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#include <stdlib.h>
#include <stdio.h>
#include <sys/socket.h>
#include "handlers.h"
#include "packet.h"
#include "netascii.h"
void *read_req_resp(void *args) {
char fname[768];
memset(fname, '\0', sizeof(fname));
for (int i = 0; ((*(nbd_nbtpd_args *)args).path[i] != 0) && (i < 768); i++) {
if (is_netascii_char((*(nbd_nbtpd_args *)args).path[i])) {
fname[i] = (*(nbd_nbtpd_args *)args).path[i];
} else {
(*(nbd_nbtpd_args *)args).err = 1;
return nbd_nbtpd_resp_error(args);
}
}
char mode[32];
memset(mode, '\0', sizeof(mode));
for (int i = 0; ((*(nbd_nbtpd_args *)args).mode[i] != 0) && (i < 32); i++) {
if (is_netascii_char((*(nbd_nbtpd_args *)args).mode[i])) {
mode[i] = (*(nbd_nbtpd_args *)args).mode[i];
} else {
(*(nbd_nbtpd_args *)args).err = 4;
return nbd_nbtpd_resp_error(args);
}
}
FILE fp;
switch (mode) {
// This server responds only in octet mode, regardless of requested mode.
case "netascii": case "octet":
fp = fopen("./" fname, "r");
if (fp == NULL) {
(*(nbd_nbtpd_args *)args).err = 1;
return nbd_nbtpd_resp_error(args);
}
break;
// this server does not support mail mode. This is still compliant
// with RFC1350, ironically enough.
case "mail": default:
(*(nbd_nbtpd_args *)args).err = 4;
return nbd_nbtpd_resp_error(args);
}
//TODO: make new socket and go into main loop
free(args);
return (void *)NULL;
}
void *write_req_resp(void *args) {
char fname[768];
memset(fname, '\0', sizeof(fname));
for (int i = 0; ((*(nbd_nbtpd_args *)args).path[i] != 0) && (i < 768); i++) {
if (is_netascii_char((*(nbd_nbtpd_args *)args).path[i])) {
fname[i] = (*(nbd_nbtpd_args *)args).path[i];
} else {
(*(nbd_nbtpd_args *)args).err = 1;
return nbd_nbtpd_resp_error(args);
}
}
char mode[32];
memset(mode, '\0', sizeof(mode));
for (int i = 0; ((*(nbd_nbtpd_args *)args).mode[i] != 0) && (i < 32); i++) {
if (is_netascii_char((*(nbd_nbtpd_args *)args).mode[i])) {
mode[i] = (*(nbd_nbtpd_args *)args).mode[i];
} else {
(*(nbd_nbtpd_args *)args).err = 4;
return nbd_nbtpd_resp_error(args);
}
}
FILE fp;
switch (mode) {
// This server responds only in octet mode, regardless of requested mode.
case "netascii": case "octet":
fp = fopen("./" fname, "r");
if (fp == NULL) {
(*(nbd_nbtpd_args *)args).err = 1;
return nbd_nbtpd_resp_error(args);
}
break;
// this server does not support mail mode. This is still compliant
// with RFC1350, ironically enough.
case "mail": default:
(*(nbd_nbtpd_args *)args).err = 4;
return nbd_nbtpd_resp_error(args);
}
//TODO: make new socket and go into main loop
free(args);
return (void *)NULL;
}
void *nbd_nbtpd_resp_error(void *args) {
//TODO: open socket and scream error, then cleanup.
free(args);
return (void *)NULL;
}
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