#include "../lib/util/tevent_unix.h"
#include "../lib/util/tevent_ntstatus.h"
#include "../lib/tsocket/tsocket.h"
+#include "lib/util/sys_rw.h"
+#include "lib/util/sys_rw_data.h"
const char *client_addr(int fd, char *addr, size_t addrlen)
{
on socket calls.
****************************************************************************/
-NTSTATUS read_data(int fd, char *buffer, size_t N)
+NTSTATUS read_data_ntstatus(int fd, char *buffer, size_t N)
{
return read_fd_with_timeout(fd, buffer, N, N, 0, NULL);
}
-ssize_t iov_buflen(const struct iovec *iov, int iovcnt)
-{
- size_t buflen = 0;
- int i;
-
- for (i=0; i<iovcnt; i++) {
- size_t thislen = iov[i].iov_len;
- size_t tmp = buflen + thislen;
-
- if ((tmp < buflen) || (tmp < thislen)) {
- /* overflow */
- return -1;
- }
- buflen = tmp;
- }
- return buflen;
-}
-
-uint8_t *iov_buf(TALLOC_CTX *mem_ctx, const struct iovec *iov, int iovcnt)
-{
- int i;
- ssize_t buflen;
- uint8_t *buf, *p;
-
- buflen = iov_buflen(iov, iovcnt);
- if (buflen == -1) {
- return NULL;
- }
- buf = talloc_array(mem_ctx, uint8_t, buflen);
- if (buf == NULL) {
- return NULL;
- }
-
- p = buf;
- for (i=0; i<iovcnt; i++) {
- size_t len = iov[i].iov_len;
-
- memcpy(p, iov[i].iov_base, len);
- p += len;
- }
- return buf;
-}
-
-/****************************************************************************
- Write all data from an iov array
- NB. This can be called with a non-socket fd, don't add dependencies
- on socket calls.
-****************************************************************************/
-
-ssize_t write_data_iov(int fd, const struct iovec *orig_iov, int iovcnt)
-{
- ssize_t to_send;
- ssize_t thistime;
- size_t sent;
- struct iovec iov_copy[iovcnt];
- struct iovec *iov;
-
- to_send = iov_buflen(orig_iov, iovcnt);
- if (to_send == -1) {
- errno = EINVAL;
- return -1;
- }
-
- thistime = sys_writev(fd, orig_iov, iovcnt);
- if ((thistime <= 0) || (thistime == to_send)) {
- return thistime;
- }
- sent = thistime;
-
- /*
- * We could not send everything in one call. Make a copy of iov that
- * we can mess with. We keep a copy of the array start in iov_copy for
- * the TALLOC_FREE, because we're going to modify iov later on,
- * discarding elements.
- */
-
- memcpy(iov_copy, orig_iov, sizeof(struct iovec) * iovcnt);
- iov = iov_copy;
-
- while (sent < to_send) {
- /*
- * We have to discard "thistime" bytes from the beginning
- * iov array, "thistime" contains the number of bytes sent
- * via writev last.
- */
- while (thistime > 0) {
- if (thistime < iov[0].iov_len) {
- char *new_base =
- (char *)iov[0].iov_base + thistime;
- iov[0].iov_base = (void *)new_base;
- iov[0].iov_len -= thistime;
- break;
- }
- thistime -= iov[0].iov_len;
- iov += 1;
- iovcnt -= 1;
- }
-
- thistime = sys_writev(fd, iov, iovcnt);
- if (thistime <= 0) {
- break;
- }
- sent += thistime;
- }
-
- return sent;
-}
-
-/****************************************************************************
- Write data to a fd.
- NB. This can be called with a non-socket fd, don't add dependencies
- on socket calls.
-****************************************************************************/
-
-ssize_t write_data(int fd, const char *buffer, size_t N)
-{
- struct iovec iov;
-
- iov.iov_base = discard_const_p(void, buffer);
- iov.iov_len = N;
- return write_data_iov(fd, &iov, 1);
-}
-
/****************************************************************************
Send a keepalive packet (rfc1002).
****************************************************************************/
socklen_t salen;
uint16_t port;
int wait_usec;
+ struct tevent_req *connect_subreq;
};
static void open_socket_out_connected(struct tevent_req *subreq);
-static int open_socket_out_state_destructor(struct open_socket_out_state *s)
+static void open_socket_out_cleanup(struct tevent_req *req,
+ enum tevent_req_state req_state)
{
- if (s->fd != -1) {
- close(s->fd);
+ struct open_socket_out_state *state =
+ tevent_req_data(req, struct open_socket_out_state);
+
+ /*
+ * Make sure that the async_connect_send subreq has a chance to reset
+ * fcntl before the socket goes away.
+ */
+ TALLOC_FREE(state->connect_subreq);
+
+ if (req_state == TEVENT_REQ_DONE) {
+ /*
+ * we keep the socket open for the caller to use
+ */
+ return;
+ }
+
+ if (state->fd != -1) {
+ close(state->fd);
+ state->fd = -1;
}
- return 0;
}
/****************************************************************************
int timeout)
{
char addr[INET6_ADDRSTRLEN];
- struct tevent_req *result, *subreq;
+ struct tevent_req *result;
struct open_socket_out_state *state;
NTSTATUS status;
state->ev = ev;
state->ss = *pss;
state->port = port;
- state->wait_usec = 10000;
+ state->wait_usec = 10000000;
state->salen = -1;
+ timeout *=100;
state->fd = socket(state->ss.ss_family, SOCK_STREAM, 0);
if (state->fd == -1) {
status = map_nt_error_from_unix(errno);
goto post_status;
}
- talloc_set_destructor(state, open_socket_out_state_destructor);
+
+ tevent_req_set_cleanup_fn(result, open_socket_out_cleanup);
if (!tevent_req_set_endtime(
result, ev, timeval_current_ofs_msec(timeout))) {
print_sockaddr(addr, sizeof(addr), &state->ss);
DEBUG(3,("Connecting to %s at port %u\n", addr, (unsigned int)port));
- subreq = async_connect_send(state, state->ev, state->fd,
- (struct sockaddr *)&state->ss,
- state->salen, NULL, NULL, NULL);
- if ((subreq == NULL)
+ state->connect_subreq = async_connect_send(
+ state, state->ev, state->fd, (struct sockaddr *)&state->ss,
+ state->salen, NULL, NULL, NULL);
+ if ((state->connect_subreq == NULL)
|| !tevent_req_set_endtime(
- subreq, state->ev,
+ state->connect_subreq, state->ev,
timeval_current_ofs(0, state->wait_usec))) {
goto fail;
}
- tevent_req_set_callback(subreq, open_socket_out_connected, result);
+ tevent_req_set_callback(state->connect_subreq,
+ open_socket_out_connected, result);
return result;
post_status:
ret = async_connect_recv(subreq, &sys_errno);
TALLOC_FREE(subreq);
+ state->connect_subreq = NULL;
if (ret == 0) {
tevent_req_done(req);
return;
if (!tevent_req_set_endtime(
subreq, state->ev,
timeval_current_ofs_usec(state->wait_usec))) {
- tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
return;
}
+ state->connect_subreq = subreq;
tevent_req_set_callback(subreq, open_socket_out_connected, req);
return;
}
NTSTATUS status;
if (tevent_req_is_nterror(req, &status)) {
+ tevent_req_received(req);
return status;
}
*pfd = state->fd;
state->fd = -1;
+ tevent_req_received(req);
return NT_STATUS_OK;
}
lookup_nc(&nc);
if (nc.name == NULL) {
- *name = talloc_strdup(mem_ctx, "UNKOWN");
+ *name = talloc_strdup(mem_ctx, "UNKNOWN");
} else {
*name = talloc_strdup(mem_ctx, nc.name);
}
int sock = -1;
mode_t old_umask;
char *path = NULL;
+ size_t path_len;
old_umask = umask(0);
unlink(path);
memset(&sunaddr, 0, sizeof(sunaddr));
sunaddr.sun_family = AF_UNIX;
- strlcpy(sunaddr.sun_path, path, sizeof(sunaddr.sun_path));
+
+ path_len = strlcpy(sunaddr.sun_path, path, sizeof(sunaddr.sun_path));
+ if (path_len > sizeof(sunaddr.sun_path)) {
+ DBG_ERR("Refusing to attempt to create pipe socket "
+ "%s. Path is longer than permitted for a "
+ "unix domain socket. It would truncate to "
+ "%s\n",
+ path,
+ sunaddr.sun_path);
+ goto out_close;
+ }
if (bind(sock, (struct sockaddr *)&sunaddr, sizeof(sunaddr)) == -1) {
DEBUG(0, ("bind failed on pipe socket %s: %s\n", path,
return false;
}
-struct getaddrinfo_state {
- const char *node;
- const char *service;
- const struct addrinfo *hints;
- struct addrinfo *res;
- int ret;
-};
-
-static void getaddrinfo_do(void *private_data);
-static void getaddrinfo_done(struct tevent_req *subreq);
-
-struct tevent_req *getaddrinfo_send(TALLOC_CTX *mem_ctx,
- struct tevent_context *ev,
- struct fncall_context *ctx,
- const char *node,
- const char *service,
- const struct addrinfo *hints)
-{
- struct tevent_req *req, *subreq;
- struct getaddrinfo_state *state;
-
- req = tevent_req_create(mem_ctx, &state, struct getaddrinfo_state);
- if (req == NULL) {
- return NULL;
- }
-
- state->node = node;
- state->service = service;
- state->hints = hints;
-
- subreq = fncall_send(state, ev, ctx, getaddrinfo_do, state);
- if (tevent_req_nomem(subreq, req)) {
- return tevent_req_post(req, ev);
- }
- tevent_req_set_callback(subreq, getaddrinfo_done, req);
- return req;
-}
-
-static void getaddrinfo_do(void *private_data)
-{
- struct getaddrinfo_state *state =
- (struct getaddrinfo_state *)private_data;
-
- state->ret = getaddrinfo(state->node, state->service, state->hints,
- &state->res);
-}
-
-static void getaddrinfo_done(struct tevent_req *subreq)
-{
- struct tevent_req *req = tevent_req_callback_data(
- subreq, struct tevent_req);
- int ret, err;
-
- ret = fncall_recv(subreq, &err);
- TALLOC_FREE(subreq);
- if (ret == -1) {
- tevent_req_error(req, err);
- return;
- }
- tevent_req_done(req);
-}
-
-int getaddrinfo_recv(struct tevent_req *req, struct addrinfo **res)
-{
- struct getaddrinfo_state *state = tevent_req_data(
- req, struct getaddrinfo_state);
- int err;
-
- if (tevent_req_is_unix_error(req, &err)) {
- switch(err) {
- case ENOMEM:
- return EAI_MEMORY;
- default:
- return EAI_FAIL;
- }
- }
- if (state->ret == 0) {
- *res = state->res;
- }
- return state->ret;
-}
-
int poll_one_fd(int fd, int events, int timeout, int *revents)
{
struct pollfd pfd;