diff options
| -rw-r--r-- | src/util/cell_log.c | 65 |
1 files changed, 54 insertions, 11 deletions
diff --git a/src/util/cell_log.c b/src/util/cell_log.c index 83d4f4e..22d1dd9 100644 --- a/src/util/cell_log.c +++ b/src/util/cell_log.c @@ -27,10 +27,14 @@ #include <fcntl.h> #include <time.h> #include <syslog.h> +#include <stdint.h> #include <sys/types.h> +#include <sys/socket.h> #include <sys/stat.h> +#include <netinet/in.h> + #include <libgsmd/libgsmd.h> #include <libgsmd/voicecall.h> #include <libgsmd/misc.h> @@ -58,31 +62,70 @@ static int pending_responses = 0; #define MIN_NO_NET_SECS 60 #define OUR_MCC 901 #define OUR_MNC 99 -#define LOCK_PATH "/var/lock/bts_rf_lock" static time_t last_network_seen; unsigned int rf_lock_active = 0; static void bts_rf_lock(int on) { - int fd; + int fd, rc; + + static const uint8_t rf_lock[] = { + 0x00, 0x23, 0xEE, 0x00, 0x53, 0x45, 0x54, 0x20, + 0x31, 0x20, 0x6E, 0x65, 0x74, 0x2E, 0x72, 0x66, + 0x5F, 0x6C, 0x6F, 0x63, 0x6B, 0x20, 0x67, 0x73, + 0x6D, 0x2C, 0x6C, 0x6F, 0x63, 0x6B, 0x2C, 0x6E, + 0x2F, 0x61, 0x2C, 0x6E, 0x2F, 0x61, + }; + + static const uint8_t rf_unlock[] = { + 0x00, 0x25, 0xEE, 0x00, 0x53, 0x45, 0x54, 0x20, + 0x31, 0x20, 0x6E, 0x65, 0x74, 0x2E, 0x72, 0x66, + 0x5F, 0x6C, 0x6F, 0x63, 0x6B, 0x20, 0x67, 0x73, + 0x6D, 0x2C, 0x75, 0x6E, 0x6C, 0x6F, 0x63, 0x6B, + 0x2C, 0x6E, 0x2F, 0x61, 0x2C, 0x6E, 0x2F, 0x61, + }; /* only print message on status change */ if (rf_lock_active != on) syslog(LOG_NOTICE, "RF_LOCK: %sabling lock\n", on ? "En" : "Dis"); - /* for safety, always update the actual file on disk */ + fd = socket(AF_INET, SOCK_STREAM, 0); + if (fd == -1) { + syslog(LOG_ERR, "RF_LOCK: socket creation failed: %d\n", errno); + return; + } + + struct sockaddr_in addr; + memset(&addr, 0, sizeof(addr)); + addr.sin_family = AF_INET; + addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + addr.sin_port = htons(4249); + rc = connect(fd, (struct sockaddr *) &addr, sizeof(addr)); + if (rc != 0) { + syslog(LOG_ERR, "RF_Lock: socket connect failed: %d\n", errno); + close(fd); + return; + } + if (on == 1) { - struct stat st; - if (stat(LOCK_PATH, &st) != 0) { - fd = open(LOCK_PATH, O_WRONLY|O_CREAT, 0664); - if (fd >= 0) - close(fd); - } - } else - unlink(LOCK_PATH); + rc = write(fd, rf_lock, sizeof(rf_lock)); + if (rc != sizeof(rf_lock)) + goto error; + } else { + rc = write(fd, rf_unlock, sizeof(rf_unlock)); + if (rc != sizeof(rf_unlock)) + goto error; + } + close(fd); rf_lock_active = on; + return; + +error: + close(fd); + syslog(LOG_ERR, "RF_Lock: failed to send the message: %d\n", errno); + return; } |