105 lines
4.9 KiB
C
105 lines
4.9 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Client
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* Kerberos Auth Protocol
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*
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* Copyright 2022 Isaac Klein <fifthdegree@protonmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef WINPR_SSPI_KERBEROS_GLUE_PRIVATE_H
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#define WINPR_SSPI_KERBEROS_GLUE_PRIVATE_H
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#include <winpr/winpr.h>
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#include <winpr/sspi.h>
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#include <krb5.h>
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#if defined(WITH_KRB5_MIT)
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typedef krb5_key krb5glue_key;
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typedef krb5_authenticator* krb5glue_authenticator;
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#define krb5glue_crypto_length(ctx, key, type, size) \
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krb5_c_crypto_length(ctx, krb5_k_key_enctype(ctx, key), type, size)
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#define krb5glue_crypto_length_iov(ctx, key, iov, size) \
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krb5_c_crypto_length_iov(ctx, krb5_k_key_enctype(ctx, key), iov, size)
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#define krb5glue_encrypt_iov(ctx, key, usage, iov, size) \
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krb5_k_encrypt_iov(ctx, key, usage, NULL, iov, size)
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#define krb5glue_decrypt_iov(ctx, key, usage, iov, size) \
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krb5_k_decrypt_iov(ctx, key, usage, NULL, iov, size)
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#define krb5glue_make_checksum_iov(ctx, key, usage, iov, size) \
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krb5_k_make_checksum_iov(ctx, 0, key, usage, iov, size)
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#define krb5glue_verify_checksum_iov(ctx, key, usage, iov, size, is_valid) \
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krb5_k_verify_checksum_iov(ctx, 0, key, usage, iov, size, is_valid)
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#define krb5glue_auth_con_set_cksumtype(ctx, auth_ctx, cksumtype) \
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krb5_auth_con_set_req_cksumtype(ctx, auth_ctx, cksumtype)
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#define krb5glue_set_principal_realm(ctx, principal, realm) \
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krb5_set_principal_realm(ctx, principal, realm)
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#define krb5glue_free_keytab_entry_contents(ctx, entry) krb5_free_keytab_entry_contents(ctx, entry)
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#define krb5glue_auth_con_setuseruserkey(ctx, auth_ctx, keytab) \
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krb5_auth_con_setuseruserkey(ctx, auth_ctx, keytab)
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#define krb5glue_free_data_contents(ctx, data) krb5_free_data_contents(ctx, data)
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krb5_prompt_type krb5glue_get_prompt_type(krb5_context ctx, krb5_prompt prompts[], int index);
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#define krb5glue_creds_getkey(creds) creds.keyblock
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#elif defined(WITH_KRB5_HEIMDAL)
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typedef krb5_crypto krb5glue_key;
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typedef krb5_authenticator krb5glue_authenticator;
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krb5_error_code krb5glue_crypto_length(krb5_context ctx, krb5glue_key key, int type,
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unsigned int* size);
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#define krb5glue_crypto_length_iov(ctx, key, iov, size) krb5_crypto_length_iov(ctx, key, iov, size)
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#define krb5glue_encrypt_iov(ctx, key, usage, iov, size) \
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krb5_encrypt_iov_ivec(ctx, key, usage, iov, size, NULL)
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#define krb5glue_decrypt_iov(ctx, key, usage, iov, size) \
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krb5_decrypt_iov_ivec(ctx, key, usage, iov, size, NULL)
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#define krb5glue_make_checksum_iov(ctx, key, usage, iov, size) \
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krb5_create_checksum_iov(ctx, key, usage, iov, size, NULL)
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krb5_error_code krb5glue_verify_checksum_iov(krb5_context ctx, krb5glue_key key, unsigned usage,
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krb5_crypto_iov* iov, unsigned int iov_size,
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krb5_boolean* is_valid);
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#define krb5glue_auth_con_set_cksumtype(ctx, auth_ctx, cksumtype) \
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krb5_auth_con_setcksumtype(ctx, auth_ctx, cksumtype)
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#define krb5glue_set_principal_realm(ctx, principal, realm) \
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krb5_principal_set_realm(ctx, principal, realm)
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#define krb5glue_free_keytab_entry_contents(ctx, entry) krb5_kt_free_entry(ctx, entry)
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#define krb5glue_auth_con_setuseruserkey(ctx, auth_ctx, keytab) \
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krb5_auth_con_setuserkey(ctx, auth_ctx, keytab)
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#define krb5glue_free_data_contents(ctx, data) krb5_data_free(data)
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#define krb5glue_get_prompt_type(ctx, prompts, index) prompts[index].type
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#define krb5glue_creds_getkey(creds) creds.session
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#else
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#error "Missing implementation for KRB5 provider"
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#endif
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struct krb5glue_keyset
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{
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krb5glue_key session_key;
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krb5glue_key initiator_key;
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krb5glue_key acceptor_key;
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};
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void krb5glue_keys_free(krb5_context ctx, struct krb5glue_keyset* keyset);
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krb5_error_code krb5glue_update_keyset(krb5_context ctx, krb5_auth_context auth_ctx, BOOL acceptor,
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struct krb5glue_keyset* keyset);
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krb5_error_code krb5glue_log_error(krb5_context ctx, krb5_data* msg, const char* tag);
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BOOL krb5glue_authenticator_validate_chksum(krb5glue_authenticator authenticator, int cksumtype,
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uint32_t* flags);
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krb5_error_code krb5glue_get_init_creds(krb5_context ctx, krb5_principal princ, krb5_ccache ccache,
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krb5_prompter_fct prompter, char* password,
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SEC_WINPR_KERBEROS_SETTINGS* krb_settings);
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#endif /* WINPR_SSPI_KERBEROS_GLUE_PRIVATE_H */
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