char *canonicalize_file_name(const char *path)
{
const char *p;
libc_func(canonicalize_file_name, char*, const char*);
char *r, *oldr;
TRAP_PATH_LOCK;
p = trap_path(path);
if (p == NULL)
r = NULL;
else {
r = _canonicalize_file_name(p);
if (p == path) {
DBG(DBG_PATH, "testbed wrapped canonicalize_file_name(%s) -> %s (not wrapped)\n", path, r);
} else if (r != NULL) {
/* cut off the prefix again */
oldr = r;
r = strdup(r + trap_path_prefix_len);
free (oldr);
DBG(DBG_PATH, "testbed wrapped canonicalize_file_name(%s -> %s) -> %s (wrapped)\n", path, p, r);
}
}
TRAP_PATH_UNLOCK;
return r;
}
int
connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen)
{
libc_func(connect, int, int, const struct sockaddr *, socklen_t);
int res;
/* playback */
if (addr->sa_family == AF_UNIX) {
const char *sock_path = ((struct sockaddr_un *) addr)->sun_path;
TRAP_PATH_LOCK;
const char *p = trap_path(sock_path);
struct sockaddr_un trapped_addr;
if (p != sock_path) {
DBG(DBG_NETLINK, "testbed wrapped connect: redirecting Unix socket %s to %s\n", sock_path, p);
trapped_addr.sun_family = AF_UNIX;
strncpy(trapped_addr.sun_path, p, sizeof(trapped_addr.sun_path));
addr = (struct sockaddr*) &trapped_addr;
}
TRAP_PATH_UNLOCK;
}
res = _connect(sockfd, addr, addrlen);
script_record_connect(sockfd, addr, addrlen, res);
return res;
}
TS_EXPORT int open(const char *path, int flags, ...)
{
const char *p;
char buf[PATH_MAX * 2];
static int (*_open)(const char *path, int flags, ...);
if (!get_rootpath(__func__))
return -1;
_open = get_libc_func("open");
p = trap_path(path, buf);
if (p == NULL)
return -1;
if (flags & O_CREAT) {
mode_t mode;
va_list ap;
va_start(ap, flags);
mode = va_arg(ap, mode_t);
va_end(ap);
_open(p, flags, mode);
}
return _open(p, flags);
}
int
inotify_add_watch(int fd, const char *path, uint32_t mask)
{
const char *p;
libc_func(inotify_add_watch, int, int, const char*, uint32_t);
p = trap_path(path);
if (p == NULL)
return -1;
return _inotify_add_watch(fd, p, mask);
}
ssize_t readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz)
{
const char *p;
libc_func(readlinkat, size_t, int, const char*, char*, size_t);
size_t r;
TRAP_PATH_LOCK;
p = trap_path(pathname);
DBG(DBG_PATH, "testbed wrapped readlinkat (%s) -> %s\n", pathname, p);
if (p == NULL)
r = -1;
else
r = _readlinkat(dirfd, p, buf, bufsiz);
TRAP_PATH_UNLOCK;
return r;
}
int
inotify_add_watch(int fd, const char *path, uint32_t mask)
{
const char *p;
libc_func(inotify_add_watch, int, int, const char*, uint32_t);
int r;
TRAP_PATH_LOCK;
p = trap_path(path);
if (p == NULL)
r = -1;
else
r = _inotify_add_watch(fd, p, mask);
TRAP_PATH_UNLOCK;
return r;
}
TS_EXPORT FILE *fopen(const char *path, const char *mode)
{
const char *p;
char buf[PATH_MAX * 2];
static int (*_fopen)(const char *path, const char *mode);
if (!get_rootpath(__func__))
return NULL;
_fopen = get_libc_func("fopen");
p = trap_path(path, buf);
if (p == NULL)
return NULL;
return (void *) (long) (*_fopen)(p, mode);
}
TS_EXPORT DIR *opendir(const char *path)
{
const char *p;
char buf[PATH_MAX * 2];
static int (*_opendir)(const char *path);
if (!get_rootpath(__func__))
return NULL;
_opendir = get_libc_func("opendir");
p = trap_path(path, buf);
if (p == NULL)
return NULL;
return (void *)(long)(*_opendir)(p);
}
TS_EXPORT int access(const char *path, int mode)
{
const char *p;
char buf[PATH_MAX * 2];
static int (*_access)(const char *path, int mode);
if (!get_rootpath(__func__))
return -1;
_access = get_libc_func("access");
p = trap_path(path, buf);
if (p == NULL)
return -1;
return _access(p, mode);
}
TS_EXPORT int stat64(const char *path, struct stat64 *st)
{
const char *p;
char buf[PATH_MAX * 2];
static int (*_stat64)(const char *path, struct stat64 *buf);
if (!get_rootpath(__func__))
return -1;
_stat64 = get_libc_func("stat64");
p = trap_path(path, buf);
if (p == NULL)
return -1;
return _stat64(p, st);
}
TS_EXPORT int __xstat(int ver, const char *path, struct stat *st)
{
const char *p;
char buf[PATH_MAX * 2];
static int (*_xstat)(int __ver, const char *__filename,
struct stat *__stat_buf);
if (!get_rootpath(__func__))
return -1;
_xstat = get_libc_func("__xstat");
p = trap_path(path, buf);
if (p == NULL)
return -1;
return _xstat(ver, p, st);
}
