diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gb/gprs_ns.c | 8 | ||||
| -rw-r--r-- | src/gb/libosmogb.map | 1 | ||||
| -rw-r--r-- | src/gsm/abis_nm.c | 9 | ||||
| -rw-r--r-- | src/gsm/apn.c | 16 | ||||
| -rw-r--r-- | src/gsm/gsm0808_utils.c | 40 | ||||
| -rw-r--r-- | src/gsm/gsm23003.c | 78 | ||||
| -rw-r--r-- | src/gsm/gsm48.c | 59 | ||||
| -rw-r--r-- | src/gsm/gsm_utils.c | 7 | ||||
| -rw-r--r-- | src/gsm/libosmogsm.map | 20 | ||||
| -rw-r--r-- | src/gsm/rsl.c | 13 | ||||
| -rw-r--r-- | src/msgb.c | 57 | ||||
| -rw-r--r-- | src/sim/core.c | 8 | ||||
| -rw-r--r-- | src/socket.c | 14 | ||||
| -rw-r--r-- | src/utils.c | 100 |
14 files changed, 419 insertions, 11 deletions
diff --git a/src/gb/gprs_ns.c b/src/gb/gprs_ns.c index fc120cec..d72003ed 100644 --- a/src/gb/gprs_ns.c +++ b/src/gb/gprs_ns.c @@ -1552,6 +1552,14 @@ const char *gprs_ns_ll_str(const struct gprs_nsvc *nsvc) return gprs_ns_ll_str_buf(buf, sizeof(buf), nsvc); } +char *gprs_ns_ll_str_c(const void *ctx, const struct gprs_nsvc *nsvc) +{ + char *buf = talloc_size(ctx, INET6_ADDRSTRLEN+10); + if (!buf) + return buf; + return gprs_ns_ll_str_buf(buf, INET6_ADDRSTRLEN+10, nsvc); +} + void gprs_ns_ll_copy(struct gprs_nsvc *nsvc, struct gprs_nsvc *other) { nsvc->ll = other->ll; diff --git a/src/gb/libosmogb.map b/src/gb/libosmogb.map index 21929da1..5e675a66 100644 --- a/src/gb/libosmogb.map +++ b/src/gb/libosmogb.map @@ -65,6 +65,7 @@ gprs_ns_tx_unblock; gprs_ns_vty_init; gprs_ns_ll_str; gprs_ns_ll_str_buf; +gprs_ns_ll_str_c; gprs_ns_ll_copy; gprs_ns_ll_clear; gprs_ns_msgb_alloc; diff --git a/src/gsm/abis_nm.c b/src/gsm/abis_nm.c index e25fdd03..a4c0e41f 100644 --- a/src/gsm/abis_nm.c +++ b/src/gsm/abis_nm.c @@ -943,6 +943,15 @@ const char *abis_nm_dump_foh(const struct abis_om_fom_hdr *foh) return abis_nm_dump_foh_buf(foh_buf, sizeof(foh_buf), foh); } +char *abis_nm_dump_foh_c(void *ctx, const struct abis_om_fom_hdr *foh) +{ + size_t len = 15 /* format */ + 22 /* obj_class_name */+ 4*3 /* uint8 */ + 1 /*nul*/; + char *buf = talloc_size(ctx, len); + if (!buf) + return NULL; + return abis_nm_dump_foh_buf(buf, len, foh); +} + /* this is just for compatibility reasons, it is now a macro */ #undef abis_nm_debugp_foh OSMO_DEPRECATED("Use abis_nm_debugp_foh macro instead") diff --git a/src/gsm/apn.c b/src/gsm/apn.c index 4ab370c5..88b45a4b 100644 --- a/src/gsm/apn.c +++ b/src/gsm/apn.c @@ -24,6 +24,7 @@ #include <stdint.h> #include <stdlib.h> #include <string.h> +#include <talloc.h> #include <osmocom/gsm/apn.h> @@ -45,6 +46,13 @@ char *osmo_apn_qualify(unsigned int mcc, unsigned int mnc, const char *ni) return osmo_apn_qualify_buf(apn_strbuf, sizeof(apn_strbuf), mcc, mnc, ni); } +char *osmo_apn_qualify_c(const void *ctx, unsigned int mcc, unsigned int mnc, const char *ni) +{ + char *buf = talloc_size(ctx, APN_MAXLEN); + if (!buf) + return NULL; + return osmo_apn_qualify_buf(buf, APN_MAXLEN, mcc, mnc, ni); +} char *osmo_apn_qualify_from_imsi_buf(char *buf, size_t buf_len, const char *imsi, const char *ni, int have_3dig_mnc) @@ -70,6 +78,14 @@ char *osmo_apn_qualify_from_imsi(const char *imsi, return osmo_apn_qualify_from_imsi_buf(apn_strbuf, sizeof(apn_strbuf), imsi, ni, have_3dig_mnc); } +char *osmo_apn_qualify_from_imsi_c(const void *ctx, const char *imsi, const char *ni, int have_3dig_mnc) +{ + char *buf = talloc_size(ctx, APN_MAXLEN); + if (!buf) + return NULL; + return osmo_apn_qualify_from_imsi_buf(buf, APN_MAXLEN, imsi, ni, have_3dig_mnc); +} + /** * Convert an encoded APN into a dot-separated string. * diff --git a/src/gsm/gsm0808_utils.c b/src/gsm/gsm0808_utils.c index 52e46743..99cf1881 100644 --- a/src/gsm/gsm0808_utils.c +++ b/src/gsm/gsm0808_utils.c @@ -622,6 +622,14 @@ char *osmo_lcls_dump(const struct osmo_lcls *lcls) return osmo_lcls_dump_buf(dbuf, sizeof(dbuf), lcls); } +char *osmo_lcls_dump_c(void *ctx, const struct osmo_lcls *lcls) +{ + char *buf = talloc_size(ctx, 256); + if (!buf) + return NULL; + return osmo_lcls_dump_buf(buf, 256, lcls); +} + /*! Dump GCR struct into string for printing. * \param[out] buf caller-allocated output string buffer * \param[in] buf_len size of buf in bytes @@ -1775,8 +1783,7 @@ const struct value_string gsm0808_cell_id_discr_names[] = { #define APPEND_STR(fmt, args...) APPEND_THING(snprintf, fmt, ##args) #define APPEND_CELL_ID_U(DISCR, U) APPEND_THING(gsm0808_cell_id_u_name, DISCR, U) -static const char *gsm0808_cell_id_name_buf(const struct gsm0808_cell_id *cid, - char *buf, size_t buflen) +char *gsm0808_cell_id_name_buf(char *buf, size_t buflen, const struct gsm0808_cell_id *cid) { char *pos = buf; int total_len = 0; @@ -1793,7 +1800,7 @@ static const char *gsm0808_cell_id_name_buf(const struct gsm0808_cell_id *cid, const char *gsm0808_cell_id_name(const struct gsm0808_cell_id *cid) { static char buf[64]; - return gsm0808_cell_id_name_buf(cid, buf, sizeof(buf)); + return gsm0808_cell_id_name_buf(buf, sizeof(buf), cid); } /*! Like gsm0808_cell_id_name() but uses a different static buffer. @@ -1803,7 +1810,15 @@ const char *gsm0808_cell_id_name(const struct gsm0808_cell_id *cid) const char *gsm0808_cell_id_name2(const struct gsm0808_cell_id *cid) { static char buf[64]; - return gsm0808_cell_id_name_buf(cid, buf, sizeof(buf)); + return gsm0808_cell_id_name_buf(buf, sizeof(buf), cid); +} + +char *gsm0808_cell_id_name_c(const void *ctx, const struct gsm0808_cell_id *cid) +{ + char *buf = talloc_size(ctx, 64); + if (!buf) + return NULL; + return gsm0808_cell_id_name_buf(buf, 64, cid); } /*! Return a human readable representation of the Cell Identifier List, like @@ -1856,6 +1871,15 @@ const char *gsm0808_cell_id_list_name(const struct gsm0808_cell_id_list2 *cil) return buf; } +char *gsm0808_cell_id_list_name_c(const void *ctx, const struct gsm0808_cell_id_list2 *cil) +{ + char *buf = talloc_size(ctx, 1024); + if (!buf) + return NULL; + gsm0808_cell_id_list_name_buf(buf, 1024, cil); + return buf; +} + #undef APPEND_STR #undef APPEND_CELL_ID_U @@ -1873,4 +1897,12 @@ const char *gsm0808_channel_type_name(const struct gsm0808_channel_type *ct) return gsm0808_channel_type_name_buf(buf, sizeof(buf), ct); } +char *gsm0808_channel_type_name_c(const void *ctx, const struct gsm0808_channel_type *ct) +{ + char *buf = talloc_size(ctx, 128); + if (!buf) + return NULL; + return gsm0808_channel_type_name_buf(buf, 128, ct); +} + /*! @} */ diff --git a/src/gsm/gsm23003.c b/src/gsm/gsm23003.c index bbfe236a..2252f706 100644 --- a/src/gsm/gsm23003.c +++ b/src/gsm/gsm23003.c @@ -111,6 +111,19 @@ const char *osmo_mcc_name(uint16_t mcc) return osmo_mcc_name_buf(buf, sizeof(buf), mcc); } +/*! Return MCC string as standardized 3-digit with leading zeros, into a talloc-allocated buffer. + * \param[in] ctx talloc context from which to allocate output buffer + * \param[in] mcc MCC value. + * \returns string in dynamically allocated buffer. + */ +const char *osmo_mcc_name_c(const void *ctx, uint16_t mcc) +{ + char *buf = talloc_size(ctx, 8); + if (!buf) + return NULL; + return osmo_mcc_name_buf(buf, 8, mcc); +} + /*! Return MNC string as standardized 2- or 3-digit with leading zeros. * \param[out] buf caller-allocated output buffer * \param[in] buf_len size of buf in bytes @@ -124,6 +137,20 @@ char *osmo_mnc_name_buf(char *buf, size_t buf_len, uint16_t mnc, bool mnc_3_digi return buf; } +/*! Return MNC string as standardized 2- or 3-digit with leading zeros, into a talloc-allocated buffer. + * \param[in] ctx talloc context from which to allocate output buffer + * \param[in] mnc MNC value. + * \param[in] mnc_3_digits True if an MNC should fill three digits, only has an effect if MNC < 100. + * \returns string in dynamically allocated buffer. + */ +char *osmo_mnc_name_c(const void *ctx, uint16_t mnc, bool mnc_3_digits) +{ + char *buf = talloc_size(ctx, 8); + if (!buf) + return buf; + return osmo_mnc_name_buf(buf, 8, mnc, mnc_3_digits); +} + /*! Return MNC string as standardized 2- or 3-digit with leading zeros. * \param[in] mnc MNC value. * \param[in] mnc_3_digits True if an MNC should fill three digits, only has an effect if MNC < 100. @@ -170,6 +197,20 @@ const char *osmo_plmn_name2(const struct osmo_plmn_id *plmn) return osmo_plmn_name_buf(buf, sizeof(buf), plmn); } +/*! Return MCC-MNC string as standardized 3-digit-dash-2/3-digit with leading zeros, into + * a dynamically-allocated output buffer. + * \param[in] ctx talloc context from which to allocate output buffer + * \param[in] plmn MCC-MNC value. + * \returns string in dynamically allocated buffer. + */ +char *osmo_plmn_name_c(const void *ctx, const struct osmo_plmn_id *plmn) +{ + char *buf = talloc_size(ctx, 16); + if (!buf) + return NULL; + return osmo_plmn_name_buf(buf, 16, plmn); +} + /*! Return MCC-MNC-LAC as string, in caller-provided output buffer. * \param[out] buf caller-allocated output buffer * \param[in] buf_len size of buf in bytes @@ -193,6 +234,19 @@ const char *osmo_lai_name(const struct osmo_location_area_id *lai) return osmo_lai_name_buf(buf, sizeof(buf), lai); } +/*! Return MCC-MNC-LAC as string, in a talloc-allocated output buffer. + * \param[in] ctx talloc context from which to allocate output buffer + * \param[in] lai LAI to encode, the rac member is ignored. + * \returns string representation of lai in dynamically allocated buffer. + */ +char *osmo_lai_name_c(const void *ctx, const struct osmo_location_area_id *lai) +{ + char *buf = talloc_size(ctx, 32); + if (!buf) + return NULL; + return osmo_lai_name_buf(buf, 32, lai); +} + /*! Return MCC-MNC-LAC-CI as string, in caller-provided output buffer. * \param[out] buf caller-allocated output buffer * \param[in] buf_len size of buf in bytes @@ -226,6 +280,17 @@ const char *osmo_cgi_name2(const struct osmo_cell_global_id *cgi) return osmo_cgi_name_buf(buf, sizeof(buf), cgi); } +/*! Return MCC-MNC-LAC-CI as string, in a talloc-allocated output buffer. + * \param[in] ctx talloc context from which to allocate output buffer + * \param[in] cgi CGI to encode. + * \returns string representation of CGI in dynamically-allocated buffer. + */ +char *osmo_cgi_name_c(const void *ctx, const struct osmo_cell_global_id *cgi) +{ + char *buf = talloc_size(ctx, 32); + return osmo_cgi_name_buf(buf, 32, cgi); +} + static void to_bcd(uint8_t *bcd, uint16_t val) { bcd[2] = val % 10; @@ -259,6 +324,19 @@ const char *osmo_gummei_name(const struct osmo_gummei *gummei) return osmo_gummei_name_buf(buf, sizeof(buf), gummei); } +/*! Return string representation of GUMMEI in static output buffer. + * \param[out] buf pointer to caller-provided output buffer + * \param[in] buf_len size of buf in bytes + * \param[in] gummei GUMMEI to be stringified + * \returns pointer to static output buffer + */ +char *osmo_gummei_name_c(const void *ctx, const struct osmo_gummei *gummei) +{ + char *buf = talloc_size(ctx, 32); + if (!buf) + return NULL; + return osmo_gummei_name_buf(buf, 32, gummei); +} /* Convert MCC + MNC to BCD representation * \param[out] bcd_dst caller-allocated memory for output 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 diff --git a/src/gsm/gsm_utils.c b/src/gsm/gsm_utils.c index f2bf57bf..1450ed0b 100644 --- a/src/gsm/gsm_utils.c +++ b/src/gsm/gsm_utils.c @@ -900,6 +900,13 @@ char *osmo_dump_gsmtime(const struct gsm_time *tm) return osmo_dump_gsmtime_buf(buf, sizeof(buf), tm); } +char *osmo_dump_gsmtime_c(const void *ctx, const struct gsm_time *tm) +{ + char *buf = talloc_size(ctx, 64); + if (!buf) + return NULL; + return osmo_dump_gsmtime_buf(buf, 64, tm); +} /*! append range1024 encoded data to bit vector * \param[out] bv Caller-provided output bit-vector diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map index a69fb606..56481fdd 100644 --- a/src/gsm/libosmogsm.map +++ b/src/gsm/libosmogsm.map @@ -10,6 +10,7 @@ abis_nm_chcomb4pchan; abis_nm_debugp_foh; abis_nm_dump_foh; abis_nm_dump_foh_buf; +abis_nm_dump_foh_c; abis_nm_event_type_name; abis_nm_nack_cause_name; abis_nm_nack_name; @@ -212,8 +213,11 @@ gsm0808_enc_cell_id; gsm0808_dec_cell_id; gsm0808_cell_id_name; gsm0808_cell_id_name2; +gsm0808_cell_id_name_buf; +gsm0808_cell_id_name_c; gsm0808_cell_id_list_name; gsm0808_cell_id_list_name_buf; +gsm0808_cell_id_list_name_c; gsm0808_cell_id_discr_names; gsm0808_cell_id_u_name; gsm0808_cell_ids_match; @@ -227,6 +231,7 @@ gsm0808_permitted_speech_names; gsm0808_chosen_enc_alg_names; gsm0808_channel_type_name; gsm0808_channel_type_name_buf; +gsm0808_channel_type_name_c; gsm0808_lcls_config_names; gsm0808_lcls_control_names; gsm0808_lcls_status_names; @@ -255,6 +260,7 @@ osmo_gcr_dump; osmo_gcr_dump_buf; osmo_lcls_dump; osmo_lcls_dump_buf; +osmo_lcls_dump_c; gsm0858_rsl_ul_meas_enc; @@ -350,6 +356,7 @@ gsm48_dtx_mode; gsm48_mi_type_name; osmo_mi_name; osmo_mi_name_buf; +osmo_mi_name_c; gsm48_mcc_mnc_to_bcd; gsm48_mcc_mnc_from_bcd; gsm48_generate_lai2; @@ -360,20 +367,27 @@ osmo_plmn_to_bcd; osmo_plmn_from_bcd; osmo_mcc_name; osmo_mcc_name_buf; +osmo_mcc_name_c; osmo_mnc_name; osmo_mnc_name_buf; +osmo_mnc_name_c; osmo_plmn_name; osmo_plmn_name_buf; +osmo_plmn_name_c; osmo_plmn_name2; osmo_lai_name; osmo_lai_name_buf; +osmo_lai_name_c; osmo_rai_name; osmo_rai_name_buf; +osmo_rai_name_c; osmo_cgi_name; osmo_cgi_name_buf; +osmo_cgi_name_c; osmo_cgi_name2; osmo_gummei_name; osmo_gummei_name_buf; +osmo_gummei_name_c; osmo_mnc_from_str; osmo_mnc_cmp; osmo_plmn_cmp; @@ -391,6 +405,7 @@ gsm48_cc_msgtype_names; gsm48_cc_cause_names; gsm48_pdisc_msgtype_name; gsm48_pdisc_msgtype_name_buf; +gsm48_pdisc_msgtype_name_c; gsm48_reject_value_names; gsm_7bit_decode; @@ -417,6 +432,7 @@ gsm_get_octet_len; gsm_gsmtime2fn; osmo_dump_gsmtime; osmo_dump_gsmtime_buf; +osmo_dump_gsmtime_c; gsm_milenage; gsm_septet_encode; @@ -487,6 +503,7 @@ rsl_ccch_conf_to_bs_cc_chans; rsl_ccch_conf_to_bs_ccch_sdcch_comb; rsl_chan_nr_str; rsl_chan_nr_str_buf; +rsl_chan_nr_str_c; rsl_dec_chan_nr; rsl_enc_chan_nr; rsl_err_name; @@ -549,8 +566,10 @@ ipa_send; osmo_apn_qualify; osmo_apn_qualify_buf; +osmo_apn_qualify_c; osmo_apn_qualify_from_imsi; osmo_apn_qualify_from_imsi_buf; +osmo_apn_qualify_from_imsi_c; osmo_apn_to_str; osmo_apn_from_str; @@ -610,6 +629,7 @@ osmo_gsm48_classmark2_is_r99; osmo_gsm48_classmark_supports_a5; osmo_gsm48_classmark_a5_name; osmo_gsm48_classmark_a5_name_buf; +osmo_gsm48_classmark_a5_name_c; osmo_gsm48_classmark_update; local: *; diff --git a/src/gsm/rsl.c b/src/gsm/rsl.c index 7bc60027..17774799 100644 --- a/src/gsm/rsl.c +++ b/src/gsm/rsl.c @@ -258,6 +258,19 @@ const char *rsl_chan_nr_str(uint8_t chan_nr) return rsl_chan_nr_str_buf(str, sizeof(str), chan_nr); } +/*! Get human-readable string for RSL channel number, in dynamically-allocated buffer. + * \param[in] ctx talloc context from which to allocate output buffer + * \param[in] chan_nr channel number to be stringified + * \returns dynamically-allocated buffer with string representation + */ +char *rsl_chan_nr_str_c(const void *ctx, uint8_t chan_nr) +{ + char *str = talloc_size(ctx, 20); + if (!str) + return NULL; + return rsl_chan_nr_str_buf(str, 20, chan_nr); +} + static const struct value_string rsl_err_vals[] = { { RSL_ERR_RADIO_IF_FAIL, "Radio Interface Failure" }, { RSL_ERR_RADIO_LINK_FAIL, "Radio Link Failure" }, @@ -64,9 +64,8 @@ #include <osmocom/core/talloc.h> #include <osmocom/core/logging.h> -void *tall_msgb_ctx = NULL; - -/*! Allocate a new message buffer +/*! Allocate a new message buffer from given talloc cotext + * \param[in] ctx talloc context from which to allocate * \param[in] size Length in octets, including headroom * \param[in] name Human-readable name to be associated with msgb * \returns dynamically-allocated \ref msgb @@ -75,11 +74,11 @@ void *tall_msgb_ctx = NULL; * memory buffer for the actual message data (size specified by \a size) * using the talloc memory context previously set by \ref msgb_set_talloc_ctx */ -struct msgb *msgb_alloc(uint16_t size, const char *name) +struct msgb *msgb_alloc_c(const void *ctx, uint16_t size, const char *name) { struct msgb *msg; - msg = talloc_named_const(tall_msgb_ctx, sizeof(*msg) + size, name); + msg = talloc_named_const(ctx, sizeof(*msg) + size, name); if (!msg) { LOGP(DLGLOBAL, LOGL_FATAL, "Unable to allocate a msgb: " "name='%s', size=%u\n", name, size); @@ -98,6 +97,24 @@ struct msgb *msgb_alloc(uint16_t size, const char *name) return msg; } +/* default msgb allocation context for msgb_alloc() */ +void *tall_msgb_ctx = NULL; + +/*! Allocate a new message buffer from tall_msgb_ctx + * \param[in] size Length in octets, including headroom + * \param[in] name Human-readable name to be associated with msgb + * \returns dynamically-allocated \ref msgb + * + * This function allocates a 'struct msgb' as well as the underlying + * memory buffer for the actual message data (size specified by \a size) + * using the talloc memory context previously set by \ref msgb_set_talloc_ctx + */ +struct msgb *msgb_alloc(uint16_t size, const char *name) +{ + return msgb_alloc_c(tall_msgb_ctx, size, name); +} + + /*! Release given message buffer * \param[in] m Message buffer to be freed */ @@ -309,11 +326,11 @@ void *msgb_talloc_ctx_init(void *root_ctx, unsigned int pool_size) * \param[in] msg The old msgb object * \param[in] name Human-readable name to be associated with msgb */ -struct msgb *msgb_copy(const struct msgb *msg, const char *name) +struct msgb *msgb_copy_c(const void *ctx, const struct msgb *msg, const char *name) { struct msgb *new_msg; - new_msg = msgb_alloc(msg->data_len, name); + new_msg = msgb_alloc_c(ctx, msg->data_len, name); if (!new_msg) return NULL; @@ -338,6 +355,19 @@ struct msgb *msgb_copy(const struct msgb *msg, const char *name) return new_msg; } +/*! Copy an msgb. + * + * This function allocates a new msgb, copies the data buffer of msg, + * and adjusts the pointers (incl l1h-l4h) accordingly. The cb part + * is not copied. + * \param[in] msg The old msgb object + * \param[in] name Human-readable name to be associated with msgb + */ +struct msgb *msgb_copy(const struct msgb *msg, const char *name) +{ + return msgb_copy_c(tall_msgb_ctx, msg, name); +} + /*! Resize an area within an msgb * * This resizes a sub area of the msgb data and adjusts the pointers (incl @@ -485,6 +515,19 @@ const char *msgb_hexdump(const struct msgb *msg) return msgb_hexdump_buf(buf, sizeof(buf), msg); } +/*! Return a dynamically allocated buffer containing a hexdump of the msg + * \param[in] ctx talloc context from where to allocate the output string + * \param[in] msg message buffer + * \returns a pointer to a static char array + */ +char *msgb_hexdump_c(const void *ctx, const struct msgb *msg) +{ + char *buf = talloc_size(ctx, msgb_length(msg)*3 + 100); + if (!buf) + return NULL; + return msgb_hexdump_buf(buf, sizeof(buf), msg); +} + /*! Print a string to the end of message buffer. * \param[in] msgb message buffer. * \param[in] format format string. diff --git a/src/sim/core.c b/src/sim/core.c index 998e836b..63b3000b 100644 --- a/src/sim/core.c +++ b/src/sim/core.c @@ -305,6 +305,14 @@ char *osim_print_sw(const struct osim_card_hdl *ch, uint16_t sw_in) return osim_print_sw_buf(sw_print_buf, sizeof(sw_print_buf), ch, sw_in); } +char *osim_print_sw_c(const void *ctx, const struct osim_card_hdl *ch, uint16_t sw_in) +{ + char *buf = talloc_size(ctx, 256); + if (!buf) + return NULL; + return osim_print_sw_buf(buf, 256, ch, sw_in); +} + const struct osim_card_sw *osim_find_sw(const struct osim_card_profile *cp, uint16_t sw_in) { diff --git a/src/socket.c b/src/socket.c index 3a46ad02..c817e723 100644 --- a/src/socket.c +++ b/src/socket.c @@ -827,6 +827,20 @@ const char *osmo_sock_get_name2(int fd) return str; } +/*! Get address/port information on socket in static string, like "r=1.2.3.4:5<->l=6.7.8.9:10". + * This does not include braces like osmo_sock_get_name(). + * \param[in] fd File descriptor of socket. + * \return Static string buffer containing the result. + */ +char *osmo_sock_get_name2_c(const void *ctx, int fd) +{ + char *str = talloc_size(ctx, OSMO_SOCK_NAME_MAXLEN); + if (!str) + return NULL; + osmo_sock_get_name_buf(str, sizeof(str), fd); + return str; +} + static int sock_get_domain(int fd) { int domain; diff --git a/src/utils.c b/src/utils.c index 47963650..b8b4ef56 100644 --- a/src/utils.c +++ b/src/utils.c @@ -338,6 +338,27 @@ char *osmo_hexdump(const unsigned char *buf, int len) } /*! Convert binary sequence to hexadecimal ASCII string + * \param[in] ctx talloc context from where to allocate the output string + * \param[in] buf pointer to sequence of bytes + * \param[in] len length of buf in number of bytes + * \returns pointer to zero-terminated string + * + * This function will print a sequence of bytes as hexadecimal numbers, + * adding one space character between each byte (e.g. "1a ef d9") + * + * The maximum size of the output buffer is 4096 bytes, i.e. the maximum + * number of input bytes that can be printed in one call is 1365! + */ +char *osmo_hexdump_c(const void *ctx, const unsigned char *buf, int len) +{ + char *hexd_buff = talloc_size(ctx, len*3 + 1); + if (!hexd_buff) + return NULL; + osmo_hexdump_buf(hexd_buff, sizeof(hexd_buff), buf, len, " ", true); + return hexd_buff; +} + +/*! Convert binary sequence to hexadecimal ASCII string * \param[in] buf pointer to sequence of bytes * \param[in] len length of buf in number of bytes * \returns pointer to zero-terminated string @@ -354,6 +375,28 @@ char *osmo_hexdump_nospc(const unsigned char *buf, int len) return hexd_buff; } +/*! Convert binary sequence to hexadecimal ASCII string + * \param[in] ctx talloc context from where to allocate the output string + * \param[in] buf pointer to sequence of bytes + * \param[in] len length of buf in number of bytes + * \returns pointer to zero-terminated string + * + * This function will print a sequence of bytes as hexadecimal numbers, + * without any space character between each byte (e.g. "1aefd9") + * + * The maximum size of the output buffer is 4096 bytes, i.e. the maximum + * number of input bytes that can be printed in one call is 2048! + */ +char *osmo_hexdump_nospc_c(const void *ctx, const unsigned char *buf, int len) +{ + char *hexd_buff = talloc_size(ctx, len*2 + 1); + if (!hexd_buff) + return NULL; + osmo_hexdump_buf(hexd_buff, sizeof(hexd_buff), buf, len, "", true); + return hexd_buff; +} + + /* Compat with previous typo to preserve abi */ char *osmo_osmo_hexdump_nospc(const unsigned char *buf, int len) #if defined(__MACH__) && defined(__APPLE__) @@ -639,6 +682,19 @@ const char *osmo_escape_str(const char *str, int in_len) return osmo_escape_str_buf(str, in_len, namebuf, sizeof(namebuf)); } +/*! Return the string with all non-printable characters escaped, in dynamically-allocated buffer. + * \param[in] str A string that may contain any characters. + * \param[in] len Pass -1 to print until nul char, or >= 0 to force a length. + * \returns dynamically-allocated output buffer, containing an escaped representation + */ +char *osmo_escape_str_c(const void *ctx, const char *str, int in_len) +{ + char *buf = talloc_size(ctx, in_len+1); + if (!buf) + return NULL; + return osmo_escape_str_buf(str, in_len, buf, in_len+1); +} + /*! Like osmo_escape_str(), but returns double-quotes around a string, or "NULL" for a NULL string. * This allows passing any char* value and get its C representation as string. * \param[in] str A string that may contain any characters. @@ -671,6 +727,20 @@ const char *osmo_quote_str(const char *str, int in_len) return osmo_quote_str_buf(str, in_len, namebuf, sizeof(namebuf)); } +/*! Like osmo_quote_str_buf() but returns the result in a dynamically-allocated buffer. + * The static buffer is shared with get_value_string() and osmo_escape_str(). + * \param[in] str A string that may contain any characters. + * \param[in] in_len Pass -1 to print until nul char, or >= 0 to force a length. + * \returns dynamically-allocated buffer containing a quoted and escaped representation. + */ +char *osmo_quote_str_c(const void *ctx, const char *str, int in_len) +{ + char *buf = talloc_size(ctx, OSMO_MAX(in_len+2, 32)); + if (!buf) + return NULL; + return osmo_quote_str_buf(str, in_len, buf, 32); +} + /*! perform an integer square root operation on unsigned 32bit integer. * This implementation is taken from "Hacker's Delight" Figure 11-1 "Integer square root, Newton's * method", which can also be found at http://www.hackersdelight.org/hdcodetxt/isqrt.c.txt */ @@ -754,6 +824,21 @@ const char *osmo_str_tolower(const char *src) return buf; } +/*! Convert a string to lowercase, dynamically allocating the output from given talloc context + * See also osmo_str_tolower_buf(). + * \param[in] ctx talloc context from where to allocate the output string + * \param[in] src String to convert to lowercase. + * \returns Resulting lowercase string in a dynamically allocated buffer, always nul terminated. + */ +char *osmo_str_tolower_c(const void *ctx, const char *src) +{ + char *buf = talloc_size(ctx, strlen(src)+1); + if (!buf) + return NULL; + osmo_str_tolower_buf(buf, sizeof(buf), src); + return buf; +} + /*! Convert a string to uppercase, while checking buffer size boundaries. * The result written to \a dest is guaranteed to be nul terminated if \a dest_len > 0. * If dest == src, the string is converted in-place, if necessary truncated at dest_len - 1 characters @@ -797,6 +882,21 @@ const char *osmo_str_toupper(const char *src) return buf; } +/*! Convert a string to uppercase, dynamically allocating the output from given talloc context + * See also osmo_str_tolower_buf(). + * \param[in] ctx talloc context from where to allocate the output string + * \param[in] src String to convert to uppercase. + * \returns Resulting uppercase string in a dynamically allocated buffer, always nul terminated. + */ +char *osmo_str_toupper_c(const void *ctx, const char *src) +{ + char *buf = talloc_size(ctx, strlen(src)+1); + if (!buf) + return NULL; + osmo_str_toupper_buf(buf, sizeof(buf), src); + return buf; +} + /*! Calculate the Luhn checksum (as used for IMEIs). * \param[in] in Input digits in ASCII string representation. * \param[in] in_len Count of digits to use for the input (14 for IMEI). |