diff options
author | Igor Sysoev <igor@sysoev.ru> | 2008-05-16 18:39:06 +0400 |
---|---|---|
committer | Igor Sysoev <igor@sysoev.ru> | 2008-05-16 18:39:06 +0400 |
commit | 3be5257a4f8e6e0fd5d058a314adbe5b7f5b9dd7 (patch) | |
tree | eb8ec2fe0dc4f288caa29e991318cbd9bc21e36b /src | |
parent | 76566f88d9984cc870aa6ccb4eca64ef43ff40d2 (diff) |
$hostname variable
Diffstat (limited to 'src')
-rw-r--r-- | src/core/ngx_config.h | 9 | ||||
-rw-r--r-- | src/core/ngx_cycle.c | 21 | ||||
-rw-r--r-- | src/core/ngx_cycle.h | 1 | ||||
-rw-r--r-- | src/http/ngx_http_core_module.c | 15 | ||||
-rw-r--r-- | src/http/ngx_http_variables.c | 19 | ||||
-rw-r--r-- | src/mail/ngx_mail_core_module.c | 15 |
6 files changed, 48 insertions, 32 deletions
diff --git a/src/core/ngx_config.h b/src/core/ngx_config.h index a6a9f5d27..8b802aa9c 100644 --- a/src/core/ngx_config.h +++ b/src/core/ngx_config.h @@ -116,10 +116,11 @@ typedef intptr_t ngx_flag_t; #define INET_ADDRSTRLEN 16 #endif -#define NGX_MAXHOSTNAMELEN 64 -/* -#define NGX_MAXHOSTNAMELEN MAXHOSTNAMELEN -*/ +#ifdef MAXHOSTNAMELEN +#define NGX_MAXHOSTNAMELEN MAXHOSTNAMELEN +#else +#define NGX_MAXHOSTNAMELEN 256 +#endif #if ((__GNU__ == 2) && (__GNUC_MINOR__ < 8)) diff --git a/src/core/ngx_cycle.c b/src/core/ngx_cycle.c index edcb6b5b0..9cdbb2d95 100644 --- a/src/core/ngx_cycle.c +++ b/src/core/ngx_cycle.c @@ -57,6 +57,7 @@ ngx_init_cycle(ngx_cycle_t *old_cycle) ngx_listening_t *ls, *nls; ngx_core_conf_t *ccf, *old_ccf; ngx_core_module_t *module; + char hostname[NGX_MAXHOSTNAMELEN]; log = old_cycle->log; @@ -170,6 +171,26 @@ ngx_init_cycle(ngx_cycle_t *old_cycle) } + if (gethostname(hostname, NGX_MAXHOSTNAMELEN) == -1) { + ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "gethostname() failed"); + ngx_destroy_pool(pool); + return NULL; + } + + /* on Linux gethostname() silently truncates name that does not fit */ + + hostname[NGX_MAXHOSTNAMELEN - 1] = '\0'; + cycle->hostname.len = ngx_strlen(hostname); + + cycle->hostname.data = ngx_palloc(pool, cycle->hostname.len); + if (cycle->hostname.data == NULL) { + ngx_destroy_pool(pool); + return NULL; + } + + ngx_memcpy(cycle->hostname.data, hostname, cycle->hostname.len); + + for (i = 0; ngx_modules[i]; i++) { if (ngx_modules[i]->type != NGX_CORE_MODULE) { continue; diff --git a/src/core/ngx_cycle.h b/src/core/ngx_cycle.h index 820ebbe0d..845ce8771 100644 --- a/src/core/ngx_cycle.h +++ b/src/core/ngx_cycle.h @@ -62,6 +62,7 @@ struct ngx_cycle_s { ngx_str_t conf_file; ngx_str_t root; ngx_str_t lock_file; + ngx_str_t hostname; }; diff --git a/src/http/ngx_http_core_module.c b/src/http/ngx_http_core_module.c index a80947058..f9b11b930 100644 --- a/src/http/ngx_http_core_module.c +++ b/src/http/ngx_http_core_module.c @@ -2606,20 +2606,7 @@ ngx_http_core_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) } if (conf->server_name.data == NULL) { - conf->server_name.data = ngx_palloc(cf->pool, NGX_MAXHOSTNAMELEN); - if (conf->server_name.data == NULL) { - return NGX_CONF_ERROR; - } - - if (gethostname((char *) conf->server_name.data, NGX_MAXHOSTNAMELEN) - == -1) - { - ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno, - "gethostname() failed"); - return NGX_CONF_ERROR; - } - - conf->server_name.len = ngx_strlen(conf->server_name.data); + conf->server_name = cf->cycle->hostname; sn = ngx_array_push(&conf->server_names); if (sn == NULL) { diff --git a/src/http/ngx_http_variables.c b/src/http/ngx_http_variables.c index c2a27a76a..16f092305 100644 --- a/src/http/ngx_http_variables.c +++ b/src/http/ngx_http_variables.c @@ -75,6 +75,8 @@ static ngx_int_t ngx_http_variable_sent_transfer_encoding(ngx_http_request_t *r, static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r, ngx_http_variable_value_t *v, uintptr_t data); +static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r, + ngx_http_variable_value_t *v, uintptr_t data); /* * TODO: @@ -221,6 +223,9 @@ static ngx_http_variable_t ngx_http_core_variables[] = { { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version, 0, 0, 0 }, + { ngx_string("hostname"), NULL, ngx_http_variable_hostname, + 0, 0, 0 }, + { ngx_null_string, NULL, NULL, 0, 0, 0 } }; @@ -1272,6 +1277,20 @@ ngx_http_variable_nginx_version(ngx_http_request_t *r, } +static ngx_int_t +ngx_http_variable_hostname(ngx_http_request_t *r, + ngx_http_variable_value_t *v, uintptr_t data) +{ + v->len = ngx_cycle->hostname.len; + v->valid = 1; + v->no_cacheable = 0; + v->not_found = 0; + v->data = ngx_cycle->hostname.data; + + return NGX_OK; +} + + ngx_int_t ngx_http_variables_add_core_vars(ngx_conf_t *cf) { diff --git a/src/mail/ngx_mail_core_module.c b/src/mail/ngx_mail_core_module.c index 03635fc43..e52ea5750 100644 --- a/src/mail/ngx_mail_core_module.c +++ b/src/mail/ngx_mail_core_module.c @@ -185,20 +185,7 @@ ngx_mail_core_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) ngx_conf_merge_str_value(conf->server_name, prev->server_name, ""); if (conf->server_name.len == 0) { - conf->server_name.data = ngx_palloc(cf->pool, NGX_MAXHOSTNAMELEN); - if (conf->server_name.data == NULL) { - return NGX_CONF_ERROR; - } - - if (gethostname((char *) conf->server_name.data, NGX_MAXHOSTNAMELEN) - == -1) - { - ngx_log_error(NGX_LOG_EMERG, cf->log, ngx_errno, - "gethostname() failed"); - return NGX_CONF_ERROR; - } - - conf->server_name.len = ngx_strlen(conf->server_name.data); + conf->server_name = cf->cycle->hostname; } if (conf->protocol == NULL) { |