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/* Copyright 2013 NORDUnet A/S. All rights reserved.
See LICENSE for licensing information. */
#if defined HAVE_CONFIG_H
#include <config.h>
#endif
#include <sys/types.h>
#include <stdio.h>
#include <stdarg.h>
#include <assert.h>
#include <radsec/radsec.h>
#include <radsec/radsec-impl.h>
#if 0
/* This code triggers the memory-stomping-detector of electric fence */
#define MEMCHUNK 30
static int
print_to_buf (const struct rs_context *ctx,
char **buf_ptr, ssize_t *i_ptr, ssize_t *len_ptr,
const char *fmt, ...)
{
char *buf = *buf_ptr;
ssize_t i = *i_ptr;
ssize_t len = *len_ptr;
va_list args;
for (;;)
{
int n;
va_start (args, fmt);
fprintf (stdout, "sprintf (%p + %ld, %ld, \"%s\") -->",
buf, i, len, buf);
fflush (stdout);
n = vsnprintf (buf + i, len - i, fmt, args);
fprintf (stdout, "%d\n", n);
va_end (args);
if (n < 0)
return -RSE_INTERNAL;
if (n >= len - i)
{
int newlen = len + MEMCHUNK;
buf = rs_realloc (ctx, buf, newlen);
if (buf == NULL)
return -RSE_NOMEM;
len = newlen;
continue;
}
len -= n;
i += n;
*buf_ptr = buf;
*i_ptr = i;
*len_ptr = len;
return RSE_OK;
}
}
#endif /* 0 */
static int
pp (char **out, size_t *len, const char *fmt, ...)
{
int n;
va_list args;
va_start (args, fmt);
n = vsnprintf (*out, *len, fmt, args);
va_end (args);
if (n == -1 || n >= *len)
return -RSE_INTERNAL;
*out += n;
*len -= n;
return RSE_OK;
}
int
rs_context_print_config (struct rs_context *ctx, char **buf_out)
{
char *buf = rs_malloc (ctx, 8192);
char *out = NULL;
size_t len = 8192;
struct rs_config *cfg = ctx->config;
struct rs_realm *r = NULL;
struct rs_peer *p = NULL;
char *peer_type[] = {"<no type>", "client", "server"};
char *realm_type[] = {"<no type>", "UDP", "TCP", "TLS", "DTLS"};
char *cred_type[] = {"<no type>", "PSK", "DHE_PSK", "RSA_PSK"};
out = buf;
assert (out);
assert (cfg);
for (r = cfg->realms; r != NULL; r = r->next)
{
if (pp (&out, &len, "realm %s {\n", r->name)
|| pp (&out, &len,
"\ttype = \"%s\"\n"
"\ttimeout = %d\n"
"\tretries = %d\n"
"\tlisten_addr = \"%s\"\n"
"\tlisten_service = \"%s\"\n",
realm_type[r->type],
r->timeout,
r->retries,
r->local_addr->hostname,
r->local_addr->service))
return -RSE_INTERNAL;
for (p = r->peers; p != NULL; p = p->next)
{
if (pp (&out, &len,
"\t%s {\n"
"\t\thostname = \"%s\"\n"
"\t\tservice = \"%s\"\n"
"\t\tsecret = \"%s\"\n",
peer_type[p->type],
p->hostname,
p->service,
p->secret))
return -RSE_INTERNAL;
if (p->cacertfile)
if (pp (&out, &len, "\t\tcacertfile = \"%s\"\n", p->cacertfile))
return -RSE_INTERNAL;
if (p->certfile)
if (pp (&out, &len, "\t\tcertfile = \"%s\"\n", p->certfile))
return -RSE_INTERNAL;
if (p->certkeyfile)
if (pp (&out, &len, "\t\tcertkeyfile = \"%s\"\n", p->certkeyfile))
return -RSE_INTERNAL;
if (p->transport_cred)
{
if (pp (&out, &len, "\t\tpskex = \"%s\"\n",
cred_type[p->transport_cred->type])
|| pp (&out, &len, "\t\tpskid = \"%s\"\n",
p->transport_cred->identity)
|| pp (&out, &len,
"\t\t%s = \"%s\"\n", (p->transport_cred->secret_encoding
== RS_KEY_ENCODING_ASCII_HEX
? "pskhexstr" : "pskstr"),
p->transport_cred->secret))
return -RSE_INTERNAL;
}
if (pp (&out, &len, "\t}\n"))
return -RSE_INTERNAL;
}
if (pp (&out, &len, "}\n"))
return -RSE_INTERNAL;
}
if (buf_out)
*buf_out = buf;
return RSE_OK;
}
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