int lua_apr_file_open(lua_State *L)
{
apr_status_t status;
lua_apr_file *file;
apr_int32_t flags;
const char *path;
apr_fileperms_t perm;
# if defined(WIN32) || defined(OS2) || defined(NETWARE)
/* On Windows apr_os_file_t isn't an integer: it's a HANDLE. */
if (0) ;
# else
/* On UNIX like systems apr_os_file_t is an integer. */
if (lua_isnumber(L, 1)) {
apr_os_file_t fd = (apr_os_file_t) lua_tonumber(L, 1);
flags = parse_mode_str(luaL_optstring(L, 2, "r"));
file = file_alloc(L, NULL, NULL);
status = apr_os_file_put(&file->handle, &fd, flags, file->pool->ptr);
}
# endif
else {
path = luaL_checkstring(L, 1);
perm = check_permissions(L, 3, 0);
flags = parse_mode_str(luaL_optstring(L, 2, "r"));
file = file_alloc(L, path, NULL);
status = apr_file_open(&file->handle, path, flags, perm, file->pool->ptr);
}
if (status != APR_SUCCESS)
return push_file_error(L, file, status);
init_file_buffers(L, file, !(flags & APR_FOPEN_BINARY));
return 1;
}
int main(int argc ,char *argv[])
{
struct stat buf;
pthread_t tid1,tid2;
void *rect;
if (argc < 3)
usage();
stat(argv[1],&buf);
if (!buf.st_size)
{
printf("empty file!aborted.\n");
exit(-1);
}
fi = file_alloc(argv[1],argv[2]);
sys_err(fi);
printf("starting copy %s to %s...\n",argv[1],argv[2]);
pthread_create(&tid1,NULL,tcopy,(void *)0);
pthread_create(&tid2,NULL,tcopy,(void *)1);
pthread_join(tid1,&rect);
pthread_join(tid2,&rect);
printf("copy %s to %s,completed.\n",argv[1],argv[2]);
free_mem();
return 0;
}
int fatfs_open(const char *pathname, int flags)
{
int ret;
int fildes;
FRESULT result;
fildes = file_alloc();
if (fildes < 0)
{
errno = ENFILE;
ret = -1;
}
else
{
result = fatfs_open_file_or_dir(pathname, flags, fildes);
if (result == FR_OK)
{
ret = fildes;
}
else
{
errno = fresult2errno(result);
file_free(fildes);
ret = -1;
}
}
return ret;
}
FILE * serdrv_tty_fopen(struct serdrv * drv)
{
struct tty_dev * tty;
FILE * f_raw;
FILE * f_tty;
f_raw = file_alloc(drv, &serdrv_ops);
tty = tty_attach(f_raw);
f_tty = tty_fopen(tty);
return f_tty;
}
int main(int argc, char **argv)
{
char *src,*srcf = "foo.tar"; int srcn;
char *f1,*f1t,*f1f = "temp.in.txt"; int f1n, f1nt;
char *f2,*f2t,*f2f = "temp.out.txt"; int f2n, f2nt;
FILE *fp;
Tar *t;
src = file_alloc(srcf,&srcn);
t = tar_from_data(src,srcn);
printf("testing tar\n");
#define TST(COND,MSG) \
if(!(COND)){ \
printf("error " MSG " cond " #COND "\n"); \
exit(1); \
}
f1 = file_alloc(f1f,&f1n);
f1t = tar_alloc_cur_file(t,&f1nt);
TST(0==strcmp(f1f,t->hdr.fname),"not the same filename")
TST(f1n == f1nt,"f1 lengths not equal");
TST(0==memcmp(f1,f1t,f1n),"f1 memory not the same");
free(f1);
free(f1t);
TST(tar_next(t),"couldn't move to second archive'd file");
f2 = file_alloc(f2f,&f2n);
f2t = tar_cur_file(t,&f2nt);
TST(0==strcmp(f2f,t->hdr.fname),"not the same filename")
TST(f2n == f2nt,"f2 lengths not equal");
TST(0==memcmp(f2,f2t,f2n),"f2 memory not the same");
free(f2);
TST(!tar_next(t),"able to move to third archive, should be EOF");
Tar_Destroy(t);
printf("done\n");
}
int _epoll_create(int ignored)
{
int i, fd;
struct epoll_file *ef = NULL;
struct file *f = NULL;
/* find epoll_file struct */
for(i = 0; i < EPOLL_MAXFDS; i++) {
if(!files[i].file) {
ef = &files[i];
break;
}
}
if(!ef) {
errno = ENOMEM;
return -1;
}
/* allocate file struct */
f = file_alloc();
if(!f) {
errno = ENOMEM;
return -1;
}
/* allocate fd */
fd = fd_alloc(f);
if(fd == -1) {
file_close(f);
errno = EMFILE;
return -1;
}
/* got everything, fill out structures */
f->f_ops = &epoll_operations;
f->f_cookie_ptr = (void *)ef;
ef->file = f;
for(i = 0; i < EPOLL_MAXFDS; i++) {
ef->entries[i].fd = -1;
}
/* return fd */
return fd;
}
static int get_pipe(lua_State *L, apr_file_t *handle, const char *key)
{
lua_apr_file *file;
if (object_env_private(L, 1)) {
lua_getfield(L, -1, key); /* get cached pipe object */
if (lua_type(L, -1) == LUA_TUSERDATA)
return 1; /* return cached pipe object */
lua_pop(L, 1); /* pop nil result from lua_getfield() */
}
if (handle != NULL) {
file = file_alloc(L, NULL, NULL);
file->handle = handle;
init_file_buffers(L, file, 1);
lua_pushvalue(L, -1); /* copy reference to userdata */
lua_setfield(L, -3, key); /* cache userdata in environment table */
return 1; /* return new pipe */
}
return 0;
}
/*
* Attempt to load the file (file) as an ELF module. It will be stored at
* (dest), and a pointer to a module structure describing the loaded object
* will be saved in (result).
*/
int
__elfN(obj_loadfile)(char *filename, u_int64_t dest,
struct preloaded_file **result)
{
struct preloaded_file *fp, *kfp;
struct elf_file ef;
Elf_Ehdr *hdr;
int err;
ssize_t bytes_read;
fp = NULL;
bzero(&ef, sizeof(struct elf_file));
/*
* Open the image, read and validate the ELF header
*/
if (filename == NULL) /* can't handle nameless */
return(EFTYPE);
if ((ef.fd = open(filename, O_RDONLY)) == -1)
return(errno);
hdr = &ef.hdr;
bytes_read = read(ef.fd, hdr, sizeof(*hdr));
if (bytes_read != sizeof(*hdr)) {
err = EFTYPE; /* could be EIO, but may be small file */
goto oerr;
}
/* Is it ELF? */
if (!IS_ELF(*hdr)) {
err = EFTYPE;
goto oerr;
}
if (hdr->e_ident[EI_CLASS] != ELF_TARG_CLASS || /* Layout ? */
hdr->e_ident[EI_DATA] != ELF_TARG_DATA ||
hdr->e_ident[EI_VERSION] != EV_CURRENT || /* Version ? */
hdr->e_version != EV_CURRENT ||
hdr->e_machine != ELF_TARG_MACH || /* Machine ? */
hdr->e_type != ET_REL) {
err = EFTYPE;
goto oerr;
}
if (hdr->e_shnum * hdr->e_shentsize == 0 || hdr->e_shoff == 0 ||
hdr->e_shentsize != sizeof(Elf_Shdr)) {
err = EFTYPE;
goto oerr;
}
kfp = file_findfile(NULL, NULL);
if (kfp == NULL) {
printf("elf" __XSTRING(__ELF_WORD_SIZE)
"_obj_loadfile: can't load module before kernel\n");
err = EPERM;
goto oerr;
}
if (strcmp(__elfN(obj_kerneltype), kfp->f_type)) {
printf("elf" __XSTRING(__ELF_WORD_SIZE)
"_obj_loadfile: can't load module with kernel type '%s'\n",
kfp->f_type);
err = EPERM;
goto oerr;
}
if (archsw.arch_loadaddr != NULL)
dest = archsw.arch_loadaddr(LOAD_ELF, hdr, dest);
else
dest = roundup(dest, PAGE_SIZE);
/*
* Ok, we think we should handle this.
*/
fp = file_alloc();
if (fp == NULL) {
printf("elf" __XSTRING(__ELF_WORD_SIZE)
"_obj_loadfile: cannot allocate module info\n");
err = EPERM;
goto out;
}
fp->f_name = strdup(filename);
fp->f_type = strdup(__elfN(obj_moduletype));
printf("%s ", filename);
fp->f_size = __elfN(obj_loadimage)(fp, &ef, dest);
if (fp->f_size == 0 || fp->f_addr == 0)
goto ioerr;
/* save exec header as metadata */
file_addmetadata(fp, MODINFOMD_ELFHDR, sizeof(*hdr), hdr);
/* Load OK, return module pointer */
*result = (struct preloaded_file *)fp;
err = 0;
goto out;
ioerr:
err = EIO;
oerr:
file_discard(fp);
out:
close(ef.fd);
if (ef.e_shdr != NULL)
free(ef.e_shdr);
return(err);
}
int
__elfN(loadfile_raw)(char *filename, u_int64_t dest,
struct preloaded_file **result, int multiboot)
{
struct preloaded_file *fp, *kfp;
struct elf_file ef;
Elf_Ehdr *ehdr;
int err;
fp = NULL;
bzero(&ef, sizeof(struct elf_file));
ef.fd = -1;
err = __elfN(load_elf_header)(filename, &ef);
if (err != 0)
return (err);
ehdr = ef.ehdr;
/*
* Check to see what sort of module we are.
*/
kfp = file_findfile(NULL, __elfN(kerneltype));
#ifdef __powerpc__
/*
* Kernels can be ET_DYN, so just assume the first loaded object is the
* kernel. This assumption will be checked later.
*/
if (kfp == NULL)
ef.kernel = 1;
#endif
if (ef.kernel || ehdr->e_type == ET_EXEC) {
/* Looks like a kernel */
if (kfp != NULL) {
printf("elf" __XSTRING(__ELF_WORD_SIZE) "_loadfile: kernel already loaded\n");
err = EPERM;
goto oerr;
}
/*
* Calculate destination address based on kernel entrypoint.
*
* For ARM, the destination address is independent of any values in the
* elf header (an ARM kernel can be loaded at any 2MB boundary), so we
* leave dest set to the value calculated by archsw.arch_loadaddr() and
* passed in to this function.
*/
#ifndef __arm__
if (ehdr->e_type == ET_EXEC)
dest = (ehdr->e_entry & ~PAGE_MASK);
#endif
if ((ehdr->e_entry & ~PAGE_MASK) == 0) {
printf("elf" __XSTRING(__ELF_WORD_SIZE) "_loadfile: not a kernel (maybe static binary?)\n");
err = EPERM;
goto oerr;
}
ef.kernel = 1;
} else if (ehdr->e_type == ET_DYN) {
/* Looks like a kld module */
if (multiboot != 0) {
printf("elf" __XSTRING(__ELF_WORD_SIZE) "_loadfile: can't load module as multiboot\n");
err = EPERM;
goto oerr;
}
if (kfp == NULL) {
printf("elf" __XSTRING(__ELF_WORD_SIZE) "_loadfile: can't load module before kernel\n");
err = EPERM;
goto oerr;
}
if (strcmp(__elfN(kerneltype), kfp->f_type)) {
printf("elf" __XSTRING(__ELF_WORD_SIZE) "_loadfile: can't load module with kernel type '%s'\n", kfp->f_type);
err = EPERM;
goto oerr;
}
/* Looks OK, got ahead */
ef.kernel = 0;
} else {
err = EFTYPE;
goto oerr;
}
if (archsw.arch_loadaddr != NULL)
dest = archsw.arch_loadaddr(LOAD_ELF, ehdr, dest);
else
dest = roundup(dest, PAGE_SIZE);
/*
* Ok, we think we should handle this.
*/
fp = file_alloc();
if (fp == NULL) {
printf("elf" __XSTRING(__ELF_WORD_SIZE) "_loadfile: cannot allocate module info\n");
err = EPERM;
goto out;
}
if (ef.kernel == 1 && multiboot == 0)
setenv("kernelname", filename, 1);
fp->f_name = strdup(filename);
if (multiboot == 0)
fp->f_type = strdup(ef.kernel ?
__elfN(kerneltype) : __elfN(moduletype));
else
fp->f_type = strdup("elf multiboot kernel");
#ifdef ELF_VERBOSE
if (ef.kernel)
printf("%s entry at 0x%jx\n", filename, (uintmax_t)ehdr->e_entry);
#else
printf("%s ", filename);
#endif
fp->f_size = __elfN(loadimage)(fp, &ef, dest);
if (fp->f_size == 0 || fp->f_addr == 0)
goto ioerr;
/* save exec header as metadata */
file_addmetadata(fp, MODINFOMD_ELFHDR, sizeof(*ehdr), ehdr);
/* Load OK, return module pointer */
*result = (struct preloaded_file *)fp;
err = 0;
goto out;
ioerr:
err = EIO;
oerr:
file_discard(fp);
out:
if (ef.firstpage)
free(ef.firstpage);
if (ef.fd != -1)
close(ef.fd);
return(err);
}
static int
multiboot_loadfile(char *filename, u_int64_t dest,
struct preloaded_file **result)
{
uint32_t *magic;
int i, error;
caddr_t header_search;
ssize_t search_size;
int fd;
struct multiboot_header *header;
struct preloaded_file *fp;
if (filename == NULL)
return (EFTYPE);
/* is kernel already loaded? */
fp = file_findfile(NULL, NULL);
if (fp != NULL) {
return (EFTYPE);
}
if ((fd = open(filename, O_RDONLY)) == -1)
return (errno);
/*
* Read MULTIBOOT_SEARCH size in order to search for the
* multiboot magic header.
*/
header_search = malloc(MULTIBOOT_SEARCH);
if (header_search == NULL) {
close(fd);
return (ENOMEM);
}
search_size = read(fd, header_search, MULTIBOOT_SEARCH);
magic = (uint32_t *)header_search;
header = NULL;
for (i = 0; i < (search_size / sizeof(uint32_t)); i++) {
if (magic[i] == MULTIBOOT_HEADER_MAGIC) {
header = (struct multiboot_header *)&magic[i];
break;
}
}
if (header == NULL) {
error = EFTYPE;
goto out;
}
/* Valid multiboot header has been found, validate checksum */
if (header->magic + header->flags + header->checksum != 0) {
printf(
"Multiboot checksum failed, magic: 0x%x flags: 0x%x checksum: 0x%x\n",
header->magic, header->flags, header->checksum);
error = EFTYPE;
goto out;
}
if ((header->flags & ~MULTIBOOT_SUPPORTED_FLAGS) != 0) {
printf("Unsupported multiboot flags found: 0x%x\n",
header->flags);
error = EFTYPE;
goto out;
}
/* AOUT KLUDGE means we just load entire flat file as blob */
if (header->flags & MULTIBOOT_AOUT_KLUDGE) {
vm_offset_t laddr;
int got;
dest = header->load_addr;
if (lseek(fd, 0, SEEK_SET) == -1) {
printf("lseek failed\n");
error = EIO;
goto out;
}
laddr = dest;
for (;;) {
got = archsw.arch_readin(fd, laddr, 4096);
if (got == 0)
break;
if (got < 0) {
printf("error reading: %s", strerror(errno));
error = EIO;
goto out;
}
laddr += got;
}
fp = file_alloc();
if (fp == NULL) {
error = ENOMEM;
goto out;
}
fp->f_name = strdup(filename);
fp->f_type = strdup("aout multiboot kernel");
fp->f_addr = header->entry_addr;
fp->f_size = laddr - dest;
if (fp->f_size == 0) {
file_discard(fp);
error = EIO;
goto out;
}
fp->f_metadata = NULL;
error = 0;
} else {
error = elf32_loadfile_raw(filename, dest, &fp, 1);
if (error != 0) {
printf("elf32_loadfile_raw failed: %d unable to "
"load multiboot kernel\n", error);
goto out;
}
}
setenv("kernelname", fp->f_name, 1);
bios_addsmapdata(fp);
*result = fp;
out:
free(header_search);
close(fd);
return (error);
}
/*
* Attempt to load the file (file) as an ELF module. It will be stored at
* (dest), and a pointer to a module structure describing the loaded object
* will be saved in (result).
*/
int
__elfN(loadfile)(char *filename, u_int64_t dest, struct preloaded_file **result)
{
struct preloaded_file *fp, *kfp;
struct elf_file ef;
Elf_Ehdr *ehdr;
int err;
ssize_t bytes_read;
fp = NULL;
bzero(&ef, sizeof(struct elf_file));
/*
* Open the image, read and validate the ELF header
*/
if (filename == NULL) /* can't handle nameless */
return(EFTYPE);
if ((ef.fd = open(filename, O_RDONLY)) == -1)
return(errno);
ef.firstpage = malloc(PAGE_SIZE);
if (ef.firstpage == NULL) {
close(ef.fd);
return(ENOMEM);
}
bytes_read = read(ef.fd, ef.firstpage, PAGE_SIZE);
ef.firstlen = (size_t)bytes_read;
if (bytes_read < 0 || ef.firstlen <= sizeof(Elf_Ehdr)) {
err = EFTYPE; /* could be EIO, but may be small file */
goto oerr;
}
ehdr = ef.ehdr = (Elf_Ehdr *)ef.firstpage;
/* Is it ELF? */
if (!IS_ELF(*ehdr)) {
err = EFTYPE;
goto oerr;
}
if (ehdr->e_ident[EI_CLASS] != ELF_TARG_CLASS || /* Layout ? */
ehdr->e_ident[EI_DATA] != ELF_TARG_DATA ||
ehdr->e_ident[EI_VERSION] != EV_CURRENT || /* Version ? */
ehdr->e_version != EV_CURRENT ||
ehdr->e_machine != ELF_TARG_MACH) { /* Machine ? */
err = EFTYPE;
goto oerr;
}
/*
* Check to see what sort of module we are.
*/
kfp = file_findfile(NULL, NULL);
if (ehdr->e_type == ET_DYN) {
/* Looks like a kld module */
if (kfp == NULL) {
printf("elf" __XSTRING(__ELF_WORD_SIZE) "_loadfile: can't load module before kernel\n");
err = EPERM;
goto oerr;
}
if (strcmp(__elfN(kerneltype), kfp->f_type)) {
printf("elf" __XSTRING(__ELF_WORD_SIZE) "_loadfile: can't load module with kernel type '%s'\n", kfp->f_type);
err = EPERM;
goto oerr;
}
/* Looks OK, got ahead */
ef.kernel = 0;
} else if (ehdr->e_type == ET_EXEC) {
/* Looks like a kernel */
if (kfp != NULL) {
printf("elf" __XSTRING(__ELF_WORD_SIZE) "_loadfile: kernel already loaded\n");
err = EPERM;
goto oerr;
}
/*
* Calculate destination address based on kernel entrypoint
*/
dest = (ehdr->e_entry & ~PAGE_MASK);
if (dest == 0) {
printf("elf" __XSTRING(__ELF_WORD_SIZE) "_loadfile: not a kernel (maybe static binary?)\n");
err = EPERM;
goto oerr;
}
ef.kernel = 1;
} else {
err = EFTYPE;
goto oerr;
}
if (archsw.arch_loadaddr != NULL)
dest = archsw.arch_loadaddr(LOAD_ELF, ehdr, dest);
else
dest = roundup(dest, PAGE_SIZE);
/*
* Ok, we think we should handle this.
*/
fp = file_alloc();
if (fp == NULL) {
printf("elf" __XSTRING(__ELF_WORD_SIZE) "_loadfile: cannot allocate module info\n");
err = EPERM;
goto out;
}
if (ef.kernel)
setenv("kernelname", filename, 1);
fp->f_name = strdup(filename);
fp->f_type = strdup(ef.kernel ? __elfN(kerneltype) : __elfN(moduletype));
#ifdef ELF_VERBOSE
if (ef.kernel)
printf("%s entry at 0x%jx\n", filename, (uintmax_t)ehdr->e_entry);
#else
printf("%s ", filename);
#endif
fp->f_size = __elfN(loadimage)(fp, &ef, dest);
if (fp->f_size == 0 || fp->f_addr == 0)
goto ioerr;
/* save exec header as metadata */
file_addmetadata(fp, MODINFOMD_ELFHDR, sizeof(*ehdr), ehdr);
/* Load OK, return module pointer */
*result = (struct preloaded_file *)fp;
err = 0;
goto out;
ioerr:
err = EIO;
oerr:
file_discard(fp);
out:
if (ef.firstpage)
free(ef.firstpage);
close(ef.fd);
return(err);
}
struct file * serial_fopen(struct serial_dev * dev)
{
return file_alloc(dev, &serial_fileop);
}