Revision 0d62c4cf
| b/slirp/debug.c | ||
|---|---|---|
| 9 | 9 |
#include <slirp.h> |
| 10 | 10 |
|
| 11 | 11 |
FILE *dfd = NULL; |
| 12 |
#ifdef DEBUG |
|
| 13 |
int dostats = 1; |
|
| 14 |
#else |
|
| 15 |
int dostats = 0; |
|
| 16 |
#endif |
|
| 17 | 12 |
int slirp_debug = 0; |
| 18 | 13 |
|
| 19 |
/* Carry over one item from main.c so that the tty's restored. |
|
| 20 |
* Only done when the tty being used is /dev/tty --RedWolf */ |
|
| 21 |
#ifndef CONFIG_QEMU |
|
| 22 |
extern struct termios slirp_tty_settings; |
|
| 23 |
extern int slirp_tty_restore; |
|
| 24 |
|
|
| 25 |
|
|
| 26 |
void |
|
| 27 |
debug_init(file, dbg) |
|
| 28 |
char *file; |
|
| 29 |
int dbg; |
|
| 30 |
{
|
|
| 31 |
/* Close the old debugging file */ |
|
| 32 |
if (dfd) |
|
| 33 |
fclose(dfd); |
|
| 34 |
|
|
| 35 |
dfd = fopen(file,"w"); |
|
| 36 |
if (dfd != NULL) {
|
|
| 37 |
#if 0 |
|
| 38 |
fprintf(dfd,"Slirp %s - Debugging Started.\n", SLIRP_VERSION); |
|
| 39 |
#endif |
|
| 40 |
fprintf(dfd,"Debugging Started level %i.\r\n",dbg); |
|
| 41 |
fflush(dfd); |
|
| 42 |
slirp_debug = dbg; |
|
| 43 |
} else {
|
|
| 44 |
lprint("Error: Debugging file \"%s\" could not be opened: %s\r\n",
|
|
| 45 |
file, strerror(errno)); |
|
| 46 |
} |
|
| 47 |
} |
|
| 48 |
|
|
| 49 |
/* |
|
| 50 |
* Dump a packet in the same format as tcpdump -x |
|
| 51 |
*/ |
|
| 52 |
#ifdef DEBUG |
|
| 53 |
void |
|
| 54 |
dump_packet(dat, n) |
|
| 55 |
void *dat; |
|
| 56 |
int n; |
|
| 57 |
{
|
|
| 58 |
u_char *pptr = (u_char *)dat; |
|
| 59 |
int j,k; |
|
| 60 |
|
|
| 61 |
n /= 16; |
|
| 62 |
n++; |
|
| 63 |
DEBUG_MISC((dfd, "PACKET DUMPED: \n")); |
|
| 64 |
for(j = 0; j < n; j++) {
|
|
| 65 |
for(k = 0; k < 6; k++) |
|
| 66 |
DEBUG_MISC((dfd, "%02x ", *pptr++)); |
|
| 67 |
DEBUG_MISC((dfd, "\n")); |
|
| 68 |
fflush(dfd); |
|
| 69 |
} |
|
| 70 |
} |
|
| 71 |
#endif |
|
| 72 |
#endif |
|
| 73 |
|
|
| 74 | 14 |
#ifdef LOG_ENABLED |
| 75 |
#if 0 |
|
| 76 |
/* |
|
| 77 |
* Statistic routines |
|
| 78 |
* |
|
| 79 |
* These will print statistics to the screen, the debug file (dfd), or |
|
| 80 |
* a buffer, depending on "type", so that the stats can be sent over |
|
| 81 |
* the link as well. |
|
| 82 |
*/ |
|
| 83 |
|
|
| 84 |
static void |
|
| 85 |
ttystats(ttyp) |
|
| 86 |
struct ttys *ttyp; |
|
| 87 |
{
|
|
| 88 |
struct slirp_ifstats *is = &ttyp->ifstats; |
|
| 89 |
char buff[512]; |
|
| 90 |
|
|
| 91 |
lprint(" \r\n");
|
|
| 92 |
|
|
| 93 |
if (IF_COMP & IF_COMPRESS) |
|
| 94 |
strcpy(buff, "on"); |
|
| 95 |
else if (IF_COMP & IF_NOCOMPRESS) |
|
| 96 |
strcpy(buff, "off"); |
|
| 97 |
else |
|
| 98 |
strcpy(buff, "off (for now)"); |
|
| 99 |
lprint("Unit %d:\r\n", ttyp->unit);
|
|
| 100 |
lprint(" using %s encapsulation (VJ compression is %s)\r\n", (
|
|
| 101 |
#ifdef USE_PPP |
|
| 102 |
ttyp->proto==PROTO_PPP?"PPP": |
|
| 103 |
#endif |
|
| 104 |
"SLIP"), buff); |
|
| 105 |
lprint(" %d baudrate\r\n", ttyp->baud);
|
|
| 106 |
lprint(" interface is %s\r\n", ttyp->up?"up":"down");
|
|
| 107 |
lprint(" using fd %d, guardian pid is %d\r\n", ttyp->fd, ttyp->pid);
|
|
| 108 |
#ifndef FULL_BOLT |
|
| 109 |
lprint(" towrite is %d bytes\r\n", ttyp->towrite);
|
|
| 110 |
#endif |
|
| 111 |
if (ttyp->zeros) |
|
| 112 |
lprint(" %d zeros have been typed\r\n", ttyp->zeros);
|
|
| 113 |
else if (ttyp->ones) |
|
| 114 |
lprint(" %d ones have been typed\r\n", ttyp->ones);
|
|
| 115 |
lprint("Interface stats:\r\n");
|
|
| 116 |
lprint(" %6d output packets sent (%d bytes)\r\n", is->out_pkts, is->out_bytes);
|
|
| 117 |
lprint(" %6d output packets dropped (%d bytes)\r\n", is->out_errpkts, is->out_errbytes);
|
|
| 118 |
lprint(" %6d input packets received (%d bytes)\r\n", is->in_pkts, is->in_bytes);
|
|
| 119 |
lprint(" %6d input packets dropped (%d bytes)\r\n", is->in_errpkts, is->in_errbytes);
|
|
| 120 |
lprint(" %6d bad input packets\r\n", is->in_mbad);
|
|
| 121 |
} |
|
| 122 |
|
|
| 123 |
static void |
|
| 124 |
allttystats(void) |
|
| 125 |
{
|
|
| 126 |
struct ttys *ttyp; |
|
| 127 |
|
|
| 128 |
for (ttyp = ttys; ttyp; ttyp = ttyp->next) |
|
| 129 |
ttystats(ttyp); |
|
| 130 |
} |
|
| 131 |
#endif |
|
| 132 |
|
|
| 133 | 15 |
static void |
| 134 | 16 |
ipstats(void) |
| 135 | 17 |
{
|
| ... | ... | |
| 154 | 36 |
lprint(" %6d total packets delivered\r\n", ipstat.ips_delivered);
|
| 155 | 37 |
} |
| 156 | 38 |
|
| 157 |
#ifndef CONFIG_QEMU |
|
| 158 |
static void |
|
| 159 |
vjstats(void) |
|
| 160 |
{
|
|
| 161 |
lprint(" \r\n");
|
|
| 162 |
|
|
| 163 |
lprint("VJ compression stats:\r\n");
|
|
| 164 |
|
|
| 165 |
lprint(" %6d outbound packets (%d compressed)\r\n",
|
|
| 166 |
comp_s.sls_packets, comp_s.sls_compressed); |
|
| 167 |
lprint(" %6d searches for connection stats (%d misses)\r\n",
|
|
| 168 |
comp_s.sls_searches, comp_s.sls_misses); |
|
| 169 |
lprint(" %6d inbound uncompressed packets\r\n", comp_s.sls_uncompressedin);
|
|
| 170 |
lprint(" %6d inbound compressed packets\r\n", comp_s.sls_compressedin);
|
|
| 171 |
lprint(" %6d inbound unknown type packets\r\n", comp_s.sls_errorin);
|
|
| 172 |
lprint(" %6d inbound packets tossed due to error\r\n", comp_s.sls_tossed);
|
|
| 173 |
} |
|
| 174 |
#endif |
|
| 175 |
|
|
| 176 | 39 |
static void |
| 177 | 40 |
tcpstats(void) |
| 178 | 41 |
{
|
| ... | ... | |
| 234 | 97 |
lprint(" %6d correct ACK header predictions\r\n", tcpstat.tcps_predack);
|
| 235 | 98 |
lprint(" %6d correct data packet header predictions\n", tcpstat.tcps_preddat);
|
| 236 | 99 |
lprint(" %6d TCP cache misses\r\n", tcpstat.tcps_socachemiss);
|
| 237 |
|
|
| 238 |
|
|
| 239 |
/* lprint(" Packets received too short: %d\r\n", tcpstat.tcps_rcvshort); */
|
|
| 240 |
/* lprint(" Segments dropped due to PAWS: %d\r\n", tcpstat.tcps_pawsdrop); */
|
|
| 241 |
|
|
| 242 | 100 |
} |
| 243 | 101 |
|
| 244 | 102 |
static void |
| ... | ... | |
| 293 | 151 |
} |
| 294 | 152 |
#endif |
| 295 | 153 |
|
| 296 |
#ifndef CONFIG_QEMU |
|
| 297 |
void |
|
| 298 |
slirp_exit(exit_status) |
|
| 299 |
int exit_status; |
|
| 300 |
{
|
|
| 301 |
struct ttys *ttyp; |
|
| 302 |
|
|
| 303 |
DEBUG_CALL("slirp_exit");
|
|
| 304 |
DEBUG_ARG("exit_status = %d", exit_status);
|
|
| 305 |
|
|
| 306 |
if (dostats) {
|
|
| 307 |
lprint_print = (int (*) _P((void *, const char *, va_list)))vfprintf; |
|
| 308 |
if (!dfd) |
|
| 309 |
debug_init("slirp_stats", 0xf);
|
|
| 310 |
lprint_arg = (char **)&dfd; |
|
| 311 |
|
|
| 312 |
ipstats(); |
|
| 313 |
tcpstats(); |
|
| 314 |
udpstats(); |
|
| 315 |
icmpstats(); |
|
| 316 |
mbufstats(); |
|
| 317 |
sockstats(); |
|
| 318 |
allttystats(); |
|
| 319 |
vjstats(); |
|
| 320 |
} |
|
| 321 |
|
|
| 322 |
for (ttyp = ttys; ttyp; ttyp = ttyp->next) |
|
| 323 |
tty_detached(ttyp, 1); |
|
| 324 |
|
|
| 325 |
if (slirp_forked) {
|
|
| 326 |
/* Menendez time */ |
|
| 327 |
if (kill(getppid(), SIGQUIT) < 0) |
|
| 328 |
lprint("Couldn't kill parent process %ld!\n",
|
|
| 329 |
(long) getppid()); |
|
| 330 |
} |
|
| 331 |
|
|
| 332 |
/* Restore the terminal if we gotta */ |
|
| 333 |
if(slirp_tty_restore) |
|
| 334 |
tcsetattr(0,TCSANOW, &slirp_tty_settings); /* NOW DAMMIT! */ |
|
| 335 |
exit(exit_status); |
|
| 336 |
} |
|
| 337 |
#endif |
|
| 338 |
|
|
| 339 | 154 |
void |
| 340 | 155 |
slirp_stats(void) |
| 341 | 156 |
{
|
| b/slirp/debug.h | ||
|---|---|---|
| 9 | 9 |
#define PRN_SPRINTF 2 |
| 10 | 10 |
|
| 11 | 11 |
extern FILE *dfd; |
| 12 |
extern FILE *lfd; |
|
| 13 |
extern int dostats; |
|
| 14 | 12 |
extern int slirp_debug; |
| 15 | 13 |
|
| 16 | 14 |
#define DBG_CALL 0x1 |
| b/slirp/if.c | ||
|---|---|---|
| 36 | 36 |
{
|
| 37 | 37 |
if_fastq.ifq_next = if_fastq.ifq_prev = &if_fastq; |
| 38 | 38 |
if_batchq.ifq_next = if_batchq.ifq_prev = &if_batchq; |
| 39 |
// sl_compress_init(&comp_s); |
|
| 40 | 39 |
next_m = &if_batchq; |
| 41 | 40 |
} |
| 42 | 41 |
|
| 43 |
#if 0 |
|
| 44 |
/* |
|
| 45 |
* This shouldn't be needed since the modem is blocking and |
|
| 46 |
* we don't expect any signals, but what the hell.. |
|
| 47 |
*/ |
|
| 48 |
inline int |
|
| 49 |
writen(fd, bptr, n) |
|
| 50 |
int fd; |
|
| 51 |
char *bptr; |
|
| 52 |
int n; |
|
| 53 |
{
|
|
| 54 |
int ret; |
|
| 55 |
int total; |
|
| 56 |
|
|
| 57 |
/* This should succeed most of the time */ |
|
| 58 |
ret = send(fd, bptr, n,0); |
|
| 59 |
if (ret == n || ret <= 0) |
|
| 60 |
return ret; |
|
| 61 |
|
|
| 62 |
/* Didn't write everything, go into the loop */ |
|
| 63 |
total = ret; |
|
| 64 |
while (n > total) {
|
|
| 65 |
ret = send(fd, bptr+total, n-total,0); |
|
| 66 |
if (ret <= 0) |
|
| 67 |
return ret; |
|
| 68 |
total += ret; |
|
| 69 |
} |
|
| 70 |
return total; |
|
| 71 |
} |
|
| 72 |
|
|
| 73 |
/* |
|
| 74 |
* if_input - read() the tty, do "top level" processing (ie: check for any escapes), |
|
| 75 |
* and pass onto (*ttyp->if_input) |
|
| 76 |
* |
|
| 77 |
* XXXXX Any zeros arriving by themselves are NOT placed into the arriving packet. |
|
| 78 |
*/ |
|
| 79 |
#define INBUFF_SIZE 2048 /* XXX */ |
|
| 80 |
void |
|
| 81 |
if_input(ttyp) |
|
| 82 |
struct ttys *ttyp; |
|
| 83 |
{
|
|
| 84 |
u_char if_inbuff[INBUFF_SIZE]; |
|
| 85 |
int if_n; |
|
| 86 |
|
|
| 87 |
DEBUG_CALL("if_input");
|
|
| 88 |
DEBUG_ARG("ttyp = %lx", (long)ttyp);
|
|
| 89 |
|
|
| 90 |
if_n = recv(ttyp->fd, (char *)if_inbuff, INBUFF_SIZE,0); |
|
| 91 |
|
|
| 92 |
DEBUG_MISC((dfd, " read %d bytes\n", if_n)); |
|
| 93 |
|
|
| 94 |
if (if_n <= 0) {
|
|
| 95 |
if (if_n == 0 || (errno != EINTR && errno != EAGAIN)) {
|
|
| 96 |
if (ttyp->up) |
|
| 97 |
link_up--; |
|
| 98 |
tty_detached(ttyp, 0); |
|
| 99 |
} |
|
| 100 |
return; |
|
| 101 |
} |
|
| 102 |
if (if_n == 1) {
|
|
| 103 |
if (*if_inbuff == '0') {
|
|
| 104 |
ttyp->ones = 0; |
|
| 105 |
if (++ttyp->zeros >= 5) |
|
| 106 |
slirp_exit(0); |
|
| 107 |
return; |
|
| 108 |
} |
|
| 109 |
if (*if_inbuff == '1') {
|
|
| 110 |
ttyp->zeros = 0; |
|
| 111 |
if (++ttyp->ones >= 5) |
|
| 112 |
tty_detached(ttyp, 0); |
|
| 113 |
return; |
|
| 114 |
} |
|
| 115 |
} |
|
| 116 |
ttyp->ones = ttyp->zeros = 0; |
|
| 117 |
|
|
| 118 |
(*ttyp->if_input)(ttyp, if_inbuff, if_n); |
|
| 119 |
} |
|
| 120 |
#endif |
|
| 121 |
|
|
| 122 | 42 |
/* |
| 123 | 43 |
* if_output: Queue packet into an output queue. |
| 124 | 44 |
* There are 2 output queue's, if_fastq and if_batchq. |
| b/slirp/if.h | ||
|---|---|---|
| 17 | 17 |
#define IF_MRU 1500 |
| 18 | 18 |
#define IF_COMP IF_AUTOCOMP /* Flags for compression */ |
| 19 | 19 |
|
| 20 |
#if 0 |
|
| 21 |
/* |
|
| 22 |
* Set if_maxlinkhdr to 48 because it's 40 bytes for TCP/IP, |
|
| 23 |
* and 8 bytes for PPP, but need to have it on an 8byte boundary |
|
| 24 |
*/ |
|
| 25 |
#ifdef USE_PPP |
|
| 26 |
#define IF_MAXLINKHDR 48 |
|
| 27 |
#else |
|
| 28 |
#define IF_MAXLINKHDR 40 |
|
| 29 |
#endif |
|
| 30 |
#else |
|
| 31 |
/* 2 for alignment, 14 for ethernet, 40 for TCP/IP */ |
|
| 20 |
/* 2 for alignment, 14 for ethernet, 40 for TCP/IP */ |
|
| 32 | 21 |
#define IF_MAXLINKHDR (2 + 14 + 40) |
| 33 |
#endif |
|
| 34 | 22 |
|
| 35 | 23 |
extern int if_queued; /* Number of packets queued so far */ |
| 36 | 24 |
|
| b/slirp/ip_icmp.c | ||
|---|---|---|
| 73 | 73 |
register struct icmp *icp; |
| 74 | 74 |
register struct ip *ip=mtod(m, struct ip *); |
| 75 | 75 |
int icmplen=ip->ip_len; |
| 76 |
/* int code; */ |
|
| 77 | 76 |
|
| 78 | 77 |
DEBUG_CALL("icmp_input");
|
| 79 | 78 |
DEBUG_ARG("m = %lx", (long )m);
|
| ... | ... | |
| 102 | 101 |
m->m_len += hlen; |
| 103 | 102 |
m->m_data -= hlen; |
| 104 | 103 |
|
| 105 |
/* icmpstat.icps_inhist[icp->icmp_type]++; */ |
|
| 106 |
/* code = icp->icmp_code; */ |
|
| 107 |
|
|
| 108 | 104 |
DEBUG_ARG("icmp_type = %d", icp->icmp_type);
|
| 109 | 105 |
switch (icp->icmp_type) {
|
| 110 | 106 |
case ICMP_ECHO: |
| b/slirp/ip_input.c | ||
|---|---|---|
| 165 | 165 |
} |
| 166 | 166 |
|
| 167 | 167 |
/* |
| 168 |
* Process options and, if not destined for us, |
|
| 169 |
* ship it on. ip_dooptions returns 1 when an |
|
| 170 |
* error was detected (causing an icmp message |
|
| 171 |
* to be sent and the original packet to be freed). |
|
| 172 |
*/ |
|
| 173 |
/* We do no IP options */ |
|
| 174 |
/* if (hlen > sizeof (struct ip) && ip_dooptions(m)) |
|
| 175 |
* goto next; |
|
| 176 |
*/ |
|
| 177 |
/* |
|
| 178 | 168 |
* If offset or IP_MF are set, must reassemble. |
| 179 | 169 |
* Otherwise, nothing need be done. |
| 180 | 170 |
* (We could look in the reassembly queue to see |
| ... | ... | |
| 396 | 386 |
q = (struct ipasfrag *)(m->m_ext + delta); |
| 397 | 387 |
} |
| 398 | 388 |
|
| 399 |
/* DEBUG_ARG("ip = %lx", (long)ip);
|
|
| 400 |
* ip=(struct ipasfrag *)m->m_data; */ |
|
| 401 |
|
|
| 402 | 389 |
ip = fragtoip(q); |
| 403 | 390 |
ip->ip_len = next; |
| 404 | 391 |
ip->ip_tos &= ~1; |
| ... | ... | |
| 505 | 492 |
register u_char *cp; |
| 506 | 493 |
register struct ip_timestamp *ipt; |
| 507 | 494 |
register struct in_ifaddr *ia; |
| 508 |
/* int opt, optlen, cnt, off, code, type = ICMP_PARAMPROB, forward = 0; */ |
|
| 509 | 495 |
int opt, optlen, cnt, off, code, type, forward = 0; |
| 510 | 496 |
struct in_addr *sin, dst; |
| 511 | 497 |
typedef u_int32_t n_time; |
| ... | ... | |
| 683 | 669 |
} |
| 684 | 670 |
return (0); |
| 685 | 671 |
bad: |
| 686 |
/* ip->ip_len -= ip->ip_hl << 2; XXX icmp_error adds in hdr length */ |
|
| 687 |
|
|
| 688 |
/* Not yet */ |
|
| 689 | 672 |
icmp_error(m, type, code, 0, 0); |
| 690 | 673 |
|
| 691 | 674 |
STAT(ipstat.ips_badoptions++); |
| b/slirp/ip_output.c | ||
|---|---|---|
| 64 | 64 |
DEBUG_ARG("so = %lx", (long)so);
|
| 65 | 65 |
DEBUG_ARG("m0 = %lx", (long)m0);
|
| 66 | 66 |
|
| 67 |
/* We do no options */ |
|
| 68 |
/* if (opt) {
|
|
| 69 |
* m = ip_insertoptions(m, opt, &len); |
|
| 70 |
* hlen = len; |
|
| 71 |
* } |
|
| 72 |
*/ |
|
| 73 | 67 |
ip = mtod(m, struct ip *); |
| 74 | 68 |
/* |
| 75 | 69 |
* Fill in IP header. |
| ... | ... | |
| 81 | 75 |
STAT(ipstat.ips_localout++); |
| 82 | 76 |
|
| 83 | 77 |
/* |
| 84 |
* Verify that we have any chance at all of being able to queue |
|
| 85 |
* the packet or packet fragments |
|
| 86 |
*/ |
|
| 87 |
/* XXX Hmmm... */ |
|
| 88 |
/* if (if_queued > IF_THRESH && towrite <= 0) {
|
|
| 89 |
* error = ENOBUFS; |
|
| 90 |
* goto bad; |
|
| 91 |
* } |
|
| 92 |
*/ |
|
| 93 |
|
|
| 94 |
/* |
|
| 95 | 78 |
* If small enough for interface, can just send directly. |
| 96 | 79 |
*/ |
| 97 | 80 |
if ((u_int16_t)ip->ip_len <= IF_MTU) {
|
| ... | ... | |
| 142 | 125 |
mhip = mtod(m, struct ip *); |
| 143 | 126 |
*mhip = *ip; |
| 144 | 127 |
|
| 145 |
/* No options */ |
|
| 146 |
/* if (hlen > sizeof (struct ip)) {
|
|
| 147 |
* mhlen = ip_optcopy(ip, mhip) + sizeof (struct ip); |
|
| 148 |
* mhip->ip_hl = mhlen >> 2; |
|
| 149 |
* } |
|
| 150 |
*/ |
|
| 151 | 128 |
m->m_len = mhlen; |
| 152 | 129 |
mhip->ip_off = ((off - hlen) >> 3) + (ip->ip_off & ~IP_MF); |
| 153 | 130 |
if (ip->ip_off & IP_MF) |
| b/slirp/libslirp.h | ||
|---|---|---|
| 1 | 1 |
#ifndef _LIBSLIRP_H |
| 2 | 2 |
#define _LIBSLIRP_H |
| 3 | 3 |
|
| 4 |
#ifdef __cplusplus |
|
| 5 |
extern "C" {
|
|
| 6 |
#endif |
|
| 7 |
|
|
| 8 | 4 |
#include <qemu-common.h> |
| 9 | 5 |
|
| 10 | 6 |
void slirp_init(int restricted, struct in_addr vnetwork, |
| ... | ... | |
| 37 | 33 |
const uint8_t *buf, int size); |
| 38 | 34 |
size_t slirp_socket_can_recv(struct in_addr guest_addr, int guest_port); |
| 39 | 35 |
|
| 40 |
#ifdef __cplusplus |
|
| 41 |
} |
|
| 42 |
#endif |
|
| 43 |
|
|
| 44 | 36 |
#endif |
| b/slirp/mbuf.c | ||
|---|---|---|
| 141 | 141 |
if (m->m_flags & M_EXT) {
|
| 142 | 142 |
datasize = m->m_data - m->m_ext; |
| 143 | 143 |
m->m_ext = (char *)realloc(m->m_ext,size); |
| 144 |
/* if (m->m_ext == NULL) |
|
| 145 |
* return (struct mbuf *)NULL; |
|
| 146 |
*/ |
|
| 147 | 144 |
m->m_data = m->m_ext + datasize; |
| 148 | 145 |
} else {
|
| 149 | 146 |
char *dat; |
| 150 | 147 |
datasize = m->m_data - m->m_dat; |
| 151 | 148 |
dat = (char *)malloc(size); |
| 152 |
/* if (dat == NULL) |
|
| 153 |
* return (struct mbuf *)NULL; |
|
| 154 |
*/ |
|
| 155 | 149 |
memcpy(dat, m->m_dat, m->m_size); |
| 156 | 150 |
|
| 157 | 151 |
m->m_ext = dat; |
| b/slirp/mbuf.h | ||
|---|---|---|
| 41 | 41 |
/* |
| 42 | 42 |
* Macros for type conversion |
| 43 | 43 |
* mtod(m,t) - convert mbuf pointer to data pointer of correct type |
| 44 |
* dtom(x) - convert data pointer within mbuf to mbuf pointer (XXX) |
|
| 45 | 44 |
*/ |
| 46 | 45 |
#define mtod(m,t) ((t)(m)->m_data) |
| 47 |
/* #define dtom(x) ((struct mbuf *)((int)(x) & ~(M_SIZE-1))) */ |
|
| 48 | 46 |
|
| 49 | 47 |
/* XXX About mbufs for slirp: |
| 50 | 48 |
* Only one mbuf is ever used in a chain, for each "cell" of data. |
| b/slirp/misc.c | ||
|---|---|---|
| 12 | 12 |
|
| 13 | 13 |
u_int curtime, time_fasttimo, last_slowtimo; |
| 14 | 14 |
|
| 15 |
#if 0 |
|
| 16 |
int x_port = -1; |
|
| 17 |
int x_display = 0; |
|
| 18 |
int x_screen = 0; |
|
| 19 |
|
|
| 20 |
int |
|
| 21 |
show_x(buff, inso) |
|
| 22 |
char *buff; |
|
| 23 |
struct socket *inso; |
|
| 24 |
{
|
|
| 25 |
if (x_port < 0) {
|
|
| 26 |
lprint("X Redir: X not being redirected.\r\n");
|
|
| 27 |
} else {
|
|
| 28 |
lprint("X Redir: In sh/bash/zsh/etc. type: DISPLAY=%s:%d.%d; export DISPLAY\r\n",
|
|
| 29 |
inet_ntoa(our_addr), x_port, x_screen); |
|
| 30 |
lprint("X Redir: In csh/tcsh/etc. type: setenv DISPLAY %s:%d.%d\r\n",
|
|
| 31 |
inet_ntoa(our_addr), x_port, x_screen); |
|
| 32 |
if (x_display) |
|
| 33 |
lprint("X Redir: Redirecting to display %d\r\n", x_display);
|
|
| 34 |
} |
|
| 35 |
|
|
| 36 |
return CFG_OK; |
|
| 37 |
} |
|
| 38 |
|
|
| 39 |
|
|
| 40 |
/* |
|
| 41 |
* XXX Allow more than one X redirection? |
|
| 42 |
*/ |
|
| 43 |
void |
|
| 44 |
redir_x(inaddr, start_port, display, screen) |
|
| 45 |
u_int32_t inaddr; |
|
| 46 |
int start_port; |
|
| 47 |
int display; |
|
| 48 |
int screen; |
|
| 49 |
{
|
|
| 50 |
int i; |
|
| 51 |
|
|
| 52 |
if (x_port >= 0) {
|
|
| 53 |
lprint("X Redir: X already being redirected.\r\n");
|
|
| 54 |
show_x(0, 0); |
|
| 55 |
} else {
|
|
| 56 |
for (i = 6001 + (start_port-1); i <= 6100; i++) {
|
|
| 57 |
if (solisten(htons(i), inaddr, htons(6000 + display), 0)) {
|
|
| 58 |
/* Success */ |
|
| 59 |
x_port = i - 6000; |
|
| 60 |
x_display = display; |
|
| 61 |
x_screen = screen; |
|
| 62 |
show_x(0, 0); |
|
| 63 |
return; |
|
| 64 |
} |
|
| 65 |
} |
|
| 66 |
lprint("X Redir: Error: Couldn't redirect a port for X. Weird.\r\n");
|
|
| 67 |
} |
|
| 68 |
} |
|
| 69 |
#endif |
|
| 70 |
|
|
| 71 | 15 |
/* |
| 72 | 16 |
* Get our IP address and put it in our_addr |
| 73 | 17 |
*/ |
| ... | ... | |
| 109 | 53 |
((struct quehead *)(element->qh_link))->qh_rlink = element->qh_rlink; |
| 110 | 54 |
((struct quehead *)(element->qh_rlink))->qh_link = element->qh_link; |
| 111 | 55 |
element->qh_rlink = NULL; |
| 112 |
/* element->qh_link = NULL; TCP FIN1 crashes if you do this. Why ? */ |
|
| 113 | 56 |
} |
| 114 | 57 |
|
| 115 |
/* #endif */ |
|
| 116 |
|
|
| 117 |
|
|
| 118 | 58 |
int add_exec(struct ex_list **ex_ptr, int do_pty, char *exec, |
| 119 | 59 |
struct in_addr addr, int port) |
| 120 | 60 |
{
|
| ... | ... | |
| 170 | 110 |
|
| 171 | 111 |
#else |
| 172 | 112 |
|
| 173 |
#ifndef CONFIG_QEMU |
|
| 174 |
int |
|
| 175 |
slirp_openpty(amaster, aslave) |
|
| 176 |
int *amaster, *aslave; |
|
| 177 |
{
|
|
| 178 |
register int master, slave; |
|
| 179 |
|
|
| 180 |
#ifdef HAVE_GRANTPT |
|
| 181 |
char *ptr; |
|
| 182 |
|
|
| 183 |
if ((master = open("/dev/ptmx", O_RDWR)) < 0 ||
|
|
| 184 |
grantpt(master) < 0 || |
|
| 185 |
unlockpt(master) < 0 || |
|
| 186 |
(ptr = ptsname(master)) == NULL) {
|
|
| 187 |
close(master); |
|
| 188 |
return -1; |
|
| 189 |
} |
|
| 190 |
|
|
| 191 |
if ((slave = open(ptr, O_RDWR)) < 0 || |
|
| 192 |
ioctl(slave, I_PUSH, "ptem") < 0 || |
|
| 193 |
ioctl(slave, I_PUSH, "ldterm") < 0 || |
|
| 194 |
ioctl(slave, I_PUSH, "ttcompat") < 0) {
|
|
| 195 |
close(master); |
|
| 196 |
close(slave); |
|
| 197 |
return -1; |
|
| 198 |
} |
|
| 199 |
|
|
| 200 |
*amaster = master; |
|
| 201 |
*aslave = slave; |
|
| 202 |
return 0; |
|
| 203 |
|
|
| 204 |
#else |
|
| 205 |
|
|
| 206 |
static char line[] = "/dev/ptyXX"; |
|
| 207 |
register const char *cp1, *cp2; |
|
| 208 |
|
|
| 209 |
for (cp1 = "pqrsPQRS"; *cp1; cp1++) {
|
|
| 210 |
line[8] = *cp1; |
|
| 211 |
for (cp2 = "0123456789abcdefghijklmnopqrstuv"; *cp2; cp2++) {
|
|
| 212 |
line[9] = *cp2; |
|
| 213 |
if ((master = open(line, O_RDWR, 0)) == -1) {
|
|
| 214 |
if (errno == ENOENT) |
|
| 215 |
return (-1); /* out of ptys */ |
|
| 216 |
} else {
|
|
| 217 |
line[5] = 't'; |
|
| 218 |
/* These will fail */ |
|
| 219 |
(void) chown(line, getuid(), 0); |
|
| 220 |
(void) chmod(line, S_IRUSR|S_IWUSR|S_IWGRP); |
|
| 221 |
#ifdef HAVE_REVOKE |
|
| 222 |
(void) revoke(line); |
|
| 223 |
#endif |
|
| 224 |
if ((slave = open(line, O_RDWR, 0)) != -1) {
|
|
| 225 |
*amaster = master; |
|
| 226 |
*aslave = slave; |
|
| 227 |
return 0; |
|
| 228 |
} |
|
| 229 |
(void) close(master); |
|
| 230 |
line[5] = 'p'; |
|
| 231 |
} |
|
| 232 |
} |
|
| 233 |
} |
|
| 234 |
errno = ENOENT; /* out of ptys */ |
|
| 235 |
return (-1); |
|
| 236 |
#endif |
|
| 237 |
} |
|
| 238 |
#endif |
|
| 239 |
|
|
| 240 | 113 |
/* |
| 241 | 114 |
* XXX This is ugly |
| 242 | 115 |
* We create and bind a socket, then fork off to another |
| ... | ... | |
| 257 | 130 |
int opt; |
| 258 | 131 |
int master = -1; |
| 259 | 132 |
const char *argv[256]; |
| 260 |
#if 0 |
|
| 261 |
char buff[256]; |
|
| 262 |
#endif |
|
| 263 | 133 |
/* don't want to clobber the original */ |
| 264 | 134 |
char *bptr; |
| 265 | 135 |
const char *curarg; |
| ... | ... | |
| 271 | 141 |
DEBUG_ARG("do_pty = %lx", (long)do_pty);
|
| 272 | 142 |
|
| 273 | 143 |
if (do_pty == 2) {
|
| 274 |
#if 0 |
|
| 275 |
if (slirp_openpty(&master, &s) == -1) {
|
|
| 276 |
lprint("Error: openpty failed: %s\n", strerror(errno));
|
|
| 277 |
return 0; |
|
| 278 |
} |
|
| 279 |
#else |
|
| 280 | 144 |
return 0; |
| 281 |
#endif |
|
| 282 | 145 |
} else {
|
| 283 | 146 |
addr.sin_family = AF_INET; |
| 284 | 147 |
addr.sin_port = 0; |
| ... | ... | |
| 324 | 187 |
} while (ret < 0 && errno == EINTR); |
| 325 | 188 |
} |
| 326 | 189 |
|
| 327 |
#if 0 |
|
| 328 |
if (x_port >= 0) {
|
|
| 329 |
#ifdef HAVE_SETENV |
|
| 330 |
sprintf(buff, "%s:%d.%d", inet_ntoa(our_addr), x_port, x_screen); |
|
| 331 |
setenv("DISPLAY", buff, 1);
|
|
| 332 |
#else |
|
| 333 |
sprintf(buff, "DISPLAY=%s:%d.%d", inet_ntoa(our_addr), x_port, x_screen); |
|
| 334 |
putenv(buff); |
|
| 335 |
#endif |
|
| 336 |
} |
|
| 337 |
#endif |
|
| 338 | 190 |
dup2(s, 0); |
| 339 | 191 |
dup2(s, 1); |
| 340 | 192 |
dup2(s, 2); |
| ... | ... | |
| 422 | 274 |
} |
| 423 | 275 |
#endif |
| 424 | 276 |
|
| 425 |
#if 0 |
|
| 426 |
void |
|
| 427 |
snooze_hup(num) |
|
| 428 |
int num; |
|
| 429 |
{
|
|
| 430 |
int s, ret; |
|
| 431 |
#ifndef NO_UNIX_SOCKETS |
|
| 432 |
struct sockaddr_un sock_un; |
|
| 433 |
#endif |
|
| 434 |
struct sockaddr_in sock_in; |
|
| 435 |
char buff[256]; |
|
| 436 |
|
|
| 437 |
ret = -1; |
|
| 438 |
if (slirp_socket_passwd) {
|
|
| 439 |
s = socket(AF_INET, SOCK_STREAM, 0); |
|
| 440 |
if (s < 0) |
|
| 441 |
slirp_exit(1); |
|
| 442 |
sock_in.sin_family = AF_INET; |
|
| 443 |
sock_in.sin_addr.s_addr = slirp_socket_addr; |
|
| 444 |
sock_in.sin_port = htons(slirp_socket_port); |
|
| 445 |
if (connect(s, (struct sockaddr *)&sock_in, sizeof(sock_in)) != 0) |
|
| 446 |
slirp_exit(1); /* just exit...*/ |
|
| 447 |
sprintf(buff, "kill %s:%d", slirp_socket_passwd, slirp_socket_unit); |
|
| 448 |
write(s, buff, strlen(buff)+1); |
|
| 449 |
} |
|
| 450 |
#ifndef NO_UNIX_SOCKETS |
|
| 451 |
else {
|
|
| 452 |
s = socket(AF_UNIX, SOCK_STREAM, 0); |
|
| 453 |
if (s < 0) |
|
| 454 |
slirp_exit(1); |
|
| 455 |
sock_un.sun_family = AF_UNIX; |
|
| 456 |
strcpy(sock_un.sun_path, socket_path); |
|
| 457 |
if (connect(s, (struct sockaddr *)&sock_un, |
|
| 458 |
sizeof(sock_un.sun_family) + sizeof(sock_un.sun_path)) != 0) |
|
| 459 |
slirp_exit(1); |
|
| 460 |
sprintf(buff, "kill none:%d", slirp_socket_unit); |
|
| 461 |
write(s, buff, strlen(buff)+1); |
|
| 462 |
} |
|
| 463 |
#endif |
|
| 464 |
slirp_exit(0); |
|
| 465 |
} |
|
| 466 |
|
|
| 467 |
|
|
| 468 |
void |
|
| 469 |
snooze() |
|
| 470 |
{
|
|
| 471 |
sigset_t s; |
|
| 472 |
int i; |
|
| 473 |
|
|
| 474 |
/* Don't need our data anymore */ |
|
| 475 |
/* XXX This makes SunOS barf */ |
|
| 476 |
/* brk(0); */ |
|
| 477 |
|
|
| 478 |
/* Close all fd's */ |
|
| 479 |
for (i = 255; i >= 0; i--) |
|
| 480 |
close(i); |
|
| 481 |
|
|
| 482 |
signal(SIGQUIT, slirp_exit); |
|
| 483 |
signal(SIGHUP, snooze_hup); |
|
| 484 |
sigemptyset(&s); |
|
| 485 |
|
|
| 486 |
/* Wait for any signal */ |
|
| 487 |
sigsuspend(&s); |
|
| 488 |
|
|
| 489 |
/* Just in case ... */ |
|
| 490 |
exit(255); |
|
| 491 |
} |
|
| 492 |
|
|
| 493 |
void |
|
| 494 |
relay(s) |
|
| 495 |
int s; |
|
| 496 |
{
|
|
| 497 |
char buf[8192]; |
|
| 498 |
int n; |
|
| 499 |
fd_set readfds; |
|
| 500 |
struct ttys *ttyp; |
|
| 501 |
|
|
| 502 |
/* Don't need our data anymore */ |
|
| 503 |
/* XXX This makes SunOS barf */ |
|
| 504 |
/* brk(0); */ |
|
| 505 |
|
|
| 506 |
signal(SIGQUIT, slirp_exit); |
|
| 507 |
signal(SIGHUP, slirp_exit); |
|
| 508 |
signal(SIGINT, slirp_exit); |
|
| 509 |
signal(SIGTERM, slirp_exit); |
|
| 510 |
|
|
| 511 |
/* Fudge to get term_raw and term_restore to work */ |
|
| 512 |
if (NULL == (ttyp = tty_attach (0, slirp_tty))) {
|
|
| 513 |
lprint ("Error: tty_attach failed in misc.c:relay()\r\n");
|
|
| 514 |
slirp_exit (1); |
|
| 515 |
} |
|
| 516 |
ttyp->fd = 0; |
|
| 517 |
ttyp->flags |= TTY_CTTY; |
|
| 518 |
term_raw(ttyp); |
|
| 519 |
|
|
| 520 |
while (1) {
|
|
| 521 |
FD_ZERO(&readfds); |
|
| 522 |
|
|
| 523 |
FD_SET(0, &readfds); |
|
| 524 |
FD_SET(s, &readfds); |
|
| 525 |
|
|
| 526 |
n = select(s+1, &readfds, (fd_set *)0, (fd_set *)0, (struct timeval *)0); |
|
| 527 |
|
|
| 528 |
if (n <= 0) |
|
| 529 |
slirp_exit(0); |
|
| 530 |
|
|
| 531 |
if (FD_ISSET(0, &readfds)) {
|
|
| 532 |
n = read(0, buf, 8192); |
|
| 533 |
if (n <= 0) |
|
| 534 |
slirp_exit(0); |
|
| 535 |
n = writen(s, buf, n); |
|
| 536 |
if (n <= 0) |
|
| 537 |
slirp_exit(0); |
|
| 538 |
} |
|
| 539 |
|
|
| 540 |
if (FD_ISSET(s, &readfds)) {
|
|
| 541 |
n = read(s, buf, 8192); |
|
| 542 |
if (n <= 0) |
|
| 543 |
slirp_exit(0); |
|
| 544 |
n = writen(0, buf, n); |
|
| 545 |
if (n <= 0) |
|
| 546 |
slirp_exit(0); |
|
| 547 |
} |
|
| 548 |
} |
|
| 549 |
|
|
| 550 |
/* Just in case.... */ |
|
| 551 |
exit(1); |
|
| 552 |
} |
|
| 553 |
#endif |
|
| 554 |
|
|
| 555 |
#ifdef CONFIG_QEMU |
|
| 556 | 277 |
#include "monitor.h" |
| 557 | 278 |
|
| 558 | 279 |
void lprint(const char *format, ...) |
| ... | ... | |
| 563 | 284 |
monitor_vprintf(cur_mon, format, args); |
| 564 | 285 |
va_end(args); |
| 565 | 286 |
} |
| 566 |
#else |
|
| 567 |
int (*lprint_print) _P((void *, const char *, va_list)); |
|
| 568 |
char *lprint_ptr, *lprint_ptr2, **lprint_arg; |
|
| 569 |
|
|
| 570 |
void |
|
| 571 |
#ifdef __STDC__ |
|
| 572 |
lprint(const char *format, ...) |
|
| 573 |
#else |
|
| 574 |
lprint(va_alist) va_dcl |
|
| 575 |
#endif |
|
| 576 |
{
|
|
| 577 |
va_list args; |
|
| 578 |
|
|
| 579 |
#ifdef __STDC__ |
|
| 580 |
va_start(args, format); |
|
| 581 |
#else |
|
| 582 |
char *format; |
|
| 583 |
va_start(args); |
|
| 584 |
format = va_arg(args, char *); |
|
| 585 |
#endif |
|
| 586 |
#if 0 |
|
| 587 |
/* If we're printing to an sbuf, make sure there's enough room */ |
|
| 588 |
/* XXX +100? */ |
|
| 589 |
if (lprint_sb) {
|
|
| 590 |
if ((lprint_ptr - lprint_sb->sb_wptr) >= |
|
| 591 |
(lprint_sb->sb_datalen - (strlen(format) + 100))) {
|
|
| 592 |
int deltaw = lprint_sb->sb_wptr - lprint_sb->sb_data; |
|
| 593 |
int deltar = lprint_sb->sb_rptr - lprint_sb->sb_data; |
|
| 594 |
int deltap = lprint_ptr - lprint_sb->sb_data; |
|
| 595 |
|
|
| 596 |
lprint_sb->sb_data = (char *)realloc(lprint_sb->sb_data, |
|
| 597 |
lprint_sb->sb_datalen + TCP_SNDSPACE); |
|
| 598 |
|
|
| 599 |
/* Adjust all values */ |
|
| 600 |
lprint_sb->sb_wptr = lprint_sb->sb_data + deltaw; |
|
| 601 |
lprint_sb->sb_rptr = lprint_sb->sb_data + deltar; |
|
| 602 |
lprint_ptr = lprint_sb->sb_data + deltap; |
|
| 603 |
|
|
| 604 |
lprint_sb->sb_datalen += TCP_SNDSPACE; |
|
| 605 |
} |
|
| 606 |
} |
|
| 607 |
#endif |
|
| 608 |
if (lprint_print) |
|
| 609 |
lprint_ptr += (*lprint_print)(*lprint_arg, format, args); |
|
| 610 |
|
|
| 611 |
/* Check if they want output to be logged to file as well */ |
|
| 612 |
if (lfd) {
|
|
| 613 |
/* |
|
| 614 |
* Remove \r's |
|
| 615 |
* otherwise you'll get ^M all over the file |
|
| 616 |
*/ |
|
| 617 |
int len = strlen(format); |
|
| 618 |
char *bptr1, *bptr2; |
|
| 619 |
|
|
| 620 |
bptr1 = bptr2 = strdup(format); |
|
| 621 |
|
|
| 622 |
while (len--) {
|
|
| 623 |
if (*bptr1 == '\r') |
|
| 624 |
memcpy(bptr1, bptr1+1, len+1); |
|
| 625 |
else |
|
| 626 |
bptr1++; |
|
| 627 |
} |
|
| 628 |
vfprintf(lfd, bptr2, args); |
|
| 629 |
free(bptr2); |
|
| 630 |
} |
|
| 631 |
va_end(args); |
|
| 632 |
} |
|
| 633 |
|
|
| 634 |
void |
|
| 635 |
add_emu(buff) |
|
| 636 |
char *buff; |
|
| 637 |
{
|
|
| 638 |
u_int lport, fport; |
|
| 639 |
u_int8_t tos = 0, emu = 0; |
|
| 640 |
char buff1[256], buff2[256], buff4[128]; |
|
| 641 |
char *buff3 = buff4; |
|
| 642 |
struct emu_t *emup; |
|
| 643 |
struct socket *so; |
|
| 644 |
|
|
| 645 |
if (sscanf(buff, "%256s %256s", buff2, buff1) != 2) {
|
|
| 646 |
lprint("Error: Bad arguments\r\n");
|
|
| 647 |
return; |
|
| 648 |
} |
|
| 649 |
|
|
| 650 |
if (sscanf(buff1, "%d:%d", &lport, &fport) != 2) {
|
|
| 651 |
lport = 0; |
|
| 652 |
if (sscanf(buff1, "%d", &fport) != 1) {
|
|
| 653 |
lprint("Error: Bad first argument\r\n");
|
|
| 654 |
return; |
|
| 655 |
} |
|
| 656 |
} |
|
| 657 |
|
|
| 658 |
if (sscanf(buff2, "%128[^:]:%128s", buff1, buff3) != 2) {
|
|
| 659 |
buff3 = 0; |
|
| 660 |
if (sscanf(buff2, "%256s", buff1) != 1) {
|
|
| 661 |
lprint("Error: Bad second argument\r\n");
|
|
| 662 |
return; |
|
| 663 |
} |
|
| 664 |
} |
|
| 665 |
|
|
| 666 |
if (buff3) {
|
|
| 667 |
if (strcmp(buff3, "lowdelay") == 0) |
|
| 668 |
tos = IPTOS_LOWDELAY; |
|
| 669 |
else if (strcmp(buff3, "throughput") == 0) |
|
| 670 |
tos = IPTOS_THROUGHPUT; |
|
| 671 |
else {
|
|
| 672 |
lprint("Error: Expecting \"lowdelay\"/\"throughput\"\r\n");
|
|
| 673 |
return; |
|
| 674 |
} |
|
| 675 |
} |
|
| 676 |
|
|
| 677 |
if (strcmp(buff1, "ftp") == 0) |
|
| 678 |
emu = EMU_FTP; |
|
| 679 |
else if (strcmp(buff1, "irc") == 0) |
|
| 680 |
emu = EMU_IRC; |
|
| 681 |
else if (strcmp(buff1, "none") == 0) |
|
| 682 |
emu = EMU_NONE; /* ie: no emulation */ |
|
| 683 |
else {
|
|
| 684 |
lprint("Error: Unknown service\r\n");
|
|
| 685 |
return; |
|
| 686 |
} |
|
| 687 |
|
|
| 688 |
/* First, check that it isn't already emulated */ |
|
| 689 |
for (emup = tcpemu; emup; emup = emup->next) {
|
|
| 690 |
if (emup->lport == lport && emup->fport == fport) {
|
|
| 691 |
lprint("Error: port already emulated\r\n");
|
|
| 692 |
return; |
|
| 693 |
} |
|
| 694 |
} |
|
| 695 |
|
|
| 696 |
/* link it */ |
|
| 697 |
emup = (struct emu_t *)malloc(sizeof (struct emu_t)); |
|
| 698 |
emup->lport = (u_int16_t)lport; |
|
| 699 |
emup->fport = (u_int16_t)fport; |
|
| 700 |
emup->tos = tos; |
|
| 701 |
emup->emu = emu; |
|
| 702 |
emup->next = tcpemu; |
|
| 703 |
tcpemu = emup; |
|
| 704 |
|
|
| 705 |
/* And finally, mark all current sessions, if any, as being emulated */ |
|
| 706 |
for (so = tcb.so_next; so != &tcb; so = so->so_next) {
|
|
| 707 |
if ((lport && lport == ntohs(so->so_lport)) || |
|
| 708 |
(fport && fport == ntohs(so->so_fport))) {
|
|
| 709 |
if (emu) |
|
| 710 |
so->so_emu = emu; |
|
| 711 |
if (tos) |
|
| 712 |
so->so_iptos = tos; |
|
| 713 |
} |
|
| 714 |
} |
|
| 715 |
|
|
| 716 |
lprint("Adding emulation for %s to port %d/%d\r\n", buff1, emup->lport, emup->fport);
|
|
| 717 |
} |
|
| 718 |
#endif |
|
| 719 | 287 |
|
| 720 | 288 |
#ifdef BAD_SPRINTF |
| 721 | 289 |
|
| ... | ... | |
| 817 | 385 |
#endif |
| 818 | 386 |
} |
| 819 | 387 |
|
| 820 |
|
|
| 821 |
#if 0 |
|
| 822 |
/* |
|
| 823 |
* invoke RSH |
|
| 824 |
*/ |
|
| 825 |
int |
|
| 826 |
rsh_exec(so,ns, user, host, args) |
|
| 827 |
struct socket *so; |
|
| 828 |
struct socket *ns; |
|
| 829 |
char *user; |
|
| 830 |
char *host; |
|
| 831 |
char *args; |
|
| 832 |
{
|
|
| 833 |
int fd[2]; |
|
| 834 |
int fd0[2]; |
|
| 835 |
int s; |
|
| 836 |
char buff[256]; |
|
| 837 |
|
|
| 838 |
DEBUG_CALL("rsh_exec");
|
|
| 839 |
DEBUG_ARG("so = %lx", (long)so);
|
|
| 840 |
|
|
| 841 |
if (pipe(fd)<0) {
|
|
| 842 |
lprint("Error: pipe failed: %s\n", strerror(errno));
|
|
| 843 |
return 0; |
|
| 844 |
} |
|
| 845 |
/* #ifdef HAVE_SOCKETPAIR */ |
|
| 846 |
#if 1 |
|
| 847 |
if (socketpair(PF_UNIX,SOCK_STREAM,0, fd0) == -1) {
|
|
| 848 |
close(fd[0]); |
|
| 849 |
close(fd[1]); |
|
| 850 |
lprint("Error: openpty failed: %s\n", strerror(errno));
|
|
| 851 |
return 0; |
|
| 852 |
} |
|
| 853 |
#else |
|
| 854 |
if (slirp_openpty(&fd0[0], &fd0[1]) == -1) {
|
|
| 855 |
close(fd[0]); |
|
| 856 |
close(fd[1]); |
|
| 857 |
lprint("Error: openpty failed: %s\n", strerror(errno));
|
|
| 858 |
return 0; |
|
| 859 |
} |
|
| 860 |
#endif |
|
| 861 |
|
|
| 862 |
switch(fork()) {
|
|
| 863 |
case -1: |
|
| 864 |
lprint("Error: fork failed: %s\n", strerror(errno));
|
|
| 865 |
close(fd[0]); |
|
| 866 |
close(fd[1]); |
|
| 867 |
close(fd0[0]); |
|
| 868 |
close(fd0[1]); |
|
| 869 |
return 0; |
|
| 870 |
|
|
| 871 |
case 0: |
|
| 872 |
close(fd[0]); |
|
| 873 |
close(fd0[0]); |
|
| 874 |
|
|
| 875 |
/* Set the DISPLAY */ |
|
| 876 |
if (x_port >= 0) {
|
|
| 877 |
#ifdef HAVE_SETENV |
|
| 878 |
sprintf(buff, "%s:%d.%d", inet_ntoa(our_addr), x_port, x_screen); |
|
| 879 |
setenv("DISPLAY", buff, 1);
|
|
| 880 |
#else |
|
| 881 |
sprintf(buff, "DISPLAY=%s:%d.%d", inet_ntoa(our_addr), x_port, x_screen); |
|
| 882 |
putenv(buff); |
|
| 883 |
#endif |
|
| 884 |
} |
|
| 885 |
|
|
| 886 |
dup2(fd0[1], 0); |
|
| 887 |
dup2(fd0[1], 1); |
|
| 888 |
dup2(fd[1], 2); |
|
| 889 |
for (s = 3; s <= 255; s++) |
|
| 890 |
close(s); |
|
| 891 |
|
|
| 892 |
execlp("rsh","rsh","-l", user, host, args, NULL);
|
|
| 893 |
|
|
| 894 |
/* Ooops, failed, let's tell the user why */ |
|
| 895 |
|
|
| 896 |
sprintf(buff, "Error: execlp of %s failed: %s\n", |
|
| 897 |
"rsh", strerror(errno)); |
|
| 898 |
write(2, buff, strlen(buff)+1); |
|
| 899 |
close(0); close(1); close(2); /* XXX */ |
|
| 900 |
exit(1); |
|
| 901 |
|
|
| 902 |
default: |
|
| 903 |
close(fd[1]); |
|
| 904 |
close(fd0[1]); |
|
| 905 |
ns->s=fd[0]; |
|
| 906 |
so->s=fd0[0]; |
|
| 907 |
|
|
| 908 |
return 1; |
|
| 909 |
} |
|
| 910 |
} |
|
| 911 |
#endif |
|
| 912 |
|
|
| 913 | 388 |
void slirp_connection_info(Monitor *mon) |
| 914 | 389 |
{
|
| 915 | 390 |
const char * const tcpstates[] = {
|
| b/slirp/misc.h | ||
|---|---|---|
| 19 | 19 |
extern struct ex_list *exec_list; |
| 20 | 20 |
extern u_int time_fasttimo, last_slowtimo; |
| 21 | 21 |
|
| 22 |
extern int (*lprint_print) _P((void *, const char *, va_list)); |
|
| 23 |
extern char *lprint_ptr, *lprint_ptr2, **lprint_arg; |
|
| 24 |
extern struct sbuf *lprint_sb; |
|
| 25 |
|
|
| 26 | 22 |
#ifndef HAVE_STRDUP |
| 27 | 23 |
char *strdup _P((const char *)); |
| 28 | 24 |
#endif |
| ... | ... | |
| 63 | 59 |
struct emu_t *next; |
| 64 | 60 |
}; |
| 65 | 61 |
|
| 66 |
#ifndef CONFIG_QEMU |
|
| 67 |
extern struct emu_t *tcpemu; |
|
| 68 |
#endif |
|
| 69 |
|
|
| 70 | 62 |
extern int x_port, x_server, x_display; |
| 71 | 63 |
|
| 72 | 64 |
int show_x _P((char *, struct socket *)); |
| b/slirp/sbuf.c | ||
|---|---|---|
| 9 | 9 |
|
| 10 | 10 |
static void sbappendsb(struct sbuf *sb, struct mbuf *m); |
| 11 | 11 |
|
| 12 |
/* Done as a macro in socket.h */ |
|
| 13 |
/* int |
|
| 14 |
* sbspace(struct sockbuff *sb) |
|
| 15 |
* {
|
|
| 16 |
* return SB_DATALEN - sb->sb_cc; |
|
| 17 |
* } |
|
| 18 |
*/ |
|
| 19 |
|
|
| 20 | 12 |
void |
| 21 | 13 |
sbfree(struct sbuf *sb) |
| 22 | 14 |
{
|
| b/slirp/slirp.c | ||
|---|---|---|
| 55 | 55 |
static int do_slowtimo; |
| 56 | 56 |
int link_up; |
| 57 | 57 |
struct timeval tt; |
| 58 |
FILE *lfd; |
|
| 59 | 58 |
struct ex_list *exec_list; |
| 60 | 59 |
|
| 61 | 60 |
/* XXX: suppress those select globals */ |
| ... | ... | |
| 96 | 95 |
pIPAddr = &(FixedInfo->DnsServerList); |
| 97 | 96 |
inet_aton(pIPAddr->IpAddress.String, &tmp_addr); |
| 98 | 97 |
*pdns_addr = tmp_addr; |
| 99 |
#if 0 |
|
| 100 |
printf( "DNS Servers:\n" ); |
|
| 101 |
printf( "DNS Addr:%s\n", pIPAddr->IpAddress.String ); |
|
| 102 |
|
|
| 103 |
pIPAddr = FixedInfo -> DnsServerList.Next; |
|
| 104 |
while ( pIPAddr ) {
|
|
| 105 |
printf( "DNS Addr:%s\n", pIPAddr ->IpAddress.String ); |
|
| 106 |
pIPAddr = pIPAddr ->Next; |
|
| 107 |
} |
|
| 108 |
#endif |
|
| 109 | 98 |
if (FixedInfo) {
|
| 110 | 99 |
GlobalFree(FixedInfo); |
| 111 | 100 |
FixedInfo = NULL; |
| ... | ... | |
| 179 | 168 |
const char *bootfile, struct in_addr vdhcp_start, |
| 180 | 169 |
struct in_addr vnameserver) |
| 181 | 170 |
{
|
| 182 |
// debug_init("/tmp/slirp.log", DEBUG_DEFAULT);
|
|
| 183 |
|
|
| 184 | 171 |
#ifdef _WIN32 |
| 185 | 172 |
WSADATA Data; |
| 186 | 173 |
|
| b/slirp/slirp.h | ||
|---|---|---|
| 1 | 1 |
#ifndef __COMMON_H__ |
| 2 | 2 |
#define __COMMON_H__ |
| 3 | 3 |
|
| 4 |
#define CONFIG_QEMU |
|
| 5 |
|
|
| 6 | 4 |
//#define DEBUG 1 |
| 7 | 5 |
|
| 8 | 6 |
// Uncomment the following line to enable SLIRP statistics printing in Qemu |
| ... | ... | |
| 14 | 12 |
#define STAT(expr) do { } while(0)
|
| 15 | 13 |
#endif |
| 16 | 14 |
|
| 17 |
#ifndef CONFIG_QEMU |
|
| 18 |
#include "version.h" |
|
| 19 |
#endif |
|
| 20 | 15 |
#include "config-host.h" |
| 21 | 16 |
#include "slirp_config.h" |
| 22 | 17 |
|
| ... | ... | |
| 223 | 218 |
#include "tftp.h" |
| 224 | 219 |
#include "libslirp.h" |
| 225 | 220 |
|
| 226 |
extern struct ttys *ttys_unit[MAX_INTERFACES]; |
|
| 227 |
|
|
| 228 | 221 |
#ifndef NULL |
| 229 | 222 |
#define NULL (void *)0 |
| 230 | 223 |
#endif |
| b/slirp/socket.c | ||
|---|---|---|
| 15 | 15 |
static void sofcantrcvmore(struct socket *so); |
| 16 | 16 |
static void sofcantsendmore(struct socket *so); |
| 17 | 17 |
|
| 18 |
#if 0 |
|
| 19 |
static void |
|
| 20 |
so_init() |
|
| 21 |
{
|
|
| 22 |
/* Nothing yet */ |
|
| 23 |
} |
|
| 24 |
#endif |
|
| 25 |
|
|
| 26 | 18 |
struct socket * |
| 27 | 19 |
solookup(struct socket *head, struct in_addr laddr, u_int lport, |
| 28 | 20 |
struct in_addr faddr, u_int fport) |
| ... | ... | |
| 526 | 518 |
so->so_expire = curtime + SO_EXPIRE; |
| 527 | 519 |
} |
| 528 | 520 |
|
| 529 |
/* if (m->m_len == len) {
|
|
| 530 |
* m_inc(m, MINCSIZE); |
|
| 531 |
* m->m_len = 0; |
|
| 532 |
* } |
|
| 533 |
*/ |
|
| 534 |
|
|
| 535 | 521 |
/* |
| 536 | 522 |
* If this packet was destined for CTL_ADDR, |
| 537 | 523 |
* make it look like that's where it came from, done by udp_output |
| ... | ... | |
| 604 | 590 |
DEBUG_ARG("flags = %x", flags);
|
| 605 | 591 |
|
| 606 | 592 |
if ((so = socreate()) == NULL) {
|
| 607 |
/* free(so); Not sofree() ??? free(NULL) == NOP */ |
|
| 608 | 593 |
return NULL; |
| 609 | 594 |
} |
| 610 | 595 |
|
| ... | ... | |
| 659 | 644 |
return so; |
| 660 | 645 |
} |
| 661 | 646 |
|
| 662 |
#if 0 |
|
| 663 |
/* |
|
| 664 |
* Data is available in so_rcv |
|
| 665 |
* Just write() the data to the socket |
|
| 666 |
* XXX not yet... |
|
| 667 |
*/ |
|
| 668 |
static void |
|
| 669 |
sorwakeup(so) |
|
| 670 |
struct socket *so; |
|
| 671 |
{
|
|
| 672 |
/* sowrite(so); */ |
|
| 673 |
/* FD_CLR(so->s,&writefds); */ |
|
| 674 |
} |
|
| 675 |
|
|
| 676 |
/* |
|
| 677 |
* Data has been freed in so_snd |
|
| 678 |
* We have room for a read() if we want to |
|
| 679 |
* For now, don't read, it'll be done in the main loop |
|
| 680 |
*/ |
|
| 681 |
static void |
|
| 682 |
sowwakeup(so) |
|
| 683 |
struct socket *so; |
|
| 684 |
{
|
|
| 685 |
/* Nothing, yet */ |
|
| 686 |
} |
|
| 687 |
#endif |
|
| 688 |
|
|
| 689 | 647 |
/* |
| 690 | 648 |
* Various session state calls |
| 691 | 649 |
* XXX Should be #define's |
| ... | ... | |
| 746 | 704 |
} |
| 747 | 705 |
} |
| 748 | 706 |
|
| 749 |
void |
|
| 750 |
soisfdisconnected(struct socket *so) |
|
| 751 |
{
|
|
| 752 |
/* so->so_state &= ~(SS_ISFCONNECTING|SS_ISFCONNECTED); */ |
|
| 753 |
/* close(so->s); */ |
|
| 754 |
/* so->so_state = SS_ISFDISCONNECTED; */ |
|
| 755 |
/* |
|
| 756 |
* XXX Do nothing ... ? |
|
| 757 |
*/ |
|
| 758 |
} |
|
| 759 |
|
|
| 760 | 707 |
/* |
| 761 | 708 |
* Set write drain mode |
| 762 | 709 |
* Set CANTSENDMORE once all data has been write()n |
| b/slirp/socket.h | ||
|---|---|---|
| 5 | 5 |
* terms and conditions of the copyright. |
| 6 | 6 |
*/ |
| 7 | 7 |
|
| 8 |
/* MINE */ |
|
| 9 |
|
|
| 10 | 8 |
#ifndef _SLIRP_SOCKET_H_ |
| 11 | 9 |
#define _SLIRP_SOCKET_H_ |
| 12 | 10 |
|
| ... | ... | |
| 64 | 62 |
#define SS_ISFCONNECTED 0x004 /* Socket is connected to peer */ |
| 65 | 63 |
#define SS_FCANTRCVMORE 0x008 /* Socket can't receive more from peer (for half-closes) */ |
| 66 | 64 |
#define SS_FCANTSENDMORE 0x010 /* Socket can't send more to peer (for half-closes) */ |
| 67 |
/* #define SS_ISFDISCONNECTED 0x020*/ /* Socket has disconnected from peer, in 2MSL state */ |
|
| 68 | 65 |
#define SS_FWDRAIN 0x040 /* We received a FIN, drain data and set SS_FCANTSENDMORE */ |
| 69 | 66 |
|
| 70 | 67 |
#define SS_CTL 0x080 |
| ... | ... | |
| 89 | 86 |
struct socket * tcp_listen _P((u_int32_t, u_int, u_int32_t, u_int, int)); |
| 90 | 87 |
void soisfconnecting _P((register struct socket *)); |
| 91 | 88 |
void soisfconnected _P((register struct socket *)); |
| 92 |
void soisfdisconnected _P((struct socket *)); |
|
| 93 | 89 |
void sofwdrain _P((struct socket *)); |
| 94 | 90 |
struct iovec; /* For win32 */ |
| 95 | 91 |
size_t sopreprbuf(struct socket *so, struct iovec *iov, int *np); |
| b/slirp/tcp.h | ||
|---|---|---|
| 113 | 113 |
#undef TCP_NODELAY |
| 114 | 114 |
#define TCP_NODELAY 0x01 /* don't delay send to coalesce packets */ |
| 115 | 115 |
#undef TCP_MAXSEG |
| 116 |
/* #define TCP_MAXSEG 0x02 */ /* set maximum segment size */ |
|
| 117 | 116 |
|
| 118 | 117 |
/* |
| 119 | 118 |
* TCP FSM state definitions. |
| b/slirp/tcp_input.c | ||
|---|---|---|
| 81 | 81 |
if (tcp_emu((so),(m))) sbappend((so), (m)); \ |
| 82 | 82 |
} else \ |
| 83 | 83 |
sbappend((so), (m)); \ |
| 84 |
/* sorwakeup(so); */ \ |
|
| 85 | 84 |
} else {\
|
| 86 | 85 |
(flags) = tcp_reass((tp), (ti), (m)); \ |
| 87 | 86 |
tp->t_flags |= TF_ACKNOW; \ |
| ... | ... | |
| 101 | 100 |
if (tcp_emu((so),(m))) sbappend(so, (m)); \ |
| 102 | 101 |
} else \ |
| 103 | 102 |
sbappend((so), (m)); \ |
| 104 |
/* sorwakeup(so); */ \ |
|
| 105 | 103 |
} else { \
|
| 106 | 104 |
(flags) = tcp_reass((tp), (ti), (m)); \ |
| 107 | 105 |
tp->t_flags |= TF_ACKNOW; \ |
| ... | ... | |
| 211 | 209 |
remque(tcpiphdr2qlink(ti)); |
| 212 | 210 |
m = ti->ti_mbuf; |
| 213 | 211 |
ti = tcpiphdr_next(ti); |
| 214 |
/* if (so->so_state & SS_FCANTRCVMORE) */ |
|
| 215 | 212 |
if (so->so_state & SS_FCANTSENDMORE) |
| 216 | 213 |
m_freem(m); |
| 217 | 214 |
else {
|
| ... | ... | |
| 221 | 218 |
sbappend(so, m); |
| 222 | 219 |
} |
| 223 | 220 |
} while (ti != (struct tcpiphdr *)tp && ti->ti_seq == tp->rcv_nxt); |
| 224 |
/* sorwakeup(so); */ |
|
| 225 | 221 |
return (flags); |
| 226 | 222 |
} |
| 227 | 223 |
|
| ... | ... | |
| 241 | 237 |
register int tiflags; |
| 242 | 238 |
struct socket *so = NULL; |
| 243 | 239 |
int todrop, acked, ourfinisacked, needoutput = 0; |
| 244 |
/* int dropsocket = 0; */ |
|
| 245 | 240 |
int iss = 0; |
| 246 | 241 |
u_long tiwin; |
| 247 | 242 |
int ret; |
| 248 |
/* int ts_present = 0; */ |
|
| 249 | 243 |
struct ex_list *ex_ptr; |
| 250 | 244 |
|
| 251 | 245 |
DEBUG_CALL("tcp_input");
|
| ... | ... | |
| 300 | 294 |
ti->ti_x1 = 0; |
| 301 | 295 |
ti->ti_len = htons((u_int16_t)tlen); |
| 302 | 296 |
len = sizeof(struct ip ) + tlen; |
| 303 |
/* keep checksum for ICMP reply |
|
| 304 |
* ti->ti_sum = cksum(m, len); |
|
| 305 |
* if (ti->ti_sum) { */
|
|
| 306 | 297 |
if(cksum(m, len)) {
|
| 307 | 298 |
STAT(tcpstat.tcps_rcvbadsum++); |
| 308 | 299 |
goto drop; |
| ... | ... | |
| 322 | 313 |
if (off > sizeof (struct tcphdr)) {
|
| 323 | 314 |
optlen = off - sizeof (struct tcphdr); |
| 324 | 315 |
optp = mtod(m, caddr_t) + sizeof (struct tcpiphdr); |
| 325 |
|
|
| 326 |
/* |
|
| 327 |
* Do quick retrieval of timestamp options ("options
|
|
| 328 |
* prediction?"). If timestamp is the only option and it's |
|
| 329 |
* formatted as recommended in RFC 1323 appendix A, we |
|
| 330 |
* quickly get the values now and not bother calling |
|
| 331 |
* tcp_dooptions(), etc. |
|
| 332 |
*/ |
|
| 333 |
/* if ((optlen == TCPOLEN_TSTAMP_APPA || |
|
| 334 |
* (optlen > TCPOLEN_TSTAMP_APPA && |
|
| 335 |
* optp[TCPOLEN_TSTAMP_APPA] == TCPOPT_EOL)) && |
|
| 336 |
* *(u_int32_t *)optp == htonl(TCPOPT_TSTAMP_HDR) && |
|
| 337 |
* (ti->ti_flags & TH_SYN) == 0) {
|
|
| 338 |
* ts_present = 1; |
|
| 339 |
* ts_val = ntohl(*(u_int32_t *)(optp + 4)); |
|
| 340 |
* ts_ecr = ntohl(*(u_int32_t *)(optp + 8)); |
|
| 341 |
* optp = NULL; / * we've parsed the options * / |
|
| 342 |
* } |
|
| 343 |
*/ |
|
| 344 | 316 |
} |
| 345 | 317 |
tiflags = ti->ti_flags; |
| 346 | 318 |
|
| ... | ... | |
| 411 | 383 |
sbreserve(&so->so_snd, TCP_SNDSPACE); |
| 412 | 384 |
sbreserve(&so->so_rcv, TCP_RCVSPACE); |
| 413 | 385 |
|
| 414 |
/* tcp_last_so = so; */ /* XXX ? */ |
|
| 415 |
/* tp = sototcpcb(so); */ |
|
| 416 |
|
|
| 417 | 386 |
so->so_laddr = ti->ti_src; |
| 418 | 387 |
so->so_lport = ti->ti_sport; |
| 419 | 388 |
so->so_faddr = ti->ti_dst; |
| ... | ... | |
| 442 | 411 |
if (tp->t_state == TCPS_CLOSED) |
| 443 | 412 |
goto drop; |
| 444 | 413 |
|
| 445 |
/* Unscale the window into a 32-bit value. */ |
|
| 446 |
/* if ((tiflags & TH_SYN) == 0) |
|
| 447 |
* tiwin = ti->ti_win << tp->snd_scale; |
|
| 448 |
* else |
|
| 449 |
*/ |
|
| 450 |
tiwin = ti->ti_win; |
|
| 414 |
tiwin = ti->ti_win; |
|
| 451 | 415 |
|
| 452 | 416 |
/* |
| 453 | 417 |
* Segment received on connection. |
| ... | ... | |
| 465 | 429 |
*/ |
| 466 | 430 |
if (optp && tp->t_state != TCPS_LISTEN) |
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