diff options
Diffstat (limited to 'app/nginx/src/mail/ngx_mail_ssl_module.c')
| -rw-r--r-- | app/nginx/src/mail/ngx_mail_ssl_module.c | 661 |
1 files changed, 0 insertions, 661 deletions
diff --git a/app/nginx/src/mail/ngx_mail_ssl_module.c b/app/nginx/src/mail/ngx_mail_ssl_module.c deleted file mode 100644 index fbc9bc7..0000000 --- a/app/nginx/src/mail/ngx_mail_ssl_module.c +++ /dev/null @@ -1,661 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_mail.h> - - -#define NGX_DEFAULT_CIPHERS "HIGH:!aNULL:!MD5" -#define NGX_DEFAULT_ECDH_CURVE "auto" - - -static void *ngx_mail_ssl_create_conf(ngx_conf_t *cf); -static char *ngx_mail_ssl_merge_conf(ngx_conf_t *cf, void *parent, void *child); - -static char *ngx_mail_ssl_enable(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_mail_ssl_starttls(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_mail_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -static char *ngx_mail_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); - - -static ngx_conf_enum_t ngx_mail_starttls_state[] = { - { ngx_string("off"), NGX_MAIL_STARTTLS_OFF }, - { ngx_string("on"), NGX_MAIL_STARTTLS_ON }, - { ngx_string("only"), NGX_MAIL_STARTTLS_ONLY }, - { ngx_null_string, 0 } -}; - - - -static ngx_conf_bitmask_t ngx_mail_ssl_protocols[] = { - { ngx_string("SSLv2"), NGX_SSL_SSLv2 }, - { ngx_string("SSLv3"), NGX_SSL_SSLv3 }, - { ngx_string("TLSv1"), NGX_SSL_TLSv1 }, - { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 }, - { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 }, - { ngx_null_string, 0 } -}; - - -static ngx_conf_enum_t ngx_mail_ssl_verify[] = { - { ngx_string("off"), 0 }, - { ngx_string("on"), 1 }, - { ngx_string("optional"), 2 }, - { ngx_string("optional_no_ca"), 3 }, - { ngx_null_string, 0 } -}; - - -static ngx_command_t ngx_mail_ssl_commands[] = { - - { ngx_string("ssl"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_FLAG, - ngx_mail_ssl_enable, - NGX_MAIL_SRV_CONF_OFFSET, - offsetof(ngx_mail_ssl_conf_t, enable), - NULL }, - - { ngx_string("starttls"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, - ngx_mail_ssl_starttls, - NGX_MAIL_SRV_CONF_OFFSET, - offsetof(ngx_mail_ssl_conf_t, starttls), - ngx_mail_starttls_state }, - - { ngx_string("ssl_certificate"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_array_slot, - NGX_MAIL_SRV_CONF_OFFSET, - offsetof(ngx_mail_ssl_conf_t, certificates), - NULL }, - - { ngx_string("ssl_certificate_key"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_array_slot, - NGX_MAIL_SRV_CONF_OFFSET, - offsetof(ngx_mail_ssl_conf_t, certificate_keys), - NULL }, - - { ngx_string("ssl_password_file"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, - ngx_mail_ssl_password_file, - NGX_MAIL_SRV_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("ssl_dhparam"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_MAIL_SRV_CONF_OFFSET, - offsetof(ngx_mail_ssl_conf_t, dhparam), - NULL }, - - { ngx_string("ssl_ecdh_curve"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_MAIL_SRV_CONF_OFFSET, - offsetof(ngx_mail_ssl_conf_t, ecdh_curve), - NULL }, - - { ngx_string("ssl_protocols"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_MAIL_SRV_CONF_OFFSET, - offsetof(ngx_mail_ssl_conf_t, protocols), - &ngx_mail_ssl_protocols }, - - { ngx_string("ssl_ciphers"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_MAIL_SRV_CONF_OFFSET, - offsetof(ngx_mail_ssl_conf_t, ciphers), - NULL }, - - { ngx_string("ssl_prefer_server_ciphers"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_MAIL_SRV_CONF_OFFSET, - offsetof(ngx_mail_ssl_conf_t, prefer_server_ciphers), - NULL }, - - { ngx_string("ssl_session_cache"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE12, - ngx_mail_ssl_session_cache, - NGX_MAIL_SRV_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("ssl_session_tickets"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_FLAG, - ngx_conf_set_flag_slot, - NGX_MAIL_SRV_CONF_OFFSET, - offsetof(ngx_mail_ssl_conf_t, session_tickets), - NULL }, - - { ngx_string("ssl_session_ticket_key"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_array_slot, - NGX_MAIL_SRV_CONF_OFFSET, - offsetof(ngx_mail_ssl_conf_t, session_ticket_keys), - NULL }, - - { ngx_string("ssl_session_timeout"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_sec_slot, - NGX_MAIL_SRV_CONF_OFFSET, - offsetof(ngx_mail_ssl_conf_t, session_timeout), - NULL }, - - { ngx_string("ssl_verify_client"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_enum_slot, - NGX_MAIL_SRV_CONF_OFFSET, - offsetof(ngx_mail_ssl_conf_t, verify), - &ngx_mail_ssl_verify }, - - { ngx_string("ssl_verify_depth"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_num_slot, - NGX_MAIL_SRV_CONF_OFFSET, - offsetof(ngx_mail_ssl_conf_t, verify_depth), - NULL }, - - { ngx_string("ssl_client_certificate"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_MAIL_SRV_CONF_OFFSET, - offsetof(ngx_mail_ssl_conf_t, client_certificate), - NULL }, - - { ngx_string("ssl_trusted_certificate"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_MAIL_SRV_CONF_OFFSET, - offsetof(ngx_mail_ssl_conf_t, trusted_certificate), - NULL }, - - { ngx_string("ssl_crl"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_str_slot, - NGX_MAIL_SRV_CONF_OFFSET, - offsetof(ngx_mail_ssl_conf_t, crl), - NULL }, - - ngx_null_command -}; - - -static ngx_mail_module_t ngx_mail_ssl_module_ctx = { - NULL, /* protocol */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - ngx_mail_ssl_create_conf, /* create server configuration */ - ngx_mail_ssl_merge_conf /* merge server configuration */ -}; - - -ngx_module_t ngx_mail_ssl_module = { - NGX_MODULE_V1, - &ngx_mail_ssl_module_ctx, /* module context */ - ngx_mail_ssl_commands, /* module directives */ - NGX_MAIL_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_str_t ngx_mail_ssl_sess_id_ctx = ngx_string("MAIL"); - - -static void * -ngx_mail_ssl_create_conf(ngx_conf_t *cf) -{ - ngx_mail_ssl_conf_t *scf; - - scf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_ssl_conf_t)); - if (scf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * scf->protocols = 0; - * scf->dhparam = { 0, NULL }; - * scf->ecdh_curve = { 0, NULL }; - * scf->client_certificate = { 0, NULL }; - * scf->trusted_certificate = { 0, NULL }; - * scf->crl = { 0, NULL }; - * scf->ciphers = { 0, NULL }; - * scf->shm_zone = NULL; - */ - - scf->enable = NGX_CONF_UNSET; - scf->starttls = NGX_CONF_UNSET_UINT; - scf->certificates = NGX_CONF_UNSET_PTR; - scf->certificate_keys = NGX_CONF_UNSET_PTR; - scf->passwords = NGX_CONF_UNSET_PTR; - scf->prefer_server_ciphers = NGX_CONF_UNSET; - scf->verify = NGX_CONF_UNSET_UINT; - scf->verify_depth = NGX_CONF_UNSET_UINT; - scf->builtin_session_cache = NGX_CONF_UNSET; - scf->session_timeout = NGX_CONF_UNSET; - scf->session_tickets = NGX_CONF_UNSET; - scf->session_ticket_keys = NGX_CONF_UNSET_PTR; - - return scf; -} - - -static char * -ngx_mail_ssl_merge_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_mail_ssl_conf_t *prev = parent; - ngx_mail_ssl_conf_t *conf = child; - - char *mode; - ngx_pool_cleanup_t *cln; - - ngx_conf_merge_value(conf->enable, prev->enable, 0); - ngx_conf_merge_uint_value(conf->starttls, prev->starttls, - NGX_MAIL_STARTTLS_OFF); - - ngx_conf_merge_value(conf->session_timeout, - prev->session_timeout, 300); - - ngx_conf_merge_value(conf->prefer_server_ciphers, - prev->prefer_server_ciphers, 0); - - ngx_conf_merge_bitmask_value(conf->protocols, prev->protocols, - (NGX_CONF_BITMASK_SET|NGX_SSL_TLSv1 - |NGX_SSL_TLSv1_1|NGX_SSL_TLSv1_2)); - - ngx_conf_merge_uint_value(conf->verify, prev->verify, 0); - ngx_conf_merge_uint_value(conf->verify_depth, prev->verify_depth, 1); - - ngx_conf_merge_ptr_value(conf->certificates, prev->certificates, NULL); - ngx_conf_merge_ptr_value(conf->certificate_keys, prev->certificate_keys, - NULL); - - ngx_conf_merge_ptr_value(conf->passwords, prev->passwords, NULL); - - ngx_conf_merge_str_value(conf->dhparam, prev->dhparam, ""); - - ngx_conf_merge_str_value(conf->ecdh_curve, prev->ecdh_curve, - NGX_DEFAULT_ECDH_CURVE); - - ngx_conf_merge_str_value(conf->client_certificate, - prev->client_certificate, ""); - ngx_conf_merge_str_value(conf->trusted_certificate, - prev->trusted_certificate, ""); - ngx_conf_merge_str_value(conf->crl, prev->crl, ""); - - ngx_conf_merge_str_value(conf->ciphers, prev->ciphers, NGX_DEFAULT_CIPHERS); - - - conf->ssl.log = cf->log; - - if (conf->enable) { - mode = "ssl"; - - } else if (conf->starttls != NGX_MAIL_STARTTLS_OFF) { - mode = "starttls"; - - } else { - mode = ""; - } - - if (conf->file == NULL) { - conf->file = prev->file; - conf->line = prev->line; - } - - if (*mode) { - - if (conf->certificates == NULL) { - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "no \"ssl_certificate\" is defined for " - "the \"%s\" directive in %s:%ui", - mode, conf->file, conf->line); - return NGX_CONF_ERROR; - } - - if (conf->certificate_keys == NULL) { - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "no \"ssl_certificate_key\" is defined for " - "the \"%s\" directive in %s:%ui", - mode, conf->file, conf->line); - return NGX_CONF_ERROR; - } - - if (conf->certificate_keys->nelts < conf->certificates->nelts) { - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "no \"ssl_certificate_key\" is defined " - "for certificate \"%V\" and " - "the \"ssl\" directive in %s:%ui", - ((ngx_str_t *) conf->certificates->elts) - + conf->certificates->nelts - 1, - conf->file, conf->line); - return NGX_CONF_ERROR; - } - - } else { - - if (conf->certificates == NULL) { - return NGX_CONF_OK; - } - - if (conf->certificate_keys == NULL - || conf->certificate_keys->nelts < conf->certificates->nelts) - { - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "no \"ssl_certificate_key\" is defined " - "for certificate \"%V\"", - ((ngx_str_t *) conf->certificates->elts) - + conf->certificates->nelts - 1); - return NGX_CONF_ERROR; - } - } - - if (ngx_ssl_create(&conf->ssl, conf->protocols, NULL) != NGX_OK) { - return NGX_CONF_ERROR; - } - - cln = ngx_pool_cleanup_add(cf->pool, 0); - if (cln == NULL) { - return NGX_CONF_ERROR; - } - - cln->handler = ngx_ssl_cleanup_ctx; - cln->data = &conf->ssl; - - if (ngx_ssl_certificates(cf, &conf->ssl, conf->certificates, - conf->certificate_keys, conf->passwords) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - if (conf->verify) { - - if (conf->client_certificate.len == 0 && conf->verify != 3) { - ngx_log_error(NGX_LOG_EMERG, cf->log, 0, - "no ssl_client_certificate for ssl_client_verify"); - return NGX_CONF_ERROR; - } - - if (ngx_ssl_client_certificate(cf, &conf->ssl, - &conf->client_certificate, - conf->verify_depth) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - if (ngx_ssl_trusted_certificate(cf, &conf->ssl, - &conf->trusted_certificate, - conf->verify_depth) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - if (ngx_ssl_crl(cf, &conf->ssl, &conf->crl) != NGX_OK) { - return NGX_CONF_ERROR; - } - } - - if (ngx_ssl_ciphers(cf, &conf->ssl, &conf->ciphers, - conf->prefer_server_ciphers) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - if (ngx_ssl_dhparam(cf, &conf->ssl, &conf->dhparam) != NGX_OK) { - return NGX_CONF_ERROR; - } - - if (ngx_ssl_ecdh_curve(cf, &conf->ssl, &conf->ecdh_curve) != NGX_OK) { - return NGX_CONF_ERROR; - } - - ngx_conf_merge_value(conf->builtin_session_cache, - prev->builtin_session_cache, NGX_SSL_NONE_SCACHE); - - if (conf->shm_zone == NULL) { - conf->shm_zone = prev->shm_zone; - } - - if (ngx_ssl_session_cache(&conf->ssl, &ngx_mail_ssl_sess_id_ctx, - conf->builtin_session_cache, - conf->shm_zone, conf->session_timeout) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - ngx_conf_merge_value(conf->session_tickets, - prev->session_tickets, 1); - -#ifdef SSL_OP_NO_TICKET - if (!conf->session_tickets) { - SSL_CTX_set_options(conf->ssl.ctx, SSL_OP_NO_TICKET); - } -#endif - - ngx_conf_merge_ptr_value(conf->session_ticket_keys, - prev->session_ticket_keys, NULL); - - if (ngx_ssl_session_ticket_keys(cf, &conf->ssl, conf->session_ticket_keys) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_mail_ssl_enable(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_mail_ssl_conf_t *scf = conf; - - char *rv; - - rv = ngx_conf_set_flag_slot(cf, cmd, conf); - - if (rv != NGX_CONF_OK) { - return rv; - } - - if (scf->enable && (ngx_int_t) scf->starttls > NGX_MAIL_STARTTLS_OFF) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"starttls\" directive conflicts with \"ssl on\""); - return NGX_CONF_ERROR; - } - - scf->file = cf->conf_file->file.name.data; - scf->line = cf->conf_file->line; - - return NGX_CONF_OK; -} - - -static char * -ngx_mail_ssl_starttls(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_mail_ssl_conf_t *scf = conf; - - char *rv; - - rv = ngx_conf_set_enum_slot(cf, cmd, conf); - - if (rv != NGX_CONF_OK) { - return rv; - } - - if (scf->enable == 1 && (ngx_int_t) scf->starttls > NGX_MAIL_STARTTLS_OFF) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "\"ssl\" directive conflicts with \"starttls\""); - return NGX_CONF_ERROR; - } - - scf->file = cf->conf_file->file.name.data; - scf->line = cf->conf_file->line; - - return NGX_CONF_OK; -} - - -static char * -ngx_mail_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_mail_ssl_conf_t *scf = conf; - - ngx_str_t *value; - - if (scf->passwords != NGX_CONF_UNSET_PTR) { - return "is duplicate"; - } - - value = cf->args->elts; - - scf->passwords = ngx_ssl_read_password_file(cf, &value[1]); - - if (scf->passwords == NULL) { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_mail_ssl_session_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_mail_ssl_conf_t *scf = conf; - - size_t len; - ngx_str_t *value, name, size; - ngx_int_t n; - ngx_uint_t i, j; - - value = cf->args->elts; - - for (i = 1; i < cf->args->nelts; i++) { - - if (ngx_strcmp(value[i].data, "off") == 0) { - scf->builtin_session_cache = NGX_SSL_NO_SCACHE; - continue; - } - - if (ngx_strcmp(value[i].data, "none") == 0) { - scf->builtin_session_cache = NGX_SSL_NONE_SCACHE; - continue; - } - - if (ngx_strcmp(value[i].data, "builtin") == 0) { - scf->builtin_session_cache = NGX_SSL_DFLT_BUILTIN_SCACHE; - continue; - } - - if (value[i].len > sizeof("builtin:") - 1 - && ngx_strncmp(value[i].data, "builtin:", sizeof("builtin:") - 1) - == 0) - { - n = ngx_atoi(value[i].data + sizeof("builtin:") - 1, - value[i].len - (sizeof("builtin:") - 1)); - - if (n == NGX_ERROR) { - goto invalid; - } - - scf->builtin_session_cache = n; - - continue; - } - - if (value[i].len > sizeof("shared:") - 1 - && ngx_strncmp(value[i].data, "shared:", sizeof("shared:") - 1) - == 0) - { - len = 0; - - for (j = sizeof("shared:") - 1; j < value[i].len; j++) { - if (value[i].data[j] == ':') { - break; - } - - len++; - } - - if (len == 0) { - goto invalid; - } - - name.len = len; - name.data = value[i].data + sizeof("shared:") - 1; - - size.len = value[i].len - j - 1; - size.data = name.data + len + 1; - - n = ngx_parse_size(&size); - - if (n == NGX_ERROR) { - goto invalid; - } - - if (n < (ngx_int_t) (8 * ngx_pagesize)) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "session cache \"%V\" is too small", - &value[i]); - - return NGX_CONF_ERROR; - } - - scf->shm_zone = ngx_shared_memory_add(cf, &name, n, - &ngx_mail_ssl_module); - if (scf->shm_zone == NULL) { - return NGX_CONF_ERROR; - } - - scf->shm_zone->init = ngx_ssl_session_cache_init; - - continue; - } - - goto invalid; - } - - if (scf->shm_zone && scf->builtin_session_cache == NGX_CONF_UNSET) { - scf->builtin_session_cache = NGX_SSL_NO_BUILTIN_SCACHE; - } - - return NGX_CONF_OK; - -invalid: - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid session cache \"%V\"", &value[i]); - - return NGX_CONF_ERROR; -} |