diff options
Diffstat (limited to 'src/mail/ngx_mail.h')
-rw-r--r-- | src/mail/ngx_mail.h | 313 |
1 files changed, 313 insertions, 0 deletions
diff --git a/src/mail/ngx_mail.h b/src/mail/ngx_mail.h new file mode 100644 index 000000000..478662a04 --- /dev/null +++ b/src/mail/ngx_mail.h @@ -0,0 +1,313 @@ + +/* + * Copyright (C) Igor Sysoev + */ + + +#ifndef _NGX_MAIL_H_INCLUDED_ +#define _NGX_MAIL_H_INCLUDED_ + + +#include <ngx_config.h> +#include <ngx_core.h> +#include <ngx_event.h> +#include <ngx_event_connect.h> + +#if (NGX_MAIL_SSL) +#include <ngx_mail_ssl_module.h> +#endif + + + +typedef struct { + void **main_conf; + void **srv_conf; +} ngx_mail_conf_ctx_t; + + +typedef struct { + in_addr_t addr; + in_port_t port; + int family; + + /* server ctx */ + ngx_mail_conf_ctx_t *ctx; + + unsigned bind:1; +} ngx_mail_listen_t; + + +typedef struct { + in_addr_t addr; + ngx_mail_conf_ctx_t *ctx; + ngx_str_t addr_text; +} ngx_mail_in_addr_t; + + +typedef struct { + ngx_mail_in_addr_t *addrs; /* array of ngx_mail_in_addr_t */ + ngx_uint_t naddrs; +} ngx_mail_in_port_t; + + +typedef struct { + in_port_t port; + ngx_array_t addrs; /* array of ngx_mail_conf_in_addr_t */ +} ngx_mail_conf_in_port_t; + + +typedef struct { + in_addr_t addr; + ngx_mail_conf_ctx_t *ctx; + unsigned bind:1; +} ngx_mail_conf_in_addr_t; + + +typedef struct { + ngx_array_t servers; /* ngx_mail_core_srv_conf_t */ + ngx_array_t listen; /* ngx_mail_listen_t */ +} ngx_mail_core_main_conf_t; + + +#define NGX_MAIL_POP3_PROTOCOL 0 +#define NGX_MAIL_IMAP_PROTOCOL 1 +#define NGX_MAIL_SMTP_PROTOCOL 2 + +typedef struct { + ngx_msec_t timeout; + + size_t imap_client_buffer_size; + + ngx_uint_t protocol; + + ngx_flag_t so_keepalive; + + ngx_str_t pop3_capability; + ngx_str_t pop3_starttls_capability; + ngx_str_t pop3_starttls_only_capability; + ngx_str_t pop3_auth_capability; + + ngx_str_t imap_capability; + ngx_str_t imap_starttls_capability; + ngx_str_t imap_starttls_only_capability; + + ngx_str_t smtp_capability; + + ngx_str_t server_name; + ngx_str_t smtp_server_name; + ngx_str_t smtp_greeting; + + ngx_uint_t pop3_auth_methods; + ngx_uint_t smtp_auth_methods; + + ngx_array_t pop3_capabilities; + ngx_array_t imap_capabilities; + ngx_array_t smtp_capabilities; + + /* server ctx */ + ngx_mail_conf_ctx_t *ctx; +} ngx_mail_core_srv_conf_t; + + +typedef struct { + void *(*create_main_conf)(ngx_conf_t *cf); + char *(*init_main_conf)(ngx_conf_t *cf, void *conf); + + void *(*create_srv_conf)(ngx_conf_t *cf); + char *(*merge_srv_conf)(ngx_conf_t *cf, void *prev, + void *conf); +} ngx_mail_module_t; + + +typedef enum { + ngx_pop3_start = 0, + ngx_pop3_user, + ngx_pop3_passwd, + ngx_pop3_auth_login_username, + ngx_pop3_auth_login_password, + ngx_pop3_auth_plain, + ngx_pop3_auth_cram_md5 +} ngx_po3_state_e; + + +typedef enum { + ngx_imap_start = 0, + ngx_imap_login, + ngx_imap_user, + ngx_imap_passwd +} ngx_imap_state_e; + + +typedef enum { + ngx_smtp_start = 0, + ngx_smtp_auth_login_username, + ngx_smtp_auth_login_password, + ngx_smtp_auth_plain, + ngx_smtp_auth_cram_md5, + ngx_smtp_helo, + ngx_smtp_noxclient, + ngx_smtp_xclient +} ngx_smtp_state_e; + + +typedef struct { + ngx_peer_connection_t upstream; + ngx_buf_t *buffer; +} ngx_mail_proxy_ctx_t; + + +typedef struct { + uint32_t signature; /* "MAIL" */ + + ngx_connection_t *connection; + + ngx_str_t out; + ngx_buf_t *buffer; + + void **ctx; + void **main_conf; + void **srv_conf; + + ngx_mail_proxy_ctx_t *proxy; + + ngx_uint_t mail_state; + + unsigned blocked:1; + unsigned quit:1; + unsigned protocol:2; + unsigned quoted:1; + unsigned backslash:1; + unsigned no_sync_literal:1; + unsigned starttls:1; + unsigned esmtp:1; + unsigned auth_method:2; + unsigned auth_wait:1; + + ngx_str_t login; + ngx_str_t passwd; + + ngx_str_t salt; + ngx_str_t tag; + ngx_str_t tagged_line; + + ngx_str_t *addr_text; + ngx_str_t smtp_helo; + + ngx_uint_t command; + ngx_array_t args; + + ngx_uint_t login_attempt; + + /* used to parse IMAP/POP3/SMTP command */ + + ngx_uint_t state; + u_char *cmd_start; + u_char *arg_start; + u_char *arg_end; + ngx_uint_t literal_len; +} ngx_mail_session_t; + + +typedef struct { + ngx_str_t *client; + ngx_mail_session_t *session; +} ngx_mail_log_ctx_t; + + +#define NGX_POP3_USER 1 +#define NGX_POP3_PASS 2 +#define NGX_POP3_CAPA 3 +#define NGX_POP3_QUIT 4 +#define NGX_POP3_NOOP 5 +#define NGX_POP3_STLS 6 +#define NGX_POP3_APOP 7 +#define NGX_POP3_AUTH 8 +#define NGX_POP3_STAT 9 +#define NGX_POP3_LIST 10 +#define NGX_POP3_RETR 11 +#define NGX_POP3_DELE 12 +#define NGX_POP3_RSET 13 +#define NGX_POP3_TOP 14 +#define NGX_POP3_UIDL 15 + + +#define NGX_IMAP_LOGIN 1 +#define NGX_IMAP_LOGOUT 2 +#define NGX_IMAP_CAPABILITY 3 +#define NGX_IMAP_NOOP 4 +#define NGX_IMAP_STARTTLS 5 + +#define NGX_IMAP_NEXT 6 + + +#define NGX_SMTP_HELO 1 +#define NGX_SMTP_EHLO 2 +#define NGX_SMTP_AUTH 3 +#define NGX_SMTP_QUIT 4 +#define NGX_SMTP_NOOP 5 +#define NGX_SMTP_MAIL 6 +#define NGX_SMTP_RSET 7 + + +#define NGX_MAIL_AUTH_PLAIN 0 +#define NGX_MAIL_AUTH_LOGIN 1 +#define NGX_MAIL_AUTH_APOP 2 +#define NGX_MAIL_AUTH_CRAM_MD5 3 + + +#define NGX_MAIL_AUTH_PLAIN_ENABLED 0x0002 +#define NGX_MAIL_AUTH_LOGIN_ENABLED 0x0004 +#define NGX_MAIL_AUTH_APOP_ENABLED 0x0008 +#define NGX_MAIL_AUTH_CRAM_MD5_ENABLED 0x0010 + + +#define NGX_MAIL_PARSE_INVALID_COMMAND 20 + + +#define NGX_MAIL_MODULE 0x4C49414D /* "MAIL" */ + +#define NGX_MAIL_MAIN_CONF 0x02000000 +#define NGX_MAIL_SRV_CONF 0x04000000 + + +#define NGX_MAIL_MAIN_CONF_OFFSET offsetof(ngx_mail_conf_ctx_t, main_conf) +#define NGX_MAIL_SRV_CONF_OFFSET offsetof(ngx_mail_conf_ctx_t, srv_conf) + + +#define ngx_mail_get_module_ctx(s, module) (s)->ctx[module.ctx_index] +#define ngx_mail_set_ctx(s, c, module) s->ctx[module.ctx_index] = c; +#define ngx_mail_delete_ctx(s, module) s->ctx[module.ctx_index] = NULL; + + +#define ngx_mail_get_module_main_conf(s, module) \ + (s)->main_conf[module.ctx_index] +#define ngx_mail_get_module_srv_conf(s, module) (s)->srv_conf[module.ctx_index] + +#define ngx_mail_conf_get_module_main_conf(cf, module) \ + ((ngx_mail_conf_ctx_t *) cf->ctx)->main_conf[module.ctx_index] + + +void ngx_mail_init_connection(ngx_connection_t *c); +void ngx_mail_send(ngx_event_t *wev); +void ngx_pop3_auth_state(ngx_event_t *rev); +void ngx_imap_auth_state(ngx_event_t *rev); +void ngx_smtp_auth_state(ngx_event_t *rev); +void ngx_mail_close_connection(ngx_connection_t *c); +void ngx_mail_session_internal_server_error(ngx_mail_session_t *s); + +ngx_int_t ngx_pop3_parse_command(ngx_mail_session_t *s); +ngx_int_t ngx_imap_parse_command(ngx_mail_session_t *s); +ngx_int_t ngx_smtp_parse_command(ngx_mail_session_t *s); + + +/* STUB */ +void ngx_mail_proxy_init(ngx_mail_session_t *s, ngx_peer_addr_t *peer); +void ngx_mail_auth_http_init(ngx_mail_session_t *s); +/**/ + + +extern ngx_uint_t ngx_mail_max_module; +extern ngx_module_t ngx_mail_core_module; + + +#endif /* _NGX_MAIL_H_INCLUDED_ */ |