Author: Pekka Riikonen <priikone@silcnet.org>
- Copyright (C) 1997 - 2003 Pekka Riikonen
+ Copyright (C) 1997 - 2005 Pekka Riikonen
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
*/
/* $Id$ */
-#include "silcincludes.h"
+#include "silc.h"
/* Gets line from a buffer. Stops reading when a newline or EOF occurs.
This doesn't remove the newline sign from the destination buffer. The
argument begin is returned and should be passed again for the function. */
-int silc_gets(char *dest, int destlen, const char *src, int srclen,
- int *begin)
+int silc_gets(char *dest, int destlen, const char *src, int srclen, int begin)
{
- int off = *begin;
+ static int start = 0;
int i;
memset(dest, 0, destlen);
+ if (begin != start)
+ start = 0;
+
i = 0;
- for ( ; off <= srclen; i++) {
+ for ( ; start <= srclen; i++, start++) {
if (i > destlen)
return -1;
- dest[i] = src[off++];
+ dest[i] = src[start];
if (dest[i] == EOF)
return EOF;
if (dest[i] == '\n')
break;
}
- *begin = off;
- if (off + 1 >= srclen)
- return EOF;
+ start++;
- return off;
+ return start;
}
/* Checks line for illegal characters. Return -1 when illegal character
/* Converts string to capital characters. */
-bool silc_to_upper(const char *string, char *dest, SilcUInt32 dest_size)
+SilcBool silc_to_upper(const char *string, char *dest, SilcUInt32 dest_size)
{
int i;
/* Converts string to lower letter characters. */
-bool silc_to_lower(const char *string, char *dest, SilcUInt32 dest_size)
+SilcBool silc_to_lower(const char *string, char *dest, SilcUInt32 dest_size)
{
int i;
/* Parse userfqdn string which is in user@fqdn format. */
-bool silc_parse_userfqdn(const char *string, char **left, char **right)
+int silc_parse_userfqdn(const char *string,
+ char *user, SilcUInt32 user_size,
+ char *fqdn, SilcUInt32 fqdn_size)
{
SilcUInt32 tlen;
- if (!string)
- return FALSE;
+ if (!string || (!user && !fqdn))
+ return 0;
if (string[0] == '@') {
- if (left)
- *left = strdup(string);
- return TRUE;
+ if (user) {
+ memset(user, 0, user_size);
+ silc_strncat(user, user_size, string, strlen(string));
+ }
+
+ return 1;
}
if (strchr(string, '@')) {
tlen = strcspn(string, "@");
- if (left) {
- *left = silc_calloc(tlen + 1, sizeof(char));
- memcpy(*left, string, tlen);
+ if (user) {
+ memset(user, 0, user_size);
+ silc_strncat(user, user_size, string, tlen);
}
- if (right) {
- *right = silc_calloc((strlen(string) - tlen) + 1, sizeof(char));
- memcpy(*right, string + tlen + 1, strlen(string) - tlen - 1);
+ if (fqdn) {
+ memset(fqdn, 0, fqdn_size);
+ silc_strncat(fqdn, fqdn_size, string + tlen + 1,
+ strlen(string) - tlen - 1);
}
- } else {
- if (left)
- *left = strdup(string);
+
+ return 2;
}
- return TRUE;
+ if (user) {
+ memset(user, 0, user_size);
+ silc_strncat(user, user_size, string, strlen(string));
+ }
+
+ return 1;
}
/* Parses command line. At most `max_args' is taken. Rest of the line
char *silc_format(char *fmt, ...)
{
va_list args;
- static char buf[8192];
+ char buf[8192];
memset(buf, 0, sizeof(buf));
va_start(args, fmt);
return h;
}
+/* Hash UTF-8 string */
+
+SilcUInt32 silc_hash_utf8_string(void *key, void *user_context)
+{
+ unsigned char *s = (unsigned char *)key;
+ SilcUInt32 h = 0, g;
+
+ while (*s != '\0') {
+ h = (h << 4) + *s;
+ if ((g = h & 0xf0000000)) {
+ h = h ^ (g >> 24);
+ h = h ^ g;
+ }
+ s++;
+ }
+
+ return h;
+}
+
/* Basic hash function to hash integers. May be used with the SilcHashTable. */
SilcUInt32 silc_hash_uint(void *key, void *user_context)
{
- return *(SilcUInt32 *)key;
+ return SILC_PTR_TO_32(key);
}
/* Basic hash funtion to hash pointers. May be used with the SilcHashTable. */
SilcUInt32 silc_hash_ptr(void *key, void *user_context)
{
- return (SilcUInt32)key;
+ return SILC_PTR_TO_32(key);
}
/* Hash a ID. The `user_context' is the ID type. */
SilcUInt32 silc_hash_id(void *key, void *user_context)
{
- SilcIdType id_type = (SilcIdType)(SilcUInt32)user_context;
+ SilcIdType id_type = (SilcIdType)SILC_PTR_TO_32(user_context);
SilcUInt32 h = 0;
int i;
SilcUInt32 silc_hash_data(void *key, void *user_context)
{
- SilcUInt32 len = (SilcUInt32)user_context, h = 0;
+ SilcUInt32 len = SILC_PTR_TO_32(user_context), h = 0;
unsigned char *data = (unsigned char *)key;
int i;
SilcUInt32 silc_hash_public_key(void *key, void *user_context)
{
SilcPublicKey pk = (SilcPublicKey)key;
- return (pk->len + silc_hash_string(pk->name, NULL) +
- silc_hash_string(pk->identifier, NULL) +
- silc_hash_data(pk->pk, (void *)pk->pk_len));
+ return (pk->len + (silc_hash_string(pk->name, NULL) ^
+ silc_hash_string(pk->identifier, NULL) ^
+ silc_hash_data(pk->pk, SILC_32_TO_PTR(pk->pk_len))));
}
/* Compares two strings. It may be used as SilcHashTable comparison
function. */
-bool silc_hash_string_compare(void *key1, void *key2, void *user_context)
+SilcBool silc_hash_string_compare(void *key1, void *key2, void *user_context)
{
return !strcasecmp((char *)key1, (char *)key2);
}
The Client ID's compares only the hash of the Client ID not any other
part of the Client ID. Other ID's are fully compared. */
-bool silc_hash_id_compare(void *key1, void *key2, void *user_context)
+SilcBool silc_hash_id_compare(void *key1, void *key2, void *user_context)
{
- SilcIdType id_type = (SilcIdType)(SilcUInt32)user_context;
+ SilcIdType id_type = (SilcIdType)SILC_PTR_TO_32(user_context);
return (id_type == SILC_ID_CLIENT ?
SILC_ID_COMPARE_HASH((SilcClientID *)key1, (SilcClientID *)key2) :
SILC_ID_COMPARE_TYPE(key1, key2, id_type));
}
+/* Compares two ID's. Compares full IDs. */
+
+SilcBool silc_hash_id_compare_full(void *key1, void *key2, void *user_context)
+{
+ SilcIdType id_type = (SilcIdType)SILC_PTR_TO_32(user_context);
+ return SILC_ID_COMPARE_TYPE(key1, key2, id_type);
+}
+
/* Compare two Client ID's entirely and not just the hash from the ID. */
-bool silc_hash_client_id_compare(void *key1, void *key2, void *user_context)
+SilcBool silc_hash_client_id_compare(void *key1, void *key2, void *user_context)
{
return SILC_ID_COMPARE_TYPE(key1, key2, SILC_ID_CLIENT);
}
/* Compares binary data. May be used as SilcHashTable comparison function. */
-bool silc_hash_data_compare(void *key1, void *key2, void *user_context)
+SilcBool silc_hash_data_compare(void *key1, void *key2, void *user_context)
{
- SilcUInt32 len = (SilcUInt32)user_context;
+ SilcUInt32 len = SILC_PTR_TO_32(user_context);
return !memcmp(key1, key2, len);
}
+/* Compares UTF-8 string. */
+
+SilcBool silc_hash_utf8_compare(void *key1, void *key2, void *user_context)
+{
+ int l1 = strlen((char *)key1);
+ int l2 = strlen((char *)key2);
+ if (l1 != l2)
+ return FALSE;
+ return !memcmp(key1, key2, l2);
+}
+
/* Compares two SILC Public keys. It may be used as SilcHashTable
comparison function. */
-bool silc_hash_public_key_compare(void *key1, void *key2, void *user_context)
+SilcBool silc_hash_public_key_compare(void *key1, void *key2, void *user_context)
{
return silc_pkcs_public_key_compare(key1, key2);
}
if (mode & SILC_CHANNEL_MODE_FOUNDER_AUTH)
strncat(string, "f", 1);
+ if (mode & SILC_CHANNEL_MODE_CHANNEL_AUTH)
+ strncat(string, "C", 1);
+
if (mode & SILC_CHANNEL_MODE_SILENCE_USERS)
strncat(string, "m", 1);
/* Return TRUE if the `data' is ASCII string. */
-bool silc_string_is_ascii(const unsigned char *data, SilcUInt32 data_len)
+SilcBool silc_string_is_ascii(const unsigned char *data, SilcUInt32 data_len)
{
int i;
/* Parses SILC protocol style version string. */
-bool silc_parse_version_string(const char *version,
- SilcUInt32 *protocol_version,
- char **protocol_version_string,
- SilcUInt32 *software_version,
- char **software_version_string,
- char **vendor_version)
+SilcBool silc_parse_version_string(const char *version,
+ SilcUInt32 *protocol_version,
+ char **protocol_version_string,
+ SilcUInt32 *software_version,
+ char **software_version_string,
+ char **vendor_version)
{
char *cp, buf[32];
int maj = 0, min = 0;
/* Displays input prompt on command line and takes input data from user */
-char *silc_get_input(const char *prompt, bool echo_off)
+char *silc_get_input(const char *prompt, SilcBool echo_off)
{
#ifdef SILC_UNIX
int fd;
/* Return mode list */
-bool silc_get_mode_list(SilcBuffer mode_list, SilcUInt32 mode_list_count,
+SilcBool silc_get_mode_list(SilcBuffer mode_list, SilcUInt32 mode_list_count,
SilcUInt32 **list)
{
int i;
- if (mode_list->len / 4 != mode_list_count)
+ if (silc_buffer_len(mode_list) / 4 != mode_list_count)
return FALSE;
*list = silc_calloc(mode_list_count, sizeof(**list));
{ STAT(TIMEDOUT), "Service timed out" },
{ STAT(UNSUPPORTED_PUBLIC_KEY), "Unsupported public key type" },
{ STAT(OPERATION_ALLOWED), "Operation is not allowed" },
+ { STAT(BAD_SERVER), "Bad server name" },
+ { STAT(BAD_USERNAME), "Bad user name" },
{ 0, NULL }
};
/* Return TRUE if `smaller' is smaller than `bigger'. */
-bool silc_compare_timeval(struct timeval *smaller,
+SilcBool silc_compare_timeval(struct timeval *smaller,
struct timeval *bigger)
{
if ((smaller->tv_sec < bigger->tv_sec) ||