward Tomasz Napierala 6373914ddf8SEdward Tomasz Napierala path = node_path(n); 6383914ddf8SEdward Tomasz Napierala options = node_options(n); 6393914ddf8SEdward Tomasz Napierala 6403914ddf8SEdward Tomasz Napierala /* 6413914ddf8SEdward Tomasz Napierala * Do not show both parent and child node if they have the same 6423914ddf8SEdward Tomasz Napierala * mountpoint; only show the child node. This means the typical, 6433914ddf8SEdward Tomasz Napierala * "key location", map entries are shown in a single line; 6443914ddf8SEdward Tomasz Napierala * the "key mountpoint1 location2 mountpoint2 location2" entries 6453914ddf8SEdward Tomasz Napierala * take multiple lines. 6463914ddf8SEdward Tomasz Napierala */ 6473914ddf8SEdward Tomasz Napierala first_child = TAILQ_FIRST(&n->n_children); 6483914ddf8SEdward Tomasz Napierala if (first_child == NULL || TAILQ_NEXT(first_child, n_next) != NULL || 6493914ddf8SEdward Tomasz Napierala strcmp(path, node_path(first_child)) != 0) { 6503914ddf8SEdward Tomasz Napierala assert(n->n_location == NULL || n->n_map == NULL); 6513914ddf8SEdward Tomasz Napierala printf("%*.s%-*s %s%-*s %-*s # %s map %s at %s:%d\n", 6523914ddf8SEdward Tomasz Napierala indent, "", 6533914ddf8SEdward Tomasz Napierala 25 - indent, 6543914ddf8SEdward Tomasz Napierala path, 6553914ddf8SEdward Tomasz Napierala options[0] != '\0' ? "-" : " ", 6563914ddf8SEdward Tomasz Napierala 20, 6573914ddf8SEdward Tomasz Napierala options[0] != '\0' ? options : "", 6583914ddf8SEdward Tomasz Napierala 20, 6593914ddf8SEdward Tomasz Napierala n->n_location != NULL ? n->n_location : n->n_map != NULL ? n->n_map : "", 6603914ddf8SEdward Tomasz Napierala node_is_direct_map(n) ? "direct" : "indirect", 6613914ddf8SEdward Tomasz Napierala indent == 0 ? "referenced" : "defined", 6623914ddf8SEdward Tomasz Napierala n->n_config_file, n->n_config_line); 6633914ddf8SEdward Tomasz Napierala } 6643914ddf8SEdward Tomasz Napierala 6653914ddf8SEdward Tomasz Napierala free(path); 6663914ddf8SEdward Tomasz Napierala free(options); 6673914ddf8SEdward Tomasz Napierala 6683914ddf8SEdward Tomasz Napierala TAILQ_FOREACH(child, &n->n_children, n_next) 6693914ddf8SEdward Tomasz Napierala node_print_indent(child, indent + 2); 6703914ddf8SEdward Tomasz Napierala } 6713914ddf8SEdward Tomasz Napierala 6723914ddf8SEdward Tomasz Napierala void 6733914ddf8SEdward Tomasz Napierala node_print(const struct node *n) 6743914ddf8SEdward Tomasz Napierala { 6753914ddf8SEdward Tomasz Napierala const struct node *child; 6763914ddf8SEdward Tomasz Napierala 6773914ddf8SEdward Tomasz Napierala TAILQ_FOREACH(child, &n->n_children, n_next) 6783914ddf8SEdward Tomasz Napierala node_print_indent(child, 0); 6793914ddf8SEdward Tomasz Napierala } 6803914ddf8SEdward Tomasz Napierala 681cc4026a4SEdward Tomasz Napierala static struct node * 682cc4026a4SEdward Tomasz Napierala node_find_x(struct node *node, const char *path) 6833914ddf8SEdward Tomasz Napierala { 6843914ddf8SEdward Tomasz Napierala struct node *child, *found; 6853914ddf8SEdward Tomasz Napierala char *tmp; 686c37463b3SEdward Tomasz Napierala size_t tmplen; 6873914ddf8SEdward Tomasz Napierala 6883914ddf8SEdward Tomasz Napierala //log_debugx("looking up %s in %s", path, node->n_key); 6893914ddf8SEdward Tomasz Napierala 6903914ddf8SEdward Tomasz Napierala tmp = node_path(node); 691c37463b3SEdward Tomasz Napierala tmplen = strlen(tmp); 692c37463b3SEdward Tomasz Napierala if (strncmp(tmp, path, tmplen) != 0) { 693c37463b3SEdward Tomasz Napierala free(tmp); 694c37463b3SEdward Tomasz Napierala return (NULL); 695c37463b3SEdward Tomasz Napierala } 696c37463b3SEdward Tomasz Napierala if (path[tmplen] != '/' && path[tmplen] != '\0') { 697c37463b3SEdward Tomasz Napierala /* 698c37463b3SEdward Tomasz Napierala * If we have two map entries like 'foo' and 'foobar', make 699c37463b3SEdward Tomasz Napierala * sure the search for 'foobar' won't match 'foo' instead. 700c37463b3SEdward Tomasz Napierala */ 7013914ddf8SEdward Tomasz Napierala free(tmp); 7023914ddf8SEdward Tomasz Napierala return (NULL); 7033914ddf8SEdward Tomasz Napierala } 7043914ddf8SEdward Tomasz Napierala free(tmp); 7053914ddf8SEdward Tomasz Napierala 7063914ddf8SEdward Tomasz Napierala TAILQ_FOREACH(child, &node->n_children, n_next) { 707cc4026a4SEdward Tomasz Napierala found = node_find_x(child, path); 7083914ddf8SEdward Tomasz Napierala if (found != NULL) 7093914ddf8SEdward Tomasz Napierala return (found); 7103914ddf8SEdward Tomasz Napierala } 7113914ddf8SEdward Tomasz Napierala 7123914ddf8SEdward Tomasz Napierala return (node); 7133914ddf8SEdward Tomasz Napierala } 7143914ddf8SEdward Tomasz Napierala 715cc4026a4SEdward Tomasz Napierala struct node * 716cc4026a4SEdward Tomasz Napierala node_find(struct node *root, const char *path) 717cc4026a4SEdward Tomasz Napierala { 718cc4026a4SEdward Tomasz Napierala struct node *node; 719cc4026a4SEdward Tomasz Napierala 720cc4026a4SEdward Tomasz Napierala node = node_find_x(root, path); 721cc4026a4SEdward Tomasz Napierala if (node == root) 722cc4026a4SEdward Tomasz Napierala return (NULL); 723cc4026a4SEdward Tomasz Napierala return (node); 724cc4026a4SEdward Tomasz Napierala } 725cc4026a4SEdward Tomasz Napierala 7263914ddf8SEdward Tomasz Napierala /* 7273914ddf8SEdward Tomasz Napierala * Canonical form of a map entry looks like this: 7283914ddf8SEdward Tomasz Napierala * 7293914ddf8SEdward Tomasz Napierala * key [-options] [ [/mountpoint] [-options2] location ... ] 7303914ddf8SEdward Tomasz Napierala * 7313914ddf8SEdward Tomasz Napierala * Entries for executable maps are slightly different, as they 7323914ddf8SEdward Tomasz Napierala * lack the 'key' field and are always single-line; the key field 7333914ddf8SEdward Tomasz Napierala * for those maps is taken from 'executable_key' argument. 7343914ddf8SEdward Tomasz Napierala * 7353914ddf8SEdward Tomasz Napierala * We parse it in such a way that a map always has two levels - first 7363914ddf8SEdward Tomasz Napierala * for key, and the second, for the mountpoint. 7373914ddf8SEdward Tomasz Napierala */ 7383914ddf8SEdward Tomasz Napierala static void 7393914ddf8SEdward Tomasz Napierala parse_map_yyin(struct node *parent, const char *map, const char *executable_key) 7403914ddf8SEdward Tomasz Napierala { 7413914ddf8SEdward Tomasz Napierala char *key = NULL, *options = NULL, *mountpoint = NULL, 7423914ddf8SEdward Tomasz Napierala *options2 = NULL, *location = NULL; 7433914ddf8SEdward Tomasz Napierala int ret; 7443914ddf8SEdward Tomasz Napierala struct node *node; 7453914ddf8SEdward Tomasz Napierala 7463914ddf8SEdward Tomasz Napierala lineno = 1; 7473914ddf8SEdward Tomasz Napierala 7483914ddf8SEdward Tomasz Napierala if (executable_key != NULL) 7493914ddf8SEdward Tomasz Napierala key = checked_strdup(executable_key); 7503914ddf8SEdward Tomasz Napierala 7513914ddf8SEdward Tomasz Napierala for (;;) { 7523914ddf8SEdward Tomasz Napierala ret = yylex(); 7533914ddf8SEdward Tomasz Napierala if (ret == 0 || ret == NEWLINE) { 75430ae6e00SEdward Tomasz Napierala /* 75530ae6e00SEdward Tomasz Napierala * In case of executable map, the key is always 75630ae6e00SEdward Tomasz Napierala * non-NULL, even if the map is empty. So, make sure 75730ae6e00SEdward Tomasz Napierala * we don't fail empty maps here. 75830ae6e00SEdward Tomasz Napierala */ 75930ae6e00SEdward Tomasz Napierala if ((key != NULL && executable_key == NULL) || 76030ae6e00SEdward Tomasz Napierala options != NULL) { 7613914ddf8SEdward Tomasz Napierala log_errx(1, "truncated entry at %s, line %d", 7623914ddf8SEdward Tomasz Napierala map, lineno); 7633914ddf8SEdward Tomasz Napierala } 7643914ddf8SEdward Tomasz Napierala if (ret == 0 || executable_key != NULL) { 7653914ddf8SEdward Tomasz Napierala /* 7663914ddf8SEdward Tomasz Napierala * End of file. 7673914ddf8SEdward Tomasz Napierala */ 7683914ddf8SEdward Tomasz Napierala break; 7693914ddf8SEdward Tomasz Napierala } else { 7703914ddf8SEdward Tomasz Napierala key = options = NULL; 7713914ddf8SEdward Tomasz Napierala continue; 7723914ddf8SEdward Tomasz Napierala } 7733914ddf8SEdward Tomasz Napierala } 7743914ddf8SEdward Tomasz Napierala if (key == NULL) { 7753914ddf8SEdward Tomasz Napierala key = checked_strdup(yytext); 7763914ddf8SEdward Tomasz Napierala if (key[0] == '+') { 7773914ddf8SEdward Tomasz Napierala node_new(parent, key, NULL, NULL, map, lineno); 7783914ddf8SEdward Tomasz Napierala key = options = NULL; 7793914ddf8SEdward Tomasz Napierala continue; 7803914ddf8SEdward Tomasz Napierala } 7813914ddf8SEdward Tomasz Napierala continue; 7823914ddf8SEdward Tomasz Napierala } else if (yytext[0] == '-') { 7833914ddf8SEdward Tomasz Napierala if (options != NULL) { 7843914ddf8SEdward Tomasz Napierala log_errx(1, "duplicated options at %s, line %d", 7853914ddf8SEdward Tomasz Napierala map, lineno); 7863914ddf8SEdward Tomasz Napierala } 7873914ddf8SEdward Tomasz Napierala /* 7883914ddf8SEdward Tomasz Napierala * +1 to skip leading "-". 7893914ddf8SEdward Tomasz Napierala */ 7903914ddf8SEdward Tomasz Napierala options = checked_strdup(yytext + 1); 7913914ddf8SEdward Tomasz Napierala continue; 7923914ddf8SEdward Tomasz Napierala } 7933914ddf8SEdward Tomasz Napierala 7943914ddf8SEdward Tomasz Napierala /* 7953914ddf8SEdward Tomasz Napierala * We cannot properly handle a situation where the map key 7963914ddf8SEdward Tomasz Napierala * is "/". Ignore such entries. 7973914ddf8SEdward Tomasz Napierala * 7983914ddf8SEdward Tomasz Napierala * XXX: According to Piete Brooks, Linux automounter uses 7993914ddf8SEdward Tomasz Napierala * "/" as a wildcard character in LDAP maps. Perhaps 8003914ddf8SEdward Tomasz Napierala * we should work around this braindamage by substituting 8013914ddf8SEdward Tomasz Napierala * "*" for "/"? 8023914ddf8SEdward Tomasz Napierala */ 8033914ddf8SEdward Tomasz Napierala if (strcmp(key, "/") == 0) { 8043914ddf8SEdward Tomasz Napierala log_warnx("nonsensical map key \"/\" at %s, line %d; " 8053914ddf8SEdward Tomasz Napierala "ignoring map entry ", map, lineno); 8063914ddf8SEdward Tomasz Napierala 8073914ddf8SEdward Tomasz Napierala /* 8083914ddf8SEdward Tomasz Napierala * Skip the rest of the entry. 8093914ddf8SEdward Tomasz Napierala */ 8103914ddf8SEdward Tomasz Napierala do { 8113914ddf8SEdward Tomasz Napierala ret = yylex(); 8123914ddf8SEdward Tomasz Napierala } while (ret != 0 && ret != NEWLINE); 8133914ddf8SEdward Tomasz Napierala 8143914ddf8SEdward Tomasz Napierala key = options = NULL; 8153914ddf8SEdward Tomasz Napierala continue; 8163914ddf8SEdward Tomasz Napierala } 8173914ddf8SEdward Tomasz Napierala 8183914ddf8SEdward Tomasz Napierala //log_debugx("adding map node, %s", key); 8193914ddf8SEdward Tomasz Napierala node = node_new(parent, key, options, NULL, map, lineno); 8203914ddf8SEdward Tomasz Napierala key = options = NULL; 8213914ddf8SEdward Tomasz Napierala 8223914ddf8SEdward Tomasz Napierala for (;;) { 8233914ddf8SEdward Tomasz Napierala if (yytext[0] == '/') { 8243914ddf8SEdward Tomasz Napierala if (mountpoint != NULL) { 8253914ddf8SEdward Tomasz Napierala log_errx(1, "duplicated mountpoint " 8263914ddf8SEdward Tomasz Napierala "in %s, line %d", map, lineno); 8273914ddf8SEdward Tomasz Napierala } 8283914ddf8SEdward Tomasz Napierala if (options2 != NULL || location != NULL) { 8293914ddf8SEdward Tomasz Napierala log_errx(1, "mountpoint out of order " 8303914ddf8SEdward Tomasz Napierala "in %s, line %d", map, lineno); 8313914ddf8SEdward Tomasz Napierala } 8323914ddf8SEdward Tomasz Napierala mountpoint = checked_strdup(yytext); 8333914ddf8SEdward Tomasz Napierala goto again; 8343914ddf8SEdward Tomasz Napierala } 8353914ddf8SEdward Tomasz Napierala 8363914ddf8SEdward Tomasz Napierala if (yytext[0] == '-') { 8373914ddf8SEdward Tomasz Napierala if (options2 != NULL) { 8383914ddf8SEdward Tomasz Napierala log_errx(1, "duplicated options " 8393914ddf8SEdward Tomasz Napierala "in %s, line %d", map, lineno); 8403914ddf8SEdward Tomasz Napierala } 8413914ddf8SEdward Tomasz Napierala if (location != NULL) { 8423914ddf8SEdward Tomasz Napierala log_errx(1, "options out of order " 8433914ddf8SEdward Tomasz Napierala "in %s, line %d", map, lineno); 8443914ddf8SEdward Tomasz Napierala } 8453914ddf8SEdward Tomasz Napierala options2 = checked_strdup(yytext + 1); 8463914ddf8SEdward Tomasz Napierala goto again; 8473914ddf8SEdward Tomasz Napierala } 8483914ddf8SEdward Tomasz Napierala 8493914ddf8SEdward Tomasz Napierala if (location != NULL) { 8503914ddf8SEdward Tomasz Napierala log_errx(1, "too many arguments " 8513914ddf8SEdward Tomasz Napierala "in %s, line %d", map, lineno); 8523914ddf8SEdward Tomasz Napierala } 8533914ddf8SEdward Tomasz Napierala 8543914ddf8SEdward Tomasz Napierala /* 8553914ddf8SEdward Tomasz Napierala * If location field starts with colon, e.g. ":/dev/cd0", 8563914ddf8SEdward Tomasz Napierala * then strip it. 8573914ddf8SEdward Tomasz Napierala */ 8583914ddf8SEdward Tomasz Napierala if (yytext[0] == ':') { 8593914ddf8SEdward Tomasz Napierala location = checked_strdup(yytext + 1); 8603914ddf8SEdward Tomasz Napierala if (location[0] == '\0') { 8613914ddf8SEdward Tomasz Napierala log_errx(1, "empty location in %s, " 8623914ddf8SEdward Tomasz Napierala "line %d", map, lineno); 8633914ddf8SEdward Tomasz Napierala } 8643914ddf8SEdward Tomasz Napierala } else { 8653914ddf8SEdward Tomasz Napierala location = checked_strdup(yytext); 8663914ddf8SEdward Tomasz Napierala } 8673914ddf8SEdward Tomasz Napierala 8683914ddf8SEdward Tomasz Napierala if (mountpoint == NULL) 8693914ddf8SEdward Tomasz Napierala mountpoint = checked_strdup("/"); 8703914ddf8SEdward Tomasz Napierala if (options2 == NULL) 8713914ddf8SEdward Tomasz Napierala options2 = checked_strdup(""); 8723914ddf8SEdward Tomasz Napierala 8733914ddf8SEdward Tomasz Napierala #if 0 8743914ddf8SEdward Tomasz Napierala log_debugx("adding map node, %s %s %s", 8753914ddf8SEdward Tomasz Napierala mountpoint, options2, location); 8763914ddf8SEdward Tomasz Napierala #endif 8773914ddf8SEdward Tomasz Napierala node_new(node, mountpoint, options2, location, 8783914ddf8SEdward Tomasz Napierala map, lineno); 8793914ddf8SEdward Tomasz Napierala mountpoint = options2 = location = NULL; 8803914ddf8SEdward Tomasz Napierala again: 8813914ddf8SEdward Tomasz Napierala ret = yylex(); 8823914ddf8SEdward Tomasz Napierala if (ret == 0 || ret == NEWLINE) { 8833914ddf8SEdward Tomasz Napierala if (mountpoint != NULL || options2 != NULL || 8843914ddf8SEdward Tomasz Napierala location != NULL) { 8853914ddf8SEdward Tomasz Napierala log_errx(1, "truncated entry " 8863914ddf8SEdward Tomasz Napierala "in %s, line %d", map, lineno); 8873914ddf8SEdward Tomasz Napierala } 8883914ddf8SEdward Tomasz Napierala break; 8893914ddf8SEdward Tomasz Napierala } 8903914ddf8SEdward Tomasz Napierala } 8913914ddf8SEdward Tomasz Napierala } 8923914ddf8SEdward Tomasz Napierala } 8933914ddf8SEdward Tomasz Napierala 894f7ae8307SEdward Tomasz Napierala /* 8953dd80c05SEdward Tomasz Napierala * Parse output of a special map called without argument. It is a list 8963dd80c05SEdward Tomasz Napierala * of keys, separated by newlines. They can contain whitespace, so use 8973dd80c05SEdward Tomasz Napierala * getline(3) instead of lexer used for maps. 898f7ae8307SEdward Tomasz Napierala */ 899f7ae8307SEdward Tomasz Napierala static void 900f7ae8307SEdward Tomasz Napierala parse_map_keys_yyin(struct node *parent, const char *map) 901f7ae8307SEdward Tomasz Napierala { 9023dd80c05SEdward Tomasz Napierala char *line = NULL, *key; 9033dd80c05SEdward Tomasz Napierala size_t linecap = 0; 9043dd80c05SEdward Tomasz Napierala ssize_t linelen; 905f7ae8307SEdward Tomasz Napierala 906f7ae8307SEdward Tomasz Napierala lineno = 1; 907f7ae8307SEdward Tomasz Napierala 908f7ae8307SEdward Tomasz Napierala for (;;) { 9093dd80c05SEdward Tomasz Napierala linelen = getline(&line, &linecap, yyin); 9103dd80c05SEdward Tomasz Napierala if (linelen < 0) { 911f7ae8307SEdward Tomasz Napierala /* 912f7ae8307SEdward Tomasz Napierala * End of file. 913f7ae8307SEdward Tomasz Napierala */ 914f7ae8307SEdward Tomasz Napierala break; 915f7ae8307SEdward Tomasz Napierala } 9163dd80c05SEdward Tomasz Napierala if (linelen <= 1) { 9173dd80c05SEdward Tomasz Napierala /* 9183dd80c05SEdward Tomasz Napierala * Empty line, consisting of just the newline. 9193dd80c05SEdward Tomasz Napierala */ 9203dd80c05SEdward Tomasz Napierala continue; 921f7ae8307SEdward Tomasz Napierala } 9223dd80c05SEdward Tomasz Napierala 9233dd80c05SEdward Tomasz Napierala /* 9243dd80c05SEdward Tomasz Napierala * "-1" to strip the trailing newline. 9253dd80c05SEdward Tomasz Napierala */ 9263dd80c05SEdward Tomasz Napierala key = strndup(line, linelen - 1); 9273dd80c05SEdward Tomasz Napierala 9283dd80c05SEdward Tomasz Napierala log_debugx("adding key \"%s\"", key); 9293dd80c05SEdward Tomasz Napierala node_new(parent, key, NULL, NULL, map, lineno); 9303dd80c05SEdward Tomasz Napierala lineno++; 9313dd80c05SEdward Tomasz Napierala } 9323dd80c05SEdward Tomasz Napierala free(line); 933f7ae8307SEdward Tomasz Napierala } 934f7ae8307SEdward Tomasz Napierala 9353914ddf8SEdward Tomasz Napierala static bool 9363914ddf8SEdward Tomasz Napierala file_is_executable(const char *path) 9373914ddf8SEdward Tomasz Napierala { 9383914ddf8SEdward Tomasz Napierala struct stat sb; 9393914ddf8SEdward Tomasz Napierala int error; 9403914ddf8SEdward Tomasz Napierala 9413914ddf8SEdward Tomasz Napierala error = stat(path, &sb); 9423914ddf8SEdward Tomasz Napierala if (error != 0) 9433914ddf8SEdward Tomasz Napierala log_err(1, "cannot stat %s", path); 9443914ddf8SEdward Tomasz Napierala if ((sb.st_mode & S_IXUSR) || (sb.st_mode & S_IXGRP) || 9453914ddf8SEdward Tomasz Napierala (sb.st_mode & S_IXOTH)) 9463914ddf8SEdward Tomasz Napierala return (true); 9473914ddf8SEdward Tomasz Napierala return (false); 9483914ddf8SEdward Tomasz Napierala } 9493914ddf8SEdward Tomasz Napierala 9503914ddf8SEdward Tomasz Napierala /* 9513914ddf8SEdward Tomasz Napierala * Parse a special map, e.g. "-hosts". 9523914ddf8SEdward Tomasz Napierala */ 9533914ddf8SEdward Tomasz Napierala static void 9543914ddf8SEdward Tomasz Napierala parse_special_map(struct node *parent, const char *map, const char *key) 9553914ddf8SEdward Tomasz Napierala { 9563914ddf8SEdward Tomasz Napierala char *path; 9573914ddf8SEdward Tomasz Napierala int error, ret; 9583914ddf8SEdward Tomasz Napierala 9593914ddf8SEdward Tomasz Napierala assert(map[0] == '-'); 9603914ddf8SEdward Tomasz Napierala 9613914ddf8SEdward Tomasz Napierala /* 9623914ddf8SEdward Tomasz Napierala * +1 to skip leading "-" in map name. 9633914ddf8SEdward Tomasz Napierala */ 9643914ddf8SEdward Tomasz Napierala ret = asprintf(&path, "%s/special_%s", AUTO_SPECIAL_PREFIX, map + 1); 9653914ddf8SEdward Tomasz Napierala if (ret < 0) 9663914ddf8SEdward Tomasz Napierala log_err(1, "asprintf"); 9673914ddf8SEdward Tomasz Napierala 9683914ddf8SEdward Tomasz Napierala yyin = auto_popen(path, key, NULL); 9693914ddf8SEdward Tomasz Napierala assert(yyin != NULL); 9703914ddf8SEdward Tomasz Napierala 971f7ae8307SEdward Tomasz Napierala if (key == NULL) { 972f7ae8307SEdward Tomasz Napierala parse_map_keys_yyin(parent, map); 973f7ae8307SEdward Tomasz Napierala } else { 9743914ddf8SEdward Tomasz Napierala parse_map_yyin(parent, map, key); 975f7ae8307SEdward Tomasz Napierala } 9763914ddf8SEdward Tomasz Napierala 9773914ddf8SEdward Tomasz Napierala error = auto_pclose(yyin); 9783914ddf8SEdward Tomasz Napierala yyin = NULL; 9793914ddf8SEdward Tomasz Napierala if (error != 0) 9803914ddf8SEdward Tomasz Napierala log_errx(1, "failed to handle special map \"%s\"", map); 9813914ddf8SEdward Tomasz Napierala 9823914ddf8SEdward Tomasz Napierala node_expand_includes(parent, false); 9833914ddf8SEdward Tomasz Napierala node_expand_direct_maps(parent); 9843914ddf8SEdward Tomasz Napierala 9853914ddf8SEdward Tomasz Napierala free(path); 9863914ddf8SEdward Tomasz Napierala } 9873914ddf8SEdward Tomasz Napierala 9883914ddf8SEdward Tomasz Napierala /* 9893914ddf8SEdward Tomasz Napierala * Retrieve and parse map from directory services, e.g. LDAP. 9903914ddf8SEdward Tomasz Napierala * Note that it is different from executable maps, in that 9913914ddf8SEdward Tomasz Napierala * the include script outputs the whole map to standard output 9923914ddf8SEdward Tomasz Napierala * (as opposed to executable maps that only output a single 9933914ddf8SEdward Tomasz Napierala * entry, without the key), and it takes the map name as an 9943914ddf8SEdward Tomasz Napierala * argument, instead of key. 9953914ddf8SEdward Tomasz Napierala */ 9963914ddf8SEdward Tomasz Napierala static void 9973914ddf8SEdward Tomasz Napierala parse_included_map(struct node *parent, const char *map) 9983914ddf8SEdward Tomasz Napierala { 9993914ddf8SEdward Tomasz Napierala int error; 10003914ddf8SEdward Tomasz Napierala 10013914ddf8SEdward Tomasz Napierala assert(map[0] != '-'); 10023914ddf8SEdward Tomasz Napierala assert(map[0] != '/'); 10033914ddf8SEdward Tomasz Napierala 10043914ddf8SEdward Tomasz Napierala error = access(AUTO_INCLUDE_PATH, F_OK); 10053914ddf8SEdward Tomasz Napierala if (error != 0) { 10063914ddf8SEdward Tomasz Napierala log_errx(1, "directory services not configured;" 10073914ddf8SEdward Tomasz Napierala " %s does not exist", AUTO_INCLUDE_PATH); 10083914ddf8SEdward Tomasz Napierala } 10093914ddf8SEdward Tomasz Napierala 10103914ddf8SEdward Tomasz Napierala yyin = auto_popen(AUTO_INCLUDE_PATH, map, NULL); 10113914ddf8SEdward Tomasz Napierala assert(yyin != NULL); 10123914ddf8SEdward Tomasz Napierala 10133914ddf8SEdward Tomasz Napierala parse_map_yyin(parent, map, NULL); 10143914ddf8SEdward Tomasz Napierala 10153914ddf8SEdward Tomasz Napierala error = auto_pclose(yyin); 10163914ddf8SEdward Tomasz Napierala yyin = NULL; 10173914ddf8SEdward Tomasz Napierala if (error != 0) 10183914ddf8SEdward Tomasz Napierala log_errx(1, "failed to handle remote map \"%s\"", map); 10193914ddf8SEdward Tomasz Napierala 10203914ddf8SEdward Tomasz Napierala node_expand_includes(parent, false); 10213914ddf8SEdward Tomasz Napierala node_expand_direct_maps(parent); 10223914ddf8SEdward Tomasz Napierala } 10233914ddf8SEdward Tomasz Napierala 10243914ddf8SEdward Tomasz Napierala void 10254cdc52bdSEdward Tomasz Napierala parse_map(struct node *parent, const char *map, const char *key, 10264cdc52bdSEdward Tomasz Napierala bool *wildcards) 10273914ddf8SEdward Tomasz Napierala { 10283914ddf8SEdward Tomasz Napierala char *path = NULL; 10293914ddf8SEdward Tomasz Napierala int error, ret; 10303914ddf8SEdward Tomasz Napierala bool executable; 10313914ddf8SEdward Tomasz Napierala 10323914ddf8SEdward Tomasz Napierala assert(map != NULL); 10333914ddf8SEdward Tomasz Napierala assert(map[0] != '\0'); 10343914ddf8SEdward Tomasz Napierala 10353914ddf8SEdward Tomasz Napierala log_debugx("parsing map \"%s\"", map); 10363914ddf8SEdward Tomasz Napierala 10374cdc52bdSEdward Tomasz Napierala if (wildcards != NULL) 10384cdc52bdSEdward Tomasz Napierala *wildcards = false; 10394cdc52bdSEdward Tomasz Napierala 10404cdc52bdSEdward Tomasz Napierala if (map[0] == '-') { 10414cdc52bdSEdward Tomasz Napierala if (wildcards != NULL) 10424cdc52bdSEdward Tomasz Napierala *wildcards = true; 10433914ddf8SEdward Tomasz Napierala return (parse_special_map(parent, map, key)); 10444cdc52bdSEdward Tomasz Napierala } 10453914ddf8SEdward Tomasz Napierala 10463914ddf8SEdward Tomasz Napierala if (map[0] == '/') { 10473914ddf8SEdward Tomasz Napierala path = checked_strdup(map); 10483914ddf8SEdward Tomasz Napierala } else { 10493914ddf8SEdward Tomasz Napierala ret = asprintf(&path, "%s/%s", AUTO_MAP_PREFIX, map); 10503914ddf8SEdward Tomasz Napierala if (ret < 0) 10513914ddf8SEdward Tomasz Napierala log_err(1, "asprintf"); 10523914ddf8SEdward Tomasz Napierala log_debugx("map \"%s\" maps to \"%s\"", map, path); 10533914ddf8SEdward Tomasz Napierala 10543914ddf8SEdward Tomasz Napierala /* 10553914ddf8SEdward Tomasz Napierala * See if the file exists. If not, try to obtain the map 10563914ddf8SEdward Tomasz Napierala * from directory services. 10573914ddf8SEdward Tomasz Napierala */ 10583914ddf8SEdward Tomasz Napierala error = access(path, F_OK); 10593914ddf8SEdward Tomasz Napierala if (error != 0) { 10603914ddf8SEdward Tomasz Napierala log_debugx("map file \"%s\" does not exist; falling " 10613914ddf8SEdward Tomasz Napierala "back to directory services", path); 10623914ddf8SEdward Tomasz Napierala return (parse_included_map(parent, map)); 10633914ddf8SEdward Tomasz Napierala } 10643914ddf8SEdward Tomasz Napierala } 10653914ddf8SEdward Tomasz Napierala 10663914ddf8SEdward Tomasz Napierala executable = file_is_executable(path); 10673914ddf8SEdward Tomasz Napierala 10683914ddf8SEdward Tomasz Napierala if (executable) { 10693914ddf8SEdward Tomasz Napierala log_debugx("map \"%s\" is executable", map); 10703914ddf8SEdward Tomasz Napierala 10714cdc52bdSEdward Tomasz Napierala if (wildcards != NULL) 10724cdc52bdSEdward Tomasz Napierala *wildcards = true; 10734cdc52bdSEdward Tomasz Napierala 10743914ddf8SEdward Tomasz Napierala if (key != NULL) { 10753914ddf8SEdward Tomasz Napierala yyin = auto_popen(path, key, NULL); 10763914ddf8SEdward Tomasz Napierala } else { 10773914ddf8SEdward Tomasz Napierala yyin = auto_popen(path, NULL); 10783914ddf8SEdward Tomasz Napierala } 10793914ddf8SEdward Tomasz Napierala assert(yyin != NULL); 10803914ddf8SEdward Tomasz Napierala } else { 10813914ddf8SEdward Tomasz Napierala yyin = fopen(path, "r"); 10823914ddf8SEdward Tomasz Napierala if (yyin == NULL) 10833914ddf8SEdward Tomasz Napierala log_err(1, "unable to open \"%s\"", path); 10843914ddf8SEdward Tomasz Napierala } 10853914ddf8SEdward Tomasz Napierala 10863914ddf8SEdward Tomasz Napierala free(path); 10873914ddf8SEdward Tomasz Napierala path = NULL; 10883914ddf8SEdward Tomasz Napierala 10893914ddf8SEdward Tomasz Napierala parse_map_yyin(parent, map, executable ? key : NULL); 10903914ddf8SEdward Tomasz Napierala 10913914ddf8SEdward Tomasz Napierala if (executable) { 10923914ddf8SEdward Tomasz Napierala error = auto_pclose(yyin); 10933914ddf8SEdward Tomasz Napierala yyin = NULL; 10943914ddf8SEdward Tomasz Napierala if (error != 0) { 10953914ddf8SEdward Tomasz Napierala log_errx(1, "failed to handle executable map \"%s\"", 10963914ddf8SEdward Tomasz Napierala map); 10973914ddf8SEdward Tomasz Napierala } 10983914ddf8SEdward Tomasz Napierala } else { 10993914ddf8SEdward Tomasz Napierala fclose(yyin); 11003914ddf8SEdward Tomasz Napierala } 11013914ddf8SEdward Tomasz Napierala yyin = NULL; 11023914ddf8SEdward Tomasz Napierala 11033914ddf8SEdward Tomasz Napierala log_debugx("done parsing map \"%s\"", map); 11043914ddf8SEdward Tomasz Napierala 11053914ddf8SEdward Tomasz Napierala node_expand_includes(parent, false); 11063914ddf8SEdward Tomasz Napierala node_expand_direct_maps(parent); 11073914ddf8SEdward Tomasz Napierala } 11083914ddf8SEdward Tomasz Napierala 11093914ddf8SEdward Tomasz Napierala static void 11103914ddf8SEdward Tomasz Napierala parse_master_yyin(struct node *root, const char *master) 11113914ddf8SEdward Tomasz Napierala { 11123914ddf8SEdward Tomasz Napierala char *mountpoint = NULL, *map = NULL, *options = NULL; 11133914ddf8SEdward Tomasz Napierala int ret; 11143914ddf8SEdward Tomasz Napierala 11153914ddf8SEdward Tomasz Napierala /* 11163914ddf8SEdward Tomasz Napierala * XXX: 1 gives incorrect values; wtf? 11173914ddf8SEdward Tomasz Napierala */ 11183914ddf8SEdward Tomasz Napierala lineno = 0; 11193914ddf8SEdward Tomasz Napierala 11203914ddf8SEdward Tomasz Napierala for (;;) { 11213914ddf8SEdward Tomasz Napierala ret = yylex(); 11223914ddf8SEdward Tomasz Napierala if (ret == 0 || ret == NEWLINE) { 11233914ddf8SEdward Tomasz Napierala if (mountpoint != NULL) { 11243914ddf8SEdward Tomasz Napierala //log_debugx("adding map for %s", mountpoint); 11253914ddf8SEdward Tomasz Napierala node_new_map(root, mountpoint, options, map, 11263914ddf8SEdward Tomasz Napierala master, lineno); 11273914ddf8SEdward Tomasz Napierala } 11283914ddf8SEdward Tomasz Napierala if (ret == 0) { 11293914ddf8SEdward Tomasz Napierala break; 11303914ddf8SEdward Tomasz Napierala } else { 11313914ddf8SEdward Tomasz Napierala mountpoint = map = options = NULL; 11323914ddf8SEdward Tomasz Napierala continue; 11333914ddf8SEdward Tomasz Napierala } 11343914ddf8SEdward Tomasz Napierala } 11353914ddf8SEdward Tomasz Napierala if (mountpoint == NULL) { 11363914ddf8SEdward Tomasz Napierala mountpoint = checked_strdup(yytext); 11373914ddf8SEdward Tomasz Napierala } else if (map == NULL) { 11383914ddf8SEdward Tomasz Napierala map = checked_strdup(yytext); 11393914ddf8SEdward Tomasz Napierala } else if (options == NULL) { 11403914ddf8SEdward Tomasz Napierala /* 11413914ddf8SEdward Tomasz Napierala * +1 to skip leading "-". 11423914ddf8SEdward Tomasz Napierala */ 11433914ddf8SEdward Tomasz Napierala options = checked_strdup(yytext + 1); 11443914ddf8SEdward Tomasz Napierala } else { 11453914ddf8SEdward Tomasz Napierala log_errx(1, "too many arguments at %s, line %d", 11463914ddf8SEdward Tomasz Napierala master, lineno); 11473914ddf8SEdward Tomasz Napierala } 11483914ddf8SEdward Tomasz Napierala } 11493914ddf8SEdward Tomasz Napierala } 11503914ddf8SEdward Tomasz Napierala 11513914ddf8SEdward Tomasz Napierala void 11523914ddf8SEdward Tomasz Napierala parse_master(struct node *root, const char *master) 11533914ddf8SEdward Tomasz Napierala { 11543914ddf8SEdward Tomasz Napierala 11553914ddf8SEdward Tomasz Napierala log_debugx("parsing auto_master file at \"%s\"", master); 11563914ddf8SEdward Tomasz Napierala 11573914ddf8SEdward Tomasz Napierala yyin = fopen(master, "r"); 11583914ddf8SEdward Tomasz Napierala if (yyin == NULL) 11593914ddf8SEdward Tomasz Napierala err(1, "unable to open %s", master); 11603914ddf8SEdward Tomasz Napierala 11613914ddf8SEdward Tomasz Napierala parse_master_yyin(root, master); 11623914ddf8SEdward Tomasz Napierala 11633914ddf8SEdward Tomasz Napierala fclose(yyin); 11643914ddf8SEdward Tomasz Napierala yyin = NULL; 11653914ddf8SEdward Tomasz Napierala 11663914ddf8SEdward Tomasz Napierala log_debugx("done parsing \"%s\"", master); 11673914ddf8SEdward Tomasz Napierala 11683914ddf8SEdward Tomasz Napierala node_expand_includes(root, true); 11693914ddf8SEdward Tomasz Napierala node_expand_direct_maps(root); 11703914ddf8SEdward Tomasz Napierala } 11713914ddf8SEdward Tomasz Napierala 11723914ddf8SEdward Tomasz Napierala /* 11733914ddf8SEdward Tomasz Napierala * Two things daemon(3) does, that we actually also want to do 11743914ddf8SEdward Tomasz Napierala * when running in foreground, is closing the stdin and chdiring 11753914ddf8SEdward Tomasz Napierala * to "/". This is what we do here. 11763914ddf8SEdward Tomasz Napierala */ 11773914ddf8SEdward Tomasz Napierala void 11783914ddf8SEdward Tomasz Napierala lesser_daemon(void) 11793914ddf8SEdward Tomasz Napierala { 11803914ddf8SEdward Tomasz Napierala int error, fd; 11813914ddf8SEdward Tomasz Napierala 11823914ddf8SEdward Tomasz Napierala error = chdir("/"); 11833914ddf8SEdward Tomasz Napierala if (error != 0) 11843914ddf8SEdward Tomasz Napierala log_warn("chdir"); 11853914ddf8SEdward Tomasz Napierala 11863914ddf8SEdward Tomasz Napierala fd = open(_PATH_DEVNULL, O_RDWR, 0); 11873914ddf8SEdward Tomasz Napierala if (fd < 0) { 11883914ddf8SEdward Tomasz Napierala log_warn("cannot open %s", _PATH_DEVNULL); 11893914ddf8SEdward Tomasz Napierala return; 11903914ddf8SEdward Tomasz Napierala } 11913914ddf8SEdward Tomasz Napierala 11923914ddf8SEdward Tomasz Napierala error = dup2(fd, STDIN_FILENO); 11933914ddf8SEdward Tomasz Napierala if (error != 0) 11943914ddf8SEdward Tomasz Napierala log_warn("dup2"); 11953914ddf8SEdward Tomasz Napierala 11963914ddf8SEdward Tomasz Napierala error = close(fd); 11973914ddf8SEdward Tomasz Napierala if (error != 0) { 11983914ddf8SEdward Tomasz Napierala /* Bloody hell. */ 11993914ddf8SEdward Tomasz Napierala log_warn("close"); 12003914ddf8SEdward Tomasz Napierala } 12013914ddf8SEdward Tomasz Napierala } 12023914ddf8SEdward Tomasz Napierala 12033914ddf8SEdward Tomasz Napierala int 12043914ddf8SEdward Tomasz Napierala main(int argc, char **argv) 12053914ddf8SEdward Tomasz Napierala { 12063914ddf8SEdward Tomasz Napierala char *cmdname; 12073914ddf8SEdward Tomasz Napierala 12083914ddf8SEdward Tomasz Napierala if (argv[0] == NULL) 12093914ddf8SEdward Tomasz Napierala log_errx(1, "NULL command name"); 12103914ddf8SEdward Tomasz Napierala 12113914ddf8SEdward Tomasz Napierala cmdname = basename(argv[0]); 12123914ddf8SEdward Tomasz Napierala 12133914ddf8SEdward Tomasz Napierala if (strcmp(cmdname, "automount") == 0) 12143914ddf8SEdward Tomasz Napierala return (main_automount(argc, argv)); 12153914ddf8SEdward Tomasz Napierala else if (strcmp(cmdname, "automountd") == 0) 12163914ddf8SEdward Tomasz Napierala return (main_automountd(argc, argv)); 12173914ddf8SEdward Tomasz Napierala else if (strcmp(cmdname, "autounmountd") == 0) 12183914ddf8SEdward Tomasz Napierala return (main_autounmountd(argc, argv)); 12193914ddf8SEdward Tomasz Napierala else 12203914ddf8SEdward Tomasz Napierala log_errx(1, "binary name should be either \"automount\", " 12213914ddf8SEdward Tomasz Napierala "\"automountd\", or \"autounmountd\""); 12223914ddf8SEdward Tomasz Napierala } 1223