Differential D21053 Diff 60085 usr.sbin/bhyve/pci_virtio_console.c

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usr.sbin/bhyve/pci_virtio_console.c

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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF		* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.		* SUCH DAMAGE.
*/		*/

#include <sys/cdefs.h>		#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");		__FBSDID("$FreeBSD$");

#include <sys/param.h>		#include <sys/param.h>
#ifndef WITHOUT_CAPSICUM
#include <sys/capsicum.h>
#endif
#include <sys/linker_set.h>		#include <sys/linker_set.h>
#include <sys/uio.h>		#include <sys/uio.h>
#include <sys/types.h>		#include <sys/types.h>
#include <sys/socket.h>		#include <sys/socket.h>
#include <sys/un.h>		#include <sys/un.h>

#ifndef WITHOUT_CAPSICUM
#include <capsicum_helpers.h>		#include <capsicum_helpers.h>
#endif
#include <err.h>		#include <err.h>
#include <errno.h>		#include <errno.h>
#include <fcntl.h>		#include <fcntl.h>
#include <stdio.h>		#include <stdio.h>
#include <stdlib.h>		#include <stdlib.h>
#include <stdbool.h>		#include <stdbool.h>
#include <string.h>		#include <string.h>
#include <unistd.h>		#include <unistd.h>
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static int		static int
pci_vtcon_sock_add(struct pci_vtcon_softc sc, const char name,		pci_vtcon_sock_add(struct pci_vtcon_softc sc, const char name,
const char *path)		const char *path)
{		{
struct pci_vtcon_sock *sock;		struct pci_vtcon_sock *sock;
struct sockaddr_un sun;		struct sockaddr_un sun;
char *pathcopy;		char *pathcopy;
int s = -1, fd = -1, error = 0;		int s = -1, fd = -1, error = 0;
#ifndef WITHOUT_CAPSICUM
cap_rights_t rights;		cap_rights_t rights;
#endif

sock = calloc(1, sizeof(struct pci_vtcon_sock));		sock = calloc(1, sizeof(struct pci_vtcon_sock));
if (sock == NULL) {		if (sock == NULL) {
error = -1;		error = -1;
goto out;		goto out;
}		}

s = socket(AF_UNIX, SOCK_STREAM, 0);		s = socket(AF_UNIX, SOCK_STREAM, 0);
Show All 31 Lines	if (fcntl(s, F_SETFL, O_NONBLOCK) < 0) {
goto out;		goto out;
}		}

if (listen(s, 1) < 0) {		if (listen(s, 1) < 0) {
error = -1;		error = -1;
goto out;		goto out;
}		}

#ifndef WITHOUT_CAPSICUM
cap_rights_init(&rights, CAP_ACCEPT, CAP_EVENT, CAP_READ, CAP_WRITE);		cap_rights_init(&rights, CAP_ACCEPT, CAP_EVENT, CAP_READ, CAP_WRITE);
if (caph_rights_limit(s, &rights) == -1)		if (caph_rights_limit(s, &rights) == -1)
errx(EX_OSERR, "Unable to apply rights for sandbox");		errx(EX_OSERR, "Unable to apply rights for sandbox");
#endif

sock->vss_port = pci_vtcon_port_add(sc, name, pci_vtcon_sock_tx, sock);		sock->vss_port = pci_vtcon_port_add(sc, name, pci_vtcon_sock_tx, sock);
if (sock->vss_port == NULL) {		if (sock->vss_port == NULL) {
error = -1;		error = -1;
goto out;		goto out;
}		}

sock->vss_open = false;		sock->vss_open = false;
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