int realpath_main(int argc, char **argv)
{
int retval = EXIT_SUCCESS;
#if PATH_MAX > (BUFSIZ+1)
RESERVE_CONFIG_BUFFER(resolved_path, PATH_MAX);
# define resolved_path_MUST_FREE 1
#else
#define resolved_path bb_common_bufsiz1
# define resolved_path_MUST_FREE 0
#endif
if (--argc == 0) {
bb_show_usage();
}
do {
argv++;
if (realpath(*argv, resolved_path) != NULL) {
puts(resolved_path);
} else {
retval = EXIT_FAILURE;
bb_perror_msg("%s", *argv);
}
} while (--argc);
#if ENABLE_FEATURE_CLEAN_UP && resolved_path_MUST_FREE
RELEASE_CONFIG_BUFFER(resolved_path);
#endif
bb_fflush_stdout_and_exit(retval);
}
static int check_utc(void)
{
int utc = 0;
FILE *f = fopen(ADJTIME_PATH, "r");
if (f) {
RESERVE_CONFIG_BUFFER(buffer, 128);
while (fgets(buffer, sizeof(buffer), f)) {
int len = strlen(buffer);
while (len && isspace(buffer[len - 1]))
len--;
buffer[len] = 0;
if (strncmp(buffer, "UTC", 3) == 0) {
utc = 1;
break;
}
}
fclose(f);
RELEASE_CONFIG_BUFFER(buffer);
}
return utc;
}
static size_t bb_full_fd_action(int src_fd, int dst_fd, const size_t size2)
{
int status;
size_t xread, wrote, total, size = size2;
if (src_fd < 0) {
return -1;
}
if (size == 0) {
/* If size is 0 copy until EOF */
size = ULONG_MAX;
}
{
RESERVE_CONFIG_BUFFER(buffer,BUFSIZ);
total = 0;
wrote = 0;
status = -1;
while (total < size)
{
xread = BUFSIZ;
if (size < (total + BUFSIZ))
xread = size - total;
xread = bb_full_read(src_fd, buffer, xread);
if (xread > 0) {
if (dst_fd < 0) {
/* A -1 dst_fd means we need to fake it... */
wrote = xread;
} else {
wrote = bb_full_write(dst_fd, buffer, xread);
}
if (wrote < xread) {
bb_perror_msg(bb_msg_write_error);
break;
}
total += wrote;
} else if (xread < 0) {
bb_perror_msg(bb_msg_read_error);
break;
} else if (xread == 0) {
/* All done. */
status = 0;
break;
}
}
RELEASE_CONFIG_BUFFER(buffer);
}
if (status == 0 || total)
return total;
/* Some sortof error occured */
return -1;
}
static uint8_t *hash_file(const char *filename, uint8_t hash_algo)
{
int src_fd = strcmp(filename, "-") == 0 ? STDIN_FILENO :
open(filename, O_RDONLY);
if (src_fd == -1) {
bb_perror_msg("%s", filename);
return NULL;
} else {
uint8_t *hash_value;
RESERVE_CONFIG_UBUFFER(hash_value_bin, 20);
hash_value = hash_fd(src_fd, -1, hash_algo, hash_value_bin) != -2 ?
hash_bin_to_hex(hash_value_bin, hash_algo == HASH_MD5 ? 16 : 20) :
NULL;
RELEASE_CONFIG_BUFFER(hash_value_bin);
close(src_fd);
return hash_value;
}
}
static int send_pack(int sock, struct in_addr *src_addr,
struct in_addr *dst_addr, struct sockaddr_ll *ME,
struct sockaddr_ll *HE)
{
int err;
struct timeval now;
RESERVE_CONFIG_UBUFFER(buf, 256);
struct arphdr *ah = (struct arphdr *) buf;
unsigned char *p = (unsigned char *) (ah + 1);
ah->ar_hrd = htons(ME->sll_hatype);
ah->ar_hrd = htons(ARPHRD_ETHER);
ah->ar_pro = htons(ETH_P_IP);
ah->ar_hln = ME->sll_halen;
ah->ar_pln = 4;
ah->ar_op = cfg & advert ? htons(ARPOP_REPLY) : htons(ARPOP_REQUEST);
memcpy(p, &ME->sll_addr, ah->ar_hln);
p += ME->sll_halen;
memcpy(p, src_addr, 4);
p += 4;
if (cfg & advert)
memcpy(p, &ME->sll_addr, ah->ar_hln);
else
memcpy(p, &HE->sll_addr, ah->ar_hln);
p += ah->ar_hln;
memcpy(p, dst_addr, 4);
p += 4;
gettimeofday(&now, NULL);
err = sendto(sock, buf, p - buf, 0, (struct sockaddr *) HE, sizeof(*HE));
if (err == p - buf) {
last = now;
sent++;
if (!(cfg & unicasting))
brd_sent++;
}
RELEASE_CONFIG_BUFFER(buf);
return err;
}
static int show_clock(int utc)
{
struct tm *ptm;
time_t t;
RESERVE_CONFIG_BUFFER(buffer, 64);
t = read_rtc(utc);
ptm = localtime(&t); /* Sets 'tzname[]' */
safe_strncpy(buffer, ctime(&t), 64);
if (buffer[0])
buffer[strlen(buffer) - 1] = 0;
//printf("%s %.6f seconds %s\n", buffer, 0.0, utc ? "" : (ptm->tm_isdst ? tzname[1] : tzname[0]));
printf( "%s %.6f seconds\n", buffer, 0.0);
RELEASE_CONFIG_BUFFER(buffer);
return 0;
}
int mdev_main(int argc, char *argv[])
{
if (argc > 1) {
if (argc == 2 && !strcmp(argv[1],"-s")) {
RESERVE_CONFIG_BUFFER(temp,PATH_MAX);
strcpy(temp,"/sys/block");
find_dev(temp);
strcpy(temp,"/sys/class");
find_dev(temp);
if(ENABLE_FEATURE_CLEAN_UP)
RELEASE_CONFIG_BUFFER(temp);
return 0;
} else bb_show_usage();
}
/* hotplug support goes here */
return 0;
}
/* If size is 0 copy until EOF */
static ssize_t bb_full_fd_action(int src_fd, int dst_fd, const size_t size)
{
ssize_t read_total = 0;
RESERVE_CONFIG_BUFFER(buffer,BUFSIZ);
while ((size == 0) || (read_total < size)) {
size_t read_try;
ssize_t read_actual;
if ((size == 0) || (size - read_total > BUFSIZ)) {
read_try = BUFSIZ;
} else {
read_try = size - read_total;
}
read_actual = safe_read(src_fd, buffer, read_try);
if (read_actual > 0) {
if ((dst_fd >= 0) && (bb_full_write(dst_fd, buffer, (size_t) read_actual) != read_actual)) {
bb_perror_msg(bb_msg_write_error); /* match Read error below */
break;
}
}
else if (read_actual == 0) {
if (size) {
bb_error_msg("Unable to read all data");
read_total = -1;
}
break;
} else {
/* read_actual < 0 */
bb_perror_msg("Read error");
read_total = -1;
break;
}
read_total += read_actual;
}
RELEASE_CONFIG_BUFFER(buffer);
return(read_total);
}
int pipe_progress_main(int argc, char **argv)
{
RESERVE_CONFIG_BUFFER(buf, PIPE_PROGRESS_SIZE);
time_t t = time(NULL);
size_t len;
while ((len = fread(buf, 1, PIPE_PROGRESS_SIZE, stdin)) > 0) {
time_t new_time = time(NULL);
if (new_time != t) {
t = new_time;
fputc('.', stderr);
}
fwrite(buf, len, 1, stdout);
}
fputc('\n', stderr);
if (ENABLE_FEATURE_CLEAN_UP)
RELEASE_CONFIG_BUFFER(buf);
return 0;
}
int arping_main(int argc, char **argv)
{
const char *device = "eth0";
int ifindex;
char *source = NULL;
char *target;
s = xsocket(PF_PACKET, SOCK_DGRAM, 0);
// Drop suid root privileges
xsetuid(getuid());
{
unsigned opt;
char *_count, *_timeout;
/* Dad also sets quit_on_reply.
* Advert also sets unsolicited.
*/
opt_complementary = "Df:AU";
opt = getopt32(argc, argv, "DUAqfbc:w:i:s:",
&_count, &_timeout, &device, &source);
cfg |= opt & 0x3f; /* set respective flags */
if (opt & 0x40) /* -c: count */
count = xatou(_count);
if (opt & 0x80) /* -w: timeout */
timeout = xatoul_range(_timeout, 0, INT_MAX/2000);
//if (opt & 0x100) /* -i: interface */
if (strlen(device) > IF_NAMESIZE) {
bb_error_msg_and_die("interface name '%s' is too long",
device);
}
//if (opt & 0x200) /* -s: source */
}
argc -= optind;
argv += optind;
if (argc != 1)
bb_show_usage();
target = *argv;
xfunc_error_retval = 2;
{
struct ifreq ifr;
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, device, IFNAMSIZ - 1);
if (ioctl(s, SIOCGIFINDEX, &ifr) < 0) {
bb_error_msg_and_die("interface %s not found", device);
}
ifindex = ifr.ifr_ifindex;
if (ioctl(s, SIOCGIFFLAGS, (char *) &ifr)) {
bb_error_msg_and_die("SIOCGIFFLAGS");
}
if (!(ifr.ifr_flags & IFF_UP)) {
bb_error_msg_and_die("interface %s is down", device);
}
if (ifr.ifr_flags & (IFF_NOARP | IFF_LOOPBACK)) {
bb_error_msg("interface %s is not ARPable", device);
return (cfg & dad ? 0 : 2);
}
}
if (!inet_aton(target, &dst)) {
len_and_sockaddr *lsa;
lsa = xhost_and_af2sockaddr(target, 0, AF_INET);
memcpy(&dst, &lsa->sin.sin_addr.s_addr, 4);
if (ENABLE_FEATURE_CLEAN_UP)
free(lsa);
}
if (source && !inet_aton(source, &src)) {
bb_error_msg_and_die("invalid source address %s", source);
}
if (!(cfg & dad) && (cfg & unsolicited) && src.s_addr == 0)
src = dst;
if (!(cfg & dad) || src.s_addr) {
struct sockaddr_in saddr;
int probe_fd = xsocket(AF_INET, SOCK_DGRAM, 0);
if (device) {
if (setsockopt(probe_fd, SOL_SOCKET, SO_BINDTODEVICE, device, strlen(device) + 1) == -1)
bb_error_msg("warning: interface %s is ignored", device);
}
memset(&saddr, 0, sizeof(saddr));
saddr.sin_family = AF_INET;
if (src.s_addr) {
saddr.sin_addr = src;
xbind(probe_fd, (struct sockaddr *) &saddr, sizeof(saddr));
} else if (!(cfg & dad)) {
socklen_t alen = sizeof(saddr);
saddr.sin_port = htons(1025);
saddr.sin_addr = dst;
if (setsockopt(probe_fd, SOL_SOCKET, SO_DONTROUTE, &const_int_1, sizeof(const_int_1)) == -1)
bb_perror_msg("warning: setsockopt(SO_DONTROUTE)");
xconnect(probe_fd, (struct sockaddr *) &saddr, sizeof(saddr));
if (getsockname(probe_fd, (struct sockaddr *) &saddr, &alen) == -1) {
bb_error_msg_and_die("getsockname");
}
src = saddr.sin_addr;
}
close(probe_fd);
}
me.sll_family = AF_PACKET;
me.sll_ifindex = ifindex;
me.sll_protocol = htons(ETH_P_ARP);
xbind(s, (struct sockaddr *) &me, sizeof(me));
{
socklen_t alen = sizeof(me);
if (getsockname(s, (struct sockaddr *) &me, &alen) == -1) {
bb_error_msg_and_die("getsockname");
}
}
if (me.sll_halen == 0) {
bb_error_msg("interface \"%s\" is not ARPable (no ll address)", device);
return (cfg & dad ? 0 : 2);
}
he = me;
memset(he.sll_addr, -1, he.sll_halen);
if (!(cfg & quiet)) {
printf("ARPING to %s from %s via %s\n",
inet_ntoa(dst), inet_ntoa(src),
device ? device : "unknown");
}
if (!src.s_addr && !(cfg & dad)) {
bb_error_msg_and_die("no src address in the non-DAD mode");
}
{
struct sigaction sa;
memset(&sa, 0, sizeof(sa));
sa.sa_flags = SA_RESTART;
sa.sa_handler = (void (*)(int)) finish;
sigaction(SIGINT, &sa, NULL);
sa.sa_handler = (void (*)(int)) catcher;
sigaction(SIGALRM, &sa, NULL);
}
catcher();
while (1) {
sigset_t sset, osset;
RESERVE_CONFIG_UBUFFER(packet, 4096);
struct sockaddr_ll from;
socklen_t alen = sizeof(from);
int cc;
cc = recvfrom(s, packet, 4096, 0, (struct sockaddr *) &from, &alen);
if (cc < 0) {
bb_perror_msg("recvfrom");
continue;
}
sigemptyset(&sset);
sigaddset(&sset, SIGALRM);
sigaddset(&sset, SIGINT);
sigprocmask(SIG_BLOCK, &sset, &osset);
recv_pack(packet, cc, &from);
sigprocmask(SIG_SETMASK, &osset, NULL);
RELEASE_CONFIG_BUFFER(packet);
}
}
static void doSyslogd(void)
{
struct sockaddr_un sunx;
socklen_t addrLength;
/*BRCM begin*/
/*
* In CMS, we don't need the pidfile. Don't write it out to save some DRAM.
* FILE *pidfile;
* char pidfilename[30];
*/
/* All the access to /dev/log will be redirected to /var/log/log
* * which is TMPFS, memory file system.
**/
#define BRCM_PATH_LOG "/var/log/log"
/*BRCM end*/
int sock_fd;
fd_set fds;
/* Set up signal handlers. */
signal(SIGINT, quit_signal);
signal(SIGTERM, quit_signal);
signal(SIGQUIT, quit_signal);
signal(SIGHUP, SIG_IGN);
signal(SIGCHLD, SIG_IGN);
#ifdef SIGCLD
signal(SIGCLD, SIG_IGN);
#endif
signal(SIGALRM, domark);
alarm(MarkInterval);
/* Create the syslog file so realpath() can work. */
/*BRCM begin*/
/*
if (realpath (_PATH_LOG, lfile) != NULL) {
*/
if (realpath (BRCM_PATH_LOG, lfile) != NULL) {
/*BRCM end*/
unlink (lfile);
}
memset(&sunx, 0, sizeof(sunx));
sunx.sun_family = AF_UNIX;
strncpy(sunx.sun_path, lfile, sizeof(sunx.sun_path));
if ((sock_fd = socket(AF_UNIX, SOCK_DGRAM, 0)) < 0) {
/*BRCM begin*/
/* bb_perror_msg_and_die("Couldn't get file descriptor for socket "
_PATH_LOG);
*/
bb_error_msg_and_die ("Couldn't get file descriptor for socket " BRCM_PATH_LOG);
/*BRCM end*/
}
addrLength = sizeof(sunx.sun_family) + strlen(sunx.sun_path);
if (bind(sock_fd, (struct sockaddr *) &sunx, addrLength) < 0) {
/*BRCM begin*/
/* bb_perror_msg_and_die("Could not connect to socket " _PATH_LOG);
*/
bb_error_msg_and_die ("Could not connect to socket " BRCM_PATH_LOG);
/*BRCM end*/
}
if (chmod(lfile, 0666) < 0) {
/*BRCM begin*/
/* bb_perror_msg_and_die("Could not set permission on " _PATH_LOG);
*/
bb_error_msg_and_die ("Could not set permission on " BRCM_PATH_LOG);
/*BRCM end*/
}
#ifdef CONFIG_FEATURE_IPC_SYSLOG
if (circular_logging == TRUE) {
ipcsyslog_init();
}
#endif
#ifdef CONFIG_FEATURE_REMOTE_LOG
if (doRemoteLog == TRUE) {
init_RemoteLog();
}
#endif
/*BRCM begin*/
if (localLogLevel < LOG_EMERG)
localLogLevel = LOG_DEBUG;
if (remoteLogLevel < LOG_EMERG)
remoteLogLevel = LOG_ERR;
/* change to priority emerg to be consistent with klogd */
/* logMessage(LOG_SYSLOG | LOG_INFO, "syslogd started: " BB_BANNER); */
logMessage (LOG_SYSLOG | LOG_EMERG, "BCM96345 started: " BB_BANNER);
/*
* In CMS, we don't need the pid file, so don't write one and save some DRAM.
* sprintf (pidfilename, "%s%s.pid", _PATH_VARRUN, "syslogd");
* if ((pidfile = fopen (pidfilename, "w")) != NULL) {
* fprintf (pidfile, "%d\n", getpid ());
* (void) fclose (pidfile);
* }
* else {
* logMessage ((LOG_SYSLOG | LOG_ERR),("Failed to create pid file %s", pidfilename));
* }
*/
/*BRCM end*/
for (;;) {
FD_ZERO(&fds);
FD_SET(sock_fd, &fds);
if (select(sock_fd + 1, &fds, NULL, NULL, NULL) < 0) {
if (errno == EINTR) {
/* alarm may have happened. */
continue;
}
bb_perror_msg_and_die("select error");
}
if (FD_ISSET(sock_fd, &fds)) {
int i;
RESERVE_CONFIG_BUFFER(tmpbuf, MAXLINE + 1);
memset(tmpbuf, '\0', MAXLINE + 1);
if ((i = recv(sock_fd, tmpbuf, MAXLINE, 0)) > 0) {
serveConnection(tmpbuf, i);
} else {
bb_perror_msg_and_die("UNIX socket error");
}
RELEASE_CONFIG_BUFFER(tmpbuf);
} /* FD_ISSET() */
} /* for main loop */
}
int arping_main(int argc, char **argv)
{
char *device = "eth0";
int ifindex;
char *source = NULL;
char *target;
s = socket(PF_PACKET, SOCK_DGRAM, 0);
ifindex = errno;
// Drop suid root privileges
xsetuid(getuid());
{
unsigned long opt;
char *_count, *_timeout, *_device;
/* Dad also sets quit_on_reply.
* Advert also sets unsolicited.
*/
bb_opt_complementally = "Df:AU";
opt = bb_getopt_ulflags(argc, argv, "DUAqfbc:w:i:s:",
&_count, &_timeout, &_device);
cfg |= opt & 63; /* set respective flags */
if (opt & 64) /* count */
count = atoi(_count);
if (opt & 128) /* timeout */
timeout = atoi(_timeout);
if (opt & 256) { /* interface */
if (strlen(_device) > IF_NAMESIZE) {
bb_error_msg_and_die("Interface name `%s' must be less than %d",
_device, IF_NAMESIZE);
}
device = _device;
}
if (opt & 512) /* source */
source = optarg;
}
argc -= optind;
argv += optind;
if (argc != 1)
bb_show_usage();
target = *argv;
if (s < 0) {
bb_default_error_retval = ifindex;
bb_perror_msg_and_die("socket");
}
bb_default_error_retval = 2;
{
struct ifreq ifr;
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, device, IFNAMSIZ - 1);
if (ioctl(s, SIOCGIFINDEX, &ifr) < 0) {
bb_error_msg_and_die("Interface %s not found", device);
}
ifindex = ifr.ifr_ifindex;
if (ioctl(s, SIOCGIFFLAGS, (char *) &ifr)) {
bb_error_msg_and_die("SIOCGIFFLAGS");
}
if (!(ifr.ifr_flags & IFF_UP)) {
bb_error_msg_and_die("Interface %s is down", device);
}
if (ifr.ifr_flags & (IFF_NOARP | IFF_LOOPBACK)) {
bb_error_msg("Interface %s is not ARPable", device);
exit(cfg&dad ? 0 : 2);
}
}
if (!inet_aton(target, &dst)) {
struct hostent *hp;
hp = gethostbyname2(target, AF_INET);
if (!hp) {
bb_error_msg_and_die("invalid or unknown target %s", target);
}
memcpy(&dst, hp->h_addr, 4);
}
if (source && !inet_aton(source, &src)) {
bb_error_msg_and_die("invalid source address %s", source);
}
if (!(cfg&dad) && cfg&unsolicited && src.s_addr == 0)
src = dst;
if (!(cfg&dad) || src.s_addr) {
struct sockaddr_in saddr;
int probe_fd = socket(AF_INET, SOCK_DGRAM, 0); /* maybe use bb_xsocket? */
if (probe_fd < 0) {
bb_error_msg_and_die("socket");
}
if (device) {
if (setsockopt
(probe_fd, SOL_SOCKET, SO_BINDTODEVICE, device,
strlen(device) + 1) == -1)
bb_error_msg("WARNING: interface %s is ignored", device);
}
memset(&saddr, 0, sizeof(saddr));
saddr.sin_family = AF_INET;
if (src.s_addr) {
saddr.sin_addr = src;
if (bind(probe_fd, (struct sockaddr *) &saddr, sizeof(saddr)) == -1) {
bb_error_msg_and_die("bind");
}
} else if (!(cfg&dad)) {
int on = 1;
socklen_t alen = sizeof(saddr);
saddr.sin_port = htons(1025);
saddr.sin_addr = dst;
if (setsockopt
(probe_fd, SOL_SOCKET, SO_DONTROUTE, (char *) &on,
sizeof(on)) == -1)
bb_perror_msg("WARNING: setsockopt(SO_DONTROUTE)");
if (connect(probe_fd, (struct sockaddr *) &saddr, sizeof(saddr))
== -1) {
bb_error_msg_and_die("connect");
}
if (getsockname(probe_fd, (struct sockaddr *) &saddr, &alen) ==
-1) {
bb_error_msg_and_die("getsockname");
}
src = saddr.sin_addr;
}
close(probe_fd);
};
me.sll_family = AF_PACKET;
me.sll_ifindex = ifindex;
me.sll_protocol = htons(ETH_P_ARP);
if (bind(s, (struct sockaddr *) &me, sizeof(me)) == -1) {
bb_error_msg_and_die("bind");
}
{
socklen_t alen = sizeof(me);
if (getsockname(s, (struct sockaddr *) &me, &alen) == -1) {
bb_error_msg_and_die("getsockname");
}
}
if (me.sll_halen == 0) {
bb_error_msg("Interface \"%s\" is not ARPable (no ll address)", device);
exit(cfg&dad ? 0 : 2);
}
he = me;
memset(he.sll_addr, -1, he.sll_halen);
if (!(cfg&quiet)) {
printf("ARPING to %s from %s via %s\n",
inet_ntoa(dst), inet_ntoa(src),
device ? device : "unknown");
}
if (!src.s_addr && !(cfg&dad)) {
bb_error_msg_and_die("no src address in the non-DAD mode");
}
{
struct sigaction sa;
memset(&sa, 0, sizeof(sa));
sa.sa_flags = SA_RESTART;
sa.sa_handler = (void (*)(int)) finish;
sigaction(SIGINT, &sa, NULL);
sa.sa_handler = (void (*)(int)) catcher;
sigaction(SIGALRM, &sa, NULL);
}
catcher();
while (1) {
sigset_t sset, osset;
RESERVE_CONFIG_UBUFFER(packet, 4096);
struct sockaddr_ll from;
socklen_t alen = sizeof(from);
int cc;
if ((cc = recvfrom(s, packet, 4096, 0,
(struct sockaddr *) &from, &alen)) < 0) {
bb_perror_msg("recvfrom");
continue;
}
sigemptyset(&sset);
sigaddset(&sset, SIGALRM);
sigaddset(&sset, SIGINT);
sigprocmask(SIG_BLOCK, &sset, &osset);
recv_pack(packet, cc, &from);
sigprocmask(SIG_SETMASK, &osset, NULL);
RELEASE_CONFIG_BUFFER(packet);
}
}
static void doSyslogd(void)
{
struct sockaddr_un sunx;
socklen_t addrLength;
int sock_fd;
fd_set fds;
/* Set up signal handlers. */
signal(SIGINT, quit_signal);
signal(SIGTERM, quit_signal);
signal(SIGQUIT, quit_signal);
signal(SIGHUP, SIG_IGN);
signal(SIGCHLD, SIG_IGN);
#ifdef SIGCLD
signal(SIGCLD, SIG_IGN);
#endif
signal(SIGALRM, domark);
alarm(MarkInterval);
/* Create the syslog file so realpath() can work. */
if (realpath(_PATH_LOG, lfile) != NULL) {
unlink(lfile);
}
memset(&sunx, 0, sizeof(sunx));
sunx.sun_family = AF_UNIX;
strncpy(sunx.sun_path, lfile, sizeof(sunx.sun_path));
if ((sock_fd = socket(AF_UNIX, SOCK_DGRAM, 0)) < 0) {
bb_perror_msg_and_die("Couldn't get file descriptor for socket "
_PATH_LOG);
}
addrLength = sizeof(sunx.sun_family) + strlen(sunx.sun_path);
if (bind(sock_fd, (struct sockaddr *) &sunx, addrLength) < 0) {
bb_perror_msg_and_die("Could not connect to socket " _PATH_LOG);
}
if (chmod(lfile, 0666) < 0) {
bb_perror_msg_and_die("Could not set permission on " _PATH_LOG);
}
#ifdef CONFIG_FEATURE_IPC_SYSLOG
if (circular_logging == TRUE) {
ipcsyslog_init();
}
#endif
#ifdef CONFIG_FEATURE_REMOTE_LOG
if (doRemoteLog == TRUE) {
init_RemoteLog();
}
#endif
logMessage(LOG_SYSLOG | LOG_INFO, "syslogd started: " BB_BANNER);
for (;;) {
FD_ZERO(&fds);
FD_SET(sock_fd, &fds);
if (select(sock_fd + 1, &fds, NULL, NULL, NULL) < 0) {
if (errno == EINTR) {
/* alarm may have happened. */
continue;
}
bb_perror_msg_and_die("select error");
}
if (FD_ISSET(sock_fd, &fds)) {
int i;
RESERVE_CONFIG_BUFFER(tmpbuf, MAXLINE + 1);
memset(tmpbuf, '\0', MAXLINE + 1);
if ((i = recv(sock_fd, tmpbuf, MAXLINE, 0)) > 0) {
serveConnection(tmpbuf, i);
} else {
bb_perror_msg_and_die("UNIX socket error");
}
RELEASE_CONFIG_BUFFER(tmpbuf);
} /* FD_ISSET() */
} /* for main loop */
}
/* mknod in /dev based on a path like "/sys/block/hda/hda1" */
static void make_device(char *path)
{
char *device_name,*s;
int major,minor,type,len,fd;
int mode=0660;
uid_t uid=0;
gid_t gid=0;
RESERVE_CONFIG_BUFFER(temp,PATH_MAX);
/* Try to read major/minor string */
snprintf(temp, PATH_MAX, "%s/dev", path);
fd = open(temp, O_RDONLY);
len = read(fd, temp, PATH_MAX-1);
if (len<1) goto end;
temp[len] = 0;
close(fd);
/* Determine device name, type, major and minor */
device_name = strrchr(path, '/') + 1;
type = strncmp(path+5, "block/" ,6) ? S_IFCHR : S_IFBLK;
major = minor = 0;
for (s = temp; *s; s++) {
if (*s == ':') {
major = minor;
minor = 0;
} else {
minor *= 10;
minor += (*s) - '0';
}
}
/* If we have a config file, look up permissions for this device */
if (ENABLE_FEATURE_MDEV_CONF) {
char *conf,*pos,*end;
/* mmap the config file */
if (-1!=(fd=open("/etc/mdev.conf",O_RDONLY))) {
len=lseek(fd,0,SEEK_END);
conf=mmap(NULL,len,PROT_READ,MAP_PRIVATE,fd,0);
if (conf) {
int line=0;
/* Loop through lines in mmaped file*/
for (pos=conf;pos-conf<len;) {
int field;
char *end2;
line++;
/* find end of this line */
for(end=pos;end-conf<len && *end!='\n';end++);
/* Three fields: regex, uid:gid, mode */
for (field=3;field;field--) {
/* Skip whitespace */
while (pos<end && isspace(*pos)) pos++;
if (pos==end || *pos=='#') break;
for (end2=pos;
end2<end && !isspace(*end2) && *end2!='#'; end2++);
switch(field) {
/* Regex to match this device */
case 3:
{
char *regex=strndupa(pos,end2-pos);
regex_t match;
regmatch_t off;
int result;
/* Is this it? */
xregcomp(&match,regex,REG_EXTENDED);
result=regexec(&match,device_name,1,&off,0);
regfree(&match);
/* If not this device, skip rest of line */
if(result || off.rm_so
|| off.rm_eo!=strlen(device_name))
goto end_line;
break;
}
/* uid:gid */
case 2:
{
char *s2;
/* Find : */
for(s=pos;s<end2 && *s!=':';s++);
if(s==end2) goto end_line;
/* Parse UID */
uid=strtoul(pos,&s2,10);
if(s!=s2) {
struct passwd *pass;
pass=getpwnam(strndupa(pos,s-pos));
if(!pass) goto end_line;
uid=pass->pw_uid;
}
s++;
/* parse GID */
gid=strtoul(s,&s2,10);
if(end2!=s2) {
struct group *grp;
grp=getgrnam(strndupa(s,end2-s));
if(!grp) goto end_line;
gid=grp->gr_gid;
}
break;
}
/* mode */
case 1:
{
mode=strtoul(pos,&pos,8);
if(pos!=end2) goto end_line;
goto found_device;
}
}
pos=end2;
}
end_line:
/* Did everything parse happily? */
if (field && field!=3)
bb_error_msg_and_die("Bad line %d",line);
/* Next line */
pos=++end;
}
found_device:
munmap(conf,len);
}
close(fd);
}
}
sprintf(temp, "%s/%s", DEV_PATH, device_name);
umask(0);
if (mknod(temp, mode | type, makedev(major, minor)) && errno != EEXIST)
bb_perror_msg_and_die("mknod %s failed", temp);
if (ENABLE_FEATURE_MDEV_CONF) chown(temp,uid,gid);
end:
RELEASE_CONFIG_BUFFER(temp);
}