#include "gnunet_util_lib.h"
#include "plugin_transport_wlan.h"
#include "gnunet_common.h"
-#include "gnunet-transport-wlan-helper.h"
+//#include "gnunet-transport-wlan-helper.h"
#include "gnunet_crypto_lib.h"
#include "wlan/loopback_helper.h"
#include "wlan/helper_common.h"
-int first;
+static int first;
static void
-sigfunc(int sig)
+sigfunc (int sig)
{
closeprog = 1;
- unlink(FIFO_FILE1);
- unlink(FIFO_FILE2);
+ unlink (FIFO_FILE1);
+ unlink (FIFO_FILE2);
}
static void
-stdin_send(void *cls, void *client, const struct GNUNET_MessageHeader *hdr)
+stdin_send (void *cls, void *client, const struct GNUNET_MessageHeader *hdr)
{
struct sendbuf *write_pout = cls;
int sendsize;
struct GNUNET_MessageHeader newheader;
- unsigned char * from_data;
- unsigned char * to_data;
- //unsigned char * from_radiotap;
- unsigned char * to_radiotap;
- //unsigned char * from_start;
- unsigned char * to_start;
-
- sendsize = ntohs(hdr->size) - sizeof(struct Radiotap_Send)
- + sizeof(struct Radiotap_rx);
-
- if (GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA != ntohs(hdr->type))
- {
- fprintf(stderr, "Function stdin_send: wrong packet type\n");
- exit(1);
- }
+ char *to_data;
+ char *to_radiotap;
+ char *to_start;
+
+ sendsize =
+ ntohs (hdr->size) - sizeof (struct Radiotap_Send) +
+ sizeof (struct Radiotap_rx);
+
+ if (GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA != ntohs (hdr->type))
+ {
+ fprintf (stderr, "Function stdin_send: wrong packet type\n");
+ exit (1);
+ }
if ((sendsize + write_pout->size) > MAXLINE * 2)
- {
- fprintf(stderr, "Function stdin_send: Packet too big for buffer\n");
- exit(1);
- }
+ {
+ fprintf (stderr, "Function stdin_send: Packet too big for buffer\n");
+ exit (1);
+ }
- newheader.size = htons(sendsize);
- newheader.type = htons(GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA);
+ newheader.size = htons (sendsize);
+ newheader.type = htons (GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA);
to_start = write_pout->buf + write_pout->size;
- to_radiotap = to_start + sizeof(struct GNUNET_MessageHeader);
- to_data = to_radiotap + sizeof(struct Radiotap_rx);
-
- from_data = ((unsigned char *) hdr) + sizeof(struct Radiotap_Send)
- + sizeof(struct GNUNET_MessageHeader);
-
- memcpy(to_start, &newheader, sizeof(struct GNUNET_MessageHeader));
- write_pout->size += sizeof(struct GNUNET_MessageHeader);
-
- write_pout->size += sizeof(struct Radiotap_rx);
-
- memcpy(to_data, from_data, ntohs(hdr->size) - sizeof(struct Radiotap_Send)
- - sizeof(struct GNUNET_MessageHeader));
- write_pout->size += ntohs(hdr->size) - sizeof(struct Radiotap_Send)
- - sizeof(struct GNUNET_MessageHeader);
+ memcpy (to_start, &newheader, sizeof (struct GNUNET_MessageHeader));
+ write_pout->size += sizeof (struct GNUNET_MessageHeader);
+
+ to_radiotap = to_start + sizeof (struct GNUNET_MessageHeader);
+ memset (to_radiotap, 0, sizeof (struct Radiotap_rx));
+ write_pout->size += sizeof (struct Radiotap_rx);
+
+ to_data = to_radiotap + sizeof (struct Radiotap_rx);
+ memcpy (to_data,
+ ((char *) hdr) + sizeof (struct Radiotap_Send) +
+ sizeof (struct GNUNET_MessageHeader),
+ ntohs (hdr->size) - sizeof (struct Radiotap_Send) -
+ sizeof (struct GNUNET_MessageHeader));
+ write_pout->size +=
+ ntohs (hdr->size) - sizeof (struct Radiotap_Send) -
+ sizeof (struct GNUNET_MessageHeader);
}
static void
-file_in_send(void *cls, void *client, const struct GNUNET_MessageHeader *hdr)
+file_in_send (void *cls, void *client, const struct GNUNET_MessageHeader *hdr)
{
- struct sendbuf * write_std = cls;
+ struct sendbuf *write_std = cls;
uint16_t sendsize;
- sendsize = ntohs(hdr->size);
+ sendsize = ntohs (hdr->size);
- if (GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA != ntohs(hdr->type))
- {
- fprintf(stderr, "Function file_in_send: wrong packet type\n");
- exit(1);
- }
+ if (GNUNET_MESSAGE_TYPE_WLAN_HELPER_DATA != ntohs (hdr->type))
+ {
+ fprintf (stderr, "Function file_in_send: wrong packet type\n");
+ exit (1);
+ }
if ((sendsize + write_std->size) > MAXLINE * 2)
- {
- fprintf(stderr, "Function file_in_send: Packet too big for buffer\n");
- exit(1);
- }
+ {
+ fprintf (stderr, "Function file_in_send: Packet too big for buffer\n");
+ exit (1);
+ }
- memcpy(write_std->buf + write_std->size, hdr, sendsize);
+ memcpy (write_std->buf + write_std->size, hdr, sendsize);
write_std->size += sendsize;
}
int
-testmode(int argc, char *argv[])
+testmode (int argc, char *argv[])
{
struct stat st;
int erg;
int fdpout;
//make the fifos if needed
- if (0 != stat(FIFO_FILE1, &st))
+ if (0 != stat (FIFO_FILE1, &st))
+ {
+ if (0 == stat (FIFO_FILE2, &st))
{
- if (0 == stat(FIFO_FILE2, &st))
- {
- fprintf(stderr, "FIFO_FILE2 exists, but FIFO_FILE1 not\n");
- exit(1);
- }
-
- umask(0);
- //unlink(FIFO_FILE1);
- //unlink(FIFO_FILE2);
- // FIXME: use mkfifo!
- erg = mknod(FIFO_FILE1, S_IFIFO | 0666, 0);
- if (0 != erg)
- {
- fprintf(stderr, "Error at mknode1 \n");
- //exit(1);
- }
- erg = mknod(FIFO_FILE2, S_IFIFO | 0666, 0);
- if (0 != erg)
- {
- fprintf(stderr, "Error at mknode2 \n");
- //exit(1);
- }
+ fprintf (stderr, "FIFO_FILE2 exists, but FIFO_FILE1 not\n");
+ exit (1);
+ }
+ umask (0);
+ //unlink(FIFO_FILE1);
+ //unlink(FIFO_FILE2);
+ // FIXME: use mkfifo!
+ erg = mkfifo (FIFO_FILE1, 0666);
+ if (0 != erg)
+ {
+ fprintf (stderr, "Error at mkfifo1: %s\n", strerror (errno));
+ //exit(1);
}
- else
+ erg = mkfifo (FIFO_FILE2, 0666);
+ if (0 != erg)
{
+ fprintf (stderr, "Error at mkfifo2: %s\n", strerror (errno));
+ //exit(1);
+ }
- if (0 != stat(FIFO_FILE2, &st))
- {
- fprintf(stderr, "FIFO_FILE1 exists, but FIFO_FILE2 not\n");
- exit(1);
- }
+ }
+ else
+ {
+ if (0 != stat (FIFO_FILE2, &st))
+ {
+ fprintf (stderr, "FIFO_FILE1 exists, but FIFO_FILE2 not\n");
+ exit (1);
}
- if (strstr(argv[1], "1"))
- {
- //fprintf(stderr, "First\n");
- first = 1;
- fpin = fopen(FIFO_FILE1, "r");
- if (NULL == fpin)
- {
- fprintf(stderr, "fopen of read FIFO_FILE1\n");
- goto end;
- }
- fpout = fopen(FIFO_FILE2, "w");
- if (NULL == fpout)
- {
- fprintf(stderr, "fopen of write FIFO_FILE2\n");
- goto end;
- }
+ }
+ if (strstr (argv[1], "1"))
+ {
+ //fprintf(stderr, "First\n");
+ first = 1;
+ fpin = fopen (FIFO_FILE1, "r");
+ if (NULL == fpin)
+ {
+ fprintf (stderr, "fopen of read FIFO_FILE1\n");
+ goto end;
}
- else
+ fpout = fopen (FIFO_FILE2, "w");
+ if (NULL == fpout)
{
- first = 0;
- //fprintf(stderr, "Second\n");
- fpout = fopen(FIFO_FILE1, "w");
- if (NULL == fpout)
- {
- fprintf(stderr, "fopen of write FIFO_FILE1\n");
- goto end;
- }
- fpin = fopen(FIFO_FILE2, "r");
- if (NULL == fpin)
- {
- fprintf(stderr, "fopen of read FIFO_FILE2\n");
- goto end;
- }
-
+ fprintf (stderr, "fopen of write FIFO_FILE2\n");
+ goto end;
}
- fdpin = fileno(fpin);
- GNUNET_assert(fpin >= 0);
-
- if (fdpin >= FD_SETSIZE)
+ }
+ else
+ {
+ first = 0;
+ //fprintf(stderr, "Second\n");
+ fpout = fopen (FIFO_FILE1, "w");
+ if (NULL == fpout)
+ {
+ fprintf (stderr, "fopen of write FIFO_FILE1\n");
+ goto end;
+ }
+ fpin = fopen (FIFO_FILE2, "r");
+ if (NULL == fpin)
{
- fprintf(stderr, "File fdpin number too large (%d > %u)\n", fdpin,
- (unsigned int) FD_SETSIZE);
+ fprintf (stderr, "fopen of read FIFO_FILE2\n");
goto end;
}
- fdpout = fileno(fpout);
- GNUNET_assert(fdpout >= 0 );
+ }
+
+ fdpin = fileno (fpin);
+ GNUNET_assert (fpin >= 0);
+
+ if (fdpin >= FD_SETSIZE)
+ {
+ fprintf (stderr, "File fdpin number too large (%d > %u)\n", fdpin,
+ (unsigned int) FD_SETSIZE);
+ goto end;
+ }
+
+ fdpout = fileno (fpout);
+ GNUNET_assert (fdpout >= 0);
if (fdpout >= FD_SETSIZE)
- {
- fprintf(stderr, "File fdpout number too large (%d > %u)\n", fdpout,
- (unsigned int) FD_SETSIZE);
- goto end;
+ {
+ fprintf (stderr, "File fdpout number too large (%d > %u)\n", fdpout,
+ (unsigned int) FD_SETSIZE);
+ goto end;
- }
+ }
- signal(SIGINT, &sigfunc);
- signal(SIGTERM, &sigfunc);
+ signal (SIGINT, &sigfunc);
+ signal (SIGTERM, &sigfunc);
char readbuf[MAXLINE];
int readsize = 0;
struct sendbuf write_std;
+
write_std.size = 0;
write_std.pos = 0;
struct sendbuf write_pout;
+
write_pout.size = 0;
write_pout.pos = 0;
struct timeval tv;
int retval;
- struct GNUNET_SERVER_MessageStreamTokenizer * stdin_mst;
- struct GNUNET_SERVER_MessageStreamTokenizer * file_in_mst;
+ struct GNUNET_SERVER_MessageStreamTokenizer *stdin_mst;
+ struct GNUNET_SERVER_MessageStreamTokenizer *file_in_mst;
- stdin_mst = GNUNET_SERVER_mst_create(&stdin_send, &write_pout);
- file_in_mst = GNUNET_SERVER_mst_create(&file_in_send, &write_std);
+ stdin_mst = GNUNET_SERVER_mst_create (&stdin_send, &write_pout);
+ file_in_mst = GNUNET_SERVER_mst_create (&file_in_send, &write_std);
//send mac first
macaddr.mac[1] = 0x22;
macaddr.mac[2] = 0x33;
macaddr.mac[3] = 0x44;
- macaddr.mac[4] = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_STRONG, 256);
- macaddr.mac[5] = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_NONCE, 256);
+ macaddr.mac[4] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_STRONG, 256);
+ macaddr.mac[5] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_NONCE, 256);
- write_std.size = send_mac_to_plugin((char *) write_std.buf, macaddr.mac);
+ write_std.size = send_mac_to_plugin (write_std.buf, macaddr.mac);
while (0 == closeprog)
- {
-
- maxfd = 0;
+ {
- //set timeout
- tv.tv_sec = 5;
- tv.tv_usec = 0;
+ maxfd = 0;
- FD_ZERO(&rfds);
- // if output queue is empty
- if (0 == write_pout.size)
- {
- FD_SET(STDIN_FILENO, &rfds);
+ //set timeout
+ tv.tv_sec = 5;
+ tv.tv_usec = 0;
- }
- if (0 == write_std.size)
- {
- FD_SET(fdpin, &rfds);
- maxfd = fdpin;
- }
- FD_ZERO(&wfds);
- // if there is something to write
- if (0 < write_std.size)
- {
- FD_SET(STDOUT_FILENO, &wfds);
- maxfd = MAX(maxfd, STDOUT_FILENO);
- }
+ FD_ZERO (&rfds);
+ // if output queue is empty
+ if (0 == write_pout.size)
+ {
+ FD_SET (STDIN_FILENO, &rfds);
- if (0 < write_pout.size)
- {
- FD_SET(fdpout, &wfds);
- maxfd = MAX(maxfd, fdpout);
- }
+ }
+ if (0 == write_std.size)
+ {
+ FD_SET (fdpin, &rfds);
+ maxfd = fdpin;
+ }
+ FD_ZERO (&wfds);
+ // if there is something to write
+ if (0 < write_std.size)
+ {
+ FD_SET (STDOUT_FILENO, &wfds);
+ maxfd = MAX (maxfd, STDOUT_FILENO);
+ }
- retval = select(maxfd + 1, &rfds, &wfds, NULL, &tv);
+ if (0 < write_pout.size)
+ {
+ FD_SET (fdpout, &wfds);
+ maxfd = MAX (maxfd, fdpout);
+ }
- if (-1 == retval && EINTR == errno)
- {
- continue;
- }
- if (0 > retval)
- {
- fprintf(stderr, "select failed: %s\n", strerror(errno));
- closeprog = 1;
- break;
- }
+ retval = select (maxfd + 1, &rfds, &wfds, NULL, &tv);
- if (FD_ISSET(STDOUT_FILENO, &wfds))
- {
- ret = write(STDOUT_FILENO, write_std.buf + write_std.pos,
- write_std.size - write_std.pos);
-
- if (0 > ret)
- {
- closeprog = 1;
- fprintf(stderr, "Write ERROR to STDOUT\n");
- break;
- }
- else
- {
- write_std.pos += ret;
- // check if finished
- if (write_std.pos == write_std.size)
- {
- write_std.pos = 0;
- write_std.size = 0;
- }
- }
- }
+ if (-1 == retval && EINTR == errno)
+ {
+ continue;
+ }
+ if (0 > retval)
+ {
+ fprintf (stderr, "select failed: %s\n", strerror (errno));
+ closeprog = 1;
+ break;
+ }
- if (FD_ISSET(fdpout, &wfds))
+ if (FD_ISSET (STDOUT_FILENO, &wfds))
+ {
+ ret =
+ write (STDOUT_FILENO, write_std.buf + write_std.pos,
+ write_std.size - write_std.pos);
+ if (0 > ret)
+ {
+ closeprog = 1;
+ fprintf (stderr, "Write ERROR to STDOUT\n");
+ break;
+ }
+ else
+ {
+ write_std.pos += ret;
+ // check if finished
+ if (write_std.pos == write_std.size)
{
- ret = write(fdpout, write_pout.buf + write_pout.pos, write_pout.size
- - write_pout.pos);
-
- if (0 > ret)
- {
- closeprog = 1;
- fprintf(stderr, "Write ERROR to fdpout\n");
- }
- else
- {
- write_pout.pos += ret;
- // check if finished
- if (write_pout.pos == write_pout.size)
- {
- write_pout.pos = 0;
- write_pout.size = 0;
- }
- }
+ write_std.pos = 0;
+ write_std.size = 0;
}
+ }
+ }
- if (FD_ISSET(STDIN_FILENO, &rfds))
+ if (FD_ISSET (fdpout, &wfds))
+ {
+ ret =
+ write (fdpout, write_pout.buf + write_pout.pos,
+ write_pout.size - write_pout.pos);
+
+ if (0 > ret)
+ {
+ closeprog = 1;
+ fprintf (stderr, "Write ERROR to fdpout\n");
+ }
+ else
+ {
+ write_pout.pos += ret;
+ // check if finished
+ if (write_pout.pos == write_pout.size)
{
- readsize = read(STDIN_FILENO, readbuf, sizeof(readbuf));
-
- if (0 > readsize)
- {
- closeprog = 1;
- fprintf(stderr, "Read ERROR to STDIN_FILENO\n");
- }
- else if (0 < readsize)
- {
- GNUNET_SERVER_mst_receive(stdin_mst, NULL, readbuf, readsize,
- GNUNET_NO, GNUNET_NO);
-
- }
- else
- {
- //eof
- closeprog = 1;
- }
+ write_pout.pos = 0;
+ write_pout.size = 0;
}
+ }
+ }
- if (FD_ISSET(fdpin, &rfds))
- {
- readsize = read(fdpin, readbuf, sizeof(readbuf));
-
- if (0 > readsize)
- {
- closeprog = 1;
- fprintf(stderr, "Read ERROR to fdpin: %s\n", strerror(errno));
- break;
- }
- else if (0 < readsize)
- {
- GNUNET_SERVER_mst_receive(file_in_mst, NULL, readbuf, readsize,
- GNUNET_NO, GNUNET_NO);
-
- }
- else
- {
- //eof
- closeprog = 1;
- }
- }
+ if (FD_ISSET (STDIN_FILENO, &rfds))
+ {
+ readsize = read (STDIN_FILENO, readbuf, sizeof (readbuf));
+
+ if (0 > readsize)
+ {
+ closeprog = 1;
+ fprintf (stderr, "Read ERROR to STDIN_FILENO\n");
+ }
+ else if (0 < readsize)
+ {
+ GNUNET_SERVER_mst_receive (stdin_mst, NULL, readbuf, readsize,
+ GNUNET_NO, GNUNET_NO);
+
+ }
+ else
+ {
+ //eof
+ closeprog = 1;
+ }
+ }
+ if (FD_ISSET (fdpin, &rfds))
+ {
+ readsize = read (fdpin, readbuf, sizeof (readbuf));
+
+ if (0 > readsize)
+ {
+ closeprog = 1;
+ fprintf (stderr, "Read ERROR to fdpin: %s\n", strerror (errno));
+ break;
+ }
+ else if (0 < readsize)
+ {
+ GNUNET_SERVER_mst_receive (file_in_mst, NULL, readbuf, readsize,
+ GNUNET_NO, GNUNET_NO);
+
+ }
+ else
+ {
+ //eof
+ closeprog = 1;
+ }
}
+ }
+
//clean up
- GNUNET_SERVER_mst_destroy(stdin_mst);
- GNUNET_SERVER_mst_destroy(file_in_mst);
+ GNUNET_SERVER_mst_destroy (stdin_mst);
+ GNUNET_SERVER_mst_destroy (file_in_mst);
- end: if (fpout != NULL)
- fclose(fpout);
+end:if (fpout != NULL)
+ fclose (fpout);
if (fpin != NULL)
- fclose(fpin);
+ fclose (fpin);
if (1 == first)
- {
- unlink(FIFO_FILE1);
- unlink(FIFO_FILE2);
- }
+ {
+ unlink (FIFO_FILE1);
+ unlink (FIFO_FILE2);
+ }
return (0);
}
int
-main(int argc, char *argv[])
+main (int argc, char *argv[])
{
if (2 != argc)
- {
- fprintf (stderr,
- "This program must be started with the operating mode as argument.\n");
- fprintf (stderr,
- "Usage: options\n"
- "options:\n"
- "1 = first loopback file\n"
- "2 = second loopback file\n"
- "\n");
- return 1;
- }
- if (strstr(argv[1], "1") || strstr(argv[1], "2"))
- return testmode(argc, argv);
+ {
+ fprintf (stderr,
+ "This program must be started with the operating mode as argument.\n");
+ fprintf (stderr,
+ "Usage: options\n" "options:\n" "1 = first loopback file\n"
+ "2 = second loopback file\n" "\n");
+ return 1;
+ }
+ if (strstr (argv[1], "1") || strstr (argv[1], "2"))
+ return testmode (argc, argv);
return 1;
}