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8020ea3b74
Conflicts: commandline.c monitor.c overlay.c overlay_interface.c overlay_packetformats.c rhizome_fetch.c rhizome_http.c rhizome_packetformats.c serval.h server.c testdefs.sh testframework.sh tests/dnaprotocol tests/server
244 lines
11 KiB
C
244 lines
11 KiB
C
/*
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Serval Distributed Numbering Architecture (DNA)
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Copyright (C) 2010 Paul Gardner-Stephen
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <sqlite3.h>
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#include "sha2.h"
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#include "strbuf.h"
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#include <sys/stat.h>
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#define RHIZOME_MANIFEST_ID_BYTES crypto_sign_edwards25519sha512batch_PUBLICKEYBYTES
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#define RHIZOME_MANIFEST_ID_STRLEN (RHIZOME_MANIFEST_ID_BYTES * 2)
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#define RHIZOME_BUNDLE_KEY_BYTES crypto_sign_edwards25519sha512batch_SECRETKEYBYTES
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#define RHIZOME_BUNDLE_KEY_STRLEN (RHIZOME_BUNDLE_KEY_BYTES * 2)
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#define RHIZOME_FILEHASH_BYTES SHA512_DIGEST_LENGTH
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#define RHIZOME_FILEHASH_STRLEN (RHIZOME_FILEHASH_BYTES * 2)
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#define RHIZOME_CRYPT_KEY_BYTES crypto_stream_xsalsa20_ref_KEYBYTES
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#define RHIZOME_CRYPT_KEY_STRLEN (RHIZOME_CRYPT_KEY_BYTES * 2)
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#define RHIZOME_CRYPT_PAGE_SIZE 4096
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#define RHIZOME_HTTP_PORT 4110
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#define RHIZOME_HTTP_PORT_MAX 4150
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extern long long rhizome_voice_timeout;
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#define RHIZOME_PRIORITY_HIGHEST RHIZOME_PRIORITY_SERVAL_CORE
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#define RHIZOME_PRIORITY_SERVAL_CORE 5
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#define RHIZOME_PRIORITY_SUBSCRIBED 4
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#define RHIZOME_PRIORITY_SERVAL_OPTIONAL 3
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#define RHIZOME_PRIORITY_DEFAULT 2
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#define RHIZOME_PRIORITY_SERVAL_BULK 1
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#define RHIZOME_PRIORITY_NOTINTERESTED 0
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#define RHIZOME_IDLE_TIMEOUT 10000
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typedef struct rhizome_signature {
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unsigned char signature[crypto_sign_edwards25519sha512batch_BYTES
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+crypto_sign_edwards25519sha512batch_PUBLICKEYBYTES+1];
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int signatureLength;
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} rhizome_signature;
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#define RHIZOME_BAR_BYTES 32
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#define MAX_MANIFEST_VARS 256
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#define MAX_MANIFEST_BYTES 8192
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typedef struct rhizome_manifest {
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int manifest_record_number;
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int manifest_bytes;
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int manifest_all_bytes;
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unsigned char manifestdata[MAX_MANIFEST_BYTES];
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unsigned char manifesthash[crypto_hash_sha512_BYTES];
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/* CryptoSign key pair for this manifest.
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The filename as distributed on Rhizome will be the public key
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of this pair, thus ensuring that noone can tamper with a bundle
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except the creator. */
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unsigned char cryptoSignPublic[crypto_sign_edwards25519sha512batch_PUBLICKEYBYTES];
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unsigned char cryptoSignSecret[crypto_sign_edwards25519sha512batch_SECRETKEYBYTES];
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int var_count;
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char *vars[MAX_MANIFEST_VARS];
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char *values[MAX_MANIFEST_VARS];
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int sig_count;
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/* Parties who have signed this manifest (raw byte format) */
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unsigned char *signatories[MAX_MANIFEST_VARS];
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/*
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0x61 = crypto_sign_edwards25519sha512batch()
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*/
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unsigned char signatureTypes[MAX_MANIFEST_VARS];
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int errors; /* if non-zero, then manifest should not be trusted */
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/* Set non-zero after variables have been packed and
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signature blocks appended.
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All fields below may not be valid until the manifest has been finalised */
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int finalised;
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/* time-to-live in hops of this manifest. */
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int ttl;
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/* When finalised, we keep the filehash and maximum priority due to any
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group membership handy */
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long long fileLength;
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int fileHashedP;
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char fileHexHash[SHA512_DIGEST_STRING_LENGTH];
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int fileHighestPriority;
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/* Absolute path of the file associated with the manifest */
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char *dataFileName;
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/* Whether the paylaod is encrypted or not */
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int payloadEncryption;
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/* Whether we have the secret for this manifest on hand */
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int haveSecret;
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/* Whether the manifest contains a signature that corresponds to the
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manifest id (ie public key) */
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int selfSigned;
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/* Version of the manifest. Typically the number of milliseconds since 1970. */
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long long version;
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int group_count;
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char *groups[MAX_MANIFEST_VARS];
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} rhizome_manifest;
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/* Supported service identifiers. These go in the 'service' field of every
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* manifest, and indicate which application must be used to process the bundle
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* after it is received by Rhizome.
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*/
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#define RHIZOME_SERVICE_FILE "file"
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#define RHIZOME_SERVICE_MESHMS "MeshMS1"
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extern long long rhizome_space;
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int rhizome_set_datastore_path(const char *path);
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const char *rhizome_datastore_path();
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int form_rhizome_datastore_path(char * buf, size_t bufsiz, const char *fmt, ...);
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int create_rhizome_datastore_dir();
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int form_rhizome_import_path(char * buf, size_t bufsiz, const char *fmt, ...);
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int create_rhizome_import_dir();
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/* Handy statement for forming the path of a rhizome store file in a char buffer whose declaration
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* is in scope (so that sizeof(buf) will work). Evaluates to true if the pathname fitted into
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* the provided buffer, false (0) otherwise (after logging an error). */
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#define FORM_RHIZOME_DATASTORE_PATH(buf,fmt,...) (form_rhizome_datastore_path((buf), sizeof(buf), (fmt), ##__VA_ARGS__))
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#define FORM_RHIZOME_IMPORT_PATH(buf,fmt,...) (form_rhizome_import_path((buf), sizeof(buf), (fmt), ##__VA_ARGS__))
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extern sqlite3 *rhizome_db;
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int rhizome_opendb();
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int rhizome_manifest_createid(rhizome_manifest *m);
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int rhizome_strn_is_manifest_id(const char *text);
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int rhizome_str_is_manifest_id(const char *text);
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int rhizome_strn_is_bundle_key(const char *text);
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int rhizome_str_is_bundle_key(const char *text);
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int rhizome_strn_is_bundle_crypt_key(const char *text);
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int rhizome_str_is_bundle_crypt_key(const char *text);
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int rhizome_strn_is_file_hash(const char *text);
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int rhizome_str_is_file_hash(const char *text);
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int rhizome_write_manifest_file(rhizome_manifest *m, const char *filename);
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int rhizome_manifest_selfsign(rhizome_manifest *m);
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int rhizome_drop_stored_file(const char *id,int maximum_priority);
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int rhizome_manifest_priority(char *id);
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int rhizome_read_manifest_file(rhizome_manifest *m, const char *filename, int bufferPAndSize);
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int rhizome_hash_file(rhizome_manifest *m, const char *filename,char *hash_out);
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char *rhizome_manifest_get(const rhizome_manifest *m, const char *var, char *out, int maxlen);
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long long rhizome_manifest_get_ll(rhizome_manifest *m, const char *var);
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int rhizome_manifest_set_ll(rhizome_manifest *m,char *var,long long value);
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int rhizome_manifest_set(rhizome_manifest *m, const char *var, const char *value);
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long long rhizome_file_size(char *filename);
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void _rhizome_manifest_free(const char *sourcefile,const char *funcname,int line,
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rhizome_manifest *m);
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#define rhizome_manifest_free(m) _rhizome_manifest_free(__FILE__,__FUNCTION__,__LINE__,m)
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rhizome_manifest *_rhizome_new_manifest(const char *file,const char *func,int line);
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#define rhizome_new_manifest() _rhizome_new_manifest(__FILE__,__FUNCTION__,__LINE__)
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int rhizome_manifest_pack_variables(rhizome_manifest *m);
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int rhizome_store_bundle(rhizome_manifest *m);
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int rhizome_manifest_add_group(rhizome_manifest *m,char *groupid);
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int rhizome_clean_payload(const char *fileidhex);
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int rhizome_store_file(rhizome_manifest *m,const unsigned char *key);
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int rhizome_finish_sqlstatement(sqlite3_stmt *statement);
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int rhizome_bundle_import(rhizome_manifest *m_in, rhizome_manifest **m_out,
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const char *bundle, int ttl);
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int rhizome_manifest_verify(rhizome_manifest *m);
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int rhizome_manifest_check_sanity(rhizome_manifest *m_in);
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int rhizome_manifest_check_file(rhizome_manifest *m_in);
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int rhizome_manifest_check_duplicate(rhizome_manifest *m_in,rhizome_manifest **m_out);
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int rhizome_manifest_bind_id(rhizome_manifest *m_in, const unsigned char *authorSid);
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int rhizome_manifest_bind_file(rhizome_manifest *m_in,const char *filename,int encryptP);
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int rhizome_manifest_finalise(rhizome_manifest *m);
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int rhizome_add_manifest(rhizome_manifest *m_in,int ttl);
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void rhizome_bytes_to_hex_upper(unsigned const char *in, char *out, int byteCount);
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int rhizome_find_privatekey(rhizome_manifest *m);
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rhizome_signature *rhizome_sign_hash(rhizome_manifest *m, const unsigned char *authorSid);
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int sqlite_prepare(sqlite3_stmt **statement, const strbuf stmt);
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int sqlite_prepare_loglevel(int log_level, sqlite3_stmt **statement, const strbuf stmt);
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int sqlite_exec_void(const char *sqlformat,...);
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int sqlite_exec_void_loglevel(int log_level, const char *sqlformat, ...);
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int sqlite_exec_void_strbuf_loglevel(int log_level, const strbuf stmt);
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int sqlite_exec_int64(long long *result, const char *sqlformat,...);
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int sqlite_exec_strbuf(strbuf sb, const char *sqlformat,...);
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double rhizome_manifest_get_double(rhizome_manifest *m,char *var,double default_value);
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int rhizome_manifest_extract_signature(rhizome_manifest *m,int *ofs);
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int rhizome_update_file_priority(const char *fileid);
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int rhizome_find_duplicate(const rhizome_manifest *m, rhizome_manifest **found,
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int checkVersionP);
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int rhizome_manifest_to_bar(rhizome_manifest *m,unsigned char *bar);
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int rhizome_queue_manifest_import(rhizome_manifest *m, struct sockaddr_in *peerip, int *manifest_kept);
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int rhizome_list_manifests(const char *service, const char *sender_sid, const char *recipient_sid, int limit, int offset);
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int rhizome_retrieve_manifest(const char *manifestid, rhizome_manifest **mp);
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int rhizome_retrieve_file(const char *fileid, const char *filepath,
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const unsigned char *key);
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#define RHIZOME_DONTVERIFY 0
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#define RHIZOME_VERIFY 1
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int rhizome_fetching_get_fds(struct pollfd *fds,int *fdcount,int fdmax);
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int rhizome_manifest_version_cache_lookup(rhizome_manifest *m);
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int rhizome_manifest_version_cache_store(rhizome_manifest *m);
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int monitor_announce_bundle(rhizome_manifest *m);
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int rhizome_bk_xor(const unsigned char *authorSid, // binary
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unsigned char bid[crypto_sign_edwards25519sha512batch_PUBLICKEYBYTES],
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unsigned char bkin[crypto_sign_edwards25519sha512batch_SECRETKEYBYTES],
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unsigned char bkout[crypto_sign_edwards25519sha512batch_SECRETKEYBYTES]);
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unsigned char *rhizome_bundle_shared_secret(rhizome_manifest *m);
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int rhizome_extract_privatekey(rhizome_manifest *m, const unsigned char *authorSid);
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int rhizome_verify_bundle_privatekey(rhizome_manifest *m);
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int rhizome_is_self_signed(rhizome_manifest *m);
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int rhizome_queue_ignore_manifest(rhizome_manifest *m,
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struct sockaddr_in *peerip,int timeout);
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int rhizome_ignore_manifest_check(rhizome_manifest *m,
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struct sockaddr_in *peerip);
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/* one manifest is required per candidate, plus a few spare.
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so MAX_RHIZOME_MANIFESTS must be > MAX_CANDIDATES.
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*/
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#define MAX_RHIZOME_MANIFESTS 24
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#define MAX_CANDIDATES 16
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int rhizome_suggest_queue_manifest_import(rhizome_manifest *m,
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struct sockaddr_in *peerip);
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