GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 2, or (at your
+ by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
return ret;
}
+#define GNUNET_FS_URI_KSK_PREFIX GNUNET_FS_URI_PREFIX GNUNET_FS_URI_KSK_INFIX
/**
* Parse a KSK URI.
GNUNET_assert (s != NULL);
slen = strlen (s);
- pos = strlen (GNUNET_FS_URI_PREFIX GNUNET_FS_URI_KSK_INFIX);
+ pos = strlen (GNUNET_FS_URI_KSK_PREFIX);
if ( (slen <= pos) ||
- (0 != strncmp (s, GNUNET_FS_URI_PREFIX GNUNET_FS_URI_KSK_INFIX,
+ (0 != strncmp (s, GNUNET_FS_URI_KSK_PREFIX,
pos) ) )
return NULL; /* not KSK URI */
if ( (s[slen - 1] == '+') ||
}
+#define GNUNET_FS_URI_SKS_PREFIX GNUNET_FS_URI_PREFIX GNUNET_FS_URI_SKS_INFIX
+
/**
* Parse an SKS URI.
*
GNUNET_assert (s != NULL);
slen = strlen (s);
- pos = strlen (GNUNET_FS_URI_PREFIX GNUNET_FS_URI_SKS_INFIX);
+ pos = strlen ( GNUNET_FS_URI_SKS_PREFIX);
if ( (slen <= pos) ||
- (0 != strncmp (s, GNUNET_FS_URI_PREFIX GNUNET_FS_URI_SKS_INFIX,
+ (0 != strncmp (s, GNUNET_FS_URI_SKS_PREFIX,
pos) ) )
return NULL; /* not an SKS URI */
- if ( (slen < pos + sizeof (struct GNUNET_CRYPTO_HashAsciiEncoded) + 1) ||
+ if ( (slen < pos + sizeof (struct GNUNET_CRYPTO_HashAsciiEncoded)) ||
(s[pos + sizeof (struct GNUNET_CRYPTO_HashAsciiEncoded) - 1] != '/') )
{
*emsg = GNUNET_strdup (_("Malformed SKS URI"));
return ret;
}
+#define GNUNET_FS_URI_CHK_PREFIX GNUNET_FS_URI_PREFIX GNUNET_FS_URI_CHK_INFIX
+
/**
* Parse a CHK URI.
GNUNET_assert (s != NULL);
slen = strlen (s);
- pos = strlen (GNUNET_FS_URI_PREFIX GNUNET_FS_URI_CHK_INFIX);
+ pos = strlen (GNUNET_FS_URI_CHK_PREFIX);
if ( (slen < pos + 2 * sizeof (struct GNUNET_CRYPTO_HashAsciiEncoded) + 1) ||
- (0 != strncmp (s, GNUNET_FS_URI_PREFIX GNUNET_FS_URI_CHK_INFIX,
+ (0 != strncmp (s, GNUNET_FS_URI_CHK_PREFIX,
pos) ) )
return NULL; /* not a CHK URI */
if ( (s[pos + sizeof (struct GNUNET_CRYPTO_HashAsciiEncoded) - 1] != '.') ||
/**
* Convert string back to binary data.
*
- * @param input '\0'-terminated string
+ * @param input '\\0'-terminated string
* @param data where to write binary data
* @param size how much data should be converted
* @return number of characters processed from input,
bits = 0;
hbits = 0;
len = 0;
- pos = 0;
for (pos = 0; pos < size; pos++)
{
while (hbits < 8)
};
+#define GNUNET_FS_URI_LOC_PREFIX GNUNET_FS_URI_PREFIX GNUNET_FS_URI_LOC_INFIX
+
/**
* Parse a LOC URI.
* Also verifies validity of the location URI.
GNUNET_assert (s != NULL);
slen = strlen (s);
- pos = strlen (GNUNET_FS_URI_PREFIX GNUNET_FS_URI_LOC_INFIX);
+ pos = strlen ( GNUNET_FS_URI_LOC_PREFIX);
if ( (slen < pos + 2 * sizeof (struct GNUNET_CRYPTO_HashAsciiEncoded) + 1) ||
- (0 != strncmp (s, GNUNET_FS_URI_PREFIX GNUNET_FS_URI_LOC_INFIX,
+ (0 != strncmp (s, GNUNET_FS_URI_LOC_PREFIX,
pos) ) )
return NULL; /* not an SKS URI */
if ( (s[pos + sizeof (struct GNUNET_CRYPTO_HashAsciiEncoded) - 1] != '.') ||
}
ass.purpose.size = htonl(sizeof(struct LocUriAssembly));
ass.purpose.purpose = htonl(GNUNET_SIGNATURE_PURPOSE_PEER_PLACEMENT);
- et.value = exptime;
+ et.abs_value = exptime;
ass.exptime = GNUNET_TIME_absolute_hton (et);
if (GNUNET_OK !=
GNUNET_CRYPTO_rsa_verify (GNUNET_SIGNATURE_PURPOSE_PEER_PLACEMENT,
}
+/**
+ * Add the given keyword to the set of keywords represented by the URI.
+ * Does nothing if the keyword is already present.
+ *
+ * @param uri ksk uri to modify
+ * @param keyword keyword to add
+ * @param is_mandatory is this keyword mandatory?
+ */
+void
+GNUNET_FS_uri_ksk_add_keyword (struct GNUNET_FS_Uri *uri,
+ const char *keyword,
+ int is_mandatory)
+{
+ unsigned int i;
+ const char *old;
+ char *n;
+
+ GNUNET_assert (uri->type == ksk);
+ for (i = 0; i < uri->data.ksk.keywordCount; i++)
+ {
+ old = uri->data.ksk.keywords[i];
+ if (0 == strcmp (&old[1], keyword))
+ return;
+ }
+ GNUNET_asprintf (&n,
+ is_mandatory ? "+%s" : " %s",
+ keyword);
+ GNUNET_array_append (uri->data.ksk.keywords,
+ uri->data.ksk.keywordCount,
+ n);
+}
+
+
+/**
+ * Remove the given keyword from the set of keywords represented by the URI.
+ * Does nothing if the keyword is not present.
+ *
+ * @param uri ksk uri to modify
+ * @param keyword keyword to add
+ */
+void
+GNUNET_FS_uri_ksk_remove_keyword (struct GNUNET_FS_Uri *uri,
+ const char *keyword)
+{
+ unsigned int i;
+ char *old;
+
+ GNUNET_assert (uri->type == ksk);
+ for (i = 0; i < uri->data.ksk.keywordCount; i++)
+ {
+ old = uri->data.ksk.keywords[i];
+ if (0 == strcmp (&old[1], keyword))
+ {
+ uri->data.ksk.keywords[i] = uri->data.ksk.keywords[uri->data.ksk.keywordCount-1];
+ GNUNET_array_grow (uri->data.ksk.keywords,
+ uri->data.ksk.keywordCount,
+ uri->data.ksk.keywordCount - 1);
+ GNUNET_free (old);
+ return;
+ }
+ }
+}
+
+
/**
* Obtain the identity of the peer offering the data
*
}
+/**
+ * Obtain the expiration of the LOC URI.
+ *
+ * @param uri location URI to get the expiration from
+ * @return expiration time of the URI
+ */
+struct GNUNET_TIME_Absolute
+GNUNET_FS_uri_loc_get_expiration (const struct GNUNET_FS_Uri *uri)
+{
+ GNUNET_assert (uri->type == loc);
+ return uri->data.loc.expirationTime;
+}
+
+
+
/**
* Obtain the URI of the content itself.
*
/**
* Construct a location URI (this peer will be used for the location).
*
- * @param baseURI content offered by the sender
+ * @param baseUri content offered by the sender
* @param cfg configuration information (used to find our hostkey)
* @param expiration_time how long will the content be offered?
* @return the location URI, NULL on error
*/
struct GNUNET_FS_Uri *
GNUNET_FS_uri_loc_create (const struct GNUNET_FS_Uri *baseUri,
- struct GNUNET_CONFIGURATION_Handle *cfg,
+ const struct GNUNET_CONFIGURATION_Handle *cfg,
struct GNUNET_TIME_Absolute expiration_time)
{
struct GNUNET_FS_Uri *uri;
}
+/**
+ * Create an SKS URI from a namespace and an identifier.
+ *
+ * @param ns namespace
+ * @param id identifier
+ * @param emsg where to store an error message
+ * @return an FS URI for the given namespace and identifier
+ */
+struct GNUNET_FS_Uri *
+GNUNET_FS_uri_sks_create (struct GNUNET_FS_Namespace *ns,
+ const char *id,
+ char **emsg)
+{
+ struct GNUNET_FS_Uri *ns_uri;
+ struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pk;
+
+ ns_uri = GNUNET_malloc (sizeof (struct GNUNET_FS_Uri));
+ ns_uri->type = sks;
+ GNUNET_CRYPTO_rsa_key_get_public (ns->key,
+ &pk);
+ GNUNET_CRYPTO_hash (&pk,
+ sizeof (pk),
+ &ns_uri->data.sks.namespace);
+ ns_uri->data.sks.identifier = GNUNET_strdup (id);
+ return ns_uri;
+}
+
+
+/**
+ * Create an SKS URI from a namespace ID and an identifier.
+ *
+ * @param nsid namespace ID
+ * @param id identifier
+ * @return an FS URI for the given namespace and identifier
+ */
+struct GNUNET_FS_Uri *
+GNUNET_FS_uri_sks_create_from_nsid (GNUNET_HashCode *nsid,
+ const char *id)
+{
+ struct GNUNET_FS_Uri *ns_uri;
+
+ ns_uri = GNUNET_malloc (sizeof (struct GNUNET_FS_Uri));
+ ns_uri->type = sks;
+ ns_uri->data.sks.namespace = *nsid;
+ ns_uri->data.sks.identifier = GNUNET_strdup (id);
+ return ns_uri;
+}
+
+
/**
* Canonicalize a keyword.
*
rpos = in;
while ('\0' != *rpos)
{
- switch (tolower(*rpos))
+ switch (tolower( (unsigned char) *rpos))
{
case 'a':
case 'e':
case '\n':
case '\r':
/* skip characters listed above */
- rpos++;
break;
case 'b':
case 'c':
case 'y':
case 'z':
/* convert characters listed above to lower case */
- *wpos = tolower(*rpos);
+ *wpos = tolower( (unsigned char)*rpos);
wpos++;
+ break;
case '!':
case '.':
case '?':
/* keep characters listed above without changes */
*wpos = *rpos;
wpos++;
+ break;
default:
/* replace characters listed above with '_' */
*wpos = '_';
wpos++;
+ break;
}
rpos++;
}
const char *kp;
char **kl;
+ if ( (u1 == NULL) && (u2 == NULL) )
+ return NULL;
+ if (u1 == NULL)
+ return GNUNET_FS_uri_dup (u2);
+ if (u2 == NULL)
+ return GNUNET_FS_uri_dup (u1);
if ( (u1->type != ksk) ||
(u2->type != ksk) )
{
break;
}
if (0 == found)
- kl[kc++] = GNUNET_strdup (kp - 1);
+ kl[kc++] = GNUNET_strdup (kp);
}
ret = GNUNET_malloc (sizeof(struct GNUNET_FS_Uri));
ret->type = ksk;
struct GNUNET_FS_Uri *ret;
unsigned int i;
+ if (uri == NULL)
+ return NULL;
ret = GNUNET_malloc (sizeof (struct GNUNET_FS_Uri));
memcpy (ret, uri, sizeof (struct GNUNET_FS_Uri));
switch (ret->type)
{
case ksk:
+ if (ret->data.ksk.keywordCount >= GNUNET_MAX_MALLOC_CHECKED / sizeof (char*))
+ {
+ GNUNET_break (0);
+ GNUNET_free (ret);
+ return NULL;
+ }
if (ret->data.ksk.keywordCount > 0)
- {
+ {
ret->data.ksk.keywords
= GNUNET_malloc (ret->data.ksk.keywordCount * sizeof (char *));
for (i = 0; i < ret->data.ksk.keywordCount; i++)
if (keywords == NULL)
{
+ *emsg = GNUNET_strdup (_("No keywords specified!\n"));
GNUNET_break (0);
return NULL;
}
pos = searchString;
while ('\0' != *pos)
{
- if ((saw_quote == 0) && (isspace (*pos)))
+ if ((saw_quote == 0) && (isspace ((unsigned char) *pos)))
{
inWord = 0;
}
pos = searchString;
while ('\0' != *pos)
{
- if ((saw_quote == 0) && (isspace (*pos)))
+ if ((saw_quote == 0) && (isspace ( (unsigned char) *pos)))
{
inWord = 0;
*pos = '\0';
* Adds it to the URI.
*
* @param cls URI to update
- * @param type type of the meta data
- * @param data value of the meta data
- * @return GNUNET_OK (always)
+ * @param plugin_name name of the plugin that produced this value;
+ * special values can be used (i.e. '<zlib>' for zlib being
+ * used in the main libextractor library and yielding
+ * meta data).
+ * @param type libextractor-type describing the meta data
+ * @param format basic format information about data
+ * @param data_mime_type mime-type of data (not of the original file);
+ * can be NULL (if mime-type is not known)
+ * @param data actual meta-data found
+ * @param data_len number of bytes in data
+ * @return 0 (always)
*/
static int
gather_uri_data (void *cls,
- EXTRACTOR_KeywordType type,
- const char *data)
+ const char *plugin_name,
+ enum EXTRACTOR_MetaType type,
+ enum EXTRACTOR_MetaFormat format,
+ const char *data_mime_type,
+ const char *data,
+ size_t data_len)
{
struct GNUNET_FS_Uri *uri = cls;
char *nkword;
int j;
+ if ( (format != EXTRACTOR_METAFORMAT_UTF8) &&
+ (format != EXTRACTOR_METAFORMAT_C_STRING) )
+ return 0;
for (j = uri->data.ksk.keywordCount - 1; j >= 0; j--)
if (0 == strcmp (&uri->data.ksk.keywords[j][1], data))
return GNUNET_OK;
- nkword = GNUNET_malloc (strlen (data) + 2);
- strcpy (nkword, " "); /* not mandatory */
- strcat (nkword, data);
+ GNUNET_asprintf (&nkword,
+ " %s", /* space to mark as 'non mandatory' */
+ data);
uri->data.ksk.keywords[uri->data.ksk.keywordCount++] = nkword;
- return GNUNET_OK;
+ return 0;
}
* Construct a keyword-URI from meta-data (take all entries
* in the meta-data and construct one large keyword URI
* that lists all keywords that can be found in the meta-data).
- * @deprecated
+ *
+ * @param md metadata to use
+ * @return NULL on error, otherwise a KSK URI
*/
struct GNUNET_FS_Uri *
GNUNET_FS_uri_ksk_create_from_meta_data (const struct GNUNET_CONTAINER_MetaData *md)
{
struct GNUNET_FS_Uri *ret;
+ int ent;
if (md == NULL)
return NULL;
ret = GNUNET_malloc (sizeof (struct GNUNET_FS_Uri));
ret->type = ksk;
- ret->data.ksk.keywordCount = 0;
- ret->data.ksk.keywords = NULL;
- ret->data.ksk.keywords
- = GNUNET_malloc (sizeof (char *) *
- GNUNET_CONTAINER_meta_data_get_contents (md, NULL, NULL));
- GNUNET_CONTAINER_meta_data_get_contents (md, &gather_uri_data, ret);
+ ent = GNUNET_CONTAINER_meta_data_iterate (md, NULL, NULL);
+ if (ent > 0)
+ {
+ ret->data.ksk.keywords
+ = GNUNET_malloc (sizeof (char *) * ent);
+ GNUNET_CONTAINER_meta_data_iterate (md, &gather_uri_data, ret);
+ }
return ret;
-
}
static int
needs_percent (char c)
{
- return (!((isalnum (c)) ||
+ return (!((isalnum ( (unsigned char) c)) ||
(c == '-') || (c == '_') || (c == '.') || (c == '~')));
}
}
}
if (hbits > 0)
- ret[len++] = tbl[bits & 63];
+ ret[len] = tbl[bits & 63];
return ret;
}
(unsigned long long) GNUNET_ntohll (uri->data.loc.fi.file_length),
peerId,
peerSig,
- (unsigned long long) uri->data.loc.expirationTime.value);
+ (unsigned long long) uri->data.loc.expirationTime.abs_value);
GNUNET_free (peerSig);
GNUNET_free (peerId);
return ret;