struct verifier *
spki_make_verifier(struct alist *algorithms,
struct sexp *e)
{
/* Syntax: (<algorithm> <s-expr>*) */
struct signature_algorithm *algorithm;
struct verifier *v;
int algorithm_name;
struct sexp_iterator *i;
algorithm_name = spki_get_type(e, &i);
{
CAST_SUBTYPE(signature_algorithm, a,
ALIST_GET(algorithms, algorithm_name));
algorithm = a;
}
if (!algorithm)
{
werror("spki_make_verifier: Unsupported algorithm %a.\n", algorithm_name);
return NULL;
}
v = MAKE_VERIFIER(algorithm, i);
KILL(i);
if (!v)
{
werror("spki_make_verifier: Invalid public-key data.\n");
return NULL;
}
return v;
}
int wcopy_file(const char *dir, const char *src_file, const char *dest_file)
{
FILE *src, *dst;
size_t nread, nwritten;
char *dstpath;
struct stat st;
char buf[4096];
/* only to a directory */
if (stat(dir, &st) != 0 || !S_ISDIR(st.st_mode))
return -1;
/* only copy files */
if (stat(src_file, &st) != 0 || !S_ISREG(st.st_mode))
return -1;
do {
src = fopen(src_file, "rb");
} while ((src == NULL) && (errno == EINTR));
if (src == NULL) {
werror(_("Could not open input file \"%s\""), src_file);
return -1;
}
dstpath = wstrconcat(dir, dest_file);
do {
dst = fopen(dstpath, "wb");
} while ((dst == NULL) && (errno == EINTR));
if (dst == NULL) {
werror(_("Could not create target file \"%s\""), dstpath);
wfree(dstpath);
fclose(src);
return -1;
}
do {
nread = fread(buf, 1, sizeof(buf), src);
if (ferror(src))
break;
nwritten = fwrite(buf, 1, nread, dst);
if (ferror(dst) || feof(src) || nread != nwritten)
break;
} while (1);
if (ferror(src) || ferror(dst))
unlink(dstpath);
fclose(src);
fchmod(fileno(dst), st.st_mode);
fsync(fileno(dst));
if (fclose(dst))
wwarning("error occured during fclose(\"%s\")", dstpath);
wfree(dstpath);
return 0;
}
static int
process_file(struct rsa_session *ctx,
FILE *in, FILE *out)
{
uint8_t buffer[BLOCK_SIZE + SHA1_DIGEST_SIZE];
for (;;)
{
size_t size = fread(buffer, 1, BLOCK_SIZE, in);
hmac_sha1_update(&ctx->hmac, size, buffer);
if (size < BLOCK_SIZE)
{
unsigned leftover;
unsigned padding;
if (ferror(in))
{
werror("Reading input failed: %s\n", strerror(errno));
return 0;
}
leftover = size % AES_BLOCK_SIZE;
padding = AES_BLOCK_SIZE - leftover;
assert (size + padding <= BLOCK_SIZE);
if (padding > 1)
yarrow256_random(&ctx->yarrow, padding - 1, buffer + size);
size += padding;
buffer[size - 1] = padding;
CBC_ENCRYPT(&ctx->aes, aes_encrypt, size, buffer, buffer);
assert (size + SHA1_DIGEST_SIZE <= sizeof(buffer));
hmac_sha1_digest(&ctx->hmac, SHA1_DIGEST_SIZE, buffer + size);
size += SHA1_DIGEST_SIZE;
if (!write_string(out, size, buffer))
{
werror("Writing output failed: %s\n", strerror(errno));
return 0;
}
return 1;
}
CBC_ENCRYPT(&ctx->aes, aes_encrypt, size, buffer, buffer);
if (!write_string(out, size, buffer))
{
werror("Writing output failed: %s\n", strerror(errno));
return 0;
}
}
}
int
main(int argc, char **argv)
{
struct rsa_private_key key;
struct rsa_session ctx;
struct rsa_session_info session;
unsigned length;
mpz_t x;
mpz_init(x);
if (argc != 2)
{
werror("Usage: rsa-decrypt PRIVATE-KEY < ciphertext\n");
return EXIT_FAILURE;
}
rsa_private_key_init(&key);
if (!read_rsa_key(argv[1], NULL, &key))
{
werror("Invalid key\n");
return EXIT_FAILURE;
}
if (!read_version(stdin))
{
werror("Bad version number in input file.\n");
return EXIT_FAILURE;
}
if (!read_bignum(stdin, x))
{
werror("Bad rsa header in input file.\n");
return EXIT_FAILURE;
}
length = sizeof(session.key);
if (!rsa_decrypt(&key, &length, session.key, x) || length != sizeof(session.key))
{
werror("Failed to decrypt rsa header in input file.\n");
return EXIT_FAILURE;
}
mpz_clear(x);
rsa_session_set_decrypt_key(&ctx, &session);
if (!process_file(&ctx,
stdin, stdout))
return EXIT_FAILURE;
rsa_private_key_clear(&key);
return EXIT_SUCCESS;
}
int
main(int argc, char **argv)
{
struct rsa_public_key key;
struct sha1_ctx hash;
mpz_t s;
if (argc != 3)
{
werror("Usage: rsa-verify PUBLIC-KEY SIGNATURE-FILE < FILE\n");
return EXIT_FAILURE;
}
rsa_public_key_init(&key);
if (!read_rsa_key(argv[1], &key, NULL))
{
werror("Invalid key\n");
return EXIT_FAILURE;
}
mpz_init(s);
if (!read_signature(argv[2], s))
{
werror("Failed to read signature file `%s'\n",
argv[2]);
return EXIT_FAILURE;
}
sha1_init(&hash);
if (!hash_file(&nettle_sha1, &hash, stdin))
{
werror("Failed reading stdin: %s\n",
strerror(errno));
return 0;
}
if (!rsa_sha1_verify(&key, &hash, s))
{
werror("Invalid signature!\n");
return EXIT_FAILURE;
}
mpz_clear(s);
rsa_public_key_clear(&key);
return EXIT_SUCCESS;
}
/*
* Run kermit. Used to do this in the main window, but newer
* versions of kermit are too intelligent and just want a tty
* for themselves or they won't function ok. Shame.
*/
void kermit(void)
{
int status, pid, n;
char * translated_cmdline;
char *kermit_path = P_KERMIT;
if (!kermit_path || !*kermit_path) {
werror("No kermit path defined!");
return;
}
/* Clear screen, set keyboard modes etc. */
mc_wleave();
switch (pid = fork()) {
case -1:
mc_wreturn();
werror(_("Out of memory: could not fork()"));
return;
case 0: /* Child */
close(portfd);
/* Remove lockfile */
lockfile_remove();
for (n = 0; n < _NSIG; n++)
signal(n, SIG_DFL);
translated_cmdline = translate(P_KERMIT);
if (translated_cmdline != NULL) {
fastexec(translated_cmdline);
free(translated_cmdline);
}
exit(1);
default: /* Parent */
break;
}
m_wait(&status);
/* Restore screen and keyboard modes */
mc_wreturn();
/* Re-create lockfile */
lockfile_create();
m_flush(portfd);
port_init();
}
/* FIXME: !!! failed requests show up as an exception. /Bazsi
*
* I think that is normal. It's up to the caller to do something reasonable
* about the exception. /nisse
*/
static void
do_pty_continuation(struct command_continuation *s,
struct lsh_object *x)
{
CAST(pty_request_continuation, self, s);
CAST_SUBTYPE(ssh_channel, channel, x);
struct terminal_attributes *raw;
assert(x);
verbose("pty request succeeded\n");
raw = TERM_MAKE_RAW(self->req->attr);
if (!INTERACT_SET_ATTRIBUTES(self->req->tty, raw))
{
werror("do_pty_continuation: "
"Setting the attributes of the local terminal failed.\n");
}
REMEMBER_RESOURCE(channel->resources,
make_client_tty_resource(self->req->tty,
self->req->attr));
REMEMBER_RESOURCE(channel->resources,
INTERACT_WINDOW_SUBSCRIBE
(self->req->tty,
make_client_winch_handler(channel)));
COMMAND_RETURN(self->super.up, x);
}
/*
* Change to a directory.
*/
static int mcd(char *dir)
{
char buf[256];
char err[50];
static char odir[256];
static int init = 0;
if (!init) {
if (*dir == 0)
return 0;
init = 1;
getcwd(odir, 255);
}
if (*dir == 0) {
chdir(odir);
return 0;
}
if (*dir != '/') {
snprintf(buf, sizeof(buf), "%s/%s", homedir, dir);
dir = buf;
}
if (chdir(dir) < 0) {
/* This may look safe but you might I8N change the string! so
snprintf it */
snprintf(err, sizeof(err), _("Cannot chdir to %.30s"), dir);
err[sizeof(err) - 1] = 0;
werror("%s", err);
return -1;
}
return 0;
}
int PatchINIMerge( const char* mergeini
, const char* baseini
, const char* resultini
, int flags
, char* errorBuffer
, int errorBufferCharLen )
{
// Convert to wide strings
wstring wmergeini = PatchINIToWideString(mergeini);
wstring wbaseini = PatchINIToWideString(baseini);
wstring wresultini = PatchINIToWideString(resultini);
wstring werror(errorBufferCharLen+1, '\0');
// Main app
int result = PatchINIMergeW(wmergeini.c_str(), wbaseini.c_str(), wresultini.c_str(), flags, &werror.at(0), errorBufferCharLen);
// Error handling
if(result != EXIT_SUCCESS) {
if(errorBuffer) {
string error = PatchINIToNarrowString(werror.c_str());
size_t errorBufferBytes = errorBufferCharLen;
memset(errorBuffer, '\0', errorBufferBytes);
if(!error.empty()) {
memcpy(errorBuffer, error.c_str(), std::max<int>(error.length(), errorBufferBytes-1));
}
}
}
return result;
}
/*-----------------------------------------------------------------*/
void
deallocLocal (symbol * csym)
{
symbol *sym;
for (sym = csym; sym; sym = sym->next)
{
if (sym->_isparm)
continue;
/* if it is on the stack */
if (sym->onStack)
{
if (options.useXstack)
xstackPtr -= getSize (sym->type);
else
stackPtr -= getSize (sym->type);
}
/* if not used give a warning */
if (!sym->isref && !IS_STATIC (sym->etype))
werror (W_NO_REFERENCE,
currFunc ? currFunc->name : "(unknown)",
"local variable", sym->name);
/* now delete it from the symbol table */
deleteSym (SymbolTab, sym, sym->name);
}
}
char *wgethomedir()
{
static char *home = NULL;
char *tmp;
struct passwd *user;
if (home)
return home;
#ifdef HAVE_SECURE_GETENV
tmp = secure_getenv("HOME");
#else
tmp = getenv("HOME");
#endif
if (tmp) {
home = wstrdup(tmp);
return home;
}
user = getpwuid(getuid());
if (!user) {
werror(_("could not get password entry for UID %i"), getuid());
home = "/";
return home;
}
if (!user->pw_dir)
home = "/";
else
home = wstrdup(user->pw_dir);
return home;
}
/* Show signals when debug is on. */
static void signore(int sig)
{
if (stdwin)
werror(_("Got signal %d"), sig);
else
printf("%s\r\n", _("Got signal %d"), sig);
}
static const char *
get_model (void)
{
int index;
switch (options.model)
{
case MODEL_SMALL:
index = 0;
break;
case MODEL_MEDIUM:
index = 4;
break;
case MODEL_LARGE:
index = 8;
break;
case MODEL_HUGE:
index = 12;
break;
default:
werror (W_UNKNOWN_MODEL, __FILE__, __LINE__);
return "unknown";
}
if (options.stackAuto)
index += 2;
if (options.useXstack)
index += 1;
return models[index];
}
/* Open wav file, check sample rate. Return WAVE* on success, NULL on error, and print the error messages to stderr. */
WAVE* open_wav(const char* infile, int verbose) {
WAVE* wave = wopen(infile, "r");
if (wave == NULL) {
fprintf(stderr, "Error while opening wave file \"%s\".\n", infile);
return NULL;
}
wgetheader(wave);
if (werror(wave) != WAVE_OK) {
fprintf(stderr, "Error while reading wave header from file \"%s\", error code: %d.\n", infile, werror(wave));
return NULL;
}
if (verbose == 1) {
printf("File info ============\n");
printf("Wave file: \"%s\"\n", infile);
printf("Sample rate: %d Hz\n", wave->header.SampleRate);
printf("Length: %f s\n",
((float)wave->header.Subchunk2Size / (wave->header.NumChannels * wave->header.BitsPerSample/8)) / (float)wave->header.SampleRate);
printf("Sample bits: %d bits\n", wave->header.BitsPerSample);
printf("Channels: %d\n", wave->header.NumChannels);
}
if (wave->header.SampleRate != OPUS_SUPPORTED_FS) {
fprintf(stderr, "Sample rate %d Hz is not supported. Only files with sample rate %d Hz are accepted.\n",
wave->header.SampleRate, OPUS_SUPPORTED_FS);
wave = wclose(wave);
return NULL;
}
return wave;
}
static int
convert_dsa_private_key(struct nettle_buffer *buffer, unsigned length, const uint8_t *data)
{
struct dsa_public_key pub;
struct dsa_private_key priv;
int res;
dsa_public_key_init(&pub);
dsa_private_key_init(&priv);
if (dsa_openssl_private_key_from_der(&pub, &priv, 0,
length, data))
{
/* Reuses the buffer */
nettle_buffer_reset(buffer);
res = dsa_keypair_to_sexp(buffer, NULL, &pub, &priv);
}
else
{
werror("Invalid OpenSSL private key.\n");
res = 0;
}
dsa_public_key_clear(&pub);
dsa_private_key_clear(&priv);
return res;
}
NODE *
builtin_return_address(const struct bitable *bt, NODE *a)
{
NODE *f;
if (a->n_op != ICON)
goto bad;
if (a->n_lval != 0)
werror("unsupported argument");
tfree(a);
f = block(REG, NIL, NIL, INCREF(PTR+CHAR), 0, 0);
regno(f) = FPREG;
f = block(UMUL,
block(PLUS, f,
bcon(16), INCREF(PTR+CHAR), 0, 0), NIL, PTR+CHAR, 0, 0);
f = makety(f, PTR+VOID, 0, 0, 0);
return f;
bad:
uerror("bad argument to __builtin_return_address");
return bcon(0);
}
static void
do_sighup_close_callback(struct lsh_callback *s)
{
CAST(sighup_close_callback, self, s);
werror("SIGHUP received.\n");
KILL_RESOURCE(self->resource);
}
/*
* fmg 8/20/97
* Move scope to next hit of pattern in the buffer.
* Returns line-number of next "hit_line" or -1 if none found
* (we beep elsewhere ;-)
*/
int find_next(WIN *w, WIN *w_hist,
int hit_line, /* 'current' Match line */
wchar_t *look, /* pattern */
int case_matters) /* guess... */
{
int next_line;
ELM *tmp_e;
wchar_t tmp_line[MAXCOLS];
int all_lines;
if (!look)
return(++hit_line); /* next line */
tmp_line[0] = '\0'; /* Personal phobia, I need to do this.. */
hit_line++; /* we NEED this so we don't search only same line! */
all_lines = w->histlines + w_hist->ys;
if (hit_line >= all_lines) { /* Make sure we've got a valid line! */
werror(_("Search Wrapping Around to Start!"));
hit_line = 0;
}
for (next_line = hit_line; next_line <= all_lines; next_line++) {
/* we do 'something' here... :-) */
tmp_e = mc_getline(w_hist, next_line);
/*
* First we "accumulate" the line into a variable.
* To see 'why', see what an 'ELM' structure looks like!
*/
mc_wdrawelm_var(w, tmp_e, tmp_line);
/* Does it have what we want? */
if (wcslen(tmp_line) > 1 && wcslen(look) > 1)
if (StrStr(tmp_line, look, case_matters))
return next_line;
}
if (hit_line >= all_lines) { /* Make sure we've got a valid line! */
werror(_("Search Wrapping Around to Start!"));
hit_line = 0;
}
return -1; /* nothing found! */
}
void
suspend_handle_tty(int fd)
{
tty_fd = fd;
if (!tty_getattr(fd, &original_mode))
werror("install_suspend_handler: tty_getattr failed (errno = %i): %z\n",
errno, STRERROR(errno));
}
static void
do_channel_forward_eof(struct ssh_channel *s)
{
CAST(channel_forward, self, s);
if (shutdown (self->socket->fd, SHUT_WR) < 0)
werror("do_channel_forward_eof, shutdown failed, (errno = %i): %z\n",
errno, STRERROR(errno));
}
void
channel_forward_shutdown(struct channel_forward *self)
{
if (shutdown (self->write.fd, SHUT_WR) < 0)
werror("close_fd_write, shutdown failed: %e.\n", errno);
assert(self->super.sinks);
self->super.sinks--;
channel_maybe_close(&self->super);
}
static void
do_adns_free(adns_state s)
{
adns_forallqueries_begin(s);
if (adns_forallqueries_next(s, NULL))
werror("Dropping queries on the floor.\n");
adns_finish(s);
}
/* Returns the algorithm type, or zero on error. */
struct signer *
spki_make_signer(struct alist *algorithms,
struct sexp *e,
int *type)
{
/* Syntax: (<algorithm> <s-expr>*) */
struct signature_algorithm *algorithm;
struct signer *s;
int algorithm_name;
struct sexp_iterator *i;
algorithm_name = spki_get_type(e, &i);
if (!algorithm_name)
return NULL;
{
CAST_SUBTYPE(signature_algorithm, a,
ALIST_GET(algorithms, algorithm_name));
algorithm = a;
}
if (!algorithm)
{
werror("spki_make_signer: Unsupported algorithm %a.\n", algorithm_name);
return NULL;
}
s = MAKE_SIGNER(algorithm, i);
KILL(i);
if (!s)
{
werror("spki_make_signer: Invalid public-key data.\n");
return NULL;
}
if (type)
*type = algorithm_name;
return s;
}
NODE *
mips_builtin_va_arg(NODE *f, NODE *a, TWORD t)
{
NODE *p, *q, *r;
int sz, tmpnr;
/* check num args and type */
if (a == NULL || a->n_op != CM || a->n_left->n_op == CM ||
!ISPTR(a->n_left->n_type) || a->n_right->n_op != TYPE)
goto bad;
r = a->n_right;
/* get type size */
sz = tsize(r->n_type, r->n_df, r->n_ap) / SZCHAR;
if (sz < SZINT/SZCHAR) {
werror("%s%s promoted to int when passed through ...",
r->n_type & 1 ? "unsigned " : "",
DEUNSIGN(r->n_type) == SHORT ? "short" : "char");
sz = SZINT/SZCHAR;
}
/* alignment */
p = tcopy(a->n_left);
if (sz > SZINT/SZCHAR && r->n_type != UNIONTY && r->n_type != STRTY) {
p = buildtree(PLUS, p, bcon(7));
p = block(AND, p, bcon(-8), p->n_type, p->n_df, p->n_ap);
}
/* create a copy to a temp node */
q = tempnode(0, p->n_type, p->n_df, p->n_ap);
tmpnr = regno(q);
p = buildtree(ASSIGN, q, p);
q = tempnode(tmpnr, p->n_type, p->n_df,p->n_ap);
q = buildtree(PLUS, q, bcon(sz));
q = buildtree(ASSIGN, a->n_left, q);
q = buildtree(COMOP, p, q);
nfree(a->n_right);
nfree(a);
nfree(f);
p = tempnode(tmpnr, INCREF(r->n_type), r->n_df, r->n_ap);
p = buildtree(UMUL, p, NIL);
p = buildtree(COMOP, q, p);
return p;
bad:
uerror("bad argument to __builtin_va_arg");
return bcon(0);
}
/* Look up a port using getaddrinfo, and bind one or more sockets. */
static unsigned
open_port (struct lshd_context *ctx, struct resource_list *resources,
const struct lsh_string *interface, const struct lsh_string *port)
{
#if HAVE_GETADDRINFO
struct addrinfo hints;
struct addrinfo *list;
struct addrinfo *p;
int err;
const char *node;
unsigned done = 0;
memset(&hints, 0, sizeof(hints));
hints.ai_family = PF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
node = interface ? lsh_get_cstring(interface) : NULL;
if (node && !node[0])
node = NULL;
debug("open_port: node = %z, port = %S\n",
node ? node : "ANY", port);
/* FIXME: Also use AI_ADDRCONFIG? */
hints.ai_flags = AI_PASSIVE;
err = getaddrinfo(node, lsh_get_cstring(port), &hints, &list);
if (err)
werror ("getaddrinfo failed for interface %z, port %S: %z\n",
node ? node : "ANY", port, gai_strerror(err));
else
{
for (p = list; p; p = p->ai_next)
{
if (p->ai_family == AF_INET || p->ai_family == AF_INET6)
{
struct resource *port =
make_lshd_port (ctx, p->ai_addrlen, p->ai_addr);
if (port)
{
remember_resource(resources, port);
done++;
}
}
}
freeaddrinfo(list);
}
return done;
#else /* !HAVE_GETADDRINFO */
#error getaddrinfo currently required */
#endif /* !HAVE_GETADDRINFO */
}
static void
do_kill_pid_file(struct resource *s)
{
CAST(pid_file_resource, self, s);
if (self->super.alive)
{
self->super.alive = 0;
if (unlink(lsh_get_cstring(self->file)) < 0)
werror("Unlinking pidfile `%S' failed: %e.\n", self->file, errno);
}
}
static int
write_file(struct nettle_buffer *buffer, FILE *f)
{
size_t res = fwrite(buffer->contents, 1, buffer->size, f);
if (res < buffer->size)
{
werror("Write failed: %s.\n", strerror(errno));
return 0;
}
else
return 1;
}
/*-----------------------------------------------------------------*/
static void
printCyclomatic (eBBlock ** ebbs, int count)
{
int nEdges = elementsInSet (graphEdges);
int i, nNodes = 0;
for (i = 0; i < count; i++)
nNodes += (!ebbs[i]->noPath);
/* print the information */
werror (I_CYCLOMATIC, currFunc->name, nEdges, nNodes, nEdges - nNodes + 2);
}
/*
* We've got the hangup or term signal.
*/
static void hangsig(int sig)
{
if (stdwin)
werror(_("Killed by signal %d !\n"), sig);
if (capfp)
fclose(capfp);
keyboard(KUNINSTALL, 0);
hangup();
modemreset();
leave("\n");
}
/*-----------------------------------------------------------------*/
void
deallocParms (value * val)
{
value *lval;
for (lval = val; lval; lval = lval->next)
{
/* unmark is myparm */
lval->sym->ismyparm = 0;
/* delete it from the symbol table */
deleteSym (SymbolTab, lval->sym, lval->sym->name);
if (!lval->sym->isref)
{
lval->sym->allocreq = 0;
werror (W_NO_REFERENCE,
currFunc ? currFunc->name : "(unknown)",
"function argument", lval->sym->name);
}
/* move the rname if any to the name for both val & sym */
/* and leave a copy of it in the symbol table */
if (lval->sym->rname[0])
{
char buffer[SDCC_NAME_MAX];
symbol * argsym = lval->sym;
strncpyz (buffer, lval->sym->rname, sizeof(buffer));
lval->sym = copySymbol (lval->sym);
strncpyz (lval->sym->rname, buffer, sizeof(lval->sym->rname));
strncpyz (lval->sym->name, buffer, sizeof(lval->sym->name));
/* need to keep the original name for inlining to work */
/*strncpyz (lval->name, buffer, sizeof(lval->name)); */
addSym (SymbolTab, lval->sym, lval->sym->name,
lval->sym->level, lval->sym->block, 1);
lval->sym->_isparm = 1;
if (!isinSet (operKeyReset, lval->sym))
{
addSet(&operKeyReset, lval->sym);
}
/* restore the original symbol */
lval->sym = argsym;
}
}
return;
}
