/**
* Collect user information.
*/
static void
entropy_collect_user(SHA1Context *ctx)
{
const char *str[3];
str[0] = gethomedir();
#if GLIB_CHECK_VERSION(2,6,0)
/*
* These functions cannot be used with an unpatched GLib 1.2 on some
* systems as they trigger a bug in GLib causing a crash. On Darwin
* there's still a problem before GLib 2.6 due to a bug in Darwin though.
*/
str[1] = g_get_user_name();
str[2] = g_get_real_name();
entropy_array_string_collect(ctx, str, G_N_ELEMENTS(str));
#else
{
char user[UINT32_DEC_BUFLEN];
char real[UINT32_DEC_BUFLEN];
uint32_to_string_buf(entropy_rand31(), user, sizeof user);
uint32_to_string_buf(entropy_rand31(), real, sizeof real);
str[1] = user;
str[2] = real;
entropy_array_string_collect(ctx, str, G_N_ELEMENTS(str));
}
#endif /* GLib >= 2.0 */
}
/**
* Prints the ``port'' followed by host address ``ha'' to ``dst''. The string
* written to ``dst'' is always NUL-terminated unless ``size'' is zero. If
* ``size'' is too small, the string will be truncated.
*
* @param dst the destination buffer; may be NULL iff ``size'' is zero.
* @param port the port number.
* @param ha the host address.
* @param size the size of ``dst'' in bytes.
*
* @return The length of the resulting string assuming ``size'' is sufficient.
*/
size_t
host_port_addr_to_string_buf(uint16 port, const host_addr_t ha,
char *dst, size_t size)
{
char port_buf[UINT32_DEC_BUFLEN];
char host_buf[HOST_ADDR_BUFLEN];
size_t n;
uint32_to_string_buf(port, port_buf, sizeof port_buf);
host_addr_to_string_buf(ha, host_buf, sizeof host_buf);
switch (host_addr_net(ha)) {
case NET_TYPE_IPV6:
n = concat_strings(dst, size, port_buf, ":[", host_buf, "]",
(void *) 0);
break;
case NET_TYPE_IPV4:
n = concat_strings(dst, size, port_buf, ":", host_buf, (void *) 0);
break;
default:
n = g_strlcpy(dst, host_buf, size);
}
return n;
}
const char *
host_port_to_string(const char *hostname, host_addr_t addr, uint16 port)
{
static char buf[MAX_HOSTLEN + 32];
if (hostname) {
char port_buf[UINT32_DEC_BUFLEN];
uint32_to_string_buf(port, port_buf, sizeof port_buf);
concat_strings(buf, sizeof buf, hostname, ":", port_buf, (void *) 0);
} else {
host_addr_port_to_string_buf(addr, port, buf, sizeof buf);
}
return buf;
}
const char *
host_port_to_string(const char *hostname, host_addr_t addr, uint16 port)
{
buf_t *b = buf_private(G_STRFUNC, MAX_HOSTLEN + HOST_ADDR_PORT_BUFLEN);
char *p = buf_data(b);
if (hostname != NULL) {
char port_buf[UINT32_DEC_BUFLEN];
uint32_to_string_buf(port, port_buf, sizeof port_buf);
concat_strings(p, buf_size(b), hostname, ":", port_buf, NULL_PTR);
} else {
host_addr_port_to_string_buf(addr, port, p, buf_size(b));
}
return p;
}
/**
* Verifies "data" against "signature".
*
* @return TRUE if the signature matches.
*/
bool
svn_release_notification_verify(uint32 revision, time_t date,
const struct array *signature)
{
char rev[12], data[64];
struct array input;
uint32_to_string_buf(revision, rev, sizeof rev);
input.data = (void *) data;
input.size = concat_strings(data, sizeof data,
"r", rev,
"@", uint32_to_string(date),
(void *) 0);
return verify_signature(svn_release_notify_certificate(),
&input, signature);
}
