static G_GNUC_COLD void
load_faq(void)
{
static const gchar faq_file[] = "FAQ";
static file_path_t fp[6];
static int initialized;
GtkWidget *textview;
const gchar *lang;
guint i = 0;
FILE *f;
html_view_free(&faq_html_view);
textview = gui_dlg_faq_lookup("textview_faq");
lang = locale_get_language();
if (initialized != 0) {
i = initialized;
} else {
char *tmp;
char *path;
tmp = get_folder_path(PRIVLIB_PATH, NULL);
if (tmp != NULL) {
path = make_pathname(tmp, lang);
file_path_set(&fp[i++], ostrdup(path), faq_file);
HFREE_NULL(path);
path = make_pathname(tmp, "en");
file_path_set(&fp[i++], ostrdup(path), faq_file);
HFREE_NULL(path);
}
HFREE_NULL(tmp);
path = make_pathname(PRIVLIB_EXP, lang);
file_path_set(&fp[i++], ostrdup(path), faq_file);
HFREE_NULL(path);
file_path_set(&fp[i++], PRIVLIB_EXP G_DIR_SEPARATOR_S "en", faq_file);
#ifndef OFFICIAL_BUILD
path = make_pathname(PACKAGE_EXTRA_SOURCE_DIR, lang);
file_path_set(&fp[i++], ostrdup(path), faq_file);
HFREE_NULL(path);
file_path_set(&fp[i++],
PACKAGE_EXTRA_SOURCE_DIR G_DIR_SEPARATOR_S "en", faq_file);
#endif /* !OFFICIAL_BUILD */
initialized = i;
}
g_assert(i <= G_N_ELEMENTS(fp));
f = file_config_open_read_norename("FAQ", fp, i);
if (f) {
faq_html_view = html_view_load_file(textview, fileno(f));
fclose(f);
} else {
static const gchar msg[] =
N_(
"<html>"
"<head>"
"<title>Frequently Asked Questions</title>"
"</head>"
"<body>"
"<p>"
"The FAQ document could not be loaded. Please read the "
"<a href=\"http://gtk-gnutella.sourceforge.net/?page=faq\">"
"FAQ online</a> instead."
"</p>"
"</body>"
"</html>"
);
faq_html_view = html_view_load_memory(textview, array_from_string(msg));
}
}
/**
* Loads the whitelist into memory.
*/
static void G_COLD
whitelist_retrieve(void)
{
char line[1024];
FILE *f;
filestat_t st;
unsigned linenum = 0;
file_path_t fp[1];
whitelist_generation++;
file_path_set(fp, settings_config_dir(), whitelist_file);
f = file_config_open_read_norename("Host Whitelist", fp, N_ITEMS(fp));
if (!f)
return;
if (fstat(fileno(f), &st)) {
g_warning("%s(): fstat() failed: %m", G_STRFUNC);
fclose(f);
return;
}
while (fgets(line, sizeof line, f)) {
pslist_t *sl_addr, *sl;
const char *endptr, *start;
host_addr_t addr;
uint16 port;
uint8 bits;
bool item_ok;
bool use_tls;
char *hname;
linenum++;
if (!file_line_chomp_tail(line, sizeof line, NULL)) {
g_warning("%s(): line %u too long, aborting", G_STRFUNC, linenum);
break;
}
if (file_line_is_skipable(line))
continue;
sl_addr = NULL;
addr = zero_host_addr;
endptr = NULL;
hname = NULL;
endptr = is_strprefix(line, "tls:");
if (endptr) {
use_tls = TRUE;
start = endptr;
} else {
use_tls = FALSE;
start = line;
}
port = 0;
if (string_to_host_addr_port(start, &endptr, &addr, &port)) {
sl_addr = name_to_host_addr(host_addr_to_string(addr),
settings_dns_net());
} else if (string_to_host_or_addr(start, &endptr, &addr)) {
uchar c = *endptr;
switch (c) {
case '\0':
case ':':
case '/':
break;
default:
if (!is_ascii_space(c))
endptr = NULL;
}
if (!endptr) {
g_warning("%s(): line %d: "
"expected a hostname or IP address \"%s\"",
G_STRFUNC, linenum, line);
continue;
}
/* Terminate the string for name_to_host_addr() */
hname = h_strndup(start, endptr - start);
} else {
g_warning("%s(): line %d: expected hostname or IP address \"%s\"",
G_STRFUNC, linenum, line);
continue;
}
g_assert(sl_addr != NULL || hname != NULL);
g_assert(NULL != endptr);
bits = 0;
item_ok = TRUE;
/*
* When an explicit address is given (no hostname) and with no
* port, one can suffix the address with bits to indicate a CIDR
* range of whitelisted addresses.
*/
if (0 == port) {
/* Ignore trailing items separated by a space */
while ('\0' != *endptr && !is_ascii_space(*endptr)) {
uchar c = *endptr++;
if (':' == c) {
int error;
uint32 v;
if (0 != port) {
g_warning("%s(): line %d: multiple colons after host",
G_STRFUNC, linenum);
item_ok = FALSE;
break;
}
v = parse_uint32(endptr, &endptr, 10, &error);
port = (error || v > 0xffff) ? 0 : v;
if (0 == port) {
g_warning("%s(): line %d: "
"invalid port value after host",
G_STRFUNC, linenum);
item_ok = FALSE;
break;
}
} else if ('/' == c) {
const char *ep;
uint32 mask;
if (0 != bits) {
g_warning("%s(): line %d: "
"multiple slashes after host", G_STRFUNC, linenum);
item_ok = FALSE;
break;
}
if (string_to_ip_strict(endptr, &mask, &ep)) {
if (!host_addr_is_ipv4(addr)) {
g_warning("%s(): line %d: "
"IPv4 netmask after non-IPv4 address",
G_STRFUNC, linenum);
item_ok = FALSE;
break;
}
endptr = ep;
if (0 == (bits = netmask_to_cidr(mask))) {
g_warning("%s(): line %d: "
"IPv4 netmask after non-IPv4 address",
G_STRFUNC, linenum);
item_ok = FALSE;
break;
}
} else {
int error;
uint32 v;
v = parse_uint32(endptr, &endptr, 10, &error);
if (
error ||
0 == v ||
(v > 32 && host_addr_is_ipv4(addr)) ||
(v > 128 && host_addr_is_ipv6(addr))
) {
g_warning("%s(): line %d: "
"invalid numeric netmask after host",
G_STRFUNC, linenum);
item_ok = FALSE;
break;
}
bits = v;
}
} else {
g_warning("%s(): line %d: "
"unexpected character after host", G_STRFUNC, linenum);
item_ok = FALSE;
break;
}
}
}
if (item_ok) {
struct whitelist *item;
if (hname) {
item = whitelist_hostname_create(use_tls, hname, port);
whitelist_dns_resolve(item, FALSE);
} else {
PSLIST_FOREACH(sl_addr, sl) {
host_addr_t *aptr = sl->data;
g_assert(aptr != NULL);
item = whitelist_addr_create(use_tls, *aptr, port, bits);
whitelist_add(item);
}
}
} else {
