1 files changed, 123 insertions, 0 deletions
diff --git a/decoders/mail/mail_imap.h b/decoders/mail/mail_imap.h
new file mode 100644
index 0000000..b90aa06
--- /dev/null
+++ b/decoders/mail/mail_imap.h
@@ -0,0 +1,123 @@
+#pragma once
+
+#include "mail_global.h"
+
+#define MAILIMAP4_MODULE "[MAIL_IMAP4]"
+
+#define RESPONSE_FETCH_MAX_LEN 32 //取得FETCH响应第2个空格最大长度
+
+#define CONT_TYPE_TEXT		1
+#define CONT_TYPE_MESSAGE	2
+#define CONT_TYPE_RFC822	3
+#define CONT_TYPE_OTHER 	4
+
+//解析BODYSTRUCTURE一行时的过程状态
+typedef enum
+{
+	STAT_BLOCK_IDLE=0,
+	STAT_BLOCK_START,
+	STAT_BLOCK_PROC,
+	STAT_BLOCK_END,
+}STAT_BODYSTRUCT_t;
+
+//multipart块所有的字段顺序
+typedef enum
+{
+	MULTI_SUBTYPE=0,
+	MULTI_PARENTHESIS,	//参数组合列表；从该字段往后都是扩展字段
+	MULTI_DISPOSITION,
+	MULTI_LANGUAGE,
+	MULTI_LOCATION,
+	MULTI_NUM,
+}MULTI_FIELD_t;
+
+//非multipart块所有的字段顺序
+typedef enum 
+{
+	NOTMUL_TYPE=0,
+	NOTMUL_SUBTYPE,
+	NOTMUL_PARENTHESIS,
+	NOTMUL_ID,
+	NOTMUL_DESCR, /*5*/
+	NOTMUL_ENCODE,
+	NOTMUL_SIZE,
+	NOTMUL_EVENLOP,		//MESSAGE/RFC822独有，从该字段往后都是扩展字段
+	NOTMUL_BODYSTRUCT,	//MESSAGE/RFC822独有
+	NOTMUL_LINES,		//主类型NOTMUL_TYPE为"TEXT"或类型为MESSAGE/RFC822才有该字段；
+	NOTMUL_MD5,
+	NOTMUL_DISPOSITION, /*10*/
+	NOTMUL_LANGUAGE,
+	NOTMUL_LOCATION,
+	NOTMUL_NUM,
+}NOTMUL_FIELD_t;
+
+#define IMAP_OK_CMD_LEN 30	//IMAP协议FETCH响应结束的长度，如"B00964 OK Fetch completed"
+#define IMAP_LABEL_OK_MAX_LEN 100
+
+//邮件命令编号从20开始
+typedef enum IMAP_CMD_STATE
+{
+	IMAP_CMD_ANS=20,
+	IMAP_CMD_FETCH_ANS, //不需要进行复位的响应
+	IMAP_CMD_DATA_END,
+	IMAP_CMD_MAYBE_END, //遇到")\r\n"的状态
+	IMAP_CMD_NOT_END,	//判断上一次')'结束标记IMAP_CMD_MAYBE_END不是真正的结束
+	IMAP_CMD_DATA_CONTINUE,	//按字节获取邮件的后续块
+	IMAP_CMD_DATA_BORDER,	//来的是一个块的开始，是BODY内容
+	IMAP_CMD_DROP,		//处理一个标号块时发现有附件名，回调业务层之后业务层给DROP
+	IMAP_CMD_UNKNOWN,
+}IMAP_CMD_STATE_t;
+
+//为body/bodystructure解析设置的哈希节点
+typedef struct __mime_item
+{
+	stBufCache mime_header; //用于存储构造MIME头部
+	char charset[MAIL_MAX_CHARSET_LEN];
+	char filename_charset[MAIL_MAX_CHARSET_LEN];
+	char *attach_filename;
+	char *boundary;
+	int filename_len;
+	int bound_len;
+	int trans_enc;	//传输编码
+	int is_multi;  //是否是MULTIPART块
+	int thread_id;
+}mime_item_t;
+
+enum IMAP_COMMAND {
+    IMAP_COMMAND_UNKNOWN,
+    IMAP_COMMAND_CAPABILITY , 
+    IMAP_COMMAND_NOOP , 
+    IMAP_COMMAND_LOGOUT , 
+    IMAP_COMMAND_Client , 
+    IMAP_COMMAND_STARTTLS , 
+    IMAP_COMMAND_AUTHENTICATE , 
+    IMAP_COMMAND_LOGIN , 
+    IMAP_COMMAND_Client , 
+    IMAP_COMMAND_SELECT , 
+    IMAP_COMMAND_EXAMINE , 
+    IMAP_COMMAND_CREATE , 
+    IMAP_COMMAND_DELETE , 
+    IMAP_COMMAND_RENAME , 
+    IMAP_COMMAND_SUBSCRIBE , 
+    IMAP_COMMAND_UNSUBSCRIBE , 
+    IMAP_COMMAND_LIST , 
+    IMAP_COMMAND_LSUB , 
+    IMAP_COMMAND_STATUS , 
+    IMAP_COMMAND_APPEND , 
+    IMAP_COMMAND_Client , 
+    IMAP_COMMAND_CHECK , 
+    IMAP_COMMAND_CLOSE , 
+    IMAP_COMMAND_EXPUNGE , 
+    IMAP_COMMAND_SEARCH , 
+    IMAP_COMMAND_FETCH , 
+    IMAP_COMMAND_STORE , 
+    IMAP_COMMAND_COPY , 
+    IMAP_COMMAND_UID,
+    IMAP_COMMAND_MAX,
+};
+
+int imap_identify(const char *payload, size_t payload_len, int is_c2s);
+int imap_parser_process(struct pop3_parser *parser, struct session *sess, const char *payload, size_t payload_len, int is_c2s);
+
+
+