Exemplo n.º 1
0
extern int tr_main(int argc, char **argv)
{
	register unsigned char *ptr;
	int output_length=0, input_length;
	int idx = 1;
	int i;
	RESERVE_CONFIG_BUFFER(output, BUFSIZ);
	RESERVE_CONFIG_BUFFER(input,  BUFSIZ);
	RESERVE_CONFIG_UBUFFER(vector, ASCII+1);
	RESERVE_CONFIG_BUFFER(invec,  ASCII+1);
	RESERVE_CONFIG_BUFFER(outvec, ASCII+1);

	/* ... but make them available globally */
	poutput = output;
	pinput  = input;
	pvector = vector;
	pinvec  = invec;
	poutvec = outvec;

	if (argc > 1 && argv[idx][0] == '-') {
		for (ptr = (unsigned char *) &argv[idx][1]; *ptr; ptr++) {
			switch (*ptr) {
			case 'c':
				com_fl = TRUE;
				break;
			case 'd':
				del_fl = TRUE;
				break;
			case 's':
				sq_fl = TRUE;
				break;
			default:
				bb_show_usage();
			}
		}
		idx++;
	}
	for (i = 0; i <= ASCII; i++) {
		vector[i] = i;
		invec[i] = outvec[i] = FALSE;
	}

	if (argv[idx] != NULL) {
		input_length = expand(argv[idx++], input);
		if (com_fl)
			input_length = complement(input, input_length);
		if (argv[idx] != NULL) {
			if (*argv[idx] == '\0')
				bb_error_msg_and_die("STRING2 cannot be empty");
			output_length = expand(argv[idx], output);
			map(input, input_length, output, output_length);
		}
		for (i = 0; i < input_length; i++)
			invec[(unsigned char)input[i]] = TRUE;
		for (i = 0; i < output_length; i++)
			outvec[(unsigned char)output[i]] = TRUE;
	}
	convert();
	return (0);
}
Exemplo n.º 2
0
int tr_main(int argc, char **argv)
{
	unsigned char *ptr;
	int output_length = 0, input_length;
	int idx = 1;
	int i;
	smalluint flags = 0;
	RESERVE_CONFIG_UBUFFER(output, BUFSIZ);
	RESERVE_CONFIG_BUFFER(vector, ASCII+1);
	RESERVE_CONFIG_BUFFER(invec,  ASCII+1);
	RESERVE_CONFIG_BUFFER(outvec, ASCII+1);

	/* ... but make them available globally */
	poutput = output;
	pvector = vector;
	pinvec  = invec;
	poutvec = outvec;

	if (argc > 1 && argv[idx][0] == '-') {
		for (ptr = (unsigned char *) &argv[idx][1]; *ptr; ptr++) {
			if (*ptr == 'c')
				flags |= TR_OPT_complement;
			else if (*ptr == 'd')
				flags |= TR_OPT_delete;
			else if (*ptr == 's')
				flags |= TR_OPT_squeeze_reps;
			else
				bb_show_usage();
		}
		idx++;
	}
	for (i = 0; i <= ASCII; i++) {
		vector[i] = i;
		invec[i] = outvec[i] = FALSE;
	}

	if (argv[idx] != NULL) {
		input_length = expand(argv[idx++], bb_common_bufsiz1);
		if (flags & TR_OPT_complement)
			input_length = complement(bb_common_bufsiz1, input_length);
		if (argv[idx] != NULL) {
			if (*argv[idx] == '\0')
				bb_error_msg_and_die("STRING2 cannot be empty");
			output_length = expand(argv[idx], output);
			map(bb_common_bufsiz1, input_length, output, output_length);
		}
		for (i = 0; i < input_length; i++)
			invec[(unsigned char)bb_common_bufsiz1[i]] = TRUE;
		for (i = 0; i < output_length; i++)
			outvec[output[i]] = TRUE;
	}
	convert(flags);
	return EXIT_SUCCESS;
}
Exemplo n.º 3
0
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);
}
Exemplo n.º 4
0
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;
}
Exemplo n.º 5
0
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;
}
Exemplo n.º 6
0
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;
}
Exemplo n.º 7
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;
}
Exemplo n.º 8
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);
}
Exemplo n.º 9
0
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;
}
Exemplo n.º 10
0
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 */
}
Exemplo n.º 11
0
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 */
}
Exemplo n.º 12
0
/* 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);
}