void CcnbMsg_setupEncap(CcnbMsg self, size_t size) { ccn_charbuf_reset(self); ccn_charbuf_reserve(self, size); self->length = size; memcpy(self->buf, CCN_EMPTY_PDU, CCN_EMPTY_PDU_LENGTH - 1); self->buf[self->length - 1] = CCN_EMPTY_PDU[CCN_EMPTY_PDU_LENGTH - 1]; }
/** * Append a binary timestamp * as a BLOB using the ccn binary Timestamp representation (12-bit fraction). * @param c is the buffer to append to. * @param marker * If marker >= 0, the low-order byte is used as a marker byte, useful for * some content naming conventions (versioning, in particular). * @param secs - seconds since epoch * @param nsecs - nanoseconds * @returns 0 for success or -1 for error. */ int ccnb_append_timestamp_blob(struct ccn_charbuf *c, enum ccn_marker marker, intmax_t secs, int nsecs) { int i; int n; intmax_t ts; unsigned char *p; if (secs <= 0 || nsecs < 0 || nsecs > 999999999) return(-1); n = 2; for (ts = secs >> 4; n < 7 && ts != 0; ts >>= 8) n++; ccn_charbuf_append_tt(c, n + (marker >= 0), CCN_BLOB); if (marker >= 0) ccn_charbuf_append_value(c, marker, 1); p = ccn_charbuf_reserve(c, n); if (p == NULL) return(-1); ts = secs >> 4; for (i = 0; i < n - 2; i++) p[i] = ts >> (8 * (n - 3 - i)); /* arithmetic contortions are to avoid overflowing 31 bits */ ts = ((secs & 15) << 12) + ((nsecs / 5 * 8 + 195312) / 390625); for (i = n - 2; i < n; i++) p[i] = ts >> (8 * (n - 1 - i)); c->length += n; return(0); }
/** * Append a tagged UDATA string, with printf-style formatting * * This is a ccnb-encoded element with containing UDATA as content. * @param c is the buffer to append to. * @param dtag is the element's dtab. * @param fmt is a printf-style format string, followed by its values * @returns 0 for success or -1 for error. */ int ccnb_tagged_putf(struct ccn_charbuf *c, enum ccn_dtag dtag, const char *fmt, ...) { int res; int size; va_list ap; char *ptr; res = ccn_charbuf_append_tt(c, dtag, CCN_DTAG); if (res < 0) return(-1); ptr = (char *)ccn_charbuf_reserve(c, strlen(fmt) + 20); if (ptr == NULL) return(-1); va_start(ap, fmt); size = vsnprintf(ptr + 2, (c->limit - c->length - 2), fmt, ap); va_end(ap); if (size < 0) return(-1); if (size > 0) { if (size >= (c->limit - c->length - 2)) ptr = NULL; res |= ccn_charbuf_append_tt(c, size, CCN_UDATA); if (ptr == (char *)c->buf + c->length + 2) c->length += size; else if (ptr == (char *)c->buf + c->length + 1) { memmove(ptr - 1, ptr, size); c->length += size; } else { ptr = (char *)ccn_charbuf_reserve(c, size + 1); va_start(ap, fmt); size = vsnprintf(ptr, size + 1, fmt, ap); va_end(ap); if (size < 0) return(-1); c->length += size; } } res |= ccn_charbuf_append_closer(c); return(res == 0 ? 0 : -1); }
void CcnbMsg_setupEncap(CcnbMsg self, size_t size) { #ifdef NDNFD assert(false); #endif ccn_charbuf_reset(self); ccn_charbuf_reserve(self, size); self->length = size; memcpy(self->buf, CCN_EMPTY_PDU, CCN_EMPTY_PDU_LENGTH - 1); self->buf[self->length - 1] = CCN_EMPTY_PDU[CCN_EMPTY_PDU_LENGTH - 1]; }
CcnbMsg CcnbMsg_ctor(size_t size) { CcnbMsg self = (CcnbMsg)ccn_charbuf_create(); #ifdef NDNFD ccn_charbuf_reserve(self, size); self->length = size; #else CcnbMsg_setupEncap(self, size + CCN_EMPTY_PDU_LENGTH); #endif return self; }
void CcnbMsg_resize(CcnbMsg self, size_t size) { #ifdef NDNFD if (size > self->length) { ccn_charbuf_reserve(self, size - self->length); } self->length = size; #else size_t oldsize = self->length + CCN_EMPTY_PDU_LENGTH; if (size == oldsize) return; CcnbMsg_setupEncap(self, size + CCN_EMPTY_PDU_LENGTH); #endif }
static void append_bloom_element(struct ccn_charbuf *templ, enum ccn_dtag dtag, struct ccn_bloom *b) { int i; ccn_charbuf_append_tt(templ, dtag, CCN_DTAG); i = ccn_bloom_wiresize(b); ccn_charbuf_append_tt(templ, i, CCN_BLOB); ccn_bloom_store_wire(b, ccn_charbuf_reserve(templ, i), i); templ->length += i; ccn_charbuf_append_closer(templ); }
/* * Encode the number in big-endian binary, using one more than the * minimum number of bytes (that is, the first byte is always zero). */ void ccn_binary_seqfunc(uintmax_t x, void *param, struct ccn_charbuf *resultbuf) { uintmax_t m; int n; unsigned char *b; (void)param; /* unused */ for (n = 0, m = 0; x < m; n++) m = (m << 8) | 0xff; b = ccn_charbuf_reserve(resultbuf, n + 1); resultbuf->length = n + 1; for (; n >= 0; n--, x >>= 8) b[n] = x & 0xff; }
/** * Read the contents of the repository config file * * Calls r_init_fail and returns NULL in case of error. * @returns unparsed content of config file in a newly allocated charbuf */ struct ccn_charbuf * r_init_read_config(struct ccnr_handle *h) { struct ccn_charbuf *path = NULL; struct ccn_charbuf *contents = NULL; size_t sz = 800; ssize_t sres = -1; int fd; h->directory = getenv("CCNR_DIRECTORY"); if (h->directory == NULL || h->directory[0] == 0) h->directory = "."; path = ccn_charbuf_create(); contents = ccn_charbuf_create(); if (path == NULL || contents == NULL) return(NULL); ccn_charbuf_putf(path, "%s/config", h->directory); fd = open(ccn_charbuf_as_string(path), O_RDONLY); if (fd == -1) { if (errno == ENOENT) sres = 0; else r_init_fail(h, __LINE__, ccn_charbuf_as_string(path), errno); } else { for (;;) { sres = read(fd, ccn_charbuf_reserve(contents, sz), sz); if (sres == 0) break; if (sres < 0) { r_init_fail(h, __LINE__, "Read failed reading config", errno); break; } contents->length += sres; if (contents->length > 999999) { r_init_fail(h, __LINE__, "config file too large", 0); sres = -1; break; } } close(fd); } ccn_charbuf_destroy(&path); if (sres < 0) ccn_charbuf_destroy(&contents); return(contents); }
/** * Read the former size of repoFile1 from index/stable, and remove * the latter. */ static void r_store_read_stable_point(struct ccnr_handle *h) { struct ccn_charbuf *path = NULL; struct ccn_charbuf *cb = NULL; int fd; int i; ssize_t rres; uintmax_t val; unsigned char c; path = ccn_charbuf_create(); cb = ccn_charbuf_create(); ccn_charbuf_putf(path, "%s/index/stable", h->directory); fd = open(ccn_charbuf_as_string(path), O_RDONLY, 0666); if (fd != -1) { rres = read(fd, ccn_charbuf_reserve(cb, 80), 80); if (rres > 0) cb->length = rres; close(fd); if (CCNSHOULDLOG(h, dfsdf, CCNL_INFO)) ccnr_msg(h, "Last stable at %s", ccn_charbuf_as_string(cb)); } for (val = 0, i = 0; i < cb->length; i++) { c = cb->buf[i]; if ('0' <= c && c <= '9') val = val * 10 + (c - '0'); else break; } if (i == 0 || i < cb->length) { ccnr_msg(h, "Bad stable mark - %s", ccn_charbuf_as_string(cb)); h->stable = 0; } else { h->stable = val; unlink(ccn_charbuf_as_string(path)); } ccn_charbuf_destroy(&path); ccn_charbuf_destroy(&cb); }
int ccn_append_pubkey_blob(struct ccn_charbuf *c, const struct ccn_pkey *i_pubkey) { int res; size_t bytes; unsigned char *p = NULL; res = i2d_PUBKEY((EVP_PKEY *)i_pubkey, NULL); if (res < 0) return(-1); bytes = res; res = ccn_charbuf_append_tt(c, bytes, CCN_BLOB); if (res < 0) return(-1); p = ccn_charbuf_reserve(c, bytes); if (p == NULL) return(-1); res = i2d_PUBKEY((EVP_PKEY *)i_pubkey, &p); if (res != (int)bytes) return(-1); c->length += bytes; return(bytes); }
PUBLIC int r_io_open_repo_data_file(struct ccnr_handle *h, const char *name, int output) { struct ccn_charbuf *temp = NULL; int fd = -1; struct fdholder *fdholder = NULL; temp = ccn_charbuf_create(); ccn_charbuf_putf(temp, "%s/%s", h->directory, name); fd = open(ccn_charbuf_as_string(temp), output ? (O_CREAT | O_WRONLY | O_APPEND) : O_RDONLY, 0666); if (fd == -1) { if (CCNSHOULDLOG(h, sdf, CCNL_FINE)) ccnr_msg(h, "open(%s): %s", ccn_charbuf_as_string(temp), strerror(errno)); ccn_charbuf_destroy(&temp); return(-1); } fdholder = r_io_record_fd(h, fd, temp->buf, temp->length, CCNR_FACE_REPODATA | (output ? CCNR_FACE_NORECV : CCNR_FACE_NOSEND)); if (fdholder == NULL) close_fd(&fd); else { if (!output) { /* Use a larger buffer for indexing an existing repo file */ if (fdholder->inbuf == NULL) { fdholder->inbuf = ccn_charbuf_create(); fdholder->bufoffset = 0; } if (fdholder->inbuf != NULL) ccn_charbuf_reserve(fdholder->inbuf, 256 * 1024); } if (CCNSHOULDLOG(h, sdf, CCNL_INFO)) ccnr_msg(h, "opened fd=%d file=%s", fd, ccn_charbuf_as_string(temp)); } ccn_charbuf_destroy(&temp); return(fd); }
int main(int argc, char **argv) { const char *progname = argv[0]; struct ccn *ccn = NULL; struct ccn_charbuf *name = NULL; struct ccn_charbuf *pname = NULL; struct ccn_charbuf *temp = NULL; struct ccn_charbuf *extopt = NULL; long expire = -1; int versioned = 0; size_t blocksize = 8*1024; int status = 0; int res; ssize_t read_res; unsigned char *buf = NULL; enum ccn_content_type content_type = CCN_CONTENT_DATA; struct ccn_closure in_interest = {.p=&incoming_interest}; const char *postver = NULL; const char *key_uri = NULL; int force = 0; int verbose = 0; int timeout = -1; int setfinal = 0; int prefixcomps = -1; int fd; struct ccn_signing_params sp = CCN_SIGNING_PARAMS_INIT; while ((res = getopt(argc, argv, "e:fhk:lvV:p:t:w:x:")) != -1) { switch (res) { case 'e': if (extopt == NULL) extopt = ccn_charbuf_create(); fd = open(optarg, O_RDONLY); if (fd < 0) { perror(optarg); exit(1); } for (;;) { read_res = read(fd, ccn_charbuf_reserve(extopt, 64), 64); if (read_res <= 0) break; extopt->length += read_res; } if (read_res < 0) perror(optarg); close(fd); break; case 'f': force = 1; break; case 'l': setfinal = 1; // set FinalBlockID to last comp of name break; case 'k': key_uri = optarg; break; case 'p': prefixcomps = atoi(optarg); if (prefixcomps < 0) usage(progname); break; case 'x': expire = atol(optarg); if (expire <= 0) usage(progname); break; case 'v': verbose = 1; break; case 'V': versioned = 1; postver = optarg; if (0 == memcmp(postver, "%00", 3)) setfinal = 1; break; case 'w': timeout = atol(optarg); if (timeout <= 0) usage(progname); timeout *= 1000; break; case 't': if (0 == strcasecmp(optarg, "DATA")) { content_type = CCN_CONTENT_DATA; break; } if (0 == strcasecmp(optarg, "ENCR")) { content_type = CCN_CONTENT_ENCR; break; } if (0 == strcasecmp(optarg, "GONE")) { content_type = CCN_CONTENT_GONE; break; } if (0 == strcasecmp(optarg, "KEY")) { content_type = CCN_CONTENT_KEY; break; } if (0 == strcasecmp(optarg, "LINK")) { content_type = CCN_CONTENT_LINK; break; } if (0 == strcasecmp(optarg, "NACK")) { content_type = CCN_CONTENT_NACK; break; } content_type = atoi(optarg); if (content_type > 0 && content_type <= 0xffffff) break; fprintf(stderr, "Unknown content type %s\n", optarg); /* FALLTHRU */ default: case 'h': usage(progname); break; } } argc -= optind; argv += optind; if (argv[0] == NULL) usage(progname); name = ccn_charbuf_create(); res = ccn_name_from_uri(name, argv[0]); if (res < 0) { fprintf(stderr, "%s: bad ccn URI: %s\n", progname, argv[0]); exit(1); } if (argv[1] != NULL) fprintf(stderr, "%s warning: extra arguments ignored\n", progname); /* Preserve the original prefix, in case we add versioning, * but trim it down if requested for the interest filter registration */ pname = ccn_charbuf_create(); ccn_charbuf_append(pname, name->buf, name->length); if (prefixcomps >= 0) { res = ccn_name_chop(pname, NULL, prefixcomps); if (res < 0) { fprintf(stderr, "%s: unable to trim name to %d component%s.\n", progname, prefixcomps, prefixcomps == 1 ? "" : "s"); exit(1); } } /* Connect to ccnd */ ccn = ccn_create(); if (ccn_connect(ccn, NULL) == -1) { perror("Could not connect to ccnd"); exit(1); } /* Read the actual user data from standard input */ buf = calloc(1, blocksize); read_res = read_full(0, buf, blocksize); if (read_res < 0) { perror("read"); read_res = 0; status = 1; } /* Tack on the version component if requested */ if (versioned) { res = ccn_create_version(ccn, name, CCN_V_REPLACE | CCN_V_NOW | CCN_V_HIGH, 0, 0); if (res < 0) { fprintf(stderr, "%s: ccn_create_version() failed\n", progname); exit(1); } if (postver != NULL) { res = ccn_name_from_uri(name, postver); if (res < 0) { fprintf(stderr, "-V %s: invalid name suffix\n", postver); exit(0); } } } temp = ccn_charbuf_create(); /* Ask for a FinalBlockID if appropriate. */ if (setfinal) sp.sp_flags |= CCN_SP_FINAL_BLOCK; if (res < 0) { fprintf(stderr, "Failed to create signed_info (res == %d)\n", res); exit(1); } /* Set content type */ sp.type = content_type; /* Set freshness */ if (expire >= 0) { if (sp.template_ccnb == NULL) { sp.template_ccnb = ccn_charbuf_create(); ccn_charbuf_append_tt(sp.template_ccnb, CCN_DTAG_SignedInfo, CCN_DTAG); } else if (sp.template_ccnb->length > 0) { sp.template_ccnb->length--; } ccnb_tagged_putf(sp.template_ccnb, CCN_DTAG_FreshnessSeconds, "%ld", expire); sp.sp_flags |= CCN_SP_TEMPL_FRESHNESS; ccn_charbuf_append_closer(sp.template_ccnb); } /* Set key locator, if supplied */ if (key_uri != NULL) { struct ccn_charbuf *c = ccn_charbuf_create(); res = ccn_name_from_uri(c, key_uri); if (res < 0) { fprintf(stderr, "%s is not a valid ccnx URI\n", key_uri); exit(1); } if (sp.template_ccnb == NULL) { sp.template_ccnb = ccn_charbuf_create(); ccn_charbuf_append_tt(sp.template_ccnb, CCN_DTAG_SignedInfo, CCN_DTAG); } else if (sp.template_ccnb->length > 0) { sp.template_ccnb->length--; } ccn_charbuf_append_tt(sp.template_ccnb, CCN_DTAG_KeyLocator, CCN_DTAG); ccn_charbuf_append_tt(sp.template_ccnb, CCN_DTAG_KeyName, CCN_DTAG); ccn_charbuf_append(sp.template_ccnb, c->buf, c->length); ccn_charbuf_append_closer(sp.template_ccnb); ccn_charbuf_append_closer(sp.template_ccnb); sp.sp_flags |= CCN_SP_TEMPL_KEY_LOCATOR; ccn_charbuf_append_closer(sp.template_ccnb); ccn_charbuf_destroy(&c); } if (extopt != NULL && extopt->length > 0) { if (sp.template_ccnb == NULL) { sp.template_ccnb = ccn_charbuf_create(); ccn_charbuf_append_tt(sp.template_ccnb, CCN_DTAG_SignedInfo, CCN_DTAG); } else if (sp.template_ccnb->length > 0) { sp.template_ccnb->length--; } ccnb_append_tagged_blob(sp.template_ccnb, CCN_DTAG_ExtOpt, extopt->buf, extopt->length); sp.sp_flags |= CCN_SP_TEMPL_EXT_OPT; ccn_charbuf_append_closer(sp.template_ccnb); } /* Create the signed content object, ready to go */ temp->length = 0; res = ccn_sign_content(ccn, temp, name, &sp, buf, read_res); if (res != 0) { fprintf(stderr, "Failed to encode ContentObject (res == %d)\n", res); exit(1); } if (read_res == blocksize) { read_res = read_full(0, buf, 1); if (read_res == 1) { fprintf(stderr, "%s: warning - truncated data\n", argv[0]); status = 1; } } free(buf); buf = NULL; if (force) { /* At user request, send without waiting to see an interest */ res = ccn_put(ccn, temp->buf, temp->length); if (res < 0) { fprintf(stderr, "ccn_put failed (res == %d)\n", res); exit(1); } } else { in_interest.data = temp; /* Set up a handler for interests */ res = ccn_set_interest_filter(ccn, pname, &in_interest); if (res < 0) { fprintf(stderr, "Failed to register interest (res == %d)\n", res); exit(1); } res = ccn_run(ccn, timeout); if (in_interest.intdata == 0) { if (verbose) fprintf(stderr, "Nobody's interested\n"); exit(1); } } if (verbose) { struct ccn_charbuf *uri = ccn_charbuf_create(); uri->length = 0; ccn_uri_append(uri, name->buf, name->length, 1); printf("wrote %s\n", ccn_charbuf_as_string(uri)); ccn_charbuf_destroy(&uri); } ccn_destroy(&ccn); ccn_charbuf_destroy(&name); ccn_charbuf_destroy(&pname); ccn_charbuf_destroy(&temp); ccn_charbuf_destroy(&sp.template_ccnb); ccn_charbuf_destroy(&extopt); exit(status); }
static const unsigned char * r_store_content_read(struct ccnr_handle *h, struct content_entry *content) { unsigned repofile; off_t offset; struct ccn_charbuf *cob = NULL; ssize_t rres = 0; int fd = -1; unsigned char buf[8800]; struct ccn_skeleton_decoder decoder = {0}; struct ccn_skeleton_decoder *d = &decoder; ssize_t dres; repofile = r_store_repofile_from_accession(h, content->accession); offset = r_store_offset_from_accession(h, content->accession); if (repofile != 1) goto Bail; if (content->cob != NULL) goto Bail; fd = r_io_repo_data_file_fd(h, repofile, 0); if (fd == -1) goto Bail; cob = ccn_charbuf_create(); if (cob == NULL) goto Bail; if (content->size > 0) { if (ccn_charbuf_reserve(cob, content->size) == NULL) goto Bail; rres = pread(fd, cob->buf, content->size, offset); if (rres == content->size) { cob->length = content->size; content->cob = cob; h->cob_count++; return(cob->buf); } if (rres == -1) ccnr_msg(h, "r_store_content_read %u :%s (errno = %d)", fd, strerror(errno), errno); else ccnr_msg(h, "r_store_content_read %u expected %d bytes, but got %d", fd, (int)content->size, (int)rres); } else { rres = pread(fd, buf, 8800, offset); // XXX - should be symbolic if (rres == -1) { ccnr_msg(h, "r_store_content_read %u :%s (errno = %d)", fd, strerror(errno), errno); goto Bail; } dres = ccn_skeleton_decode(d, buf, rres); if (d->state != 0) { ccnr_msg(h, "r_store_content_read %u : error parsing cob", fd); goto Bail; } content->size = dres; if (ccn_charbuf_append(cob, buf, dres) < 0) goto Bail; content->cob = cob; h->cob_count++; return(cob->buf); } Bail: ccn_charbuf_destroy(&cob); return(NULL); }
int main(int argc, char *argv[]) { struct ccn_charbuf *buffer; struct ccn_charbuf *signed_info = ccn_charbuf_create(); struct ccn_skeleton_decoder dd = {0}; ssize_t res; char *outname = NULL; int result = 0; char * contents[] = {"INVITE sip:[email protected] SIP/2.0\nVia: SIP/2.0/UDP 127.0.0.1:5060;rport;branch=z9hG4bK519044721\nFrom: <sip:[email protected]>;tag=2105643453\nTo: Test User <sip:[email protected]>\nCall-ID: [email protected]\nCSeq: 20 INVITE\nContact: <sip:[email protected]:5060>\nMax-Forwards: 70\nUser-Agent: Linphone-1.7.1/eXosip\nSubject: Phone call\nExpires: 120\nAllow: INVITE, ACK, CANCEL, BYE, OPTIONS, REFER, SUBSCRIBE, NOTIFY, MESSAGE\nContent-Type: application/sdp\nContent-Length: 448\n\nv=0\no=jthornto 123456 654321 IN IP4 127.0.0.1\ns=A conversation\nc=IN IP4 127.0.0.1\nt=0 0\nm=audio 7078 RTP/AVP 111 110 0 3 8 101\na=rtpmap:111 speex/16000/1\na=rtpmap:110 speex/8000/1\na=rtpmap:0 PCMU/8000/1\na=rtpmap:3 GSM/8000/1\na=rtpmap:8 PCMA/8000/1\na=rtpmap:101 telephone-event/8000\na=fmtp:101 0-11\nm=video 9078 RTP/AVP 97 98 99\na=rtpmap:97 theora/90000\na=rtpmap:98 H263-1998/90000\na=fmtp:98 CIF=1;QCIF=1\na=rtpmap:99 MP4V-ES/90000\n", "Quaer #%2d zjduer badone", "", NULL}; char * paths[] = { "/sip/protocol/parc.com/domain/foo/principal/invite/verb/[email protected]/id", "/d/e/f", "/zero/length/content", NULL}; struct path * cur_path = NULL; struct ccn_keystore *keystore = ccn_keystore_create(); struct ccn_keystore *aes_keystore = ccn_aes_keystore_create(); char *keystore_name = NULL; char *keystore_password = NULL; char *aes_keystore_name = NULL; unsigned char keybuf[32]; int i; while ((i = getopt(argc, argv, "a:k:p:o:")) != -1) { switch (i) { case 'a': aes_keystore_name = optarg; break; case 'k': keystore_name = optarg; break; case 'p': keystore_password = optarg; break; case 'o': outname = optarg; break; default: printf("Usage: %s [-k <keystore>] [-o <outfilename>]\n", argv[0]); exit(1); } } if (keystore_name == NULL) keystore_name = "test.keystore"; if (aes_keystore_name == NULL) aes_keystore_name = "test.aeskeystore"; if (keystore_password == NULL) keystore_password = "******"; res = ccn_keystore_init(keystore, keystore_name, keystore_password); if (res != 0) { printf ("Initializing keystore in %s\n", keystore_name); res = ccn_keystore_file_init(keystore_name, keystore_password, "ccnxuser", 0, 3650); if (res != 0) { fprintf (stderr, "Cannot create keystore [%s]", keystore_name); return res; } res = ccn_keystore_init(keystore, keystore_name, keystore_password); if (res != 0) { printf("Failed to initialize keystore\n"); exit(1); } } res = ccn_aes_keystore_init(aes_keystore, aes_keystore_name, keystore_password); if (res != 0) { printf ("Initializing AES keystore in %s\n", aes_keystore_name); ccn_generate_symmetric_key(keybuf, 256); res = ccn_aes_keystore_file_init(aes_keystore_name, keystore_password, keybuf, 256); if (res != 0) { fprintf (stderr, "Cannot create keystore [%s]", keystore_name); return res; } res = ccn_aes_keystore_init(aes_keystore, aes_keystore_name, keystore_password); if (res != 0) { printf("Failed to initialize keystore\n"); exit(1); } } printf("Creating signed_info\n"); res = ccn_signed_info_create(signed_info, /*pubkeyid*/ccn_keystore_key_digest(keystore), /*publisher_key_id_size*/ccn_keystore_key_digest_length(keystore), /*timestamp*/NULL, /*type*/CCN_CONTENT_GONE, /*freshness*/ 42, /*finalblockid*/NULL, /*keylocator*/NULL); if (res < 0) { printf("Failed to create signed_info!\n"); } res = ccn_skeleton_decode(&dd, signed_info->buf, signed_info->length); if (!(res == signed_info->length && dd.state == 0)) { printf("Failed to decode signed_info! Result %d State %d\n", (int)res, dd.state); result = 1; } memset(&dd, 0, sizeof(dd)); printf("Done with signed_info\n"); result = encode_sample_test(ccn_keystore_key(keystore), ccn_keystore_public_key(keystore), ccn_keystore_digest_algorithm(keystore), paths, contents, signed_info, outname); if (! result) { result = encode_sample_test(ccn_keystore_key(aes_keystore), ccn_keystore_key(aes_keystore), ccn_keystore_digest_algorithm(aes_keystore), paths, contents, signed_info, outname); } /* Now exercise as unit tests */ for (i = 0; paths[i] != NULL && contents[i] != NULL; i++) { printf("Unit test case %d\n", i); cur_path = path_create(paths[i]); buffer = ccn_charbuf_create(); if (encode_message(buffer, cur_path, contents[i], strlen(contents[i]), signed_info, ccn_keystore_key(keystore), ccn_keystore_digest_algorithm(keystore))) { printf("Failed encode\n"); result = 1; } else if (decode_message(buffer, cur_path, contents[i], strlen(contents[i]), ccn_keystore_public_key(keystore))) { printf("Failed decode\n"); result = 1; } ccn_charbuf_destroy(&buffer); buffer = ccn_charbuf_create(); if (encode_message(buffer, cur_path, contents[i], strlen(contents[i]), signed_info, ccn_keystore_key(aes_keystore), ccn_keystore_digest_algorithm(aes_keystore))) { printf("Failed encode\n"); result = 1; } else if (decode_message(buffer, cur_path, contents[i], strlen(contents[i]), ccn_keystore_key(aes_keystore))) { printf("Failed decode\n"); result = 1; } path_destroy(&cur_path); ccn_charbuf_destroy(&buffer); } /* Test the uri encode / decode routines */ init_all_chars_percent_encoded(); init_all_chars_mixed_encoded(); const char *uri_tests[] = { "_+4", "ccnx:/this/is/a/test", "", "ccnx:/this/is/a/test", ".+4", "../test2?x=2", "?x=2", "ccnx:/this/is/a/test2", "_-X", "../should/error", "", "", "_+2", "/missing/scheme", "", "ccnx:/missing/scheme", ".+0", "../../../../../././#/", "#/", "ccnx:/", ".+1", all_chars_percent_encoded, "", all_chars_percent_encoded_canon, "_+1", all_chars_percent_encoded_canon, "", all_chars_percent_encoded_canon, ".+4", "ccnx:/.../.%2e./...././.....///?...", "?...", "ccnx:/.../.../..../.....", "_-X", "/%3G?bad-pecent-encode", "", "", "_-X", "/%3?bad-percent-encode", "", "", "_-X", "/%#bad-percent-encode", "", "", "_+3", "ccnx://[email protected]:42/ignore/host/part of uri", "", "ccnx:/ignore/host/part%20of%20uri", NULL, NULL, NULL, NULL }; const char **u; struct ccn_charbuf *uri_out = ccn_charbuf_create(); buffer = ccn_charbuf_create(); for (u = uri_tests; *u != NULL; u += 4, i++) { printf("Unit test case %d\n", i); if (u[0][0] != '.') buffer->length = 0; res = ccn_name_from_uri(buffer, u[1]); if (!expected_res(res, u[0][1])) { printf("Failed: ccn_name_from_uri wrong res %d\n", (int)res); result = 1; } if (res >= 0) { if (res > strlen(u[1])) { printf("Failed: ccn_name_from_uri long res %d\n", (int)res); result = 1; } else if (0 != strcmp(u[1] + res, u[2])) { printf("Failed: ccn_name_from_uri expecting leftover '%s', got '%s'\n", u[2], u[1] + res); result = 1; } uri_out->length = 0; res = ccn_uri_append(uri_out, buffer->buf, buffer->length, CCN_URI_PERCENTESCAPE | CCN_URI_INCLUDESCHEME); if (!expected_res(res, u[0][2])) { printf("Failed: ccn_uri_append wrong res %d\n", (int)res); result = 1; } if (res >= 0) { if (uri_out->length != strlen(u[3])) { printf("Failed: ccn_uri_append produced wrong number of characters\n"); result = 1; } ccn_charbuf_reserve(uri_out, 1)[0] = 0; if (0 != strcmp((const char *)uri_out->buf, u[3])) { printf("Failed: ccn_uri_append produced wrong output\n"); printf("Expected: %s\n", u[3]); printf(" Actual: %s\n", (const char *)uri_out->buf); result = 1; } } } } ccn_charbuf_destroy(&buffer); ccn_charbuf_destroy(&uri_out); printf("Name marker tests\n"); do { const char *expected_uri = "ccnx:/example.com/.../%01/%FE/%01%02%03%04%05%06%07%08/%FD%10%10%10%10%1F%FF/%00%81"; const char *expected_chopped_uri = "ccnx:/example.com/.../%01/%FE"; const char *expected_bumped_uri = "ccnx:/example.com/.../%01/%FF"; const char *expected_bumped2_uri = "ccnx:/example.com/.../%01/%00%00"; printf("Unit test case %d\n", i++); buffer = ccn_charbuf_create(); uri_out = ccn_charbuf_create(); res = ccn_name_init(buffer); res |= ccn_name_append_str(buffer, "example.com"); res |= ccn_name_append_numeric(buffer, CCN_MARKER_NONE, 0); res |= ccn_name_append_numeric(buffer, CCN_MARKER_NONE, 1); res |= ccn_name_append_numeric(buffer, 0xFE, 0); res |= ccn_name_append_numeric(buffer, CCN_MARKER_NONE, 0x0102030405060708ULL); res |= ccn_name_append_numeric(buffer, CCN_MARKER_VERSION, 0x101010101FFFULL); res |= ccn_name_append_numeric(buffer, CCN_MARKER_SEQNUM, 129); res |= ccn_uri_append(uri_out, buffer->buf, buffer->length, CCN_URI_PERCENTESCAPE | CCN_URI_INCLUDESCHEME); if (res < 0) { printf("Failed: name marker tests had negative res\n"); result = 1; } if (0 != strcmp(ccn_charbuf_as_string(uri_out), expected_uri)) { printf("Failed: name marker tests produced wrong output\n"); printf("Expected: %s\n", expected_uri); printf(" Actual: %s\n", (const char *)uri_out->buf); result = 1; } res = ccn_name_chop(buffer, NULL, 100); if (res != -1) { printf("Failed: ccn_name_chop did not produce error \n"); result = 1; } res = ccn_name_chop(buffer, NULL, 4); if (res != 4) { printf("Failed: ccn_name_chop got wrong length\n"); result = 1; } uri_out->length = 0; ccn_uri_append(uri_out, buffer->buf, buffer->length, CCN_URI_INCLUDESCHEME); if (0 != strcmp(ccn_charbuf_as_string(uri_out), expected_chopped_uri)) { printf("Failed: ccn_name_chop botch\n"); printf("Expected: %s\n", expected_chopped_uri); printf(" Actual: %s\n", (const char *)uri_out->buf); result = 1; } res = ccn_name_next_sibling(buffer); if (res != 4) { printf("Failed: ccn_name_next_sibling got wrong length\n"); result = 1; } uri_out->length = 0; ccn_uri_append(uri_out, buffer->buf, buffer->length, CCN_URI_INCLUDESCHEME); if (0 != strcmp(ccn_charbuf_as_string(uri_out), expected_bumped_uri)) { printf("Failed: ccn_name_next_sibling botch\n"); printf("Expected: %s\n", expected_bumped_uri); printf(" Actual: %s\n", (const char *)uri_out->buf); result = 1; } ccn_name_next_sibling(buffer); uri_out->length = 0; ccn_uri_append(uri_out, buffer->buf, buffer->length, CCN_URI_PERCENTESCAPE | CCN_URI_INCLUDESCHEME); if (0 != strcmp(ccn_charbuf_as_string(uri_out), expected_bumped2_uri)) { printf("Failed: ccn_name_next_sibling botch\n"); printf("Expected: %s\n", expected_bumped2_uri); printf(" Actual: %s\n", (const char *)uri_out->buf); result = 1; } ccn_charbuf_destroy(&buffer); ccn_charbuf_destroy(&uri_out); } while (0); do { const char *expected_uri_mixed = "ccnx:/example.com/.../%01/%FE/=0102030405060708/=FD101010101FFF/=0081"; printf("Unit test case %d\n", i++); buffer = ccn_charbuf_create(); uri_out = ccn_charbuf_create(); res = ccn_name_init(buffer); res |= ccn_name_append_str(buffer, "example.com"); res |= ccn_name_append_numeric(buffer, CCN_MARKER_NONE, 0); res |= ccn_name_append_numeric(buffer, CCN_MARKER_NONE, 1); res |= ccn_name_append_numeric(buffer, 0xFE, 0); res |= ccn_name_append_numeric(buffer, CCN_MARKER_NONE, 0x0102030405060708ULL); res |= ccn_name_append_numeric(buffer, CCN_MARKER_VERSION, 0x101010101FFFULL); res |= ccn_name_append_numeric(buffer, CCN_MARKER_SEQNUM, 129); res |= ccn_uri_append(uri_out, buffer->buf, buffer->length, CCN_URI_MIXEDESCAPE | CCN_URI_INCLUDESCHEME); if (res < 0) { printf("Failed: name marker tests had negative res\n"); result = 1; } if (0 != strcmp(ccn_charbuf_as_string(uri_out), expected_uri_mixed)) { printf("Failed: name marker tests produced wrong output\n"); printf("Expected: %s\n", expected_uri_mixed); printf(" Actual: %s\n", (const char *)uri_out->buf); result = 1; } ccn_charbuf_destroy(&buffer); ccn_charbuf_destroy(&uri_out); } while (0); printf("Empty component encoding test\n"); do { struct ccn_charbuf *name = ccn_charbuf_create(); struct ccn_charbuf *expected_encoding = ccn_charbuf_create(); /* manually create an encoding of <Name><Component/></Name> to ensure * that the regular encoders do not create a 0-length blob as part of * the empty component. */ ccnb_element_begin(expected_encoding, CCN_DTAG_Name); ccnb_element_begin(expected_encoding, CCN_DTAG_Component); ccnb_element_end(expected_encoding); ccnb_element_end(expected_encoding); ccn_name_from_uri(name, "ccnx:/..."); if (expected_encoding->length != name->length) { printf("Failed: encoding length %u but expected %u\n", (unsigned) name->length, (unsigned)expected_encoding->length); result = 1; } for (i = 0; i < expected_encoding->length; i++) { if (expected_encoding->buf[i] != name->buf[i]) { printf("Failed: encoding mismatch at %d, got %d but expected %d\n", i, name->buf[i], expected_encoding->buf[i]); result = 1; } } } while (0); printf("Timestamp tests\n"); do { intmax_t sec; int nsec; int r; int f; struct ccn_charbuf *a[2]; int t0 = 1363899678; printf("Unit test case %d\n", i++); /* Run many increasing inputs and make sure the output is in order. */ a[0] = ccn_charbuf_create(); a[1] = ccn_charbuf_create(); ccnb_append_timestamp_blob(a[1], CCN_MARKER_NONE, t0 - 1, 0); for (f = 0, nsec = 0, sec = t0; sec < t0 + 20; nsec += 122099) { while (nsec >= 1000000000) { sec++; nsec -= 1000000000; } ccn_charbuf_reset(a[f]); r = ccnb_append_timestamp_blob(a[f], CCN_MARKER_NONE, sec, nsec); if (r != 0 || a[f]->length != 7 || memcmp(a[1-f]->buf, a[f]->buf, 6) > 0) { printf("Failed ccnb_append_timestamp_blob(...,%jd,%d)\n", sec, nsec); result = 1; } f = 1 - f; } ccn_charbuf_destroy(&a[0]); ccn_charbuf_destroy(&a[1]); } while (0); printf("Message digest tests\n"); do { printf("Unit test case %d\n", i++); struct ccn_digest *dg = ccn_digest_create(CCN_DIGEST_SHA256); if (dg == NULL) { printf("Failed: ccn_digest_create returned NULL\n"); result = 1; break; } printf("Unit test case %d\n", i++); const unsigned char expected_digest[] = { 0xb3, 0x82, 0xcd, 0xb0, 0xe9, 0x5d, 0xf7, 0x3b, 0xe7, 0xdc, 0x19, 0x81, 0x3a, 0xfd, 0xdf, 0x89, 0xfb, 0xd4, 0xd4, 0xa0, 0xdb, 0x11, 0xa6, 0xba, 0x24, 0x16, 0x5b, 0xad, 0x9d, 0x90, 0x72, 0xb0 }; unsigned char actual_digest[sizeof(expected_digest)] = {0}; const char *data = "Content-centric"; if (ccn_digest_size(dg) != sizeof(expected_digest)) { printf("Failed: wrong digest size\n"); result = 1; break; } printf("Unit test case %d\n", i++); ccn_digest_init(dg); res = ccn_digest_update(dg, data, strlen(data)); if (res != 0) printf("Warning: check res %d\n", (int)res); printf("Unit test case %d\n", i++); res = ccn_digest_final(dg, actual_digest, sizeof(expected_digest)); if (res != 0) printf("Warning: check res %d\n", (int)res); if (0 != memcmp(actual_digest, expected_digest, sizeof(expected_digest))) { printf("Failed: wrong digest\n"); result = 1; break; } } while (0); printf("Really basic PRNG test\n"); do { unsigned char r1[42]; unsigned char r2[42]; printf("Unit test case %d\n", i++); ccn_add_entropy(&i, sizeof(i), 0); /* Not much entropy, really. */ ccn_random_bytes(r1, sizeof(r1)); memcpy(r2, r1, sizeof(r2)); ccn_random_bytes(r2, sizeof(r2)); if (0 == memcmp(r1, r2, sizeof(r2))) { printf("Failed: badly broken PRNG\n"); result = 1; break; } } while (0); printf("Bloom filter tests\n"); do { unsigned char seed1[4] = "1492"; const char *a[13] = { "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten", "eleven", "twelve", "thirteen" }; struct ccn_bloom *b1 = NULL; struct ccn_bloom *b2 = NULL; int j, k, t1, t2; unsigned short us; printf("Unit test case %d\n", i++); b1 = ccn_bloom_create(13, seed1); for (j = 0; j < 13; j++) if (ccn_bloom_match(b1, a[j], strlen(a[j]))) break; if (j < 13) { printf("Failed: \"%s\" matched empty Bloom filter\n", a[j]); result = 1; break; } printf("Unit test case %d\n", i++); for (j = 0; j < 13; j++) ccn_bloom_insert(b1, a[j], strlen(a[j])); for (j = 0; j < 13; j++) if (!ccn_bloom_match(b1, a[j], strlen(a[j]))) break; if (j < 13) { printf("Failed: \"%s\" not found when it should have been\n", a[j]); result = 1; break; } printf("Unit test case %d\n", i++); for (j = 0, k = 0; j < 13; j++) if (ccn_bloom_match(b1, a[j]+1, strlen(a[j]+1))) k++; if (k > 0) { printf("Mmm, found %d false positives\n", k); if (k > 2) { result = 1; break; } } unsigned char seed2[5] = "aqfb\0"; for (; seed2[3] <= 'f'; seed2[3]++) { printf("Unit test case %d (%4s) ", i++, seed2); b2 = ccn_bloom_create(13, seed2); for (j = 0; j < 13; j++) ccn_bloom_insert(b2, a[j], strlen(a[j])); for (j = 0, k = 0, us = ~0; us > 0; us--) { t1 = ccn_bloom_match(b1, &us, sizeof(us)); t2 = ccn_bloom_match(b2, &us, sizeof(us)); j += (t1 | t2); k += (t1 & t2); } printf("either=%d both=%d wiresize=%d\n", j, k, ccn_bloom_wiresize(b1)); if (k > 12) { printf("Failed: Bloom seeding may not be effective\n"); result = 1; } ccn_bloom_destroy(&b2); } ccn_bloom_destroy(&b1); } while (0); printf("ccn_sign_content() tests\n"); do { struct ccn *h = ccn_create(); int res; res = unit_tests_for_signing(h, &i, 0); if (res == 1) result = 1; printf("Unit test case %d\n", i++); ccn_destroy(&h); } while (0); do { struct ccn *h = ccn_create(); int res; res = ccn_load_default_key(h, aes_keystore_name, keystore_password); if (res < 0) { result = 1; printf("Failed: res == %d\n", (int)res); } else res = unit_tests_for_signing(h, &i, 1); if (res == 1) result = 1; printf("Unit test case %d\n", i++); ccn_destroy(&h); } while (0); printf("link tests\n"); printf("link tests\n"); do { struct ccn_charbuf *l = ccn_charbuf_create(); struct ccn_charbuf *name = ccn_charbuf_create(); struct ccn_parsed_Link pl = {0}; struct ccn_buf_decoder decoder; struct ccn_buf_decoder *d; struct ccn_indexbuf *comps = ccn_indexbuf_create(); printf("Unit test case %d\n", i++); ccn_name_from_uri(name, "ccnx:/test/link/name"); ccnb_append_Link(l, name, "label", NULL); d = ccn_buf_decoder_start(&decoder, l->buf, l->length); res = ccn_parse_Link(d, &pl, comps); if (res != 3 /* components in name */) { printf("Failed: ccn_parse_Link res == %d\n", (int)res); result = 1; } } while (0); exit(result); }
int main (int argc, char *argv[]) { struct ccn_charbuf *buffer = ccn_charbuf_create(); struct ccn_charbuf *signed_info = ccn_charbuf_create(); struct ccn_skeleton_decoder dd = {0}; ssize_t res; char *outname = NULL; int fd; int result = 0; char * contents[] = {"INVITE sip:[email protected] SIP/2.0\nVia: SIP/2.0/UDP 127.0.0.1:5060;rport;branch=z9hG4bK519044721\nFrom: <sip:[email protected]>;tag=2105643453\nTo: Test User <sip:[email protected]>\nCall-ID: [email protected]\nCSeq: 20 INVITE\nContact: <sip:[email protected]:5060>\nMax-Forwards: 70\nUser-Agent: Linphone-1.7.1/eXosip\nSubject: Phone call\nExpires: 120\nAllow: INVITE, ACK, CANCEL, BYE, OPTIONS, REFER, SUBSCRIBE, NOTIFY, MESSAGE\nContent-Type: application/sdp\nContent-Length: 448\n\nv=0\no=jthornto 123456 654321 IN IP4 127.0.0.1\ns=A conversation\nc=IN IP4 127.0.0.1\nt=0 0\nm=audio 7078 RTP/AVP 111 110 0 3 8 101\na=rtpmap:111 speex/16000/1\na=rtpmap:110 speex/8000/1\na=rtpmap:0 PCMU/8000/1\na=rtpmap:3 GSM/8000/1\na=rtpmap:8 PCMA/8000/1\na=rtpmap:101 telephone-event/8000\na=fmtp:101 0-11\nm=video 9078 RTP/AVP 97 98 99\na=rtpmap:97 theora/90000\na=rtpmap:98 H263-1998/90000\na=fmtp:98 CIF=1;QCIF=1\na=rtpmap:99 MP4V-ES/90000\n", "Quaer #%2d zjduer badone", "", NULL}; char * paths[] = { "/sip/protocol/parc.com/domain/foo/principal/invite/verb/[email protected]/id", "/d/e/f", "/zero/length/content", NULL}; struct path * cur_path = NULL; struct ccn_keystore *keystore = ccn_keystore_create(); char *home = getenv("HOME"); char *keystore_suffix = "/.ccnx/.ccnx_keystore"; char *keystore_name = NULL; int i; if (argc == 3 && strcmp(argv[1], "-o") == 0) { outname = argv[2]; } else { printf("Usage: %s -o <outfilename>\n", argv[0]); exit(1); } if (home == NULL) { printf("Unable to determine home directory for keystore\n"); exit(1); } keystore_name = calloc(1, strlen(home) + strlen(keystore_suffix) + 1); strcat(keystore_name, home); strcat(keystore_name, keystore_suffix); if (0 != ccn_keystore_init(keystore, keystore_name, "Th1s1sn0t8g00dp8ssw0rd.")) { printf("Failed to initialize keystore\n"); exit(1); } printf("Creating signed_info\n"); res = ccn_signed_info_create(signed_info, /*pubkeyid*/ccn_keystore_public_key_digest(keystore), /*publisher_key_id_size*/ccn_keystore_public_key_digest_length(keystore), /*datetime*/NULL, /*type*/CCN_CONTENT_GONE, /*freshness*/ 42, /*finalblockid*/NULL, /*keylocator*/NULL); if (res < 0) { printf("Failed to create signed_info!\n"); } res = ccn_skeleton_decode(&dd, signed_info->buf, signed_info->length); if (!(res == signed_info->length && dd.state == 0)) { printf("Failed to decode signed_info! Result %d State %d\n", (int)res, dd.state); result = 1; } memset(&dd, 0, sizeof(dd)); printf("Done with signed_info\n"); printf("Encoding sample message data length %d\n", (int)strlen(contents[0])); cur_path = path_create(paths[0]); if (encode_message(buffer, cur_path, contents[0], strlen(contents[0]), signed_info, ccn_keystore_private_key(keystore))) { printf("Failed to encode message!\n"); } else { printf("Encoded sample message length is %d\n", (int)buffer->length); res = ccn_skeleton_decode(&dd, buffer->buf, buffer->length); if (!(res == buffer->length && dd.state == 0)) { printf("Failed to decode! Result %d State %d\n", (int)res, dd.state); result = 1; } if (outname != NULL) { fd = open(outname, O_WRONLY|O_CREAT|O_TRUNC, S_IRWXU); if (fd == -1) perror(outname); res = write(fd, buffer->buf, buffer->length); close(fd); } if (decode_message(buffer, cur_path, contents[0], strlen(contents[0]), ccn_keystore_public_key(keystore)) != 0) { result = 1; } printf("Expect signature verification failure: "); if (buffer->length >= 20) buffer->buf[buffer->length - 20] += 1; if (decode_message(buffer, cur_path, contents[0], strlen(contents[0]), ccn_keystore_public_key(keystore)) == 0) { result = 1; } } path_destroy(&cur_path); ccn_charbuf_destroy(&buffer); printf("Done with sample message\n"); /* Now exercise as unit tests */ for (i = 0; paths[i] != NULL && contents[i] != NULL; i++) { printf("Unit test case %d\n", i); cur_path = path_create(paths[i]); buffer = ccn_charbuf_create(); if (encode_message(buffer, cur_path, contents[i], strlen(contents[i]), signed_info, ccn_keystore_private_key(keystore))) { printf("Failed encode\n"); result = 1; } else if (decode_message(buffer, cur_path, contents[i], strlen(contents[i]), ccn_keystore_public_key(keystore))) { printf("Failed decode\n"); result = 1; } path_destroy(&cur_path); ccn_charbuf_destroy(&buffer); } /* Test the uri encode / decode routines */ init_all_chars_percent_encoded(); const char *uri_tests[] = { "_+4", "ccnx:/this/is/a/test", "", "ccnx:/this/is/a/test", ".+4", "../test2?x=2", "?x=2", "ccnx:/this/is/a/test2", "_-X", "../should/error", "", "", "_+2", "/missing/scheme", "", "ccnx:/missing/scheme", ".+0", "../../../../../././#/", "#/", "ccnx:/", ".+1", all_chars_percent_encoded, "", all_chars_percent_encoded_canon, "_+1", all_chars_percent_encoded_canon, "", all_chars_percent_encoded_canon, ".+4", "ccnx:/.../.%2e./...././.....///?...", "?...", "ccnx:/.../.../..../.....", "_-X", "/%3G?bad-pecent-encode", "", "", "_-X", "/%3?bad-percent-encode", "", "", "_-X", "/%#bad-percent-encode", "", "", "_+3", "ccnx://[email protected]:42/ignore/host/part of uri", "", "ccnx:/ignore/host/part%20of%20uri", NULL, NULL, NULL, NULL }; const char **u; struct ccn_charbuf *uri_out = ccn_charbuf_create(); buffer = ccn_charbuf_create(); for (u = uri_tests; *u != NULL; u += 4, i++) { printf("Unit test case %d\n", i); if (u[0][0] != '.') buffer->length = 0; res = ccn_name_from_uri(buffer, u[1]); if (!expected_res(res, u[0][1])) { printf("Failed: ccn_name_from_uri wrong res %d\n", (int)res); result = 1; } if (res >= 0) { if (res > strlen(u[1])) { printf("Failed: ccn_name_from_uri long res %d\n", (int)res); result = 1; } else if (0 != strcmp(u[1] + res, u[2])) { printf("Failed: ccn_name_from_uri expecting leftover '%s', got '%s'\n", u[2], u[1] + res); result = 1; } uri_out->length = 0; res = ccn_uri_append(uri_out, buffer->buf, buffer->length, 1); if (!expected_res(res, u[0][2])) { printf("Failed: ccn_uri_append wrong res %d\n", (int)res); result = 1; } if (res >= 0) { if (uri_out->length != strlen(u[3])) { printf("Failed: ccn_uri_append produced wrong number of characters\n"); result = 1; } ccn_charbuf_reserve(uri_out, 1)[0] = 0; if (0 != strcmp((const char *)uri_out->buf, u[3])) { printf("Failed: ccn_uri_append produced wrong output\n"); printf("Expected: %s\n", u[3]); printf(" Actual: %s\n", (const char *)uri_out->buf); result = 1; } } } } ccn_charbuf_destroy(&buffer); ccn_charbuf_destroy(&uri_out); printf("Name marker tests\n"); do { const char *expected_uri = "ccnx:/example.com/.../%01/%FE/%01%02%03%04%05%06%07%08/%FD%10%10%10%10%1F%FF/%00%81"; const char *expected_chopped_uri = "ccnx:/example.com/.../%01/%FE"; const char *expected_bumped_uri = "ccnx:/example.com/.../%01/%FF"; const char *expected_bumped2_uri = "ccnx:/example.com/.../%01/%00%00"; printf("Unit test case %d\n", i++); buffer = ccn_charbuf_create(); uri_out = ccn_charbuf_create(); res = ccn_name_init(buffer); res |= ccn_name_append_str(buffer, "example.com"); res |= ccn_name_append_numeric(buffer, CCN_MARKER_NONE, 0); res |= ccn_name_append_numeric(buffer, CCN_MARKER_NONE, 1); res |= ccn_name_append_numeric(buffer, 0xFE, 0); res |= ccn_name_append_numeric(buffer, CCN_MARKER_NONE, 0x0102030405060708ULL); res |= ccn_name_append_numeric(buffer, CCN_MARKER_VERSION, 0x101010101FFFULL); res |= ccn_name_append_numeric(buffer, CCN_MARKER_SEQNUM, 129); res |= ccn_uri_append(uri_out, buffer->buf, buffer->length, 1); if (res < 0) { printf("Failed: name marker tests had negative res\n"); result = 1; } if (0 != strcmp(ccn_charbuf_as_string(uri_out), expected_uri)) { printf("Failed: name marker tests produced wrong output\n"); printf("Expected: %s\n", expected_uri); printf(" Actual: %s\n", (const char *)uri_out->buf); result = 1; } res = ccn_name_chop(buffer, NULL, 100); if (res != -1) { printf("Failed: ccn_name_chop did not produce error \n"); result = 1; } res = ccn_name_chop(buffer, NULL, 4); if (res != 4) { printf("Failed: ccn_name_chop got wrong length\n"); result = 1; } uri_out->length = 0; ccn_uri_append(uri_out, buffer->buf, buffer->length, 1); if (0 != strcmp(ccn_charbuf_as_string(uri_out), expected_chopped_uri)) { printf("Failed: ccn_name_chop botch\n"); printf("Expected: %s\n", expected_chopped_uri); printf(" Actual: %s\n", (const char *)uri_out->buf); result = 1; } res = ccn_name_next_sibling(buffer); if (res != 4) { printf("Failed: ccn_name_next_sibling got wrong length\n"); result = 1; } uri_out->length = 0; ccn_uri_append(uri_out, buffer->buf, buffer->length, 1); if (0 != strcmp(ccn_charbuf_as_string(uri_out), expected_bumped_uri)) { printf("Failed: ccn_name_next_sibling botch\n"); printf("Expected: %s\n", expected_bumped_uri); printf(" Actual: %s\n", (const char *)uri_out->buf); result = 1; } ccn_name_next_sibling(buffer); uri_out->length = 0; ccn_uri_append(uri_out, buffer->buf, buffer->length, 1); if (0 != strcmp(ccn_charbuf_as_string(uri_out), expected_bumped2_uri)) { printf("Failed: ccn_name_next_sibling botch\n"); printf("Expected: %s\n", expected_bumped2_uri); printf(" Actual: %s\n", (const char *)uri_out->buf); result = 1; } ccn_charbuf_destroy(&buffer); ccn_charbuf_destroy(&uri_out); } while (0); printf("Message digest tests\n"); do { printf("Unit test case %d\n", i++); struct ccn_digest *dg = ccn_digest_create(CCN_DIGEST_SHA256); if (dg == NULL) { printf("Failed: ccn_digest_create returned NULL\n"); result = 1; break; } printf("Unit test case %d\n", i++); const unsigned char expected_digest[] = { 0xb3, 0x82, 0xcd, 0xb0, 0xe9, 0x5d, 0xf7, 0x3b, 0xe7, 0xdc, 0x19, 0x81, 0x3a, 0xfd, 0xdf, 0x89, 0xfb, 0xd4, 0xd4, 0xa0, 0xdb, 0x11, 0xa6, 0xba, 0x24, 0x16, 0x5b, 0xad, 0x9d, 0x90, 0x72, 0xb0 }; unsigned char actual_digest[sizeof(expected_digest)] = {0}; const char *data = "Content-centric"; if (ccn_digest_size(dg) != sizeof(expected_digest)) { printf("Failed: wrong digest size\n"); result = 1; break; } printf("Unit test case %d\n", i++); ccn_digest_init(dg); res = ccn_digest_update(dg, data, strlen(data)); if (res != 0) printf("Warning: check res %d\n", (int)res); printf("Unit test case %d\n", i++); res = ccn_digest_final(dg, actual_digest, sizeof(expected_digest)); if (res != 0) printf("Warning: check res %d\n", (int)res); if (0 != memcmp(actual_digest, expected_digest, sizeof(expected_digest))) { printf("Failed: wrong digest\n"); result = 1; break; } } while (0); printf("Really basic PRNG test\n"); do { unsigned char r1[42]; unsigned char r2[42]; printf("Unit test case %d\n", i++); ccn_add_entropy(&i, sizeof(i), 0); /* Not much entropy, really. */ ccn_random_bytes(r1, sizeof(r1)); memcpy(r2, r1, sizeof(r2)); ccn_random_bytes(r2, sizeof(r2)); if (0 == memcmp(r1, r2, sizeof(r2))) { printf("Failed: badly broken PRNG\n"); result = 1; break; } } while (0); printf("Bloom filter tests\n"); do { unsigned char seed1[4] = "1492"; const char *a[13] = { "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten", "eleven", "twelve", "thirteen" }; struct ccn_bloom *b1 = NULL; struct ccn_bloom *b2 = NULL; int j, k, t1, t2; unsigned short us; printf("Unit test case %d\n", i++); b1 = ccn_bloom_create(13, seed1); for (j = 0; j < 13; j++) if (ccn_bloom_match(b1, a[j], strlen(a[j]))) break; if (j < 13) { printf("Failed: \"%s\" matched empty Bloom filter\n", a[j]); result = 1; break; } printf("Unit test case %d\n", i++); for (j = 0; j < 13; j++) ccn_bloom_insert(b1, a[j], strlen(a[j])); for (j = 0; j < 13; j++) if (!ccn_bloom_match(b1, a[j], strlen(a[j]))) break; if (j < 13) { printf("Failed: \"%s\" not found when it should have been\n", a[j]); result = 1; break; } printf("Unit test case %d\n", i++); for (j = 0, k = 0; j < 13; j++) if (ccn_bloom_match(b1, a[j]+1, strlen(a[j]+1))) k++; if (k > 0) { printf("Mmm, found %d false positives\n", k); if (k > 2) { result = 1; break; } } unsigned char seed2[5] = "aqfb\0"; for (; seed2[3] <= 'f'; seed2[3]++) { printf("Unit test case %d (%4s) ", i++, seed2); b2 = ccn_bloom_create(13, seed2); for (j = 0; j < 13; j++) ccn_bloom_insert(b2, a[j], strlen(a[j])); for (j = 0, k = 0, us = ~0; us > 0; us--) { t1 = ccn_bloom_match(b1, &us, sizeof(us)); t2 = ccn_bloom_match(b2, &us, sizeof(us)); j += (t1 | t2); k += (t1 & t2); } printf("either=%d both=%d wiresize=%d\n", j, k, ccn_bloom_wiresize(b1)); if (k > 12) { printf("Failed: Bloom seeding may not be effective\n"); result = 1; } ccn_bloom_destroy(&b2); } ccn_bloom_destroy(&b1); } while (0); printf("ccn_sign_content() tests\n"); do { struct ccn *h = ccn_create(); struct ccn_charbuf *co = ccn_charbuf_create(); struct ccn_signing_params sparm = CCN_SIGNING_PARAMS_INIT; struct ccn_parsed_ContentObject pco = {0}; struct ccn_charbuf *name = ccn_charbuf_create(); printf("Unit test case %d\n", i++); ccn_name_from_uri(name, "ccnx:/test/data/%00%42"); res = ccn_sign_content(h, co, name, NULL, "DATA", 4); if (res != 0) { printf("Failed: res == %d\n", (int)res); result = 1; } sparm.template_ccnb = ccn_charbuf_create(); res = ccn_parse_ContentObject(co->buf, co->length, &pco, NULL); if (res != 0) { printf("Failed: ccn_parse_ContentObject res == %d\n", (int)res); result = 1; break; } ccn_charbuf_append(sparm.template_ccnb, co->buf + pco.offset[CCN_PCO_B_SignedInfo], pco.offset[CCN_PCO_E_SignedInfo] - pco.offset[CCN_PCO_B_SignedInfo]); sparm.sp_flags = CCN_SP_TEMPL_TIMESTAMP; printf("Unit test case %d\n", i++); res = ccn_sign_content(h, co, name, &sparm, "DATA", 4); if (res != 0) { printf("Failed: res == %d\n", (int)res); result = 1; } printf("Unit test case %d\n", i++); sparm.sp_flags = -1; res = ccn_sign_content(h, co, name, &sparm, "DATA", 4); if (res != -1) { printf("Failed: res == %d\n", (int)res); result = 1; } ccn_charbuf_destroy(&name); ccn_charbuf_destroy(&sparm.template_ccnb); ccn_charbuf_destroy(&co); ccn_destroy(&h); } while (0); printf("link tests\n"); do { struct ccn_charbuf *l = ccn_charbuf_create(); struct ccn_charbuf *name = ccn_charbuf_create(); struct ccn_parsed_Link pl = {0}; struct ccn_buf_decoder decoder; struct ccn_buf_decoder *d; struct ccn_indexbuf *comps = ccn_indexbuf_create(); printf("Unit test case %d\n", i++); ccn_name_from_uri(name, "ccnx:/test/link/name"); ccnb_append_Link(l, name, "label", NULL); d = ccn_buf_decoder_start(&decoder, l->buf, l->length); res = ccn_parse_Link(d, &pl, comps); if (res != 3 /* components in name */) { printf("Failed: ccn_parse_Link res == %d\n", (int)res); result = 1; } } while (0); exit(result); }
/** * Load a link to the repo policy from the repoPolicy file and load the link * target to extract the actual policy. * If a policy file does not exist a new one is created, with a link to a policy * based either on the environment variable CCNR_GLOBAL_PREFIX or the system * default value of ccnx:/parc.com/csl/ccn/Repos, plus the system defaults for * other fields. * This routine must be called after the btree code is initialized and capable * of returning content objects. * Sets the parsed_policy field of the handle to be the new policy. */ static int load_policy(struct ccnr_handle *ccnr) { int fd; ssize_t res; struct content_entry *content = NULL; const unsigned char *content_msg = NULL; struct ccn_parsed_ContentObject pco = {0}; struct ccn_parsed_Link pl = {0}; struct ccn_indexbuf *nc = NULL; struct ccn_charbuf *basename = NULL; struct ccn_charbuf *policy = NULL; struct ccn_charbuf *policy_cob = NULL; struct ccn_charbuf *policyFileName; const char *global_prefix; const unsigned char *buf = NULL; size_t length = 0; int segment = 0; int final = 0; struct ccn_buf_decoder decoder; struct ccn_buf_decoder *d; policyFileName = ccn_charbuf_create(); ccn_charbuf_putf(policyFileName, "%s/repoPolicy", ccnr->directory); ccnr->parsed_policy = ccnr_parsed_policy_create(); fd = open(ccn_charbuf_as_string(policyFileName), O_RDONLY); if (fd >= 0) { ccnr->policy_link_cob = ccn_charbuf_create(); ccn_charbuf_reserve(ccnr->policy_link_cob, 4096); // limits the size of the policy link ccnr->policy_link_cob->length = 0; // clear the buffer res = read(fd, ccnr->policy_link_cob->buf, ccnr->policy_link_cob->limit - ccnr->policy_link_cob->length); close(fd); if (res == -1) { r_init_fail(ccnr, __LINE__, "Error reading repoPolicy file.", errno); ccn_charbuf_destroy(&ccnr->policy_link_cob); ccn_charbuf_destroy(&policyFileName); return(-1); } ccnr->policy_link_cob->length = res; nc = ccn_indexbuf_create(); res = ccn_parse_ContentObject(ccnr->policy_link_cob->buf, ccnr->policy_link_cob->length, &pco, nc); res = ccn_ref_tagged_BLOB(CCN_DTAG_Content, ccnr->policy_link_cob->buf, pco.offset[CCN_PCO_B_Content], pco.offset[CCN_PCO_E_Content], &buf, &length); d = ccn_buf_decoder_start(&decoder, buf, length); res = ccn_parse_Link(d, &pl, NULL); if (res <= 0) { ccnr_msg(ccnr, "Policy link is malformed."); goto CreateNewPolicy; } basename = ccn_charbuf_create(); ccn_charbuf_append(basename, buf + pl.offset[CCN_PL_B_Name], pl.offset[CCN_PL_E_Name] - pl.offset[CCN_PL_B_Name]); ccnr->policy_name = ccn_charbuf_create(); // to detect writes to this name ccn_charbuf_append_charbuf(ccnr->policy_name, basename); // has version ccn_name_chop(ccnr->policy_name, NULL, -1); // get rid of version policy = ccn_charbuf_create(); // if we fail to retrieve the link target, report and then create a new one do { ccn_name_append_numeric(basename, CCN_MARKER_SEQNUM, segment++); content = r_store_lookup_ccnb(ccnr, basename->buf, basename->length); if (content == NULL) { ccnr_debug_ccnb(ccnr, __LINE__, "policy lookup failed for", NULL, basename->buf, basename->length); break; } ccn_name_chop(basename, NULL, -1); content_msg = r_store_content_base(ccnr, content); if (content_msg == NULL) { ccnr_debug_ccnb(ccnr, __LINE__, "Unable to read policy object", NULL, basename->buf, basename->length); break; } res = ccn_parse_ContentObject(content_msg, r_store_content_size(ccnr, content), &pco, nc); res = ccn_ref_tagged_BLOB(CCN_DTAG_Content, content_msg, pco.offset[CCN_PCO_B_Content], pco.offset[CCN_PCO_E_Content], &buf, &length); ccn_charbuf_append(policy, buf, length); final = ccn_is_final_pco(content_msg, &pco, nc); } while (!final && segment < 100);
/** * Convert a ccnx-scheme URI to a ccnb-encoded Name. * The converted result is placed in c. * On input, c may contain a base name, in which case relative URIs are allowed. * Otherwise c should start out empty, and the URI must be absolute. * @returns -1 if an error is found, otherwise returns the number of characters * that were processed. */ int ccn_name_from_uri(struct ccn_charbuf *c, const char *uri) { int res = 0; struct ccn_charbuf *compbuf = NULL; const char *stop = uri + strlen(uri); const char *s = uri; size_t cont = 0; compbuf = ccn_charbuf_create(); if (compbuf == NULL) return(-1); if (s[0] != '/') { res = ccn_append_uri_component(compbuf, s, stop - s, &cont); if (res < -2) goto Done; ccn_charbuf_reserve(compbuf, 1)[0] = 0; if ((0 == strcasecmp((const char *)(compbuf->buf), "ccnx:") || 0 == strcasecmp((const char *)(compbuf->buf), "ccn:")) && s[cont-1] == ':') { s += cont; cont = 0; } /// @bug XXX - need to error out on other uri schemes } if (s[0] == '/') { ccn_name_init(c); if (s[1] == '/') { /* Skip over hostname part - not used in ccnx scheme */ s += 2; compbuf->length = 0; res = ccn_append_uri_component(compbuf, s, stop - s, &cont); if (res < 0 && res != -2) goto Done; s += cont; cont = 0; } } while (s[0] != 0 && s[0] != '?' && s[0] != '#') { if (s[0] == '/') s++; compbuf->length = 0; res = ccn_append_uri_component(compbuf, s, stop - s, &cont); s += cont; cont = 0; if (res < -2) goto Done; if (res == -2) { res = 0; /* process . or equiv in URI */ continue; } if (res == -1) { /* process .. in URI - discard last name component */ res = ccn_name_last_component_offset(c->buf, c->length); if (res < 0) goto Done; c->length = res; ccn_charbuf_append_closer(c); continue; } res = ccn_name_append(c, compbuf->buf, compbuf->length); if (res < 0) goto Done; } Done: ccn_charbuf_destroy(&compbuf); if (res < 0) return(-1); if (c->length < 2 || c->buf[c->length-1] != CCN_CLOSE) return(-1); return(s - uri); }