static int term_test(IC_Env *env)
{
ETERM *ti, *to, *tr;
ti = erl_format("[{hej, 1, 23}, \"string\", {1.23, 45}]");
fprintf(stdout, "\n======== m_i_term test ======\n\n");
tr = m_i_term_test(NULL, ti, &to, env);
CHECK_EXCEPTION(env);
RETURN_IF_OK(erl_match(ti, to) && erl_match(ti, tr));
if (!erl_match(ti, to)) {
fprintf(stdout, " out parameter error, sent:\n");
print_term(ti);
fprintf(stdout, "got:\n");
print_term(to);
}
if (!erl_match(ti, tr)) {
fprintf(stdout, " result error, sent:\n");
print_term(ti);
fprintf(stdout, "got:\n");
print_term(tr);
}
erl_free_term(ti);
erl_free_term(to);
erl_free_term(tr);
return -1;
}
static int typedef_test(IC_Env *env)
{
m_banan mbi, mbo; /* erlang_port */
m_apa mai; /* ETERM* */
m_apa mao = NULL;
long tl;
strcpy(mbi.node,"node");
mbi.id = 15;
mbi.creation = 1;
fprintf(stdout, "\n======== m_i_typedef test ======\n\n");
mai = erl_format("[{hej, 1, 23}, \"string\", {1.23, 45}]");
tl = m_i_typedef_test(NULL, mai, &mbi, &mao, &mbo, env);
CHECK_EXCEPTION(env);
RETURN_IF_OK(erl_match(mai, mao) && cmp_port(&mbi, &mbo) && tl == 4711);
if (!erl_match(mai, mao)) {
fprintf(stdout, " out parameter error (term), sent:\n");
print_term(mai);
fprintf(stdout, "got:\n");
print_term(mao);
}
if (!cmp_port(&mbi, &mbo)) {
fprintf(stdout, " out parameter error (port), sent:\n");
print_port(&mbi);
fprintf(stdout, "got:\n");
print_port(&mbo);
}
if (tl != 4711) {
fprintf(stdout, " result error, sent: 4711, got %ld\n", tl);
}
erl_free_term(mai);
erl_free_term(mao);
return -1;
}
static int hello_getattr(const char *path, struct stat *stbuf)
{
ETERM * response = erl_rpc(FERL_DATA->erlang_fd,"gen_server","call",erl_format("[nefs,{get_attr,~s}]",path));
ETERM * pattern = erl_format("{directory,Mode,Nlink}");
ETERM * pattern2 = erl_format("{file,Mode,Nlink,Size}");
int res = 0;
memset(stbuf, 0, sizeof(struct stat));
if(erl_match(pattern, response)) { //directory
ETERM * Mode = erl_var_content(pattern, "Mode");
ETERM * Nlink = erl_var_content(pattern, "Nlink");
if(ERL_IS_INTEGER(Nlink) && ERL_IS_INTEGER(Mode)){
stbuf->st_mode = S_IFDIR | ERL_INT_VALUE(Mode); //permissions
stbuf->st_nlink = ERL_INT_VALUE(Nlink); // directories have the number of files in them
}else{
res = -ENOENT;
}
}else if(erl_match(pattern2, response)){ //file
ETERM * Mode = erl_var_content(pattern2, "Mode");
ETERM * Nlink = erl_var_content(pattern2, "Nlink");
ETERM * Size = erl_var_content(pattern2, "Size");
if(ERL_IS_INTEGER(Nlink) && ERL_IS_INTEGER(Mode) && ERL_IS_INTEGER(Size)){
stbuf->st_mode = S_IFREG | ERL_INT_VALUE(Mode); //permissions
stbuf->st_nlink = ERL_INT_VALUE(Nlink); //files only have 1
stbuf->st_size = ERL_INT_VALUE(Size); // length of the file
}else{
res = -ENOENT;
}
}else{
res = -ENOENT;
}
return res;
}
static int process_command(byte *buf)
{
int retval = 0;
ETERM *pattern, *tuple, *cmd, *port, *data;
pattern = erl_format("{Cmd, Port, Data}");
tuple = erl_decode(buf);
if (erl_match(pattern, tuple))
{
cmd = erl_var_content(pattern, "Cmd");
port = erl_var_content(pattern, "Port");
data = erl_var_content(pattern, "Data");
switch (ERL_INT_VALUE(cmd))
{
case CMD_AUTH:
retval = process_auth(port, data);
break;
case CMD_ACCT:
retval = process_acct(port, data);
break;
};
erl_free_term(cmd);
erl_free_term(port);
erl_free_term(data);
}
erl_free_term(pattern);
erl_free_term(tuple);
return retval;
}
static int hello_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
off_t offset, struct fuse_file_info *fi)
{
int res = 0;
ETERM * response = erl_rpc(FERL_DATA->erlang_fd,"gen_server","call",erl_format("[nefs,{read_dir,~s}]",path));
ETERM * pattern = erl_format("{ok,Listing}");
if(erl_match(pattern, response)) { //directory
ETERM * Tail = erl_var_content(pattern, "Listing");
if(ERL_IS_LIST(Tail)){
while(!ERL_IS_EMPTY_LIST(Tail)){
ETERM * elem = ERL_CONS_HEAD(Tail);
// add in the links to the previous folders
filler(buf, ".", NULL, 0);
filler(buf, "..", NULL, 0);
// add in the folders contents
if(ERL_IS_LIST(elem)){
filler(buf,(char *)ERL_BIN_PTR(elem),NULL,0);
}else{
res = -ENOENT;
break;
}
Tail = ERL_CONS_TAIL(Tail);
}
}else{
res = -ENOENT;
}
}else{
res = -ENOENT;
}
return res;
}
static int
process_command(unsigned char *buf)
{
int retval = 0;
ETERM *pattern, *tuple, *cmd, *port, *data;
pattern = erl_format("{Cmd, Port, Data}");
tuple = erl_decode(buf);
if (erl_match(pattern, tuple)) {
cmd = erl_var_content(pattern, "Cmd");
port = erl_var_content(pattern, "Port");
data = erl_var_content(pattern, "Data");
switch (ERL_INT_VALUE(cmd)) {
case CMD_SALT:
retval = process_encode_salt(port, data);
break;
case CMD_HASHPW:
retval = process_hashpw(port, data);
break;
};
erl_free_term(cmd);
erl_free_term(port);
erl_free_term(data);
}
erl_free_term(pattern);
erl_free_term(tuple);
return retval;
}
static int
process_encode_salt(ETERM *pid, ETERM *data)
{
int retval = 0;
ETERM *pattern, *cslt, *lr;
byte *csalt = NULL;
long log_rounds = -1;
int csaltlen = -1;
char ret[64];
pattern = erl_format("{Csalt, LogRounds}");
if (erl_match(pattern, data)) {
cslt = erl_var_content(pattern, "Csalt");
csaltlen = ERL_BIN_SIZE(cslt);
csalt = ERL_BIN_PTR(cslt);
lr = erl_var_content(pattern, "LogRounds");
log_rounds = ERL_INT_UVALUE(lr);
if (16 != csaltlen) {
retval = process_reply(pid, CMD_SALT, "Invalid salt length");
} else if (log_rounds < 4 || log_rounds > 31) {
retval = process_reply(pid, CMD_SALT, "Invalid number of rounds");
} else {
encode_salt(ret, (u_int8_t*)csalt, csaltlen, log_rounds);
retval = process_reply(pid, CMD_SALT, ret);
}
erl_free_term(cslt);
erl_free_term(lr);
};
erl_free_term(pattern);
return retval;
}
static int
process_hashpw(ETERM *pid, ETERM *data)
{
int retval = 0;
ETERM *pattern, *pwd, *slt;
char *password, *salt;
char *ret = NULL;
pattern = erl_format("{Pass, Salt}");
if (erl_match(pattern, data)) {
pwd = erl_var_content(pattern, "Pass");
password = erl_iolist_to_string(pwd);
slt = erl_var_content(pattern, "Salt");
salt = erl_iolist_to_string(slt);
if (NULL == (ret = bcrypt(password, salt)) ||
0 == strcmp(ret, ":")) {
retval = process_reply(pid, CMD_HASHPW, "Invalid salt");
} else {
retval = process_reply(pid, CMD_HASHPW, ret);
}
erl_free_term(pwd);
erl_free_term(slt);
erl_free(password);
erl_free(salt);
};
erl_free_term(pattern);
return retval;
}
static int process_auth(ETERM *pid, ETERM *data)
{
int retval = 0;
ETERM *pattern, *srv, *user, *pass;
char *service, *username, *password;
pattern = erl_format("{Srv, User, Pass}");
if (erl_match(pattern, data))
{
srv = erl_var_content(pattern, "Srv");
service = erl_iolist_to_string(srv);
user = erl_var_content(pattern, "User");
username = erl_iolist_to_string(user);
pass = erl_var_content(pattern, "Pass");
password = erl_iolist_to_string(pass);
retval = process_reply(pid, CMD_AUTH, auth(service, username, password));
erl_free_term(srv);
erl_free_term(user);
erl_free_term(pass);
erl_free(service);
erl_free(username);
erl_free(password);
};
erl_free_term(pattern);
return retval;
}
static int cmp_etseq(m_etseq *b1, m_etseq *b2)
{
int i;
if (b1->_length != b2->_length)
return 0;
for (i = 0; i < b1->_length; i++)
if (!erl_match(b1->_buffer[i], b2->_buffer[i]))
return 0;
return 1;
}
static int hello_open(const char *path, struct fuse_file_info *fi)
{
int res = 0;
ETERM * response = erl_rpc(FERL_DATA->erlang_fd,"gen_server","call",erl_format("[nefs,{open,~s,~i}]",path,fi->flags));
ETERM * pattern = erl_format("{ok,Fd}");
ETERM * pattern2 = erl_format("{error,access}");
if(erl_match(pattern, response)) {
ETERM * Fd_Pid = erl_var_content(pattern, "Fd");
if(ERL_IS_PID(Fd_Pid)){
fi->fh = Fd_Pid; //store off the file handle pid to be used in subsequent functions
}else{
res= -ENOENT;
}
}else if(erl_match(pattern2, response)){
res = -EACCES;
}else{
res = -ENOENT;
}
return res;
}
static int hello_read(const char *path, char *buf, size_t size, off_t offset,
struct fuse_file_info *fi)
{
int ret_bytes = 0;
ETERM * response = erl_rpc(FERL_DATA->erlang_fd,"file","pread",erl_format("[~s,{bof,~i},~i]",offset,size));
ETERM * pattern = erl_format("{ok,Data}");
if(erl_match(pattern, response)) {
ETERM * Data = erl_var_content(pattern, "Data");
if(ERL_IS_BINARY(Data)){
ret_bytes = ERL_BIN_SIZE(Data);
char * data = ERL_BIN_PTR(Data);
memcpy(buf,data,size); //copy the data over into the buffer
}
}
return ret_bytes;
}
void process_send(ErlMessage* emsg, int erl_fd)
{
ETERM* master_pattern = erl_format("{call, Pid, Cmd}");
if (erl_match(master_pattern, emsg->msg))
{
TRACE(("matched master pattern"));
process_call(master_pattern, erl_fd);
}
else
{
erl_err_msg("could not match the master pattern.");
}
TRACE(("leaving process_send"));
erl_free_term(master_pattern);
}
static int process_acct(ETERM *pid, ETERM *data)
{
int retval = 0;
ETERM *pattern, *srv, *user;
char *service, *username;
pattern = erl_format("{Srv, User}");
if (erl_match(pattern, data))
{
srv = erl_var_content(pattern, "Srv");
service = erl_iolist_to_string(srv);
user = erl_var_content(pattern, "User");
username = erl_iolist_to_string(user);
retval = process_reply(pid, CMD_ACCT, acct_mgmt(service, username));
erl_free_term(srv);
erl_free_term(user);
erl_free(service);
erl_free(username);
}
erl_free_term(pattern);
return retval;
}
static int
process_hashpw(ETERM *pid, ETERM *data)
{
int retval = 0;
ETERM *pattern, *pwd, *slt, *pwd_bin, *slt_bin;
char password[1024];
char salt[1024];
char encrypted[1024] = { 0 };
(void)memset(&password, '\0', sizeof(password));
(void)memset(&salt, '\0', sizeof(salt));
pattern = erl_format("{Pass, Salt}");
if (erl_match(pattern, data)) {
pwd = erl_var_content(pattern, "Pass");
pwd_bin = erl_iolist_to_binary(pwd);
slt = erl_var_content(pattern, "Salt");
slt_bin = erl_iolist_to_binary(slt);
if (ERL_BIN_SIZE(pwd_bin) > sizeof(password)) {
retval = process_reply(pid, CMD_HASHPW, "Password too long");
} else if (ERL_BIN_SIZE(slt_bin) > sizeof(salt)) {
retval = process_reply(pid, CMD_HASHPW, "Salt too long");
} else {
memcpy(password, ERL_BIN_PTR(pwd_bin), ERL_BIN_SIZE(pwd_bin));
memcpy(salt, ERL_BIN_PTR(slt_bin), ERL_BIN_SIZE(slt_bin));
if (bcrypt(encrypted, password, salt)) {
retval = process_reply(pid, CMD_HASHPW, "Invalid salt");
} else {
retval = process_reply(pid, CMD_HASHPW, encrypted);
}
}
erl_free_term(pwd);
erl_free_term(slt);
erl_free_term(pwd_bin);
erl_free_term(slt_bin);
};
erl_free_term(pattern);
return retval;
}
void process_call(ETERM* master_pattern, int erl_fd)
{
TRACE(("cnode called"));
ETERM* msg_frompid = erl_var_content(master_pattern, "Pid");
ETERM* msg_tuple = erl_var_content(master_pattern, "Cmd");
ETERM* response;
if (msg_frompid == NULL || msg_tuple == NULL)
{
erl_err_msg("could not get Pid or Cmd vars");
fprintf(stderr, "how do i erl_var_content lol\n");
return;
}
ETERM* init_cmd_pattern = erl_format("{init, Arg}");
if (erl_match(init_cmd_pattern, msg_tuple))
{
TRACE(("matched init command"));
process_init_cmd(init_cmd_pattern, erl_fd, msg_frompid);
}
else
{
erl_err_msg("got unknown function call.");
response = erl_format("{ecap_node, {error, {function_clause, ~w}}}", msg_tuple);
erl_send(erl_fd, msg_frompid, response);
}
TRACE(("cleaning up process call"));
erl_free_term(response);
erl_free_term(init_cmd_pattern);
//erl_free_term(msg_frompid); //this needs to be freed by the watcher, I think
erl_free_term(msg_tuple);
TRACE(("leaving process_call"));
}
static int cmp_et(m_et* b1, m_et *b2)
{
return erl_match(b1->e, b2->e) && b1->l == b2->l;
}
int main(void)
#endif
{
ei_x_buff eix;
int index = 0;
ETERM **etermpp = NULL, *etermp = NULL;
char *charp = NULL;
unsigned char uchar, **ucharpp = NULL, *ucharp = NULL;
void *voidp = NULL;
Erl_Heap *erl_heapp = NULL;
int intx = 0;
int *intp = NULL;
unsigned int uintx, *uintp;
unsigned long *ulongp = NULL;
long longx = 0;
double doublex = 0.0;
short shortx = 42;
FILE *filep = NULL;
Erl_IpAddr erl_ipaddr = NULL;
ErlMessage *erlmessagep = NULL;
ErlConnect *erlconnectp = NULL;
struct hostent *hostp = NULL;
struct in_addr *inaddrp = NULL;
/* Converion to erl_interface format is in liberl_interface */
intx = erl_errno;
ei_encode_term(charp, &index, voidp);
ei_x_encode_term(&eix, voidp);
ei_decode_term(charp, &index, voidp);
erl_init(voidp, longx);
erl_connect_init(intx, charp,shortx);
erl_connect_xinit(charp,charp,charp,erl_ipaddr,charp,shortx);
erl_connect(charp);
erl_xconnect(erl_ipaddr,charp);
erl_close_connection(intx);
erl_receive(intx, ucharp, intx);
erl_receive_msg(intx, ucharp, intx, erlmessagep);
erl_xreceive_msg(intx, ucharpp, intp, erlmessagep);
erl_send(intx, etermp, etermp);
erl_reg_send(intx, charp, etermp);
erl_rpc(intx,charp,charp,etermp);
erl_rpc_to(intx,charp,charp,etermp);
erl_rpc_from(intx,intx,erlmessagep);
erl_publish(intx);
erl_accept(intx,erlconnectp);
erl_thiscookie();
erl_thisnodename();
erl_thishostname();
erl_thisalivename();
erl_thiscreation();
erl_unpublish(charp);
erl_err_msg(charp);
erl_err_quit(charp);
erl_err_ret(charp);
erl_err_sys(charp);
erl_cons(etermp,etermp);
erl_copy_term(etermp);
erl_element(intx,etermp);
erl_hd(etermp);
erl_iolist_to_binary(etermp);
erl_iolist_to_string(etermp);
erl_iolist_length(etermp);
erl_length(etermp);
erl_mk_atom(charp);
erl_mk_binary(charp,intx);
erl_mk_empty_list();
erl_mk_estring(charp, intx);
erl_mk_float(doublex);
erl_mk_int(intx);
erl_mk_list(etermpp,intx);
erl_mk_pid(charp,uintx,uintx,uchar);
erl_mk_port(charp,uintx,uchar);
erl_mk_ref(charp,uintx,uchar);
erl_mk_long_ref(charp,uintx,uintx,uintx,uchar);
erl_mk_string(charp);
erl_mk_tuple(etermpp,intx);
erl_mk_uint(uintx);
erl_mk_var(charp);
erl_print_term(filep,etermp);
/* erl_sprint_term(charp,etermp); */
erl_size(etermp);
erl_tl(etermp);
erl_var_content(etermp, charp);
erl_format(charp);
erl_match(etermp, etermp);
erl_global_names(intx, intp);
erl_global_register(intx, charp, etermp);
erl_global_unregister(intx, charp);
erl_global_whereis(intx, charp, charp);
erl_init_malloc(erl_heapp,longx);
erl_alloc_eterm(uchar);
erl_eterm_release();
erl_eterm_statistics(ulongp,ulongp);
erl_free_array(etermpp,intx);
erl_free_term(etermp);
erl_free_compound(etermp);
erl_malloc(longx);
erl_free(voidp);
erl_compare_ext(ucharp, ucharp);
erl_decode(ucharp);
erl_decode_buf(ucharpp);
erl_encode(etermp,ucharp);
erl_encode_buf(etermp,ucharpp);
erl_ext_size(ucharp);
erl_ext_type(ucharp);
erl_peek_ext(ucharp,intx);
erl_term_len(etermp);
erl_gethostbyname(charp);
erl_gethostbyaddr(charp, intx, intx);
erl_gethostbyname_r(charp, hostp, charp, intx, intp);
erl_gethostbyaddr_r(charp, intx, intx, hostp, charp, intx, intp);
erl_init_resolve();
erl_distversion(intx);
erl_epmd_connect(inaddrp);
erl_epmd_port(inaddrp, charp, intp);
charp = ERL_ATOM_PTR(etermp);
intx = ERL_ATOM_SIZE(etermp);
ucharp = ERL_BIN_PTR(etermp);
intx = ERL_BIN_SIZE(etermp);
etermp = ERL_CONS_HEAD(etermp);
etermp = ERL_CONS_TAIL(etermp);
intx = ERL_COUNT(etermp);
doublex= ERL_FLOAT_VALUE(etermp);
uintx = ERL_INT_UVALUE(etermp);
intx = ERL_INT_VALUE(etermp);
intx = ERL_IS_ATOM(etermp);
intx = ERL_IS_BINARY(etermp);
intx = ERL_IS_CONS(etermp);
intx = ERL_IS_EMPTY_LIST(etermp);
intx = ERL_IS_FLOAT(etermp);
intx = ERL_IS_INTEGER(etermp);
intx = ERL_IS_LIST(etermp);
intx = ERL_IS_PID(etermp);
intx = ERL_IS_PORT(etermp);
intx = ERL_IS_REF(etermp);
intx = ERL_IS_TUPLE(etermp);
intx = ERL_IS_UNSIGNED_INTEGER(etermp);
uchar = ERL_PID_CREATION(etermp);
charp = ERL_PID_NODE(etermp);
uintx = ERL_PID_NUMBER(etermp);
uintx = ERL_PID_SERIAL(etermp);
uchar = ERL_PORT_CREATION(etermp);
charp = ERL_PORT_NODE(etermp);
uintx = ERL_PORT_NUMBER(etermp);
uchar = ERL_REF_CREATION(etermp);
intx = ERL_REF_LEN(etermp);
charp = ERL_REF_NODE(etermp);
uintx = ERL_REF_NUMBER(etermp);
uintp = ERL_REF_NUMBERS(etermp);
etermp = ERL_TUPLE_ELEMENT(etermp,intx);
intx = ERL_TUPLE_SIZE(etermp);
return
BUFSIZ +
EAGAIN +
EHOSTUNREACH +
EINVAL +
EIO +
EMSGSIZE +
ENOMEM +
ERL_ATOM +
ERL_BINARY +
ERL_ERROR +
ERL_EXIT +
ERL_FLOAT +
ERL_INTEGER +
ERL_LINK +
ERL_LIST +
ERL_MSG +
ERL_NO_TIMEOUT +
ERL_PID +
ERL_PORT +
ERL_REF +
ERL_REG_SEND +
ERL_SEND +
ERL_SMALL_BIG +
ERL_TICK +
ERL_TIMEOUT +
ERL_TUPLE +
ERL_UNLINK +
ERL_U_INTEGER +
ERL_U_SMALL_BIG +
ERL_VARIABLE +
ETIMEDOUT +
MAXNODELEN +
MAXREGLEN;
}