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Harald Welte gerrit-no-reply at lists.osmocom.orgHarald Welte has submitted this change and it was merged. Change subject: sgsn: fix problem with leading-zero-IMSIs ...................................................................... sgsn: fix problem with leading-zero-IMSIs When the IMSI ACL is maintained via the VTY, users may enter IMSIs without leading zeros. Especially in test environments, where MCC=001 and MNC=01 is common, it is likely that someone enters the corresponding IMSI (001010000000001) without the two zeros at the beginning. This patch fixes the problem by sanitizing the IMSI, eventually missing zeros in the beginning will be automatically added. Change-Id: I56ba0da61978bbdce71d0e320166c52b20b42517 --- M openbsc/src/gprs/sgsn_vty.c 1 file changed, 11 insertions(+), 2 deletions(-) Approvals: Harald Welte: Looks good to me, approved Jenkins Builder: Verified diff --git a/openbsc/src/gprs/sgsn_vty.c b/openbsc/src/gprs/sgsn_vty.c index 6c8b640..d42a165 100644 --- a/openbsc/src/gprs/sgsn_vty.c +++ b/openbsc/src/gprs/sgsn_vty.c @@ -586,9 +586,19 @@ "Remove IMSI from ACL\n" "IMSI of subscriber\n") { + char imsi_sanitized[GSM23003_IMSI_MAX_DIGITS+1]; const char *op = argv[0]; - const char *imsi = argv[1]; + const char *imsi = imsi_sanitized; int rc; + + /* Sanitize IMSI */ + if (strlen(argv[1]) > GSM23003_IMSI_MAX_DIGITS) { + vty_out(vty, "%% IMSI (%s) too long -- ignored!%s", + argv[1], VTY_NEWLINE); + return CMD_WARNING; + } + memset(imsi_sanitized, '0', sizeof(imsi_sanitized)); + strcpy(imsi_sanitized+GSM23003_IMSI_MAX_DIGITS-strlen(argv[1]),argv[1]); if (!strcmp(op, "add")) rc = sgsn_acl_add(imsi, g_cfg); @@ -597,7 +607,6 @@ if (rc < 0) { vty_out(vty, "%% unable to %s ACL%s", op, VTY_NEWLINE); - return CMD_WARNING; } -- To view, visit https://gerrit.osmocom.org/1938 To unsubscribe, visit https://gerrit.osmocom.org/settings Gerrit-MessageType: merged Gerrit-Change-Id: I56ba0da61978bbdce71d0e320166c52b20b42517 Gerrit-PatchSet: 4 Gerrit-Project: openbsc Gerrit-Branch: master Gerrit-Owner: dexter <pmaier at sysmocom.de> Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org> Gerrit-Reviewer: Jenkins Builder