diff options
Diffstat (limited to 'contrib/bind/lib/irs/gen.c')
| -rw-r--r-- | contrib/bind/lib/irs/gen.c | 107 |
1 files changed, 90 insertions, 17 deletions
diff --git a/contrib/bind/lib/irs/gen.c b/contrib/bind/lib/irs/gen.c index 325a526..fe41088 100644 --- a/contrib/bind/lib/irs/gen.c +++ b/contrib/bind/lib/irs/gen.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 1996, 1998 by Internet Software Consortium. + * Copyright (c) 1996-1999 by Internet Software Consortium. * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -16,7 +16,7 @@ */ #if !defined(LINT) && !defined(CODECENTER) -static char rcsid[] = "$Id: gen.c,v 1.18 1998/03/21 00:59:46 halley Exp $"; +static const char rcsid[] = "$Id: gen.c,v 1.25 1999/10/13 16:39:29 vixie Exp $"; #endif /* @@ -35,13 +35,19 @@ static char rcsid[] = "$Id: gen.c,v 1.18 1998/03/21 00:59:46 halley Exp $"; #include "port_before.h" -#include <assert.h> +#include <isc/assertions.h> #include <ctype.h> #include <errno.h> #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <sys/types.h> +#include <netinet/in.h> +#include <arpa/nameser.h> +#include <resolv.h> + +#include <isc/memcluster.h> #include <irs.h> #include "port_after.h" @@ -60,6 +66,7 @@ static const struct nameval acc_names[irs_nacc+1] = { { "local", irs_lcl }, { "dns", irs_dns }, { "nis", irs_nis }, + { "irp", irs_irp }, { NULL, irs_nacc } }; @@ -73,6 +80,7 @@ static const accinit accs[irs_nacc+1] = { #else NULL, #endif + irs_irp_acc, NULL }; @@ -96,8 +104,11 @@ static const struct nameval option_names[] = { /* Forward */ static void gen_close(struct irs_acc *); +static struct __res_state * gen_res_get(struct irs_acc *); +static void gen_res_set(struct irs_acc *, struct __res_state *, + void (*)(void *)); static int find_name(const char *, const struct nameval nv[]); -static void init_map_rules(struct gen_p *); +static void init_map_rules(struct gen_p *, const char *conf_file); static struct irs_rule *release_rule(struct irs_rule *); static int add_rule(struct gen_p *, enum irs_map_id, enum irs_acc_id, @@ -106,25 +117,27 @@ static int add_rule(struct gen_p *, /* Public */ struct irs_acc * -irs_gen_acc(const char *options) { +irs_gen_acc(const char *options, const char *conf_file) { struct irs_acc *acc; struct gen_p *irs; - if (!(acc = malloc(sizeof *acc))) { + if (!(acc = memget(sizeof *acc))) { errno = ENOMEM; return (NULL); } memset(acc, 0x5e, sizeof *acc); - if (!(irs = malloc(sizeof *irs))) { + if (!(irs = memget(sizeof *irs))) { errno = ENOMEM; - free(acc); + memput(acc, sizeof *acc); return (NULL); } memset(irs, 0x5e, sizeof *irs); irs->options = strdup(options); + irs->res = NULL; + irs->free_res = NULL; memset(irs->accessors, 0, sizeof irs->accessors); memset(irs->map_rules, 0, sizeof irs->map_rules); - init_map_rules(irs); + init_map_rules(irs, conf_file); acc->private = irs; #ifdef WANT_IRS_GR acc->gr_map = irs_gen_gr; @@ -141,12 +154,65 @@ irs_gen_acc(const char *options) { acc->ho_map = irs_gen_ho; acc->nw_map = irs_gen_nw; acc->ng_map = irs_gen_ng; + acc->res_get = gen_res_get; + acc->res_set = gen_res_set; acc->close = gen_close; return (acc); } /* Methods */ +static struct __res_state * +gen_res_get(struct irs_acc *this) { + struct gen_p *irs = (struct gen_p *)this->private; + + if (irs->res == NULL) { + struct __res_state *res; + res = (struct __res_state *)malloc(sizeof *res); + if (res == NULL) + return (NULL); + memset(res, 0, sizeof *res); + gen_res_set(this, res, free); + } + + if (((irs->res->options & RES_INIT) == 0) && res_ninit(irs->res) < 0) + return (NULL); + + return (irs->res); +} + +static void +gen_res_set(struct irs_acc *this, struct __res_state *res, + void (*free_res)(void *)) { + struct gen_p *irs = (struct gen_p *)this->private; +#if 0 + struct irs_rule *rule; + struct irs_ho *ho; + struct irs_nw *nw; +#endif + + if (irs->res && irs->free_res) { + res_nclose(irs->res); + (*irs->free_res)(irs->res); + } + + irs->res = res; + irs->free_res = free_res; + +#if 0 + for (rule = irs->map_rules[irs_ho]; rule; rule = rule->next) { + ho = rule->inst->ho; + + (*ho->res_set)(ho, res, NULL); + } + for (rule = irs->map_rules[irs_nw]; rule; rule = rule->next) { + nw = rule->inst->nw; + + (*nw->res_set)(nw, res, NULL); + } +#endif +} + static void gen_close(struct irs_acc *this) { struct gen_p *irs = (struct gen_p *)this->private; @@ -182,11 +248,14 @@ gen_close(struct irs_acc *this) { /* The options string was strdup'd. */ free((void*)irs->options); + if (irs->res && irs->free_res) + (*irs->free_res)(irs->res); + /* The private data container. */ - free(irs); + memput(irs, sizeof *irs); /* The object. */ - free(this); + memput(this, sizeof *this); } /* Private */ @@ -205,7 +274,7 @@ static struct irs_rule * release_rule(struct irs_rule *rule) { struct irs_rule *next = rule->next; - free(rule); + memput(rule, sizeof *rule); return (next); } @@ -231,7 +300,7 @@ add_rule(struct gen_p *irs, if (acc == irs_nis) return (-1); #endif - new = (struct irs_rule *)malloc(sizeof *new); + new = memget(sizeof *new); if (new == NULL) return (-1); memset(new, 0x5e, sizeof *new); @@ -310,11 +379,15 @@ default_map_rules(struct gen_p *irs) { } static void -init_map_rules(struct gen_p *irs) { +init_map_rules(struct gen_p *irs, const char *conf_file) { char line[1024], pattern[40], mapname[20], accname[20], options[100]; FILE *conf; - if ((conf = fopen(_PATH_IRS_CONF, "r")) == NULL) { + if (conf_file == NULL) + conf_file = _PATH_IRS_CONF ; + + /* A conf file of "" means compiled in defaults. Irpd wants this */ + if (conf_file[0] == '\0' || (conf = fopen(conf_file, "r")) == NULL) { default_map_rules(irs); return; } @@ -337,13 +410,13 @@ init_map_rules(struct gen_p *irs) { options[0] = '\0'; n = find_name(mapname, map_names); - assert(n < irs_nmap); + INSIST(n < irs_nmap); if (n < 0) continue; map = (enum irs_map_id) n; n = find_name(accname, acc_names); - assert(n < irs_nacc); + INSIST(n < irs_nacc); if (n < 0) continue; acc = (enum irs_acc_id) n; |
