fix strncpy() invocation in vty_interface_layer3.c and 3 tests
Use osmo_strlcpy() to fix unsafe invocation of strncpy(), which potentially left the result unterminated. Change-Id: I1a119b1760a3e3262538b4b012d476fdce505482
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@ -7,6 +7,7 @@
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#include <osmocom/core/msgb.h>
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#include <osmocom/core/select.h>
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#include <osmocom/core/application.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/gsm/gsup.h>
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#include <openbsc/gsup_client.h>
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@ -108,7 +109,7 @@ int req_auth_info(const char *imsi)
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struct osmo_gsup_message gsup = {0};
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struct msgb *msg = msgb_alloc_headroom(1200, 200, __func__);
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strncpy(gsup.imsi, io->imsi, sizeof(gsup.imsi));
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osmo_strlcpy(gsup.imsi, io->imsi, sizeof(gsup.imsi));
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gsup.message_type = OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST;
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osmo_gsup_encode(msg, &gsup);
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@ -123,7 +124,7 @@ int req_loc_upd(const char *imsi)
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struct osmo_gsup_message gsup = {0};
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struct msgb *msg = msgb_alloc_headroom(1200, 200, __func__);
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strncpy(gsup.imsi, io->imsi, sizeof(gsup.imsi));
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osmo_strlcpy(gsup.imsi, io->imsi, sizeof(gsup.imsi));
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gsup.message_type = OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST;
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osmo_gsup_encode(msg, &gsup);
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@ -136,7 +137,7 @@ int resp_isd(struct imsi_op *io)
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struct osmo_gsup_message gsup = {0};
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struct msgb *msg = msgb_alloc_headroom(1200, 200, __func__);
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strncpy(gsup.imsi, io->imsi, sizeof(gsup.imsi));
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osmo_strlcpy(gsup.imsi, io->imsi, sizeof(gsup.imsi));
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gsup.message_type = OSMO_GSUP_MSGT_INSERT_DATA_RESULT;
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osmo_gsup_encode(msg, &gsup);
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@ -601,7 +601,7 @@ DEFUN(ena_subscr_extension,
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return CMD_WARNING;
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}
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strncpy(subscr->extension, ext, sizeof(subscr->extension));
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osmo_strlcpy(subscr->extension, ext, sizeof(subscr->extension));
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db_sync_subscriber(subscr);
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subscr_put(subscr);
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@ -25,6 +25,7 @@
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#include <osmocom/core/application.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/core/utils.h>
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#include <string.h>
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#include <limits.h>
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#include <dlfcn.h>
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@ -54,7 +55,7 @@ static void test_strline(void)
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char buf[2048];
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int counter = 0;
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strncpy(buf, strline_test_data, sizeof(buf));
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osmo_strlcpy(buf, strline_test_data, sizeof(buf));
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for (line = strline_r(buf, &save); line;
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line = strline_r(NULL, &save)) {
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@ -36,6 +36,7 @@
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#include <osmocom/core/application.h>
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#include <osmocom/core/msgb.h>
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#include <osmocom/core/rate_ctr.h>
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#include <osmocom/core/utils.h>
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#include <stdio.h>
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@ -1292,7 +1293,7 @@ int my_gsup_client_send(struct gsup_client *gsupc, struct msgb *msg)
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rc = osmo_gsup_decode(msgb_data(msg), msgb_length(msg), &to_peer);
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OSMO_ASSERT(rc >= 0);
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OSMO_ASSERT(to_peer.imsi[0] != 0);
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strncpy(from_peer.imsi, to_peer.imsi, sizeof(from_peer.imsi));
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osmo_strlcpy(from_peer.imsi, to_peer.imsi, sizeof(from_peer.imsi));
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/* This invalidates the pointers in to_peer */
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msgb_free(msg);
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