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-rw-r--r--src/mail/ngx_mail.h313
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_ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-21 12:12:56 +0300