diff options
Diffstat (limited to 'app/nginx/src/mail/ngx_mail_smtp_module.c')
| -rw-r--r-- | app/nginx/src/mail/ngx_mail_smtp_module.c | 311 |
1 files changed, 0 insertions, 311 deletions
diff --git a/app/nginx/src/mail/ngx_mail_smtp_module.c b/app/nginx/src/mail/ngx_mail_smtp_module.c deleted file mode 100644 index 3b5a2d8..0000000 --- a/app/nginx/src/mail/ngx_mail_smtp_module.c +++ /dev/null @@ -1,311 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_event.h> -#include <ngx_mail.h> -#include <ngx_mail_smtp_module.h> - - -static void *ngx_mail_smtp_create_srv_conf(ngx_conf_t *cf); -static char *ngx_mail_smtp_merge_srv_conf(ngx_conf_t *cf, void *parent, - void *child); - - -static ngx_conf_bitmask_t ngx_mail_smtp_auth_methods[] = { - { ngx_string("plain"), NGX_MAIL_AUTH_PLAIN_ENABLED }, - { ngx_string("login"), NGX_MAIL_AUTH_LOGIN_ENABLED }, - { ngx_string("cram-md5"), NGX_MAIL_AUTH_CRAM_MD5_ENABLED }, - { ngx_string("external"), NGX_MAIL_AUTH_EXTERNAL_ENABLED }, - { ngx_string("none"), NGX_MAIL_AUTH_NONE_ENABLED }, - { ngx_null_string, 0 } -}; - - -static ngx_str_t ngx_mail_smtp_auth_methods_names[] = { - ngx_string("PLAIN"), - ngx_string("LOGIN"), - ngx_null_string, /* APOP */ - ngx_string("CRAM-MD5"), - ngx_string("EXTERNAL"), - ngx_null_string /* NONE */ -}; - - -static ngx_mail_protocol_t ngx_mail_smtp_protocol = { - ngx_string("smtp"), - { 25, 465, 587, 0 }, - NGX_MAIL_SMTP_PROTOCOL, - - ngx_mail_smtp_init_session, - ngx_mail_smtp_init_protocol, - ngx_mail_smtp_parse_command, - ngx_mail_smtp_auth_state, - - ngx_string("451 4.3.2 Internal server error" CRLF), - ngx_string("421 4.7.1 SSL certificate error" CRLF), - ngx_string("421 4.7.1 No required SSL certificate" CRLF) -}; - - -static ngx_command_t ngx_mail_smtp_commands[] = { - - { ngx_string("smtp_client_buffer"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_size_slot, - NGX_MAIL_SRV_CONF_OFFSET, - offsetof(ngx_mail_smtp_srv_conf_t, client_buffer_size), - NULL }, - - { ngx_string("smtp_greeting_delay"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, - ngx_conf_set_msec_slot, - NGX_MAIL_SRV_CONF_OFFSET, - offsetof(ngx_mail_smtp_srv_conf_t, greeting_delay), - NULL }, - - { ngx_string("smtp_capabilities"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_1MORE, - ngx_mail_capabilities, - NGX_MAIL_SRV_CONF_OFFSET, - offsetof(ngx_mail_smtp_srv_conf_t, capabilities), - NULL }, - - { ngx_string("smtp_auth"), - NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_1MORE, - ngx_conf_set_bitmask_slot, - NGX_MAIL_SRV_CONF_OFFSET, - offsetof(ngx_mail_smtp_srv_conf_t, auth_methods), - &ngx_mail_smtp_auth_methods }, - - ngx_null_command -}; - - -static ngx_mail_module_t ngx_mail_smtp_module_ctx = { - &ngx_mail_smtp_protocol, /* protocol */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - ngx_mail_smtp_create_srv_conf, /* create server configuration */ - ngx_mail_smtp_merge_srv_conf /* merge server configuration */ -}; - - -ngx_module_t ngx_mail_smtp_module = { - NGX_MODULE_V1, - &ngx_mail_smtp_module_ctx, /* module context */ - ngx_mail_smtp_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 void * -ngx_mail_smtp_create_srv_conf(ngx_conf_t *cf) -{ - ngx_mail_smtp_srv_conf_t *sscf; - - sscf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_smtp_srv_conf_t)); - if (sscf == NULL) { - return NULL; - } - - sscf->client_buffer_size = NGX_CONF_UNSET_SIZE; - sscf->greeting_delay = NGX_CONF_UNSET_MSEC; - - if (ngx_array_init(&sscf->capabilities, cf->pool, 4, sizeof(ngx_str_t)) - != NGX_OK) - { - return NULL; - } - - return sscf; -} - - -static char * -ngx_mail_smtp_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_mail_smtp_srv_conf_t *prev = parent; - ngx_mail_smtp_srv_conf_t *conf = child; - - u_char *p, *auth, *last; - size_t size; - ngx_str_t *c; - ngx_uint_t i, m, auth_enabled; - ngx_mail_core_srv_conf_t *cscf; - - ngx_conf_merge_size_value(conf->client_buffer_size, - prev->client_buffer_size, - (size_t) ngx_pagesize); - - ngx_conf_merge_msec_value(conf->greeting_delay, - prev->greeting_delay, 0); - - ngx_conf_merge_bitmask_value(conf->auth_methods, - prev->auth_methods, - (NGX_CONF_BITMASK_SET - |NGX_MAIL_AUTH_PLAIN_ENABLED - |NGX_MAIL_AUTH_LOGIN_ENABLED)); - - - cscf = ngx_mail_conf_get_module_srv_conf(cf, ngx_mail_core_module); - - size = sizeof("220 ESMTP ready" CRLF) - 1 + cscf->server_name.len; - - p = ngx_pnalloc(cf->pool, size); - if (p == NULL) { - return NGX_CONF_ERROR; - } - - conf->greeting.len = size; - conf->greeting.data = p; - - *p++ = '2'; *p++ = '2'; *p++ = '0'; *p++ = ' '; - p = ngx_cpymem(p, cscf->server_name.data, cscf->server_name.len); - ngx_memcpy(p, " ESMTP ready" CRLF, sizeof(" ESMTP ready" CRLF) - 1); - - - size = sizeof("250 " CRLF) - 1 + cscf->server_name.len; - - p = ngx_pnalloc(cf->pool, size); - if (p == NULL) { - return NGX_CONF_ERROR; - } - - conf->server_name.len = size; - conf->server_name.data = p; - - *p++ = '2'; *p++ = '5'; *p++ = '0'; *p++ = ' '; - p = ngx_cpymem(p, cscf->server_name.data, cscf->server_name.len); - *p++ = CR; *p = LF; - - - if (conf->capabilities.nelts == 0) { - conf->capabilities = prev->capabilities; - } - - size = sizeof("250-") - 1 + cscf->server_name.len + sizeof(CRLF) - 1; - - c = conf->capabilities.elts; - for (i = 0; i < conf->capabilities.nelts; i++) { - size += sizeof("250 ") - 1 + c[i].len + sizeof(CRLF) - 1; - } - - auth_enabled = 0; - - for (m = NGX_MAIL_AUTH_PLAIN_ENABLED, i = 0; - m <= NGX_MAIL_AUTH_EXTERNAL_ENABLED; - m <<= 1, i++) - { - if (m & conf->auth_methods) { - size += 1 + ngx_mail_smtp_auth_methods_names[i].len; - auth_enabled = 1; - } - } - - if (auth_enabled) { - size += sizeof("250 AUTH") - 1 + sizeof(CRLF) - 1; - } - - p = ngx_pnalloc(cf->pool, size); - if (p == NULL) { - return NGX_CONF_ERROR; - } - - conf->capability.len = size; - conf->capability.data = p; - - last = p; - - *p++ = '2'; *p++ = '5'; *p++ = '0'; *p++ = '-'; - p = ngx_cpymem(p, cscf->server_name.data, cscf->server_name.len); - *p++ = CR; *p++ = LF; - - for (i = 0; i < conf->capabilities.nelts; i++) { - last = p; - *p++ = '2'; *p++ = '5'; *p++ = '0'; *p++ = '-'; - p = ngx_cpymem(p, c[i].data, c[i].len); - *p++ = CR; *p++ = LF; - } - - auth = p; - - if (auth_enabled) { - last = p; - - *p++ = '2'; *p++ = '5'; *p++ = '0'; *p++ = ' '; - *p++ = 'A'; *p++ = 'U'; *p++ = 'T'; *p++ = 'H'; - - for (m = NGX_MAIL_AUTH_PLAIN_ENABLED, i = 0; - m <= NGX_MAIL_AUTH_EXTERNAL_ENABLED; - m <<= 1, i++) - { - if (m & conf->auth_methods) { - *p++ = ' '; - p = ngx_cpymem(p, ngx_mail_smtp_auth_methods_names[i].data, - ngx_mail_smtp_auth_methods_names[i].len); - } - } - - *p++ = CR; *p = LF; - - } else { - last[3] = ' '; - } - - size += sizeof("250 STARTTLS" CRLF) - 1; - - p = ngx_pnalloc(cf->pool, size); - if (p == NULL) { - return NGX_CONF_ERROR; - } - - conf->starttls_capability.len = size; - conf->starttls_capability.data = p; - - p = ngx_cpymem(p, conf->capability.data, conf->capability.len); - - ngx_memcpy(p, "250 STARTTLS" CRLF, sizeof("250 STARTTLS" CRLF) - 1); - - p = conf->starttls_capability.data - + (last - conf->capability.data) + 3; - *p = '-'; - - size = (auth - conf->capability.data) - + sizeof("250 STARTTLS" CRLF) - 1; - - p = ngx_pnalloc(cf->pool, size); - if (p == NULL) { - return NGX_CONF_ERROR; - } - - conf->starttls_only_capability.len = size; - conf->starttls_only_capability.data = p; - - p = ngx_cpymem(p, conf->capability.data, auth - conf->capability.data); - - ngx_memcpy(p, "250 STARTTLS" CRLF, sizeof("250 STARTTLS" CRLF) - 1); - - if (last < auth) { - p = conf->starttls_only_capability.data - + (last - conf->capability.data) + 3; - *p = '-'; - } - - return NGX_CONF_OK; -} |