diff options
| -rw-r--r-- | source3/include/proto.h | 5 | ||||
| -rw-r--r-- | source3/lib/util_sock.c | 87 | ||||
| -rw-r--r-- | source3/libsmb/async_smb.c | 87 |
3 files changed, 87 insertions, 92 deletions
diff --git a/source3/include/proto.h b/source3/include/proto.h index 95613ad548..fd49050c38 100644 --- a/source3/include/proto.h +++ b/source3/include/proto.h @@ -1415,11 +1415,6 @@ int create_pipe_sock(const char *socket_dir, mode_t dir_perms); const char *get_mydnsfullname(void); bool is_myname_or_ipaddr(const char *s); -struct tevent_req *read_smb_send(TALLOC_CTX *mem_ctx, - struct tevent_context *ev, - int fd); -ssize_t read_smb_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx, - uint8_t **pbuf, int *perrno); struct tevent_req *getaddrinfo_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev, struct fncall_context *ctx, diff --git a/source3/lib/util_sock.c b/source3/lib/util_sock.c index 92e373b4ea..1d7a82d7a5 100644 --- a/source3/lib/util_sock.c +++ b/source3/lib/util_sock.c @@ -1967,93 +1967,6 @@ bool is_myname_or_ipaddr(const char *s) return false; } -/* - * Read an smb packet asynchronously, discard keepalives - */ - -struct read_smb_state { - struct tevent_context *ev; - int fd; - uint8_t *buf; -}; - -static ssize_t read_smb_more(uint8_t *buf, size_t buflen, void *private_data); -static void read_smb_done(struct tevent_req *subreq); - -struct tevent_req *read_smb_send(TALLOC_CTX *mem_ctx, - struct tevent_context *ev, - int fd) -{ - struct tevent_req *result, *subreq; - struct read_smb_state *state; - - result = tevent_req_create(mem_ctx, &state, struct read_smb_state); - if (result == NULL) { - return NULL; - } - state->ev = ev; - state->fd = fd; - - subreq = read_packet_send(state, ev, fd, 4, read_smb_more, NULL); - if (subreq == NULL) { - goto fail; - } - tevent_req_set_callback(subreq, read_smb_done, result); - return result; - fail: - TALLOC_FREE(result); - return NULL; -} - -static ssize_t read_smb_more(uint8_t *buf, size_t buflen, void *private_data) -{ - if (buflen > 4) { - return 0; /* We've been here, we're done */ - } - return smb_len_large(buf); -} - -static void read_smb_done(struct tevent_req *subreq) -{ - struct tevent_req *req = tevent_req_callback_data( - subreq, struct tevent_req); - struct read_smb_state *state = tevent_req_data( - req, struct read_smb_state); - ssize_t len; - int err; - - len = read_packet_recv(subreq, state, &state->buf, &err); - TALLOC_FREE(subreq); - if (len == -1) { - tevent_req_error(req, err); - return; - } - - if (CVAL(state->buf, 0) == SMBkeepalive) { - subreq = read_packet_send(state, state->ev, state->fd, 4, - read_smb_more, NULL); - if (tevent_req_nomem(subreq, req)) { - return; - } - tevent_req_set_callback(subreq, read_smb_done, req); - return; - } - tevent_req_done(req); -} - -ssize_t read_smb_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx, - uint8_t **pbuf, int *perrno) -{ - struct read_smb_state *state = tevent_req_data( - req, struct read_smb_state); - - if (tevent_req_is_unix_error(req, perrno)) { - return -1; - } - *pbuf = talloc_move(mem_ctx, &state->buf); - return talloc_get_size(*pbuf); -} - struct getaddrinfo_state { const char *node; const char *service; diff --git a/source3/libsmb/async_smb.c b/source3/libsmb/async_smb.c index 7474959902..7afba0dae9 100644 --- a/source3/libsmb/async_smb.c +++ b/source3/libsmb/async_smb.c @@ -19,6 +19,93 @@ #include "includes.h" +/* + * Read an smb packet asynchronously, discard keepalives + */ + +struct read_smb_state { + struct tevent_context *ev; + int fd; + uint8_t *buf; +}; + +static ssize_t read_smb_more(uint8_t *buf, size_t buflen, void *private_data); +static void read_smb_done(struct tevent_req *subreq); + +static struct tevent_req *read_smb_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + int fd) +{ + struct tevent_req *result, *subreq; + struct read_smb_state *state; + + result = tevent_req_create(mem_ctx, &state, struct read_smb_state); + if (result == NULL) { + return NULL; + } + state->ev = ev; + state->fd = fd; + + subreq = read_packet_send(state, ev, fd, 4, read_smb_more, NULL); + if (subreq == NULL) { + goto fail; + } + tevent_req_set_callback(subreq, read_smb_done, result); + return result; + fail: + TALLOC_FREE(result); + return NULL; +} + +static ssize_t read_smb_more(uint8_t *buf, size_t buflen, void *private_data) +{ + if (buflen > 4) { + return 0; /* We've been here, we're done */ + } + return smb_len_large(buf); +} + +static void read_smb_done(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct read_smb_state *state = tevent_req_data( + req, struct read_smb_state); + ssize_t len; + int err; + + len = read_packet_recv(subreq, state, &state->buf, &err); + TALLOC_FREE(subreq); + if (len == -1) { + tevent_req_error(req, err); + return; + } + + if (CVAL(state->buf, 0) == SMBkeepalive) { + subreq = read_packet_send(state, state->ev, state->fd, 4, + read_smb_more, NULL); + if (tevent_req_nomem(subreq, req)) { + return; + } + tevent_req_set_callback(subreq, read_smb_done, req); + return; + } + tevent_req_done(req); +} + +static ssize_t read_smb_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx, + uint8_t **pbuf, int *perrno) +{ + struct read_smb_state *state = tevent_req_data( + req, struct read_smb_state); + + if (tevent_req_is_unix_error(req, perrno)) { + return -1; + } + *pbuf = talloc_move(mem_ctx, &state->buf); + return talloc_get_size(*pbuf); +} + /** * Fetch an error out of a NBT packet * @param[in] buf The SMB packet |