}
filelen = lseek(fd, (off_t)0L, SEEK_END);
- if (filelen < 0)
+ if (filelen < 0) {
+ close(fd);
return NULL;
- if (lseek(fd, (off_t)0L, SEEK_SET) < 0)
+ }
+ if (lseek(fd, (off_t)0L, SEEK_SET) < 0) {
+ close(fd);
return NULL;
+ }
if (filelen < 0) {
SILC_LOG_ERROR(("Cannot open file %s: %s", filename, strerror(errno)));
+ close(fd);
return NULL;
}
if ((write(fd, buffer, len)) == -1) {
SILC_LOG_ERROR(("Cannot write to file %s: %s", filename, strerror(errno)));
+ close(fd);
return -1;
}
if ((write(fd, buffer, len)) == -1) {
SILC_LOG_ERROR(("Cannot write to file %s: %s", filename, strerror(errno)));
+ close(fd);
return -1;
}
pem2[i] = pem[j++];
}
+ silc_free(pem);
return pem2;
}
return data;
}
-/* Parse nickname string. The format may be <num>!<nickname>@<server> to
- support multiple same nicknames. The <num> is the final unifier if same
- nickname is on same server. Note, this is only local format and server
- does not know anything about these. */
+/* Parse userfqdn string which is in user@fqdn format */
-int silc_parse_nickname(char *string, char **nickname, char **server,
- uint32 *num)
+bool silc_parse_userfqdn(const char *string, char **left, char **right)
{
uint32 tlen;
- char tmp[256];
if (!string)
return FALSE;
- if (strchr(string, '!')) {
- tlen = strcspn(string, "!");
- memset(tmp, 0, sizeof(tmp));
- memcpy(tmp, string, tlen);
-
- if (num)
- *num = atoi(tmp);
-
- if (tlen >= strlen(string))
- return FALSE;
-
- string += tlen + 1;
- }
-
if (strchr(string, '@')) {
tlen = strcspn(string, "@");
- if (nickname) {
- *nickname = silc_calloc(tlen + 1, sizeof(char));
- memcpy(*nickname, string, tlen);
+ if (left) {
+ *left = silc_calloc(tlen + 1, sizeof(char));
+ memcpy(*left, string, tlen);
}
- if (server) {
- *server = silc_calloc((strlen(string) - tlen) + 1, sizeof(char));
- memcpy(*server, string + tlen + 1, strlen(string) - tlen - 1);
+ if (right) {
+ *right = silc_calloc((strlen(string) - tlen) + 1, sizeof(char));
+ memcpy(*right, string + tlen + 1, strlen(string) - tlen - 1);
}
} else {
- if (nickname)
- *nickname = strdup(string);
+ if (left)
+ *left = strdup(string);
}
return TRUE;
int i, len = 0;
int argc = 0;
const char *cp = buffer;
+ char *tmp;
*parsed = silc_calloc(1, sizeof(**parsed));
*parsed_lens = silc_calloc(1, sizeof(**parsed_lens));
/* Get the command first */
len = strcspn(cp, " ");
- (*parsed)[0] = silc_to_upper((char *)cp);
+ tmp = silc_to_upper((char *)cp);
+ (*parsed)[0] = silc_calloc(len + 1, sizeof(char));
+ memcpy((*parsed)[0], tmp, len);
+ silc_free(tmp);
(*parsed_lens)[0] = len;
- cp += len + 1;
+ cp += len;
+ while (*cp == ' ')
+ cp++;
argc++;
/* Parse arguments */
len = strcspn(cp, " ");
else
len = strlen(cp);
+ while (len && cp[len - 1] == ' ')
+ len--;
+ if (!len)
+ break;
*parsed = silc_realloc(*parsed, sizeof(**parsed) * (argc + 1));
*parsed_lens = silc_realloc(*parsed_lens,
if (strlen(cp) == 0)
break;
else
- cp++;
+ while (*cp == ' ')
+ cp++;
}
}
case SILC_ID_SERVER:
{
SilcServerID *server_id = (SilcServerID *)id;
- strcat(rid, inet_ntoa(server_id->ip));
+ struct in_addr ipv4;
+
+ if (server_id->ip.data_len > 4) {
+
+ } else {
+ SILC_GET32_MSB(ipv4.s_addr, server_id->ip.data);
+ strcat(rid, inet_ntoa(ipv4));
+ }
+
memset(tmp, 0, sizeof(tmp));
snprintf(tmp, sizeof(tmp), ",%d,", ntohs(server_id->port));
strcat(rid, tmp);
case SILC_ID_CLIENT:
{
SilcClientID *client_id = (SilcClientID *)id;
- strcat(rid, inet_ntoa(client_id->ip));
+ struct in_addr ipv4;
+
+ if (client_id->ip.data_len > 4) {
+
+ } else {
+ SILC_GET32_MSB(ipv4.s_addr, client_id->ip.data);
+ strcat(rid, inet_ntoa(ipv4));
+ }
+
memset(tmp, 0, sizeof(tmp));
snprintf(tmp, sizeof(tmp), ",%02x,", client_id->rnd);
strcat(rid, tmp);
case SILC_ID_CHANNEL:
{
SilcChannelID *channel_id = (SilcChannelID *)id;
- strcat(rid, inet_ntoa(channel_id->ip));
+ struct in_addr ipv4;
+
+ if (channel_id->ip.data_len > 4) {
+
+ } else {
+ SILC_GET32_MSB(ipv4.s_addr, channel_id->ip.data);
+ strcat(rid, inet_ntoa(ipv4));
+ }
+
memset(tmp, 0, sizeof(tmp));
snprintf(tmp, sizeof(tmp), ",%d,", ntohs(channel_id->port));
strcat(rid, tmp);
tmpstr2 = silc_calloc(slen2 + 1, sizeof(char));
memcpy(tmpstr2, string2, slen2);
- for (i = 0; i < slen2; i++) {
+ for (i = 0; i < slen1; i++) {
/* * wildcard. Only one * wildcard is possible. */
if (tmpstr1[i] == '*')
if (!(slen1 < slen2))
tmpstr2[i] = '?';
}
-#if 0
- } else {
- if (strncmp(tmpstr1, tmpstr2, i))
- strncpy(tmpstr2, string2, slen2);
-#endif
}
}
return FALSE;
}
-/* Inspects the `string' for wildcards and returns regex string that can
- be used by the GNU regex library. A comma (`,') in the `string' means
- that the string is list. */
+/* Basic has function to hash strings. May be used with the SilcHashTable.
+ Note that this lowers the characters of the string (with tolower()) so
+ this is used usually with nicknames, channel and server names to provide
+ case insensitive keys. */
-char *silc_string_regexify(const char *string)
+uint32 silc_hash_string(void *key, void *user_context)
{
- int i, len, count;
- char *regex;
+ char *s = (char *)key;
+ uint32 h = 0, g;
+
+ while (*s != '\0') {
+ h = (h << 4) + tolower(*s);
+ if ((g = h & 0xf0000000)) {
+ h = h ^ (g >> 24);
+ h = h ^ g;
+ }
+ s++;
+ }
+
+ return h;
+}
- len = strlen(string);
- count = 4;
- for (i = 0; i < len; i++)
- if (string[i] == '*' || string[i] == '?')
- count++;
+/* Basic hash function to hash integers. May be used with the SilcHashTable. */
- regex = silc_calloc(len + count, sizeof(*regex));
+uint32 silc_hash_uint(void *key, void *user_context)
+{
+ return *(uint32 *)key;
+}
- count = 0;
- regex[count] = '(';
- count++;
+/* Basic hash funtion to hash pointers. May be used with the SilcHashTable. */
- for (i = 0; i < len; i++) {
- if (string[i] == '*' || string[i] == '?') {
- regex[count] = '.';
- count++;
- } else if (string[i] == ',') {
- regex[count] = '|';
- count++;
- continue;
- }
+uint32 silc_hash_ptr(void *key, void *user_context)
+{
+ return (uint32)key;
+}
- regex[count] = string[i];
- count++;
- }
+/* Hash a ID. The `user_context' is the ID type. */
+
+uint32 silc_hash_id(void *key, void *user_context)
+{
+ SilcIdType id_type = (SilcIdType)(uint32)user_context;
+ uint32 h = 0;
+ int i;
+
+ switch (id_type) {
+ case SILC_ID_CLIENT:
+ {
+ SilcClientID *id = (SilcClientID *)key;
+ uint32 g;
+
+ /* The client ID is hashed by hashing the hash of the ID
+ (which is a truncated MD5 hash of the nickname) so that we
+ can access the entry from the cache with both Client ID but
+ with just a hash from the ID as well. */
+
+ for (i = 0; i < sizeof(id->hash); i++) {
+ h = (h << 4) + id->hash[i];
+ if ((g = h & 0xf0000000)) {
+ h = h ^ (g >> 24);
+ h = h ^ g;
+ }
+ }
- regex[count - 1] = ')';
- regex[count] = '$';
+ return h;
+ }
+ break;
+ case SILC_ID_SERVER:
+ {
+ SilcServerID *id = (SilcServerID *)key;
+
+ h = id->port * id->rnd;
+ for (i = 0; i < id->ip.data_len; i++)
+ h ^= id->ip.data[i];
+
+ return h;
+ }
+ break;
+ case SILC_ID_CHANNEL:
+ {
+ SilcChannelID *id = (SilcChannelID *)key;
+
+ h = id->port * id->rnd;
+ for (i = 0; i < id->ip.data_len; i++)
+ h ^= id->ip.data[i];
+
+ return h;
+ }
+ break;
+ default:
+ break;
+ }
- return regex;
+ return h;
}
-/* Combines two regex strings into one regex string so that they can be
- used as one by the GNU regex library. The `string2' is combine into
- the `string1'. */
+/* Hash binary data. The `user_context' is the data length. */
-char *silc_string_regex_combine(const char *string1, const char *string2)
+uint32 silc_hash_data(void *key, void *user_context)
{
- char *tmp;
- int len1, len2;
+ uint32 len = (uint32)user_context, h = 0;
+ unsigned char *data = (unsigned char *)key;
+ int i;
+
+ h = (data[0] * data[len - 1] + 1) * len;
+ for (i = 0; i < len; i++)
+ h ^= data[i];
- len1 = strlen(string1);
- len2 = strlen(string2);
+ return h;
+}
- tmp = silc_calloc(2 + len1 + len2, sizeof(*tmp));
- strncat(tmp, string1, len1 - 2);
- strncat(tmp, "|", 1);
- strncat(tmp, string2 + 1, len2 - 1);
+/* Compares two strings. May be used as SilcHashTable comparison function. */
- return tmp;
+bool silc_hash_string_compare(void *key1, void *key2, void *user_context)
+{
+ return !strcasecmp((char *)key1, (char *)key2);
}
-/* Matches the two strings and returns TRUE if the strings match. */
+/* Compares two ID's. May be used as SilcHashTable comparison function.
+ 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. */
-int silc_string_regex_match(const char *regex, const char *string)
+bool silc_hash_id_compare(void *key1, void *key2, void *user_context)
{
- regex_t preg;
- int ret = FALSE;
-
- if (regcomp(&preg, regex, REG_NOSUB | REG_EXTENDED) < 0)
- return FALSE;
+ SilcIdType id_type = (SilcIdType)(uint32)user_context;
+ return (id_type == SILC_ID_CLIENT ?
+ SILC_ID_COMPARE_HASH((SilcClientID *)key1, (SilcClientID *)key2) :
+ SILC_ID_COMPARE_TYPE(key1, key2, id_type));
+}
+
+/* Compare two Client ID's entirely and not just the hash from the ID. */
- if (regexec(&preg, string, 0, NULL, 0) == 0)
- ret = TRUE;
+bool silc_hash_client_id_compare(void *key1, void *key2, void *user_context)
+{
+ return SILC_ID_COMPARE_TYPE(key1, key2, SILC_ID_CLIENT);
+}
- regfree(&preg);
+/* Compares binary data. May be used as SilcHashTable comparison function. */
- return ret;
+bool silc_hash_data_compare(void *key1, void *key2, void *user_context)
+{
+ uint32 len = (uint32)user_context;
+ return !memcmp(key1, key2, len);
}
-/* Do regex match to the two strings `string1' and `string2'. If the
- `string2' matches the `string1' this returns TRUE. */
+/* Parses mode mask and returns the mode as string. */
-int silc_string_match(const char *string1, const char *string2)
+char *silc_client_chmode(uint32 mode, const char *cipher, const char *hmac)
{
- char *s1;
- int ret = FALSE;
+ char string[100];
- s1 = silc_string_regexify(string1);
- ret = silc_string_regex_match(s1, string2);
- silc_free(s1);
+ if (!mode)
+ return NULL;
- return ret;
+ memset(string, 0, sizeof(string));
+
+ if (mode & SILC_CHANNEL_MODE_PRIVATE)
+ strncat(string, "p", 1);
+
+ if (mode & SILC_CHANNEL_MODE_SECRET)
+ strncat(string, "s", 1);
+
+ if (mode & SILC_CHANNEL_MODE_PRIVKEY)
+ strncat(string, "k", 1);
+
+ if (mode & SILC_CHANNEL_MODE_INVITE)
+ strncat(string, "i", 1);
+
+ if (mode & SILC_CHANNEL_MODE_TOPIC)
+ strncat(string, "t", 1);
+
+ if (mode & SILC_CHANNEL_MODE_ULIMIT)
+ strncat(string, "l", 1);
+
+ if (mode & SILC_CHANNEL_MODE_PASSPHRASE)
+ strncat(string, "a", 1);
+
+ if (mode & SILC_CHANNEL_MODE_FOUNDER_AUTH)
+ strncat(string, "f", 1);
+
+ if (mode & SILC_CHANNEL_MODE_CIPHER)
+ strncat(string, cipher, strlen(cipher));
+
+ if (mode & SILC_CHANNEL_MODE_HMAC)
+ strncat(string, hmac, strlen(hmac));
+
+ /* Rest of mode is ignored */
+
+ return strdup(string);
}
-/* Returns the username of the user. If the global variable LOGNAME
- does not exists we will get the name from the password file. */
+/* Parses channel user mode mask and returns te mode as string */
-char *silc_get_username()
+char *silc_client_chumode(uint32 mode)
{
- char *logname = NULL;
-
- logname = strdup(getenv("LOGNAME"));
- if (!logname) {
- logname = getlogin();
- if (!logname) {
- struct passwd *pw;
-
- pw = getpwuid(getuid());
- if (!pw) {
- fprintf(stderr, "silc_get_username: %s\n", strerror(errno));
- return NULL;
- }
-
- logname = strdup(pw->pw_name);
- }
- }
-
- return logname;
-}
+ char string[4];
+
+ if (!mode)
+ return NULL;
+
+ memset(string, 0, sizeof(string));
+
+ if (mode & SILC_CHANNEL_UMODE_CHANFO)
+ strncat(string, "f", 1);
-/* Returns the real name of ther user. */
+ if (mode & SILC_CHANNEL_UMODE_CHANOP)
+ strncat(string, "o", 1);
-char *silc_get_real_name()
+ return strdup(string);
+}
+
+/* Parses channel user mode and returns it as special mode character. */
+
+char *silc_client_chumode_char(uint32 mode)
{
- char *realname = NULL;
- struct passwd *pw;
-
- pw = getpwuid(getuid());
- if (!pw) {
- fprintf(stderr, "silc_get_username: %s\n", strerror(errno));
+ char string[4];
+
+ if (!mode)
return NULL;
- }
- if (strchr(pw->pw_gecos, ','))
- *strchr(pw->pw_gecos, ',') = 0;
+ memset(string, 0, sizeof(string));
+
+ if (mode & SILC_CHANNEL_UMODE_CHANFO)
+ strncat(string, "*", 1);
- realname = strdup(pw->pw_gecos);
+ if (mode & SILC_CHANNEL_UMODE_CHANOP)
+ strncat(string, "@", 1);
- return realname;
+ return strdup(string);
}
projects / silc.git / blobdiff