/* Loads the lump into the given buffer, which must be >= RTS_SoundLength() */
static void RTS_ReadLump(int32_t lump, void *dest)
{
lumpinfo_t *l = &rts_lumpinfo[lump];
klseek(l->handle, l->position, SEEK_SET);
kread(l->handle, dest, l->size);
}
/*
= RTS_AddFile
=
= All files are optional, but at least one file must be found
= Files with a .rts extension are wadlink files with multiple lumps
= Other files are single lumps with the base filename for the lump name
*/
static int32_t RTS_AddFile(const char *filename)
{
wadinfo_t header;
int32_t i, handle, length, startlump;
filelump_t *fileinfo, *fileinfoo;
// read the entire file in
// FIXME: shared opens
handle = kopen4loadfrommod(filename, 0);
if (handle < 0)
{
initprintf("RTS file \"%s\" was not found\n",filename);
return -1;
}
startlump = rts_numlumps;
// WAD file
i = kread(handle, &header, sizeof(header));
if (i != sizeof(header) || Bmemcmp(header.identification, "IWAD", 4))
{
initprintf("RTS file \"%s\" too short or doesn't have IWAD id\n", filename);
kclose(handle);
return -1;
}
header.numlumps = B_LITTLE32(header.numlumps);
header.infotableofs = B_LITTLE32(header.infotableofs);
length = header.numlumps*sizeof(filelump_t);
fileinfo = fileinfoo = (filelump_t *)Xmalloc(length);
klseek(handle, header.infotableofs, SEEK_SET);
kread(handle, fileinfo, length);
{
lumpinfo_t *lump_p = (lumpinfo_t *)Xrealloc(
rts_lumpinfo, (rts_numlumps + header.numlumps)*sizeof(lumpinfo_t));
rts_lumpinfo = lump_p;
}
rts_numlumps += header.numlumps;
for (i=startlump; i<rts_numlumps; i++, fileinfo++)
{
lumpinfo_t *lump = &rts_lumpinfo[i];
lump->handle = handle; // NOTE: cache1d-file is not closed!
lump->position = B_LITTLE32(fileinfo->filepos);
lump->size = B_LITTLE32(fileinfo->size);
Bstrncpy(lump->name, fileinfo->name, 8);
}
Bfree(fileinfoo);
return 0;
}
/** Reads kernel memory.
* Seeks to the specified location in kmem, then
* does a read of given amount ob bytes into target buffer.
*
* @param off The location to seek.
*
* @param target The target buffer to read into.
*
* @param siz Number of bytes to read.
*
* @return gives 1 on success and 0 on failure.
*/
int klookup (unsigned long off, void *target, size_t siz)
{
long retsiz;
if (kmem < 0)
return 0;
if ((retsiz = klseek ((off_t) off)) != off)
{
snmp_log (LOG_ERR, "klookup(%lx, %p, %d): ", off, target, siz);
snmp_log_perror ("klseek");
return (0);
}
if ((retsiz = klread (target, siz)) != siz)
{
if (snmp_get_do_debugging ())
{
/*
* these happen too often on too many architectures to print them
* unless we're in debugging mode. People get very full log files.
*/
snmp_log (LOG_ERR, "klookup(%lx, %p, %d): ", off, target, siz);
snmp_log_perror ("klread");
}
return (0);
}
DEBUGMSGTL (("verbose:kernel:klookup", "klookup(%lx, %p, %d) succeeded", off, target, siz));
return (1);
}
int
klookup(unsigned long off,
char *target,
int siz)
{
long retsiz;
if (kmem < 0) return 0;
if ((retsiz = klseek((off_t) off)) != off) {
snmp_log(LOG_ERR, "klookup(%lx, %p, %d): ", off, target, siz);
snmp_log_perror("klseek");
#ifdef EXIT_ON_BAD_KLREAD
exit(1);
#endif
return (0);
}
if ((retsiz = klread(target, siz)) != siz ) {
if (snmp_get_do_debugging()) {
/* these happen too often on too many architectures to print them
unless we're in debugging mode. People get very full log files. */
snmp_log(LOG_ERR, "klookup(%lx, %p, %d): ", off, target, siz);
snmp_log_perror("klread");
}
#ifdef EXIT_ON_BAD_KLREAD
exit(1);
#endif
return(0);
}
return (1);
}
uint64_t sys_lseek_file(int fd, uint64_t offset, int whence){
int x = klseek(fd,offset,whence);
//printf("cursor : %d" , file_table[4].cursor);
return x;
}
/*
====================
=
= RTS_ReadLump
=
= Loads the lump into the given buffer, which must be >= RTS_SoundLength()
=
====================
*/
void RTS_ReadLump (int32 lump, void *dest)
{
lumpinfo_t *l;
if (lump >= numlumps)
Error ("RTS_ReadLump: %i >= numlumps",lump);
if (lump < 0)
Error ("RTS_ReadLump: %i < 0",lump);
l = lumpinfo+lump;
klseek (l->handle, l->position, SEEK_SET);
kread(l->handle,dest,l->size);
}
int main () {
// INIT FS HERE
init_fs();
int retval, i;
int fd;
int index_node_number;
/* Some arbitrary data for our files */
memset (data1, '1', sizeof (data1));
memset (data2, '2', sizeof (data2));
memset (data3, '3', sizeof (data3));
#ifdef TEST1
kmkdir("/home");
kcreat("/home/file");
/* ****TEST 1: MAXIMUM file creation**** */
/* Assumes the pre-existence of a root directory file "/"
that is neither created nor deleted in this test sequence */
/* Generate MAXIMUM regular files */
for (i = 0; i < MAX_FILES + 1; i++) { // go beyond the limit
sprintf (pathname, "/file%d", i);
retval = kcreat (pathname);
if (retval < 0) {
fprintf (stderr, "kcreate: File creation error! status: %d\n",
retval);
if (i != MAX_FILES)
exit (1);
}
memset (pathname, 0, 80);
}
/* Delete all the files created */
for (i = 0; i < MAX_FILES; i++) {
sprintf (pathname, "/file%d", i);
retval = kunlink (pathname);
if (retval < 0) {
fprintf (stderr, "kunlink: File deletion error! status: %d\n",
retval);
exit (1);
}
memset (pathname, 0, 80);
}
#endif // TEST1
#ifdef TEST2
/* ****TEST 2: LARGEST file size**** */
/* Generate one LARGEST file */
retval = kcreat ("/bigfile");
if (retval < 0) {
fprintf (stderr, "kcreat: File creation error! status: %d\n",
retval);
exit (1);
}
printf("kcreat succesful\n");
retval = kopen ("/bigfile"); /* Open file to write to it */
if (retval < 0) {
fprintf (stderr, "kopen: File open error! status: %d\n",
retval);
exit (1);
}
printf("kopen succesful\n");
fd = retval; /* Assign valid fd */
/* Try writing to all direct data blocks */
retval = kwrite (fd, data1, sizeof(data1));
if (retval < 0) {
fprintf (stderr, "kwrite: File write STAGE1 error! status: %d\n",
retval);
exit (1);
}
printf("kwrite direct succesful\n");
#ifdef TEST_SINGLE_INDIRECT
/* Try writing to all single-indirect data blocks */
retval = kwrite (fd, data2, sizeof(data2));
if (retval < 0) {
fprintf (stderr, "kwrite: File write STAGE2 error! status: %d\n",
retval);
exit (1);
}
printf("kwrite 1 indirect succesful\n");
#ifdef TEST_DOUBLE_INDIRECT
/* Try writing to all double-indirect data blocks */
retval = kwrite (fd, data3, sizeof(data3));
printf("kwrite 2 actually writes = %d, suppose to write = %ld\n", retval, sizeof(data3));
if (retval < 0) {
fprintf (stderr, "kwrite: File write STAGE3 error! status: %d\n",
retval);
exit (1);
}
printf("PASSED TEST2\n");
#endif // TEST_DOUBLE_INDIRECT
#endif // TEST_SINGLE_INDIRECT
#endif // TEST2
#ifdef TEST3
/* ****TEST 3: Seek and Read file test**** */
retval = klseek (fd, 0); /* Go back to the beginning of your file */
if (retval < 0) {
fprintf (stderr, "klseek: File seek error! status: %d\n",
retval);
exit (1);
}
/* Try reading from all direct data blocks */
retval = kread (fd, addr, sizeof(data1));
if (retval < 0) {
fprintf (stderr, "kread: File read STAGE1 error! status: %d\n",
retval);
exit (1);
}
/* Should be all 1s here... */
printf ("Data at addr: %s\n", addr);
printf("PASSED TEST3-Direct Block read\n");
#ifdef TEST_SINGLE_INDIRECT
/* Try reading from all single-indirect data blocks */
retval = kread (fd, addr, sizeof(data2));
if (retval < 0) {
fprintf (stderr, "kread: File read STAGE2 error! status: %d\n",
retval);
exit (1);
}
/* Should be all 2s here... */
printf ("Data at addr: %s\n", addr);
printf("PASSED TEST3-1 Redirect Block read\n");
#ifdef TEST_DOUBLE_INDIRECT
/* Try reading from all double-indirect data blocks */
retval = kread (fd, addr, sizeof(data3));
if (retval < 0) {
fprintf (stderr, "kread: File read STAGE3 error! status: %d\n",
retval);
exit (1);
}
/* Should be all 3s here... */
printf ("Data at addr: %s\n", addr);
printf("PASSED TEST3-2 Redirect Block read\n");
#endif // TEST_DOUBLE_INDIRECT
#endif // TEST_SINGLE_INDIRECT
/* Close the bigfile */
retval = kclose (fd);
if (retval < 0) {
fprintf (stderr, "kclose: File close error! status: %d\n",
retval);
exit (1);
}
/* Remove the biggest file */
retval = kunlink ("/bigfile");
if (retval < 0) {
fprintf (stderr, "kunlink: /bigfile file deletion error! status: %d\n",
retval);
exit (1);
}
#endif // TEST3
#ifdef TEST4
/* ****TEST 4: Make directory and read directory entries**** */
retval = kmkdir ("/dir1");
if (retval < 0) {
fprintf (stderr, "kmkdir: Directory 1 creation error! status: %d\n",
retval);
exit (1);
}
retval = kmkdir ("/dir1/dir2");
if (retval < 0) {
fprintf (stderr, "kmkdir: Directory 2 creation error! status: %d\n",
retval);
exit (1);
}
retval = kmkdir ("/dir1/dir3");
if (retval < 0) {
fprintf (stderr, "kmkdir: Directory 3 creation error! status: %d\n",
retval);
exit (1);
}
retval = kopen ("/dir1"); /* Open directory file to read its entries */
if (retval < 0) {
fprintf (stderr, "kopen: Directory open error! status: %d\n",
retval);
exit (1);
}
fd = retval; /* Assign valid fd */
memset (addr, 0, sizeof(addr)); /* Clear scratchpad memory */
while ((retval = kreaddir (fd, addr))) { /* 0 indicates end-of-file */
if (retval < 0) {
fprintf (stderr, "kreaddir: Directory read error! status: %d\n",
retval);
exit (1);
}
/*
printf("user\n");
int zz = 0;
for (zz; zz < 16; zz++) {
printf("%d ", *((unsigned char *)addr + zz));
}
printf("\n");
*/
index_node_number = atoi(&addr[14]);
printf ("Contents at addr: [%s,%d]\n", addr, index_node_number);
}
#endif // TEST4
#ifdef TEST5
/* ****TEST 5: 2 process test**** */
if((retval = fork())) {
if(retval == -1) {
fprintf(stderr, "Failed to fork\n");
exit(1);
}
/* Generate 300 regular files */
for (i = 0; i < 300; i++) {
sprintf (pathname, "/file_p_%d", i);
retval = kcreat (pathname);
if (retval < 0) {
fprintf (stderr, "(Parent) kcreate: File creation error! status: %d\n",
retval);
exit(1);
}
memset (pathname, 0, 80);
}
}
else {
/* Generate 300 regular files */
for (i = 0; i < 300; i++) {
sprintf (pathname, "/file_c_%d", i);
retval = kcreat (pathname);
if (retval < 0) {
fprintf (stderr, "(Child) kcreate: File creation error! status: %d\n",
retval);
exit(1);
}
memset (pathname, 0, 80);
}
}
#endif // TEST5
fprintf(stdout, "Congratulations, you have passed all tests!!\n");
return 0;
}
int
main(int argc, char **argv)
{
int ch, i, jflag, npcbs;
const char *core, *syst;
nl[0].n_name = strdup("_tcp_debug");
nl[1].n_name = strdup("_tcp_debx");
jflag = npcbs = 0;
while ((ch = getopt(argc, argv, "afjp:st")) != -1)
switch (ch) {
case 'a':
++aflag;
break;
case 'f':
++follow;
setlinebuf(stdout);
break;
case 'j':
++jflag;
break;
case 'p':
if (npcbs >= TCP_NDEBUG)
errx(1, "too many pcb's specified");
(void)sscanf(optarg, "%x", (int *)&tcp_pcbs[npcbs++]);
break;
case 's':
++sflag;
break;
case 't':
++tflag;
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
core = _PATH_KMEM;
if (argc > 0) {
syst = *argv;
argc--, argv++;
if (argc > 0) {
core = *argv;
argc--, argv++;
++kflag;
}
/*
* Discard setgid privileges if not the running kernel so that
* bad guys can't print interesting stuff from kernel memory.
*/
if (setgid(getgid()) != 0)
err(1, "setgid");
}
else
syst = getbootfile();
if (nlist(syst, nl) < 0 || !nl[0].n_value)
errx(1, "%s: no namelist", syst);
if ((memf = open(core, O_RDONLY)) < 0)
err(2, "%s", core);
if (setgid(getgid()) != 0)
err(1, "setgid");
if (kflag)
errx(1, "can't do core files yet");
(void)klseek(memf, (off_t)nl[N_TCP_DEBX].n_value, L_SET);
if (read(memf, (char *)&tcp_debx, sizeof(tcp_debx)) !=
sizeof(tcp_debx))
err(3, "tcp_debx");
(void)klseek(memf, (off_t)nl[N_TCP_DEBUG].n_value, L_SET);
if (read(memf, (char *)tcp_debug, sizeof(tcp_debug)) !=
sizeof(tcp_debug))
err(3, "tcp_debug");
/*
* If no control blocks have been specified, figure
* out how many distinct one we have and summarize
* them in tcp_pcbs for sorting the trace records
* below.
*/
if (!npcbs) {
for (i = 0; i < TCP_NDEBUG; i++) {
register struct tcp_debug *td = &tcp_debug[i];
register int j;
if (td->td_tcb == 0)
continue;
for (j = 0; j < npcbs; j++)
if (tcp_pcbs[j] == td->td_tcb)
break;
if (j >= npcbs)
tcp_pcbs[npcbs++] = td->td_tcb;
}
if (!npcbs)
exit(0);
}
qsort(tcp_pcbs, npcbs, sizeof(caddr_t), numeric);
if (jflag) {
for (i = 0;;) {
printf("%p", (void *)tcp_pcbs[i]);
if (++i == npcbs)
break;
fputs(", ", stdout);
}
putchar('\n');
}
else for (i = 0; i < npcbs; i++) {
printf("\n%p:\n", tcp_pcbs[i]);
dotrace(tcp_pcbs[i]);
}
exit(0);
}
int32 RTS_AddFile (char *filename)
{
wadinfo_t header;
lumpinfo_t *lump_p;
uint32 i;
int32 handle, length;
int32 startlump;
filelump_t *fileinfo, *fileinfoo;
//
// read the entire file in
// FIXME: shared opens
handle = kopen4load(filename, 0);
if (handle < 0) {
initprintf("RTS file %s was not found\n",filename);
return -1;
}
startlump = numlumps;
// WAD file
initprintf(" Adding %s.\n",filename);
kread( handle, &header, sizeof( header ) );
if (strncmp(header.identification,"IWAD",4)) {
initprintf("RTS file %s doesn't have IWAD id\n",filename);
kclose(handle);
return -1;
}
header.numlumps = IntelLong(header.numlumps);
header.infotableofs = IntelLong(header.infotableofs);
length = header.numlumps*sizeof(filelump_t);
fileinfo = fileinfoo = (filelump_t*)malloc (length);
if (!fileinfo) {
initprintf("RTS file could not allocate header info\n");
kclose(handle);
return -1;
}
klseek (handle, header.infotableofs, SEEK_SET);
kread(handle, fileinfo, length);
//
// Fill in lumpinfo
//
lump_p = realloc(lumpinfo, (numlumps + header.numlumps)*sizeof(lumpinfo_t));
if (!lump_p) {
kclose(handle);
return -1;
}
lumpinfo = lump_p;
numlumps += header.numlumps;
lump_p = &lumpinfo[startlump];
for (i=startlump ; i<(uint32)numlumps ; i++,lump_p++, fileinfo++)
{
lump_p->handle = handle;
lump_p->position = IntelLong(fileinfo->filepos);
lump_p->size = IntelLong(fileinfo->size);
strncpy (lump_p->name, fileinfo->name, 8);
}
free(fileinfoo);
return 0;
}
void
dotrace(caddr_t tcpcb)
{
struct tcp_debug *td;
int i;
int prev_debx, family;
prev_debx = tcp_debx;
again: if (--tcp_debx < 0)
tcp_debx = TCP_NDEBUG - 1;
for (i = prev_debx % TCP_NDEBUG; i < TCP_NDEBUG; i++) {
td = &tcp_debug[i];
if (tcpcb && td->td_tcb != tcpcb)
continue;
ntime = ntohl(td->td_time);
#ifdef INET6
family = td->td_family;
#else
family = AF_INET;
#endif
switch(family) {
case AF_INET:
tcp_trace(td->td_act, td->td_ostate,
(struct tcpcb *)td->td_tcb,
&td->td_cb, td->td_family, &td->td_ti.ti_i,
&td->td_ti.ti_t, td->td_req);
break;
#ifdef INET6
case AF_INET6:
tcp_trace(td->td_act, td->td_ostate,
(struct tcpcb *)td->td_tcb,
&td->td_cb, td->td_family, &td->td_ti6.ip6,
&td->td_ti6.th, td->td_req);
break;
#endif
}
if (i == tcp_debx)
goto done;
}
for (i = 0; i <= tcp_debx % TCP_NDEBUG; i++) {
td = &tcp_debug[i];
if (tcpcb && td->td_tcb != tcpcb)
continue;
ntime = ntohl(td->td_time);
#ifdef INET6
family = td->td_family;
#else
family = AF_INET;
#endif
switch(family) {
case AF_INET:
tcp_trace(td->td_act, td->td_ostate,
(struct tcpcb *)td->td_tcb,
&td->td_cb, td->td_family, &td->td_ti.ti_i,
&td->td_ti.ti_t, td->td_req);
break;
#ifdef INET6
case AF_INET6:
tcp_trace(td->td_act, td->td_ostate,
(struct tcpcb *)td->td_tcb,
&td->td_cb, td->td_family, &td->td_ti6.ip6,
&td->td_ti6.th, td->td_req);
break;
#endif
}
}
done: if (follow) {
prev_debx = tcp_debx + 1;
if (prev_debx >= TCP_NDEBUG)
prev_debx = 0;
do {
sleep(1);
klseek(memf, (off_t)nl[N_TCP_DEBX].n_value, L_SET);
if (read(memf, (char *)&tcp_debx, sizeof(tcp_debx)) !=
sizeof(tcp_debx))
err(3, "tcp_debx");
} while (tcp_debx == prev_debx);
klseek(memf, (off_t)nl[N_TCP_DEBUG].n_value, L_SET);
if (read(memf, (char *)tcp_debug, sizeof(tcp_debug)) !=
sizeof(tcp_debug))
err(3, "tcp_debug");
goto again;
}
}
static int F_CALLBACKAPI f_seek(unsigned int handle, int pos, signed char mode)
{
return klseek(handle - 1, pos, mode);
}
struct loaderplugin_t* pluginloader_loadPluginFromFile(struct pluginloader_t* loader, char* pluginPath)
{
if (!loader || !pluginPath)
return NULL;
int fd = kopen(pluginPath, O_RDONLY, 0);
if (fd < 0)
{
WriteLog(LL_Error, "could not load plugin (%s).", pluginPath);
return NULL;
}
struct stat statbuf;
kmemset(&statbuf, 0, sizeof(statbuf));
// Get the file size
int res = kfstat(fd, &statbuf);
if (res < 0)
{
WriteLog(LL_Error, "could not get %d handle stat: %d", fd, res);
kclose(fd);
return NULL;
}
// Verify that our plugin is under the size limit
size_t pluginSize = statbuf.st_size;
if (pluginSize > PLUGIN_MAXSIZE)
{
WriteLog(LL_Warn, "plugin (%s) is too large, skipping.", pluginPath);
kclose(fd);
return NULL;
}
uint8_t* pluginData = (uint8_t*)kmalloc(pluginSize);
if (!pluginData)
{
WriteLog(LL_Error, "could not allocate space for plugin (%s) (size: %lld)", pluginPath, pluginSize);
kclose(fd);
return NULL;
}
kmemset(pluginData, 0, pluginSize);
// Read out our plugin data
klseek(fd, 0, SEEK_SET);
kread(fd, pluginData, pluginSize);
kclose(fd);
// Allocate a new entry for our list
struct loaderplugin_t* entry = (struct loaderplugin_t*)kmalloc(sizeof(struct loaderplugin_t));
if (!entry)
{
WriteLog(LL_Error, "could not allocate new entry");
kfree(pluginData, pluginSize);
return NULL;
}
entry->data = pluginData;
entry->dataLength = pluginSize;
entry->plugin = NULL; // do not create the plugin here
size_t pathLength = strlen(pluginPath);
if (pathLength > sizeof(entry->path))
WriteLog(LL_Warn, "path is too long, not setting");
else
kmemcpy(entry->path, pluginPath, pathLength);
return entry;
}
