91 lines
3.0 KiB
Diff
91 lines
3.0 KiB
Diff
diff -Naur a/crypto/pkcs12/p12_add.c b/crypto/pkcs12/p12_add.c
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--- a/crypto/pkcs12/p12_add.c 2024-02-02 15:39:27.287368573 +0800
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+++ b/crypto/pkcs12/p12_add.c 2024-02-02 15:38:30.271860109 +0800
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@@ -76,6 +76,12 @@
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PKCS12_R_CONTENT_TYPE_NOT_DATA);
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return NULL;
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}
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+
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+ if (p7->d.data == NULL) {
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+ PKCS12err(PKCS12_F_PKCS12_UNPACK_P7DATA, PKCS12_R_DECODE_ERROR);
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+ return NULL;
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+ }
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+
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return ASN1_item_unpack(p7->d.data, ASN1_ITEM_rptr(PKCS12_SAFEBAGS));
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}
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@@ -132,6 +138,11 @@
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{
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if (!PKCS7_type_is_encrypted(p7))
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return NULL;
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+
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+ if (p7->d.encrypted == NULL) {
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+ return NULL;
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+ }
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+
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return PKCS12_item_decrypt_d2i(p7->d.encrypted->enc_data->algorithm,
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ASN1_ITEM_rptr(PKCS12_SAFEBAGS),
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pass, passlen,
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@@ -159,6 +170,11 @@
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PKCS12_R_CONTENT_TYPE_NOT_DATA);
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return NULL;
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}
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+ if (p12->authsafes->d.data == NULL) {
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+ PKCS12err(PKCS12_F_PKCS12_UNPACK_AUTHSAFES, PKCS12_R_DECODE_ERROR);
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+ return NULL;
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+ }
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+
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return ASN1_item_unpack(p12->authsafes->d.data,
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ASN1_ITEM_rptr(PKCS12_AUTHSAFES));
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}
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diff -Naur a/crypto/pkcs12/p12_mutl.c b/crypto/pkcs12/p12_mutl.c
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--- a/crypto/pkcs12/p12_mutl.c 2024-02-02 15:39:27.287368573 +0800
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+++ b/crypto/pkcs12/p12_mutl.c 2024-02-02 15:38:30.271860109 +0800
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@@ -93,6 +93,11 @@
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return 0;
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}
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+ if (p12->authsafes->d.data == NULL) {
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+ PKCS12err(PKCS12_F_PKCS12_GEN_MAC, PKCS12_R_DECODE_ERROR);
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+ return 0;
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+ }
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+
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salt = p12->mac->salt->data;
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saltlen = p12->mac->salt->length;
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if (!p12->mac->iter)
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diff -Naur a/crypto/pkcs12/p12_npas.c b/crypto/pkcs12/p12_npas.c
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--- a/crypto/pkcs12/p12_npas.c 2024-02-02 15:39:27.287368573 +0800
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+++ b/crypto/pkcs12/p12_npas.c 2024-02-02 15:38:30.271860109 +0800
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@@ -78,8 +78,9 @@
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bags = PKCS12_unpack_p7data(p7);
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} else if (bagnid == NID_pkcs7_encrypted) {
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bags = PKCS12_unpack_p7encdata(p7, oldpass, -1);
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- if (!alg_get(p7->d.encrypted->enc_data->algorithm,
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- &pbe_nid, &pbe_iter, &pbe_saltlen))
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+ if (p7->d.encrypted == NULL
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+ || !alg_get(p7->d.encrypted->enc_data->algorithm,
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+ &pbe_nid, &pbe_iter, &pbe_saltlen))
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goto err;
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} else {
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continue;
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diff -Naur a/crypto/pkcs7/pk7_mime.c b/crypto/pkcs7/pk7_mime.c
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--- a/crypto/pkcs7/pk7_mime.c 2024-02-02 15:39:27.280368511 +0800
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+++ b/crypto/pkcs7/pk7_mime.c 2024-02-02 15:38:30.263860038 +0800
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@@ -30,10 +30,14 @@
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{
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STACK_OF(X509_ALGOR) *mdalgs;
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int ctype_nid = OBJ_obj2nid(p7->type);
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- if (ctype_nid == NID_pkcs7_signed)
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+
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+ if (ctype_nid == NID_pkcs7_signed) {
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+ if (p7->d.sign == NULL)
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+ return 0;
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mdalgs = p7->d.sign->md_algs;
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- else
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+ } else {
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mdalgs = NULL;
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+ }
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flags ^= SMIME_OLDMIME;
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