diff options
Diffstat (limited to 'src/gsm/gsm48.c')
| -rw-r--r-- | src/gsm/gsm48.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/gsm/gsm48.c b/src/gsm/gsm48.c index a45d67bc..c2c19cfe 100644 --- a/src/gsm/gsm48.c +++ b/src/gsm/gsm48.c @@ -36,6 +36,7 @@ #include <osmocom/core/byteswap.h> #include <osmocom/core/bit16gen.h> #include <osmocom/core/bit32gen.h> +#include <osmocom/core/talloc.h> #include <osmocom/gsm/tlv.h> #include <osmocom/gsm/gsm48.h> #include <osmocom/gsm/gsm0502.h> @@ -206,6 +207,19 @@ const char *osmo_rai_name(const struct gprs_ra_id *rai) return osmo_rai_name_buf(buf, sizeof(buf), rai); } +/*! Return MCC-MNC-LAC-RAC as string, in dynamically-allocated output buffer. + * \param[in] ctx talloc context from which to allocate output buffer + * \param[in] rai RAI to encode. + * \returns string representation in dynamically-allocated output buffer. + */ +char *osmo_rai_name_c(const void *ctx, const struct gprs_ra_id *rai) +{ + char *buf = talloc_size(ctx, 32); + if (!buf) + return NULL; + return osmo_rai_name_buf(buf, 32, rai); +} + /* FIXME: convert to value_string */ static const char *cc_state_names[32] = { "NULL", @@ -492,6 +506,22 @@ const char *osmo_mi_name(const uint8_t *mi, uint8_t mi_len) return osmo_mi_name_buf(mi_name, sizeof(mi_name), mi, mi_len); } +/*! Return a human readable representation of a Mobile Identity in dynamically-allocated buffer. + * \param[in] ctx talloc context from which to allocate output buffer + * \param[in] mi Mobile Identity buffer containing 3GPP TS 04.08 style MI type and data. + * \param[in] mi_len Length of mi. + * \return A string like "IMSI-1234567", "TMSI-0x1234ABCD" or "unknown", "TMSI-invalid" in a + * dynamically-allocated output buffer. + */ +char *osmo_mi_name_c(const void *ctx, const uint8_t *mi, uint8_t mi_len) +{ + size_t buf_len = 10 + GSM48_MI_SIZE + 1; + char *mi_name = talloc_size(ctx, buf_len); + if (!mi_name) + return NULL; + return osmo_mi_name_buf(mi_name, buf_len, mi, mi_len); +} + /*! Checks is particular message is cipherable in A/Gb mode according to * 3GPP TS 24.008 ยง 4.7.1.2 * \param[in] hdr Message header @@ -1124,6 +1154,22 @@ const char *gsm48_pdisc_msgtype_name(uint8_t pdisc, uint8_t msg_type) return gsm48_pdisc_msgtype_name_buf(namebuf, sizeof(namebuf), pdisc, msg_type); } +/*! Compose a string naming the message type for given protocol, in a dynamically-allocated buffer. + * If the message type string is known, return the message type name, otherwise + * return "<protocol discriminator name>:<message type in hex>". + * \param[in] ctx talloc context from which to allocate output buffer + * \param[in] pdisc protocol discriminator like GSM48_PDISC_MM + * \param[in] msg_type message type like GSM48_MT_MM_LOC_UPD_REQUEST + * \returns string representation in dynamically allocated output buffer. + */ +char *gsm48_pdisc_msgtype_name_c(const void *ctx, uint8_t pdisc, uint8_t msg_type) +{ + char *namebuf = talloc_size(ctx, 64); + if (!namebuf) + return NULL; + return gsm48_pdisc_msgtype_name_buf(namebuf, 64, pdisc, msg_type); +} + const struct value_string gsm48_reject_value_names[] = { { GSM48_REJECT_IMSI_UNKNOWN_IN_HLR, "IMSI_UNKNOWN_IN_HLR" }, { GSM48_REJECT_ILLEGAL_MS, "ILLEGAL_MS" }, @@ -1261,6 +1307,19 @@ const char *osmo_gsm48_classmark_a5_name(const struct osmo_gsm48_classmark *cm) return osmo_gsm48_classmark_a5_name_buf(buf, sizeof(buf), cm); } +/*! Return a string representation of A5 cipher algorithms indicated by Classmark 1, 2 and 3. + * \param[in] ctx talloc context from which to allocate output buffer + * \param[in] cm Classmarks. + * \returns string like "cm1{a5/1=supported} cm2{0x23= A5/2 A5/3} no-cm3" in dynamically-allocated + * output buffer. + */ +char *osmo_gsm48_classmark_a5_name_c(const void *ctx, const struct osmo_gsm48_classmark *cm) +{ + char *buf = talloc_size(ctx, 128); + if (!buf) + return NULL; + return osmo_gsm48_classmark_a5_name_buf(buf, 128, cm); +} /*! Overwrite dst with the Classmark information present in src. * Add an new Classmark and overwrite in dst what src has to offer, but where src has no Classmark information, leave |