static void
version_copyright()
{
static char *text[] =
{
"All rights reserved.",
"",
"The %s program comes with ABSOLUTELY NO WARRANTY;",
"for details use the '%s -VERSion License' command.",
"The %s program is free software, and you are welcome",
"to redistribute it under certain conditions; for",
"details use the '%s -VERSion License' command.",
};
char **cpp;
char *progname;
progname = progname_get();
printf("%s version %s\n", progname, version_stamp());
printf("Copyright (C) %s Peter Miller;\n", copyright_years());
for (cpp = text; cpp < ENDOF(text); ++cpp)
{
printf(*cpp, progname);
fputc('\n', stdout);
}
}
/**
* Parse vendor string and fill supplied version structure `vs'.
*
* @returns OK if we were able to parse correctly.
*/
bool
version_fill(const char *version, version_t *vs)
{
if (!version_parse(version, vs, NULL))
return FALSE;
version_stamp(version, vs); /* Optional, set to 0 if missing */
return TRUE;
}
/**
* Initialize version string.
*/
void G_COLD
version_init(void)
{
time_t now;
version_string = ostrdup_readonly(version_build_string());
now = tm_time();
{
bool ok;
const char *end;
ok = version_parse(version_string, &our_version, &end);
g_assert(ok);
ok = version_ext_parse(end, &our_ext_version);
g_assert(ok);
}
g_info("%s", version_string);
version_stamp(version_string, &our_version);
g_assert(our_version.timestamp != 0);
{
char buf[128];
str_bprintf(buf, sizeof(buf),
"%s/%s%s (%s)",
product_name(), product_version(),
product_build_full(), product_date());
version_short_string = ostrdup_readonly(buf);
}
last_rel_version = our_version; /* struct copy */
last_dev_version = our_version; /* struct copy */
our_ext_version.version = our_version; /* struct copy */
/*
* The version code is a one-byte encoding of the year/month, since
* what matters is not much the version number as to the age of the
* servent... The version code is transmitted in pongs via GGEP "VC".
*/
if (our_version.timestamp) {
struct tm *tmp = localtime(&our_version.timestamp);
version_code =
(((tmp->tm_year + 1900 - 2000) & 0x0f) << 4) | (tmp->tm_mon + 1);
} else
version_code = 0;
/*
* The property system is not up when this is called, but we need
* to set this variable correctly.
*/
if (
tok_is_ancient(now) ||
delta_time(now, our_version.timestamp) > VERSION_ANCIENT_WARN
) {
*deconstify_bool(&GNET_PROPERTY(ancient_version)) = TRUE;
}
}
/**
* Check version of servent, and if it's a gtk-gnutella more recent than we
* are, record that fact and change the status bar.
*
* The `addr' is being passed solely for the tok_version_valid() call.
*
* @returns TRUE if we properly checked the version, FALSE if we got something
* looking as gtk-gnutella but which failed the token-based sanity checks.
*/
bool
version_check(const char *str, const char *token, const host_addr_t addr)
{
version_t their_version;
version_ext_t their_version_ext;
version_t *target_version;
int cmp;
const char *version;
const char *end;
bool extended;
if (!version_parse(str, &their_version, &end))
return TRUE; /* Not gtk-gnutella, or unparseable */
/*
* Check for extended version information (git commit ID, dirty status).
*/
ZERO(&their_version_ext);
extended = version_ext_parse(end, &their_version_ext);
if (!extended) {
/* Structure could have been partially filled */
ZERO(&their_version_ext);
}
/*
* Is their version a development one, or a release?
*/
if (their_version.tag == 'u')
target_version = &last_dev_version;
else
target_version = &last_rel_version;
cmp = version_cmp(target_version, &their_version);
if (GNET_PROPERTY(version_debug) > 1)
version_dump(str, &their_version,
cmp == 0 ? "=" :
cmp > 0 ? "-" : "+");
/*
* Check timestamp.
*/
version_stamp(str, &their_version);
their_version_ext.version = their_version; /* Struct copy */
if (GNET_PROPERTY(version_debug) > 3)
g_debug("VERSION time=%d", (int) their_version.timestamp);
/*
* If version claims something older than TOKEN_START_DATE, then
* there must be a token present.
*/
if (delta_time(their_version.timestamp, 0) >= TOKEN_START_DATE) {
tok_error_t error;
if (token == NULL) {
if (GNET_PROPERTY(version_debug)) {
g_debug("got GTKG vendor string \"%s\" without token!", str);
}
return FALSE; /* Can't be correct */
}
error = tok_version_valid(str, token, strlen(token), addr);
/*
* Unfortunately, if our token has expired, we can no longer
* validate the tokens of the remote peers, since they are using
* a different set of keys.
*
* This means an expired GTKG will blindly trust well-formed remote
* tokens at face value. But it's their fault, they should not run
* an expired version!
* --RAM, 2005-12-21
*/
if (error == TOK_BAD_KEYS && tok_is_ancient(tm_time()))
error = TOK_OK; /* Our keys have expired, cannot validate */
if (error != TOK_OK) {
if (GNET_PROPERTY(version_debug)) {
g_debug("vendor string \"%s\" [%s] has wrong token "
"\"%s\": %s ", str, host_addr_to_string(addr), token,
tok_strerror(error));
}
return FALSE;
}
/*
* OK, so now we know we can "trust" this version string as being
* probably genuine. It makes sense to extract version information
* out of it.
*/
}
if (cmp > 0) /* We're more recent */
return TRUE;
/*
* If timestamp is greater and we were comparing against a stable
* release, and cmp == 0, then this means an update in SVN about
* a "released" version, probably alpha/beta.
*/
if (
cmp == 0 &&
(delta_time(their_version.timestamp, target_version->timestamp) > 0
|| their_version.build > target_version->build) &&
target_version == &last_rel_version
) {
if (GNET_PROPERTY(version_debug) > 3)
g_debug("VERSION is a SVN update of a release");
if (version_build_cmp(&last_dev_version, &their_version) > 0) {
if (GNET_PROPERTY(version_debug) > 3)
g_debug("VERSION is less recent than latest dev we know");
return TRUE;
}
target_version = &last_dev_version;
}
/*
* Their version is more recent, but is unstable -- only continue if
* our version is also unstable.
*/
if (cmp < 0 && their_version.tag == 'u' && our_version.tag != 'u')
return TRUE;
if (
delta_time(their_version.timestamp, target_version->timestamp) < 0 ||
their_version.build <= target_version->build
)
return TRUE;
if (
delta_time(their_version.timestamp, our_version.timestamp) == 0 &&
their_version.build <= our_version.build
)
return TRUE;
/*
* We found a more recent version than the last version seen.
*/
if (GNET_PROPERTY(version_debug) > 1)
g_debug("more recent %s VERSION \"%s\"",
target_version == &last_dev_version ? "dev" : "rel", str);
*target_version = their_version; /* struct copy */
/*
* Signal new version to user.
*
* Unless they run a development version, don't signal development
* updates to them: they're probably not interested.
*/
version = version_ext_str(&their_version_ext, FALSE); /* No OS name */
g_message("more recent %s version of gtk-gnutella: %s",
target_version == &last_dev_version ? "development" : "released",
version);
if (target_version == &last_rel_version)
version_new_found(version, TRUE);
else if (our_version.tag == 'u')
version_new_found(version, FALSE);
return TRUE;
}
