FreeCalypso > hg > freecalypso-sw
view gsm-fw/g23m-gsm/sim/sim_gprs.c @ 701:615fb8847d3f
top level README: typo fix
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Thu, 02 Oct 2014 18:48:12 +0000 |
parents | 2f7df7a314f8 |
children |
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/* +----------------------------------------------------------------------------- | Project : GSM-F&D (8411) | Modul : SIM_GPRS +----------------------------------------------------------------------------- | Copyright 2002 Texas Instruments Berlin, AG | All rights reserved. | | This file is confidential and a trade secret of Texas | Instruments Berlin, AG | The receipt of or possession of this file does not convey | any rights to reproduce or disclose its contents or to | manufacture, use, or sell anything it may describe, in | whole, or in part, without the specific written consent of | Texas Instruments Berlin, AG. +----------------------------------------------------------------------------- | Purpose : This modul defines the GPRS Upgrade. +----------------------------------------------------------------------------- */ #ifndef SIM_GPRS_C #define SIM_GPRS_C #define ENTITY_SIM /*==== INCLUDES ===================================================*/ #include <string.h> #include "typedefs.h" #include "pcm.h" #include "pconst.cdg" #include "message.h" #include "ccdapi.h" #include "vsi.h" #include "custom.h" #include "gsm.h" #include "cnf_sim.h" #include "mon_sim.h" #include "prim.h" #include "pei.h" #include "tok.h" #include "sim.h" /*==== EXPORT =====================================================*/ /*==== PRIVAT =====================================================*/ /*==== TYPES ======================================================*/ /*==== CONSTANTS ==================================================*/ /*==== VARIABLES ==================================================*/ /*==== FUNCTIONS ==================================================*/ /* +--------------------------------------------------------------------+ | PROJECT : GSM-PS (8419) MODULE : SIM_GPRS | | STATE : code ROUTINE : gprs_check_pcm_data | +--------------------------------------------------------------------+ PURPOSE : Checks the validation of GPRS data stored in PCM. */ GLOBAL BOOL gprs_check_pcm_data (T_imsi_field *sim_imsi) { EF_IMSIGPRS imsi; UBYTE version; return pcm_ReadFile((UBYTE *)EF_IMSIGPRS_ID, SIZE_EF_IMSIGPRS, (UBYTE *)&imsi, &version) EQ PCM_OK AND (sim_imsi->c_field EQ imsi.len) AND !memcmp(imsi.IMSI, sim_imsi->field, sim_imsi->c_field); } /* +--------------------------------------------------------------------+ | PROJECT : GSM-PS (8419) MODULE : SIM_GPRS | | STATE : code ROUTINE : gprs_gmm_insert_ind | +--------------------------------------------------------------------+ PURPOSE : Collects the initial data for GMM. */ GLOBAL void gprs_gmm_insert_ind (T_SIM_MM_INSERT_IND * sim_mm_insert_ind) { UBYTE kc_n[MAX_KC_N]; int i; /* * Read Parameters for GPRS mobility management */ PALLOC (sim_gmm_insert_ind, SIM_GMM_INSERT_IND); TRACE_FUNCTION ("gprs_sim_gmm_insert_ind()"); /* * administrative data */ sim_gmm_insert_ind->op_mode = sim_mm_insert_ind->ad[0]; /* * IMSI */ memcpy (&sim_gmm_insert_ind->imsi_field, &sim_mm_insert_ind->imsi_field, sizeof (T_imsi_field)); /* * Location Information */ memcpy (&sim_gmm_insert_ind->loc_info, &sim_mm_insert_ind->loc_info, sizeof (T_loc_info)); /* * access control classes */ memcpy (&sim_gmm_insert_ind->acc_ctrl, &sim_mm_insert_ind->acc_ctrl, sizeof (T_acc_ctrl)); /* * phase */ sim_gmm_insert_ind->phase = sim_data.sim_phase; if (SIM_IS_FLAG_SET (SERVICE_38_SUPPORT)) { /* * SIM card supports GPRS * * Read GPRS Location Information */ TRACE_EVENT ("SIM supports GPRS"); if (FKT_Select (SIM_LOCGPRS, FALSE, NULL, NULL, 0) EQ SIM_NO_ERROR) { sim_gmm_insert_ind->gprs_loc_info.c_loc = MAX_LOCIGPRS; if (FKT_ReadBinary ((UBYTE *)&sim_gmm_insert_ind->gprs_loc_info.loc, 0, MAX_LOCIGPRS) NEQ SIM_NO_ERROR) { PFREE (sim_gmm_insert_ind); return; } } /* * Read GPRS KC */ if (FKT_Select (SIM_KCGPRS, FALSE, NULL, NULL, 0) EQ SIM_NO_ERROR) { if (FKT_ReadBinary ((UBYTE *)kc_n, 0, MAX_KC_N) NEQ SIM_NO_ERROR) { PFREE (sim_gmm_insert_ind); return; } else { sim_gmm_insert_ind->kc_n.c_kc = MAX_KC_N; /* * Store KC in opposite order */ for (i = 0; i < MAX_KC; i++) sim_gmm_insert_ind->kc_n.kc[(MAX_KC-1)-i] = kc_n[i]; /* * Store cipher key sequence number */ sim_gmm_insert_ind->kc_n.kc[MAX_KC] = kc_n[MAX_KC]; } } } else { /* * Use PCM instead */ TRACE_EVENT ("SIM does not support GPRS"); /* * Only use ME data, when it is marked with IMSI * Note : No storage of the changed IMSI here! */ if (gprs_check_pcm_data (&sim_mm_insert_ind->imsi_field)) { UBYTE version; /* * then read the fields */ pcm_ReadFile((UBYTE *) EF_LOCGPRS_ID,SIZE_EF_LOCGPRS, (UBYTE *) &sim_gmm_insert_ind->gprs_loc_info.loc, &version); sim_gmm_insert_ind->gprs_loc_info.c_loc = MAX_LOCIGPRS; pcm_ReadFile((UBYTE *) EF_KCGPRS_ID,SIZE_EF_KCGPRS, (UBYTE *) &sim_gmm_insert_ind->kc_n, &version); } else { /* * reading of IMSI failed, set values to defaults */ memset (&sim_gmm_insert_ind->gprs_loc_info.loc, 0xFF, MAX_LOCIGPRS); sim_gmm_insert_ind->gprs_loc_info.loc[11] = 0xFE; sim_gmm_insert_ind->gprs_loc_info.c_loc = 0; memset (&sim_gmm_insert_ind->kc_n, 0xFF, 9); } } /* * send information to GPRS mobility management */ PSENDX (GMM, sim_gmm_insert_ind); } /* +--------------------------------------------------------------------+ | PROJECT : GSM-PS (6302) MODULE : SIM_GPRS | | STATE : code ROUTINE : gprs_gmm_update_req | +--------------------------------------------------------------------+ PURPOSE : Process of the primitive SIM_GMM_UPDATE_REQ. */ GLOBAL void gprs_sim_gmm_update_req (T_SIM_GMM_UPDATE_REQ * sim_gmm_update_req) { int i; T_kc_n kc_n; TRACE_FUNCTION ("gprs_sim_gmm_update_req()"); /* * prepare kc and cksn for storing */ kc_n.c_kc = MAX_KC_N; kc_n.kc[MAX_KC] = sim_gmm_update_req->cksn; for (i = 0; i < MAX_KC; i++) kc_n.kc[(MAX_KC-1)-i] = sim_gmm_update_req->kc[i]; /* * SIM with GPRS service activated? */ if (SIM_IS_FLAG_SET (SERVICE_38_SUPPORT)) { /* * check location information */ if (sim_gmm_update_req->gprs_loc_info.c_loc > 0) { if (FKT_Select (SIM_LOCGPRS, FALSE, NULL, NULL, 0) EQ SIM_NO_ERROR) FKT_UpdateBinary (sim_gmm_update_req->gprs_loc_info.loc, MAX_LOCIGPRS, 0); } /* * store kc and cksn */ if (FKT_Select (SIM_KCGPRS, FALSE, NULL, NULL, 0) EQ SIM_NO_ERROR) { FKT_UpdateBinary (kc_n.kc, kc_n.c_kc, 0); } } else { /* * SIM with no GPRS service: store in ME memory */ T_imsi_field sim_imsi; if (FKT_Select (SIM_IMSI, FALSE, NULL, NULL, 0) EQ SIM_NO_ERROR AND FKT_ReadBinary ((UBYTE *)&sim_imsi, 0, MAX_IMSI) EQ SIM_NO_ERROR) { /* * Compare IMSI on SIM with IMSI in ME memory */ if (!gprs_check_pcm_data (&sim_imsi)) { /* * Check GPRS attach status of current IMSI (from SIM) */ if (sim_gmm_update_req->att_status) /* * Update IMSI in ME memory, when attached */ pcm_WriteFile((UBYTE *)EF_IMSIGPRS_ID, SIZE_EF_IMSIGPRS, (UBYTE *)&sim_imsi); else { /* * do not update GPRS data */ PFREE (sim_gmm_update_req); return; } } /* * Update GPRS data in ME memory */ if (sim_gmm_update_req->gprs_loc_info.c_loc > 0) { pcm_WriteFile((UBYTE *)EF_LOCGPRS_ID,SIZE_EF_LOCGPRS, (UBYTE *)&sim_gmm_update_req->gprs_loc_info.loc); } pcm_WriteFile((UBYTE *)EF_KCGPRS_ID,SIZE_EF_KCGPRS, (UBYTE *)kc_n.kc); } } PFREE (sim_gmm_update_req); } #endif