From 7a4f614ba912241fabfaa73d1efc8f17ad8d6275 Mon Sep 17 00:00:00 2001 From: Neels Hofmeyr Date: Wed, 23 Sep 2020 18:18:19 +0200 Subject: add osmo_sccp_addr_to_id_c() Change-Id: Iadd34a167a7712796b2501f6a75b5a8d26a828eb --- include/osmocom/sigtran/sccp_helpers.h | 4 ++++ src/sccp_helpers.c | 43 +++++++++++++++++++++++++++------- 2 files changed, 39 insertions(+), 8 deletions(-) diff --git a/include/osmocom/sigtran/sccp_helpers.h b/include/osmocom/sigtran/sccp_helpers.h index 831307d..dc4e115 100644 --- a/include/osmocom/sigtran/sccp_helpers.h +++ b/include/osmocom/sigtran/sccp_helpers.h @@ -63,5 +63,9 @@ int osmo_sccp_addr_to_str_buf(char *buf, size_t buf_len, const struct osmo_ss7_i const struct osmo_sccp_addr *addr); char *osmo_sccp_addr_to_str_c(void *ctx, const struct osmo_ss7_instance *ss7, const struct osmo_sccp_addr *addr); +int osmo_sccp_addr_to_id_buf(char *buf, size_t buf_len, const struct osmo_ss7_instance *ss7, + const struct osmo_sccp_addr *addr); +char *osmo_sccp_addr_to_id_c(void *ctx, const struct osmo_ss7_instance *ss7, const struct osmo_sccp_addr *addr); + char *osmo_sccp_addr_name(const struct osmo_ss7_instance *ss7, const struct osmo_sccp_addr *addr); char *osmo_sccp_inst_addr_name(const struct osmo_sccp_instance *sccp, const struct osmo_sccp_addr *addr); diff --git a/src/sccp_helpers.c b/src/sccp_helpers.c index fe1133f..2dc762e 100644 --- a/src/sccp_helpers.c +++ b/src/sccp_helpers.c @@ -311,8 +311,8 @@ char *osmo_sccp_addr_dump(const struct osmo_sccp_addr *addr) return buf; } -int osmo_sccp_addr_to_str_buf(char *buf, size_t buf_len, const struct osmo_ss7_instance *ss7, - const struct osmo_sccp_addr *addr) +static int sccp_addr_to_str_buf(char *buf, size_t buf_len, const struct osmo_ss7_instance *ss7, + const struct osmo_sccp_addr *addr, char sep_char) { struct osmo_strbuf sb = { .buf = buf, .len = buf_len }; char ipbuf[INET6_ADDRSTRLEN]; @@ -320,26 +320,53 @@ int osmo_sccp_addr_to_str_buf(char *buf, size_t buf_len, const struct osmo_ss7_i OSMO_STRBUF_PRINTF(sb, "RI=%s", osmo_sccp_routing_ind_name(addr->ri)); if (addr->presence & OSMO_SCCP_ADDR_T_PC) - OSMO_STRBUF_PRINTF(sb, ",PC=%s", osmo_ss7_pointcode_print(ss7, addr->pc)); + OSMO_STRBUF_PRINTF(sb, "%cPC=%s", sep_char, osmo_ss7_pointcode_print(ss7, addr->pc)); if (addr->presence & OSMO_SCCP_ADDR_T_SSN) - OSMO_STRBUF_PRINTF(sb, ",SSN=%s", osmo_sccp_ssn_name(addr->ssn)); + OSMO_STRBUF_PRINTF(sb, "%cSSN=%s", sep_char, osmo_sccp_ssn_name(addr->ssn)); if (addr->presence & OSMO_SCCP_ADDR_T_IPv4) - OSMO_STRBUF_PRINTF(sb, ",IP=%s", inet_ntop(AF_INET, &addr->ip.v4, ipbuf, sizeof(ipbuf))); + OSMO_STRBUF_PRINTF(sb, "%cIP=%s", sep_char, inet_ntop(AF_INET, &addr->ip.v4, ipbuf, sizeof(ipbuf))); else if (addr->presence & OSMO_SCCP_ADDR_T_IPv6) - OSMO_STRBUF_PRINTF(sb, ",IP=%s", inet_ntop(AF_INET6, &addr->ip.v6, ipbuf, sizeof(ipbuf))); + OSMO_STRBUF_PRINTF(sb, "%cIP=%s", sep_char, inet_ntop(AF_INET6, &addr->ip.v6, ipbuf, sizeof(ipbuf))); if (addr->gt.gti != OSMO_SCCP_GTI_NO_GT || addr->presence & OSMO_SCCP_ADDR_T_GT) - OSMO_STRBUF_PRINTF(sb, ",GTI=%s", osmo_sccp_gti_name(addr->gt.gti)); + OSMO_STRBUF_PRINTF(sb, "%cGTI=%s", sep_char, osmo_sccp_gti_name(addr->gt.gti)); if (addr->presence & OSMO_SCCP_ADDR_T_GT) - OSMO_STRBUF_PRINTF(sb, ",GT=(%s)", osmo_sccp_gt_dump(&addr->gt)); + OSMO_STRBUF_PRINTF(sb, "%cGT=(%s)", sep_char, osmo_sccp_gt_dump(&addr->gt)); return sb.chars_needed; } +int osmo_sccp_addr_to_str_buf(char *buf, size_t buf_len, const struct osmo_ss7_instance *ss7, + const struct osmo_sccp_addr *addr) +{ + return sccp_addr_to_str_buf(buf, buf_len, ss7, addr, ','); +} + char *osmo_sccp_addr_to_str_c(void *ctx, const struct osmo_ss7_instance *ss7, const struct osmo_sccp_addr *addr) { OSMO_NAME_C_IMPL(ctx, 64, "ERROR", osmo_sccp_addr_to_str_buf, ss7, addr) } +/*! like osmo_sccp_addr_to_str_buf, but using only characters passing osmo_identifier_valid(). Useful for FSM and CTRL + * IDs. + * + * The advantage over using osmo_sccp_addr_to_str_buf() followed by osmo_identifier_sanitize_buf() is that here, the + * address elements are separated by ':', while osmo_identifier_sanitize_buf() would replace all characters with the + * same, e.g. '-'. + */ +int osmo_sccp_addr_to_id_buf(char *buf, size_t buf_len, const struct osmo_ss7_instance *ss7, + const struct osmo_sccp_addr *addr) +{ + int rc = sccp_addr_to_str_buf(buf, buf_len, ss7, addr, ':'); + /* inet_ntop() and osmo_sccp_gt_dump() may have written non-id chars. */ + osmo_identifier_sanitize_buf(buf, "", '-'); + return rc; +} + +char *osmo_sccp_addr_to_id_c(void *ctx, const struct osmo_ss7_instance *ss7, const struct osmo_sccp_addr *addr) +{ + OSMO_NAME_C_IMPL(ctx, 64, "ERROR", osmo_sccp_addr_to_id_buf, ss7, addr) +} + /* Rather use osmo_sccp_addr_to_str_buf() or osmo_sccp_addr_to_str_c() to not use a static buffer */ char *osmo_sccp_addr_name(const struct osmo_ss7_instance *ss7, const struct osmo_sccp_addr *addr) { -- cgit v1.2.3