wiptty

15 files changed, 603 insertions, 0 deletions

diff --git a/src/fs/iso9660/CMakeLists.txt b/src/fs/iso9660/CMakeLists.txt
new file mode 100644
index 0000000..67b56cf
--- /dev/null
+++ b/src/fs/iso9660/CMakeLists.txt
@@ -0,0 +1,20 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+add_library(iso9660)
+add_subdirectory(src)
+target_include_directories(iso9660 PUBLIC include PRIVATE private_include)
+target_link_libraries(iso9660 PUBLIC c PRIVATE fs kprintf state)
diff --git a/src/fs/iso9660/include/iso9660.h b/src/fs/iso9660/include/iso9660.h
new file mode 100644
index 0000000..f5ee681
--- /dev/null
+++ b/src/fs/iso9660/include/iso9660.h
@@ -0,0 +1,24 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef ISO9660_H
+#define ISO9660_H
+
+int iso9660_register(void);
+
+#endif
diff --git a/src/fs/iso9660/private_include/iso9660/ops.h b/src/fs/iso9660/private_include/iso9660/ops.h
new file mode 100644
index 0000000..64cd798
--- /dev/null
+++ b/src/fs/iso9660/private_include/iso9660/ops.h
@@ -0,0 +1,39 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef ISO9660_OPS_H
+#define ISO9660_OPS_H
+
+#include <fs/fs.h>
+#include <fs/inode.h>
+
+int iso9660_mount(const struct fs_mount *m, struct fs_ret *r);
+int iso9660_mkdir(const struct fs_mkdir *m, const struct fs_mp *mp,
+    const union inode_result *i, struct fs_ret *r);
+int iso9660_open(const struct fs_open *o, const struct fs_mp *mp,
+    const union inode_result *i, struct fs_ret *r);
+int iso9660_read(const struct fs_read *r, struct fs_ret *ret);
+int iso9660_write(const struct fs_write *w, struct fs_ret *r);
+int iso9660_stat(const struct fs_stat *s, const struct fs_mp *mp,
+    const union inode_result *inode, struct fs_ret *r);
+int iso9660_seek(const struct fs_seek *s, struct fs_ret *r);
+int iso9660_close(const struct fs_close *c, struct fs_ret *r);
+int iso9660_search(const char *path, const struct fs_mp *prv,
+    union inode_result *inode, struct fs_ret *r);
+
+#endif
diff --git a/src/fs/iso9660/private_include/iso9660/types.h b/src/fs/iso9660/private_include/iso9660/types.h
new file mode 100644
index 0000000..89cd1d3
--- /dev/null
+++ b/src/fs/iso9660/private_include/iso9660/types.h
@@ -0,0 +1,34 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef ISO9660_TYPES_H
+#define ISO9660_TYPES_H
+
+#include <fs/fs.h>
+#include <fs/inode.h>
+
+struct fs_mp_prv
+{
+    int dummy;
+};
+
+enum {ISO9660_SECTOR_SZ = 2048};
+
+extern const struct fs iso9660;
+
+#endif
diff --git a/src/fs/iso9660/src/CMakeLists.txt b/src/fs/iso9660/src/CMakeLists.txt
new file mode 100644
index 0000000..97dd80b
--- /dev/null
+++ b/src/fs/iso9660/src/CMakeLists.txt
@@ -0,0 +1,28 @@
+# wanix, a Unix-like operating system for WebAssembly applications.
+# Copyright (C) 2025  Xavier Del Campo Romero
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+target_sources(iso9660 PRIVATE
+    close.c
+    mount.c
+    mkdir.c
+    open.c
+    stat.c
+    read.c
+    register.c
+    search.c
+    seek.c
+    write.c
+)
diff --git a/src/fs/iso9660/src/close.c b/src/fs/iso9660/src/close.c
new file mode 100644
index 0000000..dc80117
--- /dev/null
+++ b/src/fs/iso9660/src/close.c
@@ -0,0 +1,26 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <iso9660.h>
+#include <iso9660/ops.h>
+#include <fs/fs.h>
+
+int iso9660_close(const struct fs_close *const c, struct fs_ret *const r)
+{
+    return -1;
+}
diff --git a/src/fs/iso9660/src/mkdir.c b/src/fs/iso9660/src/mkdir.c
new file mode 100644
index 0000000..e3d91ce
--- /dev/null
+++ b/src/fs/iso9660/src/mkdir.c
@@ -0,0 +1,28 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <iso9660.h>
+#include <iso9660/ops.h>
+#include <fs/fs.h>
+#include <fs/inode.h>
+
+int iso9660_mkdir(const struct fs_mkdir *const m, const struct fs_mp *const mp,
+    const union inode_result *const inode, struct fs_ret *const r)
+{
+    return -1;
+}
diff --git a/src/fs/iso9660/src/mount.c b/src/fs/iso9660/src/mount.c
new file mode 100644
index 0000000..aeddcc5
--- /dev/null
+++ b/src/fs/iso9660/src/mount.c
@@ -0,0 +1,196 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <iso9660.h>
+#include <iso9660/ops.h>
+#include <iso9660/types.h>
+#include <fs/fs.h>
+#include <kprintf.h>
+#include <state.h>
+#include <errno.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+
+struct mount
+{
+    char *path, header[sizeof "CD001"];
+    struct fs_fd fd;
+    struct fs_ret *r;
+    struct fs_mount mount;
+    const struct fs_mp *mp;
+};
+
+static void free_mount(struct mount *const m)
+{
+    if (!m)
+        return;
+
+    const struct fs_close c = {.fd = &m->fd};
+
+    m->mp->fs->close(&c, m->r);
+    free(m->path);
+    free(m);
+}
+
+static enum state check_header(void *const args)
+{
+    struct mount *const m = args;
+    static const char header[] = {1, 'C', 'D', '0', '0', '1'};
+
+    if (memcmp(m->header, header, sizeof header))
+    {
+        kprintf("invalid header");
+        free_mount(m);
+        return STATE_FATAL;
+    }
+
+    free_mount(m);
+    return STATE_OK;
+}
+
+static enum state read_header(void *const args)
+{
+    struct mount *const m = args;
+    struct fs_fd *const fd = &m->fd;
+    const struct fs_read r =
+    {
+        .buf = m->header,
+        .n = sizeof m->header,
+        .fd = fd
+    };
+
+    if (fd->error)
+    {
+        errno = fd->error;
+        goto failure;
+    }
+
+    *m->r = (const struct fs_ret)
+    {
+        .f = check_header,
+        .args = m
+    };
+
+    if (m->mp->fs->read(&r, m->r))
+        goto failure;
+
+    return STATE_AGAIN;
+
+failure:
+    free_mount(m);
+    return STATE_FATAL;
+}
+
+static enum state seek_header(void *const args)
+{
+    struct mount *const m = args;
+    const struct fs_mp *const mp = m->mp;
+    const struct fs_seek s =
+    {
+        .fd = &m->fd,
+        .offset = 16 * ISO9660_SECTOR_SZ
+    };
+
+    *m->r = (const struct fs_ret)
+    {
+        .args = m,
+        .f = read_header
+    };
+
+    if (mp->fs->seek(&s, m->r))
+        goto failure;
+
+    return STATE_AGAIN;
+
+failure:
+    free_mount(m);
+    return STATE_FATAL;
+}
+
+static int search_done(const enum state state, const char *const relpath,
+    const struct fs_mp *const mp, const union inode_result *const inode,
+    void *const args)
+{
+    struct mount *const m = args;
+    const struct fs_mount *const fm = &m->mount;
+
+    if (!inode)
+    {
+        errno = ENOENT;
+        goto failure;
+    }
+
+    const struct fs_open o =
+    {
+        .fd = &m->fd,
+        .gid = fm->gid,
+        .uid = fm->uid,
+        .mode = fm->mode,
+        .path = relpath
+    };
+
+    *m->r = (const struct fs_ret)
+    {
+        .args = m,
+        .f = seek_header
+    };
+
+    if (mp->fs->open(&o, mp, inode, m->r))
+        goto failure;
+
+    m->mp = mp;
+    return 0;
+
+failure:
+    free_mount(m);
+    return -1;
+}
+
+int iso9660_mount(const struct fs_mount *const fm, struct fs_ret *const r)
+{
+    char *tgtdup = NULL;
+    struct mount *const m = malloc(sizeof *m);
+
+    if (!m || !(tgtdup = strdup(fm->tgt)))
+        goto failure;
+
+    *m = (const struct mount)
+    {
+        .path = tgtdup,
+        .mount = *fm,
+        .r = r
+    };
+
+    const struct inode_search s =
+    {
+        .args = m,
+        .path = fm->src,
+        .done = search_done
+    };
+
+    if (inode_search(&s, r))
+        goto failure;
+
+    return 0;
+
+failure:
+    free(tgtdup);
+    free(m);
+    return -1;
+}
diff --git a/src/fs/iso9660/src/open.c b/src/fs/iso9660/src/open.c
new file mode 100644
index 0000000..b7c78ef
--- /dev/null
+++ b/src/fs/iso9660/src/open.c
@@ -0,0 +1,27 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <iso9660.h>
+#include <iso9660/ops.h>
+#include <fs/fs.h>
+
+int iso9660_open(const struct fs_open *const o, const struct fs_mp *const mp,
+    const union inode_result *const inode, struct fs_ret *const r)
+{
+    return -1;
+}
diff --git a/src/fs/iso9660/src/read.c b/src/fs/iso9660/src/read.c
new file mode 100644
index 0000000..7a8569f
--- /dev/null
+++ b/src/fs/iso9660/src/read.c
@@ -0,0 +1,27 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <iso9660.h>
+#include <iso9660/ops.h>
+#include <fs/fs.h>
+#include <stddef.h>
+
+int iso9660_read(const struct fs_read *const r, struct fs_ret *const ret)
+{
+    return -1;
+}
diff --git a/src/fs/iso9660/src/register.c b/src/fs/iso9660/src/register.c
new file mode 100644
index 0000000..2b69651
--- /dev/null
+++ b/src/fs/iso9660/src/register.c
@@ -0,0 +1,44 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <iso9660.h>
+#include <iso9660/ops.h>
+#include <fs/fs.h>
+
+const struct fs iso9660 =
+{
+    .type = "iso9660",
+    .flags = FS_DEV_REQUIRED,
+    .mount = iso9660_mount,
+    .stat = iso9660_stat,
+    .mkdir = iso9660_mkdir,
+    .open = iso9660_open,
+    .read = iso9660_read,
+    .write = iso9660_write,
+    .close = iso9660_close,
+    .seek = iso9660_seek,
+    .iops =
+    {
+        .search = iso9660_search
+    }
+};
+
+int iso9660_register(void)
+{
+    return fs_register(&iso9660);
+}
diff --git a/src/fs/iso9660/src/search.c b/src/fs/iso9660/src/search.c
new file mode 100644
index 0000000..c6d1208
--- /dev/null
+++ b/src/fs/iso9660/src/search.c
@@ -0,0 +1,27 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <iso9660.h>
+#include <iso9660/ops.h>
+#include <fs/fs.h>
+
+int iso9660_search(const char *const path, const struct fs_mp *const mp,
+    union inode_result *const inode, struct fs_ret *const r)
+{
+    return -1;
+}
diff --git a/src/fs/iso9660/src/seek.c b/src/fs/iso9660/src/seek.c
new file mode 100644
index 0000000..c78bb52
--- /dev/null
+++ b/src/fs/iso9660/src/seek.c
@@ -0,0 +1,27 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <iso9660.h>
+#include <iso9660/ops.h>
+#include <iso9660/types.h>
+#include <fs/fs.h>
+
+int iso9660_seek(const struct fs_seek *const s, struct fs_ret *const r)
+{
+    return -1;
+}
diff --git a/src/fs/iso9660/src/stat.c b/src/fs/iso9660/src/stat.c
new file mode 100644
index 0000000..e5905e4
--- /dev/null
+++ b/src/fs/iso9660/src/stat.c
@@ -0,0 +1,28 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <iso9660.h>
+#include <iso9660/ops.h>
+#include <fs/fs.h>
+#include <sys/stat.h>
+
+int iso9660_stat(const struct fs_stat *const s, const struct fs_mp *const mp,
+    const union inode_result *const inode, struct fs_ret *const r)
+{
+    return -1;
+}
diff --git a/src/fs/iso9660/src/write.c b/src/fs/iso9660/src/write.c
new file mode 100644
index 0000000..b7baa93
--- /dev/null
+++ b/src/fs/iso9660/src/write.c
@@ -0,0 +1,28 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <iso9660.h>
+#include <iso9660/ops.h>
+#include <fs/fs.h>
+#include <errno.h>
+
+int iso9660_write(const struct fs_write *const w, struct fs_ret *const r)
+{
+    errno = EROFS;
+    return -1;
+}