void extra_debugging(const struct connection *c)
{
if (c == NULL) {
reset_debugging();
return;
}
if (c != NULL && c->extra_debugging != 0) {
libreswan_log("extra debugging enabled for connection: %s",
bitnamesof(debug_bit_names, c->extra_debugging &
~cur_debugging));
set_debugging(cur_debugging | c->extra_debugging);
}
/*
* if any debugging is no, make sure that we log the connection
* we are processing, because it may not be clear in later debugging.
*/
if (cur_debugging) {
char b1[CONN_INST_BUF];
fmt_conn_instance(c, b1);
DBG_log("processing connection %s%s",
c->name, b1);
}
}
/* format a string for the log, with suitable prefixes.
* A format starting with ~ indicates that this is a reprocessing
* of the message, so prefixing and quoting is suppressed.
*/
static void
fmt_log(char *buf, size_t buf_len, const char *fmt, va_list ap)
{
bool reproc = *fmt == '~';
size_t ps;
struct connection *c = cur_state != NULL ? cur_state->st_connection
: cur_connection;
buf[0] = '\0';
if (reproc)
fmt++; /* ~ at start of format suppresses this prefix */
else if (c != NULL)
{
/* start with name of connection */
char *const be = buf + buf_len;
char *bp = buf;
snprintf(bp, be - bp, "(%s)", c->name);
bp += strlen(bp);
/* if it fits, put in any connection instance information */
if (be - bp > CONN_INST_BUF)
{
fmt_conn_instance(c, bp);
bp += strlen(bp);
}
if (cur_state != NULL)
{
/* state number */
snprintf(bp, be - bp, " #%lu", cur_state->st_serialno);
bp += strlen(bp);
}
snprintf(bp, be - bp, ": ");
}
else if (cur_from != NULL)
{
/* peer's IP address */
/* Note: must not use ip_str() because our caller might! */
char ab[ADDRTOT_BUF];
(void) addrtot(cur_from, 0, ab, sizeof(ab));
snprintf(buf, buf_len, "packet from %s:%u: "
, ab, (unsigned)cur_from_port);
}
ps = strlen(buf);
vsnprintf(buf + ps, buf_len - ps, fmt, ap);
if (!reproc)
(void)sanitize(buf, buf_len);
}
/**
* DPD Out Initiator
*
* @param p2st A state struct that is already in phase2
* @return void
*/
static void dpd_outI(struct state *p1st, struct state *st, bool eroute_care,
deltatime_t delay, deltatime_t timeout)
{
monotime_t nw;
monotime_t last;
deltatime_t nextdelay;
u_int32_t seqno;
DBG(DBG_DPD, {
char cib[CONN_INST_BUF];
DBG_log("DPD: processing for state #%lu (\"%s\"%s)",
st->st_serialno,
st->st_connection->name,
fmt_conn_instance(st->st_connection, cib));
});
/* format a string for the log, with suitable prefixes.
* A format starting with ~ indicates that this is a reprocessing
* of the message, so prefixing and quoting is suppressed.
*/
static void fmt_log(char *buf, size_t buf_len, const char *fmt, va_list ap)
{
bool reproc = *fmt == '~';
size_t ps;
struct connection *c = cur_state != NULL ? cur_state->st_connection :
cur_connection;
buf[0] = '\0';
if (reproc) {
fmt++; /* ~ at start of format suppresses this prefix */
} else if (c != NULL) {
/* start with name of connection */
char *const be = buf + buf_len;
char *bp = buf;
snprintf(bp, be - bp, "\"%s\"", c->name);
bp += strlen(bp);
/* if it fits, put in any connection instance information */
if (be - bp > CONN_INST_BUF) {
fmt_conn_instance(c, bp);
bp += strlen(bp);
}
if (cur_state != NULL) {
/* state number */
snprintf(bp, be - bp, " #%lu", cur_state->st_serialno);
bp += strlen(bp);
}
snprintf(bp, be - bp, ": ");
} else if (cur_from != NULL) {
/* peer's IP address */
ipstr_buf b;
snprintf(buf, buf_len, "packet from %s:%u: ",
ipstr(cur_from, &b),
(unsigned)cur_from_port);
}
ps = strlen(buf);
vsnprintf(buf + ps, buf_len - ps, fmt, ap);
if (!reproc)
sanitize_string(buf, buf_len);
}
