static int
pcap_activate_libdlpi(pcap_t *p)
{
struct pcap_dlpi *pd = p->priv;
int retv;
dlpi_handle_t dh;
dlpi_info_t dlinfo;
int err = PCAP_ERROR;
/*
* Enable Solaris raw and passive DLPI extensions;
* dlpi_open() will not fail if the underlying link does not support
* passive mode. See dlpi(7P) for details.
*/
retv = dlpi_open(p->opt.source, &dh, DLPI_RAW|DLPI_PASSIVE);
if (retv != DLPI_SUCCESS) {
if (retv == DLPI_ELINKNAMEINVAL || retv == DLPI_ENOLINK)
err = PCAP_ERROR_NO_SUCH_DEVICE;
else if (retv == DL_SYSERR &&
(errno == EPERM || errno == EACCES))
err = PCAP_ERROR_PERM_DENIED;
pcap_libdlpi_err(p->opt.source, "dlpi_open", retv,
p->errbuf);
return (err);
}
pd->dlpi_hd = dh;
if (p->opt.rfmon) {
/*
* This device exists, but we don't support monitor mode
* any platforms that support DLPI.
*/
err = PCAP_ERROR_RFMON_NOTSUP;
goto bad;
}
/* Bind with DLPI_ANY_SAP. */
if ((retv = dlpi_bind(pd->dlpi_hd, DLPI_ANY_SAP, 0)) != DLPI_SUCCESS) {
pcap_libdlpi_err(p->opt.source, "dlpi_bind", retv, p->errbuf);
goto bad;
}
/* Enable promiscuous mode. */
if (p->opt.promisc) {
err = dlpromiscon(p, DL_PROMISC_PHYS);
if (err < 0) {
/*
* "You don't have permission to capture on
* this device" and "you don't have permission
* to capture in promiscuous mode on this
* device" are different; let the user know,
* so if they can't get permission to
* capture in promiscuous mode, they can at
* least try to capture in non-promiscuous
* mode.
*
* XXX - you might have to capture in
* promiscuous mode to see outgoing packets.
*/
if (err == PCAP_ERROR_PERM_DENIED)
err = PCAP_ERROR_PROMISC_PERM_DENIED;
goto bad;
}
} else {
/* Try to enable multicast. */
err = dlpromiscon(p, DL_PROMISC_MULTI);
if (err < 0)
goto bad;
}
/* Try to enable SAP promiscuity. */
err = dlpromiscon(p, DL_PROMISC_SAP);
if (err < 0) {
/*
* Not fatal, since the DL_PROMISC_PHYS mode worked.
* Report it as a warning, however.
*/
if (p->opt.promisc)
err = PCAP_WARNING;
else
goto bad;
}
/* Determine link type. */
if ((retv = dlpi_info(pd->dlpi_hd, &dlinfo, 0)) != DLPI_SUCCESS) {
pcap_libdlpi_err(p->opt.source, "dlpi_info", retv, p->errbuf);
goto bad;
}
if (pcap_process_mactype(p, dlinfo.di_mactype) != 0)
goto bad;
p->fd = dlpi_fd(pd->dlpi_hd);
/* Push and configure bufmod. */
if (pcap_conf_bufmod(p, p->snapshot) != 0)
goto bad;
/*
* Flush the read side.
*/
if (ioctl(p->fd, I_FLUSH, FLUSHR) != 0) {
snprintf(p->errbuf, PCAP_ERRBUF_SIZE, "FLUSHR: %s",
pcap_strerror(errno));
goto bad;
}
/* Allocate data buffer. */
if (pcap_alloc_databuf(p) != 0)
goto bad;
/*
* "p->fd" is a FD for a STREAMS device, so "select()" and
* "poll()" should work on it.
*/
p->selectable_fd = p->fd;
p->read_op = pcap_read_libdlpi;
p->inject_op = pcap_inject_libdlpi;
p->setfilter_op = install_bpf_program; /* No kernel filtering */
p->setdirection_op = NULL; /* Not implemented */
p->set_datalink_op = NULL; /* Can't change data link type */
p->getnonblock_op = pcap_getnonblock_fd;
p->setnonblock_op = pcap_setnonblock_fd;
p->stats_op = pcap_stats_dlpi;
p->cleanup_op = pcap_cleanup_libdlpi;
return (0);
bad:
pcap_cleanup_libdlpi(p);
return (err);
}
static int
pcap_activate_libdlpi(pcap_t *p)
{
int retv;
dlpi_handle_t dh;
dlpi_info_t dlinfo;
int err = PCAP_ERROR;
/*
* Enable Solaris raw and passive DLPI extensions;
* dlpi_open() will not fail if the underlying link does not support
* passive mode. See dlpi(7P) for details.
*/
retv = dlpi_open(p->opt.source, &dh, DLPI_RAW|DLPI_PASSIVE);
if (retv != DLPI_SUCCESS) {
if (retv == DLPI_ELINKNAMEINVAL || retv == DLPI_ENOLINK)
err = PCAP_ERROR_NO_SUCH_DEVICE;
else if (retv == DL_SYSERR && errno == EACCES)
err = PCAP_ERROR_PERM_DENIED;
pcap_libdlpi_err(p->opt.source, "dlpi_open", retv,
p->errbuf);
return (err);
}
p->dlpi_hd = dh;
if (p->opt.rfmon) {
/*
* This device exists, but we don't support monitor mode
* any platforms that support DLPI.
*/
err = PCAP_ERROR_RFMON_NOTSUP;
goto bad;
}
/* Bind with DLPI_ANY_SAP. */
if ((retv = dlpi_bind(p->dlpi_hd, DLPI_ANY_SAP, 0)) != DLPI_SUCCESS) {
pcap_libdlpi_err(p->opt.source, "dlpi_bind", retv, p->errbuf);
goto bad;
}
/* Enable promiscuous mode. */
if (p->opt.promisc) {
retv = dlpi_promiscon(p->dlpi_hd, DL_PROMISC_PHYS);
if (retv != DLPI_SUCCESS) {
pcap_libdlpi_err(p->opt.source,
"dlpi_promisc(PHYSICAL)", retv, p->errbuf);
goto bad;
}
} else {
/* Try to enable multicast. */
retv = dlpi_promiscon(p->dlpi_hd, DL_PROMISC_MULTI);
if (retv != DLPI_SUCCESS) {
pcap_libdlpi_err(p->opt.source, "dlpi_promisc(MULTI)",
retv, p->errbuf);
goto bad;
}
}
/* Try to enable SAP promiscuity. */
retv = dlpi_promiscon(p->dlpi_hd, DL_PROMISC_SAP);
if (retv != DLPI_SUCCESS) {
if (p->opt.promisc) {
pcap_libdlpi_err(p->opt.source, "dlpi_promisc(SAP)",
retv, p->errbuf);
goto bad;
}
/* Not fatal, since the DL_PROMISC_PHYS mode worked. */
fprintf(stderr, "WARNING: dlpi_promisc(SAP) failed on"
" %s:(%s)\n", p->opt.source, dlpi_strerror(retv));
}
/* Determine link type. */
if ((retv = dlpi_info(p->dlpi_hd, &dlinfo, 0)) != DLPI_SUCCESS) {
pcap_libdlpi_err(p->opt.source, "dlpi_info", retv, p->errbuf);
goto bad;
}
if (pcap_process_mactype(p, dlinfo.di_mactype) != 0)
goto bad;
p->fd = dlpi_fd(p->dlpi_hd);
/* Push and configure bufmod. */
if (pcap_conf_bufmod(p, p->snapshot, p->md.timeout) != 0)
goto bad;
/*
* Flush the read side.
*/
if (ioctl(p->fd, I_FLUSH, FLUSHR) != 0) {
snprintf(p->errbuf, PCAP_ERRBUF_SIZE, "FLUSHR: %s",
pcap_strerror(errno));
goto bad;
}
/* Allocate data buffer. */
if (pcap_alloc_databuf(p) != 0)
goto bad;
/*
* "p->fd" is a FD for a STREAMS device, so "select()" and
* "poll()" should work on it.
*/
p->selectable_fd = p->fd;
p->read_op = pcap_read_libdlpi;
p->inject_op = pcap_inject_libdlpi;
p->setfilter_op = install_bpf_program; /* No kernel filtering */
p->setdirection_op = NULL; /* Not implemented */
p->set_datalink_op = NULL; /* Can't change data link type */
p->getnonblock_op = pcap_getnonblock_fd;
p->setnonblock_op = pcap_setnonblock_fd;
p->stats_op = pcap_stats_dlpi;
p->cleanup_op = pcap_cleanup_libdlpi;
return (0);
bad:
pcap_cleanup_libdlpi(p);
return (err);
}
