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fix mem leaks

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This commit is contained in:
iceman1001 2019-02-25 19:10:37 +01:00
commit 8c6312e209
1 changed files with 13 additions and 5 deletions
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16
client/emv/cmdemv.c
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@ -253,6 +253,7 @@ int CmdEMVGPO(const char *cmd) {
// calc PDOL // calc PDOL
struct tlv *pdol_data_tlv = NULL; struct tlv *pdol_data_tlv = NULL;
struct tlvdb *tmp_ext = NULL;
struct tlv data_tlv = { struct tlv data_tlv = {
.tag = 0x83, .tag = 0x83,
.len = datalen, .len = datalen,
@ -266,7 +267,7 @@ int CmdEMVGPO(const char *cmd) {
ParamLoadFromJson(tlvRoot); ParamLoadFromJson(tlvRoot);
}; };
struct tlvdb *tmp_ext = tlvdb_external(0x9f38, datalen, data); tmp_ext = tlvdb_external(0x9f38, datalen, data);
pdol_data_tlv = dol_process((const struct tlv *)tmp_ext, tlvRoot, 0x83); pdol_data_tlv = dol_process((const struct tlv *)tmp_ext, tlvRoot, 0x83);
if (!pdol_data_tlv){ if (!pdol_data_tlv){
PrintAndLogEx(ERR, "Can't create PDOL TLV."); PrintAndLogEx(ERR, "Can't create PDOL TLV.");
@ -285,8 +286,8 @@ int CmdEMVGPO(const char *cmd) {
unsigned char *pdol_data_tlv_data = tlv_encode(pdol_data_tlv, &pdol_data_tlv_data_len); unsigned char *pdol_data_tlv_data = tlv_encode(pdol_data_tlv, &pdol_data_tlv_data_len);
if (!pdol_data_tlv_data) { if (!pdol_data_tlv_data) {
PrintAndLogEx(ERR, "Can't create PDOL data."); PrintAndLogEx(ERR, "Can't create PDOL data.");
tlvdb_free(tmp_ext);
tlvdb_free(tlvRoot); tlvdb_free(tlvRoot);
free(pdol_data_tlv);
return 4; return 4;
} }
PrintAndLogEx(INFO, "PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len)); PrintAndLogEx(INFO, "PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len));
@ -300,6 +301,7 @@ int CmdEMVGPO(const char *cmd) {
if (pdol_data_tlv != &data_tlv) if (pdol_data_tlv != &data_tlv)
free(pdol_data_tlv); free(pdol_data_tlv);
tlvdb_free(tmp_ext);
tlvdb_free(tlvRoot); tlvdb_free(tlvRoot);
if (sw) if (sw)
@ -434,6 +436,7 @@ int CmdEMVAC(const char *cmd) {
// calc CDOL // calc CDOL
struct tlv *cdol_data_tlv = NULL; struct tlv *cdol_data_tlv = NULL;
struct tlvdb *tmp_ext = NULL;
struct tlv data_tlv = { struct tlv data_tlv = {
.tag = 0x01, .tag = 0x01,
.len = datalen, .len = datalen,
@ -448,7 +451,7 @@ int CmdEMVAC(const char *cmd) {
ParamLoadFromJson(tlvRoot); ParamLoadFromJson(tlvRoot);
}; };
struct tlvdb *tmp_ext = tlvdb_external(0x8c, datalen, data); tmp_ext = tlvdb_external(0x8c, datalen, data);
cdol_data_tlv = dol_process((const struct tlv *)tmp_ext, tlvRoot, 0x01); // 0x01 - dummy tag cdol_data_tlv = dol_process((const struct tlv *)tmp_ext, tlvRoot, 0x01); // 0x01 - dummy tag
if (!cdol_data_tlv){ if (!cdol_data_tlv){
PrintAndLogEx(ERR, "Can't create CDOL TLV."); PrintAndLogEx(ERR, "Can't create CDOL TLV.");
@ -473,6 +476,8 @@ int CmdEMVAC(const char *cmd) {
if (cdol_data_tlv != &data_tlv) if (cdol_data_tlv != &data_tlv)
free(cdol_data_tlv); free(cdol_data_tlv);
tlvdb_free(tmp_ext);
tlvdb_free(tlvRoot); tlvdb_free(tlvRoot);
if (sw) if (sw)
@ -578,6 +583,7 @@ int CmdEMVInternalAuthenticate(const char *cmd) {
// calc DDOL // calc DDOL
struct tlv *ddol_data_tlv = NULL; struct tlv *ddol_data_tlv = NULL;
struct tlvdb *tmp_ext = NULL;
struct tlv data_tlv = { struct tlv data_tlv = {
.tag = 0x01, .tag = 0x01,
.len = datalen, .len = datalen,
@ -592,7 +598,7 @@ int CmdEMVInternalAuthenticate(const char *cmd) {
ParamLoadFromJson(tlvRoot); ParamLoadFromJson(tlvRoot);
}; };
struct tlvdb *tmp_ext = tlvdb_external(0x9f49, datalen, data); tmp_ext = tlvdb_external(0x9f49, datalen, data);
ddol_data_tlv = dol_process((const struct tlv *)tmp_ext, tlvRoot, 0x01); // 0x01 - dummy tag ddol_data_tlv = dol_process((const struct tlv *)tmp_ext, tlvRoot, 0x01); // 0x01 - dummy tag
if (!ddol_data_tlv){ if (!ddol_data_tlv){
PrintAndLogEx(ERR, "Can't create DDOL TLV."); PrintAndLogEx(ERR, "Can't create DDOL TLV.");
@ -617,6 +623,8 @@ int CmdEMVInternalAuthenticate(const char *cmd) {
if (ddol_data_tlv != &data_tlv) if (ddol_data_tlv != &data_tlv)
free(ddol_data_tlv); free(ddol_data_tlv);
tlvdb_free(tmp_ext);
tlvdb_free(tlvRoot); tlvdb_free(tlvRoot);
if (sw) if (sw)