1 files changed, 0 insertions, 129 deletions
diff --git a/src/user/lib/fs/dirinject.c b/src/user/lib/fs/dirinject.c
deleted file mode 100644
index 9b08756..0000000
--- a/src/user/lib/fs/dirinject.c
+++ /dev/null
@@ -1,129 +0,0 @@
-#include <assert.h>
-#include <camellia/fs/dir.h>
-#include <camellia/fs/misc.h>
-#include <camellia/syscalls.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/param.h>
-#include <unistd.h>
-
-typedef struct Handle {
-	int delegate;
-	int plen;
-	char path[];
-} Handle;
-
-static int
-dir_seglen(const char *path)
-{
-	/* if path contains /, return its position + 1
-	 * otherwise, return strlen */
-	int len = 0;
-	while (path[len]) {
-		if (path[len] == '/') {
-			len++;
-			break;
-		}
-		len++;
-	}
-	return len;
-}
-
-static int
-find_injects(const char *injects[], const char *path, int plen, struct dirbuild *db)
-{
-	// TODO deduplicate
-	const char *inj;
-	int matches = 0;
-	assert(plen >= 1);
-	assert(path[plen-1] == '/');
-
-	while ((inj = *injects++)) {
-		int ilen = strlen(inj);
-		if (plen < ilen && memcmp(path, inj, plen) == 0) {
-			if (db) {
-				/* inj[plen-1] == '/' */
-				const char *ent = inj + plen;
-				dir_appendl(db, ent, dir_seglen(ent));
-			}
-			matches++;
-		}
-	}
-	return matches;
-}
-
-void
-fs_dirinject2(const char *injects[])
-{
-	const size_t buflen = 4096;
-	char *buf = malloc(buflen);
-	if (!buf) exit(1);
-
-	for (;;) {
-		struct ufs_request req;
-		hid_t reqh = _sys_fs_wait(buf, buflen, &req);
-		if (reqh < 0) break;
-		Handle *hndl = req.id;
-		switch (req.op) {
-		case VFSOP_OPEN: {
-			if (buf[req.len - 1] == '/') {
-				if (find_injects(injects, buf, req.len, NULL) > 0) {
-					/* opening a directory that we're injecting into */
-					hndl = malloc(sizeof(Handle) + req.len);
-					if (hndl == NULL) {
-						_sys_fs_respond(reqh, NULL, -EGENERIC, 0);
-						break;
-					}
-					/* ignore errors from _sys_open */
-					hndl->delegate = _sys_open(buf, req.len, req.flags);
-					hndl->plen = req.len;
-					memcpy(hndl->path, buf, hndl->plen);
-					_sys_fs_respond(reqh, hndl, 0, 0);
-					break;
-				}
-			}
-			/* default behaviour */
-			forward_open(reqh, buf, req.len, req.flags);
-			break;
-		}
-
-		case VFSOP_CLOSE: {
-			if (hndl->delegate >= 0) {
-				close(hndl->delegate);
-			}
-			free(hndl);
-			_sys_fs_respond(reqh, NULL, 0, 0);
-			break;
-		}
-
-		case VFSOP_READ:
-		case VFSOP_GETSIZE: {
-			struct dirbuild db;
-			char *target = NULL;
-			if (req.op == VFSOP_READ) {
-				target = buf;
-			}
-			req.capacity = MIN(req.capacity, buflen);
-
-			dir_start(&db, req.offset, target, req.capacity);
-			find_injects(injects, hndl->path, hndl->plen, &db);
-			if (hndl->delegate >= 0) {
-				dir_append_from(&db, hndl->delegate);
-			}
-			_sys_fs_respond(reqh, target, dir_finish(&db), 0);
-			break;
-		}
-
-		default: {
-			_sys_fs_respond(reqh, NULL, -1, 0);
-			break;
-		}
-		}
-	}
-	exit(0);
-}
-
-void
-fs_dirinject(const char *path) {
-	fs_dirinject2((const char*[]){ path, NULL });
-}