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MINOR: resolvers: renames type dns_resolvers to resolvers.

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It also renames 'dns_resolvers' head list to sec_resolvers
to avoid conflicts with local variables 'resolvers'.
This commit is contained in:
Emeric Brun 2020-12-23 16:51:12 +01:00 committed by Willy Tarreau
parent 85914e9d9b
commit 750fe79cd0
8 changed files with 48 additions and 48 deletions
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2
include/haproxy/action-t.h
View File

@ -118,7 +118,7 @@ struct act_rule {
struct sample_expr *expr;
char *varname;
char *resolvers_id;
struct dns_resolvers *resolvers;
struct resolvers *resolvers;
struct dns_options *dns_opts;
} dns; /* dns resolution */
struct {

8
include/haproxy/dns-t.h
View File

@ -162,7 +162,7 @@ struct resolv_response {
* servers points to it.
* current resolution are stored in a FIFO list.
*/
struct dns_resolvers {
struct resolvers {
__decl_thread(HA_SPINLOCK_T lock);
unsigned int accepted_payload_size; /* maximum payload size we accept for responses */
int nb_nameservers; /* total number of active nameservers in a resolvers section */
@ -206,7 +206,7 @@ struct dns_nameserver {
int line; /* line where the section appears */
} conf; /* config information */
struct dns_resolvers *resolvers;
struct resolvers *resolvers;
struct dgram_conn *dgram; /* transport layer */
struct sockaddr_storage addr; /* IP address */
@ -261,7 +261,7 @@ struct dns_options {
* query_id.
*/
struct dns_resolution {
struct dns_resolvers *resolvers; /* pointer to the resolvers structure owning the resolution */
struct resolvers *resolvers; /* pointer to the resolvers structure owning the resolution */
struct list requesters; /* list of requesters using this resolution */
int uuid; /* unique id (used for debugging purpose) */
char *hostname_dn; /* server hostname in domain name label format */
@ -350,7 +350,7 @@ enum {
struct proxy;
struct dns_srvrq {
enum obj_type obj_type; /* object type == OBJ_TYPE_SRVRQ */
struct dns_resolvers *resolvers; /* pointer to the resolvers structure used for this server template */
struct resolvers *resolvers; /* pointer to the resolvers structure used for this server template */
struct proxy *proxy; /* associated proxy */
char *name;
char *hostname_dn; /* server hostname in Domain Name format */

4
include/haproxy/dns.h
View File

@ -25,10 +25,10 @@
#include <haproxy/action-t.h>
#include <haproxy/dns-t.h>
extern struct list dns_resolvers;
extern struct list sec_resolvers;
extern unsigned int dns_failed_resolutions;
struct dns_resolvers *find_resolvers_by_id(const char *id);
struct resolvers *find_resolvers_by_id(const char *id);
struct dns_srvrq *find_srvrq_by_name(const char *name, struct proxy *px);
struct dns_srvrq *new_dns_srvrq(struct server *srv, char *fqdn);

2
include/haproxy/server-t.h
View File

@ -294,7 +294,7 @@ struct server {
struct dns_requester *dns_requester; /* used to link a server to its DNS resolution */
char *resolvers_id; /* resolvers section used by this server */
struct dns_resolvers *resolvers; /* pointer to the resolvers structure used by this server */
struct resolvers *resolvers; /* pointer to the resolvers structure used by this server */
char *lastaddr; /* the address string provided by the server-state file */
struct dns_options dns_opts;
int hostname_dn_len; /* string length of the server hostname in Domain Name format */

10
src/cfgparse.c
View File

@ -920,7 +920,7 @@ out:
*/
int cfg_parse_resolvers(const char *file, int linenum, char **args, int kwm)
{
static struct dns_resolvers *curr_resolvers = NULL;
static struct resolvers *curr_resolvers = NULL;
const char *err;
int err_code = 0;
char *errmsg = NULL;
@ -940,7 +940,7 @@ int cfg_parse_resolvers(const char *file, int linenum, char **args, int kwm)
goto out;
}
list_for_each_entry(curr_resolvers, &dns_resolvers, list) {
list_for_each_entry(curr_resolvers, &sec_resolvers, list) {
/* Error if two resolvers owns the same name */
if (strcmp(curr_resolvers->id, args[1]) == 0) {
ha_alert("Parsing [%s:%d]: resolvers '%s' has same name as another resolvers (declared at %s:%d).\n",
@ -956,7 +956,7 @@ int cfg_parse_resolvers(const char *file, int linenum, char **args, int kwm)
}
/* default values */
LIST_ADDQ(&dns_resolvers, &curr_resolvers->list);
LIST_ADDQ(&sec_resolvers, &curr_resolvers->list);
curr_resolvers->conf.file = strdup(file);
curr_resolvers->conf.line = linenum;
curr_resolvers->id = strdup(args[1]);
@ -2284,7 +2284,7 @@ int check_config_validity()
struct bind_conf *bind_conf;
char *err;
struct cfg_postparser *postparser;
struct dns_resolvers *curr_resolvers = NULL;
struct resolvers *curr_resolvers = NULL;
bind_conf = NULL;
/*
@ -4101,7 +4101,7 @@ out_uri_auth_compat:
curproxy->server_state_file_name = strdup(curproxy->id);
}
list_for_each_entry(curr_resolvers, &dns_resolvers, list) {
list_for_each_entry(curr_resolvers, &sec_resolvers, list) {
if (LIST_ISEMPTY(&curr_resolvers->nameservers)) {
ha_warning("config : resolvers '%s' [%s:%d] has no nameservers configured!\n",
curr_resolvers->id, curr_resolvers->conf.file,

66
src/dns.c
View File

@ -45,7 +45,7 @@
#include <haproxy/vars.h>
struct list dns_resolvers = LIST_HEAD_INIT(dns_resolvers);
struct list sec_resolvers = LIST_HEAD_INIT(sec_resolvers);
struct list dns_srvrq_list = LIST_HEAD_INIT(dns_srvrq_list);
static THREAD_LOCAL uint64_t dns_query_id_seed = 0; /* random seed */
@ -138,11 +138,11 @@ INITCALL1(STG_REGISTER, stats_register_module, &dns_stats_module);
/* Returns a pointer to the resolvers matching the id <id>. NULL is returned if
* no match is found.
*/
struct dns_resolvers *find_resolvers_by_id(const char *id)
struct resolvers *find_resolvers_by_id(const char *id)
{
struct dns_resolvers *res;
struct resolvers *res;
list_for_each_entry(res, &dns_resolvers, list) {
list_for_each_entry(res, &sec_resolvers, list) {
if (strcmp(res->id, id) == 0)
return res;
}
@ -239,7 +239,7 @@ static inline int dns_resolution_timeout(struct dns_resolution *res)
}
/* Updates a resolvers' task timeout for next wake up and queue it */
static void dns_update_resolvers_timeout(struct dns_resolvers *resolvers)
static void dns_update_resolvers_timeout(struct resolvers *resolvers)
{
struct dns_resolution *res;
int next;
@ -355,7 +355,7 @@ static int dns_build_query(int query_id, int query_type, unsigned int accepted_p
*/
static int dns_send_query(struct dns_resolution *resolution)
{
struct dns_resolvers *resolvers = resolution->resolvers;
struct resolvers *resolvers = resolution->resolvers;
struct dns_nameserver *ns;
int len;
@ -413,7 +413,7 @@ static int dns_send_query(struct dns_resolution *resolution)
static int
dns_run_resolution(struct dns_resolution *resolution)
{
struct dns_resolvers *resolvers = resolution->resolvers;
struct resolvers *resolvers = resolution->resolvers;
int query_id, i;
/* Avoid sending requests for resolutions that don't yet have an
@ -459,7 +459,7 @@ dns_run_resolution(struct dns_resolution *resolution)
/* Performs a name resolution for the requester <req> */
void dns_trigger_resolution(struct dns_requester *req)
{
struct dns_resolvers *resolvers;
struct resolvers *resolvers;
struct dns_resolution *res;
int exp;
@ -595,7 +595,7 @@ int dns_read_name(unsigned char *buffer, unsigned char *bufend,
*/
static void dns_check_dns_response(struct dns_resolution *res)
{
struct dns_resolvers *resolvers = res->resolvers;
struct resolvers *resolvers = res->resolvers;
struct dns_requester *req, *reqback;
struct resolv_answer_item *item, *itemback;
struct server *srv;
@ -1623,7 +1623,7 @@ int dns_hostname_validation(const char *string, char **err)
*
* Returns an available resolution, NULL if none found.
*/
static struct dns_resolution *dns_pick_resolution(struct dns_resolvers *resolvers,
static struct dns_resolution *dns_pick_resolution(struct resolvers *resolvers,
char **hostname_dn, int hostname_dn_len,
int query_type)
{
@ -1715,7 +1715,7 @@ int dns_link_resolution(void *requester, int requester_type, int requester_locke
{
struct dns_resolution *res = NULL;
struct dns_requester *req;
struct dns_resolvers *resolvers;
struct resolvers *resolvers;
struct server *srv = NULL;
struct dns_srvrq *srvrq = NULL;
struct stream *stream = NULL;
@ -1875,7 +1875,7 @@ static void dns_resolve_recv(struct dgram_conn *dgram)
{
struct dns_nameserver *ns;
struct dns_counters *tmpcounters;
struct dns_resolvers *resolvers;
struct resolvers *resolvers;
struct dns_resolution *res;
struct resolv_query_item *query;
unsigned char buf[DNS_MAX_UDP_MESSAGE + 1];
@ -2072,7 +2072,7 @@ static void dns_resolve_recv(struct dgram_conn *dgram)
/* Called when a resolvers network socket is ready to send data */
static void dns_resolve_send(struct dgram_conn *dgram)
{
struct dns_resolvers *resolvers;
struct resolvers *resolvers;
struct dns_nameserver *ns;
struct dns_resolution *res;
int fd;
@ -2134,7 +2134,7 @@ static void dns_resolve_send(struct dgram_conn *dgram)
*/
static struct task *dns_process_resolvers(struct task *t, void *context, unsigned short state)
{
struct dns_resolvers *resolvers = context;
struct resolvers *resolvers = context;
struct dns_resolution *res, *resback;
int exp;
@ -2215,13 +2215,13 @@ struct dgram_data_cb resolve_dgram_cb = {
/* Release memory allocated by DNS */
static void dns_deinit(void)
{
struct dns_resolvers *resolvers, *resolversback;
struct resolvers *resolvers, *resolversback;
struct dns_nameserver *ns, *nsback;
struct dns_resolution *res, *resback;
struct dns_requester *req, *reqback;
struct dns_srvrq *srvrq, *srvrqback;
list_for_each_entry_safe(resolvers, resolversback, &dns_resolvers, list) {
list_for_each_entry_safe(resolvers, resolversback, &sec_resolvers, list) {
list_for_each_entry_safe(ns, nsback, &resolvers->nameservers, list) {
free(ns->id);
free((char *)ns->conf.file);
@ -2270,12 +2270,12 @@ static void dns_deinit(void)
*/
static int dns_finalize_config(void)
{
struct dns_resolvers *resolvers;
struct resolvers *resolvers;
struct proxy *px;
int err_code = 0;
/* allocate pool of resolution per resolvers */
list_for_each_entry(resolvers, &dns_resolvers, list) {
list_for_each_entry(resolvers, &sec_resolvers, list) {
struct dns_nameserver *ns;
struct task *t;
@ -2342,7 +2342,7 @@ static int dns_finalize_config(void)
struct server *srv;
for (srv = px->srv; srv; srv = srv->next) {
struct dns_resolvers *resolvers;
struct resolvers *resolvers;
if (!srv->resolvers_id)
continue;
@ -2424,14 +2424,14 @@ int stats_dump_dns(struct stream_interface *si,
{
struct appctx *appctx = __objt_appctx(si->end);
struct channel *rep = si_ic(si);
struct dns_resolvers *resolver = appctx->ctx.stats.obj1;
struct resolvers *resolver = appctx->ctx.stats.obj1;
struct dns_nameserver *ns = appctx->ctx.stats.obj2;
if (!resolver)
resolver = LIST_NEXT(&dns_resolvers, struct dns_resolvers *, list);
resolver = LIST_NEXT(&sec_resolvers, struct resolvers *, list);
/* dump resolvers */
list_for_each_entry_from(resolver, &dns_resolvers, list) {
list_for_each_entry_from(resolver, &sec_resolvers, list) {
appctx->ctx.stats.obj1 = resolver;
ns = appctx->ctx.stats.obj2 ?
@ -2463,7 +2463,7 @@ int stats_dump_dns(struct stream_interface *si,
void dns_stats_clear_counters(int clrall, struct list *stat_modules)
{
struct dns_resolvers *resolvers;
struct resolvers *resolvers;
struct dns_nameserver *ns;
struct stats_module *mod;
void *counters;
@ -2472,7 +2472,7 @@ void dns_stats_clear_counters(int clrall, struct list *stat_modules)
if (!mod->clearable && !clrall)
continue;
list_for_each_entry(resolvers, &dns_resolvers, list) {
list_for_each_entry(resolvers, &sec_resolvers, list) {
list_for_each_entry(ns, &resolvers->nameservers, list) {
counters = EXTRA_COUNTERS_GET(ns->extra_counters, mod);
memcpy(counters, mod->counters, mod->counters_size);
@ -2485,10 +2485,10 @@ void dns_stats_clear_counters(int clrall, struct list *stat_modules)
int dns_allocate_counters(struct list *stat_modules)
{
struct stats_module *mod;
struct dns_resolvers *resolvers;
struct resolvers *resolvers;
struct dns_nameserver *ns;
list_for_each_entry(resolvers, &dns_resolvers, list) {
list_for_each_entry(resolvers, &sec_resolvers, list) {
list_for_each_entry(ns, &resolvers->nameservers, list) {
EXTRA_COUNTERS_REGISTER(&ns->extra_counters, COUNTERS_DNS,
alloc_failed);
@ -2525,10 +2525,10 @@ alloc_failed:
/* if an arg is found, it sets the resolvers section pointer into cli.p0 */
static int cli_parse_stat_resolvers(char **args, char *payload, struct appctx *appctx, void *private)
{
struct dns_resolvers *presolvers;
struct resolvers *presolvers;
if (*args[2]) {
list_for_each_entry(presolvers, &dns_resolvers, list) {
list_for_each_entry(presolvers, &sec_resolvers, list) {
if (strcmp(presolvers->id, args[2]) == 0) {
appctx->ctx.cli.p0 = presolvers;
break;
@ -2548,7 +2548,7 @@ static int cli_parse_stat_resolvers(char **args, char *payload, struct appctx *a
static int cli_io_handler_dump_resolvers_to_buffer(struct appctx *appctx)
{
struct stream_interface *si = appctx->owner;
struct dns_resolvers *resolvers;
struct resolvers *resolvers;
struct dns_nameserver *ns;
chunk_reset(&trash);
@ -2559,11 +2559,11 @@ static int cli_io_handler_dump_resolvers_to_buffer(struct appctx *appctx)
/* fall through */
case STAT_ST_LIST:
if (LIST_ISEMPTY(&dns_resolvers)) {
if (LIST_ISEMPTY(&sec_resolvers)) {
chunk_appendf(&trash, "No resolvers found\n");
}
else {
list_for_each_entry(resolvers, &dns_resolvers, list) {
list_for_each_entry(resolvers, &sec_resolvers, list) {
if (appctx->ctx.cli.p0 != NULL && appctx->ctx.cli.p0 != resolvers)
continue;
@ -2663,7 +2663,7 @@ enum act_return dns_action_do_resolve(struct act_rule *rule, struct proxy *px,
struct sample *smp;
char *fqdn;
struct dns_requester *req;
struct dns_resolvers *resolvers;
struct resolvers *resolvers;
struct dns_resolution *res;
int exp, locked = 0;
enum act_return ret = ACT_RET_CONT;
@ -2916,7 +2916,7 @@ INITCALL1(STG_REGISTER, tcp_req_cont_keywords_register, &tcp_req_cont_actions);
*/
int check_action_do_resolve(struct act_rule *rule, struct proxy *px, char **err)
{
struct dns_resolvers *resolvers = NULL;
struct resolvers *resolvers = NULL;
if (rule->arg.dns.resolvers_id == NULL) {
memprintf(err,"Proxy '%s': %s", px->id, "do-resolve action without resolvers");

2
src/server.c
View File

@ -3863,7 +3863,7 @@ out:
*/
int snr_update_srv_status(struct server *s, int has_no_ip)
{
struct dns_resolvers *resolvers = s->resolvers;
struct resolvers *resolvers = s->resolvers;
struct dns_resolution *resolution = s->dns_requester->resolution;
int exp;

2
src/stream.c
View File

@ -668,7 +668,7 @@ static void stream_free(struct stream *s)
}
if (s->dns_ctx.dns_requester) {
__decl_thread(struct dns_resolvers *resolvers = s->dns_ctx.parent->arg.dns.resolvers);
__decl_thread(struct resolvers *resolvers = s->dns_ctx.parent->arg.dns.resolvers);
HA_SPIN_LOCK(DNS_LOCK, &resolvers->lock);
free(s->dns_ctx.hostname_dn); s->dns_ctx.hostname_dn = NULL;