diff options
Diffstat (limited to 'src/gsup_server.c')
| -rw-r--r-- | src/gsup_server.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/gsup_server.c b/src/gsup_server.c index 07d4feb..4b8a0fa 100644 --- a/src/gsup_server.c +++ b/src/gsup_server.c @@ -24,6 +24,7 @@ #include <osmocom/core/linuxlist.h> #include <osmocom/abis/ipa.h> #include <osmocom/abis/ipaccess.h> +#include <osmocom/gsm/gsm48_ie.h> #include <osmocom/gsm/apn.h> #include "gsup_server.h" @@ -357,3 +358,56 @@ int osmo_gsup_configure_wildcard_apn(struct osmo_gsup_message *gsup, return 0; } + +/** + * Populate a gsup message structure with an Insert Subscriber Data Message. + * All required memory buffers for data pointed to by pointers in struct omso_gsup_message + * must be allocated by the caller and should have the same lifetime as the gsup parameter. + * + * \param[out] gsup The gsup message to populate. + * \param[in] imsi The subscriber's IMSI. + * \param[in] msisdn The subscriber's MSISDN. + * \param[out] msisdn_enc A buffer large enough to store the MSISDN in encoded form. + * \param[in] msisdn_enc_size Size of the buffer (must be >= OSMO_GSUP_MAX_CALLED_PARTY_BCD_LEN). + * \param[out] apn_buf A buffer large enough to store an APN (required if cn_domain is OSMO_GSUP_CN_DOMAIN_PS). + * \param[in] apn_buf_size Size of APN buffer (must be >= APN_MAXLEN). + * \param[in] cn_domain The CN Domain of the subscriber connection. + * \returns 0 on success, and negative on error. + */ +int osmo_gsup_create_insert_subscriber_data_msg(struct osmo_gsup_message *gsup, const char *imsi, const char *msisdn, + uint8_t *msisdn_enc, size_t msisdn_enc_size, + uint8_t *apn_buf, size_t apn_buf_size, + enum osmo_gsup_cn_domain cn_domain) +{ + int len; + + OSMO_ASSERT(gsup); + + gsup->message_type = OSMO_GSUP_MSGT_INSERT_DATA_REQUEST; + osmo_strlcpy(gsup->imsi, imsi, sizeof(gsup->imsi)); + + if (msisdn_enc_size < OSMO_GSUP_MAX_CALLED_PARTY_BCD_LEN) + return -ENOSPC; + + OSMO_ASSERT(msisdn_enc); + len = gsm48_encode_bcd_number(msisdn_enc, msisdn_enc_size, 0, msisdn); + if (len < 1) { + LOGP(DLGSUP, LOGL_ERROR, "%s: Error: cannot encode MSISDN '%s'\n", imsi, msisdn); + return -ENOSPC; + } + gsup->msisdn_enc = msisdn_enc; + gsup->msisdn_enc_len = len; + + #pragma message "FIXME: deal with encoding the following data: gsup.hlr_enc" + + gsup->cn_domain = cn_domain; + if (gsup->cn_domain == OSMO_GSUP_CN_DOMAIN_PS) { + OSMO_ASSERT(apn_buf_size >= APN_MAXLEN); + OSMO_ASSERT(apn_buf); + /* FIXME: PDP infos - use more fine-grained access control + instead of wildcard APN */ + osmo_gsup_configure_wildcard_apn(gsup, apn_buf, apn_buf_size); + } + + return 0; +} |