diff options
-rw-r--r-- | libcli/smb/smbXcli_base.c | 14 | ||||
-rw-r--r-- | libcli/smb/smbXcli_base.h | 4 | ||||
-rw-r--r-- | source3/include/client.h | 3 | ||||
-rw-r--r-- | source3/libsmb/smb2cli_base.h | 8 | ||||
-rw-r--r-- | source3/libsmb/smb2cli_close.c | 2 | ||||
-rw-r--r-- | source3/libsmb/smb2cli_create.c | 2 | ||||
-rw-r--r-- | source3/libsmb/smb2cli_flush.c | 2 | ||||
-rw-r--r-- | source3/libsmb/smb2cli_query_directory.c | 2 | ||||
-rw-r--r-- | source3/libsmb/smb2cli_read.c | 2 | ||||
-rw-r--r-- | source3/libsmb/smb2cli_session.c | 217 | ||||
-rw-r--r-- | source3/libsmb/smb2cli_tcon.c | 4 | ||||
-rw-r--r-- | source3/libsmb/smb2cli_write.c | 2 |
12 files changed, 190 insertions, 72 deletions
diff --git a/libcli/smb/smbXcli_base.c b/libcli/smb/smbXcli_base.c index e2ff017465..05bbe38137 100644 --- a/libcli/smb/smbXcli_base.c +++ b/libcli/smb/smbXcli_base.c @@ -2008,7 +2008,7 @@ struct tevent_req *smb2cli_req_create(TALLOC_CTX *mem_ctx, uint32_t timeout_msec, uint32_t pid, uint32_t tid, - uint64_t uid, + struct smbXcli_session *session, const uint8_t *fixed, uint16_t fixed_len, const uint8_t *dyn, @@ -2017,6 +2017,7 @@ struct tevent_req *smb2cli_req_create(TALLOC_CTX *mem_ctx, struct tevent_req *req; struct smbXcli_req_state *state; uint32_t flags = 0; + uint64_t uid = 0; req = tevent_req_create(mem_ctx, &state, struct smbXcli_req_state); @@ -2026,6 +2027,11 @@ struct tevent_req *smb2cli_req_create(TALLOC_CTX *mem_ctx, state->ev = ev; state->conn = conn; + state->session = session; + + if (session) { + uid = session->smb2.session_id; + } state->smb2.recv_iov = talloc_zero_array(state, struct iovec, 3); if (state->smb2.recv_iov == NULL) { @@ -2247,7 +2253,7 @@ struct tevent_req *smb2cli_req_send(TALLOC_CTX *mem_ctx, uint32_t timeout_msec, uint32_t pid, uint32_t tid, - uint64_t uid, + struct smbXcli_session *session, const uint8_t *fixed, uint16_t fixed_len, const uint8_t *dyn, @@ -2259,7 +2265,7 @@ struct tevent_req *smb2cli_req_send(TALLOC_CTX *mem_ctx, req = smb2cli_req_create(mem_ctx, ev, conn, cmd, additional_flags, clear_flags, timeout_msec, - pid, tid, uid, + pid, tid, session, fixed, fixed_len, dyn, dyn_len); if (req == NULL) { return NULL; @@ -3347,7 +3353,7 @@ static struct tevent_req *smbXcli_negprot_smb2_subreq(struct smbXcli_negprot_sta state->conn, SMB2_OP_NEGPROT, 0, 0, /* flags */ state->timeout_msec, - 0xFEFF, 0, 0, /* pid, tid, uid */ + 0xFEFF, 0, NULL, /* pid, tid, session */ state->smb2.fixed, sizeof(state->smb2.fixed), state->smb2.dyn, dialect_count*2); } diff --git a/libcli/smb/smbXcli_base.h b/libcli/smb/smbXcli_base.h index c64e3bad2f..f345587cd2 100644 --- a/libcli/smb/smbXcli_base.h +++ b/libcli/smb/smbXcli_base.h @@ -149,7 +149,7 @@ struct tevent_req *smb2cli_req_create(TALLOC_CTX *mem_ctx, uint32_t timeout_msec, uint32_t pid, uint32_t tid, - uint64_t uid, + struct smbXcli_session *session, const uint8_t *fixed, uint16_t fixed_len, const uint8_t *dyn, @@ -172,7 +172,7 @@ struct tevent_req *smb2cli_req_send(TALLOC_CTX *mem_ctx, uint32_t timeout_msec, uint32_t pid, uint32_t tid, - uint64_t uid, + struct smbXcli_session *session, const uint8_t *fixed, uint16_t fixed_len, const uint8_t *dyn, diff --git a/source3/include/client.h b/source3/include/client.h index faac1b9043..464a7001d8 100644 --- a/source3/include/client.h +++ b/source3/include/client.h @@ -38,6 +38,7 @@ struct print_job_info { }; struct smbXcli_conn; +struct smbXcli_session; struct cli_state { /** @@ -165,7 +166,7 @@ struct cli_state { uint32_t pid; uint32_t tid; - uint64_t uid; + struct smbXcli_session *session; /* SMB2 tcon */ uint8_t share_type; diff --git a/source3/libsmb/smb2cli_base.h b/source3/libsmb/smb2cli_base.h index 83c35ca061..b6b4aba0a9 100644 --- a/source3/libsmb/smb2cli_base.h +++ b/source3/libsmb/smb2cli_base.h @@ -31,7 +31,7 @@ static inline struct tevent_req *cli_state_smb2cli_req_send(TALLOC_CTX *mem_ctx, uint32_t timeout_msec, uint32_t pid, uint32_t tid, - uint64_t uid, + struct smbXcli_session *session, const uint8_t *fixed, uint16_t fixed_len, const uint8_t *dyn, @@ -53,7 +53,7 @@ static inline struct tevent_req *cli_state_smb2cli_req_send(TALLOC_CTX *mem_ctx, cli->smb2.conn, cmd, additional_flags, clear_flags, timeout_msec, - pid, tid, uid, + pid, tid, session, fixed, fixed_len, dyn, dyn_len); } @@ -61,12 +61,12 @@ static inline struct tevent_req *cli_state_smb2cli_req_send(TALLOC_CTX *mem_ctx, #define smb2cli_req_send(mem_ctx, ev, cli, cmd, \ additional_flags, clear_flags, \ timeout_msec, \ - pid, tid, uid, \ + pid, tid, session, \ fixed, fixed_len, dyn, dyn_len) \ cli_state_smb2cli_req_send(mem_ctx, ev, cli, cmd, \ additional_flags, clear_flags, \ timeout_msec, \ - pid, tid, uid, \ + pid, tid, session, \ fixed, fixed_len, dyn, dyn_len) #endif diff --git a/source3/libsmb/smb2cli_close.c b/source3/libsmb/smb2cli_close.c index ccd96eacc2..7af35fe0e4 100644 --- a/source3/libsmb/smb2cli_close.c +++ b/source3/libsmb/smb2cli_close.c @@ -58,7 +58,7 @@ struct tevent_req *smb2cli_close_send(TALLOC_CTX *mem_ctx, cli->timeout, cli->smb2.pid, cli->smb2.tid, - cli->smb2.uid, + cli->smb2.session, state->fixed, sizeof(state->fixed), NULL, 0); if (tevent_req_nomem(subreq, req)) { diff --git a/source3/libsmb/smb2cli_create.c b/source3/libsmb/smb2cli_create.c index a0df7dafde..327b0a13ea 100644 --- a/source3/libsmb/smb2cli_create.c +++ b/source3/libsmb/smb2cli_create.c @@ -141,7 +141,7 @@ struct tevent_req *smb2cli_create_send( cli->timeout, cli->smb2.pid, cli->smb2.tid, - cli->smb2.uid, + cli->smb2.session, state->fixed, sizeof(state->fixed), dyn, dyn_len); if (tevent_req_nomem(subreq, req)) { diff --git a/source3/libsmb/smb2cli_flush.c b/source3/libsmb/smb2cli_flush.c index ea15f25e20..85e34ad508 100644 --- a/source3/libsmb/smb2cli_flush.c +++ b/source3/libsmb/smb2cli_flush.c @@ -56,7 +56,7 @@ struct tevent_req *smb2cli_flush_send(TALLOC_CTX *mem_ctx, cli->timeout, cli->smb2.pid, cli->smb2.tid, - cli->smb2.uid, + cli->smb2.session, state->fixed, sizeof(state->fixed), NULL, 0); if (tevent_req_nomem(subreq, req)) { diff --git a/source3/libsmb/smb2cli_query_directory.c b/source3/libsmb/smb2cli_query_directory.c index 2d2c4658a1..bff5463829 100644 --- a/source3/libsmb/smb2cli_query_directory.c +++ b/source3/libsmb/smb2cli_query_directory.c @@ -91,7 +91,7 @@ struct tevent_req *smb2cli_query_directory_send(TALLOC_CTX *mem_ctx, cli->timeout, cli->smb2.pid, cli->smb2.tid, - cli->smb2.uid, + cli->smb2.session, state->fixed, sizeof(state->fixed), dyn, dyn_len); if (tevent_req_nomem(subreq, req)) { diff --git a/source3/libsmb/smb2cli_read.c b/source3/libsmb/smb2cli_read.c index 75754fe6b1..9b625f939b 100644 --- a/source3/libsmb/smb2cli_read.c +++ b/source3/libsmb/smb2cli_read.c @@ -70,7 +70,7 @@ struct tevent_req *smb2cli_read_send(TALLOC_CTX *mem_ctx, cli->timeout, cli->smb2.pid, cli->smb2.tid, - cli->smb2.uid, + cli->smb2.session, state->fixed, sizeof(state->fixed), state->dyn_pad, sizeof(state->dyn_pad)); if (tevent_req_nomem(subreq, req)) { diff --git a/source3/libsmb/smb2cli_session.c b/source3/libsmb/smb2cli_session.c index f09932a5d5..6c99b2b25b 100644 --- a/source3/libsmb/smb2cli_session.c +++ b/source3/libsmb/smb2cli_session.c @@ -20,32 +20,44 @@ #include "includes.h" #include "client.h" #include "async_smb.h" -#include "smb2cli_base.h" #include "smb2cli.h" +#include "../libcli/smb/smbXcli_base.h" #include "libsmb/proto.h" #include "lib/util/tevent_ntstatus.h" #include "../libcli/auth/spnego.h" #include "../auth/ntlmssp/ntlmssp.h" struct smb2cli_session_setup_state { + struct smbXcli_session *session; uint8_t fixed[24]; uint8_t dyn_pad[1]; - uint64_t uid; - DATA_BLOB out; + struct iovec *recv_iov; + DATA_BLOB out_security_buffer; + NTSTATUS status; }; static void smb2cli_session_setup_done(struct tevent_req *subreq); static struct tevent_req *smb2cli_session_setup_send(TALLOC_CTX *mem_ctx, - struct tevent_context *ev, - struct cli_state *cli, - DATA_BLOB *blob) + struct tevent_context *ev, + struct smbXcli_conn *conn, + uint32_t timeout_msec, + struct smbXcli_session *session, + uint8_t in_flags, + uint32_t in_capabilities, + uint32_t in_channel, + struct smbXcli_session *in_previous_session, + const DATA_BLOB *in_security_buffer) { struct tevent_req *req, *subreq; struct smb2cli_session_setup_state *state; uint8_t *buf; uint8_t *dyn; size_t dyn_len; + uint8_t security_mode; + uint16_t security_buffer_offset = 0; + uint16_t security_buffer_length = 0; + uint64_t previous_session_id = 0; req = tevent_req_create(mem_ctx, &state, struct smb2cli_session_setup_state); @@ -53,31 +65,53 @@ static struct tevent_req *smb2cli_session_setup_send(TALLOC_CTX *mem_ctx, return NULL; } + if (session == NULL) { + tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER_MIX); + return tevent_req_post(req, ev); + } + state->session = session; + security_mode = smb2cli_session_security_mode(session); + + if (in_security_buffer) { + if (in_security_buffer->length > UINT16_MAX) { + tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER_MIX); + return tevent_req_post(req, ev); + } + security_buffer_offset = SMB2_HDR_BODY + 24; + security_buffer_length = in_security_buffer->length; + } + + if (in_previous_session) { + previous_session_id = + smb2cli_session_current_id(in_previous_session); + } + buf = state->fixed; - SSVAL(buf, 0, 25); - SCVAL(buf, 2, 0); /* VcNumber */ - SCVAL(buf, 3, 0); /* SecurityMode */ - SIVAL(buf, 4, 0); /* Capabilities */ - SIVAL(buf, 8, 0); /* Channel */ - SSVAL(buf, 12, SMB2_HDR_BODY + 24); /* SecurityBufferOffset */ - SSVAL(buf, 14, blob->length); - SBVAL(buf, 16, 0); /* PreviousSessionId */ - - if (blob->length > 0) { - dyn = blob->data; - dyn_len = blob->length; + SSVAL(buf, 0, 25); + SCVAL(buf, 2, in_flags); + SCVAL(buf, 3, security_mode); + SIVAL(buf, 4, in_capabilities); + SIVAL(buf, 8, in_channel); + SSVAL(buf, 12, security_buffer_offset); + SSVAL(buf, 14, security_buffer_length); + SBVAL(buf, 16, previous_session_id); + + if (security_buffer_length > 0) { + dyn = in_security_buffer->data; + dyn_len = in_security_buffer->length; } else { dyn = state->dyn_pad;; dyn_len = sizeof(state->dyn_pad); } - subreq = smb2cli_req_send(state, ev, cli, SMB2_OP_SESSSETUP, + subreq = smb2cli_req_send(state, ev, + conn, SMB2_OP_SESSSETUP, 0, 0, /* flags */ - cli->timeout, - cli->smb2.pid, + timeout_msec, + 0xFEFF, 0, /* tid */ - cli->smb2.uid, + session, state->fixed, sizeof(state->fixed), dyn, dyn_len); if (tevent_req_nomem(subreq, req)) { @@ -96,8 +130,15 @@ static void smb2cli_session_setup_done(struct tevent_req *subreq) tevent_req_data(req, struct smb2cli_session_setup_state); NTSTATUS status; - struct iovec *iov; - uint16_t offset, length; + uint64_t current_session_id; + uint64_t session_id; + uint16_t session_flags; + uint16_t expected_offset = 0; + uint16_t security_buffer_offset; + uint16_t security_buffer_length; + uint8_t *security_buffer_data = NULL; + const uint8_t *hdr; + const uint8_t *body; static const struct smb2cli_req_expected_response expected[] = { { .status = NT_STATUS_MORE_PROCESSING_REQUIRED, @@ -109,47 +150,93 @@ static void smb2cli_session_setup_done(struct tevent_req *subreq) } }; - status = smb2cli_req_recv(subreq, talloc_tos(), &iov, + status = smb2cli_req_recv(subreq, state, &state->recv_iov, expected, ARRAY_SIZE(expected)); + TALLOC_FREE(subreq); if (!NT_STATUS_IS_OK(status) && !NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) { - TALLOC_FREE(subreq); tevent_req_nterror(req, status); return; } - offset = SVAL(iov[1].iov_base, 4); - length = SVAL(iov[1].iov_base, 6); + hdr = (const uint8_t *)state->recv_iov[0].iov_base; + body = (const uint8_t *)state->recv_iov[1].iov_base; + + session_id = BVAL(hdr, SMB2_HDR_SESSION_ID); + session_flags = SVAL(body, 2); - if ((offset != SMB2_HDR_BODY + 8) || (length > iov[2].iov_len)) { - TALLOC_FREE(subreq); + security_buffer_offset = SVAL(body, 4); + security_buffer_length = SVAL(body, 6); + + if (security_buffer_length > 0) { + expected_offset = SMB2_HDR_BODY + 8; + } + if (security_buffer_offset != 0) { + security_buffer_data = (uint8_t *)state->recv_iov[2].iov_base; + expected_offset = SMB2_HDR_BODY + 8; + } + + if (security_buffer_offset != expected_offset) { tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE); return; } - state->uid = BVAL(iov[0].iov_base, SMB2_HDR_SESSION_ID); - state->out.data = (uint8_t *)iov[2].iov_base; - state->out.length = length; - if (!NT_STATUS_IS_OK(status)) { - tevent_req_nterror(req, status); + if (security_buffer_length > state->recv_iov[2].iov_len) { + tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE); return; } + + state->out_security_buffer.data = security_buffer_data; + state->out_security_buffer.length = security_buffer_length; + + current_session_id = smb2cli_session_current_id(state->session); + if (current_session_id == 0) { + /* A new session was requested */ + current_session_id = session_id; + } + + if (current_session_id != session_id) { + tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE); + return; + } + + smb2cli_session_set_id_and_flags(state->session, + session_id, session_flags); + + state->status = status; tevent_req_done(req); } static NTSTATUS smb2cli_session_setup_recv(struct tevent_req *req, - uint64_t *uid, DATA_BLOB *out) + TALLOC_CTX *mem_ctx, + struct iovec **recv_iov, + DATA_BLOB *out_security_buffer) { struct smb2cli_session_setup_state *state = tevent_req_data(req, struct smb2cli_session_setup_state); - NTSTATUS status = NT_STATUS_OK; + NTSTATUS status; + struct iovec *_tmp; - if (tevent_req_is_nterror(req, &status) - && !NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) { + if (tevent_req_is_nterror(req, &status)) { + tevent_req_received(req); return status; } - *uid = state->uid; - *out = state->out; + + if (recv_iov == NULL) { + recv_iov = &_tmp; + } + + *recv_iov = talloc_move(mem_ctx, &state->recv_iov); + + *out_security_buffer = state->out_security_buffer; + + /* + * Return the status from the server: + * NT_STATUS_MORE_PROCESSING_REQUIRED or + * NT_STATUS_OK. + */ + status = state->status; + tevent_req_received(req); return status; } @@ -218,8 +305,20 @@ struct tevent_req *smb2cli_sesssetup_ntlmssp_send(TALLOC_CTX *mem_ctx, blob_out = spnego_gen_negTokenInit(state, OIDs_ntlm, &blob_out, NULL); state->turn = 1; - subreq = smb2cli_session_setup_send( - state, state->ev, state->cli, &blob_out); + state->cli->smb2.session = smbXcli_session_create(cli, cli->smb2.conn); + if (tevent_req_nomem(state->cli->smb2.session, req)) { + return tevent_req_post(req, ev); + } + + subreq = smb2cli_session_setup_send(state, state->ev, + state->cli->smb2.conn, + state->cli->timeout, + state->cli->smb2.session, + 0, /* in_flags */ + SMB2_CAP_DFS, /* in_capabilities */ + 0, /* in_channel */ + NULL, /* in_previous_session */ + &blob_out); if (tevent_req_nomem(subreq, req)) { return tevent_req_post(req, ev); } @@ -239,20 +338,26 @@ static void smb2cli_sesssetup_ntlmssp_done(struct tevent_req *subreq) tevent_req_data(req, struct smb2cli_sesssetup_ntlmssp_state); NTSTATUS status; - uint64_t uid = 0; DATA_BLOB blob, blob_in, blob_out, spnego_blob; bool ret; + struct iovec *recv_iov; - status = smb2cli_session_setup_recv(subreq, &uid, &blob); + status = smb2cli_session_setup_recv(subreq, state, &recv_iov, &blob); + TALLOC_FREE(subreq); if (!NT_STATUS_IS_OK(status) && !NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) { - TALLOC_FREE(subreq); tevent_req_nterror(req, status); return; } if (NT_STATUS_IS_OK(status)) { - TALLOC_FREE(subreq); + status = smb2cli_session_update_session_key(state->cli->smb2.session, + state->ntlmssp->session_key, + recv_iov); + if (tevent_req_nterror(req, status)) { + return; + } + tevent_req_done(req); return; } @@ -280,16 +385,21 @@ static void smb2cli_sesssetup_ntlmssp_done(struct tevent_req *subreq) return; } - state->cli->smb2.uid = uid; - spnego_blob = spnego_gen_auth(state, blob_out); TALLOC_FREE(subreq); if (tevent_req_nomem(spnego_blob.data, req)) { return; } - subreq = smb2cli_session_setup_send( - state, state->ev, state->cli, &spnego_blob); + subreq = smb2cli_session_setup_send(state, state->ev, + state->cli->smb2.conn, + state->cli->timeout, + state->cli->smb2.session, + 0, /* in_flags */ + SMB2_CAP_DFS, /* in_capabilities */ + 0, /* in_channel */ + NULL, /* in_previous_session */ + &spnego_blob); if (tevent_req_nomem(subreq, req)) { return; } @@ -353,12 +463,13 @@ struct tevent_req *smb2cli_logoff_send(TALLOC_CTX *mem_ctx, } SSVAL(state->fixed, 0, 4); - subreq = smb2cli_req_send(state, ev, cli, SMB2_OP_LOGOFF, + subreq = smb2cli_req_send(state, ev, + cli->smb2.conn, SMB2_OP_LOGOFF, 0, 0, /* flags */ cli->timeout, cli->smb2.pid, 0, /* tid */ - cli->smb2.uid, + cli->smb2.session, state->fixed, sizeof(state->fixed), NULL, 0); if (tevent_req_nomem(subreq, req)) { diff --git a/source3/libsmb/smb2cli_tcon.c b/source3/libsmb/smb2cli_tcon.c index d501838bf6..bcb2fc7b46 100644 --- a/source3/libsmb/smb2cli_tcon.c +++ b/source3/libsmb/smb2cli_tcon.c @@ -86,7 +86,7 @@ struct tevent_req *smb2cli_tcon_send(TALLOC_CTX *mem_ctx, cli->timeout, cli->smb2.pid, 0, /* tid */ - cli->smb2.uid, + cli->smb2.session, state->fixed, sizeof(state->fixed), dyn, dyn_len); if (tevent_req_nomem(subreq, req)) { @@ -194,7 +194,7 @@ struct tevent_req *smb2cli_tdis_send(TALLOC_CTX *mem_ctx, cli->timeout, cli->smb2.pid, cli->smb2.tid, - cli->smb2.uid, + cli->smb2.session, state->fixed, sizeof(state->fixed), NULL, 0); if (tevent_req_nomem(subreq, req)) { diff --git a/source3/libsmb/smb2cli_write.c b/source3/libsmb/smb2cli_write.c index a6373899a7..3597c49c55 100644 --- a/source3/libsmb/smb2cli_write.c +++ b/source3/libsmb/smb2cli_write.c @@ -79,7 +79,7 @@ struct tevent_req *smb2cli_write_send(TALLOC_CTX *mem_ctx, cli->timeout, cli->smb2.pid, cli->smb2.tid, - cli->smb2.uid, + cli->smb2.session, state->fixed, sizeof(state->fixed), dyn, dyn_len); if (tevent_req_nomem(subreq, req)) { |