diff options
Diffstat (limited to 'source4/libcli/auth/spnego.c')
-rw-r--r-- | source4/libcli/auth/spnego.c | 122 |
1 files changed, 62 insertions, 60 deletions
diff --git a/source4/libcli/auth/spnego.c b/source4/libcli/auth/spnego.c index 7e0cda42ba..32846cf580 100644 --- a/source4/libcli/auth/spnego.c +++ b/source4/libcli/auth/spnego.c @@ -48,7 +48,7 @@ struct spnego_state { static NTSTATUS gensec_spnego_client_start(struct gensec_security *gensec_security) { struct spnego_state *spnego_state; - TALLOC_CTX *mem_ctx = talloc_init("gensec_spengo_client_start"); + TALLOC_CTX *mem_ctx = talloc_init("gensec_spnego_client_start"); if (!mem_ctx) { return NT_STATUS_NO_MEMORY; } @@ -151,12 +151,12 @@ static NTSTATUS gensec_spnego_session_key(struct gensec_security *gensec_securit /** Fallback to another GENSEC mechanism, based on magic strings * - * This is the 'fallback' case, where we don't get SPENGO, and have to + * This is the 'fallback' case, where we don't get SPNEGO, and have to * try all the other options (and hope they all have a magic string * they check) */ -static NTSTATUS gensec_spengo_server_try_fallback(struct gensec_security *gensec_security, +static NTSTATUS gensec_spnego_server_try_fallback(struct gensec_security *gensec_security, struct spnego_state *spnego_state, TALLOC_CTX *out_mem_ctx, const DATA_BLOB in, DATA_BLOB *out) @@ -189,7 +189,7 @@ static NTSTATUS gensec_spengo_server_try_fallback(struct gensec_security *gensec } gensec_end(&spnego_state->sub_sec_security); } - DEBUG(1, ("Failed to parse SPENGO request\n")); + DEBUG(1, ("Failed to parse SPNEGO request\n")); return NT_STATUS_INVALID_PARAMETER; } @@ -199,7 +199,7 @@ static NTSTATUS gensec_spengo_server_try_fallback(struct gensec_security *gensec * This is the case, where the client is the first one who sends data */ -static NTSTATUS gensec_spengo_client_netTokenInit(struct gensec_security *gensec_security, +static NTSTATUS gensec_spnego_client_netTokenInit(struct gensec_security *gensec_security, struct spnego_state *spnego_state, TALLOC_CTX *out_mem_ctx, const DATA_BLOB in, DATA_BLOB *out) @@ -266,7 +266,7 @@ static NTSTATUS gensec_spengo_client_netTokenInit(struct gensec_security *gensec spnego_out.negTokenInit.mechToken = unwrapped_out; if (spnego_write_data(out_mem_ctx, out, &spnego_out) == -1) { - DEBUG(1, ("Failed to write SPENGO reply to NEG_TOKEN_INIT\n")); + DEBUG(1, ("Failed to write SPNEGO reply to NEG_TOKEN_INIT\n")); return NT_STATUS_INVALID_PARAMETER; } @@ -277,7 +277,7 @@ static NTSTATUS gensec_spengo_client_netTokenInit(struct gensec_security *gensec } gensec_end(&spnego_state->sub_sec_security); - DEBUG(1, ("Failed to setup SPENGO netTokenInit request\n")); + DEBUG(1, ("Failed to setup SPNEGO netTokenInit request\n")); return NT_STATUS_INVALID_PARAMETER; } @@ -286,7 +286,7 @@ static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TA { struct spnego_state *spnego_state = gensec_security->private_data; DATA_BLOB null_data_blob = data_blob(NULL, 0); - DATA_BLOB unwrapped_out; + DATA_BLOB unwrapped_out = data_blob(NULL, 0); struct spnego_data spnego_out; struct spnego_data spnego; @@ -307,7 +307,7 @@ static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TA if (in.length) { len = spnego_read_data(in, &spnego); if (len == -1) { - return gensec_spengo_server_try_fallback(gensec_security, spnego_state, out_mem_ctx, in, out); + return gensec_spnego_server_try_fallback(gensec_security, spnego_state, out_mem_ctx, in, out); } else { /* client sent NegTargetInit */ } @@ -328,7 +328,7 @@ static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TA if (!in.length) { /* client to produce negTokenInit */ - return gensec_spengo_client_netTokenInit(gensec_security, spnego_state, out_mem_ctx, in, out); + return gensec_spnego_client_netTokenInit(gensec_security, spnego_state, out_mem_ctx, in, out); } len = spnego_read_data(in, &spnego); @@ -341,13 +341,21 @@ static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TA /* OK, so it's real SPNEGO, check the packet's the one we expect */ if (spnego.type != spnego_state->expected_packet) { - DEBUG(1, ("Invalid SPENGO request: %d, expected %d\n", spnego.type, + DEBUG(1, ("Invalid SPNEGO request: %d, expected %d\n", spnego.type, spnego_state->expected_packet)); dump_data(1, (const char *)in.data, in.length); spnego_free_data(&spnego); return NT_STATUS_INVALID_PARAMETER; } + if (spnego.negTokenInit.targetPrincipal) { + nt_status = gensec_set_target_principal(gensec_security, + spnego.negTokenInit.targetPrincipal); + if (!NT_STATUS_IS_OK(nt_status)) { + return nt_status; + } + } + mechType = spnego.negTokenInit.mechTypes; for (i=0; mechType && mechType[i]; i++) { nt_status = gensec_subcontext_start(gensec_security, @@ -375,8 +383,8 @@ static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TA null_data_blob, &unwrapped_out); } - if (!NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) { - DEBUG(1, ("SPENGO(%s) NEG_TOKEN_INIT failed: %s\n", + if (!NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED) && !NT_STATUS_IS_OK(nt_status)) { + DEBUG(1, ("SPNEGO(%s) NEG_TOKEN_INIT failed: %s\n", spnego_state->sub_sec_security->ops->name, nt_errstr(nt_status))); gensec_end(&spnego_state->sub_sec_security); } else { @@ -384,11 +392,11 @@ static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TA } } if (!mechType || !mechType[i]) { - DEBUG(1, ("SPENGO: Could not find a suitable mechtype in NEG_TOKEN_INIT\n")); + DEBUG(1, ("SPNEGO: Could not find a suitable mechtype in NEG_TOKEN_INIT\n")); } spnego_free_data(&spnego); - if (!NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) { + if (!NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED) && !NT_STATUS_IS_OK(nt_status)) { return nt_status; } @@ -402,7 +410,7 @@ static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TA spnego_out.negTokenInit.mechToken = unwrapped_out; if (spnego_write_data(out_mem_ctx, out, &spnego_out) == -1) { - DEBUG(1, ("Failed to write SPENGO reply to NEG_TOKEN_INIT\n")); + DEBUG(1, ("Failed to write SPNEGO reply to NEG_TOKEN_INIT\n")); return NT_STATUS_INVALID_PARAMETER; } @@ -410,7 +418,7 @@ static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TA spnego_state->expected_packet = SPNEGO_NEG_TOKEN_TARG; spnego_state->state_position = SPNEGO_CLIENT_TARG; - return nt_status; + return NT_STATUS_MORE_PROCESSING_REQUIRED; } case SPNEGO_SERVER_TARG: { @@ -429,49 +437,47 @@ static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TA /* OK, so it's real SPNEGO, check the packet's the one we expect */ if (spnego.type != spnego_state->expected_packet) { - DEBUG(1, ("Invalid SPENGO request: %d, expected %d\n", spnego.type, + DEBUG(1, ("Invalid SPNEGO request: %d, expected %d\n", spnego.type, spnego_state->expected_packet)); dump_data(1, (const char *)in.data, in.length); spnego_free_data(&spnego); return NT_STATUS_INVALID_PARAMETER; } - if (spnego.negTokenTarg.responseToken.length) { - nt_status = gensec_update(spnego_state->sub_sec_security, - out_mem_ctx, - spnego.negTokenTarg.responseToken, - &unwrapped_out); - } else { - unwrapped_out = data_blob(NULL, 0); - nt_status = NT_STATUS_OK; - } + nt_status = gensec_update(spnego_state->sub_sec_security, + out_mem_ctx, + spnego.negTokenTarg.responseToken, + &unwrapped_out); spnego_state->result = spnego.negTokenTarg.negResult; spnego_free_data(&spnego); + /* compose reply */ + spnego_out.type = SPNEGO_NEG_TOKEN_TARG; + spnego_out.negTokenTarg.supportedMech + = spnego_state->sub_sec_security->ops->oid; + spnego_out.negTokenTarg.responseToken = unwrapped_out; + spnego_out.negTokenTarg.mechListMIC = null_data_blob; + if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) { - /* compose reply */ - spnego_out.type = SPNEGO_NEG_TOKEN_TARG; spnego_out.negTokenTarg.negResult = SPNEGO_ACCEPT_INCOMPLETE; - spnego_out.negTokenTarg.supportedMech - = spnego_state->sub_sec_security->ops->oid; - spnego_out.negTokenTarg.responseToken = unwrapped_out; - spnego_out.negTokenTarg.mechListMIC = null_data_blob; - - if (spnego_write_data(out_mem_ctx, out, &spnego_out) == -1) { - DEBUG(1, ("Failed to write SPENGO reply to NEG_TOKEN_TARG\n")); - return NT_STATUS_INVALID_PARAMETER; - } spnego_state->state_position = SPNEGO_SERVER_TARG; } else if (NT_STATUS_IS_OK(nt_status)) { + spnego_out.negTokenTarg.negResult = SPNEGO_ACCEPT_COMPLETED; spnego_state->state_position = SPNEGO_DONE; } else { - DEBUG(1, ("SPENGO(%s) login failed: %s\n", + spnego_out.negTokenTarg.negResult = SPNEGO_REJECT; + DEBUG(1, ("SPNEGO(%s) login failed: %s\n", spnego_state->sub_sec_security->ops->name, nt_errstr(nt_status))); - return nt_status; + spnego_state->state_position = SPNEGO_DONE; } + if (spnego_write_data(out_mem_ctx, out, &spnego_out) == -1) { + DEBUG(1, ("Failed to write SPNEGO reply to NEG_TOKEN_TARG\n")); + return NT_STATUS_INVALID_PARAMETER; + } + return nt_status; } case SPNEGO_CLIENT_TARG: @@ -501,16 +507,11 @@ static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TA if (spnego.negTokenTarg.negResult == SPNEGO_REJECT) { return NT_STATUS_ACCESS_DENIED; } - - if (spnego.negTokenTarg.responseToken.length) { - nt_status = gensec_update(spnego_state->sub_sec_security, - out_mem_ctx, - spnego.negTokenTarg.responseToken, - &unwrapped_out); - } else { - unwrapped_out = data_blob(NULL, 0); - nt_status = NT_STATUS_OK; - } + + nt_status = gensec_update(spnego_state->sub_sec_security, + out_mem_ctx, + spnego.negTokenTarg.responseToken, + &unwrapped_out); if (NT_STATUS_IS_OK(nt_status) && (spnego.negTokenTarg.negResult != SPNEGO_ACCEPT_COMPLETED)) { @@ -521,27 +522,28 @@ static NTSTATUS gensec_spnego_update(struct gensec_security *gensec_security, TA spnego_state->result = spnego.negTokenTarg.negResult; spnego_free_data(&spnego); + spnego_out.type = SPNEGO_NEG_TOKEN_TARG; + spnego_out.negTokenTarg.negResult = SPNEGO_NONE_RESULT; + spnego_out.negTokenTarg.supportedMech = NULL; + spnego_out.negTokenTarg.responseToken = unwrapped_out; + spnego_out.negTokenTarg.mechListMIC = null_data_blob; + if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) { /* compose reply */ - spnego_out.type = SPNEGO_NEG_TOKEN_TARG; - spnego_out.negTokenTarg.negResult = SPNEGO_NONE_RESULT; - spnego_out.negTokenTarg.supportedMech = NULL; - spnego_out.negTokenTarg.responseToken = unwrapped_out; - spnego_out.negTokenTarg.mechListMIC = null_data_blob; - if (spnego_write_data(out_mem_ctx, out, &spnego_out) == -1) { - DEBUG(1, ("Failed to write SPENGO reply to NEG_TOKEN_TARG\n")); - return NT_STATUS_INVALID_PARAMETER; - } spnego_state->state_position = SPNEGO_CLIENT_TARG; } else if (NT_STATUS_IS_OK(nt_status)) { spnego_state->state_position = SPNEGO_DONE; } else { - DEBUG(1, ("SPENGO(%s) login failed: %s\n", + DEBUG(1, ("SPNEGO(%s) login failed: %s\n", spnego_state->sub_sec_security->ops->name, nt_errstr(nt_status))); return nt_status; } + if (spnego_write_data(out_mem_ctx, out, &spnego_out) == -1) { + DEBUG(1, ("Failed to write SPNEGO reply to NEG_TOKEN_TARG\n")); + return NT_STATUS_INVALID_PARAMETER; + } return nt_status; } |