diff options
Diffstat (limited to 'source4/librpc/rpc/dcerpc_schannel.c')
-rw-r--r-- | source4/librpc/rpc/dcerpc_schannel.c | 194 |
1 files changed, 97 insertions, 97 deletions
diff --git a/source4/librpc/rpc/dcerpc_schannel.c b/source4/librpc/rpc/dcerpc_schannel.c index df15edfb6f..b43dd0788a 100644 --- a/source4/librpc/rpc/dcerpc_schannel.c +++ b/source4/librpc/rpc/dcerpc_schannel.c @@ -32,109 +32,68 @@ struct dcerpc_schannel_state { struct schannel_state *schannel_state; }; +static NTSTATUS dcerpc_schannel_key(struct dcerpc_pipe *p, + const char *domain, + const char *username, + const char *password, + int chan_type, + uint8_t new_session_key[16]); + /* wrappers for the schannel_*() functions + + These will become static again, when we get dynamic registration, and + decrpc_schannel_security_ops come back here. */ -static NTSTATUS dcerpc_schannel_unseal(struct dcerpc_security *dcerpc_security, +static NTSTATUS dcerpc_schannel_unseal(struct gensec_security *gensec_security, TALLOC_CTX *mem_ctx, uint8_t *data, size_t length, DATA_BLOB *sig) { - struct dcerpc_schannel_state *dce_schan_state = dcerpc_security->private_data; + struct dcerpc_schannel_state *dce_schan_state = gensec_security->private_data; return schannel_unseal_packet(dce_schan_state->schannel_state, mem_ctx, data, length, sig); } -static NTSTATUS dcerpc_schannel_check_sig(struct dcerpc_security *dcerpc_security, +static NTSTATUS dcerpc_schannel_check_sig(struct gensec_security *gensec_security, TALLOC_CTX *mem_ctx, const uint8_t *data, size_t length, const DATA_BLOB *sig) { - struct dcerpc_schannel_state *dce_schan_state = dcerpc_security->private_data; + struct dcerpc_schannel_state *dce_schan_state = gensec_security->private_data; return schannel_check_packet(dce_schan_state->schannel_state, data, length, sig); } -static NTSTATUS dcerpc_schannel_seal(struct dcerpc_security *dcerpc_security, +static NTSTATUS dcerpc_schannel_seal(struct gensec_security *gensec_security, TALLOC_CTX *mem_ctx, uint8_t *data, size_t length, DATA_BLOB *sig) { - struct dcerpc_schannel_state *dce_schan_state = dcerpc_security->private_data; + struct dcerpc_schannel_state *dce_schan_state = gensec_security->private_data; return schannel_seal_packet(dce_schan_state->schannel_state, mem_ctx, data, length, sig); } -static NTSTATUS dcerpc_schannel_sign(struct dcerpc_security *dcerpc_security, +static NTSTATUS dcerpc_schannel_sign(struct gensec_security *gensec_security, TALLOC_CTX *mem_ctx, const uint8_t *data, size_t length, DATA_BLOB *sig) { - struct dcerpc_schannel_state *dce_schan_state = dcerpc_security->private_data; + struct dcerpc_schannel_state *dce_schan_state = gensec_security->private_data; return schannel_sign_packet(dce_schan_state->schannel_state, mem_ctx, data, length, sig); } -static NTSTATUS dcerpc_schannel_session_key(struct dcerpc_security *dcerpc_security, +static NTSTATUS dcerpc_schannel_session_key(struct gensec_security *gensec_security, DATA_BLOB *session_key) { return NT_STATUS_NOT_IMPLEMENTED; } -static NTSTATUS dcerpc_schannel_start(struct dcerpc_pipe *p, struct dcerpc_security *dcerpc_security) -{ - struct dcerpc_schannel_state *dce_schan_state; - TALLOC_CTX *mem_ctx; - NTSTATUS status; - uint8_t session_key[16]; - int chan_type = 0; - - if (p->flags & DCERPC_SCHANNEL_BDC) { - chan_type = SEC_CHAN_BDC; - } else if (p->flags & DCERPC_SCHANNEL_WORKSTATION) { - chan_type = SEC_CHAN_WKSTA; - } else if (p->flags & DCERPC_SCHANNEL_DOMAIN) { - chan_type = SEC_CHAN_DOMAIN; - } - - status = dcerpc_schannel_key(p, dcerpc_security->user.domain, - dcerpc_security->user.name, - dcerpc_security->user.password, - chan_type, session_key); - if (!NT_STATUS_IS_OK(status)) { - return status; - } - - mem_ctx = talloc_init("dcerpc_schannel_start"); - if (!mem_ctx) { - return NT_STATUS_NO_MEMORY; - } - - dce_schan_state = talloc_p(mem_ctx, struct dcerpc_schannel_state); - if (!dce_schan_state) { - talloc_destroy(mem_ctx); - return NT_STATUS_NO_MEMORY; - } - - dce_schan_state->mem_ctx = mem_ctx; - - status = schannel_start(&dce_schan_state->schannel_state, session_key, True); - if (!NT_STATUS_IS_OK(status)) { - return status; - } - - dce_schan_state->state = DCERPC_SCHANNEL_STATE_START; - - dcerpc_security->private_data = dce_schan_state; - - dump_data_pw("session key:\n", dce_schan_state->schannel_state->session_key, 16); - - return status; -} - -static NTSTATUS dcerpc_schannel_update(struct dcerpc_security *dcerpc_security, TALLOC_CTX *out_mem_ctx, +static NTSTATUS dcerpc_schannel_update(struct gensec_security *gensec_security, TALLOC_CTX *out_mem_ctx, const DATA_BLOB in, DATA_BLOB *out) { - struct dcerpc_schannel_state *dce_schan_state = dcerpc_security->private_data; + struct dcerpc_schannel_state *dce_schan_state = gensec_security->private_data; NTSTATUS status; struct schannel_bind bind_schannel; @@ -148,14 +107,14 @@ static NTSTATUS dcerpc_schannel_update(struct dcerpc_security *dcerpc_security, #if 0 /* to support this we'd need to have access to the full domain name */ bind_schannel.bind_type = 23; - bind_schannel.u.info23.domain = dcerpc_security->user.domain; - bind_schannel.u.info23.account_name = dcerpc_security->user.name; + bind_schannel.u.info23.domain = gensec_security->user.domain; + bind_schannel.u.info23.account_name = gensec_security->user.name; bind_schannel.u.info23.dnsdomain = str_format_nbt_domain(dce_schan_state->mem_ctx, fulldomainname); - bind_schannel.u.info23.workstation = str_format_nbt_domain(dce_schan_state->mem_ctx, dcerpc_security->user.name); + bind_schannel.u.info23.workstation = str_format_nbt_domain(dce_schan_state->mem_ctx, gensec_security->user.name); #else bind_schannel.bind_type = 3; - bind_schannel.u.info3.domain = dcerpc_security->user.domain; - bind_schannel.u.info3.account_name = dcerpc_security->user.name; + bind_schannel.u.info3.domain = gensec_security->user.domain; + bind_schannel.u.info3.account_name = gensec_security->user.name; #endif status = ndr_push_struct_blob(out, dce_schan_state->mem_ctx, &bind_schannel, @@ -167,27 +126,39 @@ static NTSTATUS dcerpc_schannel_update(struct dcerpc_security *dcerpc_security, return NT_STATUS_MORE_PROCESSING_REQUIRED; } -static void dcerpc_schannel_end(struct dcerpc_security *dcerpc_security) +static void dcerpc_schannel_end(struct gensec_security *gensec_security) { - struct dcerpc_schannel_state *dce_schan_state = dcerpc_security->private_data; + struct dcerpc_schannel_state *dce_schan_state = gensec_security->private_data; schannel_end(&dce_schan_state->schannel_state); talloc_destroy(dce_schan_state->mem_ctx); - dcerpc_security->private_data = NULL; + gensec_security->private_data = NULL; } +static const struct gensec_security_ops gensec_dcerpc_schannel_security_ops = { + .name = "dcerpc_schannel", + .auth_type = DCERPC_AUTH_TYPE_SCHANNEL, + .update = dcerpc_schannel_update, + .seal = dcerpc_schannel_seal, + .sign = dcerpc_schannel_sign, + .check_sig = dcerpc_schannel_check_sig, + .unseal = dcerpc_schannel_unseal, + .session_key = dcerpc_schannel_session_key, + .end = dcerpc_schannel_end +}; + /* get a schannel key using a netlogon challenge on a secondary pipe */ -NTSTATUS dcerpc_schannel_key(struct dcerpc_pipe *p, - const char *domain, - const char *username, - const char *password, - int chan_type, - uint8_t new_session_key[16]) +static NTSTATUS dcerpc_schannel_key(struct dcerpc_pipe *p, + const char *domain, + const char *username, + const char *password, + int chan_type, + uint8_t new_session_key[16]) { NTSTATUS status; struct dcerpc_pipe *p2; @@ -269,24 +240,6 @@ NTSTATUS dcerpc_schannel_key(struct dcerpc_pipe *p, return NT_STATUS_OK; } -const struct dcesrv_security_ops dcerpc_schannel_security_ops = { - .name = "schannel", - .auth_type = DCERPC_AUTH_TYPE_SCHANNEL, - .start = dcerpc_schannel_start, - .update = dcerpc_schannel_update, - .seal = dcerpc_schannel_seal, - .sign = dcerpc_schannel_sign, - .check_sig = dcerpc_schannel_check_sig, - .unseal = dcerpc_schannel_unseal, - .session_key = dcerpc_schannel_session_key, - .end = dcerpc_schannel_end -}; - -const struct dcesrv_security_ops *dcerpc_schannel_security_get_ops(void) -{ - return &dcerpc_schannel_security_ops; -} - /* do a schannel style bind on a dcerpc pipe. The username is usually of the form HOSTNAME$ and the password is the domain trust password @@ -298,11 +251,58 @@ NTSTATUS dcerpc_bind_auth_schannel(struct dcerpc_pipe *p, const char *password) { NTSTATUS status; + struct dcerpc_schannel_state *dce_schan_state; + TALLOC_CTX *mem_ctx; + uint8_t session_key[16]; + int chan_type = 0; + + if (p->flags & DCERPC_SCHANNEL_BDC) { + chan_type = SEC_CHAN_BDC; + } else if (p->flags & DCERPC_SCHANNEL_WORKSTATION) { + chan_type = SEC_CHAN_WKSTA; + } else if (p->flags & DCERPC_SCHANNEL_DOMAIN) { + chan_type = SEC_CHAN_DOMAIN; + } + + status = dcerpc_schannel_key(p, domain, + username, + password, + chan_type, session_key); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + mem_ctx = talloc_init("dcerpc_schannel_start"); + if (!mem_ctx) { + return NT_STATUS_NO_MEMORY; + } + + dce_schan_state = talloc_p(mem_ctx, struct dcerpc_schannel_state); + if (!dce_schan_state) { + talloc_destroy(mem_ctx); + return NT_STATUS_NO_MEMORY; + } + + dce_schan_state->mem_ctx = mem_ctx; + + status = schannel_start(&dce_schan_state->schannel_state, session_key, True); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + dce_schan_state->state = DCERPC_SCHANNEL_STATE_START; + + p->security_state.generic_state.user.domain = domain; + p->security_state.generic_state.user.name = username; + p->security_state.generic_state.user.password = password; + + p->security_state.generic_state.ops = &gensec_dcerpc_schannel_security_ops; + p->security_state.generic_state.private_data = dce_schan_state; + + dump_data_pw("session key:\n", dce_schan_state->schannel_state->session_key, 16); status = dcerpc_bind_auth(p, DCERPC_AUTH_TYPE_SCHANNEL, - uuid, version, - domain, username, - password); + uuid, version); return status; } |