diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/gprs/Makefile.am | 3 | ||||
-rw-r--r-- | src/gprs/gb_proxy.c | 16 | ||||
-rw-r--r-- | src/gprs/gprs_gmm.c | 24 | ||||
-rw-r--r-- | src/gprs/gprs_llc.c | 24 | ||||
-rw-r--r-- | src/gprs/gprs_sgsn.c | 9 |
5 files changed, 38 insertions, 38 deletions
diff --git a/src/gprs/Makefile.am b/src/gprs/Makefile.am index 764acba2a..b0fca6f9c 100644 --- a/src/gprs/Makefile.am +++ b/src/gprs/Makefile.am @@ -15,7 +15,6 @@ AM_CFLAGS = \ $(LIBOSMOGB_CFLAGS) \ $(COVERAGE_CFLAGS) \ $(LIBCARES_CFLAGS) \ - $(LIBCRYPTO_CFLAGS) \ $(LIBGTP_CFLAGS) \ $(NULL) if BUILD_IU @@ -61,7 +60,6 @@ osmo_gbproxy_SOURCES = \ $(NULL) osmo_gbproxy_LDADD = \ $(OSMO_LIBS) \ - $(LIBCRYPTO_LIBS) \ -lrt \ $(NULL) @@ -97,7 +95,6 @@ osmo_sgsn_LDADD = \ $(OSMO_LIBS) \ $(LIBOSMOABIS_LIBS) \ $(LIBCARES_LIBS) \ - $(LIBCRYPTO_LIBS) \ $(LIBGTP_LIBS) \ -lrt \ -lm \ diff --git a/src/gprs/gb_proxy.c b/src/gprs/gb_proxy.c index 6a9bc22ae..63c3a6127 100644 --- a/src/gprs/gb_proxy.c +++ b/src/gprs/gb_proxy.c @@ -50,8 +50,6 @@ #include <osmocom/gsm/protocol/gsm_04_08_gprs.h> #include <osmocom/sgsn/gprs_utils.h> -#include <openssl/rand.h> - extern void *tall_bsc_ctx; static const struct rate_ctr_desc global_ctr_description[] = { @@ -232,12 +230,13 @@ uint32_t gbproxy_make_bss_ptmsi(struct gbproxy_peer *peer, uint32_t sgsn_ptmsi) { uint32_t bss_ptmsi; - int max_retries = 23; + int max_retries = 23, rc = 0; if (!peer->cfg->patch_ptmsi) { bss_ptmsi = sgsn_ptmsi; } else { do { - if (RAND_bytes((uint8_t *) &bss_ptmsi, sizeof(bss_ptmsi)) != 1) { + rc = osmo_get_rand_id((uint8_t *) &bss_ptmsi, sizeof(bss_ptmsi)); + if (rc < 0) { bss_ptmsi = GSM_RESERVED_TMSI; break; } @@ -250,7 +249,7 @@ uint32_t gbproxy_make_bss_ptmsi(struct gbproxy_peer *peer, } if (bss_ptmsi == GSM_RESERVED_TMSI) - LOGP(DGPRS, LOGL_ERROR, "Failed to allocate a BSS P-TMSI\n"); + LOGP(DGPRS, LOGL_ERROR, "Failed to allocate a BSS P-TMSI: %d (%s)\n", rc, strerror(-rc)); return bss_ptmsi; } @@ -260,7 +259,7 @@ uint32_t gbproxy_make_sgsn_tlli(struct gbproxy_peer *peer, uint32_t bss_tlli) { uint32_t sgsn_tlli; - int max_retries = 23; + int max_retries = 23, rc = 0; if (!peer->cfg->patch_ptmsi) { sgsn_tlli = bss_tlli; } else if (link_info->sgsn_tlli.ptmsi != GSM_RESERVED_TMSI && @@ -274,7 +273,8 @@ uint32_t gbproxy_make_sgsn_tlli(struct gbproxy_peer *peer, } else { do { /* create random TLLI, 0b01111xxx... */ - if (RAND_bytes((uint8_t *) &sgsn_tlli, sizeof(sgsn_tlli)) != 1) { + rc = osmo_get_rand_id((uint8_t *) &sgsn_tlli, sizeof(sgsn_tlli)); + if (rc < 0) { sgsn_tlli = 0; break; } @@ -287,7 +287,7 @@ uint32_t gbproxy_make_sgsn_tlli(struct gbproxy_peer *peer, } if (!sgsn_tlli) - LOGP(DGPRS, LOGL_ERROR, "Failed to allocate an SGSN TLLI\n"); + LOGP(DGPRS, LOGL_ERROR, "Failed to allocate an SGSN TLLI: %d (%s)\n", rc, strerror(-rc)); return sgsn_tlli; } diff --git a/src/gprs/gprs_gmm.c b/src/gprs/gprs_gmm.c index f07b806f3..ead958eea 100644 --- a/src/gprs/gprs_gmm.c +++ b/src/gprs/gprs_gmm.c @@ -31,8 +31,6 @@ #include <arpa/inet.h> #include <netdb.h> -#include <openssl/rand.h> - #include "bscconfig.h" #include <osmocom/core/msgb.h> @@ -587,6 +585,7 @@ static int gsm48_tx_gmm_auth_ciph_req(struct sgsn_mm_ctx *mm, struct gsm48_hdr *gh; struct gsm48_auth_ciph_req *acreq; uint8_t *m_rand, *m_cksn, rbyte; + int rc; LOGMMCTXP(LOGL_INFO, mm, "<- GPRS AUTH AND CIPHERING REQ (rand = %s", osmo_hexdump(vec->rand, sizeof(vec->rand))); @@ -610,12 +609,13 @@ static int gsm48_tx_gmm_auth_ciph_req(struct sgsn_mm_ctx *mm, /* § 10.5.5.7: */ acreq->force_stby = force_standby; /* 3GPP TS 24.008 § 10.5.5.19: */ - if (RAND_bytes(&rbyte, 1) != 1) { - LOGP(DMM, LOGL_NOTICE, "RAND_bytes failed for A&C ref, falling " - "back to rand()\n"); - acreq->ac_ref_nr = rand(); - } else - acreq->ac_ref_nr = rbyte; + rc = osmo_get_rand_id(&rbyte, 1); + if (rc < 0) { + LOGP(DMM, LOGL_ERROR, "osmo_get_rand_id() failed for A&C ref: %s\n", strerror(-rc)); + return rc; + } + + acreq->ac_ref_nr = rbyte; mm->ac_ref_nr_used = acreq->ac_ref_nr; /* Only if authentication is requested we need to set RAND + CKSN */ @@ -2086,6 +2086,7 @@ static void mmctx_timer_cb(void *_mm) { struct sgsn_mm_ctx *mm = _mm; struct gsm_auth_tuple *at; + int rc; mm->num_T_exp++; @@ -2130,8 +2131,11 @@ static void mmctx_timer_cb(void *_mm) } at = &mm->auth_triplet; - gsm48_tx_gmm_auth_ciph_req(mm, &at->vec, at->key_seq, false); - osmo_timer_schedule(&mm->timer, sgsn->cfg.timers.T3360, 0); + rc = gsm48_tx_gmm_auth_ciph_req(mm, &at->vec, at->key_seq, false); + if (rc < 0) + LOGMMCTXP(LOGL_ERROR, mm, "failed sending Auth. & Ciph. Reuqest: %s \n", strerror(-rc)); + else + osmo_timer_schedule(&mm->timer, sgsn->cfg.timers.T3360, 0); break; case 3370: /* waiting for IDENTITY RESPONSE */ if (mm->num_T_exp >= 5) { diff --git a/src/gprs/gprs_llc.c b/src/gprs/gprs_llc.c index 22743fe91..1a7cf3db8 100644 --- a/src/gprs/gprs_llc.c +++ b/src/gprs/gprs_llc.c @@ -23,8 +23,6 @@ #include <stdint.h> #include <stdbool.h> -#include <openssl/rand.h> - #include <osmocom/core/msgb.h> #include <osmocom/core/linuxlist.h> #include <osmocom/core/timer.h> @@ -1065,14 +1063,15 @@ int gprs_llgmm_reset(struct gprs_llc_llme *llme) struct msgb *msg = msgb_alloc_headroom(4096, 1024, "LLC_XID"); struct gprs_llc_lle *lle = &llme->lle[1]; uint8_t xid_bytes[1024]; - int xid_bytes_len; + int xid_bytes_len, rc; uint8_t *xid; LOGP(DLLC, LOGL_NOTICE, "LLGM Reset\n"); - if (RAND_bytes((uint8_t *) &llme->iov_ui, 4) != 1) { - LOGP(DLLC, LOGL_NOTICE, "RAND_bytes failed for LLC XID reset, " - "falling back to rand()\n"); - llme->iov_ui = rand(); + + rc = osmo_get_rand_id((uint8_t *) &llme->iov_ui, 4); + if (rc < 0) { + LOGP(DLLC, LOGL_ERROR, "osmo_get_rand_id() failed for LLC XID reset: %s\n", strerror(-rc)); + return rc; } /* Generate XID message */ @@ -1098,14 +1097,15 @@ int gprs_llgmm_reset_oldmsg(struct msgb* oldmsg, uint8_t sapi, { struct msgb *msg = msgb_alloc_headroom(4096, 1024, "LLC_XID"); uint8_t xid_bytes[1024]; - int xid_bytes_len; + int xid_bytes_len, rc; uint8_t *xid; LOGP(DLLC, LOGL_NOTICE, "LLGM Reset\n"); - if (RAND_bytes((uint8_t *) &llme->iov_ui, 4) != 1) { - LOGP(DLLC, LOGL_NOTICE, "RAND_bytes failed for LLC XID reset, " - "falling back to rand()\n"); - llme->iov_ui = rand(); + + rc = osmo_get_rand_id((uint8_t *) &llme->iov_ui, 4); + if (rc < 0) { + LOGP(DLLC, LOGL_ERROR, "osmo_get_rand_id() failed for LLC XID reset: %s\n", strerror(-rc)); + return rc; } /* Generate XID message */ diff --git a/src/gprs/gprs_sgsn.c b/src/gprs/gprs_sgsn.c index c4321f91c..688eaed18 100644 --- a/src/gprs/gprs_sgsn.c +++ b/src/gprs/gprs_sgsn.c @@ -46,8 +46,6 @@ #include <time.h> -#include <openssl/rand.h> - #include "../../bscconfig.h" #if BUILD_IU @@ -643,10 +641,11 @@ uint32_t sgsn_alloc_ptmsi(void) { struct sgsn_mm_ctx *mm; uint32_t ptmsi = 0xdeadbeef; - int max_retries = 100; + int max_retries = 100, rc = 0; restart: - if (RAND_bytes((uint8_t *) &ptmsi, sizeof(ptmsi)) != 1) + rc = osmo_get_rand_id((uint8_t *) &ptmsi, sizeof(ptmsi)); + if (rc < 0) goto failed; /* Enforce that the 2 MSB are set without loosing the distance between @@ -684,7 +683,7 @@ restart: return ptmsi; failed: - LOGP(DGPRS, LOGL_ERROR, "Failed to allocate a P-TMSI\n"); + LOGP(DGPRS, LOGL_ERROR, "Failed to allocate a P-TMSI: %d (%s)\n", rc, strerror(-rc)); return GSM_RESERVED_TMSI; } |