struct ndn_charbuf *make_template(int allow_caching) {
if (NDN_API_VERSION >= 8000 && !allow_caching) {
struct ndn_charbuf *templ = ndn_charbuf_create();
ndn_charbuf_append_tt(templ, NDN_DTAG_Interest, NDN_DTAG);
ndn_charbuf_append_tt(templ, NDN_DTAG_Name, NDN_DTAG);
ndn_charbuf_append_closer(templ); // </Name>
ndn_charbuf_append_tt(templ, NDN_DTAG_AnswerOriginKind, NDN_DTAG);
ndnb_append_number(templ, NDN_AOK_NEW);
ndn_charbuf_append_closer(templ); // </AnswerOriginKind>
ndn_charbuf_append_closer(templ); // </Interest>
return(templ);
}
return NULL;
}
PyObject *
_pyndn_cmd_KeyLocator_to_ndn(PyObject *UNUSED(self), PyObject *args,
PyObject *kwds)
{
static char *kwlist[] = {"name", "digest", "key", "cert", NULL};
PyObject *py_name = Py_None, *py_digest = Py_None, *py_key = Py_None,
*py_cert = Py_None;
struct ndn_charbuf *keylocator;
int r;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|OOOO", kwlist, &py_name,
&py_digest, &py_key, &py_cert))
return NULL;
keylocator = ndn_charbuf_create();
JUMP_IF_NULL_MEM(keylocator, error);
r = ndn_charbuf_append_tt(keylocator, NDN_DTAG_KeyLocator, NDN_DTAG);
JUMP_IF_NEG_MEM(r, error);
if (py_name != Py_None) {
//TODO: add digest as well
r = KeyLocator_name_to_ndn(keylocator, py_name);
JUMP_IF_NEG(r, error);
} else if (py_key != Py_None) {
r = KeyLocator_key_to_ndn(keylocator, py_key);
JUMP_IF_NEG(r, error);
} else if (py_cert != Py_None) {
#if 0
ndn_charbuf_append_tt(keylocator, NDN_DTAG_Certificate, NDN_DTAG);
// TODO: How to handle certificate? ** Not supported here
ndn_charbuf_append_closer(keylocator); /* </Certificate> */
#endif
PyErr_SetString(PyExc_NotImplementedError, "Certificate key locator is"
" not implemented");
goto error;
}
r = ndn_charbuf_append_closer(keylocator); /* </KeyLocator> */
JUMP_IF_NEG_MEM(r, error);
return NDNObject_New(KEY_LOCATOR, keylocator);
error:
ndn_charbuf_destroy(&keylocator);
return NULL;
}
static int
KeyLocator_name_to_ndn(struct ndn_charbuf *keylocator, PyObject *py_name)
{
struct ndn_charbuf *name;
int r;
if (!NDNObject_IsValid(NAME, py_name)) {
PyErr_SetString(PyExc_TypeError, "Argument needs to be of type NDN Name");
return -1;
}
name = NDNObject_Get(NAME, py_name);
r = ndn_charbuf_append_tt(keylocator, NDN_DTAG_KeyName, NDN_DTAG);
JUMP_IF_NEG_MEM(r, error);
// Looks like name already has all necessary tags
// r = ndnb_append_tagged_blob(keylocator, NDN_DTAG_Name, name->buf, name->length); // check
r = ndn_charbuf_append_charbuf(keylocator, name);
JUMP_IF_NEG_MEM(r, error);
r = ndn_charbuf_append_closer(keylocator); /* </KeyName> */
JUMP_IF_NEG_MEM(r, error);
r = 0;
error:
return r;
}
static int
KeyLocator_key_to_ndn(struct ndn_charbuf *keylocator, PyObject *py_key)
{
struct ndn_pkey *key;
int r;
if (!NDNObject_IsValid(PKEY_PUB, py_key)) {
PyErr_SetString(PyExc_TypeError, "Argument needs to be of type NDN Key");
return -1;
}
key = NDNObject_Get(PKEY_PUB, py_key);
r = ndn_charbuf_append_tt(keylocator, NDN_DTAG_Key, NDN_DTAG);
JUMP_IF_NEG_MEM(r, error);
r = ndn_append_pubkey_blob(keylocator, key);
JUMP_IF_NEG_MEM(r, error);
r = ndn_charbuf_append_closer(keylocator); /* </Key> */
JUMP_IF_NEG_MEM(r, error);
r = 0;
error:
return r;
}
/*
* Append Scope=0 to partially constructed Interest, meaning
* to address only the local ndnd.
*/
static void
local_scope(struct ndn_charbuf *templ)
{
ndn_charbuf_append_tt(templ, NDN_DTAG_Scope, NDN_DTAG);
ndn_charbuf_append_tt(templ, 1, NDN_UDATA);
ndn_charbuf_append(templ, "0", 1);
ndn_charbuf_append_closer(templ); /* </Scope> */
}
int
build_keylocator_from_key(struct ndn_charbuf** keylocator, struct ndn_pkey* key)
{
int res = 0;
*keylocator = ndn_charbuf_create();
ndn_charbuf_append_tt(*keylocator, NDN_DTAG_KeyLocator, NDN_DTAG);
ndn_charbuf_append_tt(*keylocator, NDN_DTAG_Key, NDN_DTAG);
res = ndn_append_pubkey_blob(*keylocator, key);
ndn_charbuf_append_closer(*keylocator); /* </Key> */
ndn_charbuf_append_closer(*keylocator); /* </KeyLocator> */
return(res);
}
/**
* Append AnswerOriginKind=1 to partially constructed Interest, meaning
* do not generate new content.
*/
static void
answer_passive(struct ndn_charbuf *templ)
{
ndn_charbuf_append_tt(templ, NDN_DTAG_AnswerOriginKind, NDN_DTAG);
ndn_charbuf_append_tt(templ, 1, NDN_UDATA);
ndn_charbuf_append(templ, "1", 1);
ndn_charbuf_append_closer(templ); /* </AnswerOriginKind> */
}
/*
* Construct and send a new interest that uses the exclusion list.
* Return -1 if not sent because of packet size, 0 for success.
*/
static int
express_my_interest(struct ndn *h,
struct ndn_closure *selfp,
struct ndn_charbuf *name)
{
int ans;
struct ndn_charbuf *templ = NULL;
int i;
struct ndn_traversal *data = get_my_data(selfp);
templ = ndn_charbuf_create();
ndn_charbuf_append_tt(templ, NDN_DTAG_Interest, NDN_DTAG);
ndn_charbuf_append_tt(templ, NDN_DTAG_Name, NDN_DTAG);
ndn_charbuf_append_closer(templ); /* </Name> */
if (data->n_excl != 0) {
ndn_charbuf_append_tt(templ, NDN_DTAG_Exclude, NDN_DTAG);
if ((data->flags & EXCLUDE_LOW) != 0)
append_Any_filter(templ);
for (i = 0; i < data->n_excl; i++) {
struct ndn_charbuf *comp = data->excl[i];
if (comp->length < 4) abort();
ndn_charbuf_append(templ, comp->buf + 1, comp->length - 2);
}
if ((data->flags & EXCLUDE_HIGH) != 0)
append_Any_filter(templ);
ndn_charbuf_append_closer(templ); /* </Exclude> */
}
answer_passive(templ, (data->flags & ALLOW_STALE) != 0);
if ((data->flags & LOCAL_SCOPE) != 0)
local_scope(templ);
ndn_charbuf_append_closer(templ); /* </Interest> */
if (templ->length + name->length > data->warn + 2) {
fprintf(stderr, "*** Interest packet is %d bytes\n", (int)templ->length);
data->warn = data->warn * 8 / 5;
}
if (templ->length + name->length > 1450 && data->n_excl > 3)
ans = -1;
else {
ndn_express_interest(h, name, selfp, templ);
ans = 0;
}
ndn_charbuf_destroy(&templ);
return(ans);
}
/**
* Construct a template suitable for use with ndn_express_interest
* indicating at least one suffix component, and stale data if so
* requested.
*/
struct ndn_charbuf *
make_template(struct mydata *md, struct ndn_upcall_info *info)
{
struct ndn_charbuf *templ = ndn_charbuf_create();
ndn_charbuf_append_tt(templ, NDN_DTAG_Interest, NDN_DTAG);
ndn_charbuf_append_tt(templ, NDN_DTAG_Name, NDN_DTAG);
ndn_charbuf_append_closer(templ); /* </Name> */
// XXX - use pubid if possible
ndn_charbuf_append_tt(templ, NDN_DTAG_MinSuffixComponents, NDN_DTAG);
ndnb_append_number(templ, 1);
ndn_charbuf_append_closer(templ); /* </MinSuffixComponents> */
if (md->allow_stale) {
ndn_charbuf_append_tt(templ, NDN_DTAG_AnswerOriginKind, NDN_DTAG);
ndnb_append_number(templ, NDN_AOK_DEFAULT | NDN_AOK_STALE);
ndn_charbuf_append_closer(templ); /* </AnswerOriginKind> */
}
ndn_charbuf_append_closer(templ); /* </Interest> */
return(templ);
}
static void
append_future_vcomp(struct ndn_charbuf *templ)
{
/* One beyond a distant future version stamp */
unsigned char b[7] = {NDN_MARKER_VERSION + 1, 0, 0, 0, 0, 0, 0};
ndn_charbuf_append_tt(templ, NDN_DTAG_Component, NDN_DTAG);
ndn_charbuf_append_tt(templ, sizeof(b), NDN_BLOB);
ndn_charbuf_append(templ, b, sizeof(b));
ndn_charbuf_append_closer(templ); /* </Component> */
}
/**
* Reset charbuf to represent an empty Name in binary format.
* 重置charbuf来代表一个空的*二进制*名字
* @returns 0, or -1 for error.
*/
int
ndn_name_init(struct ndn_charbuf *c)
{
int res;
c->length = 0;
res = ndn_charbuf_append_tt(c, NDN_DTAG_Name, NDN_DTAG);
if (res == -1) return(res);
res = ndn_charbuf_append_closer(c);
return(res);
}
static struct ndn_charbuf *
resolve_templ(struct ndn_charbuf *templ, unsigned const char *vcomp,
int size, int lifetime, int versioning_flags)
{
if (templ == NULL)
templ = ndn_charbuf_create();
if (size < 3 || size > 16) {
ndn_charbuf_destroy(&templ);
return(NULL);
}
templ->length = 0;
ndn_charbuf_append_tt(templ, NDN_DTAG_Interest, NDN_DTAG);
ndn_charbuf_append_tt(templ, NDN_DTAG_Name, NDN_DTAG);
ndn_charbuf_append_closer(templ); /* </Name> */
ndn_charbuf_append_tt(templ, NDN_DTAG_Exclude, NDN_DTAG);
append_filter_all(templ);
ndn_charbuf_append_tt(templ, NDN_DTAG_Component, NDN_DTAG);
ndn_charbuf_append_tt(templ, size, NDN_BLOB);
ndn_charbuf_append(templ, vcomp, size);
ndn_charbuf_append_closer(templ); /* </Component> */
append_future_vcomp(templ);
append_filter_all(templ);
ndn_charbuf_append_closer(templ); /* </Exclude> */
answer_highest(templ);
answer_passive(templ);
if ((versioning_flags & NDN_V_SCOPE2) != 0)
ndnb_tagged_putf(templ, NDN_DTAG_Scope, "%d", 2);
else if ((versioning_flags & NDN_V_SCOPE1) != 0)
ndnb_tagged_putf(templ, NDN_DTAG_Scope, "%d", 1);
else if ((versioning_flags & NDN_V_SCOPE0) != 0)
ndnb_tagged_putf(templ, NDN_DTAG_Scope, "%d", 0);
if (lifetime > 0)
ndnb_append_tagged_binary_number(templ, NDN_DTAG_InterestLifetime, lifetime);
ndn_charbuf_append_closer(templ); /* </Interest> */
return(templ);
}
static void
express_bulkdata_interest(struct ndn *h, struct pending *p)
{
int res;
struct bulkdata *b = NULL;
struct ndn_charbuf *name = NULL;
struct ndn_charbuf *templ = NULL;
struct ndn_charbuf *seq = NULL;
b = p->parent;
if (b == NULL)
return;
name = ndn_charbuf_create();
templ = ndn_charbuf_create();
seq = ndn_charbuf_create();
ndn_charbuf_append(name, b->name_prefix->buf, b->name_prefix->length);
seq->length = 0;
(*b->seqfunc)(p->x, b->seqfunc_param, seq);
ndn_name_append(name, seq->buf, seq->length);
ndn_charbuf_append_tt(templ, NDN_DTAG_Interest, NDN_DTAG);
ndn_charbuf_append_tt(templ, NDN_DTAG_Name, NDN_DTAG);
ndn_charbuf_append_closer(templ); /* </Name> */
// XXX - may want to set Min/MaxSuffixComponents
ndn_charbuf_append_closer(templ); /* </Interest> */
res = ndn_express_interest(h, name, &p->closure, templ);
assert(res >= 0); // XXX - handle this better
ndn_charbuf_destroy(&name);
ndn_charbuf_destroy(&templ);
ndn_charbuf_destroy(&seq);
}
/**
* Add sequence of ndnb-encoded Components to a ndnb-encoded Name.
*
* start and stop are offsets from ndnb
* @returns 0, or -1 for obvious error
*/
int
ndn_name_append_components(struct ndn_charbuf *c,
const unsigned char *ndnb,
size_t start, size_t stop)
{
int res;
if (c->length < 2 || start > stop)
return(-1);
c->length -= 1;
ndn_charbuf_reserve(c, stop - start + 1);
res = ndn_charbuf_append(c, ndnb + start, stop - start);
if (res == -1) return(res);
res = ndn_charbuf_append_closer(c);
return(res);
}
/**
* Extend a Name with a new version stamp
* @param h is the the ndn handle.
* May be NULL. This procedure does not use the connection.
* @param name is a ndnb-encoded Name prefix. By default it gets extended
* in-place with one additional Component that conforms to the
* versioning profile and is based on the supplied time, unless a
* version component is already present.
* @param versioning_flags modifies the default behavior:
* NDN_V_REPLACE causes the last component to be replaced if it
* appears to be a version stamp. If NDN_V_HIGH is set as well, an
* attempt will be made to generate a new version stamp that is
* later than the existing one, or to return an error.
* NDN_V_NOW bases the version on the current time rather than the
* supplied time.
* NDN_V_NESTOK will allow the new version component to be appended
* even if there is one there (this makes no difference if NDN_V_REPLACE
* is also set).
* @param secs is the desired time, in seconds since epoch
* (ignored if NDN_V_NOW is set).
* @param nsecs is the number of nanoseconds.
* @returns -1 for error, 0 for success.
*/
int
ndn_create_version(struct ndn *h, struct ndn_charbuf *name,
int versioning_flags, intmax_t secs, int nsecs)
{
size_t i;
size_t j;
size_t lc = 0;
size_t oc = 0;
int n;
struct ndn_indexbuf *nix = NULL;
int myres = -1;
int already_versioned = 0;
int ok_flags = (NDN_V_REPLACE | NDN_V_HIGH | NDN_V_NOW | NDN_V_NESTOK);
// XXX - right now we ignore h, but in the future we may use it to try to avoid non-monotonicies in the versions.
nix = ndn_indexbuf_create();
n = ndn_name_split(name, nix);
if (n < 0)
goto Finish;
if ((versioning_flags & ~ok_flags) != 0)
goto Finish;
/* Check for existing version component */
if (n >= 1) {
oc = nix->buf[n-1];
lc = nix->buf[n] - oc;
if (lc <= 11 && lc >= 6 && name->buf[oc + 2] == NDN_MARKER_VERSION)
already_versioned = 1;
}
myres = 0;
if (already_versioned &&
(versioning_flags & (NDN_V_REPLACE | NDN_V_NESTOK)) == 0)
goto Finish;
name->length -= 1; /* Strip name closer */
i = name->length;
myres |= ndn_charbuf_append_tt(name, NDN_DTAG_Component, NDN_DTAG);
if ((versioning_flags & NDN_V_NOW) != 0)
myres |= ndnb_append_now_blob(name, NDN_MARKER_VERSION);
else {
myres |= ndnb_append_timestamp_blob(name, NDN_MARKER_VERSION, secs, nsecs);
}
myres |= ndn_charbuf_append_closer(name); /* </Component> */
if (myres < 0) {
name->length = i;
goto CloseName;
}
j = name->length;
if (already_versioned && (versioning_flags & NDN_V_REPLACE) != 0) {
oc = nix->buf[n-1];
lc = nix->buf[n] - oc;
if ((versioning_flags & NDN_V_HIGH) != 0 &&
memcmp(name->buf + oc, name->buf + i, j - i) > 0) {
/* Supplied version is in the future. */
name->length = i;
// XXX - we could try harder to make this work, for now just error out
myres = -1;
goto CloseName;
}
memmove(name->buf + oc, name->buf + i, j - i);
name->length -= lc;
}
CloseName:
myres |= ndn_charbuf_append_closer(name); /* </Name> */
Finish:
myres = (myres < 0) ? -1 : 0;
ndn_indexbuf_destroy(&nix);
return(myres);
}
/**
* Convert a ndnx-scheme URI to a ndnb-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
ndn_name_from_uri(struct ndn_charbuf *c, const char *uri)
{
int res = 0;
struct ndn_charbuf *compbuf = NULL;
const char *stop = uri + strlen(uri);
const char *s = uri;
size_t cont = 0;
compbuf = ndn_charbuf_create();
if (compbuf == NULL) return(-1);
if (s[0] != '/') {
res = ndn_append_uri_component(compbuf, s, stop - s, &cont);
if (res < -2)
goto Done;
ndn_charbuf_reserve(compbuf, 1)[0] = 0;
if (s[cont-1] == ':') {
if ((0 == strcasecmp((const char *)(compbuf->buf), "ndn:") ||
0 == strcasecmp((const char *)(compbuf->buf), "ndn:"))) {
s += cont;
cont = 0;
} else
return (-1);
}
}
if (s[0] == '/') {
ndn_name_init(c);
if (s[1] == '/') {
/* Skip over hostname part - not used in ndnx scheme */
s += 2;
compbuf->length = 0;
res = ndn_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 = ndn_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 = ndn_name_last_component_offset(c->buf, c->length);
if (res < 0)
goto Done;
c->length = res;
ndn_charbuf_append_closer(c);
continue;
}
res = ndn_name_append(c, compbuf->buf, compbuf->length);
if (res < 0)
goto Done;
}
Done:
ndn_charbuf_destroy(&compbuf);
if (res < 0)
return(-1);
if (c->length < 2 || c->buf[c->length-1] != NDN_CLOSE)
return(-1);
return(s - uri);
}
/**
* This appends a filter useful for
* excluding everything between two 'fenceposts' in an Exclude construct.
*/
static void
append_filter_all(struct ndn_charbuf *c)
{
ndn_charbuf_append_tt(c, NDN_DTAG_Any, NDN_DTAG);
ndn_charbuf_append_closer(c);
}
int
main(int argc, char **argv)
{
const char *progname = argv[0];
struct ndn *ndn = NULL;
struct ndn_charbuf *name = NULL;
struct ndn_charbuf *pname = NULL;
struct ndn_charbuf *temp = NULL;
struct ndn_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 ndn_content_type content_type = NDN_CONTENT_DATA;
struct ndn_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 ndn_signing_params sp = NDN_SIGNING_PARAMS_INIT;
while ((res = getopt(argc, argv, "e:fhk:lvV:p:t:w:x:")) != -1) {
switch (res) {
case 'e':
if (extopt == NULL)
extopt = ndn_charbuf_create();
fd = open(optarg, O_RDONLY);
if (fd < 0) {
perror(optarg);
exit(1);
}
for (;;) {
read_res = read(fd, ndn_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 = NDN_CONTENT_DATA;
break;
}
if (0 == strcasecmp(optarg, "ENCR")) {
content_type = NDN_CONTENT_ENCR;
break;
}
if (0 == strcasecmp(optarg, "GONE")) {
content_type = NDN_CONTENT_GONE;
break;
}
if (0 == strcasecmp(optarg, "KEY")) {
content_type = NDN_CONTENT_KEY;
break;
}
if (0 == strcasecmp(optarg, "LINK")) {
content_type = NDN_CONTENT_LINK;
break;
}
if (0 == strcasecmp(optarg, "NACK")) {
content_type = NDN_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 = ndn_charbuf_create();
res = ndn_name_from_uri(name, argv[0]);
if (res < 0) {
fprintf(stderr, "%s: bad ndn 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 = ndn_charbuf_create();
ndn_charbuf_append(pname, name->buf, name->length);
if (prefixcomps >= 0) {
res = ndn_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 ndnd */
ndn = ndn_create();
if (ndn_connect(ndn, NULL) == -1) {
perror("Could not connect to ndnd");
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 = ndn_create_version(ndn, name, NDN_V_REPLACE | NDN_V_NOW | NDN_V_HIGH, 0, 0);
if (res < 0) {
fprintf(stderr, "%s: ndn_create_version() failed\n", progname);
exit(1);
}
if (postver != NULL) {
res = ndn_name_from_uri(name, postver);
if (res < 0) {
fprintf(stderr, "-V %s: invalid name suffix\n", postver);
exit(0);
}
}
}
temp = ndn_charbuf_create();
/* Ask for a FinalBlockID if appropriate. */
if (setfinal)
sp.sp_flags |= NDN_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_ndnb == NULL) {
sp.template_ndnb = ndn_charbuf_create();
ndn_charbuf_append_tt(sp.template_ndnb, NDN_DTAG_SignedInfo, NDN_DTAG);
}
else if (sp.template_ndnb->length > 0) {
sp.template_ndnb->length--;
}
ndnb_tagged_putf(sp.template_ndnb, NDN_DTAG_FreshnessSeconds, "%ld", expire);
sp.sp_flags |= NDN_SP_TEMPL_FRESHNESS;
ndn_charbuf_append_closer(sp.template_ndnb);
}
/* Set key locator, if supplied */
if (key_uri != NULL) {
struct ndn_charbuf *c = ndn_charbuf_create();
res = ndn_name_from_uri(c, key_uri);
if (res < 0) {
fprintf(stderr, "%s is not a valid ndnx URI\n", key_uri);
exit(1);
}
if (sp.template_ndnb == NULL) {
sp.template_ndnb = ndn_charbuf_create();
ndn_charbuf_append_tt(sp.template_ndnb, NDN_DTAG_SignedInfo, NDN_DTAG);
}
else if (sp.template_ndnb->length > 0) {
sp.template_ndnb->length--;
}
ndn_charbuf_append_tt(sp.template_ndnb, NDN_DTAG_KeyLocator, NDN_DTAG);
ndn_charbuf_append_tt(sp.template_ndnb, NDN_DTAG_KeyName, NDN_DTAG);
ndn_charbuf_append(sp.template_ndnb, c->buf, c->length);
ndn_charbuf_append_closer(sp.template_ndnb);
ndn_charbuf_append_closer(sp.template_ndnb);
sp.sp_flags |= NDN_SP_TEMPL_KEY_LOCATOR;
ndn_charbuf_append_closer(sp.template_ndnb);
ndn_charbuf_destroy(&c);
}
if (extopt != NULL && extopt->length > 0) {
if (sp.template_ndnb == NULL) {
sp.template_ndnb = ndn_charbuf_create();
ndn_charbuf_append_tt(sp.template_ndnb, NDN_DTAG_SignedInfo, NDN_DTAG);
}
else if (sp.template_ndnb->length > 0) {
sp.template_ndnb->length--;
}
ndnb_append_tagged_blob(sp.template_ndnb, NDN_DTAG_ExtOpt,
extopt->buf, extopt->length);
sp.sp_flags |= NDN_SP_TEMPL_EXT_OPT;
ndn_charbuf_append_closer(sp.template_ndnb);
}
/* Create the signed content object, ready to go */
temp->length = 0;
res = ndn_sign_content(ndn, 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 = ndn_put(ndn, temp->buf, temp->length);
if (res < 0) {
fprintf(stderr, "ndn_put failed (res == %d)\n", res);
exit(1);
}
}
else {
in_interest.data = temp;
/* Set up a handler for interests */
res = ndn_set_interest_filter(ndn, pname, &in_interest);
if (res < 0) {
fprintf(stderr, "Failed to register interest (res == %d)\n", res);
exit(1);
}
res = ndn_run(ndn, timeout);
if (in_interest.intdata == 0) {
if (verbose)
fprintf(stderr, "Nobody's interested\n");
exit(1);
}
}
if (verbose) {
struct ndn_charbuf *uri = ndn_charbuf_create();
uri->length = 0;
ndn_uri_append(uri, name->buf, name->length, 1);
printf("wrote %s\n", ndn_charbuf_as_string(uri));
ndn_charbuf_destroy(&uri);
}
ndn_destroy(&ndn);
ndn_charbuf_destroy(&name);
ndn_charbuf_destroy(&pname);
ndn_charbuf_destroy(&temp);
ndn_charbuf_destroy(&sp.template_ndnb);
ndn_charbuf_destroy(&extopt);
exit(status);
}