j3d1/tinc
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Allow log messages to be captured by tincctl.

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This allows tincctl to receive log messages from a running tincd,
independent of what is logged to syslog or to file. Tincctl can receive
debug messages with an arbitrary level.
This commit is contained in:
Guus Sliepen 2012-02-26 18:37:36 +01:00
parent a1bd3a2913
commit 8ac096b5bf
47 changed files with 613 additions and 582 deletions
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40
src/bsd/device.c
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@ -81,7 +81,7 @@ static bool setup_device(void) {
else if(!strcasecmp(type, "tap"))
device_type = DEVICE_TYPE_TAP;
else {
logger(LOG_ERR, "Unknown device type %s!", type);
logger(DEBUG_ALWAYS, LOG_ERR, "Unknown device type %s!", type);
return false;
}
} else {
@ -102,7 +102,7 @@ static bool setup_device(void) {
}
if(device_fd < 0) {
logger(LOG_ERR, "Could not open %s: %s", device, strerror(errno));
logger(DEBUG_ALWAYS, LOG_ERR, "Could not open %s: %s", device, strerror(errno));
return false;
}
@ -118,7 +118,7 @@ static bool setup_device(void) {
{
const int zero = 0;
if(ioctl(device_fd, TUNSIFHEAD, &zero, sizeof zero) == -1) {
logger(LOG_ERR, "System call `%s' failed: %s", "ioctl", strerror(errno));
logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "ioctl", strerror(errno));
return false;
}
}
@ -137,7 +137,7 @@ static bool setup_device(void) {
{
const int one = 1;
if(ioctl(device_fd, TUNSIFHEAD, &one, sizeof one) == -1) {
logger(LOG_ERR, "System call `%s' failed: %s", "ioctl", strerror(errno));
logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "ioctl", strerror(errno));
return false;
}
}
@ -174,7 +174,7 @@ static bool setup_device(void) {
#endif
}
logger(LOG_INFO, "%s is a %s", device, device_info);
logger(DEBUG_ALWAYS, LOG_INFO, "%s is a %s", device, device_info);
return true;
}
@ -208,7 +208,7 @@ static bool read_packet(vpn_packet_t *packet) {
inlen = read(device_fd, packet->data + 14, MTU - 14);
if(inlen <= 0) {
logger(LOG_ERR, "Error while reading from %s %s: %s", device_info,
logger(DEBUG_ALWAYS, LOG_ERR, "Error while reading from %s %s: %s", device_info,
device, strerror(errno));
return false;
}
@ -223,7 +223,7 @@ static bool read_packet(vpn_packet_t *packet) {
packet->data[13] = 0xDD;
break;
default:
ifdebug(TRAFFIC) logger(LOG_ERR,
logger(DEBUG_TRAFFIC, LOG_ERR,
"Unknown IP version %d while reading packet from %s %s",
packet->data[14] >> 4, device_info, device);
return false;
@ -237,7 +237,7 @@ static bool read_packet(vpn_packet_t *packet) {
struct iovec vector[2] = {{&type, sizeof type}, {packet->data + 14, MTU - 14}};
if((inlen = readv(device_fd, vector, 2)) <= 0) {
logger(LOG_ERR, "Error while reading from %s %s: %s", device_info,
logger(DEBUG_ALWAYS, LOG_ERR, "Error while reading from %s %s: %s", device_info,
device, strerror(errno));
return false;
}
@ -254,7 +254,7 @@ static bool read_packet(vpn_packet_t *packet) {
break;
default:
ifdebug(TRAFFIC) logger(LOG_ERR,
logger(DEBUG_TRAFFIC, LOG_ERR,
"Unknown address family %x while reading packet from %s %s",
ntohl(type), device_info, device);
return false;
@ -266,7 +266,7 @@ static bool read_packet(vpn_packet_t *packet) {
case DEVICE_TYPE_TAP:
if((inlen = read(device_fd, packet->data, MTU)) <= 0) {
logger(LOG_ERR, "Error while reading from %s %s: %s", device_info,
logger(DEBUG_ALWAYS, LOG_ERR, "Error while reading from %s %s: %s", device_info,
device, strerror(errno));
return false;
}
@ -280,20 +280,20 @@ static bool read_packet(vpn_packet_t *packet) {
device_total_in += packet->len;
ifdebug(TRAFFIC) logger(LOG_DEBUG, "Read packet of %d bytes from %s",
logger(DEBUG_TRAFFIC, LOG_DEBUG, "Read packet of %d bytes from %s",
packet->len, device_info);
return true;
}
static bool write_packet(vpn_packet_t *packet) {
ifdebug(TRAFFIC) logger(LOG_DEBUG, "Writing packet of %d bytes to %s",
logger(DEBUG_TRAFFIC, LOG_DEBUG, "Writing packet of %d bytes to %s",
packet->len, device_info);
switch(device_type) {
case DEVICE_TYPE_TUN:
if(write(device_fd, packet->data + 14, packet->len - 14) < 0) {
logger(LOG_ERR, "Error while writing to %s %s: %s", device_info,
logger(DEBUG_ALWAYS, LOG_ERR, "Error while writing to %s %s: %s", device_info,
device, strerror(errno));
return false;
}
@ -314,14 +314,14 @@ static bool write_packet(vpn_packet_t *packet) {
type = htonl(AF_INET6);
break;
default:
ifdebug(TRAFFIC) logger(LOG_ERR,
logger(DEBUG_TRAFFIC, LOG_ERR,
"Unknown address family %x while writing packet to %s %s",
af, device_info, device);
return false;
}
if(writev(device_fd, vector, 2) < 0) {
logger(LOG_ERR, "Can't write to %s %s: %s", device_info, device,
logger(DEBUG_ALWAYS, LOG_ERR, "Can't write to %s %s: %s", device_info, device,
strerror(errno));
return false;
}
@ -330,7 +330,7 @@ static bool write_packet(vpn_packet_t *packet) {
case DEVICE_TYPE_TAP:
if(write(device_fd, packet->data, packet->len) < 0) {
logger(LOG_ERR, "Error while writing to %s %s: %s", device_info,
logger(DEBUG_ALWAYS, LOG_ERR, "Error while writing to %s %s: %s", device_info,
device, strerror(errno));
return false;
}
@ -339,7 +339,7 @@ static bool write_packet(vpn_packet_t *packet) {
#ifdef HAVE_TUNEMU
case DEVICE_TYPE_TUNEMU:
if(tunemu_write(device_fd, packet->data + 14, packet->len - 14) < 0) {
logger(LOG_ERR, "Error while writing to %s %s: %s", device_info,
logger(DEBUG_ALWAYS, LOG_ERR, "Error while writing to %s %s: %s", device_info,
device, strerror(errno));
return false;
}
@ -356,9 +356,9 @@ static bool write_packet(vpn_packet_t *packet) {
}
static void dump_device_stats(void) {
logger(LOG_DEBUG, "Statistics for %s %s:", device_info, device);
logger(LOG_DEBUG, " total bytes in: %10"PRIu64, device_total_in);
logger(LOG_DEBUG, " total bytes out: %10"PRIu64, device_total_out);
logger(DEBUG_ALWAYS, LOG_DEBUG, "Statistics for %s %s:", device_info, device);
logger(DEBUG_ALWAYS, LOG_DEBUG, " total bytes in: %10"PRIu64, device_total_in);
logger(DEBUG_ALWAYS, LOG_DEBUG, " total bytes out: %10"PRIu64, device_total_out);
}
const devops_t os_devops = {