diff options
-rw-r--r-- | AK/BufferStream.h | 7 | ||||
-rw-r--r-- | Kernel/i386.h | 3 | ||||
-rw-r--r-- | Kernel/init.cpp | 7 | ||||
-rw-r--r-- | Userland/sh.cpp | 4 | ||||
-rw-r--r-- | VirtualFileSystem/Ext2FileSystem.cpp | 37 | ||||
-rw-r--r-- | VirtualFileSystem/FileDescriptor.cpp | 2 | ||||
-rw-r--r-- | VirtualFileSystem/FileSystem.cpp | 19 | ||||
-rw-r--r-- | VirtualFileSystem/FileSystem.h | 5 | ||||
-rw-r--r-- | VirtualFileSystem/SyntheticFileSystem.cpp | 6 | ||||
-rw-r--r-- | VirtualFileSystem/VirtualFileSystem.cpp | 10 |
10 files changed, 60 insertions, 40 deletions
diff --git a/AK/BufferStream.h b/AK/BufferStream.h index 379fcb5792..6d83e73b58 100644 --- a/AK/BufferStream.h +++ b/AK/BufferStream.h @@ -30,6 +30,13 @@ public: m_buffer[m_offset++] = (byte)(value >> 24) & 0xffu; } + void operator<<(const char* str) + { + size_t len = strlen(str); + for (unsigned i = 0; i < len; ++i) + m_buffer[m_offset++] = str[i]; + } + void operator<<(const String& value) { for (unsigned i = 0; i < value.length(); ++i) diff --git a/Kernel/i386.h b/Kernel/i386.h index b4c64b6247..5ab93f3653 100644 --- a/Kernel/i386.h +++ b/Kernel/i386.h @@ -239,8 +239,7 @@ public: dword end_msw; read_tsc(end_lsw, end_msw); if (m_start_msw != end_msw) { - dbgprintf("differing msw's\n"); - asm volatile("cli;hlt"); + dbgprintf("stopwatch: differing msw, no result for %s\n", m_name); } dword diff = end_lsw - m_start_lsw; dbgprintf("Stopwatch(%s): %u ticks\n", m_name, diff); diff --git a/Kernel/init.cpp b/Kernel/init.cpp index 1419d59ad5..4fbb2b2881 100644 --- a/Kernel/init.cpp +++ b/Kernel/init.cpp @@ -26,7 +26,6 @@ #include "VirtualConsole.h" #include "Scheduler.h" -#define TEST_VFS #define KSYMS #define SPAWN_MULTIPLE_SHELLS //#define STRESS_TEST_SPAWNING @@ -103,7 +102,8 @@ static void loadKsyms(const ByteBuffer& buffer) // FIXME: The Strings here should be eternally allocated too. ksyms().append({ address, String(startOfName, bufptr - startOfName) }); - kprintf("\033[u\033[s%u/%u", ksyms().size(), ksym_count); + if ((ksyms().size() % 10) == 0 || ksym_count == ksyms().size()) + kprintf("\033[u\033[s%u/%u", ksyms().size(), ksym_count); ++bufptr; } kprintf("\n"); @@ -174,7 +174,6 @@ static void init_stage2() { Syscall::initialize(); -#ifdef TEST_VFS auto vfs = make<VirtualFileSystem>(); auto dev_zero = make<ZeroDevice>(); @@ -218,8 +217,6 @@ static void init_stage2() vfs->mount(ProcFileSystem::the(), "/proc"); -#endif - #ifdef TEST_ELF_LOADER { auto testExecutable = vfs->open("/bin/id"); diff --git a/Userland/sh.cpp b/Userland/sh.cpp index 3986f402fc..85cfed3091 100644 --- a/Userland/sh.cpp +++ b/Userland/sh.cpp @@ -16,12 +16,13 @@ struct GlobalState { char ttyname[32]; char hostname[32]; pid_t sid; + uid_t uid; }; static GlobalState* g; static void prompt() { - if (getuid() == 0) + if (g->uid == 0) printf("# "); else printf("\033[31;1m%s\033[0m@\033[37;1m%s\033[0m:\033[32;1m%s\033[0m$> ", g->username.characters(), g->hostname, g->cwd.characters()); @@ -350,6 +351,7 @@ static void greeting() int main(int, char**) { g = new GlobalState; + g->uid = getuid(); g->sid = setsid(); tcsetpgrp(0, getpgrp()); diff --git a/VirtualFileSystem/Ext2FileSystem.cpp b/VirtualFileSystem/Ext2FileSystem.cpp index 1a9dfc8622..36053d54d5 100644 --- a/VirtualFileSystem/Ext2FileSystem.cpp +++ b/VirtualFileSystem/Ext2FileSystem.cpp @@ -211,7 +211,7 @@ auto Ext2FileSystem::lookupExt2Inode(unsigned inode) const -> CachedExt2Inode #endif LOCKER(m_inodeCacheLock); - if (m_inodeCache.size() >= 64) + if (m_inodeCache.size() >= 128) m_inodeCache.removeOneRandomly(); auto cachedInode = adopt(*new CachedExt2InodeImpl(OwnPtr<ext2_inode>(e2inode))); m_inodeCache.set(inode, cachedInode.copyRef()); @@ -261,14 +261,14 @@ Vector<unsigned> Ext2FileSystem::blockListForInode(const ext2_inode& e2inode) co unsigned directCount = min(blockCount, (unsigned)EXT2_NDIR_BLOCKS); for (unsigned i = 0; i < directCount; ++i) { - list.append(e2inode.i_block[i]); + list.unchecked_append(e2inode.i_block[i]); --blocksRemaining; } if (!blocksRemaining) return list; - auto processBlockArray = [&] (unsigned arrayBlockIndex, Function<void(unsigned)> callback) { + auto processBlockArray = [&] (unsigned arrayBlockIndex, auto&& callback) { auto arrayBlock = readBlock(arrayBlockIndex); ASSERT(arrayBlock); auto* array = reinterpret_cast<const __u32*>(arrayBlock.pointer()); @@ -284,7 +284,7 @@ Vector<unsigned> Ext2FileSystem::blockListForInode(const ext2_inode& e2inode) co }; processBlockArray(e2inode.i_block[EXT2_IND_BLOCK], [&] (unsigned entry) { - list.append(entry); + list.unchecked_append(entry); }); if (!blocksRemaining) @@ -292,7 +292,7 @@ Vector<unsigned> Ext2FileSystem::blockListForInode(const ext2_inode& e2inode) co processBlockArray(e2inode.i_block[EXT2_DIND_BLOCK], [&] (unsigned entry) { processBlockArray(entry, [&] (unsigned entry) { - list.append(entry); + list.unchecked_append(entry); }); }); @@ -302,7 +302,7 @@ Vector<unsigned> Ext2FileSystem::blockListForInode(const ext2_inode& e2inode) co processBlockArray(e2inode.i_block[EXT2_TIND_BLOCK], [&] (unsigned entry) { processBlockArray(entry, [&] (unsigned entry) { processBlockArray(entry, [&] (unsigned entry) { - list.append(entry); + list.unchecked_append(entry); }); }); }); @@ -434,16 +434,12 @@ bool Ext2FileSystem::enumerateDirectoryInode(InodeIdentifier inode, Function<boo ASSERT(buffer); auto* entry = reinterpret_cast<ext2_dir_entry_2*>(buffer.pointer()); - char namebuf[EXT2_NAME_LEN + 1]; - while (entry < buffer.endPointer()) { if (entry->inode != 0) { - memcpy(namebuf, entry->name, entry->name_len); - namebuf[entry->name_len] = 0; #ifdef EXT2_DEBUG kprintf("inode: %u, name_len: %u, rec_len: %u, file_type: %u, name: %s\n", entry->inode, entry->name_len, entry->rec_len, entry->file_type, namebuf); #endif - if (!callback({ namebuf, { id(), entry->inode }, entry->file_type })) + if (!callback({ entry->name, entry->name_len, { id(), entry->inode }, entry->file_type })) break; } entry = (ext2_dir_entry_2*)((char*)entry + entry->rec_len); @@ -464,7 +460,7 @@ bool Ext2FileSystem::addInodeToDirectory(unsigned directoryInode, unsigned inode Vector<DirectoryEntry> entries; bool nameAlreadyExists = false; enumerateDirectoryInode({ id(), directoryInode }, [&] (const DirectoryEntry& entry) { - if (entry.name == name) { + if (!strcmp(entry.name, name.characters())) { nameAlreadyExists = true; return false; } @@ -476,8 +472,7 @@ bool Ext2FileSystem::addInodeToDirectory(unsigned directoryInode, unsigned inode return false; } - entries.append({ name, { id(), inode }, fileType }); - + entries.append({ name.characters(), name.length(), { id(), inode }, fileType }); return writeDirectoryInode(directoryInode, move(entries)); } @@ -487,8 +482,8 @@ bool Ext2FileSystem::writeDirectoryInode(unsigned directoryInode, Vector<Directo unsigned directorySize = 0; for (auto& entry : entries) { - kprintf(" - %08u %s\n", entry.inode.index(), entry.name.characters()); - directorySize += EXT2_DIR_REC_LEN(entry.name.length()); + kprintf(" - %08u %s\n", entry.inode.index(), entry.name); + directorySize += EXT2_DIR_REC_LEN(entry.name_length); } unsigned blocksNeeded = ceilDiv(directorySize, blockSize()); @@ -502,23 +497,23 @@ bool Ext2FileSystem::writeDirectoryInode(unsigned directoryInode, Vector<Directo for (unsigned i = 0; i < entries.size(); ++i) { auto& entry = entries[i]; - unsigned recordLength = EXT2_DIR_REC_LEN(entry.name.length()); + unsigned recordLength = EXT2_DIR_REC_LEN(entry.name_length); if (i == entries.size() - 1) recordLength += occupiedSize - directorySize; kprintf("* inode: %u", entry.inode.index()); - kprintf(", name_len: %u", word(entry.name.length())); + kprintf(", name_len: %u", word(entry.name_length)); kprintf(", rec_len: %u", word(recordLength)); kprintf(", file_type: %u", byte(entry.fileType)); - kprintf(", name: %s\n", entry.name.characters()); + kprintf(", name: %s\n", entry.name); stream << dword(entry.inode.index()); stream << word(recordLength); - stream << byte(entry.name.length()); + stream << byte(entry.name_length); stream << byte(entry.fileType); stream << entry.name; - unsigned padding = recordLength - entry.name.length() - 8; + unsigned padding = recordLength - entry.name_length - 8; kprintf(" *** pad %u bytes\n", padding); for (unsigned j = 0; j < padding; ++j) { stream << byte(0); diff --git a/VirtualFileSystem/FileDescriptor.cpp b/VirtualFileSystem/FileDescriptor.cpp index 566ae61561..6a3898aeac 100644 --- a/VirtualFileSystem/FileDescriptor.cpp +++ b/VirtualFileSystem/FileDescriptor.cpp @@ -218,7 +218,7 @@ ssize_t FileDescriptor::get_dir_entries(byte* buffer, Unix::size_t size) m_vnode->vfs()->enumerateDirectoryInode(m_vnode->inode, [&stream] (auto& entry) { stream << (dword)entry.inode.index(); stream << (byte)entry.fileType; - stream << (dword)entry.name.length(); + stream << (dword)entry.name_length; stream << entry.name; return true; }); diff --git a/VirtualFileSystem/FileSystem.cpp b/VirtualFileSystem/FileSystem.cpp index 84bb76b8ac..4747e1e25c 100644 --- a/VirtualFileSystem/FileSystem.cpp +++ b/VirtualFileSystem/FileSystem.cpp @@ -41,7 +41,7 @@ InodeIdentifier FileSystem::childOfDirectoryInodeWithName(InodeIdentifier inode, { InodeIdentifier foundInode; enumerateDirectoryInode(inode, [&] (const DirectoryEntry& entry) { - if (entry.name == name) { + if (!strcmp(entry.name, name.characters())) { foundInode = entry.inode; return false; } @@ -101,3 +101,20 @@ ByteBuffer FileSystem::readEntireInode(InodeIdentifier inode, FileDescriptor* ha return contents; } +FileSystem::DirectoryEntry::DirectoryEntry(const char* n, InodeIdentifier i, byte ft) + : name_length(strlen(name)) + , inode(i) + , fileType(ft) +{ + memcpy(name, n, name_length); + name[name_length] = '\0'; +} + +FileSystem::DirectoryEntry::DirectoryEntry(const char* n, Unix::size_t nl, InodeIdentifier i, byte ft) + : name_length(nl) + , inode(i) + , fileType(ft) +{ + memcpy(name, n, nl); + name[nl] = '\0'; +} diff --git a/VirtualFileSystem/FileSystem.h b/VirtualFileSystem/FileSystem.h index 8d5313eb1e..6c203b93e7 100644 --- a/VirtualFileSystem/FileSystem.h +++ b/VirtualFileSystem/FileSystem.h @@ -35,7 +35,10 @@ public: virtual Unix::ssize_t readInodeBytes(InodeIdentifier, Unix::off_t offset, Unix::size_t count, byte* buffer, FileDescriptor*) const = 0; struct DirectoryEntry { - String name; + DirectoryEntry(const char* name, InodeIdentifier, byte fileType); + DirectoryEntry(const char* name, Unix::size_t name_length, InodeIdentifier, byte fileType); + char name[256]; + Unix::size_t name_length { 0 }; InodeIdentifier inode; byte fileType { 0 }; }; diff --git a/VirtualFileSystem/SyntheticFileSystem.cpp b/VirtualFileSystem/SyntheticFileSystem.cpp index dd1c0c0de3..676aff6b80 100644 --- a/VirtualFileSystem/SyntheticFileSystem.cpp +++ b/VirtualFileSystem/SyntheticFileSystem.cpp @@ -147,11 +147,11 @@ bool SyntheticFileSystem::enumerateDirectoryInode(InodeIdentifier inode, Functio if (!synInode.metadata.isDirectory()) return false; - callback({ ".", synInode.metadata.inode }); - callback({ "..", synInode.parent }); + callback({ ".", 1, synInode.metadata.inode, 2 }); + callback({ "..", 2, synInode.parent, 2 }); for (auto& child : synInode.children) - callback({ child->name, child->metadata.inode }); + callback({ child->name.characters(), child->name.length(), child->metadata.inode, child->metadata.isDirectory() ? (byte)2 : (byte)1 }); return true; } diff --git a/VirtualFileSystem/VirtualFileSystem.cpp b/VirtualFileSystem/VirtualFileSystem.cpp index 358cc39cbf..d6f9301cad 100644 --- a/VirtualFileSystem/VirtualFileSystem.cpp +++ b/VirtualFileSystem/VirtualFileSystem.cpp @@ -250,12 +250,12 @@ void VirtualFileSystem::enumerateDirectoryInode(InodeIdentifier directoryInode, else resolvedInode = entry.inode; - if (directoryInode.isRootInode() && !isRoot(directoryInode) && entry.name == "..") { + if (directoryInode.isRootInode() && !isRoot(directoryInode) && !strcmp(entry.name, "..")) { auto mount = findMountForGuest(entry.inode); ASSERT(mount); resolvedInode = mount->host(); } - callback({ entry.name, resolvedInode }); + callback(FileSystem::DirectoryEntry(entry.name, entry.name_length, resolvedInode, entry.fileType)); return true; }); } @@ -348,7 +348,7 @@ void VirtualFileSystem::listDirectory(const String& path, InodeIdentifier base) kprintf("%s%s%s", nameColorBegin, - entry.name.characters(), + entry.name, nameColorEnd); if (metadata.isDirectory()) { @@ -376,11 +376,11 @@ void VirtualFileSystem::listDirectoryRecursively(const String& path, InodeIdenti if (metadata.isDirectory()) { if (entry.name != "." && entry.name != "..") { char buf[4096]; - ksprintf(buf, "%s/%s", path.characters(), entry.name.characters()); + ksprintf(buf, "%s/%s", path.characters(), entry.name); listDirectoryRecursively(buf, base); } } else { - kprintf("%s/%s\n", path.characters(), entry.name.characters()); + kprintf("%s/%s\n", path.characters(), entry.name); } return true; }); |