int setup_linklocal_addr(int sock, struct Interface *iface)
{
struct ifconf ifconf;
unsigned int nlen;
uint8_t *p, *end;
int index = 0;
/* just allocate 8192 bytes, should be more than enough.. */
if (!(ifconf.ifc_buf = malloc(ifconf.ifc_len = (32 << 8))))
{
flog(LOG_CRIT, "malloc failed: %s", strerror(errno));
goto ret;
}
if (ioctl(sock, SIOCGIFCONF, &ifconf) < 0)
{
flog(LOG_ERR, "ioctl(SIOCGIFCONF) failed: %s(%d)", strerror(errno), errno);
goto ret;
}
p = (uint8_t *)ifconf.ifc_buf;
end = p + ifconf.ifc_len;
nlen = strlen(iface->Name);
while(p < end)
{
p += IFNAMSIZ;
if ((p + 2) >= end)
break;
if ((p + *p) >= end)
break;
if ((*(p + 1) == AF_LINK) &&
(((struct sockaddr_dl *)p)->sdl_nlen == nlen) &&
(!memcmp(iface->Name, ((struct sockaddr_dl *)p)->sdl_data, nlen)))
{
index = ((struct sockaddr_dl *)p)->sdl_index;
}
if (index && (*(p + 1) == AF_INET6))
if (!memcmp(&((struct sockaddr_in6 *)p)->sin6_addr, ll_prefix, sizeof(ll_prefix)))
{
memcpy(&iface->if_addr, &((struct sockaddr_in6 *)p)->sin6_addr, sizeof(struct in6_addr));
iface->if_index = index;
free(ifconf.ifc_buf);
return 0;
}
p += *p;
}
ret:
flog(LOG_ERR, "no linklocal address configured for %s", iface->Name);
free(ifconf.ifc_buf);
return -1;
}
int netlink_socket(void)
{
int rc, sock;
unsigned int val = 1;
struct sockaddr_nl snl;
sock = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (sock == -1) {
flog(LOG_ERR, "Unable to open netlink socket: %s", strerror(errno));
}
else if (setsockopt(sock, SOL_NETLINK, NETLINK_NO_ENOBUFS, &val, sizeof(val)) < 0 ) {
flog(LOG_ERR, "Unable to setsockopt NETLINK_NO_ENOBUFS: %s", strerror(errno));
}
memset(&snl, 0, sizeof(snl));
snl.nl_family = AF_NETLINK;
snl.nl_groups = RTMGRP_LINK;
rc = bind(sock, (struct sockaddr*)&snl, sizeof(snl));
if (rc == -1) {
flog(LOG_ERR, "Unable to bind netlink socket: %s", strerror(errno));
close(sock);
sock = -1;
}
return sock;
}
/*****************************************************************************
* storeListEntry
*
* Inputs:
* in6_addr *Target - this is the newly seen target to check
*
* Outputs:
* lRoot has a new item added if the address was new.
*
* Return:
* Void
*/
void storeListEntry(struct in6_addr *newEntry)
{
struct in6_addr *ptr;
// Take a permanenet copy of the target
ptr = (struct in6_addr *)malloc(sizeof(struct in6_addr) );
if (!ptr)
{
flog(LOG_ERR, "Malloc failed. Ignoring.");
return;
}
memcpy(ptr, newEntry, sizeof(struct in6_addr) );
if ( tfind( (void *)ptr, &lRoot, tCompare) == NULL )
{
// New entry
flog(LOG_DEBUG2, "New list entry");
if ( tsearch( (void *)ptr, &lRoot, tCompare) == NULL)
{
flog(LOG_ERR, "tsearch failed. Cannot record entry.");
return;
}
}
else
{
flog(LOG_ERR, "Dupe list entry. Ignoring.");
}
}
/*****************************************************************************
* getLinkaddress
* Get the link-level address (i.e. MAC address) for an interface.
*
* Inputs:
* char * iface
* String containg the interface name (e.g. "eth1")
*
* Outputs:
* unsigned char * link
* String of the form "00:12:34:56:78:90"
*
* Return:
* 0 is successful,
* 1 if error.
*/
int getLinkaddress( char * iface, unsigned char * link) {
int sockfd, io;
struct ifreq ifr;
strncpy( ifr.ifr_name, iface, INTERFACE_STRLEN );
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if(sockfd < 0) {
flog(LOG_ERR, "failed to open a test SOCK_STREAM.");
return 1;
}
io = ioctl(sockfd, SIOCGIFHWADDR, (char *)&ifr);
if(io < 0) {
close(sockfd);
flog(LOG_ERR, "octl failed to obtain link address");
return 1;
}
memcpy(link, (unsigned char *)ifr.ifr_ifru.ifru_hwaddr.sa_data, 6);
flog(LOG_ERR, "getLinkaddress :%x:%x:%x:%x:%x:%x",link[0],
link[1],link[2],link[3],link[4],link[5]);
close(sockfd);
return 0;
}
/*
try to register inotify watches, unregistering them if not compeltely successful
hold an open fd during the attempt, to prevent unmount during the process
*/
static int try_reg_watches(const char *qpath, const char *rqpath) {
int mpfd, ret = 0;
struct stat st;
/* unregister existing inotify watches */
unreg_watches();
/* try to quickly open a fd (expect read access on qpath) */
if ((mpfd = open(qpath, O_RDONLY | O_NONBLOCK | O_CLOEXEC)) != -1) {
if (lstat(qpath, &st) == -1 || !S_ISDIR(st.st_mode))
flog(LOG_NOTICE, "%s is not a directory, waiting...", qpath);
else if (lstat(rqpath, &st) == -1 || !S_ISDIR(st.st_mode))
flog(LOG_NOTICE, "%s is not a directory, waiting...", rqpath);
/* if registering inotify watches is unsuccessful, immediately unregister */
else if (reg_watches(qpath, rqpath))
ret = 1;
else
unreg_watches();
/* free the pin fd */
if (close(mpfd))
warning("could not close pin directory");
}
else
flog(LOG_NOTICE, "failed to pin %s, waiting...", qpath);
return ret;
}
void xainc(wchar_t *file, char *an, off_t inc)
{
char buf[32];
ssize_t al;
off_t val;
char *fn;
if(file[0] != L'/')
return;
if((fn = icswcstombs(file, NULL, NULL)) == NULL) {
flog(LOG_WARNING, "could not convert filename %ls into local charset: %s", file, strerror(errno));
return;
}
if((al = getxattr(fn, an, buf, sizeof(buf) - 1)) < 0) {
if(errno != ENOATTR) {
flog(LOG_WARNING, "could not get xattr %s on %s: %s", an, fn, strerror(errno));
return;
}
val = 0;
} else {
buf[al] = 0;
val = strtoll(buf, NULL, 10);
}
val += inc;
al = snprintf(buf, sizeof(buf), "%ji", (intmax_t)val);
if(setxattr(fn, an, buf, al, 0) < 0)
flog(LOG_WARNING, "could not set xattr %s on %s: %s", an, fn, strerror(errno));
}
static void check_pid_file(char const * daemon_pid_file_ident)
{
FILE * pidfile = fopen(daemon_pid_file_ident, "r");
if (!pidfile) {
flog(LOG_ERR, "unable to open pid file, %s: %s", daemon_pid_file_ident, strerror(errno));
exit(-1);
}
pid_t pid = -1;
int rc = fscanf(pidfile, "%d", &pid);
fclose(pidfile);
if (rc != 1) {
flog(LOG_ERR, "unable to read pid from pid file: %s", daemon_pid_file_ident);
exit(-1);
}
if (pid != getpid()) {
flog(LOG_ERR, "pid in file, %s, doesn't match getpid(): %d != %d", daemon_pid_file_ident, pid, getpid());
exit(-1);
}
dlog(LOG_DEBUG, 4, "validated pid file, %s: %d", daemon_pid_file_ident, pid);
}
/*****************************************************************************
* prefixset
* Take prefix in the form 1111:2222:3333:4444: and pad it to the
* full length
*
* Inputs:
* char * px
* String representation, fully padded.
*
* Outputs:
* As input
*
* Return:
* -1 on error, else bit length of unpadded prefix.
*
* Note:
* IMPORTANT! px *must* be big enough to hold full ipv6 string
*/
int prefixset(char px[])
{
size_t len;
int missing, c1, c2;
// First we must ensure fully padded with leading 0s
for(c1=0; c1<INET6_ADDRSTRLEN; c1+=5 )
{
len = strlen(px);
for(c2 = 0; c2 < 4; c2++)
{
if (px[c1+c2] != ':')
continue;
else
break;
}
missing = abs(c2-4);
if (missing != 0)
{
char suffix[INET6_ADDRSTRLEN];
strcpy( suffix, &px[c1]); // Grab the tail
memset(&px[c1], '0', missing); // pad it with missing zeros
px[c1+missing] = '\0'; // Reterminate
strcat(px, suffix); // Add the tail back
}
}
len = strlen(px);
switch (len) {
case 5:
strcat(px, "0000:0000:0000:0000:0000:0000:0000");
return 16;
case 10:
strcat(px, "0000:0000:0000:0000:0000:0000");
return 32;
case 15:
strcat(px, "0000:0000:0000:0000:0000");
return 48;
case 20:
strcat(px, "0000:0000:0000:0000");
return 64;
case 25:
strcat(px, "0000:0000:0000");
return 80;
case 30:
strcat(px, "0000:0000");
return 96;
case 35:
strcat(px, "0000");
return 112;
case 39:
flog(LOG_ERR, "Full 128-bits defined as the configured prefix. Sure???");
return 128;
default:
flog(LOG_ERR, "configured prefix not correctly formatted (len = %d)", len);
return -1;
}
}
/**
* Turns this program into a daemon. In doing so, we fork() and kill the
* parent process. Note too that stdout, stdin, and stderr are closed in
* daemon mode, and a file descriptor for a log file is opened.
* @param logp Path of the log file, NULL if no log file was specified
* @param logf Syslog facility, 0 if no facility was specified
* @param daemon False to turn off daemon mode (no fork, leave FDs open)
* @param logv Log verbosity, 2 is the default, 0 = no logging, 5 = everything
* @return 0 on success, > 0 on error
*/
int cgre_start_daemon(const char *logp, const int logf,
const unsigned char daemon, const int logv)
{
/* PID returned from the fork() */
pid_t pid;
/* Fork and die. */
if (daemon) {
pid = fork();
if (pid < 0) {
openlog("CGRE", LOG_CONS, LOG_DAEMON|LOG_WARNING);
syslog(LOG_DAEMON|LOG_WARNING, "Failed to fork,"
" error: %s", strerror(errno));
closelog();
fprintf(stderr, "Failed to fork(), %s\n",
strerror(errno));
return 1;
} else if (pid > 0) {
exit(EXIT_SUCCESS);
}
/* Change the file mode mask. */
umask(0);
} else {
cgroup_dbg("Not using daemon mode.\n");
pid = getpid();
}
cgre_start_log(logp, logf, logv);
if (!daemon) {
/* We can skip the rest, since we're not becoming a daemon. */
flog(LOG_INFO, "Proceeding with PID %d", getpid());
return 0;
} else {
/* Get a new SID for the child. */
if (setsid() < 0) {
flog(LOG_ERR, "Failed to get a new SID, error: %s",
strerror(errno));
return 2;
}
/* Change to the root directory. */
if (chdir("/") < 0) {
flog(LOG_ERR, "Failed to chdir to /, error: %s",
strerror(errno));
return 3;
}
/* Close standard file descriptors. */
close(STDIN_FILENO);
if (logfile != stdout)
close(STDOUT_FILENO);
close(STDERR_FILENO);
}
/* If we make it this far, we're a real daemon! Or we chose not to. */
flog(LOG_INFO, "Proceeding with PID %d", getpid());
return 0;
}
int
check_ip6_forwarding(void)
{
int forw_sysctl[] = { SYSCTL_IP6_FORWARDING };
int value;
size_t size = sizeof(value);
FILE *fp = NULL;
#ifdef __linux__
fp = fopen(PROC_SYS_IP6_FORWARDING, "r");
if (fp) {
fscanf(fp, "%d", &value);
fclose(fp);
}
else
flog(LOG_DEBUG, "Correct IPv6 forwarding procfs entry not found, "
"perhaps the procfs is disabled, "
"or the kernel interface has changed?");
#endif /* __linux__ */
if (!fp && sysctl(forw_sysctl, sizeof(forw_sysctl)/sizeof(forw_sysctl[0]),
&value, &size, NULL, 0) < 0) {
flog(LOG_DEBUG, "Correct IPv6 forwarding sysctl branch not found, "
"perhaps the kernel interface has changed?");
return(0); /* this is of advisory value only */
}
if (value != 1) {
flog(LOG_DEBUG, "IPv6 forwarding setting is: %u, should be 1", value);
return(-1);
}
return(0);
}
static int cgre_store_unchanged_process(pid_t pid, int flags)
{
int i;
for (i = 0; i < array_unch.index; i++) {
if (array_unch.proc[i].pid != pid)
continue;
/* pid is stored already. */
return 0;
}
if (array_unch.index >= array_unch.num_allocation) {
int alloc = array_unch.num_allocation + NUM_PER_REALLOCATIOM;
void *new_array = realloc(array_unch.proc,
sizeof(unchanged_pid_t) * alloc);
if (!new_array) {
flog(LOG_WARNING, "Failed to allocate memory");
return 1;
}
array_unch.proc = new_array;
array_unch.num_allocation = alloc;
}
array_unch.proc[array_unch.index].pid = pid;
array_unch.proc[array_unch.index].flags = flags;
array_unch.index++;
flog(LOG_DEBUG, "Store the unchanged process (PID: %d, FLAGS: %d)",
pid, flags);
return 0;
}
int check_device(struct Interface *iface)
{
struct ifreq ifr;
strncpy(ifr.ifr_name, iface->Name, IFNAMSIZ - 1);
ifr.ifr_name[IFNAMSIZ - 1] = '\0';
if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
if (!iface->IgnoreIfMissing)
flog(LOG_ERR, "ioctl(SIOCGIFFLAGS) failed for %s: %s", iface->Name, strerror(errno));
return -1;
}
if (!(ifr.ifr_flags & IFF_UP)) {
if (!iface->IgnoreIfMissing)
flog(LOG_ERR, "interface %s is not UP", iface->Name);
return -1;
}
if (!(ifr.ifr_flags & IFF_RUNNING)) {
if (!iface->IgnoreIfMissing)
flog(LOG_ERR, "interface %s is not RUNNING", iface->Name);
return -1;
}
if (!iface->UnicastOnly && !(ifr.ifr_flags & IFF_MULTICAST)) {
flog(LOG_INFO, "interface %s does not support multicast, forcing UnicastOnly", iface->Name);
iface->UnicastOnly = 1;
}
return 0;
}
int get_v4addr(const char *ifn, unsigned int *dst)
{
struct ifreq ifr;
struct sockaddr_in *addr;
int fd;
if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
flog(LOG_ERR, "create socket for IPv4 ioctl failed for %s: %s", ifn, strerror(errno));
return -1;
}
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, ifn, IFNAMSIZ - 1);
ifr.ifr_name[IFNAMSIZ - 1] = '\0';
ifr.ifr_addr.sa_family = AF_INET;
if (ioctl(fd, SIOCGIFADDR, &ifr) < 0) {
flog(LOG_ERR, "ioctl(SIOCGIFADDR) failed for %s: %s", ifn, strerror(errno));
close(fd);
return -1;
}
addr = (struct sockaddr_in *)(&ifr.ifr_addr);
dlog(LOG_DEBUG, 3, "IPv4 address for %s is %s", ifn, inet_ntoa(addr->sin_addr));
*dst = addr->sin_addr.s_addr;
close(fd);
return 0;
}
int distribute_file(char* name, char* contents, int numBlocks, int send_sockfd, int recv_sockfd, int port) {
flog("Going to distribute %s with %d blocks", name, numBlocks);
if(numBlocks > 0) {
int i;
struct block curBlock;
memset(&curBlock, 0, sizeof(curBlock));
strncpy(curBlock.filename, name, sizeof(name));
curBlock.total_blocks = numBlocks;
for(i = 0; i < numBlocks; i++) {
strncpy(curBlock.payload, contents+i*BLOCKSIZE, BLOCKSIZE);
curBlock.paysize = strlen(curBlock.payload);
//convert the block to network order
struct block net_blk;
block_local_to_network(&curBlock, &net_blk);
//send the block to 2 hosts
hostRecord* firstHost = sendBlockToAHost(NULL, net_blk, send_sockfd, recv_sockfd, port);
hostRecord* secondHost = sendBlockToAHost(firstHost, net_blk, send_sockfd, recv_sockfd, port);
flog("Set block %d to hosts %s and %s", i, firstHost->hostAddr, secondHost->hostAddr);
}
}
flog("Done distributing %s", name);
return TRUE;
}
void process_netlink_msg(int sock)
{
int len;
char buf[4096];
struct iovec iov = { buf, sizeof(buf) };
struct sockaddr_nl sa;
struct msghdr msg = { (void *)&sa, sizeof(sa), &iov, 1, NULL, 0, 0 };
struct nlmsghdr *nh;
struct ifinfomsg * ifinfo;
char ifname[IF_NAMESIZE] = {""};
len = recvmsg (sock, &msg, 0);
if (len == -1) {
flog(LOG_ERR, "recvmsg failed: %s", strerror(errno));
}
for (nh = (struct nlmsghdr *) buf; NLMSG_OK (nh, len); nh = NLMSG_NEXT (nh, len)) {
/* The end of multipart message. */
if (nh->nlmsg_type == NLMSG_DONE)
return;
if (nh->nlmsg_type == NLMSG_ERROR) {
flog(LOG_ERR, "%s:%d Some type of netlink error.\n", __FILE__, __LINE__);
abort();
}
/*
if (nh->nlmsg_type == RTM_NEWPREFIX) {
ifinfo = NLMSG_DATA(nh);
if_indextoname(ifinfo->ifi_index, ifname);
dlog(LOG_DEBUG, 3, "%s receive new prefix.\n", ifname);
char tether_interface[PROPERTY_VALUE_MAX] = {'\0'};
if (!property_get("net.ipv6.tether", tether_interface, NULL)) {
flog(LOG_ERR, "netlink get tether interface failed!");
abort();
}
if(!strncmp(tether_interface, ifname, strlen(ifname))){
dlog(LOG_DEBUG, 2, "reload config for new prefix.\n");
reload_config();
}
return ;
}
*/
/* Continue with parsing payload. */
ifinfo = NLMSG_DATA(nh);
if_indextoname(ifinfo->ifi_index, ifname);
if (ifinfo->ifi_flags & IFF_RUNNING) {
dlog(LOG_DEBUG, 3, "%s, ifindex %d, flags is running", ifname, ifinfo->ifi_index);
}
else {
dlog(LOG_DEBUG, 3, "%s, ifindex %d, flags is *NOT* running", ifname, ifinfo->ifi_index);
set_last_prefix(ifname);
}
reload_config();
}
}
/* run loop for given queue type and msgid[.del]; msgid is a volatile string */
static void run_loop(const char *qtype, const char *msgid, const char *looppath) {
const char *args[] = { looppath, qtype, msgid, NULL };
if (run_process(MAX_PROC, WAIT_PROC, args))
flog(LOG_INFO, "processing: %s %s", qtype, msgid);
else
flog(LOG_WARNING, "failed to launch: %s %s", qtype, msgid);
}
void _ClearPIDMap( DShowCaptureInfo *pCapInfo )
{
HRESULT hr;
CComPtr <IPin> pPin;
if ( pCapInfo->pBDADemux == NULL ) return;
if ( SUCCEEDED(hr = graphTools.FindPin( pCapInfo->pBDADemux, L"1", &pPin.p, REQUESTED_PINDIR_OUTPUT )) )
{
IMPEG2PIDMap *pIPidMap = NULL;
hr = pPin->QueryInterface(IID_IMPEG2PIDMap, (void**)&pIPidMap);
if (SUCCEEDED(hr))
{
ULONG i,pid_total = 0;
ULONG* unmap_pids=NULL;
IEnumPIDMap *pIEnumPIDMap;
if (SUCCEEDED(pIPidMap->EnumPIDMap(&pIEnumPIDMap)))
{
ULONG num;
PID_MAP pPidMap;
//count pid;
while( pIEnumPIDMap->Next(1, &pPidMap, &num) == S_OK ) pid_total++;
unmap_pids = new ULONG[pid_total+1];
//get pids
i = 0;
pIEnumPIDMap->Reset();
while(pIEnumPIDMap->Next(1, &pPidMap, &num) == S_OK)
{
unmap_pids[i++] = pPidMap.ulPID;
}
SAFE_RELEASE( pIEnumPIDMap );
//unmap pid
if ( FAILED( hr = pIPidMap->UnmapPID( pid_total, unmap_pids ) ) )
{
//flog( ("native.log", "Failed to UnmapPID on TIF pin hr=0x%x \r\n", hr ) );
} else
{
flog( ("native.log", "UnmapPID TIF Pin total:%d \r\n", pid_total ) );
}
delete unmap_pids;
} else
flog( ("native.log", "Failed to get EnumPIDMap on TIF Pin of Dumexlexer hr=0x%x \r\n", hr ) );
SAFE_RELEASE( pIPidMap );
}
else
{
flog( ("native.log", "Failed to get IMPEG2PIDMap on Pin-1 to map pid hr=0x%x \r\n", hr ) );
}
} else
{
flog( ("native.log", "Failed to get Pin-1 to map pid hr=0x%x \r\n", hr ) );
}
}
static void process_rs(struct Interface *iface, unsigned char *msg, int len, struct sockaddr_in6 *addr)
{
double delay;
double next;
struct timespec ts;
uint8_t *opt_str;
/* validation */
len -= sizeof(struct nd_router_solicit);
opt_str = (uint8_t *) (msg + sizeof(struct nd_router_solicit));
while (len > 0) {
int optlen;
if (len < 2) {
flog(LOG_WARNING, "trailing garbage in RS");
return;
}
optlen = (opt_str[1] << 3);
if (optlen == 0) {
flog(LOG_WARNING, "zero length option in RS");
return;
} else if (optlen > len) {
flog(LOG_WARNING, "option length greater than total length in RS");
return;
}
if (*opt_str == ND_OPT_SOURCE_LINKADDR && IN6_IS_ADDR_UNSPECIFIED(&addr->sin6_addr)) {
flog(LOG_WARNING, "received icmpv6 RS packet with unspecified source address and there is a lladdr option");
return;
}
len -= optlen;
opt_str += optlen;
}
clock_gettime(CLOCK_MONOTONIC, &ts);
delay = MAX_RA_DELAY_TIME * rand() / (RAND_MAX + 1.0);
if (iface->UnicastOnly) {
send_ra_forall(iface, &addr->sin6_addr);
} else if (timespecdiff(&ts, &iface->last_multicast) / 1000.0 < iface->MinDelayBetweenRAs) {
/* last RA was sent only a few moments ago, don't send another immediately. */
next =
iface->MinDelayBetweenRAs - (ts.tv_sec + ts.tv_nsec / 1000000000.0) + (iface->last_multicast.tv_sec + iface->last_multicast.tv_nsec / 1000000000.0) + delay / 1000.0;
iface->next_multicast = next_timespec(next);
} else {
/* no RA sent in a while, send a multicast reply */
send_ra_forall(iface, NULL);
next = rand_between(iface->MinRtrAdvInterval, iface->MaxRtrAdvInterval);
iface->next_multicast = next_timespec(next);
}
}
HRESULT tuneATSCQAMChannel( DShowCaptureInfo* pCapInfo, long lPhysicalChannel, unsigned long lFrequency, long lModulation )
{
HRESULT hr = S_OK;
if ( pCapInfo->pDebugSrcSink != NULL ) //when debugsrc is on, always bypass tune.
return 1;
//its's a virtual tuner, skip;
if (capMask(pCapInfo->captureConfig, sage_DShowCaptureDevice_BDA_VIRTUAL_TUNER_MASK ))
return 1;
lFrequency /= 1000;
// create tune request
CComPtr <ITuneRequest> pTuneRequest;
if (FAILED(hr = graphTools.CreateQAMTuneRequest(
pCapInfo->pTuningSpace, pTuneRequest,
lPhysicalChannel, lFrequency, lModulation )))
{
flog( ("native.log", "Failed to create a QAM Tune Request for channe %d frq:%d mod:%d hr=0x%x.\n", lPhysicalChannel, lFrequency, lModulation, hr ) );
return -1;
}
try
{
if (FAILED(hr = pCapInfo->pTuner->Validate(pTuneRequest)))
{
flog( ("native.log", "Validate QAM tune request for channel %d, frq:%d mod:%d failed hr=0x%x.\n", lPhysicalChannel, lFrequency, lModulation, hr ) );
}
if (FAILED(hr = pCapInfo->pTuner->put_TuneRequest(pTuneRequest)))
{
flog( ("native.log", "Cannot submit QAM tune request for channel %d, frq:%d mod:%d hr=0x%x.\n", lPhysicalChannel, lFrequency, lModulation, hr ) );
return -1;
}
else
{
//IBDA_DeviceControl* BDA_DeviceControl;
//hr = pCapInfo->pBDATuner->QueryInterface( IID_IBDA_DeviceControl, (void **) &BDA_DeviceControl);
//if ( hr == S_OK )
//{
// hr = BDA_DeviceControl->CheckChanges();
// if ( hr == S_OK )
// hr = BDA_DeviceControl->CommitChanges();
//}
flog( ("native.log", "Changed QAM Channel %d frq:%d mod:%d \n", lPhysicalChannel, lFrequency, lModulation ) );
pCapInfo->dwTuneState = 1;
}
}
catch (...)
{
flog( ("native.log", "Exception for changing QAM Channel %d, hr=0x%x\n", lPhysicalChannel, hr ) );
return -1;
}
return 1;
}
/* get one block out of storage */
static void storage_get(int cblock, char *what) {
flog("storage_get(%d,...)",cblock);
if (!storage_used[cblock]) {
flog("attempt to get unused cblock %d\n",cblock);
}
int offset = cblock*BLOCKSIZE; int i;
for (i=0; i<BLOCKSIZE; i++) {
what[i]=storage[offset++];
}
}
/**
* Start logging. Opens syslog and/or log file and sets log level.
* @param logp Path of the log file, NULL if no log file was specified
* @param logf Syslog facility, NULL if no facility was specified
* @param logv Log verbosity, 2 is the default, 0 = no logging, 4 = everything
*/
static void cgre_start_log(const char *logp, int logf, int logv)
{
/* Current system time */
time_t tm;
/* Log levels */
int loglevels[] = {
LOG_EMERG, /* -qq */
LOG_ERR, /* -q */
LOG_NOTICE, /* default */
LOG_INFO, /* -v */
LOG_DEBUG /* -vv */
};
/* Set default logging destination if nothing was specified */
if (!logp && !logf)
logf = LOG_DAEMON;
/* Open log file */
if (logp) {
if (strcmp("-", logp) == 0) {
logfile = stdout;
} else {
logfile = fopen(logp, "a");
if (!logfile) {
fprintf(stderr, "Failed to open log file %s,"
" error: %s. Continuing anyway.\n",
logp, strerror(errno));
logfile = stdout;
}
}
} else
logfile = NULL;
/* Open syslog */
if (logf) {
openlog("CGRE", LOG_CONS | LOG_PID, logf);
logfacility = logf;
} else
logfacility = 0;
/* Set the log level */
if (logv < 0)
logv = 0;
if (logv >= sizeof(loglevels)/sizeof(int))
logv = sizeof(loglevels)/sizeof(int)-1;
loglevel = loglevels[logv];
flog(LOG_DEBUG, "CGroup Rules Engine Daemon log started");
tm = time(0);
flog(LOG_DEBUG, "Current time: %s", ctime(&tm));
flog(LOG_DEBUG, "Opened log file: %s, log facility: %d, log level: %d",
logp, logfacility, loglevel);
}
int lumberjack_connect(struct lumberjack *lumberjack) {
/* TODO(sissel): support ipv6, if anyone ever uses that in production ;) */
insist(lumberjack != NULL, "lumberjack must not be NULL");
int rc;
rc = lumberjack_tcp_connect(lumberjack);
if (rc < 0) {
return -1;
}
rc = lumberjack_ssl_handshake(lumberjack);
if (rc < 0) {
flog(stdout, "ssl handshake failed");
lumberjack_disconnect(lumberjack);
return -1;
}
/* If we get here, tcp connect + ssl handshake has succeeded */
lumberjack->connected = 1;
/* Always truncate the output buffer on a new connection.
* This prevents accidental buffer leaks from an old/dead connection
* into this new one.
*
* The symptom of such a leak is that, upon a new connection,
* the oldest non-ack'd event is not the first event seen by the receiver.
*/
str_truncate(lumberjack->io_buffer);
/* Send our window size */
rc = lumberjack_write_window_size(lumberjack);
if (rc < 0) {
flog(stdout, "lumberjack_write_window_size failed: %d", rc);
lumberjack_disconnect(lumberjack);
return -1;
}
/* Retransmit anything currently in the ring (unacknowledged data frames)
* This is a no-op if there's nothing in the ring. */
rc = lumberjack_retransmit_all(lumberjack);
if (rc < 0) {
flog(stdout, "lumberjack_retransmit_all failed");
/* Retransmit failed, which means a write failed during retransmit,
* disconnect and claim a connection failure. */
lumberjack_disconnect(lumberjack);
return -1;
}
insist(lumberjack->fd > 0,
"lumberjack->fd must be > 0 after a connect, was %d", lumberjack->fd);
insist(lumberjack->ssl != NULL,
"lumberjack->ssl must not be NULL after a connect");
return 0;
} /* lumberjack_connect */
// render the volumes
void minilod::render(float ex,float ey,float ez,
float farp,
float fovy,float aspect,
float t,
int phase)
{
int i,j;
minibrickdata *brk;
miniloddata *vol;
minibrick *brick;
float dist;
int lod;
// configure bricks
for (i=0; i<BNUM; i++)
for (j=0; j<BRICKS[i].lods; j++)
BRICKS[i].brick[j].configure_stripeoffset(CONFIGURE_BRICKOFFSET);
// render volumes
for (i=MINIBRICK_FIRST_RENDER_PHASE; i<=MINIBRICK_LAST_RENDER_PHASE; i++)
if (phase==MINIBRICK_ONE_RENDER_PHASE || i==phase)
for (j=0; j<VNUM; j++)
{
// get actual volume
vol=&VOLS[j];
// get indexed brick
brk=&BRICKS[vol->index];
// calculate distance
dist=fsqr((vol->x+OFFSETLON)*SCALEX-ex)+fsqr((vol->y+OFFSETLAT)*SCALEY-ez)+fsqr(vol->e*SCALEELEV-ey);
dist/=fsqr(brk->brad);
// calculate lod
if (dist<=1.0f) lod=0;
else lod=ftrc(flog(dist)/flog(brk->stagger)/2.0f+0.5f);
if (lod>=brk->lods) lod=brk->lods-1;
// get actual brick lod
brick=&brk->brick[lod];
// set position
brick->resetpos(vol->x,vol->y,vol->e,vol->dx,vol->dy,vol->de);
// set color
brick->addiso(0.5f,vol->r,vol->g,vol->b,vol->a);
// render mesh
brick->render(ex,ey,ez,0.0f,farp,fovy,aspect,0.0f,i);
}
}
HRESULT tuneATSCChannel( DShowCaptureInfo* pCapInfo, ATSC_FREQ* atsc, int bDryRun )
{
HRESULT hr = S_OK;
long lPhysicalChannel;
long lFrequency;
if ( pCapInfo->pDebugSrcSink != NULL ) //when debugsrc is on, always bypass tune.
return 1;
//its's a virtual tuner, skip;
if (capMask(pCapInfo->captureConfig, sage_DShowCaptureDevice_BDA_VIRTUAL_TUNER_MASK ))
{
pCapInfo->dwTuneState = 1;
return 1;
}
if ( bDryRun ) return 1;
lPhysicalChannel = atsc->physical_ch;
lFrequency = atsc->frequency/1000;
// create tune request
CComPtr <ITuneRequest> pTuneRequest;
if (FAILED(hr = graphTools.CreateATSCTuneRequest(
pCapInfo->pTuningSpace, pTuneRequest,
-1, -1, lPhysicalChannel, lFrequency )))
{
flog( ("native.log", "Failed to create a ATSC Tune Request for channe %d, hr=0x%x.\n", lPhysicalChannel, hr ) );
return -1;
}
try
{
if (FAILED(hr = pCapInfo->pTuner->put_TuneRequest(pTuneRequest)))
{
flog( ("native.log", "Cannot submit ATSC tune request for channel %d, hr=0x%x.\n", lPhysicalChannel, hr ) );
return -1;
}
else
{
flog( ("native.log", "Changed ATSC Channel %d (%d)\n", lPhysicalChannel, lFrequency ) );
pCapInfo->dwTuneState = 1;
}
}
catch (...)
{
flog( ("native.log", "Exception for changing ATSC Channel %d, hr=0x%x\n", lPhysicalChannel, hr ) );
return -1;
}
return 1;
}
hostRecord* chooseRandomHost() {
int randNum;
hostRecord* curChoice;
flog("Starting chooseRandomHost()\n");
do {
if(getNumValidHosts() <= 1) {
flog("1 or fewer hosts available\n");
}
randNum = rand() % MAX_STORED_HOSTS;
} while((curChoice = getHostRecordAt(randNum)) == NULL);
flog("Done with chooseRandomHost(). Return %s\n", curChoice->hostAddr);
return curChoice;
}
int tuneDVBTFrequency( DShowCaptureInfo* pCapInfo, DVB_T_FREQ* dvbt, int bDryRun )
{
HRESULT hr = S_OK;
long freq, band;
freq = dvbt->frequency/1000; //BDA driver in KHz
band = dvbt->bandwidth;
if ( pCapInfo->pDebugSrcSink != NULL ) //when debugsrc is on, always bypass tune.
return 1;
//its's a virtual tuner, skip;
if (capMask(pCapInfo->captureConfig, sage_DShowCaptureDevice_BDA_VIRTUAL_TUNER_MASK ))
{
pCapInfo->dwTuneState = 1;
return 1;
}
if ( bDryRun ) return 1;
// create tune request
CComPtr <ITuneRequest> pTuneRequest;
if (FAILED(hr = graphTools.CreateDVBTTuneRequest(
pCapInfo->pTuningSpace, pTuneRequest, freq, band )))
{
flog( ("native.log", "Failed to create a DVB-T Tune Request for freq %d band :%d, hr=0x%x.\n", freq, band, hr ) );
return -1;
}
try
{
SetupTunerFreq( pCapInfo, freq*1000, band, -1 );
if (FAILED(hr = pCapInfo->pTuner->put_TuneRequest(pTuneRequest)))
{
flog( ("native.log", "Cannot submit DVB-T tune request for freq %d band :%d, hr=0x%x.\n", freq, band, hr ) );
return -1;
}
else
{
flog( ("native.log", "Sucessful Changing DVB-T freq %d band :%d \n", freq, band ) );
pCapInfo->dwTuneState = 1;
}
}
catch (...)
{
flog( ("native.log", "Exception for changing DVB-T freq %d band :%d, hr=0x%x\n", freq, band, hr ) );
return -1;
}
return 1;
}
/* Fork to create privileged process connected by a pipe */
int
privsep_init(void)
{
int pipefds[2];
pid_t pid;
if (privsep_enabled())
return 0;
if (pipe(pipefds) != 0) {
flog(LOG_ERR, "Couldn't create privsep pipe.");
return (-1);
}
pid = fork();
if (pid == -1) {
flog(LOG_ERR, "Couldn't fork for privsep.");
return (-1);
}
if (pid == 0) {
int nullfd;
/* This will be the privileged child */
close(pipefds[1]);
pfd = pipefds[0];
/* Detach from stdio */
nullfd = open("/dev/null", O_RDONLY);
if (nullfd < 0) {
perror("/dev/null");
close(pfd);
_exit(1);
}
dup2(nullfd, 0);
dup2(nullfd, 1);
/* XXX: we'll keep stderr open in debug mode for better logging */
if (get_debuglevel() == 0)
dup2(nullfd, 2);
privsep_read_loop();
close(pfd);
_exit(0);
}
/* Continue execution (will drop privileges soon) */
close(pipefds[0]);
pfd = pipefds[1];
return 0;
}
/* forget all records for a file */
int forget_file(const char *name) {
Content *f;
if (strlen(name)>255) {
flog("name %s too long",name);
return FALSE;
}
f = content_get(name);
if (f==NULL) {
flog("no file '%s' to forget",name);
return FALSE;
}
clist_forget(f);
return TRUE;
}
static void
logret(char *pre, Fsstate *fss, int ret)
{
switch(ret){
default:
flog("%s: code %d", pre, ret);
break;
case RpcErrstr:
flog("%s: error %r", pre);
break;
case RpcFailure:
flog("%s: failure %s", pre, fss->err);
break;
case RpcNeedkey:
flog("%s: needkey %s", pre, fss->keyinfo);
break;
case RpcOk:
flog("%s: ok", pre);
break;
case RpcToosmall:
flog("%s: toosmall %d", pre, fss->rpc.nwant);
break;
case RpcPhase:
flog("%s: phase: %r", pre);
break;
case RpcConfirm:
flog("%s: waiting for confirm", pre);
break;
}
}
static int drop_root_privileges(const char *username)
{
struct passwd *pw = getpwnam(username);
if (pw) {
if (initgroups(username, pw->pw_gid) != 0 || setgid(pw->pw_gid) != 0 || setuid(pw->pw_uid) != 0) {
flog(LOG_ERR, "Couldn't change to '%.32s' uid=%d gid=%d", username, pw->pw_uid, pw->pw_gid);
return -1;
}
} else {
flog(LOG_ERR, "Couldn't find user '%.32s'", username);
return -1;
}
return 0;
}
