session.c File Reference

#include <assert.h>
#include "common.h"
#include <pthread.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/bio.h>
#include <string.h>
#include "transforms.h"
#include "session.h"
#include "state.h"
#include "prf.h"
#include "encr.h"
#include "integ.h"
#include "auth.h"
#include "enums.h"

Functions
static char *	base64_encode (const uint8_t *msg, int msglen, int *olen)
	Encode byte string into base64 form.
IKEv2Session *	NewSession (struct ikev2_ctx *i2, uint64_t iSPI, uint64_t rSPI, int Type)
	Begin new IKEv2 session.
IKEv2Session *	FindISession (struct ikev2_ctx *i2, uint64_t iSPI)
	Search a session with a given initiator SPI.
IKEv2Session *	FindRSession (struct ikev2_ctx *i2, uint64_t rSPI)
	Search a session with a given responder SPI.
IKEv2Session *	FindSessionByFastid (struct ikev2_ctx *i2, const char *fastid)
	Find session with given fastID which is ready to fast reconnect.
IKEv2Session *	FindSession (struct ikev2_ctx *i2, uint64_t SPI)
	Search a session with a given SPI.
void	FreeSession (struct IKEv2Session *s)
	Release all resources of IKEv2 session.
void	FreeSessionList (struct IKEv2Session *s)
	Free whole session list.
int	FreeSessionIfExpired (struct ikev2_ctx *i2, uint32_t currentTime)
	Free any session from list if last activity time was greater than ikev2_ctx.fastExpire.
void	DeleteSession (struct ikev2_ctx *i2, struct IKEv2Session *s)
	Delete a session entry.
void	ComputeSessionKeys (struct IKEv2Session *s)
	Compute all needed session keys.
void	ComputeNewKeys (struct IKEv2Session *s, int dhex)
	Compute all needed session keys in case of rekeying.
ikev2_ctx *	Create_ikev2_ctx ()
	Create an empty IKEv2 context structure with initialized mutex variable.
void	Free_ikev2_ctx (struct ikev2_ctx *i2)
	Free IKEv2 context data.
void	DumpIKEv2SessionKeys (const struct IKEv2Session *s)

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Function Documentation

static char * base64_encode (  const uint8_t *  msg, int  msglen, int *  olen )  [static]

Encode byte string into base64 form. Parameters: *msg  input message msglen  input message length *olen  output message length Returns: Ptr to result message. User is responsible to free that memory.

void ComputeNewKeys (  struct IKEv2Session *  s, int  dhex )

Compute all needed session keys in case of rekeying. Parameters: *s  IKEv2 session data dhex  is there a new dh exchange?

void ComputeSessionKeys (  struct IKEv2Session *  s  )

Compute all needed session keys. Parameters: *s  IKEv2 session data

struct ikev2_ctx* Create_ikev2_ctx (  void   )

Create an empty IKEv2 context structure with initialized mutex variable. Returns: ptr to created IKEv2 context structure

void DeleteSession (  struct ikev2_ctx *  i2, struct IKEv2Session *  s )

Delete a session entry. Parameters: *i2  IKEv2 context data *s  session to delete

void DumpIKEv2SessionKeys (  const struct IKEv2Session *  s  )

struct IKEv2Session* FindISession (  struct ikev2_ctx *  i2, uint64_t  iSPI )

Search a session with a given initiator SPI. Parameters: *i2  IKEv2 context data iSPI  initiator SPI Returns: founded IKEv2 session or NULL if not found

struct IKEv2Session* FindRSession (  struct ikev2_ctx *  i2, uint64_t  rSPI )

Search a session with a given responder SPI. Parameters: *i2  IKEv2 context data rSPI  responder SPI Returns: founded IKEv2 session or NULL if not found

struct IKEv2Session* FindSession (  struct ikev2_ctx *  i2, uint64_t  SPI )

Search a session with a given SPI. Parameters: *i2  IKEv2 context data SPI  SPI Returns: founded IKEv2 session or NULL if not found

struct IKEv2Session* FindSessionByFastid (  struct ikev2_ctx *  i2, const char *  fastid )

Find session with given fastID which is ready to fast reconnect. Parameters: *i2  IKEv2 context data fastid  fastID string received from respondent Returns: founded IKEv2 session or NULL if not found

void Free_ikev2_ctx (  struct ikev2_ctx *  i2  )

Free IKEv2 context data. Parameters: *i2  IKEv2 context data

void FreeSession (  struct IKEv2Session *  s  )

Release all resources of IKEv2 session. Parameters: *s  session to free

int FreeSessionIfExpired (  struct ikev2_ctx *  i2, uint32_t  currentTime )

Free any session from list if last activity time was greater than ikev2_ctx.fastExpire. Parameters: *i2  IKEv2 context data currentTime  current timestamp (i.e. time() result) Returns: number of deleted sessions

void FreeSessionList (  struct IKEv2Session *  s  )

Free whole session list. Parameters: *s  head of the session list

struct IKEv2Session* NewSession (  struct ikev2_ctx *  i2, uint64_t  iSPI, uint64_t  rSPI, int  Type )

Begin new IKEv2 session. Parameters: *i2  IKEv2 context data iSPI  initiator SPI rSPI  responder SPI Type  session type - initiator or responder Returns: new IKEv2 session struct

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