OpenBSC

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4315 discussions

Problems with token mode
by Ciaby 21 Nov '14

21 Nov '14

Hi, It's me again :) We deployed the first installation with token mode, and we're running into a quite nasty issue: osmo-nitb does its job for a while, but then it goes to 100% cpu and it has to be killed. This doesn't happen in the lab, obviously, but it's happening in a village of about 10.000 people. Any clue? past experiences? Thanks! Ciaby

2 3

[PATCH] vty: Check with the application before writing the config
by Holger Hans Peter Freyther 21 Nov '14

21 Nov '14

From: Holger Hans Peter Freyther <holger(a)moiji-mobile.com> For the BSC/NITB application we see that people modify the band without modifying the ARFCN. This creates an unbootable config. Using the new hook the BSC/NITB can check if the config is consistent and prevent the config file being written. Related: SYS#739 --- TODO-RELEASE | 1 + include/osmocom/vty/vty.h | 2 ++ src/vty/command.c | 9 +++++++++ 3 files changed, 12 insertions(+) diff --git a/TODO-RELEASE b/TODO-RELEASE index 72a27a4..290fb0e 100644 --- a/TODO-RELEASE +++ b/TODO-RELEASE @@ -1,2 +1,3 @@ #library what description / commit summary line libosmocore abi-change logging: Add ability to save/print current log filters +libosmovty abi-change vty: Check with the application before writing the config diff --git a/include/osmocom/vty/vty.h b/include/osmocom/vty/vty.h index ea02e4a..1dcc230 100644 --- a/include/osmocom/vty/vty.h +++ b/include/osmocom/vty/vty.h @@ -159,6 +159,8 @@ struct vty_app_info { enum node_type (*go_parent_cb)(struct vty *vty); /*! \brief call-back to determine if node is config node */ int (*is_config_node)(struct vty *vty, int node); + /*! \brief Check if the config is consistent before write */ + int (*config_is_consistent)(struct vty *vty); }; /* Prototypes. */ diff --git a/src/vty/command.c b/src/vty/command.c index 44a1b6c..3ff5f77 100644 --- a/src/vty/command.c +++ b/src/vty/command.c @@ -2497,6 +2497,15 @@ DEFUN(config_write_file, char *failed_file; int rc; + if (host.app_info->config_is_consistent) { + rc = host.app_info->config_is_consistent(vty); + if (!rc) { + vty_out(vty, "Configuration is not consistent%s", + VTY_NEWLINE); + return CMD_WARNING; + } + } + if (host.config == NULL) { vty_out(vty, "Can't save to configuration file, using vtysh.%s", VTY_NEWLINE); -- 2.1.3

1 0

[PATCH] Configure the auth token sms text in the database
by Ruben Pollan 20 Nov '14

20 Nov '14

--- openbsc/include/openbsc/db.h | 2 ++ openbsc/src/libmsc/db.c | 77 +++++++++++++++++++++++++++++++++++++++- openbsc/src/libmsc/token_auth.c | 7 ++-- openbsc/src/osmo-nitb/bsc_hack.c | 5 +++ 4 files changed, 86 insertions(+), 5 deletions(-) diff --git a/openbsc/include/openbsc/db.h b/openbsc/include/openbsc/db.h index 6699a86..348a627 100644 --- a/openbsc/include/openbsc/db.h +++ b/openbsc/include/openbsc/db.h @@ -79,4 +79,6 @@ int db_store_counter(struct osmo_counter *ctr); struct rate_ctr_group; int db_store_rate_ctr_group(struct rate_ctr_group *ctrg); +char * db_get_text(const char *key); + #endif /* _DB_H */ diff --git a/openbsc/src/libmsc/db.c b/openbsc/src/libmsc/db.c index 656c661..1e8f000 100644 --- a/openbsc/src/libmsc/db.c +++ b/openbsc/src/libmsc/db.c @@ -45,11 +45,13 @@ static char *db_basename = NULL; static char *db_dirname = NULL; static dbi_conn conn; -#define SCHEMA_REVISION "4" +#define SCHEMA_REVISION "5" enum { SCHEMA_META, INSERT_META, + SCHEMA_TEXT, + INSERT_TEXT, SCHEMA_SUBSCRIBER, SCHEMA_AUTH, SCHEMA_EQUIPMENT, @@ -73,6 +75,16 @@ static const char *create_stmts[] = { "(key, value) " "VALUES " "('revision', " SCHEMA_REVISION ")", + [SCHEMA_TEXT] = "CREATE TABLE IF NOT EXISTS Text (" + "id INTEGER PRIMARY KEY AUTOINCREMENT, " + "key TEXT UNIQUE NOT NULL, " + "value TEXT NOT NULL" + ")", + [INSERT_TEXT] = "INSERT OR IGNORE INTO Text " + "(key, value) " + "VALUES " + "('auth_token_sms', 'Welcome to the GSM network. " + "Your IMSI is %s, auth token is %08X, phone no is %s.')", [SCHEMA_SUBSCRIBER] = "CREATE TABLE IF NOT EXISTS Subscriber (" "id INTEGER PRIMARY KEY AUTOINCREMENT, " "created TIMESTAMP NOT NULL, " @@ -367,6 +379,40 @@ rollback: return -EINVAL; } +static int update_db_revision_4(void) +{ + dbi_result result; + + result = dbi_conn_query(conn, create_stmts[SCHEMA_TEXT]); + if (!result) { + LOGP(DDB, LOGL_ERROR, + "Failed to create Text table (upgrade from rev 4).\n"); + return -EINVAL; + } + dbi_result_free(result); + + result = dbi_conn_query(conn, create_stmts[INSERT_TEXT]); + if (!result) { + LOGP(DDB, LOGL_ERROR, + "Failed to inserting Text (upgrade from rev 4).\n"); + return -EINVAL; + } + dbi_result_free(result); + + result = dbi_conn_query(conn, + "UPDATE Meta " + "SET value = '5' " + "WHERE key = 'revision'"); + if (!result) { + LOGP(DDB, LOGL_ERROR, + "Failed to update DB schema revision (upgrade from rev 4).\n"); + return -EINVAL; + } + dbi_result_free(result); + + return 0; +} + static int check_db_revision(void) { dbi_result result; @@ -398,6 +444,12 @@ static int check_db_revision(void) dbi_result_free(result); return -EINVAL; } + } else if (!strcmp(rev_s, "4")) { + if (update_db_revision_4()) { + LOGP(DDB, LOGL_FATAL, "Failed to update database from schema revision '%s'.\n", rev_s); + dbi_result_free(result); + return -EINVAL; + } } else if (!strcmp(rev_s, SCHEMA_REVISION)) { /* everything is fine */ } else { @@ -498,6 +550,29 @@ int db_fini(void) return 0; } +char * db_get_text(const char *key) { + dbi_result result; + const char * string; + char * text; + unsigned int len; + + result = dbi_conn_queryf(conn, + "SELECT value FROM Text WHERE key='%s'", key); + if (!result) + return NULL; + + if (!dbi_result_next_row(result)) { + dbi_result_free(result); + return NULL; + } + string = dbi_result_get_string(result, "value"); + text = talloc_strdup(NULL, string); + + dbi_result_free(result); + + return text; +} + struct gsm_subscriber *db_create_subscriber(const char *imsi) { dbi_result result; diff --git a/openbsc/src/libmsc/token_auth.c b/openbsc/src/libmsc/token_auth.c index 45b5a8e..3ee8564 100644 --- a/openbsc/src/libmsc/token_auth.c +++ b/openbsc/src/libmsc/token_auth.c @@ -29,20 +29,19 @@ #include <openbsc/chan_alloc.h> #include <openbsc/db.h> -#define TOKEN_SMS_TEXT "HAR 2009 GSM. Register at http://har2009.gnumonks.org/ " \ - "Your IMSI is %s, auth token is %08X, phone no is %s." +extern char * auth_token_sms_text; static char *build_sms_string(struct gsm_subscriber *subscr, uint32_t token) { char *sms_str; unsigned int len; - len = strlen(subscr->imsi) + 8 + strlen(TOKEN_SMS_TEXT); + len = strlen(subscr->imsi) + 8 + strlen(auth_token_sms_text) + strlen(subscr->extension); sms_str = talloc_size(tall_bsc_ctx, len); if (!sms_str) return NULL; - snprintf(sms_str, len, TOKEN_SMS_TEXT, subscr->imsi, token, + snprintf(sms_str, len, auth_token_sms_text, subscr->imsi, token, subscr->extension); sms_str[len-1] = '\0'; diff --git a/openbsc/src/osmo-nitb/bsc_hack.c b/openbsc/src/osmo-nitb/bsc_hack.c index 031cb99..9d552c2 100644 --- a/openbsc/src/osmo-nitb/bsc_hack.c +++ b/openbsc/src/osmo-nitb/bsc_hack.c @@ -67,6 +67,9 @@ static int use_db_counter = 1; #define DB_SYNC_INTERVAL 60, 0 #define EXPIRE_INTERVAL 10, 0 +/* for token auth */ +char * auth_token_sms_text = ""; + static struct osmo_timer_list db_sync_timer; static void create_pcap_file(char *file) @@ -322,6 +325,8 @@ int main(int argc, char **argv) } printf("DB: Database prepared.\n"); + auth_token_sms_text = db_get_text("auth_token_sms"); + /* setup the timer */ db_sync_timer.cb = db_sync_timer_cb; db_sync_timer.data = NULL; -- 2.1.1

2 4

Failing test suite (gbproxy)
by Ciaby 14 Nov '14

14 Nov '14

I'm trying to build debian packages of OpenBSC. The test suite is failing on the gbproxy test (core dump). Attached is the testsuite.log file. Cheers Ciaby

2 1

[PATCH] Fix debian packaging
by Ciaby 11 Nov '14

11 Nov '14

- Added debian/libosmosim0.install - Added libosmosim definition in debian/control --- debian/control | 6 ++++++ debian/libosmosim0.install | 1 + 2 files changed, 7 insertions(+) create mode 100644 debian/libosmosim0.install diff --git a/debian/control b/debian/control index cde3713..ccc7331 100644 --- a/debian/control +++ b/debian/control @@ -50,6 +50,12 @@ Architecture: any Depends: ${shlibs:Depends}, ${misc:Depends} Description: Osmo control library +Package: libosmosim0 +Section: libs +Architecture: any +Depends: ${shlibs:Depends}, ${misc:Depends} +Description: Osmo SIM library + Package: libosmocore-dev Section: libdevel Architecture: any diff --git a/debian/libosmosim0.install b/debian/libosmosim0.install new file mode 100644 index 0000000..8f29c4d --- /dev/null +++ b/debian/libosmosim0.install @@ -0,0 +1 @@ +usr/lib/libosmosim*.so.* -- 1.7.9.5

2 4

Possible crash/malfunction in the handover code
by Ciaby 10 Nov '14

10 Nov '14

We have been experiencing problems with osmo-nitb since we enabled handover. Sometimes osmo-nitb crashes, and our users have reported the fact that sometimes they end up listening to someone's else conversation. This started to happen since we enabled handover. This is the backtrace i got from a core dump of osmo-nitb: (gdb) bt #0 subscr_name (subscr=0x0) at gsm_subscriber_base.c:47 #1 0x00000000004079e3 in ho_gsm48_ho_compl (new_lchan=0x7fb1a80dd0b0) at handover_logic.c:259 #2 ho_logic_sig_cb (signal_data=<optimized out>, signal=<optimized out>, subsys=<optimized out>, handler_data=<optimized out>) at handover_logic.c:353 #3 ho_logic_sig_cb (subsys=<optimized out>, signal=<optimized out>, handler_data=<optimized out>, signal_data=<optimized out>) at handover_logic.c:335 #4 0x00007fb1a76dccec in osmo_signal_dispatch (subsys=4, signal=3, signal_data=0x7ffffe668090) at signal.c:105 #5 0x0000000000408d25 in handle_rr_ho_compl (msg=<optimized out>) at bsc_api.c:524 #6 dispatch_dtap (msg=0x2436980, link_id=<optimized out>, conn=0xc8e070) at bsc_api.c:583 #7 gsm0408_rcvmsg (msg=0x2436980, link_id=<optimized out>) at bsc_api.c:657 #8 0x000000000041fde1 in abis_rsl_rx_rll (msg=0x2436980) at abis_rsl.c:1682 #9 abis_rsl_rcvmsg (msg=0x2436980) at abis_rsl.c:2093 #10 0x00007fb1a74cce5a in handle_ts1_read (bfd=0x90d6b8) at input/ipaccess.c:469 #11 ipaccess_fd_cb (bfd=0x90d6b8, what=1) at input/ipaccess.c:603 #12 0x00007fb1a76dca11 in osmo_select_main (polling=0) at select.c:158 #13 0x0000000000406e34 in main (argc=<optimized out>, argv=0x7ffffe6684f8) at bsc_hack.c:354 Any clue about why this is happening? Cheers Ciaby

2 6

Possible crash/malfunction in the handover code
by Ciaby 10 Nov '14

10 Nov '14

1 0

[PATCH] bsc: Fix use-after-free on OML NM messages from the BTS
by Jacob Erlbeck 10 Nov '14

10 Nov '14

Currently the sign_link pointer is dereferenced after a call to osmo_signal_dispatch, which can indirectly call e1inp_sign_link_destroy. If that happens, accessing *sign_link is illegal and can lead to a segmentation violation. Since only the bts pointer is needed from sign_link after the call to osmo_signal_dispatch, this patch changes abis_nm_rcvmsg_fom to save that pointer to a local variable earlier. Addresses: <0019> input/ipa.c:250 accept()ed new link from 192.168.1.101 to port 3002 SET ATTR NACK CAUSE=Message cannot be performed <0005> bsc_init.c:52 Got a NACK going to drop the OML links. <001b> bsc_init.c:319 Lost some E1 TEI link: 1 0xb351a830 ================================================================= ==13198== ERROR: AddressSanitizer: heap-use-after-free on address 0xb5d1bc70 at pc 0x80a6e3d bp 0xbfbb33d8 sp 0xbfbb33cc Sponsored-by: On-Waves ehf --- openbsc/src/libbsc/abis_nm.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/openbsc/src/libbsc/abis_nm.c b/openbsc/src/libbsc/abis_nm.c index 3bf55ec..89ffea4 100644 --- a/openbsc/src/libbsc/abis_nm.c +++ b/openbsc/src/libbsc/abis_nm.c @@ -565,6 +565,8 @@ static int abis_nm_rcvmsg_fom(struct msgb *mb) struct abis_om_fom_hdr *foh = msgb_l3(mb); struct e1inp_sign_link *sign_link = mb->dst; uint8_t mt = foh->msg_type; + /* sign_link might get deleted via osmo_signal_dispatch -> save bts */ + struct gsm_bts *bts = sign_link->trx->bts; int ret = 0; /* check for unsolicited message */ @@ -593,7 +595,7 @@ static int abis_nm_rcvmsg_fom(struct msgb *mb) nack_data.mt = mt; nack_data.bts = sign_link->trx->bts; osmo_signal_dispatch(SS_NM, S_NM_NACK, &nack_data); - abis_nm_queue_send_next(sign_link->trx->bts); + abis_nm_queue_send_next(bts); return 0; } #if 0 @@ -636,7 +638,7 @@ static int abis_nm_rcvmsg_fom(struct msgb *mb) break; } - abis_nm_queue_send_next(sign_link->trx->bts); + abis_nm_queue_send_next(bts); return ret; } -- 1.9.1

1 0

[PATCH] bssgp: Fix VTY command 'show bssgp nsei N'
by Jacob Erlbeck 10 Nov '14

10 Nov '14

Currently this command segfaults (at least when ASAN is enabled), because when getting the NSEI the index to argv is wrong and out of bounds. This patch fixes the offset. Sponsored-by: On-Waves ehf --- src/gb/gprs_bssgp_vty.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/gb/gprs_bssgp_vty.c b/src/gb/gprs_bssgp_vty.c index 656c05e..88ae49f 100644 --- a/src/gb/gprs_bssgp_vty.c +++ b/src/gb/gprs_bssgp_vty.c @@ -135,7 +135,7 @@ DEFUN(show_bvc, show_bvc_cmd, "show bssgp nsei <0-65535> [stats]", "The NSEI\n" "Include Statistics\n") { struct bssgp_bvc_ctx *bvc; - uint16_t nsei = atoi(argv[1]); + uint16_t nsei = atoi(argv[0]); int show_stats = 0; if (argc >= 2) -- 1.9.1

1 0

[PATCH] Fix bunch of printf warnings
by Max 26 Oct '14

26 Oct '14

Signed-off-by: Max <max.suraev(a)fairwaves.co> --- openbsc/src/libbsc/bsc_api.c | 4 ++-- openbsc/src/libmgcp/mgcp_protocol.c | 2 +- openbsc/tests/abis/abis_test.c | 16 ++++++++-------- openbsc/tests/gbproxy/gbproxy_test.c | 16 ++++++++-------- 4 files changed, 19 insertions(+), 19 deletions(-) diff --git a/openbsc/src/libbsc/bsc_api.c b/openbsc/src/libbsc/bsc_api.c index 5ce0bc4..f4121de 100644 --- a/openbsc/src/libbsc/bsc_api.c +++ b/openbsc/src/libbsc/bsc_api.c @@ -416,7 +416,7 @@ static void handle_ass_compl(struct gsm_subscriber_connection *conn, gh = msgb_l3(msg); if (msgb_l3len(msg) - sizeof(*gh) != 1) { - LOGP(DMSC, LOGL_ERROR, "Assignment Compl invalid: %u\n", + LOGP(DMSC, LOGL_ERROR, "Assignment Compl invalid: %lu\n", msgb_l3len(msg) - sizeof(*gh)); return; } @@ -461,7 +461,7 @@ static void handle_ass_fail(struct gsm_subscriber_connection *conn, gh = msgb_l3(msg); if (msgb_l3len(msg) - sizeof(*gh) != 1) { - LOGP(DMSC, LOGL_ERROR, "assignemnt failure unhandled: %u\n", + LOGP(DMSC, LOGL_ERROR, "assignemnt failure unhandled: %lu\n", msgb_l3len(msg) - sizeof(*gh)); rr_failure = NULL; } else { diff --git a/openbsc/src/libmgcp/mgcp_protocol.c b/openbsc/src/libmgcp/mgcp_protocol.c index 79422fe..00315fb 100644 --- a/openbsc/src/libmgcp/mgcp_protocol.c +++ b/openbsc/src/libmgcp/mgcp_protocol.c @@ -308,7 +308,7 @@ static int write_response_sdp(struct mgcp_endpoint *endp, return len; buffer_too_small: - LOGP(DMGCP, LOGL_ERROR, "SDP buffer too small: %d (needed %d)\n", + LOGP(DMGCP, LOGL_ERROR, "SDP buffer too small: %zu (needed %d)\n", size, len); return -1; } diff --git a/openbsc/tests/abis/abis_test.c b/openbsc/tests/abis/abis_test.c index e7e78d2..f82740f 100644 --- a/openbsc/tests/abis/abis_test.c +++ b/openbsc/tests/abis/abis_test.c @@ -61,11 +61,11 @@ static void test_simple_sw_config(void) } if (descr[0].len != 13) { - printf("WRONG SIZE: %d\n", descr[0].len); + printf("WRONG SIZE: %zu\n", descr[0].len); abort(); } - printf("Start: %u len: %zu\n", descr[0].start - simple_config, descr[0].len); + printf("Start: %lu len: %zu\n", descr[0].start - simple_config, descr[0].len); printf("file_id: %s\n", osmo_hexdump(descr[0].file_id, descr[0].file_id_len)); printf("file_ver: %s\n", osmo_hexdump(descr[0].file_ver, descr[0].file_ver_len)); } @@ -99,20 +99,20 @@ static void test_dual_sw_config(void) } if (descr[0].len != 13) { - printf("WRONG SIZE0: %d\n", descr[0].len); + printf("WRONG SIZE0: %zu\n", descr[0].len); abort(); } if (descr[1].len != 13) { - printf("WRONG SIZE1: %d\n", descr[1].len); + printf("WRONG SIZE1: %zu\n", descr[1].len); abort(); } - printf("Start: %u len: %zu\n", descr[0].start - dual_config, descr[0].len); + printf("Start: %lu len: %zu\n", descr[0].start - dual_config, descr[0].len); printf("file_id: %s\n", osmo_hexdump(descr[0].file_id, descr[0].file_id_len)); printf("file_ver: %s\n", osmo_hexdump(descr[0].file_ver, descr[0].file_ver_len)); - printf("Start: %u len: %zu\n", descr[1].start - dual_config, descr[1].len); + printf("Start: %lu len: %zu\n", descr[1].start - dual_config, descr[1].len); printf("file_id: %s\n", osmo_hexdump(descr[1].file_id, descr[1].file_id_len)); printf("file_ver: %s\n", osmo_hexdump(descr[1].file_ver, descr[1].file_ver_len)); } @@ -129,11 +129,11 @@ static void test_sw_selection(void) abort(); } - printf("Start: %u len: %zu\n", descr[0].start - load_config, descr[0].len); + printf("Start: %lu len: %zu\n", descr[0].start - load_config, descr[0].len); printf("file_id: %s\n", osmo_hexdump(descr[0].file_id, descr[0].file_id_len)); printf("file_ver: %s\n", osmo_hexdump(descr[0].file_ver, descr[0].file_ver_len)); - printf("Start: %u len: %zu\n", descr[1].start - load_config, descr[1].len); + printf("Start: %lu len: %zu\n", descr[1].start - load_config, descr[1].len); printf("file_id: %s\n", osmo_hexdump(descr[1].file_id, descr[1].file_id_len)); printf("file_ver: %s\n", osmo_hexdump(descr[1].file_ver, descr[1].file_ver_len)); diff --git a/openbsc/tests/gbproxy/gbproxy_test.c b/openbsc/tests/gbproxy/gbproxy_test.c index 5aa301b..161f7fd 100644 --- a/openbsc/tests/gbproxy/gbproxy_test.c +++ b/openbsc/tests/gbproxy/gbproxy_test.c @@ -898,7 +898,7 @@ int gprs_ns_rcvmsg(struct gprs_ns_inst *nsi, struct msgb *msg, int gprs_ns_callback(enum gprs_ns_evt event, struct gprs_nsvc *nsvc, struct msgb *msg, uint16_t bvci) { - printf("CALLBACK, event %d, msg length %d, bvci 0x%04x\n%s\n\n", + printf("CALLBACK, event %d, msg length %zu, bvci 0x%04x\n%s\n\n", event, msgb_bssgp_len(msg), bvci, osmo_hexdump(msgb_l2(msg), msgb_l2len(msg))); @@ -925,15 +925,15 @@ ssize_t sendto(int sockfd, const void *buf, size_t len, int flags, real_sendto = dlsym(RTLD_NEXT, "sendto"); if (dest_host == REMOTE_BSS_ADDR) - printf("MESSAGE to BSS at 0x%08x:%d, msg length %d\n%s\n\n", + printf("MESSAGE to BSS at 0x%08x:%d, msg length %zu\n%s\n\n", dest_host, dest_port, len, osmo_hexdump(buf, len)); else if (dest_host == REMOTE_SGSN_ADDR) - printf("MESSAGE to SGSN at 0x%08x:%d, msg length %d\n%s\n\n", + printf("MESSAGE to SGSN at 0x%08x:%d, msg length %zu\n%s\n\n", dest_host, dest_port, len, osmo_hexdump(buf, len)); else if (dest_host == REMOTE_SGSN2_ADDR) - printf("MESSAGE to SGSN 2 at 0x%08x:%d, msg length %d\n%s\n\n", + printf("MESSAGE to SGSN 2 at 0x%08x:%d, msg length %zu\n%s\n\n", dest_host, dest_port, len, osmo_hexdump(buf, len)); else @@ -957,15 +957,15 @@ int gprs_ns_sendmsg(struct gprs_ns_inst *nsi, struct msgb *msg) if (nsei == SGSN_NSEI) printf("NS UNITDATA MESSAGE to SGSN, BVCI 0x%04x, " - "msg length %d (%s)\n", + "msg length %zu (%s)\n", bvci, len, __func__); else if (nsei == SGSN2_NSEI) printf("NS UNITDATA MESSAGE to SGSN 2, BVCI 0x%04x, " - "msg length %d (%s)\n", + "msg length %zu (%s)\n", bvci, len, __func__); else printf("NS UNITDATA MESSAGE to BSS, BVCI 0x%04x, " - "msg length %d (%s)\n", + "msg length %zu (%s)\n", bvci, len, __func__); if (received_messages) { @@ -1195,7 +1195,7 @@ static int gprs_process_message(struct gprs_ns_inst *nsi, const char *text, stru struct msgb *msg; int ret; if (data_len > NS_ALLOC_SIZE - NS_ALLOC_HEADROOM) { - fprintf(stderr, "message too long: %d\n", data_len); + fprintf(stderr, "message too long: %zu\n", data_len); return -1; } -- 1.9.1

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