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srsLTE
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Fixes coverity 262740

This commit is contained in:
Alejandro Leal Conejos 2021-10-27 16:26:38 +02:00 committed by Ismael Gomez
parent f3be849d6b
commit ca7a377878
1 changed files with 63 additions and 64 deletions
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127
lib/src/asn1/liblte_mme.cc
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@ -5905,72 +5905,71 @@ LIBLTE_ERROR_ENUM liblte_mme_pack_emm_information_msg(LIBLTE_MME_EMM_INFORMATION
LIBLTE_ERROR_ENUM liblte_mme_unpack_emm_information_msg(LIBLTE_BYTE_MSG_STRUCT* msg,
LIBLTE_MME_EMM_INFORMATION_MSG_STRUCT* emm_info)
{
LIBLTE_ERROR_ENUM err = LIBLTE_ERROR_INVALID_INPUTS;
uint8* msg_ptr = msg->msg;
uint8* msg_end = msg->msg + msg->N_bytes;
uint8 sec_hdr_type;
if (msg != NULL && emm_info != NULL) {
// Security Header Type
sec_hdr_type = (msg->msg[0] & 0xF0) >> 4;
if (LIBLTE_MME_SECURITY_HDR_TYPE_PLAIN_NAS == sec_hdr_type) {
msg_ptr++;
} else {
msg_ptr += 7;
}
// Skip Message Type
msg_ptr++;
// Full Name For Network
if (LIBLTE_MME_FULL_NAME_FOR_NETWORK_IEI == *msg_ptr) {
msg_ptr++;
liblte_mme_unpack_network_name_ie(&msg_ptr, &emm_info->full_net_name);
emm_info->full_net_name_present = true;
} else {
emm_info->full_net_name_present = false;
}
// Short Name For Network
if (msg_ptr < msg_end && LIBLTE_MME_SHORT_NAME_FOR_NETWORK_IEI == *msg_ptr) {
msg_ptr++;
liblte_mme_unpack_network_name_ie(&msg_ptr, &emm_info->short_net_name);
emm_info->short_net_name_present = true;
} else {
emm_info->short_net_name_present = false;
}
// Local Time Zone
if (msg_ptr < msg_end && LIBLTE_MME_LOCAL_TIME_ZONE_IEI == *msg_ptr) {
msg_ptr++;
liblte_mme_unpack_time_zone_ie(&msg_ptr, &emm_info->local_time_zone);
emm_info->local_time_zone_present = true;
} else {
emm_info->local_time_zone_present = false;
}
// Universal Time And Local Time Zone
if (msg_ptr < msg_end && LIBLTE_MME_UNIVERSAL_TIME_AND_LOCAL_TIME_ZONE_IEI == *msg_ptr) {
msg_ptr++;
liblte_mme_unpack_time_zone_and_time_ie(&msg_ptr, &emm_info->utc_and_local_time_zone);
emm_info->utc_and_local_time_zone_present = true;
} else {
emm_info->utc_and_local_time_zone_present = false;
}
// Network Daylight Saving Time
if (msg_ptr < msg_end && LIBLTE_MME_NETWORK_DAYLIGHT_SAVING_TIME_IEI == *msg_ptr) {
msg_ptr++;
liblte_mme_unpack_daylight_saving_time_ie(&msg_ptr, &emm_info->net_dst);
emm_info->net_dst_present = true;
} else {
emm_info->net_dst_present = false;
}
err = LIBLTE_SUCCESS;
if (!msg || !emm_info) {
return LIBLTE_ERROR_INVALID_INPUTS;
}
return (err);
uint8* msg_ptr = msg->msg;
uint8* msg_end = msg->msg + msg->N_bytes;
uint8 sec_hdr_type;
// Security Header Type
sec_hdr_type = (msg->msg[0] & 0xF0) >> 4;
if (LIBLTE_MME_SECURITY_HDR_TYPE_PLAIN_NAS == sec_hdr_type) {
msg_ptr++;
} else {
msg_ptr += 7;
}
// Skip Message Type
msg_ptr++;
// Full Name For Network
if (LIBLTE_MME_FULL_NAME_FOR_NETWORK_IEI == *msg_ptr) {
msg_ptr++;
liblte_mme_unpack_network_name_ie(&msg_ptr, &emm_info->full_net_name);
emm_info->full_net_name_present = true;
} else {
emm_info->full_net_name_present = false;
}
// Short Name For Network
if (msg_ptr < msg_end && LIBLTE_MME_SHORT_NAME_FOR_NETWORK_IEI == *msg_ptr) {
msg_ptr++;
liblte_mme_unpack_network_name_ie(&msg_ptr, &emm_info->short_net_name);
emm_info->short_net_name_present = true;
} else {
emm_info->short_net_name_present = false;
}
// Local Time Zone
if (msg_ptr < msg_end && LIBLTE_MME_LOCAL_TIME_ZONE_IEI == *msg_ptr) {
msg_ptr++;
liblte_mme_unpack_time_zone_ie(&msg_ptr, &emm_info->local_time_zone);
emm_info->local_time_zone_present = true;
} else {
emm_info->local_time_zone_present = false;
}
// Universal Time And Local Time Zone
if (msg_ptr < msg_end && LIBLTE_MME_UNIVERSAL_TIME_AND_LOCAL_TIME_ZONE_IEI == *msg_ptr) {
msg_ptr++;
liblte_mme_unpack_time_zone_and_time_ie(&msg_ptr, &emm_info->utc_and_local_time_zone);
emm_info->utc_and_local_time_zone_present = true;
} else {
emm_info->utc_and_local_time_zone_present = false;
}
// Network Daylight Saving Time
if (msg_ptr < msg_end && LIBLTE_MME_NETWORK_DAYLIGHT_SAVING_TIME_IEI == *msg_ptr) {
msg_ptr++;
liblte_mme_unpack_daylight_saving_time_ie(&msg_ptr, &emm_info->net_dst);
emm_info->net_dst_present = true;
} else {
emm_info->net_dst_present = false;
}
return LIBLTE_SUCCESS;
}
/*********************************************************************