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 * Concatenate two strings, inserting separator between them, unless not needed. 903914ddf8SEdward Tomasz Napierala */ 913914ddf8SEdward Tomasz Napierala char * 926d8e60c3SEdward Tomasz Napierala concat(const char *s1, char separator, const char *s2) 933914ddf8SEdward Tomasz Napierala { 943914ddf8SEdward Tomasz Napierala char *result; 953914ddf8SEdward Tomasz Napierala int ret; 963914ddf8SEdward Tomasz Napierala 974d58da13SEdward Tomasz Napierala if (s1 == NULL) 984d58da13SEdward Tomasz Napierala s1 = ""; 994d58da13SEdward Tomasz Napierala if (s2 == NULL) 1004d58da13SEdward Tomasz Napierala s2 = ""; 1013914ddf8SEdward Tomasz Napierala 1025585582dSEdward Tomasz Napierala /* 1035585582dSEdward Tomasz Napierala * If s2 starts with separator - skip it; otherwise concatenating 1045585582dSEdward Tomasz Napierala * "/" and "/foo" would end up returning "//foo". 1055585582dSEdward Tomasz Napierala */ 1065585582dSEdward Tomasz Napierala if (s2[0] == separator) 1075585582dSEdward Tomasz Napierala s2++; 1085585582dSEdward Tomasz Napierala 1095585582dSEdward Tomasz Napierala if (s1[0] == '\0' || s2[0] == '\0' || s1[strlen(s1) - 1] == separator) { 1103914ddf8SEdward Tomasz Napierala ret = asprintf(&result, "%s%s", s1, s2); 1113914ddf8SEdward Tomasz Napierala } else { 1123914ddf8SEdward Tomasz Napierala ret = asprintf(&result, "%s%c%s", s1, separator, s2); 1133914ddf8SEdward Tomasz Napierala } 1143914ddf8SEdward Tomasz Napierala if (ret < 0) 1153914ddf8SEdward Tomasz Napierala log_err(1, "asprintf"); 1163914ddf8SEdward Tomasz Napierala 117ef4b8dfaSEdward Tomasz Napierala //log_debugx("%s: got %s and %s, returning %s", __func__, s1, s2, result); 1183914ddf8SEdward Tomasz Napierala 1193914ddf8SEdward Tomasz Napierala return (result); 1203914ddf8SEdward Tomasz Napierala } 1213914ddf8SEdward Tomasz Napierala 1223914ddf8SEdward Tomasz Napierala void 1233914ddf8SEdward Tomasz Napierala create_directory(const char *path) 1243914ddf8SEdward Tomasz Napierala { 125ef4b8dfaSEdward Tomasz Napierala char *component, *copy, *tofree, *partial, *tmp; 1263914ddf8SEdward Tomasz Napierala int error; 1273914ddf8SEdward Tomasz Napierala 1283914ddf8SEdward Tomasz Napierala assert(path[0] == '/'); 1293914ddf8SEdward Tomasz Napierala 1303914ddf8SEdward Tomasz Napierala /* 1313914ddf8SEdward Tomasz Napierala * +1 to skip the leading slash. 1323914ddf8SEdward Tomasz Napierala */ 1333914ddf8SEdward Tomasz Napierala copy = tofree = checked_strdup(path + 1); 1343914ddf8SEdward Tomasz Napierala 135ef4b8dfaSEdward Tomasz Napierala partial = checked_strdup(""); 1363914ddf8SEdward Tomasz Napierala for (;;) { 1373914ddf8SEdward Tomasz Napierala component = strsep(©, "/"); 1383914ddf8SEdward Tomasz Napierala if (component == NULL) 1393914ddf8SEdward Tomasz Napierala break; 1406d8e60c3SEdward Tomasz Napierala tmp = concat(partial, '/', component); 141ef4b8dfaSEdward Tomasz Napierala free(partial); 142ef4b8dfaSEdward Tomasz Napierala partial = tmp; 1437ebeea9aSEdward Tomasz Napierala //log_debugx("creating \"%s\"", partial); 1443914ddf8SEdward Tomasz Napierala error = mkdir(partial, 0755); 1457ebeea9aSEdward Tomasz Napierala if (error != 0 && errno != EEXIST) { 1467ebeea9aSEdward Tomasz Napierala log_warn("cannot create %s", partial); 1477ebeea9aSEdward Tomasz Napierala return; 1487ebeea9aSEdward Tomasz Napierala } 1493914ddf8SEdward Tomasz Napierala } 1503914ddf8SEdward Tomasz Napierala 1513914ddf8SEdward Tomasz Napierala free(tofree); 1523914ddf8SEdward Tomasz Napierala } 1533914ddf8SEdward Tomasz Napierala 1543914ddf8SEdward Tomasz Napierala struct node * 1553914ddf8SEdward Tomasz Napierala node_new_root(void) 1563914ddf8SEdward Tomasz Napierala { 1573914ddf8SEdward Tomasz Napierala struct node *n; 1583914ddf8SEdward Tomasz Napierala 1593914ddf8SEdward Tomasz Napierala n = calloc(1, sizeof(*n)); 1603914ddf8SEdward Tomasz Napierala if (n == NULL) 1613914ddf8SEdward Tomasz Napierala log_err(1, "calloc"); 1623914ddf8SEdward Tomasz Napierala // XXX 1633914ddf8SEdward Tomasz Napierala n->n_key = checked_strdup("/"); 1643914ddf8SEdward Tomasz Napierala n->n_options = checked_strdup(""); 1653914ddf8SEdward Tomasz Napierala 1663914ddf8SEdward Tomasz Napierala TAILQ_INIT(&n->n_children); 1673914ddf8SEdward Tomasz Napierala 1683914ddf8SEdward Tomasz Napierala return (n); 1693914ddf8SEdward Tomasz Napierala } 1703914ddf8SEdward Tomasz Napierala 1713914ddf8SEdward Tomasz Napierala struct node * 1723914ddf8SEdward Tomasz Napierala node_new(struct node *parent, char *key, char *options, char *location, 1733914ddf8SEdward Tomasz Napierala const char *config_file, int config_line) 1743914ddf8SEdward Tomasz Napierala { 1753914ddf8SEdward Tomasz Napierala struct node *n; 1763914ddf8SEdward Tomasz Napierala 1773914ddf8SEdward Tomasz Napierala n = calloc(1, sizeof(*n)); 1783914ddf8SEdward Tomasz Napierala if (n == NULL) 1793914ddf8SEdward Tomasz Napierala log_err(1, "calloc"); 1803914ddf8SEdward Tomasz Napierala 1813914ddf8SEdward Tomasz Napierala TAILQ_INIT(&n->n_children); 1823914ddf8SEdward Tomasz Napierala assert(key != NULL); 1833dd80c05SEdward Tomasz Napierala assert(key[0] != '\0'); 1843914ddf8SEdward Tomasz Napierala n->n_key = key; 1853914ddf8SEdward Tomasz Napierala if (options != NULL) 1863914ddf8SEdward Tomasz Napierala n->n_options = options; 1873914ddf8SEdward Tomasz Napierala else 1883914ddf8SEdward Tomasz Napierala n->n_options = strdup(""); 1893914ddf8SEdward Tomasz Napierala n->n_location = location; 1903914ddf8SEdward Tomasz Napierala assert(config_file != NULL); 1913914ddf8SEdward Tomasz Napierala n->n_config_file = config_file; 1923914ddf8SEdward Tomasz Napierala assert(config_line >= 0); 1933914ddf8SEdward Tomasz Napierala n->n_config_line = config_line; 1943914ddf8SEdward Tomasz Napierala 1953914ddf8SEdward Tomasz Napierala assert(parent != NULL); 1963914ddf8SEdward Tomasz Napierala n->n_parent = parent; 1973914ddf8SEdward Tomasz Napierala TAILQ_INSERT_TAIL(&parent->n_children, n, n_next); 1983914ddf8SEdward Tomasz Napierala 1993914ddf8SEdward Tomasz Napierala return (n); 2003914ddf8SEdward Tomasz Napierala } 2013914ddf8SEdward Tomasz Napierala 2023914ddf8SEdward Tomasz Napierala struct node * 2033914ddf8SEdward Tomasz Napierala node_new_map(struct node *parent, char *key, char *options, char *map, 2043914ddf8SEdward Tomasz Napierala const char *config_file, int config_line) 2053914ddf8SEdward Tomasz Napierala { 2063914ddf8SEdward Tomasz Napierala struct node *n; 2073914ddf8SEdward Tomasz Napierala 2083914ddf8SEdward Tomasz Napierala n = calloc(1, sizeof(*n)); 2093914ddf8SEdward Tomasz Napierala if (n == NULL) 2103914ddf8SEdward Tomasz Napierala log_err(1, "calloc"); 2113914ddf8SEdward Tomasz Napierala 2123914ddf8SEdward Tomasz Napierala TAILQ_INIT(&n->n_children); 2133914ddf8SEdward Tomasz Napierala assert(key != NULL); 2143dd80c05SEdward Tomasz Napierala assert(key[0] != '\0'); 2153914ddf8SEdward Tomasz Napierala n->n_key = key; 2163914ddf8SEdward Tomasz Napierala if (options != NULL) 2173914ddf8SEdward Tomasz Napierala n->n_options = options; 2183914ddf8SEdward Tomasz Napierala else 2193914ddf8SEdward Tomasz Napierala n->n_options = strdup(""); 2203914ddf8SEdward Tomasz Napierala n->n_map = map; 2213914ddf8SEdward Tomasz Napierala assert(config_file != NULL); 2223914ddf8SEdward Tomasz Napierala n->n_config_file = config_file; 2233914ddf8SEdward Tomasz Napierala assert(config_line >= 0); 2243914ddf8SEdward Tomasz Napierala n->n_config_line = config_line; 2253914ddf8SEdward Tomasz Napierala 2263914ddf8SEdward Tomasz Napierala assert(parent != NULL); 2273914ddf8SEdward Tomasz Napierala n->n_parent = parent; 2283914ddf8SEdward Tomasz Napierala TAILQ_INSERT_TAIL(&parent->n_children, n, n_next); 2293914ddf8SEdward Tomasz Napierala 2303914ddf8SEdward Tomasz Napierala return (n); 2313914ddf8SEdward Tomasz Napierala } 2323914ddf8SEdward Tomasz Napierala 2333914ddf8SEdward Tomasz Napierala static struct node * 2343914ddf8SEdward Tomasz Napierala node_duplicate(const struct node *o, struct node *parent) 2353914ddf8SEdward Tomasz Napierala { 2363914ddf8SEdward Tomasz Napierala const struct node *child; 2373914ddf8SEdward Tomasz Napierala struct node *n; 2383914ddf8SEdward Tomasz Napierala 2393914ddf8SEdward Tomasz Napierala if (parent == NULL) 2403914ddf8SEdward Tomasz Napierala parent = o->n_parent; 2413914ddf8SEdward Tomasz Napierala 2423914ddf8SEdward Tomasz Napierala n = node_new(parent, o->n_key, o->n_options, o->n_location, 2433914ddf8SEdward Tomasz Napierala o->n_config_file, o->n_config_line); 2443914ddf8SEdward Tomasz Napierala 2453914ddf8SEdward Tomasz Napierala TAILQ_FOREACH(child, &o->n_children, n_next) 2463914ddf8SEdward Tomasz Napierala node_duplicate(child, n); 2473914ddf8SEdward Tomasz Napierala 2483914ddf8SEdward Tomasz Napierala return (n); 2493914ddf8SEdward Tomasz Napierala } 2503914ddf8SEdward Tomasz Napierala 2513914ddf8SEdward Tomasz Napierala static void 2523914ddf8SEdward Tomasz Napierala node_delete(struct node *n) 2533914ddf8SEdward Tomasz Napierala { 2543914ddf8SEdward Tomasz Napierala struct node *child, *tmp; 2553914ddf8SEdward Tomasz Napierala 2563914ddf8SEdward Tomasz Napierala assert (n != NULL); 2573914ddf8SEdward Tomasz Napierala 2583914ddf8SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(child, &n->n_children, n_next, tmp) 2593914ddf8SEdward Tomasz Napierala node_delete(child); 2603914ddf8SEdward Tomasz Napierala 2613914ddf8SEdward Tomasz Napierala if (n->n_parent != NULL) 2623914ddf8SEdward Tomasz Napierala TAILQ_REMOVE(&n->n_parent->n_children, n, n_next); 2633914ddf8SEdward Tomasz Napierala 2643914ddf8SEdward Tomasz Napierala free(n); 2653914ddf8SEdward Tomasz Napierala } 2663914ddf8SEdward Tomasz Napierala 2673914ddf8SEdward Tomasz Napierala /* 2683914ddf8SEdward Tomasz Napierala * Move (reparent) node 'n' to make it sibling of 'previous', placed 2693914ddf8SEdward Tomasz Napierala * just after it. 2703914ddf8SEdward Tomasz Napierala */ 2713914ddf8SEdward Tomasz Napierala static void 2723914ddf8SEdward Tomasz Napierala node_move_after(struct node *n, struct node *previous) 2733914ddf8SEdward Tomasz Napierala { 2743914ddf8SEdward Tomasz Napierala 2753914ddf8SEdward Tomasz Napierala TAILQ_REMOVE(&n->n_parent->n_children, n, n_next); 2763914ddf8SEdward Tomasz Napierala n->n_parent = previous->n_parent; 2773914ddf8SEdward Tomasz Napierala TAILQ_INSERT_AFTER(&previous->n_parent->n_children, previous, n, n_next); 2783914ddf8SEdward Tomasz Napierala } 2793914ddf8SEdward Tomasz Napierala 2803914ddf8SEdward Tomasz Napierala static void 2813914ddf8SEdward Tomasz Napierala node_expand_includes(struct node *root, bool is_master) 2823914ddf8SEdward Tomasz Napierala { 2833914ddf8SEdward Tomasz Napierala struct node *n, *n2, *tmp, *tmp2, *tmproot; 2843914ddf8SEdward Tomasz Napierala int error; 2853914ddf8SEdward Tomasz Napierala 2863914ddf8SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(n, &root->n_children, n_next, tmp) { 2873914ddf8SEdward Tomasz Napierala if (n->n_key[0] != '+') 2883914ddf8SEdward Tomasz Napierala continue; 2893914ddf8SEdward Tomasz Napierala 2903914ddf8SEdward Tomasz Napierala error = access(AUTO_INCLUDE_PATH, F_OK); 2913914ddf8SEdward Tomasz Napierala if (error != 0) { 2923914ddf8SEdward Tomasz Napierala log_errx(1, "directory services not configured; " 2933914ddf8SEdward Tomasz Napierala "%s does not exist", AUTO_INCLUDE_PATH); 2943914ddf8SEdward Tomasz Napierala } 2953914ddf8SEdward Tomasz Napierala 2963914ddf8SEdward Tomasz Napierala /* 2973914ddf8SEdward Tomasz Napierala * "+1" to skip leading "+". 2983914ddf8SEdward Tomasz Napierala */ 2993914ddf8SEdward Tomasz Napierala yyin = auto_popen(AUTO_INCLUDE_PATH, n->n_key + 1, NULL); 3003914ddf8SEdward Tomasz Napierala assert(yyin != NULL); 3013914ddf8SEdward Tomasz Napierala 3023914ddf8SEdward Tomasz Napierala tmproot = node_new_root(); 3033914ddf8SEdward Tomasz Napierala if (is_master) 3043914ddf8SEdward Tomasz Napierala parse_master_yyin(tmproot, n->n_key); 3053914ddf8SEdward Tomasz Napierala else 3063914ddf8SEdward Tomasz Napierala parse_map_yyin(tmproot, n->n_key, NULL); 3073914ddf8SEdward Tomasz Napierala 3083914ddf8SEdward Tomasz Napierala error = auto_pclose(yyin); 3093914ddf8SEdward Tomasz Napierala yyin = NULL; 3103914ddf8SEdward Tomasz Napierala if (error != 0) { 3113914ddf8SEdward Tomasz Napierala log_errx(1, "failed to handle include \"%s\"", 3123914ddf8SEdward Tomasz Napierala n->n_key); 3133914ddf8SEdward Tomasz Napierala } 3143914ddf8SEdward Tomasz Napierala 3153914ddf8SEdward Tomasz Napierala /* 3163914ddf8SEdward Tomasz Napierala * Entries to be included are now in tmproot. We need to merge 3173914ddf8SEdward Tomasz Napierala * them with the rest, preserving their place and ordering. 3183914ddf8SEdward Tomasz Napierala */ 3193914ddf8SEdward Tomasz Napierala TAILQ_FOREACH_REVERSE_SAFE(n2, 3203914ddf8SEdward Tomasz Napierala &tmproot->n_children, nodehead, n_next, tmp2) { 3213914ddf8SEdward Tomasz Napierala node_move_after(n2, n); 3223914ddf8SEdward Tomasz Napierala } 3233914ddf8SEdward Tomasz Napierala 3243914ddf8SEdward Tomasz Napierala node_delete(n); 3253914ddf8SEdward Tomasz Napierala node_delete(tmproot); 3263914ddf8SEdward Tomasz Napierala } 3273914ddf8SEdward Tomasz Napierala } 3283914ddf8SEdward Tomasz Napierala 3293914ddf8SEdward Tomasz Napierala static char * 3303914ddf8SEdward Tomasz Napierala expand_ampersand(char *string, const char *key) 3313914ddf8SEdward Tomasz Napierala { 3323914ddf8SEdward Tomasz Napierala char c, *expanded; 3333914ddf8SEdward Tomasz Napierala int i, ret, before_len = 0; 3343914ddf8SEdward Tomasz Napierala bool backslashed = false; 3353914ddf8SEdward Tomasz Napierala 3363914ddf8SEdward Tomasz Napierala assert(key[0] != '\0'); 3373914ddf8SEdward Tomasz Napierala 3383914ddf8SEdward Tomasz Napierala expanded = checked_strdup(string); 3393914ddf8SEdward Tomasz Napierala 3403914ddf8SEdward Tomasz Napierala for (i = 0; string[i] != '\0'; i++) { 3413914ddf8SEdward Tomasz Napierala c = string[i]; 3423914ddf8SEdward Tomasz Napierala if (c == '\\' && backslashed == false) { 3433914ddf8SEdward Tomasz Napierala backslashed = true; 3443914ddf8SEdward Tomasz Napierala continue; 3453914ddf8SEdward Tomasz Napierala } 3463914ddf8SEdward Tomasz Napierala if (backslashed) { 3473914ddf8SEdward Tomasz Napierala backslashed = false; 3483914ddf8SEdward Tomasz Napierala continue; 3493914ddf8SEdward Tomasz Napierala } 3503914ddf8SEdward Tomasz Napierala backslashed = false; 3513914ddf8SEdward Tomasz Napierala if (c != '&') 3523914ddf8SEdward Tomasz Napierala continue; 3533914ddf8SEdward Tomasz Napierala 3543914ddf8SEdward Tomasz Napierala /* 3553914ddf8SEdward Tomasz Napierala * The 'before_len' variable contains the number 3563914ddf8SEdward Tomasz Napierala * of characters before the '&'. 3573914ddf8SEdward Tomasz Napierala */ 3583914ddf8SEdward Tomasz Napierala before_len = i; 3593914ddf8SEdward Tomasz Napierala //assert(i + 1 < (int)strlen(string)); 3603914ddf8SEdward Tomasz Napierala 3613914ddf8SEdward Tomasz Napierala ret = asprintf(&expanded, "%.*s%s%s", 3623914ddf8SEdward Tomasz Napierala before_len, string, key, string + before_len + 1); 3633914ddf8SEdward Tomasz Napierala if (ret < 0) 3643914ddf8SEdward Tomasz Napierala log_err(1, "asprintf"); 3653914ddf8SEdward Tomasz Napierala 3663914ddf8SEdward Tomasz Napierala //log_debugx("\"%s\" expanded with key \"%s\" to \"%s\"", 3673914ddf8SEdward Tomasz Napierala // string, key, expanded); 3683914ddf8SEdward Tomasz Napierala 3693914ddf8SEdward Tomasz Napierala /* 3703914ddf8SEdward Tomasz Napierala * Figure out where to start searching for next variable. 3713914ddf8SEdward Tomasz Napierala */ 3723914ddf8SEdward Tomasz Napierala string = expanded; 3733914ddf8SEdward Tomasz Napierala i = before_len + strlen(key); 3743914ddf8SEdward Tomasz Napierala backslashed = false; 3753914ddf8SEdward Tomasz Napierala //assert(i < (int)strlen(string)); 3763914ddf8SEdward Tomasz Napierala } 3773914ddf8SEdward Tomasz Napierala 3783914ddf8SEdward Tomasz Napierala return (expanded); 3793914ddf8SEdward Tomasz Napierala } 3803914ddf8SEdward Tomasz Napierala 3813914ddf8SEdward Tomasz Napierala /* 3823914ddf8SEdward Tomasz Napierala * Expand "&" in n_location. If the key is NULL, try to use 3833914ddf8SEdward Tomasz Napierala * key from map entries themselves. Keep in mind that maps 3843914ddf8SEdward Tomasz Napierala * consist of tho levels of node structures, the key is one 3853914ddf8SEdward Tomasz Napierala * level up. 3863914ddf8SEdward Tomasz Napierala * 3873914ddf8SEdward Tomasz Napierala * Variant with NULL key is for "automount -LL". 3883914ddf8SEdward Tomasz Napierala */ 3893914ddf8SEdward Tomasz Napierala void 3903914ddf8SEdward Tomasz Napierala node_expand_ampersand(struct node *n, const char *key) 3913914ddf8SEdward Tomasz Napierala { 3923914ddf8SEdward Tomasz Napierala struct node *child; 3933914ddf8SEdward Tomasz Napierala 3943914ddf8SEdward Tomasz Napierala if (n->n_location != NULL) { 3953914ddf8SEdward Tomasz Napierala if (key == NULL) { 3963914ddf8SEdward Tomasz Napierala if (n->n_parent != NULL && 3973914ddf8SEdward Tomasz Napierala strcmp(n->n_parent->n_key, "*") != 0) { 3983914ddf8SEdward Tomasz Napierala n->n_location = expand_ampersand(n->n_location, 3993914ddf8SEdward Tomasz Napierala n->n_parent->n_key); 4003914ddf8SEdward Tomasz Napierala } 4013914ddf8SEdward Tomasz Napierala } else { 4023914ddf8SEdward Tomasz Napierala n->n_location = expand_ampersand(n->n_location, key); 4033914ddf8SEdward Tomasz Napierala } 4043914ddf8SEdward Tomasz Napierala } 4053914ddf8SEdward Tomasz Napierala 4063914ddf8SEdward Tomasz Napierala TAILQ_FOREACH(child, &n->n_children, n_next) 4073914ddf8SEdward Tomasz Napierala node_expand_ampersand(child, key); 4083914ddf8SEdward Tomasz Napierala } 4093914ddf8SEdward Tomasz Napierala 4103914ddf8SEdward Tomasz Napierala /* 4113914ddf8SEdward Tomasz Napierala * Expand "*" in n_key. 4123914ddf8SEdward Tomasz Napierala */ 4133914ddf8SEdward Tomasz Napierala void 4143914ddf8SEdward Tomasz Napierala node_expand_wildcard(struct node *n, const char *key) 4153914ddf8SEdward Tomasz Napierala { 4163914ddf8SEdward Tomasz Napierala struct node *child, *expanded; 4173914ddf8SEdward Tomasz Napierala 4183914ddf8SEdward Tomasz Napierala assert(key != NULL); 4193914ddf8SEdward Tomasz Napierala 4203914ddf8SEdward Tomasz Napierala if (strcmp(n->n_key, "*") == 0) { 4213914ddf8SEdward Tomasz Napierala expanded = node_duplicate(n, NULL); 4223914ddf8SEdward Tomasz Napierala expanded->n_key = checked_strdup(key); 4233914ddf8SEdward Tomasz Napierala node_move_after(expanded, n); 4243914ddf8SEdward Tomasz Napierala } 4253914ddf8SEdward Tomasz Napierala 4263914ddf8SEdward Tomasz Napierala TAILQ_FOREACH(child, &n->n_children, n_next) 4273914ddf8SEdward Tomasz Napierala node_expand_wildcard(child, key); 4283914ddf8SEdward Tomasz Napierala } 4293914ddf8SEdward Tomasz Napierala 4303914ddf8SEdward Tomasz Napierala int 4313914ddf8SEdward Tomasz Napierala node_expand_defined(struct node *n) 4323914ddf8SEdward Tomasz Napierala { 4333914ddf8SEdward Tomasz Napierala struct node *child; 4343914ddf8SEdward Tomasz Napierala int error, cumulated_error = 0; 4353914ddf8SEdward Tomasz Napierala 4363914ddf8SEdward Tomasz Napierala if (n->n_location != NULL) { 4373914ddf8SEdward Tomasz Napierala n->n_location = defined_expand(n->n_location); 4383914ddf8SEdward Tomasz Napierala if (n->n_location == NULL) { 4393914ddf8SEdward Tomasz Napierala log_warnx("failed to expand location for %s", 4403914ddf8SEdward Tomasz Napierala node_path(n)); 4413914ddf8SEdward Tomasz Napierala return (EINVAL); 4423914ddf8SEdward Tomasz Napierala } 4433914ddf8SEdward Tomasz Napierala } 4443914ddf8SEdward Tomasz Napierala 4453914ddf8SEdward Tomasz Napierala TAILQ_FOREACH(child, &n->n_children, n_next) { 4463914ddf8SEdward Tomasz Napierala error = node_expand_defined(child); 4473914ddf8SEdward Tomasz Napierala if (error != 0 && cumulated_error == 0) 4483914ddf8SEdward Tomasz Napierala cumulated_error = error; 4493914ddf8SEdward Tomasz Napierala } 4503914ddf8SEdward Tomasz Napierala 4513914ddf8SEdward Tomasz Napierala return (cumulated_error); 4523914ddf8SEdward Tomasz Napierala } 4533914ddf8SEdward Tomasz Napierala 4547a20e479SEdward Tomasz Napierala static bool 4557a20e479SEdward Tomasz Napierala node_is_direct_key(const struct node *n) 4567a20e479SEdward Tomasz Napierala { 4577a20e479SEdward Tomasz Napierala 4587a20e479SEdward Tomasz Napierala if (n->n_parent != NULL && n->n_parent->n_parent == NULL && 4597a20e479SEdward Tomasz Napierala strcmp(n->n_key, "/-") == 0) { 4607a20e479SEdward Tomasz Napierala return (true); 4617a20e479SEdward Tomasz Napierala } 4627a20e479SEdward Tomasz Napierala 4637a20e479SEdward Tomasz Napierala return (false); 4647a20e479SEdward Tomasz Napierala } 4657a20e479SEdward Tomasz Napierala 4663914ddf8SEdward Tomasz Napierala bool 4673914ddf8SEdward Tomasz Napierala node_is_direct_map(const struct node *n) 4683914ddf8SEdward Tomasz Napierala { 4693914ddf8SEdward Tomasz Napierala 4703914ddf8SEdward Tomasz Napierala for (;;) { 4713914ddf8SEdward Tomasz Napierala assert(n->n_parent != NULL); 4723914ddf8SEdward Tomasz Napierala if (n->n_parent->n_parent == NULL) 4733914ddf8SEdward Tomasz Napierala break; 4743914ddf8SEdward Tomasz Napierala n = n->n_parent; 4753914ddf8SEdward Tomasz Napierala } 4763914ddf8SEdward Tomasz Napierala 4777a20e479SEdward Tomasz Napierala return (node_is_direct_key(n)); 4783914ddf8SEdward Tomasz Napierala } 4793914ddf8SEdward Tomasz Napierala 4804cdc52bdSEdward Tomasz Napierala bool 4814cdc52bdSEdward Tomasz Napierala node_has_wildcards(const struct node *n) 4824cdc52bdSEdward Tomasz Napierala { 4834cdc52bdSEdward Tomasz Napierala const struct node *child; 4844cdc52bdSEdward Tomasz Napierala 4854cdc52bdSEdward Tomasz Napierala TAILQ_FOREACH(child, &n->n_children, n_next) { 4864cdc52bdSEdward Tomasz Napierala if (strcmp(child->n_key, "*") == 0) 4874cdc52bdSEdward Tomasz Napierala return (true); 4884cdc52bdSEdward Tomasz Napierala } 4894cdc52bdSEdward Tomasz Napierala 4904cdc52bdSEdward Tomasz Napierala return (false); 4914cdc52bdSEdward Tomasz Napierala } 4924cdc52bdSEdward Tomasz Napierala 4933914ddf8SEdward Tomasz Napierala static void 4943914ddf8SEdward Tomasz Napierala node_expand_maps(struct node *n, bool indirect) 4953914ddf8SEdward Tomasz Napierala { 4963914ddf8SEdward Tomasz Napierala struct node *child, *tmp; 4973914ddf8SEdward Tomasz Napierala 4983914ddf8SEdward Tomasz Napierala TAILQ_FOREACH_SAFE(child, &n->n_children, n_next, tmp) { 4993914ddf8SEdward Tomasz Napierala if (node_is_direct_map(child)) { 5003914ddf8SEdward Tomasz Napierala if (indirect) 5013914ddf8SEdward Tomasz Napierala continue; 5023914ddf8SEdward Tomasz Napierala } else { 5033914ddf8SEdward Tomasz Napierala if (indirect == false) 5043914ddf8SEdward Tomasz Napierala continue; 5053914ddf8SEdward Tomasz Napierala } 5063914ddf8SEdward Tomasz Napierala 5073914ddf8SEdward Tomasz Napierala /* 5083914ddf8SEdward Tomasz Napierala * This is the first-level map node; the one that contains 5093914ddf8SEdward Tomasz Napierala * the key and subnodes with mountpoints and actual map names. 5103914ddf8SEdward Tomasz Napierala */ 5113914ddf8SEdward Tomasz Napierala if (child->n_map == NULL) 5123914ddf8SEdward Tomasz Napierala continue; 5133914ddf8SEdward Tomasz Napierala 5143914ddf8SEdward Tomasz Napierala if (indirect) { 5153914ddf8SEdward Tomasz Napierala log_debugx("map \"%s\" is an indirect map, parsing", 5163914ddf8SEdward Tomasz Napierala child->n_map); 5173914ddf8SEdward Tomasz Napierala } else { 5183914ddf8SEdward Tomasz Napierala log_debugx("map \"%s\" is a direct map, parsing", 5193914ddf8SEdward Tomasz Napierala child->n_map); 5203914ddf8SEdward Tomasz Napierala } 5214cdc52bdSEdward Tomasz Napierala parse_map(child, child->n_map, NULL, NULL); 5223914ddf8SEdward Tomasz Napierala } 5233914ddf8SEdward Tomasz Napierala } 5243914ddf8SEdward Tomasz Napierala 5253914ddf8SEdward Tomasz Napierala static void 5263914ddf8SEdward Tomasz Napierala node_expand_direct_maps(struct node *n) 5273914ddf8SEdward Tomasz Napierala { 5283914ddf8SEdward Tomasz Napierala 5293914ddf8SEdward Tomasz Napierala node_expand_maps(n, false); 5303914ddf8SEdward Tomasz Napierala } 5313914ddf8SEdward Tomasz Napierala 5323914ddf8SEdward Tomasz Napierala void 5333914ddf8SEdward Tomasz Napierala node_expand_indirect_maps(struct node *n) 5343914ddf8SEdward Tomasz Napierala { 5353914ddf8SEdward Tomasz Napierala 5363914ddf8SEdward Tomasz Napierala node_expand_maps(n, true); 5373914ddf8SEdward Tomasz Napierala } 5383914ddf8SEdward Tomasz Napierala 5393914ddf8SEdward Tomasz Napierala static char * 5403914ddf8SEdward Tomasz Napierala node_path_x(const struct node *n, char *x) 5413914ddf8SEdward Tomasz Napierala { 5423914ddf8SEdward Tomasz Napierala char *path; 5433914ddf8SEdward Tomasz Napierala 5443914ddf8SEdward Tomasz Napierala if (n->n_parent == NULL) 5453914ddf8SEdward Tomasz Napierala return (x); 5463914ddf8SEdward Tomasz Napierala 5473914ddf8SEdward Tomasz Napierala /* 5483914ddf8SEdward Tomasz Napierala * Return "/-" for direct maps only if we were asked for path 5493914ddf8SEdward Tomasz Napierala * to the "/-" node itself, not to any of its subnodes. 5503914ddf8SEdward Tomasz Napierala */ 5517a20e479SEdward Tomasz Napierala if (node_is_direct_key(n) && x[0] != '\0') 5523914ddf8SEdward Tomasz Napierala return (x); 5533914ddf8SEdward Tomasz Napierala 5543dd80c05SEdward Tomasz Napierala assert(n->n_key[0] != '\0'); 5556d8e60c3SEdward Tomasz Napierala path = concat(n->n_key, '/', x); 5563914ddf8SEdward Tomasz Napierala free(x); 5573914ddf8SEdward Tomasz Napierala 5583914ddf8SEdward Tomasz Napierala return (node_path_x(n->n_parent, path)); 5593914ddf8SEdward Tomasz Napierala } 5603914ddf8SEdward Tomasz Napierala 5613914ddf8SEdward Tomasz Napierala /* 5623914ddf8SEdward Tomasz Napierala * Return full path for node, consisting of concatenated 5633914ddf8SEdward Tomasz Napierala * paths of node itself and all its parents, up to the root. 5643914ddf8SEdward Tomasz Napierala */ 5653914ddf8SEdward Tomasz Napierala char * 5663914ddf8SEdward Tomasz Napierala node_path(const struct node *n) 5673914ddf8SEdward Tomasz Napierala { 5681bc6f464SEdward Tomasz Napierala char *path; 5691bc6f464SEdward Tomasz Napierala size_t len; 5703914ddf8SEdward Tomasz Napierala 5711bc6f464SEdward Tomasz Napierala path = node_path_x(n, checked_strdup("")); 5721bc6f464SEdward Tomasz Napierala 5731bc6f464SEdward Tomasz Napierala /* 5741bc6f464SEdward Tomasz Napierala * Strip trailing slash, unless the whole path is "/". 5751bc6f464SEdward Tomasz Napierala */ 5761bc6f464SEdward Tomasz Napierala len = strlen(path); 5771bc6f464SEdward Tomasz Napierala if (len > 1 && path[len - 1] == '/') 5781bc6f464SEdward Tomasz Napierala path[len - 1] = '\0'; 5791bc6f464SEdward Tomasz Napierala 5801bc6f464SEdward Tomasz Napierala return (path); 5813914ddf8SEdward Tomasz Napierala } 5823914ddf8SEdward Tomasz Napierala 5833914ddf8SEdward Tomasz Napierala static char * 5843914ddf8SEdward Tomasz Napierala node_options_x(const struct node *n, char *x) 5853914ddf8SEdward Tomasz Napierala { 5863914ddf8SEdward Tomasz Napierala char *options; 5873914ddf8SEdward Tomasz Napierala 5888f0eba67SEdward Tomasz Napierala if (n == NULL) 5898f0eba67SEdward Tomasz Napierala return (x); 5908f0eba67SEdward Tomasz Napierala 5916d8e60c3SEdward Tomasz Napierala options = concat(x, ',', n->n_options); 5928f0eba67SEdward Tomasz Napierala free(x); 5933914ddf8SEdward Tomasz Napierala 5943914ddf8SEdward Tomasz Napierala return (node_options_x(n->n_parent, options)); 5953914ddf8SEdward Tomasz Napierala } 5963914ddf8SEdward Tomasz Napierala 5973914ddf8SEdward Tomasz Napierala /* 5983914ddf8SEdward Tomasz Napierala * Return options for node, consisting of concatenated 5993914ddf8SEdward Tomasz Napierala * options from the node itself and all its parents, 6003914ddf8SEdward Tomasz Napierala * up to the root. 6013914ddf8SEdward Tomasz Napierala */ 6023914ddf8SEdward Tomasz Napierala char * 6033914ddf8SEdward Tomasz Napierala node_options(const struct node *n) 6043914ddf8SEdward Tomasz Napierala { 6053914ddf8SEdward Tomasz Napierala 6063914ddf8SEdward Tomasz Napierala return (node_options_x(n, checked_strdup(""))); 6073914ddf8SEdward Tomasz Napierala } 6083914ddf8SEdward Tomasz Napierala 6093914ddf8SEdward Tomasz Napierala static void 610*8ee4f5efSEdward Tomasz Napierala node_print_indent(const struct node *n, const char *cmdline_options, 611*8ee4f5efSEdward Tomasz Napierala int indent) 6123914ddf8SEdward Tomasz Napierala { 6133914ddf8SEdward Tomasz Napierala const struct node *child, *first_child; 614*8ee4f5efSEdward Tomasz Napierala char *path, *options, *tmp; 6153914ddf8SEdward Tomasz Napierala 6163914ddf8SEdward Tomasz Napierala path = node_path(n); 617*8ee4f5efSEdward Tomasz Napierala tmp = node_options(n); 618*8ee4f5efSEdward Tomasz Napierala options = concat(cmdline_options, ',', tmp); 619*8ee4f5efSEdward Tomasz Napierala free(tmp); 6203914ddf8SEdward Tomasz Napierala 6213914ddf8SEdward Tomasz Napierala /* 6223914ddf8SEdward Tomasz Napierala * Do not show both parent and child node if they have the same 6233914ddf8SEdward Tomasz Napierala * mountpoint; only show the child node. This means the typical, 6243914ddf8SEdward Tomasz Napierala * "key location", map entries are shown in a single line; 6253914ddf8SEdward Tomasz Napierala * the "key mountpoint1 location2 mountpoint2 location2" entries 6263914ddf8SEdward Tomasz Napierala * take multiple lines. 6273914ddf8SEdward Tomasz Napierala */ 6283914ddf8SEdward Tomasz Napierala first_child = TAILQ_FIRST(&n->n_children); 6293914ddf8SEdward Tomasz Napierala if (first_child == NULL || TAILQ_NEXT(first_child, n_next) != NULL || 6303914ddf8SEdward Tomasz Napierala strcmp(path, node_path(first_child)) != 0) { 6313914ddf8SEdward Tomasz Napierala assert(n->n_location == NULL || n->n_map == NULL); 6323914ddf8SEdward Tomasz Napierala printf("%*.s%-*s %s%-*s %-*s # %s map %s at %s:%d\n", 6333914ddf8SEdward Tomasz Napierala indent, "", 6343914ddf8SEdward Tomasz Napierala 25 - indent, 6353914ddf8SEdward Tomasz Napierala path, 6363914ddf8SEdward Tomasz Napierala options[0] != '\0' ? "-" : " ", 6373914ddf8SEdward Tomasz Napierala 20, 6383914ddf8SEdward Tomasz Napierala options[0] != '\0' ? options : "", 6393914ddf8SEdward Tomasz Napierala 20, 6403914ddf8SEdward Tomasz Napierala n->n_location != NULL ? n->n_location : n->n_map != NULL ? n->n_map : "", 6413914ddf8SEdward Tomasz Napierala node_is_direct_map(n) ? "direct" : "indirect", 6423914ddf8SEdward Tomasz Napierala indent == 0 ? "referenced" : "defined", 6433914ddf8SEdward Tomasz Napierala n->n_config_file, n->n_config_line); 6443914ddf8SEdward Tomasz Napierala } 6453914ddf8SEdward Tomasz Napierala 6463914ddf8SEdward Tomasz Napierala free(path); 6473914ddf8SEdward Tomasz Napierala free(options); 6483914ddf8SEdward Tomasz Napierala 6493914ddf8SEdward Tomasz Napierala TAILQ_FOREACH(child, &n->n_children, n_next) 650*8ee4f5efSEdward Tomasz Napierala node_print_indent(child, cmdline_options, indent + 2); 6513914ddf8SEdward Tomasz Napierala } 6523914ddf8SEdward Tomasz Napierala 653*8ee4f5efSEdward Tomasz Napierala /* 654*8ee4f5efSEdward Tomasz Napierala * Recursively print node with all its children. The cmdline_options 655*8ee4f5efSEdward Tomasz Napierala * argument is used for additional options to be prepended to all the 656*8ee4f5efSEdward Tomasz Napierala * others - usually those are the options passed by command line. 657*8ee4f5efSEdward Tomasz Napierala */ 6583914ddf8SEdward Tomasz Napierala void 659*8ee4f5efSEdward Tomasz Napierala node_print(const struct node *n, const char *cmdline_options) 6603914ddf8SEdward Tomasz Napierala { 6613914ddf8SEdward Tomasz Napierala const struct node *child; 6623914ddf8SEdward Tomasz Napierala 6633914ddf8SEdward Tomasz Napierala TAILQ_FOREACH(child, &n->n_children, n_next) 664*8ee4f5efSEdward Tomasz Napierala node_print_indent(child, cmdline_options, 0); 6653914ddf8SEdward Tomasz Napierala } 6663914ddf8SEdward Tomasz Napierala 667cc4026a4SEdward Tomasz Napierala static struct node * 668cc4026a4SEdward Tomasz Napierala node_find_x(struct node *node, const char *path) 6693914ddf8SEdward Tomasz Napierala { 6703914ddf8SEdward Tomasz Napierala struct node *child, *found; 6713914ddf8SEdward Tomasz Napierala char *tmp; 672c37463b3SEdward Tomasz Napierala size_t tmplen; 6733914ddf8SEdward Tomasz Napierala 67412f1f00cSEdward Tomasz Napierala //log_debugx("looking up %s in %s", path, node_path(node)); 6753914ddf8SEdward Tomasz Napierala 67612f1f00cSEdward Tomasz Napierala if (!node_is_direct_key(node)) { 6773914ddf8SEdward Tomasz Napierala tmp = node_path(node); 678c37463b3SEdward Tomasz Napierala tmplen = strlen(tmp); 679c37463b3SEdward Tomasz Napierala if (strncmp(tmp, path, tmplen) != 0) { 680c37463b3SEdward Tomasz Napierala free(tmp); 681c37463b3SEdward Tomasz Napierala return (NULL); 682c37463b3SEdward Tomasz Napierala } 683c37463b3SEdward Tomasz Napierala if (path[tmplen] != '/' && path[tmplen] != '\0') { 684c37463b3SEdward Tomasz Napierala /* 685c37463b3SEdward Tomasz Napierala * If we have two map entries like 'foo' and 'foobar', make 686c37463b3SEdward Tomasz Napierala * sure the search for 'foobar' won't match 'foo' instead. 687c37463b3SEdward Tomasz Napierala */ 6883914ddf8SEdward Tomasz Napierala free(tmp); 6893914ddf8SEdward Tomasz Napierala return (NULL); 6903914ddf8SEdward Tomasz Napierala } 6913914ddf8SEdward Tomasz Napierala free(tmp); 69212f1f00cSEdward Tomasz Napierala } 6933914ddf8SEdward Tomasz Napierala 6943914ddf8SEdward Tomasz Napierala TAILQ_FOREACH(child, &node->n_children, n_next) { 695cc4026a4SEdward Tomasz Napierala found = node_find_x(child, path); 6963914ddf8SEdward Tomasz Napierala if (found != NULL) 6973914ddf8SEdward Tomasz Napierala return (found); 6983914ddf8SEdward Tomasz Napierala } 6993914ddf8SEdward Tomasz Napierala 70012f1f00cSEdward Tomasz Napierala if (node->n_parent == NULL || node_is_direct_key(node)) 70112f1f00cSEdward Tomasz Napierala return (NULL); 70212f1f00cSEdward Tomasz Napierala 7033914ddf8SEdward Tomasz Napierala return (node); 7043914ddf8SEdward Tomasz Napierala } 7053914ddf8SEdward Tomasz Napierala 706cc4026a4SEdward Tomasz Napierala struct node * 707cc4026a4SEdward Tomasz Napierala node_find(struct node *root, const char *path) 708cc4026a4SEdward Tomasz Napierala { 709cc4026a4SEdward Tomasz Napierala struct node *node; 710cc4026a4SEdward Tomasz Napierala 71112f1f00cSEdward Tomasz Napierala assert(root->n_parent == NULL); 71212f1f00cSEdward Tomasz Napierala 713cc4026a4SEdward Tomasz Napierala node = node_find_x(root, path); 71412f1f00cSEdward Tomasz Napierala if (node != NULL) 71512f1f00cSEdward Tomasz Napierala assert(node != root); 71612f1f00cSEdward Tomasz Napierala 717cc4026a4SEdward Tomasz Napierala return (node); 718cc4026a4SEdward Tomasz Napierala } 719cc4026a4SEdward Tomasz Napierala 7203914ddf8SEdward Tomasz Napierala /* 7213914ddf8SEdward Tomasz Napierala * Canonical form of a map entry looks like this: 7223914ddf8SEdward Tomasz Napierala * 7233914ddf8SEdward Tomasz Napierala * key [-options] [ [/mountpoint] [-options2] location ... ] 7243914ddf8SEdward Tomasz Napierala * 7253914ddf8SEdward Tomasz Napierala * Entries for executable maps are slightly different, as they 7263914ddf8SEdward Tomasz Napierala * lack the 'key' field and are always single-line; the key field 7273914ddf8SEdward Tomasz Napierala * for those maps is taken from 'executable_key' argument. 7283914ddf8SEdward Tomasz Napierala * 7293914ddf8SEdward Tomasz Napierala * We parse it in such a way that a map always has two levels - first 7303914ddf8SEdward Tomasz Napierala * for key, and the second, for the mountpoint. 7313914ddf8SEdward Tomasz Napierala */ 7323914ddf8SEdward Tomasz Napierala static void 7333914ddf8SEdward Tomasz Napierala parse_map_yyin(struct node *parent, const char *map, const char *executable_key) 7343914ddf8SEdward Tomasz Napierala { 7353914ddf8SEdward Tomasz Napierala char *key = NULL, *options = NULL, *mountpoint = NULL, 7363914ddf8SEdward Tomasz Napierala *options2 = NULL, *location = NULL; 7373914ddf8SEdward Tomasz Napierala int ret; 7383914ddf8SEdward Tomasz Napierala struct node *node; 7393914ddf8SEdward Tomasz Napierala 7403914ddf8SEdward Tomasz Napierala lineno = 1; 7413914ddf8SEdward Tomasz Napierala 7423914ddf8SEdward Tomasz Napierala if (executable_key != NULL) 7433914ddf8SEdward Tomasz Napierala key = checked_strdup(executable_key); 7443914ddf8SEdward Tomasz Napierala 7453914ddf8SEdward Tomasz Napierala for (;;) { 7463914ddf8SEdward Tomasz Napierala ret = yylex(); 7473914ddf8SEdward Tomasz Napierala if (ret == 0 || ret == NEWLINE) { 74830ae6e00SEdward Tomasz Napierala /* 74930ae6e00SEdward Tomasz Napierala * In case of executable map, the key is always 75030ae6e00SEdward Tomasz Napierala * non-NULL, even if the map is empty. So, make sure 75130ae6e00SEdward Tomasz Napierala * we don't fail empty maps here. 75230ae6e00SEdward Tomasz Napierala */ 75330ae6e00SEdward Tomasz Napierala if ((key != NULL && executable_key == NULL) || 75430ae6e00SEdward Tomasz Napierala options != NULL) { 7553914ddf8SEdward Tomasz Napierala log_errx(1, "truncated entry at %s, line %d", 7563914ddf8SEdward Tomasz Napierala map, lineno); 7573914ddf8SEdward Tomasz Napierala } 7583914ddf8SEdward Tomasz Napierala if (ret == 0 || executable_key != NULL) { 7593914ddf8SEdward Tomasz Napierala /* 7603914ddf8SEdward Tomasz Napierala * End of file. 7613914ddf8SEdward Tomasz Napierala */ 7623914ddf8SEdward Tomasz Napierala break; 7633914ddf8SEdward Tomasz Napierala } else { 7643914ddf8SEdward Tomasz Napierala key = options = NULL; 7653914ddf8SEdward Tomasz Napierala continue; 7663914ddf8SEdward Tomasz Napierala } 7673914ddf8SEdward Tomasz Napierala } 7683914ddf8SEdward Tomasz Napierala if (key == NULL) { 7693914ddf8SEdward Tomasz Napierala key = checked_strdup(yytext); 7703914ddf8SEdward Tomasz Napierala if (key[0] == '+') { 7713914ddf8SEdward Tomasz Napierala node_new(parent, key, NULL, NULL, map, lineno); 7723914ddf8SEdward Tomasz Napierala key = options = NULL; 7733914ddf8SEdward Tomasz Napierala continue; 7743914ddf8SEdward Tomasz Napierala } 7753914ddf8SEdward Tomasz Napierala continue; 7763914ddf8SEdward Tomasz Napierala } else if (yytext[0] == '-') { 7773914ddf8SEdward Tomasz Napierala if (options != NULL) { 7783914ddf8SEdward Tomasz Napierala log_errx(1, "duplicated options at %s, line %d", 7793914ddf8SEdward Tomasz Napierala map, lineno); 7803914ddf8SEdward Tomasz Napierala } 7813914ddf8SEdward Tomasz Napierala /* 7823914ddf8SEdward Tomasz Napierala * +1 to skip leading "-". 7833914ddf8SEdward Tomasz Napierala */ 7843914ddf8SEdward Tomasz Napierala options = checked_strdup(yytext + 1); 7853914ddf8SEdward Tomasz Napierala continue; 7863914ddf8SEdward Tomasz Napierala } 7873914ddf8SEdward Tomasz Napierala 7883914ddf8SEdward Tomasz Napierala /* 7893914ddf8SEdward Tomasz Napierala * We cannot properly handle a situation where the map key 7903914ddf8SEdward Tomasz Napierala * is "/". Ignore such entries. 7913914ddf8SEdward Tomasz Napierala * 7923914ddf8SEdward Tomasz Napierala * XXX: According to Piete Brooks, Linux automounter uses 7933914ddf8SEdward Tomasz Napierala * "/" as a wildcard character in LDAP maps. Perhaps 7943914ddf8SEdward Tomasz Napierala * we should work around this braindamage by substituting 7953914ddf8SEdward Tomasz Napierala * "*" for "/"? 7963914ddf8SEdward Tomasz Napierala */ 7973914ddf8SEdward Tomasz Napierala if (strcmp(key, "/") == 0) { 7983914ddf8SEdward Tomasz Napierala log_warnx("nonsensical map key \"/\" at %s, line %d; " 7993914ddf8SEdward Tomasz Napierala "ignoring map entry ", map, lineno); 8003914ddf8SEdward Tomasz Napierala 8013914ddf8SEdward Tomasz Napierala /* 8023914ddf8SEdward Tomasz Napierala * Skip the rest of the entry. 8033914ddf8SEdward Tomasz Napierala */ 8043914ddf8SEdward Tomasz Napierala do { 8053914ddf8SEdward Tomasz Napierala ret = yylex(); 8063914ddf8SEdward Tomasz Napierala } while (ret != 0 && ret != NEWLINE); 8073914ddf8SEdward Tomasz Napierala 8083914ddf8SEdward Tomasz Napierala key = options = NULL; 8093914ddf8SEdward Tomasz Napierala continue; 8103914ddf8SEdward Tomasz Napierala } 8113914ddf8SEdward Tomasz Napierala 8123914ddf8SEdward Tomasz Napierala //log_debugx("adding map node, %s", key); 8133914ddf8SEdward Tomasz Napierala node = node_new(parent, key, options, NULL, map, lineno); 8143914ddf8SEdward Tomasz Napierala key = options = NULL; 8153914ddf8SEdward Tomasz Napierala 8163914ddf8SEdward Tomasz Napierala for (;;) { 8173914ddf8SEdward Tomasz Napierala if (yytext[0] == '/') { 8183914ddf8SEdward Tomasz Napierala if (mountpoint != NULL) { 8193914ddf8SEdward Tomasz Napierala log_errx(1, "duplicated mountpoint " 8203914ddf8SEdward Tomasz Napierala "in %s, line %d", map, lineno); 8213914ddf8SEdward Tomasz Napierala } 8223914ddf8SEdward Tomasz Napierala if (options2 != NULL || location != NULL) { 8233914ddf8SEdward Tomasz Napierala log_errx(1, "mountpoint out of order " 8243914ddf8SEdward Tomasz Napierala "in %s, line %d", map, lineno); 8253914ddf8SEdward Tomasz Napierala } 8263914ddf8SEdward Tomasz Napierala mountpoint = checked_strdup(yytext); 8273914ddf8SEdward Tomasz Napierala goto again; 8283914ddf8SEdward Tomasz Napierala } 8293914ddf8SEdward Tomasz Napierala 8303914ddf8SEdward Tomasz Napierala if (yytext[0] == '-') { 8313914ddf8SEdward Tomasz Napierala if (options2 != NULL) { 8323914ddf8SEdward Tomasz Napierala log_errx(1, "duplicated options " 8333914ddf8SEdward Tomasz Napierala "in %s, line %d", map, lineno); 8343914ddf8SEdward Tomasz Napierala } 8353914ddf8SEdward Tomasz Napierala if (location != NULL) { 8363914ddf8SEdward Tomasz Napierala log_errx(1, "options out of order " 8373914ddf8SEdward Tomasz Napierala "in %s, line %d", map, lineno); 8383914ddf8SEdward Tomasz Napierala } 8393914ddf8SEdward Tomasz Napierala options2 = checked_strdup(yytext + 1); 8403914ddf8SEdward Tomasz Napierala goto again; 8413914ddf8SEdward Tomasz Napierala } 8423914ddf8SEdward Tomasz Napierala 8433914ddf8SEdward Tomasz Napierala if (location != NULL) { 8443914ddf8SEdward Tomasz Napierala log_errx(1, "too many arguments " 8453914ddf8SEdward Tomasz Napierala "in %s, line %d", map, lineno); 8463914ddf8SEdward Tomasz Napierala } 8473914ddf8SEdward Tomasz Napierala 8483914ddf8SEdward Tomasz Napierala /* 8493914ddf8SEdward Tomasz Napierala * If location field starts with colon, e.g. ":/dev/cd0", 8503914ddf8SEdward Tomasz Napierala * then strip it. 8513914ddf8SEdward Tomasz Napierala */ 8523914ddf8SEdward Tomasz Napierala if (yytext[0] == ':') { 8533914ddf8SEdward Tomasz Napierala location = checked_strdup(yytext + 1); 8543914ddf8SEdward Tomasz Napierala if (location[0] == '\0') { 8553914ddf8SEdward Tomasz Napierala log_errx(1, "empty location in %s, " 8563914ddf8SEdward Tomasz Napierala "line %d", map, lineno); 8573914ddf8SEdward Tomasz Napierala } 8583914ddf8SEdward Tomasz Napierala } else { 8593914ddf8SEdward Tomasz Napierala location = checked_strdup(yytext); 8603914ddf8SEdward Tomasz Napierala } 8613914ddf8SEdward Tomasz Napierala 8623914ddf8SEdward Tomasz Napierala if (mountpoint == NULL) 8633914ddf8SEdward Tomasz Napierala mountpoint = checked_strdup("/"); 8643914ddf8SEdward Tomasz Napierala if (options2 == NULL) 8653914ddf8SEdward Tomasz Napierala options2 = checked_strdup(""); 8663914ddf8SEdward Tomasz Napierala 8673914ddf8SEdward Tomasz Napierala #if 0 8683914ddf8SEdward Tomasz Napierala log_debugx("adding map node, %s %s %s", 8693914ddf8SEdward Tomasz Napierala mountpoint, options2, location); 8703914ddf8SEdward Tomasz Napierala #endif 8713914ddf8SEdward Tomasz Napierala node_new(node, mountpoint, options2, location, 8723914ddf8SEdward Tomasz Napierala map, lineno); 8733914ddf8SEdward Tomasz Napierala mountpoint = options2 = location = NULL; 8743914ddf8SEdward Tomasz Napierala again: 8753914ddf8SEdward Tomasz Napierala ret = yylex(); 8763914ddf8SEdward Tomasz Napierala if (ret == 0 || ret == NEWLINE) { 8773914ddf8SEdward Tomasz Napierala if (mountpoint != NULL || options2 != NULL || 8783914ddf8SEdward Tomasz Napierala location != NULL) { 8793914ddf8SEdward Tomasz Napierala log_errx(1, "truncated entry " 8803914ddf8SEdward Tomasz Napierala "in %s, line %d", map, lineno); 8813914ddf8SEdward Tomasz Napierala } 8823914ddf8SEdward Tomasz Napierala break; 8833914ddf8SEdward Tomasz Napierala } 8843914ddf8SEdward Tomasz Napierala } 8853914ddf8SEdward Tomasz Napierala } 8863914ddf8SEdward Tomasz Napierala } 8873914ddf8SEdward Tomasz Napierala 888f7ae8307SEdward Tomasz Napierala /* 8893dd80c05SEdward Tomasz Napierala * Parse output of a special map called without argument. It is a list 8903dd80c05SEdward Tomasz Napierala * of keys, separated by newlines. They can contain whitespace, so use 8913dd80c05SEdward Tomasz Napierala * getline(3) instead of lexer used for maps. 892f7ae8307SEdward Tomasz Napierala */ 893f7ae8307SEdward Tomasz Napierala static void 894f7ae8307SEdward Tomasz Napierala parse_map_keys_yyin(struct node *parent, const char *map) 895f7ae8307SEdward Tomasz Napierala { 8963dd80c05SEdward Tomasz Napierala char *line = NULL, *key; 8973dd80c05SEdward Tomasz Napierala size_t linecap = 0; 8983dd80c05SEdward Tomasz Napierala ssize_t linelen; 899f7ae8307SEdward Tomasz Napierala 900f7ae8307SEdward Tomasz Napierala lineno = 1; 901f7ae8307SEdward Tomasz Napierala 902f7ae8307SEdward Tomasz Napierala for (;;) { 9033dd80c05SEdward Tomasz Napierala linelen = getline(&line, &linecap, yyin); 9043dd80c05SEdward Tomasz Napierala if (linelen < 0) { 905f7ae8307SEdward Tomasz Napierala /* 906f7ae8307SEdward Tomasz Napierala * End of file. 907f7ae8307SEdward Tomasz Napierala */ 908f7ae8307SEdward Tomasz Napierala break; 909f7ae8307SEdward Tomasz Napierala } 9103dd80c05SEdward Tomasz Napierala if (linelen <= 1) { 9113dd80c05SEdward Tomasz Napierala /* 9123dd80c05SEdward Tomasz Napierala * Empty line, consisting of just the newline. 9133dd80c05SEdward Tomasz Napierala */ 9143dd80c05SEdward Tomasz Napierala continue; 915f7ae8307SEdward Tomasz Napierala } 9163dd80c05SEdward Tomasz Napierala 9173dd80c05SEdward Tomasz Napierala /* 9183dd80c05SEdward Tomasz Napierala * "-1" to strip the trailing newline. 9193dd80c05SEdward Tomasz Napierala */ 9203dd80c05SEdward Tomasz Napierala key = strndup(line, linelen - 1); 9213dd80c05SEdward Tomasz Napierala 9223dd80c05SEdward Tomasz Napierala log_debugx("adding key \"%s\"", key); 9233dd80c05SEdward Tomasz Napierala node_new(parent, key, NULL, NULL, map, lineno); 9243dd80c05SEdward Tomasz Napierala lineno++; 9253dd80c05SEdward Tomasz Napierala } 9263dd80c05SEdward Tomasz Napierala free(line); 927f7ae8307SEdward Tomasz Napierala } 928f7ae8307SEdward Tomasz Napierala 9293914ddf8SEdward Tomasz Napierala static bool 9303914ddf8SEdward Tomasz Napierala file_is_executable(const char *path) 9313914ddf8SEdward Tomasz Napierala { 9323914ddf8SEdward Tomasz Napierala struct stat sb; 9333914ddf8SEdward Tomasz Napierala int error; 9343914ddf8SEdward Tomasz Napierala 9353914ddf8SEdward Tomasz Napierala error = stat(path, &sb); 9363914ddf8SEdward Tomasz Napierala if (error != 0) 9373914ddf8SEdward Tomasz Napierala log_err(1, "cannot stat %s", path); 9383914ddf8SEdward Tomasz Napierala if ((sb.st_mode & S_IXUSR) || (sb.st_mode & S_IXGRP) || 9393914ddf8SEdward Tomasz Napierala (sb.st_mode & S_IXOTH)) 9403914ddf8SEdward Tomasz Napierala return (true); 9413914ddf8SEdward Tomasz Napierala return (false); 9423914ddf8SEdward Tomasz Napierala } 9433914ddf8SEdward Tomasz Napierala 9443914ddf8SEdward Tomasz Napierala /* 9453914ddf8SEdward Tomasz Napierala * Parse a special map, e.g. "-hosts". 9463914ddf8SEdward Tomasz Napierala */ 9473914ddf8SEdward Tomasz Napierala static void 9483914ddf8SEdward Tomasz Napierala parse_special_map(struct node *parent, const char *map, const char *key) 9493914ddf8SEdward Tomasz Napierala { 9503914ddf8SEdward Tomasz Napierala char *path; 9513914ddf8SEdward Tomasz Napierala int error, ret; 9523914ddf8SEdward Tomasz Napierala 9533914ddf8SEdward Tomasz Napierala assert(map[0] == '-'); 9543914ddf8SEdward Tomasz Napierala 9553914ddf8SEdward Tomasz Napierala /* 9563914ddf8SEdward Tomasz Napierala * +1 to skip leading "-" in map name. 9573914ddf8SEdward Tomasz Napierala */ 9583914ddf8SEdward Tomasz Napierala ret = asprintf(&path, "%s/special_%s", AUTO_SPECIAL_PREFIX, map + 1); 9593914ddf8SEdward Tomasz Napierala if (ret < 0) 9603914ddf8SEdward Tomasz Napierala log_err(1, "asprintf"); 9613914ddf8SEdward Tomasz Napierala 9623914ddf8SEdward Tomasz Napierala yyin = auto_popen(path, key, NULL); 9633914ddf8SEdward Tomasz Napierala assert(yyin != NULL); 9643914ddf8SEdward Tomasz Napierala 965f7ae8307SEdward Tomasz Napierala if (key == NULL) { 966f7ae8307SEdward Tomasz Napierala parse_map_keys_yyin(parent, map); 967f7ae8307SEdward Tomasz Napierala } else { 9683914ddf8SEdward Tomasz Napierala parse_map_yyin(parent, map, key); 969f7ae8307SEdward Tomasz Napierala } 9703914ddf8SEdward Tomasz Napierala 9713914ddf8SEdward Tomasz Napierala error = auto_pclose(yyin); 9723914ddf8SEdward Tomasz Napierala yyin = NULL; 9733914ddf8SEdward Tomasz Napierala if (error != 0) 9743914ddf8SEdward Tomasz Napierala log_errx(1, "failed to handle special map \"%s\"", map); 9753914ddf8SEdward Tomasz Napierala 9763914ddf8SEdward Tomasz Napierala node_expand_includes(parent, false); 9773914ddf8SEdward Tomasz Napierala node_expand_direct_maps(parent); 9783914ddf8SEdward Tomasz Napierala 9793914ddf8SEdward Tomasz Napierala free(path); 9803914ddf8SEdward Tomasz Napierala } 9813914ddf8SEdward Tomasz Napierala 9823914ddf8SEdward Tomasz Napierala /* 9833914ddf8SEdward Tomasz Napierala * Retrieve and parse map from directory services, e.g. LDAP. 9843914ddf8SEdward Tomasz Napierala * Note that it is different from executable maps, in that 9853914ddf8SEdward Tomasz Napierala * the include script outputs the whole map to standard output 9863914ddf8SEdward Tomasz Napierala * (as opposed to executable maps that only output a single 9873914ddf8SEdward Tomasz Napierala * entry, without the key), and it takes the map name as an 9883914ddf8SEdward Tomasz Napierala * argument, instead of key. 9893914ddf8SEdward Tomasz Napierala */ 9903914ddf8SEdward Tomasz Napierala static void 9913914ddf8SEdward Tomasz Napierala parse_included_map(struct node *parent, const char *map) 9923914ddf8SEdward Tomasz Napierala { 9933914ddf8SEdward Tomasz Napierala int error; 9943914ddf8SEdward Tomasz Napierala 9953914ddf8SEdward Tomasz Napierala assert(map[0] != '-'); 9963914ddf8SEdward Tomasz Napierala assert(map[0] != '/'); 9973914ddf8SEdward Tomasz Napierala 9983914ddf8SEdward Tomasz Napierala error = access(AUTO_INCLUDE_PATH, F_OK); 9993914ddf8SEdward Tomasz Napierala if (error != 0) { 10003914ddf8SEdward Tomasz Napierala log_errx(1, "directory services not configured;" 10013914ddf8SEdward Tomasz Napierala " %s does not exist", AUTO_INCLUDE_PATH); 10023914ddf8SEdward Tomasz Napierala } 10033914ddf8SEdward Tomasz Napierala 10043914ddf8SEdward Tomasz Napierala yyin = auto_popen(AUTO_INCLUDE_PATH, map, NULL); 10053914ddf8SEdward Tomasz Napierala assert(yyin != NULL); 10063914ddf8SEdward Tomasz Napierala 10073914ddf8SEdward Tomasz Napierala parse_map_yyin(parent, map, NULL); 10083914ddf8SEdward Tomasz Napierala 10093914ddf8SEdward Tomasz Napierala error = auto_pclose(yyin); 10103914ddf8SEdward Tomasz Napierala yyin = NULL; 10113914ddf8SEdward Tomasz Napierala if (error != 0) 10123914ddf8SEdward Tomasz Napierala log_errx(1, "failed to handle remote map \"%s\"", map); 10133914ddf8SEdward Tomasz Napierala 10143914ddf8SEdward Tomasz Napierala node_expand_includes(parent, false); 10153914ddf8SEdward Tomasz Napierala node_expand_direct_maps(parent); 10163914ddf8SEdward Tomasz Napierala } 10173914ddf8SEdward Tomasz Napierala 10183914ddf8SEdward Tomasz Napierala void 10194cdc52bdSEdward Tomasz Napierala parse_map(struct node *parent, const char *map, const char *key, 10204cdc52bdSEdward Tomasz Napierala bool *wildcards) 10213914ddf8SEdward Tomasz Napierala { 10223914ddf8SEdward Tomasz Napierala char *path = NULL; 10233914ddf8SEdward Tomasz Napierala int error, ret; 10243914ddf8SEdward Tomasz Napierala bool executable; 10253914ddf8SEdward Tomasz Napierala 10263914ddf8SEdward Tomasz Napierala assert(map != NULL); 10273914ddf8SEdward Tomasz Napierala assert(map[0] != '\0'); 10283914ddf8SEdward Tomasz Napierala 10293914ddf8SEdward Tomasz Napierala log_debugx("parsing map \"%s\"", map); 10303914ddf8SEdward Tomasz Napierala 10314cdc52bdSEdward Tomasz Napierala if (wildcards != NULL) 10324cdc52bdSEdward Tomasz Napierala *wildcards = false; 10334cdc52bdSEdward Tomasz Napierala 10344cdc52bdSEdward Tomasz Napierala if (map[0] == '-') { 10354cdc52bdSEdward Tomasz Napierala if (wildcards != NULL) 10364cdc52bdSEdward Tomasz Napierala *wildcards = true; 10373914ddf8SEdward Tomasz Napierala return (parse_special_map(parent, map, key)); 10384cdc52bdSEdward Tomasz Napierala } 10393914ddf8SEdward Tomasz Napierala 10403914ddf8SEdward Tomasz Napierala if (map[0] == '/') { 10413914ddf8SEdward Tomasz Napierala path = checked_strdup(map); 10423914ddf8SEdward Tomasz Napierala } else { 10433914ddf8SEdward Tomasz Napierala ret = asprintf(&path, "%s/%s", AUTO_MAP_PREFIX, map); 10443914ddf8SEdward Tomasz Napierala if (ret < 0) 10453914ddf8SEdward Tomasz Napierala log_err(1, "asprintf"); 10463914ddf8SEdward Tomasz Napierala log_debugx("map \"%s\" maps to \"%s\"", map, path); 10473914ddf8SEdward Tomasz Napierala 10483914ddf8SEdward Tomasz Napierala /* 10493914ddf8SEdward Tomasz Napierala * See if the file exists. If not, try to obtain the map 10503914ddf8SEdward Tomasz Napierala * from directory services. 10513914ddf8SEdward Tomasz Napierala */ 10523914ddf8SEdward Tomasz Napierala error = access(path, F_OK); 10533914ddf8SEdward Tomasz Napierala if (error != 0) { 10543914ddf8SEdward Tomasz Napierala log_debugx("map file \"%s\" does not exist; falling " 10553914ddf8SEdward Tomasz Napierala "back to directory services", path); 10563914ddf8SEdward Tomasz Napierala return (parse_included_map(parent, map)); 10573914ddf8SEdward Tomasz Napierala } 10583914ddf8SEdward Tomasz Napierala } 10593914ddf8SEdward Tomasz Napierala 10603914ddf8SEdward Tomasz Napierala executable = file_is_executable(path); 10613914ddf8SEdward Tomasz Napierala 10623914ddf8SEdward Tomasz Napierala if (executable) { 10633914ddf8SEdward Tomasz Napierala log_debugx("map \"%s\" is executable", map); 10643914ddf8SEdward Tomasz Napierala 10654cdc52bdSEdward Tomasz Napierala if (wildcards != NULL) 10664cdc52bdSEdward Tomasz Napierala *wildcards = true; 10674cdc52bdSEdward Tomasz Napierala 10683914ddf8SEdward Tomasz Napierala if (key != NULL) { 10693914ddf8SEdward Tomasz Napierala yyin = auto_popen(path, key, NULL); 10703914ddf8SEdward Tomasz Napierala } else { 10713914ddf8SEdward Tomasz Napierala yyin = auto_popen(path, NULL); 10723914ddf8SEdward Tomasz Napierala } 10733914ddf8SEdward Tomasz Napierala assert(yyin != NULL); 10743914ddf8SEdward Tomasz Napierala } else { 10753914ddf8SEdward Tomasz Napierala yyin = fopen(path, "r"); 10763914ddf8SEdward Tomasz Napierala if (yyin == NULL) 10773914ddf8SEdward Tomasz Napierala log_err(1, "unable to open \"%s\"", path); 10783914ddf8SEdward Tomasz Napierala } 10793914ddf8SEdward Tomasz Napierala 10803914ddf8SEdward Tomasz Napierala free(path); 10813914ddf8SEdward Tomasz Napierala path = NULL; 10823914ddf8SEdward Tomasz Napierala 10833914ddf8SEdward Tomasz Napierala parse_map_yyin(parent, map, executable ? key : NULL); 10843914ddf8SEdward Tomasz Napierala 10853914ddf8SEdward Tomasz Napierala if (executable) { 10863914ddf8SEdward Tomasz Napierala error = auto_pclose(yyin); 10873914ddf8SEdward Tomasz Napierala yyin = NULL; 10883914ddf8SEdward Tomasz Napierala if (error != 0) { 10893914ddf8SEdward Tomasz Napierala log_errx(1, "failed to handle executable map \"%s\"", 10903914ddf8SEdward Tomasz Napierala map); 10913914ddf8SEdward Tomasz Napierala } 10923914ddf8SEdward Tomasz Napierala } else { 10933914ddf8SEdward Tomasz Napierala fclose(yyin); 10943914ddf8SEdward Tomasz Napierala } 10953914ddf8SEdward Tomasz Napierala yyin = NULL; 10963914ddf8SEdward Tomasz Napierala 10973914ddf8SEdward Tomasz Napierala log_debugx("done parsing map \"%s\"", map); 10983914ddf8SEdward Tomasz Napierala 10993914ddf8SEdward Tomasz Napierala node_expand_includes(parent, false); 11003914ddf8SEdward Tomasz Napierala node_expand_direct_maps(parent); 11013914ddf8SEdward Tomasz Napierala } 11023914ddf8SEdward Tomasz Napierala 11033914ddf8SEdward Tomasz Napierala static void 11043914ddf8SEdward Tomasz Napierala parse_master_yyin(struct node *root, const char *master) 11053914ddf8SEdward Tomasz Napierala { 11063914ddf8SEdward Tomasz Napierala char *mountpoint = NULL, *map = NULL, *options = NULL; 11073914ddf8SEdward Tomasz Napierala int ret; 11083914ddf8SEdward Tomasz Napierala 11093914ddf8SEdward Tomasz Napierala /* 11103914ddf8SEdward Tomasz Napierala * XXX: 1 gives incorrect values; wtf? 11113914ddf8SEdward Tomasz Napierala */ 11123914ddf8SEdward Tomasz Napierala lineno = 0; 11133914ddf8SEdward Tomasz Napierala 11143914ddf8SEdward Tomasz Napierala for (;;) { 11153914ddf8SEdward Tomasz Napierala ret = yylex(); 11163914ddf8SEdward Tomasz Napierala if (ret == 0 || ret == NEWLINE) { 11173914ddf8SEdward Tomasz Napierala if (mountpoint != NULL) { 11183914ddf8SEdward Tomasz Napierala //log_debugx("adding map for %s", mountpoint); 11193914ddf8SEdward Tomasz Napierala node_new_map(root, mountpoint, options, map, 11203914ddf8SEdward Tomasz Napierala master, lineno); 11213914ddf8SEdward Tomasz Napierala } 11223914ddf8SEdward Tomasz Napierala if (ret == 0) { 11233914ddf8SEdward Tomasz Napierala break; 11243914ddf8SEdward Tomasz Napierala } else { 11253914ddf8SEdward Tomasz Napierala mountpoint = map = options = NULL; 11263914ddf8SEdward Tomasz Napierala continue; 11273914ddf8SEdward Tomasz Napierala } 11283914ddf8SEdward Tomasz Napierala } 11293914ddf8SEdward Tomasz Napierala if (mountpoint == NULL) { 11303914ddf8SEdward Tomasz Napierala mountpoint = checked_strdup(yytext); 11313914ddf8SEdward Tomasz Napierala } else if (map == NULL) { 11323914ddf8SEdward Tomasz Napierala map = checked_strdup(yytext); 11333914ddf8SEdward Tomasz Napierala } else if (options == NULL) { 11343914ddf8SEdward Tomasz Napierala /* 11353914ddf8SEdward Tomasz Napierala * +1 to skip leading "-". 11363914ddf8SEdward Tomasz Napierala */ 11373914ddf8SEdward Tomasz Napierala options = checked_strdup(yytext + 1); 11383914ddf8SEdward Tomasz Napierala } else { 11393914ddf8SEdward Tomasz Napierala log_errx(1, "too many arguments at %s, line %d", 11403914ddf8SEdward Tomasz Napierala master, lineno); 11413914ddf8SEdward Tomasz Napierala } 11423914ddf8SEdward Tomasz Napierala } 11433914ddf8SEdward Tomasz Napierala } 11443914ddf8SEdward Tomasz Napierala 11453914ddf8SEdward Tomasz Napierala void 11463914ddf8SEdward Tomasz Napierala parse_master(struct node *root, const char *master) 11473914ddf8SEdward Tomasz Napierala { 11483914ddf8SEdward Tomasz Napierala 11493914ddf8SEdward Tomasz Napierala log_debugx("parsing auto_master file at \"%s\"", master); 11503914ddf8SEdward Tomasz Napierala 11513914ddf8SEdward Tomasz Napierala yyin = fopen(master, "r"); 11523914ddf8SEdward Tomasz Napierala if (yyin == NULL) 11533914ddf8SEdward Tomasz Napierala err(1, "unable to open %s", master); 11543914ddf8SEdward Tomasz Napierala 11553914ddf8SEdward Tomasz Napierala parse_master_yyin(root, master); 11563914ddf8SEdward Tomasz Napierala 11573914ddf8SEdward Tomasz Napierala fclose(yyin); 11583914ddf8SEdward Tomasz Napierala yyin = NULL; 11593914ddf8SEdward Tomasz Napierala 11603914ddf8SEdward Tomasz Napierala log_debugx("done parsing \"%s\"", master); 11613914ddf8SEdward Tomasz Napierala 11623914ddf8SEdward Tomasz Napierala node_expand_includes(root, true); 11633914ddf8SEdward Tomasz Napierala node_expand_direct_maps(root); 11643914ddf8SEdward Tomasz Napierala } 11653914ddf8SEdward Tomasz Napierala 11663914ddf8SEdward Tomasz Napierala /* 11673914ddf8SEdward Tomasz Napierala * Two things daemon(3) does, that we actually also want to do 11683914ddf8SEdward Tomasz Napierala * when running in foreground, is closing the stdin and chdiring 11693914ddf8SEdward Tomasz Napierala * to "/". This is what we do here. 11703914ddf8SEdward Tomasz Napierala */ 11713914ddf8SEdward Tomasz Napierala void 11723914ddf8SEdward Tomasz Napierala lesser_daemon(void) 11733914ddf8SEdward Tomasz Napierala { 11743914ddf8SEdward Tomasz Napierala int error, fd; 11753914ddf8SEdward Tomasz Napierala 11763914ddf8SEdward Tomasz Napierala error = chdir("/"); 11773914ddf8SEdward Tomasz Napierala if (error != 0) 11783914ddf8SEdward Tomasz Napierala log_warn("chdir"); 11793914ddf8SEdward Tomasz Napierala 11803914ddf8SEdward Tomasz Napierala fd = open(_PATH_DEVNULL, O_RDWR, 0); 11813914ddf8SEdward Tomasz Napierala if (fd < 0) { 11823914ddf8SEdward Tomasz Napierala log_warn("cannot open %s", _PATH_DEVNULL); 11833914ddf8SEdward Tomasz Napierala return; 11843914ddf8SEdward Tomasz Napierala } 11853914ddf8SEdward Tomasz Napierala 11863914ddf8SEdward Tomasz Napierala error = dup2(fd, STDIN_FILENO); 11873914ddf8SEdward Tomasz Napierala if (error != 0) 11883914ddf8SEdward Tomasz Napierala log_warn("dup2"); 11893914ddf8SEdward Tomasz Napierala 11903914ddf8SEdward Tomasz Napierala error = close(fd); 11913914ddf8SEdward Tomasz Napierala if (error != 0) { 11923914ddf8SEdward Tomasz Napierala /* Bloody hell. */ 11933914ddf8SEdward Tomasz Napierala log_warn("close"); 11943914ddf8SEdward Tomasz Napierala } 11953914ddf8SEdward Tomasz Napierala } 11963914ddf8SEdward Tomasz Napierala 11973914ddf8SEdward Tomasz Napierala int 11983914ddf8SEdward Tomasz Napierala main(int argc, char **argv) 11993914ddf8SEdward Tomasz Napierala { 12003914ddf8SEdward Tomasz Napierala char *cmdname; 12013914ddf8SEdward Tomasz Napierala 12023914ddf8SEdward Tomasz Napierala if (argv[0] == NULL) 12033914ddf8SEdward Tomasz Napierala log_errx(1, "NULL command name"); 12043914ddf8SEdward Tomasz Napierala 12053914ddf8SEdward Tomasz Napierala cmdname = basename(argv[0]); 12063914ddf8SEdward Tomasz Napierala 12073914ddf8SEdward Tomasz Napierala if (strcmp(cmdname, "automount") == 0) 12083914ddf8SEdward Tomasz Napierala return (main_automount(argc, argv)); 12093914ddf8SEdward Tomasz Napierala else if (strcmp(cmdname, "automountd") == 0) 12103914ddf8SEdward Tomasz Napierala return (main_automountd(argc, argv)); 12113914ddf8SEdward Tomasz Napierala else if (strcmp(cmdname, "autounmountd") == 0) 12123914ddf8SEdward Tomasz Napierala return (main_autounmountd(argc, argv)); 12133914ddf8SEdward Tomasz Napierala else 12143914ddf8SEdward Tomasz Napierala log_errx(1, "binary name should be either \"automount\", " 12153914ddf8SEdward Tomasz Napierala "\"automountd\", or \"autounmountd\""); 12163914ddf8SEdward Tomasz Napierala } 1217