privacy.c File Reference

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Detailed Description

S-CSCF Module - RFC 3323/3325 Privacy Functions.

Copyright (C) 2007 PT Inovacao

Definition in file privacy.c.

#include "../tm/tm_load.h"
#include "mod.h"
#include "sip.h"
#include "privacy.h"

Go to the source code of this file.

Functions
int	apply_privacy_id (struct sip_msg *msg)
	Applies Privacy for P-Asserted-Identity.
void	privacy_reply_cb (struct cell *t, int type, struct tmcb_params *ps)
	Privacy reply tm callback.
int	S_apply_privacy (struct sip_msg *msg, char *str1, char *str2)
	Applies Privacy if needed.
int	S_privacy_hook (struct sip_msg *msg, char *str1, char *str2)
	Registers tm callback to apply privacy to replies.
Variables
tm_binds	tmb
	Structure with pointers to tm funcs.
static str	asserted_identity = {"P-Asserted-Identity",19}
static str	privacy = {"Privacy",7}

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Function Documentation

int apply_privacy_id

(

struct sip_msg *

msg

)

Applies Privacy for P-Asserted-Identity.

Parameters:

msg

- the SIP message

Returns:

CSCF_RETURN_TRUE if privacy applied or CSCF_RETURN_FALSE if not

Definition at line 70 of file privacy.c.

References asserted_identity, cscf_del_header(), cscf_get_next_header(), CSCF_RETURN_FALSE, CSCF_RETURN_TRUE, M_NAME, and NULL.

Referenced by S_apply_privacy().

                                         {
    struct hdr_field *hdr;

    LOG(L_DBG, "DBG:"M_NAME": apply_privacy_id\n");
    hdr = cscf_get_next_header(msg,asserted_identity,NULL);
    if (!hdr) return CSCF_RETURN_FALSE;
    do {
        cscf_del_header(msg,hdr);
        hdr=cscf_get_next_header(msg,asserted_identity,hdr);
    } while (hdr);

    return CSCF_RETURN_TRUE;
}

void privacy_reply_cb	(	struct cell *	t,
		int	type,
		struct tmcb_params *	ps
	)

Privacy reply tm callback.

Applies Privacy if needed. Currently only supports "id" type. Registered by S_privacy_hook.

Definition at line 89 of file privacy.c.

References S_apply_privacy().

Referenced by S_privacy_hook().

                                                                        {
    S_apply_privacy(ps->rpl, 0, 0);
}

int S_apply_privacy	(	struct sip_msg *	msg,
		char *	str1,
		char *	str2
	)

Applies Privacy if needed.

Parameters:

	msg	- the SIP message
	str1	- not used
	str2	- not used

Returns:

CSCF_RETURN_TRUE if privacy applied or CSCF_RETURN_FALSE if not

Definition at line 100 of file privacy.c.

References apply_privacy_id(), cscf_get_headers_content(), CSCF_RETURN_FALSE, M_NAME, and privacy.

Referenced by privacy_reply_cb().

                                                                 {
    char *c;
    int ret = CSCF_RETURN_FALSE;
    
    str privacy_content = cscf_get_headers_content(msg,privacy);

    if (!privacy_content.len){ 
        ret = CSCF_RETURN_FALSE;
        goto done;
    }
    
    LOG(L_DBG, "DBG:"M_NAME":S_apply_privacy\n");
    c = strtok(privacy_content.s," \t\r\n;,");
    while (c){
        if (strlen(c)==2 && strncasecmp(c,"id",2)==0){
            ret = apply_privacy_id(msg);
            break;
        }
        c = strtok(0," \t\r\n;,");
    }
    
done:   
    if (privacy_content.s) pkg_free(privacy_content.s);
    return ret;
}

int S_privacy_hook	(	struct sip_msg *	msg,
		char *	str1,
		char *	str2
	)

Registers tm callback to apply privacy to replies.

Parameters:

	msg	- the SIP message
	str1	- not used
	str2	- not used

Returns:

CSCF_RETURN_TRUE

Definition at line 133 of file privacy.c.

References cscf_get_transaction(), CSCF_RETURN_TRUE, privacy_reply_cb(), and tmb.

                                                                {
    unsigned int a,b;
    
    cscf_get_transaction(msg,&a,&b);
    tmb.register_tmcb(msg,0,TMCB_RESPONSE_IN,privacy_reply_cb,0);
    
    return CSCF_RETURN_TRUE;
}

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Variable Documentation

struct tm_binds tmb

Structure with pointers to tm funcs.

Definition at line 257 of file mod.c.

str asserted_identity = {"P-Asserted-Identity",19} [static]

Definition at line 62 of file privacy.c.

Referenced by apply_privacy_id().

str privacy = {"Privacy",7} [static]

Definition at line 63 of file privacy.c.

Referenced by S_apply_privacy().

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