diff options
Diffstat (limited to 'fusepro.c')
-rw-r--r-- | fusepro.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/fusepro.c b/fusepro.c new file mode 100644 index 0000000..4c0582c --- /dev/null +++ b/fusepro.c @@ -0,0 +1,125 @@ +#include <fuse.h> + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <dirent.h> +#include <errno.h> +#include <signal.h> + +static struct fuse *pro_fuse; + +static int pro_getattr(const char *path, struct stat *stbuf) +{ + int res; + + res = lstat(path, stbuf); + if(res == -1) + return -errno; + + return 0; +} + +static int pro_readlink(const char *path, char *buf, size_t size) +{ + int res; + + res = readlink(path, buf, size - 1); + if(res == -1) + return -errno; + + buf[res] = '\0'; + return 0; +} + + +static int pro_getdir(const char *path, struct fuse_dh *h, dirfiller_t filler) +{ + DIR *dp; + struct dirent *de; + int res; + + dp = opendir(path); + if(dp == NULL) + return -errno; + + while((de = readdir(dp)) != NULL) { + res = filler(h, de->d_name, de->d_type); + if(res != 0) + break; + } + + closedir(dp); + return res; +} + +static int pro_mknod(const char *path, int mode, int rdev) +{ + int res; + + res = mknod(path, mode, rdev); + if(res == -1) + return -errno; + + return 0; +} + +static void exit_handler() +{ + exit(0); +} + +static void set_signal_handlers() +{ + struct sigaction sa; + + sa.sa_handler = exit_handler; + sigemptyset(&(sa.sa_mask)); + sa.sa_flags = 0; + + if (sigaction(SIGHUP, &sa, NULL) == -1 || + sigaction(SIGINT, &sa, NULL) == -1 || + sigaction(SIGTERM, &sa, NULL) == -1) { + + perror("Cannot set exit signal handlers"); + exit(1); + } + + sa.sa_handler = SIG_IGN; + + if(sigaction(SIGPIPE, &sa, NULL) == -1) { + perror("Cannot set ignored signals"); + exit(1); + } +} + +static void cleanup() +{ + fuse_unmount(pro_fuse); + fuse_destroy(pro_fuse); +} + +static struct fuse_operations pro_oper = { + getattr: pro_getattr, + readlink: pro_readlink, + getdir: pro_getdir, + mknod: pro_mknod, +}; + +int main(int argc, char *argv[]) +{ + if(argc != 2) { + fprintf(stderr, "usage: %s mount_dir\n", argv[0]); + exit(1); + } + + set_signal_handlers(); + atexit(cleanup); + + pro_fuse = fuse_new(); + fuse_mount(pro_fuse, argv[1]); + fuse_set_operations(pro_fuse, &pro_oper); + fuse_loop(pro_fuse); + + return 0; +} |