psyced/world/net/library/tls.c

85 lines
2.1 KiB
C

#include <net.h> // vim syntax=lpc
mapping tls_certificate(object who, int longnames) {
mixed *extra, extensions;
mapping cert;
int i, j;
cert = ([ ]);
#if __EFUN_DEFINED__(tls_check_certificate)
# ifdef WANT_S2S_SASL
# ifdef __psyclpc__
# if __EFUN_DEFINED__(enable_binary) // happens to be committed at the same time
extra = tls_check_certificate(who, 2);
# else
extra = tls_check_certificate(who, 1);
# endif
# else
extra = tls_check_certificate(who);
# endif
unless (extra && sizeof(extra) > 2) return 0;
cert[0] = extra[0];
if (sizeof(extra) >= 4)
cert[1] = extra[3];
extensions = extra[2];
extra = extra[1];
for (i = 0; i < sizeof(extra); i += 3) {
mixed t;
t = cert[extra[i]];
// THIS IS ALWAYS TRUE FOR DRIVER >= 3.3.712
// OTHERWISE YOU SHOULD NOT ENABLE S2S SASL. PERIOD.
if (sizeof(extra) > i+2) {
unless (t) {
cert[extra[i]] = extra[i+2];
} else if (stringp(t)) {
cert[extra[i]] = ({ t, extra[i+2] });
} else if (pointerp(t)) {
cert[extra[i]] += ({ extra[i+2] });
} else {
PT(("fippo says this should not happen but you know it always does! %O\n", ME))
}
} else {
PT(("fippo says this should not happen(2) but you know it always does! %O\n", ME))
}
}
if (longnames) {
// set up short/long names
for (i = 0; i < sizeof(extra); i +=3) {
cert[extra[i+1]] = cert[extra[i]];
}
}
for (i = 0; i < sizeof(extensions); i += 3) {
string key, mkey;
mixed *val;
unless(extensions[i]) continue;
key = extensions[i];
val = extensions[i+2];
for (j = 0; j < sizeof(val); j += 3) {
mixed t;
mkey = key + ":" + val[j];
t = cert[mkey];
unless (t) {
cert[mkey] = val[j+2];
} else if (stringp(t)) {
cert[mkey] = ({ t, val[j+2] });
} else if (pointerp(t)) {
cert[mkey] += ({ val[j+2] });
} else {
// should not happen
}
}
}
# else
# echo No WANT_S2S_SASL ? You even have the right driver for it!
# endif
#else
# echo No tls_check_certificate available with this driver.
#endif
P2(("cert is %O\n", cert))
return cert;
}