iasecc: coverity scan warning OVERRUN-STATIC
CID 402562: Out-of-bounds read (OVERRUN_STATIC)
This commit is contained in:
Viktor Tarasov
parent
12dcf13236
commit
aa46a210fc
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@ -1,9 +1,9 @@
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/*
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* iasecc-sdo.c: library to manipulate the Security Data Objects (SDO)
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* used by IAS/ECC card support.
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* used by IAS/ECC card support.
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*
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* Copyright (C) 2010 Viktor Tarasov <vtarasov@opentrust.com>
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* OpenTrust <www.opentrust.com>
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* OpenTrust <www.opentrust.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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@ -44,7 +44,7 @@ iasecc_parse_acls(struct sc_card *card, struct iasecc_sdo_docp *docp, int flags)
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{
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struct sc_context *ctx = card->ctx;
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struct iasecc_extended_tlv *acls = &docp->acls_contact;
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int ii, offs;
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int ii, offs;
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unsigned char mask = 0x40;
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if (flags)
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@ -67,15 +67,15 @@ iasecc_parse_acls(struct sc_card *card, struct iasecc_sdo_docp *docp, int flags)
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int
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iasecc_sdo_convert_acl(struct sc_card *card, struct iasecc_sdo *sdo,
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iasecc_sdo_convert_acl(struct sc_card *card, struct iasecc_sdo *sdo,
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unsigned char op, unsigned *out_method, unsigned *out_ref)
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{
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struct sc_context *ctx = card->ctx;
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struct acl_op {
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unsigned char op;
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unsigned char mask;
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} ops[] = {
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{SC_AC_OP_PSO_COMPUTE_SIGNATURE,IASECC_ACL_PSO_SIGNATURE},
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} ops[] = {
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{SC_AC_OP_PSO_COMPUTE_SIGNATURE,IASECC_ACL_PSO_SIGNATURE},
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{SC_AC_OP_INTERNAL_AUTHENTICATE,IASECC_ACL_INTERNAL_AUTHENTICATE},
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{SC_AC_OP_PSO_DECRYPT, IASECC_ACL_PSO_DECIPHER},
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{SC_AC_OP_GENERATE, IASECC_ACL_GENERATE_KEY},
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@ -127,20 +127,20 @@ iasecc_sdo_convert_acl(struct sc_card *card, struct iasecc_sdo *sdo,
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*out_method = SC_AC_AUT;
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else if ((scb & IASECC_SCB_METHOD_MASK) == IASECC_SCB_METHOD_SM)
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*out_method = SC_AC_PRO;
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else
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else
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*out_method = SC_AC_SCB, *out_ref = scb;
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break;
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}
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}
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}
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sc_log(ctx, "returns method %X; ref %X", *out_method, *out_ref);
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LOG_FUNC_RETURN(ctx, SC_SUCCESS);
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}
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void
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void
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iasecc_sdo_free_fields(struct sc_card *card, struct iasecc_sdo *sdo)
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{
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if (sdo->docp.tries_remaining.value)
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@ -194,7 +194,8 @@ iasecc_sdo_free_fields(struct sc_card *card, struct iasecc_sdo *sdo)
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}
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}
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void
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void
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iasecc_sdo_free(struct sc_card *card, struct iasecc_sdo *sdo)
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{
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iasecc_sdo_free_fields(card, sdo);
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@ -202,7 +203,7 @@ iasecc_sdo_free(struct sc_card *card, struct iasecc_sdo *sdo)
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}
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static int
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static int
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iasecc_crt_parse(struct sc_card *card, unsigned char *data, struct iasecc_se_info *se)
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{
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struct sc_context *ctx = card->ctx;
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@ -238,11 +239,11 @@ iasecc_crt_parse(struct sc_card *card, unsigned char *data, struct iasecc_se_inf
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}
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}
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for (ii=0; ii<IASECC_SE_CRTS_MAX; ii++)
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for (ii=0; ii<SC_MAX_CRTS_IN_SE; ii++)
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if (!se->crts[ii].tag)
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break;
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if (ii==IASECC_SE_CRTS_MAX)
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if (ii==SC_MAX_CRTS_IN_SE)
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LOG_TEST_RET(ctx, SC_ERROR_UNKNOWN_DATA_RECEIVED, "iasecc_crt_parse() error: too much CRTs in SE");
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memcpy(&se->crts[ii], &crt, sizeof(crt));
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@ -260,10 +261,10 @@ iasecc_se_get_crt(struct sc_card *card, struct iasecc_se_info *se, struct sc_crt
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LOG_FUNC_CALLED(ctx);
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if (!se || !crt)
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LOG_FUNC_RETURN(ctx, SC_ERROR_INVALID_ARGUMENTS);
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sc_log(ctx, "CRT search template: %X:%X:%X, refs %X:%X:...",
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sc_log(ctx, "CRT search template: %X:%X:%X, refs %X:%X:...",
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crt->tag, crt->algo, crt->usage, crt->refs[0], crt->refs[1]);
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for (ii=0; ii<IASECC_SE_CRTS_MAX && se->crts[ii].tag; ii++) {
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for (ii=0; ii<SC_MAX_CRTS_IN_SE && se->crts[ii].tag; ii++) {
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if (crt->tag != se->crts[ii].tag)
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continue;
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if (crt->algo && crt->algo != se->crts[ii].algo)
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@ -275,7 +276,7 @@ iasecc_se_get_crt(struct sc_card *card, struct iasecc_se_info *se, struct sc_crt
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memcpy(crt, &se->crts[ii], sizeof(*crt));
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sc_log(ctx, "iasecc_se_get_crt() found CRT with refs %X:%X:...",
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sc_log(ctx, "iasecc_se_get_crt() found CRT with refs %X:%X:...",
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se->crts[ii].refs[0], se->crts[ii].refs[1]);
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LOG_FUNC_RETURN(ctx, SC_SUCCESS);
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}
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@ -286,7 +287,7 @@ iasecc_se_get_crt(struct sc_card *card, struct iasecc_se_info *se, struct sc_crt
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int
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iasecc_se_get_crt_by_usage(struct sc_card *card, struct iasecc_se_info *se, unsigned char tag,
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iasecc_se_get_crt_by_usage(struct sc_card *card, struct iasecc_se_info *se, unsigned char tag,
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unsigned char usage, struct sc_crt *crt)
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{
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struct sc_context *ctx = card->ctx;
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@ -297,7 +298,7 @@ iasecc_se_get_crt_by_usage(struct sc_card *card, struct iasecc_se_info *se, unsi
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LOG_FUNC_RETURN(ctx, SC_ERROR_INVALID_ARGUMENTS);
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sc_log(ctx, "CRT search template with TAG:0x%X and UQB:0x%X", tag, usage);
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for (ii=0; ii<IASECC_SE_CRTS_MAX && se->crts[ii].tag; ii++) {
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for (ii=0; ii<SC_MAX_CRTS_IN_SE && se->crts[ii].tag; ii++) {
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if (tag != se->crts[ii].tag)
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continue;
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if (usage != se->crts[ii].usage)
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@ -314,7 +315,7 @@ iasecc_se_get_crt_by_usage(struct sc_card *card, struct iasecc_se_info *se, unsi
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}
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int
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int
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iasecc_se_parse(struct sc_card *card, unsigned char *data, size_t data_len, struct iasecc_se_info *se)
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{
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struct sc_context *ctx = card->ctx;
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@ -358,7 +359,7 @@ iasecc_se_parse(struct sc_card *card, unsigned char *data, size_t data_len, stru
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if (data_len != size + size_size + 1)
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LOG_TEST_RET(ctx, SC_ERROR_INVALID_DATA, "parse error: invalide SE data size");
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offs = 1 + size_size;
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for (; offs < data_len;) {
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rv = iasecc_crt_parse(card, data + offs, se);
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@ -374,7 +375,7 @@ iasecc_se_parse(struct sc_card *card, unsigned char *data, size_t data_len, stru
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}
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static int
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static int
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iasecc_parse_size(unsigned char *data, size_t *out)
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{
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if (*data < 0x80) {
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@ -394,7 +395,7 @@ iasecc_parse_size(unsigned char *data, size_t *out)
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}
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static int
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static int
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iasecc_parse_get_tlv(struct sc_card *card, unsigned char *data, struct iasecc_extended_tlv *tlv)
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{
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struct sc_context *ctx = card->ctx;
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@ -410,7 +411,7 @@ iasecc_parse_get_tlv(struct sc_card *card, unsigned char *data, struct iasecc_ex
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tlv->tag = *data;
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tag_len = 1;
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}
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sc_log(ctx, "iasecc_parse_get_tlv() tlv->tag 0x%X", tlv->tag);
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size_len = iasecc_parse_size(data + tag_len, &tlv->size);
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LOG_TEST_RET(ctx, size_len, "parse error: invalid size data");
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@ -427,7 +428,7 @@ iasecc_parse_get_tlv(struct sc_card *card, unsigned char *data, struct iasecc_ex
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}
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static int
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static int
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iasecc_parse_chv(struct sc_card *card, unsigned char *data, size_t data_len, struct iasecc_sdo_chv *chv)
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{
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struct sc_context *ctx = card->ctx;
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@ -459,7 +460,7 @@ iasecc_parse_chv(struct sc_card *card, unsigned char *data, size_t data_len, str
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}
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static int
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static int
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iasecc_parse_prvkey(struct sc_card *card, unsigned char *data, size_t data_len, struct iasecc_sdo_prvkey *prvkey)
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{
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struct sc_context *ctx = card->ctx;
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@ -487,7 +488,7 @@ iasecc_parse_prvkey(struct sc_card *card, unsigned char *data, size_t data_len,
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}
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static int
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static int
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iasecc_parse_pubkey(struct sc_card *card, unsigned char *data, size_t data_len, struct iasecc_sdo_pubkey *pubkey)
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{
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struct sc_context *ctx = card->ctx;
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@ -523,7 +524,7 @@ iasecc_parse_pubkey(struct sc_card *card, unsigned char *data, size_t data_len,
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}
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static int
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static int
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iasecc_parse_keyset(struct sc_card *card, unsigned char *data, size_t data_len, struct iasecc_sdo_keyset *keyset)
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{
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struct sc_context *ctx = card->ctx;
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@ -551,7 +552,7 @@ iasecc_parse_keyset(struct sc_card *card, unsigned char *data, size_t data_len,
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}
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static int
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static int
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iasecc_parse_docp(struct sc_card *card, unsigned char *data, size_t data_len, struct iasecc_sdo *sdo)
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{
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struct sc_context *ctx = card->ctx;
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@ -613,7 +614,7 @@ iasecc_parse_docp(struct sc_card *card, unsigned char *data, size_t data_len, st
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}
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static int
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static int
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iasecc_sdo_parse_data(struct sc_card *card, unsigned char *data, struct iasecc_sdo *sdo)
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{
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struct sc_context *ctx = card->ctx;
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@ -691,7 +692,7 @@ iasecc_sdo_parse_data(struct sc_card *card, unsigned char *data, struct iasecc_s
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}
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int
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int
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iasecc_sdo_parse(struct sc_card *card, unsigned char *data, size_t data_len, struct iasecc_sdo *sdo)
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{
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struct sc_context *ctx = card->ctx;
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@ -723,7 +724,7 @@ iasecc_sdo_parse(struct sc_card *card, unsigned char *data, size_t data_len, str
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if (data_len != size + size_size + 3)
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LOG_TEST_RET(ctx, SC_ERROR_INVALID_DATA, "parse error: invalide SDO data size");
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sc_log(ctx, "sz %i, sz_size %i", size, size_size);
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offs = 3 + size_size;
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@ -743,8 +744,8 @@ iasecc_sdo_parse(struct sc_card *card, unsigned char *data, size_t data_len, str
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}
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int
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iasecc_sdo_allocate_and_parse(struct sc_card *card, unsigned char *data, size_t data_len,
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int
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iasecc_sdo_allocate_and_parse(struct sc_card *card, unsigned char *data, size_t data_len,
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struct iasecc_sdo **out)
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{
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struct sc_context *ctx = card->ctx;
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@ -757,7 +758,7 @@ iasecc_sdo_allocate_and_parse(struct sc_card *card, unsigned char *data, size_t
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if (*data != IASECC_SDO_TAG_HEADER)
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LOG_FUNC_RETURN(ctx, SC_ERROR_INVALID_DATA);
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if (data_len < 3)
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if (data_len < 3)
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LOG_FUNC_RETURN(ctx, SC_ERROR_INVALID_DATA);
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sdo = calloc(1, sizeof(struct iasecc_sdo));
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@ -778,7 +779,7 @@ iasecc_sdo_allocate_and_parse(struct sc_card *card, unsigned char *data, size_t
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if (data_len != size + size_size + 3)
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LOG_TEST_RET(ctx, SC_ERROR_INVALID_DATA, "parse error: invalide SDO data size");
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sc_log(ctx, "sz %i, sz_size %i", size, size_size);
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offs = 3 + size_size;
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@ -811,7 +812,7 @@ iasecc_update_blob(struct sc_context *ctx, struct iasecc_extended_tlv *tlv,
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LOG_FUNC_RETURN(ctx, SC_SUCCESS);
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sz = tlv->size + 2;
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if (tlv->tag > 0xFF)
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sz += 1;
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@ -819,11 +820,11 @@ iasecc_update_blob(struct sc_context *ctx, struct iasecc_extended_tlv *tlv,
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sz += 1;
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else if (tlv->size >= 0x100)
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sz += 2;
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pp = realloc(*blob, *blob_size + sz);
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if (!pp)
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LOG_FUNC_RETURN(ctx, SC_ERROR_MEMORY_FAILURE);
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if (tlv->tag > 0xFF)
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*(pp + *blob_size + offs++) = (tlv->tag >> 8) & 0xFF;
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*(pp + *blob_size + offs++) = tlv->tag & 0xFF;
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@ -853,7 +854,7 @@ iasecc_encode_docp(struct sc_context *ctx, struct iasecc_sdo_docp *docp, unsigne
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unsigned char *st_blob, *tmp_blob, *docp_blob;
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size_t blob_size;
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int rv;
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LOG_FUNC_CALLED(ctx);
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if (!docp->acls_contact.size || (docp->size.size != 2))
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LOG_FUNC_RETURN(ctx, SC_ERROR_INVALID_DATA);
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@ -955,7 +956,7 @@ iasecc_sdo_encode_create(struct sc_context *ctx, struct iasecc_sdo *sdo, unsigne
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};
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struct sc_asn1_entry c_asn1_create_data[2] = {
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{ "createData", SC_ASN1_STRUCT, SC_ASN1_TAG_SEQUENCE | SC_ASN1_APP | SC_ASN1_CONS, 0, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL }
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{ NULL, 0, 0, 0, NULL, NULL }
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};
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struct sc_asn1_entry asn1_docp_data[2], asn1_create_data[2];
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unsigned char *blob = NULL;
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@ -990,7 +991,7 @@ iasecc_sdo_encode_create(struct sc_context *ctx, struct iasecc_sdo *sdo, unsigne
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}
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int
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int
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iasecc_sdo_encode_update_field(struct sc_context *ctx, unsigned char sdo_class, unsigned char sdo_ref,
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struct iasecc_extended_tlv *tlv, unsigned char **out)
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{
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@ -1000,19 +1001,19 @@ iasecc_sdo_encode_update_field(struct sc_context *ctx, unsigned char sdo_class,
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struct sc_asn1_entry c_asn1_field_value[2] = {
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{ "fieldValue", SC_ASN1_OCTET_STRING, 0, SC_ASN1_ALLOC, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL }
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{ NULL, 0, 0, 0, NULL, NULL }
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};
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struct sc_asn1_entry c_asn1_sdo_field[2] = {
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{ "sdoField", SC_ASN1_STRUCT, 0, 0, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL }
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{ NULL, 0, 0, 0, NULL, NULL }
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};
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struct sc_asn1_entry c_asn1_class_data[2] = {
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{ "classData", SC_ASN1_STRUCT, 0, 0, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL }
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{ NULL, 0, 0, 0, NULL, NULL }
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};
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struct sc_asn1_entry c_asn1_update_data[2] = {
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{ "updateData", SC_ASN1_STRUCT, SC_ASN1_TAG_SEQUENCE | SC_ASN1_APP | SC_ASN1_CONS, 0, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL }
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{ NULL, 0, 0, 0, NULL, NULL }
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};
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struct sc_asn1_entry asn1_field_value[4], asn1_sdo_field[2], asn1_class_data[2], asn1_update_data[2];
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@ -1036,14 +1037,14 @@ iasecc_sdo_encode_update_field(struct sc_context *ctx, unsigned char sdo_class,
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rv = sc_asn1_encode(ctx, asn1_update_data, out, &out_len);
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LOG_TEST_RET(ctx, rv, "Encode update data error");
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sc_debug(ctx, SC_LOG_DEBUG_ASN1,"Data: %s", sc_dump_hex(tlv->value, tlv->size));
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sc_debug(ctx, SC_LOG_DEBUG_ASN1,"Encoded: %s", sc_dump_hex(*out, out_len));
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LOG_FUNC_RETURN(ctx, out_len);
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}
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int
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int
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iasecc_sdo_encode_rsa_update(struct sc_context *ctx, struct iasecc_sdo *sdo, struct sc_pkcs15_prkey_rsa *rsa,
|
||||
struct iasecc_sdo_update *sdo_update)
|
||||
{
|
||||
|
|
@ -1055,7 +1056,7 @@ iasecc_sdo_encode_rsa_update(struct sc_context *ctx, struct iasecc_sdo *sdo, str
|
|||
int indx = 0;
|
||||
|
||||
sc_log(ctx, "iasecc_sdo_encode_rsa_update(IASECC_SDO_CLASS_RSA_PRIVATE)");
|
||||
if (!rsa->p.len || !rsa->q.len || !rsa->iqmp.len || !rsa->dmp1.len || !rsa->dmq1.len)
|
||||
if (!rsa->p.len || !rsa->q.len || !rsa->iqmp.len || !rsa->dmp1.len || !rsa->dmq1.len)
|
||||
LOG_TEST_RET(ctx, SC_ERROR_INVALID_DATA, "need all private RSA key components");
|
||||
|
||||
sdo_update->magic = SC_CARDCTL_IASECC_SDO_MAGIC_PUT_DATA;
|
||||
|
|
@ -1096,7 +1097,7 @@ iasecc_sdo_encode_rsa_update(struct sc_context *ctx, struct iasecc_sdo *sdo, str
|
|||
sc_log(ctx, "prv_key.compulsory.on_card %i", sdo->data.prv_key.compulsory.on_card);
|
||||
if (!sdo->data.prv_key.compulsory.on_card) {
|
||||
if (sdo->data.prv_key.compulsory.value) {
|
||||
sc_log(ctx, "sdo_prvkey->data.prv_key.compulsory.size %i", sdo->data.prv_key.compulsory.size);
|
||||
sc_log(ctx, "sdo_prvkey->data.prv_key.compulsory.size %i", sdo->data.prv_key.compulsory.size);
|
||||
sdo_update->fields[indx].parent_tag = IASECC_SDO_PRVKEY_TAG;
|
||||
sdo_update->fields[indx].tag = IASECC_SDO_PRVKEY_TAG_COMPULSORY;
|
||||
sdo_update->fields[indx].value = sdo->data.prv_key.compulsory.value;
|
||||
|
|
@ -1145,7 +1146,7 @@ iasecc_sdo_encode_rsa_update(struct sc_context *ctx, struct iasecc_sdo *sdo, str
|
|||
indx++;
|
||||
}
|
||||
|
||||
/* For ECC card 'compulsory' flag should be already here */
|
||||
/* For ECC card 'compulsory' flag should be already here */
|
||||
if (!sdo->data.pub_key.compulsory.on_card) {
|
||||
if (sdo->data.pub_key.compulsory.value) {
|
||||
sdo_update->fields[indx].parent_tag = IASECC_SDO_PUBKEY_TAG;
|
||||
|
|
@ -1222,7 +1223,7 @@ iasecc_sdo_parse_card_answer(struct sc_context *ctx, unsigned char *data, size_t
|
|||
static int
|
||||
iasecc_tlv_copy(struct sc_context *ctx, struct iasecc_extended_tlv *in, struct iasecc_extended_tlv *out)
|
||||
{
|
||||
if (!in || !out)
|
||||
if (!in || !out)
|
||||
LOG_FUNC_RETURN(ctx, SC_ERROR_INVALID_ARGUMENTS);
|
||||
|
||||
memset(out, 0, sizeof(struct iasecc_extended_tlv));
|
||||
|
|
@ -1233,7 +1234,7 @@ iasecc_tlv_copy(struct sc_context *ctx, struct iasecc_extended_tlv *in, struct i
|
|||
out->value = calloc(1, in->size);
|
||||
if (!out->value)
|
||||
LOG_FUNC_RETURN(ctx, SC_ERROR_OUT_OF_MEMORY);
|
||||
|
||||
|
||||
memcpy(out->value, in->value, in->size);
|
||||
out->size = in->size;
|
||||
}
|
||||
|
|
@ -1286,4 +1287,4 @@ iasecc_docp_copy(struct sc_context *ctx, struct iasecc_sdo_docp *in, struct iase
|
|||
LOG_FUNC_RETURN(ctx, SC_SUCCESS);
|
||||
}
|
||||
|
||||
#endif /* ENABLE_OPENSSL */
|
||||
#endif /* ENABLE_OPENSSL */
|
||||
|
|
|
|||
|
|
@ -154,7 +154,7 @@
|
|||
|
||||
#define IASECC_SDO_TAGS_UPDATE_MAX 16
|
||||
|
||||
#define IASECC_SE_CRTS_MAX 24
|
||||
//#define IASECC_SE_CRTS_MAX 24
|
||||
|
||||
#define _MAKE_IASECC_SDO_MAGIC(a, b, c, d) (((a) << 24) | ((b) << 16) | ((c) << 8) | ((d)))
|
||||
|
||||
|
|
@ -163,7 +163,7 @@
|
|||
#define IASECC_SDO_MAGIC_UPDATE_RSA _MAKE_IASECC_SDO_MAGIC('E', 'C', 'U', 'R')
|
||||
|
||||
#define IASECC_MAX_SCBS 7
|
||||
#define IASECC_MAX_CRTS_IN_SE 24
|
||||
//#define IASECC_MAX_CRTS_IN_SE 24
|
||||
|
||||
struct iasecc_extended_tlv {
|
||||
unsigned tag;
|
||||
|
|
|
|||
|
|
@ -147,7 +147,7 @@ static int list_sdos(char *sdo_tag)
|
|||
if (!rv) {
|
||||
printf("Found SE #%X\n", se.reference);
|
||||
_iasecc_print_docp(&se.docp);
|
||||
for(jj=0; jj<IASECC_SE_CRTS_MAX && se.crts[jj].tag; jj++)
|
||||
for(jj=0; jj<SC_MAX_CRTS_IN_SE && se.crts[jj].tag; jj++)
|
||||
_iasecc_print_crt(&se.crts[jj]);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue