diff options
Diffstat (limited to 'source3')
| -rw-r--r-- | source3/modules/vfs_audit.c | 268 | ||||
| -rw-r--r-- | source3/modules/vfs_netatalk.c | 430 | ||||
| -rw-r--r-- | source3/modules/vfs_recycle.c | 559 | ||||
| -rwxr-xr-x | source3/script/installmodules.sh | 26 | ||||
| -rwxr-xr-x | source3/script/uninstallmodules.sh | 37 |
5 files changed, 1320 insertions, 0 deletions
diff --git a/source3/modules/vfs_audit.c b/source3/modules/vfs_audit.c new file mode 100644 index 0000000000..92b78c1c32 --- /dev/null +++ b/source3/modules/vfs_audit.c @@ -0,0 +1,268 @@ +/* + * Auditing VFS module for samba. Log selected file operations to syslog + * facility. + * + * Copyright (C) Tim Potter, 1999-2000 + * Copyright (C) Alexander Bokovoy, 2002 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "config.h" +#include <stdio.h> +#include <sys/stat.h> +#ifdef HAVE_UTIME_H +#include <utime.h> +#endif +#ifdef HAVE_DIRENT_H +#include <dirent.h> +#endif +#include <syslog.h> +#ifdef HAVE_FCNTL_H +#include <fcntl.h> +#endif +#include <errno.h> +#include <string.h> +#include <includes.h> +#include <vfs.h> + +#ifndef SYSLOG_FACILITY +#define SYSLOG_FACILITY LOG_USER +#endif + +#ifndef SYSLOG_PRIORITY +#define SYSLOG_PRIORITY LOG_NOTICE +#endif + +/* Function prototypes */ + +static int audit_connect(struct connection_struct *conn, const char *svc, const char *user); +static void audit_disconnect(struct connection_struct *conn); +static DIR *audit_opendir(struct connection_struct *conn, const char *fname); +static int audit_mkdir(struct connection_struct *conn, const char *path, mode_t mode); +static int audit_rmdir(struct connection_struct *conn, const char *path); +static int audit_open(struct connection_struct *conn, const char *fname, int flags, mode_t mode); +static int audit_close(struct files_struct *fsp, int fd); +static int audit_rename(struct connection_struct *conn, const char *old, const char *new); +static int audit_unlink(struct connection_struct *conn, const char *path); +static int audit_chmod(struct connection_struct *conn, const char *path, mode_t mode); +static int audit_chmod_acl(struct connection_struct *conn, const char *name, mode_t mode); +static int audit_fchmod(struct files_struct *fsp, int fd, mode_t mode); +static int audit_fchmod_acl(struct files_struct *fsp, int fd, mode_t mode); + +/* VFS operations */ + +static struct vfs_ops default_vfs_ops; /* For passthrough operation */ +static struct smb_vfs_handle_struct *audit_handle; + +static vfs_op_tuple audit_ops[] = { + + /* Disk operations */ + + {audit_connect, SMB_VFS_OP_CONNECT, SMB_VFS_LAYER_LOGGER}, + {audit_disconnect, SMB_VFS_OP_DISCONNECT, SMB_VFS_LAYER_LOGGER}, + + /* Directory operations */ + + {audit_opendir, SMB_VFS_OP_OPENDIR, SMB_VFS_LAYER_LOGGER}, + {audit_mkdir, SMB_VFS_OP_MKDIR, SMB_VFS_LAYER_LOGGER}, + {audit_rmdir, SMB_VFS_OP_RMDIR, SMB_VFS_LAYER_LOGGER}, + + /* File operations */ + + {audit_open, SMB_VFS_OP_OPEN, SMB_VFS_LAYER_LOGGER}, + {audit_close, SMB_VFS_OP_CLOSE, SMB_VFS_LAYER_LOGGER}, + {audit_rename, SMB_VFS_OP_RENAME, SMB_VFS_LAYER_LOGGER}, + {audit_unlink, SMB_VFS_OP_UNLINK, SMB_VFS_LAYER_LOGGER}, + {audit_chmod, SMB_VFS_OP_CHMOD, SMB_VFS_LAYER_LOGGER}, + {audit_fchmod, SMB_VFS_OP_FCHMOD, SMB_VFS_LAYER_LOGGER}, + {audit_chmod_acl, SMB_VFS_OP_CHMOD_ACL, SMB_VFS_LAYER_LOGGER}, + {audit_fchmod_acl, SMB_VFS_OP_FCHMOD_ACL, SMB_VFS_LAYER_LOGGER}, + + /* Finish VFS operations definition */ + + {NULL, SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP} +}; + +/* VFS initialisation function. Return vfs_op_tuple array back to SAMBA. */ + +vfs_op_tuple *vfs_init(int *vfs_version, struct vfs_ops *def_vfs_ops, + struct smb_vfs_handle_struct *vfs_handle) +{ + *vfs_version = SMB_VFS_INTERFACE_VERSION; + memcpy(&default_vfs_ops, def_vfs_ops, sizeof(struct vfs_ops)); + + audit_handle = vfs_handle; + + openlog("smbd_audit", LOG_PID, SYSLOG_FACILITY); + syslog(SYSLOG_PRIORITY, "VFS_INIT: vfs_ops loaded\n"); + return audit_ops; +} + +/* VFS finalization function. */ +void vfs_done(connection_struct *conn) +{ + syslog(SYSLOG_PRIORITY, "VFS_DONE: vfs module unloaded\n"); +} + +/* Implementation of vfs_ops. Pass everything on to the default + operation but log event first. */ + +static int audit_connect(struct connection_struct *conn, const char *svc, const char *user) +{ + syslog(SYSLOG_PRIORITY, "connect to service %s by user %s\n", + svc, user); + + return default_vfs_ops.connect(conn, svc, user); +} + +static void audit_disconnect(struct connection_struct *conn) +{ + syslog(SYSLOG_PRIORITY, "disconnected\n"); + default_vfs_ops.disconnect(conn); +} + +static DIR *audit_opendir(struct connection_struct *conn, const char *fname) +{ + DIR *result = default_vfs_ops.opendir(conn, fname); + + syslog(SYSLOG_PRIORITY, "opendir %s %s%s\n", + fname, + (result == NULL) ? "failed: " : "", + (result == NULL) ? strerror(errno) : ""); + + return result; +} + +static int audit_mkdir(struct connection_struct *conn, const char *path, mode_t mode) +{ + int result = default_vfs_ops.mkdir(conn, path, mode); + + syslog(SYSLOG_PRIORITY, "mkdir %s %s%s\n", + path, + (result < 0) ? "failed: " : "", + (result < 0) ? strerror(errno) : ""); + + return result; +} + +static int audit_rmdir(struct connection_struct *conn, const char *path) +{ + int result = default_vfs_ops.rmdir(conn, path); + + syslog(SYSLOG_PRIORITY, "rmdir %s %s%s\n", + path, + (result < 0) ? "failed: " : "", + (result < 0) ? strerror(errno) : ""); + + return result; +} + +static int audit_open(struct connection_struct *conn, const char *fname, int flags, mode_t mode) +{ + int result = default_vfs_ops.open(conn, fname, flags, mode); + + syslog(SYSLOG_PRIORITY, "open %s (fd %d) %s%s%s\n", + fname, result, + ((flags & O_WRONLY) || (flags & O_RDWR)) ? "for writing " : "", + (result < 0) ? "failed: " : "", + (result < 0) ? strerror(errno) : ""); + + return result; +} + +static int audit_close(struct files_struct *fsp, int fd) +{ + int result = default_vfs_ops.close(fsp, fd); + + syslog(SYSLOG_PRIORITY, "close fd %d %s%s\n", + fd, + (result < 0) ? "failed: " : "", + (result < 0) ? strerror(errno) : ""); + + return result; +} + +static int audit_rename(struct connection_struct *conn, const char *old, const char *new) +{ + int result = default_vfs_ops.rename(conn, old, new); + + syslog(SYSLOG_PRIORITY, "rename %s -> %s %s%s\n", + old, new, + (result < 0) ? "failed: " : "", + (result < 0) ? strerror(errno) : ""); + + return result; +} + +static int audit_unlink(struct connection_struct *conn, const char *path) +{ + int result = default_vfs_ops.unlink(conn, path); + + syslog(SYSLOG_PRIORITY, "unlink %s %s%s\n", + path, + (result < 0) ? "failed: " : "", + (result < 0) ? strerror(errno) : ""); + + return result; +} + +static int audit_chmod(struct connection_struct *conn, const char *path, mode_t mode) +{ + int result = default_vfs_ops.chmod(conn, path, mode); + + syslog(SYSLOG_PRIORITY, "chmod %s mode 0x%x %s%s\n", + path, mode, + (result < 0) ? "failed: " : "", + (result < 0) ? strerror(errno) : ""); + + return result; +} + +static int audit_chmod_acl(struct connection_struct *conn, const char *path, mode_t mode) +{ + int result = default_vfs_ops.chmod_acl(conn, path, mode); + + syslog(SYSLOG_PRIORITY, "chmod_acl %s mode 0x%x %s%s\n", + path, mode, + (result < 0) ? "failed: " : "", + (result < 0) ? strerror(errno) : ""); + + return result; +} + +static int audit_fchmod(struct files_struct *fsp, int fd, mode_t mode) +{ + int result = default_vfs_ops.fchmod(fsp, fd, mode); + + syslog(SYSLOG_PRIORITY, "fchmod %s mode 0x%x %s%s\n", + fsp->fsp_name, mode, + (result < 0) ? "failed: " : "", + (result < 0) ? strerror(errno) : ""); + + return result; +} + +static int audit_fchmod_acl(struct files_struct *fsp, int fd, mode_t mode) +{ + int result = default_vfs_ops.fchmod_acl(fsp, fd, mode); + + syslog(SYSLOG_PRIORITY, "fchmod_acl %s mode 0x%x %s%s\n", + fsp->fsp_name, mode, + (result < 0) ? "failed: " : "", + (result < 0) ? strerror(errno) : ""); + + return result; +} diff --git a/source3/modules/vfs_netatalk.c b/source3/modules/vfs_netatalk.c new file mode 100644 index 0000000000..353be36e6f --- /dev/null +++ b/source3/modules/vfs_netatalk.c @@ -0,0 +1,430 @@ +/* + * AppleTalk VFS module for Samba-3.x + * + * Copyright (C) Alexei Kotovich, 2002 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "config.h" +#include <stdio.h> +#include <sys/stat.h> +#ifdef HAVE_UTIME_H +#include <utime.h> +#endif +#ifdef HAVE_DIRENT_H +#include <dirent.h> +#endif +#ifdef HAVE_FCNTL_H +#include <fcntl.h> +#endif +#include <errno.h> +#include <string.h> +#include <includes.h> +#include <vfs.h> + +#define APPLEDOUBLE ".AppleDouble" +#define ADOUBLEMODE 0777 + +/* atalk functions */ + +static int atalk_build_paths(TALLOC_CTX *ctx, const char *path, + const char *fname, char **adbl_path, char **orig_path, + SMB_STRUCT_STAT *adbl_info, SMB_STRUCT_STAT *orig_info); + +static int atalk_unlink_file(const char *path); + +static struct vfs_ops default_vfs_ops; /* For passthrough operation */ +static struct smb_vfs_handle_struct *atalk_handle; + +static int atalk_get_path_ptr(char *path) +{ + int i = 0; + int ptr = 0; + + for (i = 0; path[i]; i ++) { + if (path[i] == '/') + ptr = i; + /* get out some 'spam';) from win32's file name */ + else if (path[i] == ':') { + path[i] = '\0'; + break; + } + } + + return ptr; +} + +static int atalk_build_paths(TALLOC_CTX *ctx, const char *path, const char *fname, + char **adbl_path, char **orig_path, + SMB_STRUCT_STAT *adbl_info, SMB_STRUCT_STAT *orig_info) +{ + int ptr0 = 0; + int ptr1 = 0; + char *dname = 0; + char *name = 0; + + if (!ctx || !path || !fname || !adbl_path || !orig_path || + !adbl_info || !orig_info) + return -1; +#if 0 + DEBUG(3, ("ATALK: PATH: %s[%s]\n", path, fname)); +#endif + if (strstr(path, APPLEDOUBLE) || strstr(fname, APPLEDOUBLE)) { + DEBUG(3, ("ATALK: path %s[%s] already contains %s\n", path, fname, APPLEDOUBLE)); + return -1; + } + + if (fname[0] == '.') ptr0 ++; + if (fname[1] == '/') ptr0 ++; + + *orig_path = talloc_asprintf(ctx, "%s/%s", path, &fname[ptr0]); + + /* get pointer to last '/' */ + ptr1 = atalk_get_path_ptr(*orig_path); + + sys_lstat(*orig_path, orig_info); + + if (S_ISDIR(orig_info->st_mode)) { + *adbl_path = talloc_asprintf(ctx, "%s/%s/%s/", + path, &fname[ptr0], APPLEDOUBLE); + } else { + dname = talloc_strdup(ctx, *orig_path); + dname[ptr1] = '\0'; + name = *orig_path; + *adbl_path = talloc_asprintf(ctx, "%s/%s/%s", + dname, APPLEDOUBLE, &name[ptr1 + 1]); + } +#if 0 + DEBUG(3, ("ATALK: DEBUG:\n%s\n%s\n", *orig_path, *adbl_path)); +#endif + sys_lstat(*adbl_path, adbl_info); + return 0; +} + +static int atalk_unlink_file(const char *path) +{ + int ret = 0; + + become_root(); + ret = unlink(path); + unbecome_root(); + + return ret; +} + +static void atalk_add_to_list(name_compare_entry **list) +{ + int i, count = 0; + name_compare_entry *new_list = 0; + name_compare_entry *cur_list = 0; + + cur_list = *list; + + if (cur_list) { + for (i = 0, count = 0; cur_list[i].name; i ++, count ++) { + if (strstr(cur_list[i].name, APPLEDOUBLE)) + return; + } + } + + if (!(new_list = calloc(1, + (count == 0 ? 1 : count + 1) * sizeof(name_compare_entry)))) + return; + + for (i = 0; i < count; i ++) { + new_list[i].name = strdup(cur_list[i].name); + new_list[i].is_wild = cur_list[i].is_wild; + } + + new_list[i].name = strdup(APPLEDOUBLE); + new_list[i].is_wild = False; + + free_namearray(*list); + + *list = new_list; + new_list = 0; + cur_list = 0; +} + +static void atalk_rrmdir(TALLOC_CTX *ctx, char *path) +{ + int n; + char *dpath; + struct dirent **namelist; + + if (!path) return; + + n = scandir(path, &namelist, 0, alphasort); + if (n < 0) { + return; + } else { + while (n --) { + if (strcmp(namelist[n]->d_name, ".") == 0 || + strcmp(namelist[n]->d_name, "..") == 0) + continue; + if (!(dpath = talloc_asprintf(ctx, "%s/%s", + path, namelist[n]->d_name))) + continue; + atalk_unlink_file(dpath); + free(namelist[n]); + } + } +} + +/* Disk operations */ + +/* Directory operations */ + +DIR *atalk_opendir(struct connection_struct *conn, const char *fname) +{ + DIR *ret = 0; + + ret = default_vfs_ops.opendir(conn, fname); + + /* + * when we try to perform delete operation upon file which has fork + * in ./.AppleDouble and this directory wasn't hidden by Samba, + * MS Windows explorer causes the error: "Cannot find the specified file" + * There is some workaround to avoid this situation, i.e. if + * connection has not .AppleDouble entry in either veto or hide + * list then it would be nice to add one. + */ + + atalk_add_to_list(&conn->hide_list); + atalk_add_to_list(&conn->veto_list); + + return ret; +} + +static int atalk_rmdir(struct connection_struct *conn, const char *path) +{ + BOOL add = False; + TALLOC_CTX *ctx = 0; + char *dpath; + + if (!conn || !conn->origpath || !path) goto exit_rmdir; + + /* due to there is no way to change bDeleteVetoFiles variable + * from this module, gotta use talloc stuff.. + */ + + strstr(path, APPLEDOUBLE) ? (add = False) : (add = True); + + if (!(ctx = talloc_init_named("remove_directory"))) + goto exit_rmdir; + + if (!(dpath = talloc_asprintf(ctx, "%s/%s%s", + conn->origpath, path, add ? "/"APPLEDOUBLE : ""))) + goto exit_rmdir; + + atalk_rrmdir(ctx, dpath); + +exit_rmdir: + talloc_destroy(ctx); + return default_vfs_ops.rmdir(conn, path); +} + +/* File operations */ + +static int atalk_rename(struct connection_struct *conn, const char *old, const char *new) +{ + int ret = 0; + char *adbl_path = 0; + char *orig_path = 0; + SMB_STRUCT_STAT adbl_info; + SMB_STRUCT_STAT orig_info; + TALLOC_CTX *ctx; + + ret = default_vfs_ops.rename(conn, old, new); + + if (!conn || !old) return ret; + + if (!(ctx = talloc_init_named("rename_file"))) + return ret; + + if (atalk_build_paths(ctx, conn->origpath, old, &adbl_path, &orig_path, + &adbl_info, &orig_info) != 0) + return ret; + + if (S_ISDIR(orig_info.st_mode) || S_ISREG(orig_info.st_mode)) { + DEBUG(3, ("ATALK: %s has passed..\n", adbl_path)); + goto exit_rename; + } + + atalk_unlink_file(adbl_path); + +exit_rename: + talloc_destroy(ctx); + return ret; +} + +static int atalk_unlink(struct connection_struct *conn, const char *path) +{ + int ret = 0, i; + char *adbl_path = 0; + char *orig_path = 0; + SMB_STRUCT_STAT adbl_info; + SMB_STRUCT_STAT orig_info; + TALLOC_CTX *ctx; + + ret = default_vfs_ops.unlink(conn, path); + + if (!conn || !path) return ret; + + /* no .AppleDouble sync if veto or hide list is empty, + * otherwise "Cannot find the specified file" error will be caused + */ + + if (!conn->veto_list) return ret; + if (!conn->hide_list) return ret; + + for (i = 0; conn->veto_list[i].name; i ++) { + if (strstr(conn->veto_list[i].name, APPLEDOUBLE)) + break; + } + + if (!conn->veto_list[i].name) { + for (i = 0; conn->hide_list[i].name; i ++) { + if (strstr(conn->hide_list[i].name, APPLEDOUBLE)) + break; + else { + DEBUG(3, ("ATALK: %s is not hidden, skipped..\n", + APPLEDOUBLE)); + return ret; + } + } + } + + if (!(ctx = talloc_init_named("unlink_file"))) + return ret; + + if (atalk_build_paths(ctx, conn->origpath, path, &adbl_path, &orig_path, + &adbl_info, &orig_info) != 0) + return ret; + + if (S_ISDIR(orig_info.st_mode) || S_ISREG(orig_info.st_mode)) { + DEBUG(3, ("ATALK: %s has passed..\n", adbl_path)); + goto exit_unlink; + } + + atalk_unlink_file(adbl_path); + +exit_unlink: + talloc_destroy(ctx); + return ret; +} + +static int atalk_chmod(struct connection_struct *conn, const char *path, mode_t mode) +{ + int ret = 0; + char *adbl_path = 0; + char *orig_path = 0; + SMB_STRUCT_STAT adbl_info; + SMB_STRUCT_STAT orig_info; + TALLOC_CTX *ctx; + + ret = default_vfs_ops.chmod(conn, path, mode); + + if (!conn || !path) return ret; + + if (!(ctx = talloc_init_named("chmod_file"))) + return ret; + + if (atalk_build_paths(ctx, conn->origpath, path, &adbl_path, &orig_path, + &adbl_info, &orig_info) != 0) + return ret; + + if (!S_ISDIR(orig_info.st_mode) && !S_ISREG(orig_info.st_mode)) { + DEBUG(3, ("ATALK: %s has passed..\n", orig_path)); + goto exit_chmod; + } + + chmod(adbl_path, ADOUBLEMODE); + +exit_chmod: + talloc_destroy(ctx); + return ret; +} + +static int atalk_chown(struct connection_struct *conn, const char *path, uid_t uid, gid_t gid) +{ + int ret = 0; + char *adbl_path = 0; + char *orig_path = 0; + SMB_STRUCT_STAT adbl_info; + SMB_STRUCT_STAT orig_info; + TALLOC_CTX *ctx; + + ret = default_vfs_ops.chown(conn, path, uid, gid); + + if (!conn || !path) return ret; + + if (!(ctx = talloc_init_named("chown_file"))) + return ret; + + if (atalk_build_paths(ctx, conn->origpath, path, &adbl_path, &orig_path, + &adbl_info, &orig_info) != 0) + return ret; + + if (!S_ISDIR(orig_info.st_mode) && !S_ISREG(orig_info.st_mode)) { + DEBUG(3, ("ATALK: %s has passed..\n", orig_path)); + goto exit_chown; + } + + chown(adbl_path, uid, gid); + +exit_chown: + talloc_destroy(ctx); + return ret; +} + +static vfs_op_tuple atalk_ops[] = { + + /* Directory operations */ + + {atalk_opendir, SMB_VFS_OP_OPENDIR, SMB_VFS_LAYER_TRANSPARENT}, + {atalk_rmdir, SMB_VFS_OP_RMDIR, SMB_VFS_LAYER_TRANSPARENT}, + + /* File operations */ + + {atalk_rename, SMB_VFS_OP_RENAME, SMB_VFS_LAYER_TRANSPARENT}, + {atalk_unlink, SMB_VFS_OP_UNLINK, SMB_VFS_LAYER_TRANSPARENT}, + {atalk_chmod, SMB_VFS_OP_CHMOD, SMB_VFS_LAYER_TRANSPARENT}, + {atalk_chown, SMB_VFS_OP_CHOWN, SMB_VFS_LAYER_TRANSPARENT}, + + /* Finish VFS operations definition */ + + {NULL, SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP} +}; + +/* VFS initialisation function. Return vfs_op_tuple array back to SAMBA. */ +vfs_op_tuple *vfs_init(int *vfs_version, struct vfs_ops *def_vfs_ops, + struct smb_vfs_handle_struct *vfs_handle) +{ + *vfs_version = SMB_VFS_INTERFACE_VERSION; + memcpy(&default_vfs_ops, def_vfs_ops, sizeof(struct vfs_ops)); + + atalk_handle = vfs_handle; + + DEBUG(3, ("ATALK: vfs module loaded\n")); + return atalk_ops; +} + +/* VFS finalization function. */ +void vfs_done(connection_struct *conn) +{ + DEBUG(3, ("ATALK: vfs module unloaded\n")); +} diff --git a/source3/modules/vfs_recycle.c b/source3/modules/vfs_recycle.c new file mode 100644 index 0000000000..b59cb92a28 --- /dev/null +++ b/source3/modules/vfs_recycle.c @@ -0,0 +1,559 @@ +/* + * Recycle bin VFS module for Samba. + * + * Copyright (C) 2001, Brandon Stone, Amherst College, <bbstone@amherst.edu>. + * Copyright (C) 2002, Jeremy Allison - modified to make a VFS module. + * Copyright (C) 2002, Alexander Bokovoy - cascaded VFS adoption, + * Copyright (C) 2002, Juergen Hasch - added some options. + * Copyright (C) 2002, Simo Sorce + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "includes.h" + +#define ALLOC_CHECK(ptr, label) do { if ((ptr) == NULL) { DEBUG(0, ("recycle.bin: out of memory!\n")); errno = ENOMEM; goto label; } } while(0) + +static int vfs_recycle_debug_level = DBGC_VFS; + +#undef DBGC_CLASS +#define DBGC_CLASS vfs_recycle_debug_level + +static const char *delimiter = "|"; /* delimiter for options */ + +/* One per connection */ + +typedef struct recycle_bin_struct +{ + TALLOC_CTX *ctx; + char *repository; /* name of the recycle bin directory */ + BOOL keep_dir_tree; /* keep directory structure of deleted file in recycle bin */ + BOOL versions; /* create versions of deleted files with identical name */ + BOOL touch; /* touch access date of deleted file */ + char *exclude; /* which files to exclude */ + char *exclude_dir; /* which directories to exclude */ + char *noversions; /* which files to exclude from versioning */ + SMB_OFF_T maxsize; /* maximum file size to be saved */ +} recycle_bin_struct; + +/* VFS operations */ +static struct vfs_ops default_vfs_ops; /* For passthrough operation */ + +static int recycle_connect(struct connection_struct *conn, const char *service, const char *user); +static void recycle_disconnect(struct connection_struct *conn); +static int recycle_unlink(connection_struct *, const char *); + +#define VFS_OP(x) ((void *) x) + +static vfs_op_tuple recycle_ops[] = { + + /* Disk operations */ + {VFS_OP(recycle_connect), SMB_VFS_OP_CONNECT, SMB_VFS_LAYER_TRANSPARENT}, + {VFS_OP(recycle_disconnect), SMB_VFS_OP_DISCONNECT, SMB_VFS_LAYER_TRANSPARENT}, + + /* File operations */ + {VFS_OP(recycle_unlink), SMB_VFS_OP_UNLINK, SMB_VFS_LAYER_TRANSPARENT}, + + {NULL, SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP} +}; + +static BOOL check_bool_param(const char *value) +{ + if (strwicmp(value, "yes") == 0 || + strwicmp(value, "true") == 0 || + strwicmp(value, "1") == 0) + return True; + + return False; +} + +/** + * VFS initialisation function. + * + * @retval initialised vfs_op_tuple array + **/ +vfs_op_tuple *vfs_init(int *vfs_version, struct vfs_ops *def_vfs_ops, + struct smb_vfs_handle_struct *vfs_handle) +{ + DEBUG(10, ("Initializing VFS module recycle\n")); + *vfs_version = SMB_VFS_INTERFACE_VERSION; + memcpy(&default_vfs_ops, def_vfs_ops, sizeof(struct vfs_ops)); + vfs_recycle_debug_level = debug_add_class("vfs_recycle_bin"); + if (vfs_recycle_debug_level == -1) { + vfs_recycle_debug_level = DBGC_VFS; + DEBUG(0, ("vfs_recycle: Couldn't register custom debugging class!\n")); + } else { + DEBUG(0, ("vfs_recycle: Debug class number of 'vfs_recycle': %d\n", vfs_recycle_debug_level)); + } + + return recycle_ops; +} + +/** + * VFS finalization function. + * + **/ +void vfs_done(connection_struct *conn) +{ + DEBUG(10,("Called for connection %d\n", SNUM(conn))); +} + +static int recycle_connect(struct connection_struct *conn, const char *service, const char *user) +{ + TALLOC_CTX *ctx = NULL; + recycle_bin_struct *recbin; + char *servicename; + char *tmp_str; + + DEBUG(10, ("Called for service %s (%d) as user %s\n", service, SNUM(conn), user)); + + if (!(ctx = talloc_init_named("recycle bin"))) { + DEBUG(0, ("Failed to allocate memory in VFS module recycle_bin\n")); + return 0; + } + + recbin = talloc(ctx,sizeof(recycle_bin_struct)); + if ( recbin == NULL) { + DEBUG(0, ("Failed to allocate memory in VFS module recycle_bin\n")); + return -1; + } + recbin->ctx = ctx; + + /* Set defaults */ + recbin->repository = talloc_strdup(ctx, ".recycle"); + ALLOC_CHECK(recbin->repository, error); + recbin->keep_dir_tree = False; + recbin->versions = False; + recbin->touch = False; + recbin->exclude = ""; + recbin->exclude_dir = ""; + recbin->noversions = ""; + recbin->maxsize = 0; + + /* parse configuration options */ + servicename = talloc_strdup(recbin->ctx, lp_servicename(SNUM(conn))); + DEBUG(10, ("servicename = %s\n",servicename)); + if ((tmp_str = lp_parm_string(servicename, "vfs_recycle_bin", "repository")) != NULL) { + recbin->repository = talloc_sub_conn(ctx, conn, tmp_str); + ALLOC_CHECK(recbin->repository, error); + trim_string(recbin->repository, "/", "/"); + DEBUG(5, ("recycle.bin: repository = %s\n", recbin->repository)); + } + if ((tmp_str = lp_parm_string(servicename, "vfs_recycle_bin", "keeptree")) != NULL) { + if (check_bool_param(tmp_str) == True) + recbin->keep_dir_tree = True; + DEBUG(5, ("recycle.bin: keeptree = %s\n", tmp_str)); + } + if ((tmp_str = lp_parm_string(servicename, "vfs_recycle_bin", "versions")) != NULL) { + if (check_bool_param(tmp_str) == True) + recbin->versions = True; + DEBUG(5, ("recycle.bin: versions = %s\n", tmp_str)); + } + if ((tmp_str = lp_parm_string(servicename, "vfs_recycle_bin", "touch")) != NULL) { + if (check_bool_param(tmp_str) == True) + recbin->touch = True; + DEBUG(5, ("recycle.bin: touch = %s\n", tmp_str)); + } + if ((tmp_str = lp_parm_string(servicename, "vfs_recycle_bin", "maxsize")) != NULL) { + recbin->maxsize = strtoul(tmp_str, NULL, 10); + if (recbin->maxsize == 0) { + recbin->maxsize = -1; + DEBUG(5, ("recycle.bin: maxsize = -infinite-\n")); + } else { + DEBUG(5, ("recycle.bin: maxsize = %ld\n", (long int)recbin->maxsize)); + } + } + if ((tmp_str = lp_parm_string(servicename, "vfs_recycle_bin", "exclude")) != NULL) { + recbin->exclude = talloc_strdup(ctx, tmp_str); + ALLOC_CHECK(recbin->exclude, error); + DEBUG(5, ("recycle.bin: exclude = %s\n", recbin->exclude)); + } + if ((tmp_str = lp_parm_string(servicename,"vfs_recycle_bin", "exclude_dir")) != NULL) { + recbin->exclude_dir = talloc_strdup(ctx, tmp_str); + ALLOC_CHECK(recbin->exclude_dir, error); + DEBUG(5, ("recycle.bin: exclude_dir = %s\n", recbin->exclude_dir)); + } + if ((tmp_str = lp_parm_string(servicename,"vfs_recycle_bin", "noversions")) != NULL) { + recbin->noversions = talloc_strdup(ctx, tmp_str); + ALLOC_CHECK(recbin->noversions, error); + DEBUG(5, ("recycle.bin: noversions = %s\n", recbin->noversions)); + } + + conn->vfs_private = (void *)recbin; + return default_vfs_ops.connect(conn, service, user); + +error: + talloc_destroy(ctx); + return -1; +} + +static void recycle_disconnect(struct connection_struct *conn) +{ + DEBUG(10, ("Disconnecting VFS module recycle bin\n")); + if (conn->vfs_private) { + talloc_destroy(((recycle_bin_struct *)conn->vfs_private)->ctx); + conn->vfs_private = NULL; + } + default_vfs_ops.disconnect(conn); +} + +static BOOL recycle_directory_exist(connection_struct *conn, const char *dname) +{ + SMB_STRUCT_STAT st; + + if (default_vfs_ops.stat(conn, dname, &st) == 0) { + if (S_ISDIR(st.st_mode)) { + return True; + } + } + + return False; +} + +static BOOL recycle_file_exist(connection_struct *conn, const char *fname) +{ + SMB_STRUCT_STAT st; + + if (default_vfs_ops.stat(conn, fname, &st) == 0) { + if (S_ISREG(st.st_mode)) { + return True; + } + } + + return False; +} + +/** + * Return file size + * @param conn connection + * @param fname file name + * @return size in bytes + **/ +static SMB_OFF_T recycle_get_file_size(connection_struct *conn, const char *fname) +{ + SMB_STRUCT_STAT st; + if (default_vfs_ops.stat(conn, fname, &st) != 0) { + DEBUG(0,("recycle.bin: stat for %s returned %s\n", fname, strerror(errno))); + return (SMB_OFF_T)0; + } + return(st.st_size); +} + +/** + * Create directory tree + * @param conn connection + * @param dname Directory tree to be created + * @return Returns True for success + **/ +static BOOL recycle_create_dir(connection_struct *conn, const char *dname) +{ + int len; + mode_t mode; + char *new_dir = NULL; + char *tmp_str = NULL; + char *token; + char *tok_str; + BOOL ret = False; + + mode = S_IREAD | S_IWRITE | S_IEXEC; + + tmp_str = strdup(dname); + ALLOC_CHECK(tmp_str, done); + tok_str = tmp_str; + + len = strlen(dname); + new_dir = (char *)malloc(len + 1); + ALLOC_CHECK(new_dir, done); + *new_dir = '\0'; + + /* Create directory tree if neccessary */ + for(token = strtok(tok_str, "/"); token; token = strtok(NULL, "/")) { + safe_strcat(new_dir, token, len); + if (recycle_directory_exist(conn, new_dir)) + DEBUG(10, ("recycle.bin: dir %s already exists\n", new_dir)); + else { + DEBUG(5, ("recycle.bin: creating new dir %s\n", new_dir)); + if (default_vfs_ops.mkdir(conn, new_dir, mode) != 0) { + DEBUG(1,("recycle.bin: mkdir failed for %s with error: %s\n", new_dir, strerror(errno))); + ret = False; + goto done; + } + } + safe_strcat(new_dir, "/", len); + } + + ret = True; +done: + SAFE_FREE(tmp_str); + SAFE_FREE(new_dir); + return ret; +} + +/** + * Check if needle is contained exactly in haystack + * @param haystack list of parameters separated by delimimiter character + * @param needle string to be matched exactly to haystack + * @return True if found + **/ +static BOOL checkparam(const char *haystack, const char *needle) +{ + char *token; + char *tok_str; + char *tmp_str; + BOOL ret = False; + + if (haystack == NULL || strlen(haystack) == 0 || needle == NULL || strlen(needle) == 0) { + return False; + } + + tmp_str = strdup(haystack); + ALLOC_CHECK(tmp_str, done); + token = tok_str = tmp_str; + + for(token = strtok(tok_str, delimiter); token; token = strtok(NULL, delimiter)) { + if(strcmp(token, needle) == 0) { + ret = True; + goto done; + } + } +done: + SAFE_FREE(tmp_str); + return ret; +} + +/** + * Check if needle is contained in haystack, * and ? patterns are resolved + * @param haystack list of parameters separated by delimimiter character + * @param needle string to be matched exectly to haystack including pattern matching + * @return True if found + **/ +static BOOL matchparam(const char *haystack, const char *needle) +{ + char *token; + char *tok_str; + char *tmp_str; + BOOL ret = False; + + if (haystack == NULL || strlen(haystack) == 0 || needle == NULL || strlen(needle) == 0) { + return False; + } + + tmp_str = strdup(haystack); + ALLOC_CHECK(tmp_str, done); + token = tok_str = tmp_str; + + for(token = strtok(tok_str, delimiter); token; token = strtok(NULL, delimiter)) { + if (!unix_wild_match(token, needle)) { + ret = True; + goto done; + } + } +done: + SAFE_FREE(tmp_str); + return ret; +} + +/** + * Touch access date + **/ +static void recycle_touch(connection_struct *conn, const char *fname) +{ + SMB_STRUCT_STAT st; + struct utimbuf tb; + time_t currtime; + + if (default_vfs_ops.stat(conn, fname, &st) != 0) { + DEBUG(0,("recycle.bin: stat for %s returned %s\n", fname, strerror(errno))); + return; + } + currtime = time(&currtime); + tb.actime = currtime; + tb.modtime = st.st_mtime; + + if (default_vfs_ops.utime(conn, fname, &tb) == -1 ) + DEBUG(0, ("recycle.bin: touching %s failed, reason = %s\n", fname, strerror(errno))); + } + +/** + * Check if file should be recycled + **/ +static int recycle_unlink(connection_struct *conn, const char *inname) +{ + recycle_bin_struct *recbin; + char *file_name = NULL; + char *path_name = NULL; + char *temp_name = NULL; + char *final_name = NULL; + char *base; + int i; + SMB_BIG_UINT dfree, dsize, bsize; + SMB_OFF_T file_size, space_avail; + BOOL exist; + int rc = -1; + + file_name = strdup(inname); + ALLOC_CHECK(file_name, done); + + if (conn->vfs_private) + recbin = (recycle_bin_struct *)conn->vfs_private; + else { + DEBUG(0, ("Recycle bin not initialized!\n")); + rc = default_vfs_ops.unlink(conn, file_name); + goto done; + } + + if(!recbin->repository || *(recbin->repository) == '\0') { + DEBUG(3, ("Recycle path not set, purging %s...\n", file_name)); + rc = default_vfs_ops.unlink(conn, file_name); + goto done; + } + + /* we don't recycle the recycle bin... */ + if (strncmp(file_name, recbin->repository, strlen(recbin->repository)) == 0) { + DEBUG(3, ("File is within recycling bin, unlinking ...\n")); + rc = default_vfs_ops.unlink(conn, file_name); + goto done; + } + + file_size = recycle_get_file_size(conn, file_name); + /* it is wrong to purge filenames only because they are empty imho + * --- simo + * + if(fsize == 0) { + DEBUG(3, ("File %s is empty, purging...\n", file_name)); + rc = default_vfs_ops.unlink(conn,file_name); + goto done; + } + */ + + /* FIXME: this is wrong, we should check the hole size of the recycle bin is + * not greater then maxsize, not the size of the single file, also it is better + * to remove older files + */ + if(recbin->maxsize > 0 && file_size > recbin->maxsize) { + DEBUG(3, ("File %s exceeds maximum recycle size, purging... \n", file_name)); + rc = default_vfs_ops.unlink(conn, file_name); + goto done; + } + + /* FIXME: this is wrong: moving files with rename does not change the disk space + * allocation + * + space_avail = default_vfs_ops.disk_free(conn, ".", True, &bsize, &dfree, &dsize) * 1024L; + DEBUG(5, ("space_avail = %Lu, file_size = %Lu\n", space_avail, file_size)); + if(space_avail < file_size) { + DEBUG(3, ("Not enough diskspace, purging file %s\n", file_name)); + rc = default_vfs_ops.unlink(conn, file_name); + goto done; + } + */ + + /* extract filename and path */ + path_name = (char *)malloc(PATH_MAX); + ALLOC_CHECK(path_name, done); + *path_name = '\0'; + safe_strcpy(path_name, file_name, PATH_MAX); + base = strrchr(path_name, '/'); + if (base == NULL) { + base = file_name; + safe_strcpy(path_name, "/", PATH_MAX); + } + else { + *base = '\0'; + base++; + } + + DEBUG(10, ("recycle.bin: fname = %s\n", file_name)); /* original filename with path */ + DEBUG(10, ("recycle.bin: fpath = %s\n", path_name)); /* original path */ + DEBUG(10, ("recycle.bin: base = %s\n", base)); /* filename without path */ + + if (matchparam(recbin->exclude, base)) { + DEBUG(3, ("recycle.bin: file %s is excluded \n", base)); + rc = default_vfs_ops.unlink(conn, file_name); + goto done; + } + + /* FIXME: this check will fail if we have more than one level of directories, + * we shoud check for every level 1, 1/2, 1/2/3, 1/2/3/4 .... + * ---simo + */ + if (checkparam(recbin->exclude_dir, path_name)) { + DEBUG(3, ("recycle.bin: directory %s is excluded \n", path_name)); + rc = default_vfs_ops.unlink(conn, file_name); + goto done; + } + + temp_name = (char *)malloc(PATH_MAX); + ALLOC_CHECK(temp_name, done); + safe_strcpy(temp_name, recbin->repository, PATH_MAX); + + /* see if we need to recreate the original directory structure in the recycle bin */ + if (recbin->keep_dir_tree == True) { + safe_strcat(temp_name, "/", PATH_MAX); + safe_strcat(temp_name, path_name, PATH_MAX); + } + + exist = recycle_directory_exist(conn, temp_name); + if (exist) { + DEBUG(10, ("recycle.bin: Directory already exists\n")); + } else { + DEBUG(10, ("recycle.bin: Creating directory %s\n", temp_name)); + if (recycle_create_dir(conn, temp_name) == False) { + DEBUG(3, ("Could not create directory, purging %s...\n", file_name)); + rc = default_vfs_ops.unlink(conn, file_name); + goto done; + } + } + + final_name = (char *)malloc(PATH_MAX); + ALLOC_CHECK(final_name, done); + snprintf(final_name, PATH_MAX, "%s/%s", temp_name, base); + DEBUG(10, ("recycle.bin: recycled file name%s\n", temp_name)); /* new filename with path */ + + /* check if we should delete file from recycle bin */ + if (recycle_file_exist(conn, final_name)) { + if (recbin->versions == False || matchparam(recbin->noversions, base) == True) { + DEBUG(3, ("recycle.bin: Removing old file %s from recycle bin\n", final_name)); + if (default_vfs_ops.unlink(conn, final_name) != 0) { + DEBUG(1, ("recycle.bin: Error deleting old file: %s\n", strerror(errno))); + } + } + } + + /* rename file we move to recycle bin */ + i = 1; + while (recycle_file_exist(conn, final_name)) { + snprintf(final_name, PATH_MAX, "%s/Copy #%d of %s", temp_name, i++, base); + } + + DEBUG(10, ("recycle.bin: Moving %s to %s\n", file_name, final_name)); + rc = default_vfs_ops.rename(conn, file_name, final_name); + if (rc != 0) { + DEBUG(3, ("recycle.bin: Move error %d (%s), purging file %s (%s)\n", errno, strerror(errno), file_name, final_name)); + rc = default_vfs_ops.unlink(conn, file_name); + goto done; + } + + /* touch access date of moved file */ + if (recbin->touch == True ) + recycle_touch(conn, final_name); + +done: + SAFE_FREE(file_name); + SAFE_FREE(path_name); + SAFE_FREE(temp_name); + SAFE_FREE(final_name); + return rc; +} diff --git a/source3/script/installmodules.sh b/source3/script/installmodules.sh new file mode 100755 index 0000000000..9b9d950ca2 --- /dev/null +++ b/source3/script/installmodules.sh @@ -0,0 +1,26 @@ +#!/bin/sh + +INSTALLPERMS=$1 +BASEDIR=$2 +LIBDIR=$3 +shift +shift +shift + +for p in $*; do + p2=`basename $p` + echo Installing $p as $LIBDIR/$p2 + cp -f $p $LIBDIR/ + chmod $INSTALLPERMS $LIBDIR/$p2 +done + + +cat << EOF +====================================================================== +The modules are installed. You may uninstall the modules using the +command "make uninstallmodules" or "make uninstall" to uninstall +binaries, man pages, shell scripts and modules. +====================================================================== +EOF + +exit 0 diff --git a/source3/script/uninstallmodules.sh b/source3/script/uninstallmodules.sh new file mode 100755 index 0000000000..30582a39fa --- /dev/null +++ b/source3/script/uninstallmodules.sh @@ -0,0 +1,37 @@ +#!/bin/sh +#4 July 96 Dan.Shearer@UniSA.edu.au + +INSTALLPERMS=$1 +BASEDIR=$2 +LIBDIR=$3 +shift +shift +shift + +if [ ! -d $LIBDIR ]; then + echo Directory $LIBDIR does not exist! + echo Do a "make installmodules" or "make install" first. + exit 1 +fi + +for p in $*; do + p2=`basename $p` + if [ -f $LIBDIR/$p2 ]; then + echo Removing $LIBDIR/$p2 + rm -f $LIBDIR/$p2 + if [ -f $LIBDIR/$p2 ]; then + echo Cannot remove $LIBDIR/$p2 ... does $USER have privileges? + fi + fi +done + + +cat << EOF +====================================================================== +The modules have been uninstalled. You may restore the modules using +the command "make installmodules" or "make install" to install +binaries, modules, man pages and shell scripts. +====================================================================== +EOF + +exit 0 |