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63 lines
1.4 KiB
63 lines
1.4 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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#include <linux/module.h> |
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#include <linux/kernel.h> |
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#include <linux/oid_registry.h> |
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#include "cifsglob.h" |
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#include "cifs_debug.h" |
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#include "cifsproto.h" |
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#include "cifs_spnego_negtokeninit.asn1.h" |
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int |
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decode_negTokenInit(unsigned char *security_blob, int length, |
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struct TCP_Server_Info *server) |
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{ |
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if (asn1_ber_decoder(&cifs_spnego_negtokeninit_decoder, server, |
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security_blob, length) == 0) |
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return 1; |
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else |
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return 0; |
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} |
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int cifs_gssapi_this_mech(void *context, size_t hdrlen, |
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unsigned char tag, const void *value, size_t vlen) |
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{ |
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enum OID oid; |
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oid = look_up_OID(value, vlen); |
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if (oid != OID_spnego) { |
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char buf[50]; |
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sprint_oid(value, vlen, buf, sizeof(buf)); |
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cifs_dbg(FYI, "Error decoding negTokenInit header: unexpected OID %s\n", |
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buf); |
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return -EBADMSG; |
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} |
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return 0; |
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} |
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int cifs_neg_token_init_mech_type(void *context, size_t hdrlen, |
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unsigned char tag, |
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const void *value, size_t vlen) |
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{ |
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struct TCP_Server_Info *server = context; |
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enum OID oid; |
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oid = look_up_OID(value, vlen); |
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if (oid == OID_mskrb5) |
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server->sec_mskerberos = true; |
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else if (oid == OID_krb5u2u) |
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server->sec_kerberosu2u = true; |
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else if (oid == OID_krb5) |
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server->sec_kerberos = true; |
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else if (oid == OID_ntlmssp) |
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server->sec_ntlmssp = true; |
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else { |
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char buf[50]; |
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sprint_oid(value, vlen, buf, sizeof(buf)); |
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cifs_dbg(FYI, "Decoding negTokenInit: unsupported OID %s\n", |
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buf); |
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} |
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return 0; |
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}
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