Wed Oct 28 11:51:03 2009

Asterisk developer's documentation


dundi-parser.h

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00001 /*
00002  * Distributed Universal Number Discovery (DUNDi)
00003  *
00004  * Copyright (C) 2004 - 2005, Digium Inc.
00005  *
00006  * Written by Mark Spencer <markster@digium.com>
00007  *
00008  * This program is Free Software distributed under the terms of
00009  * of the GNU General Public License.
00010  */
00011 
00012 #ifndef _DUNDI_PARSER_H
00013 #define _DUNDI_PARSER_H
00014 
00015 #include "asterisk/dundi.h"
00016 #include "asterisk/aes.h"
00017 
00018 #define DUNDI_MAX_STACK 512
00019 #define DUNDI_MAX_ANSWERS  100
00020 
00021 struct dundi_ies {
00022    dundi_eid *eids[DUNDI_MAX_STACK + 1];
00023    int eid_direct[DUNDI_MAX_STACK + 1];
00024    dundi_eid *reqeid;
00025    int eidcount;
00026    char *called_context;
00027    char *called_number;
00028    struct dundi_answer *answers[DUNDI_MAX_ANSWERS + 1];
00029    struct dundi_hint *hint;
00030    int anscount;
00031    int ttl;
00032    int version;
00033    int expiration;
00034    int unknowncmd;
00035    unsigned char *pubkey;
00036    int cause;
00037    char *q_dept;
00038    char *q_org;
00039    char *q_locality;
00040    char *q_stateprov;
00041    char *q_country;
00042    char *q_email;
00043    char *q_phone;
00044    char *q_ipaddr;
00045    char *causestr;
00046    unsigned char *encsharedkey;
00047    unsigned char *encsig;
00048    unsigned long keycrc32;
00049    struct dundi_encblock *encblock;
00050    int enclen;
00051    int cbypass;
00052 };
00053 
00054 struct dundi_ie_data {
00055    int pos;
00056    unsigned char buf[8192];
00057 };
00058 
00059 /* Choose a different function for output */
00060 extern void dundi_set_output(void (*output)(const char *data));
00061 /* Choose a different function for errors */
00062 extern void dundi_set_error(void (*output)(const char *data));
00063 extern void dundi_showframe(struct dundi_hdr *fhi, int rx, struct sockaddr_in *sin, int datalen);
00064 
00065 extern const char *dundi_ie2str(int ie);
00066 
00067 extern int dundi_ie_append_raw(struct dundi_ie_data *ied, unsigned char ie, void *data, int datalen);
00068 extern int dundi_ie_append_addr(struct dundi_ie_data *ied, unsigned char ie, struct sockaddr_in *sin);
00069 extern int dundi_ie_append_int(struct dundi_ie_data *ied, unsigned char ie, unsigned int value);
00070 extern int dundi_ie_append_short(struct dundi_ie_data *ied, unsigned char ie, unsigned short value);
00071 extern int dundi_ie_append_str(struct dundi_ie_data *ied, unsigned char ie, char *str);
00072 extern int dundi_ie_append_eid(struct dundi_ie_data *ied, unsigned char ie, dundi_eid *eid);
00073 extern int dundi_ie_append_cause(struct dundi_ie_data *ied, unsigned char ie, unsigned char cause, char *desc);
00074 extern int dundi_ie_append_hint(struct dundi_ie_data *ied, unsigned char ie, unsigned short flags, char *data);
00075 extern int dundi_ie_append_answer(struct dundi_ie_data *ied, unsigned char ie, dundi_eid *eid, unsigned char protocol, unsigned short flags, unsigned short weight, char *desc);
00076 extern int dundi_ie_append_encdata(struct dundi_ie_data *ied, unsigned char ie, unsigned char *iv, void *data, int datalen);
00077 extern int dundi_ie_append_byte(struct dundi_ie_data *ied, unsigned char ie, unsigned char dat);
00078 extern int dundi_ie_append(struct dundi_ie_data *ied, unsigned char ie);
00079 extern int dundi_parse_ies(struct dundi_ies *ies, unsigned char *data, int datalen);
00080 extern char *dundi_eid_to_str_short(char *s, int maxlen, dundi_eid *eid);
00081 extern int dundi_str_short_to_eid(dundi_eid *eid, const char *s);
00082 extern int dundi_eid_zero(dundi_eid *eid);
00083 extern char *dundi_flags2str(char *s, int maxlen, int flags);
00084 extern char *dundi_hint2str(char *s, int maxlen, int flags);
00085 #endif

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