From 31bdcfe4b647c8c783efa32da3c333b5f166a42d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 20 Jun 2024 06:07:27 +0200 Subject: Adding upstream version 2:4.20.2+dfsg. Signed-off-by: Daniel Baumann --- source3/modules/vfs_recycle.c | 176 +++++++++++++++++++++++++----------------- 1 file changed, 107 insertions(+), 69 deletions(-) (limited to 'source3/modules/vfs_recycle.c') diff --git a/source3/modules/vfs_recycle.c b/source3/modules/vfs_recycle.c index 327a7ee..ea0417d 100644 --- a/source3/modules/vfs_recycle.c +++ b/source3/modules/vfs_recycle.c @@ -55,10 +55,14 @@ static int vfs_recycle_connect(struct vfs_handle_struct *handle, const char *service, const char *user) { + const struct loadparm_substitution *lp_sub = + loadparm_s3_global_substitution(); struct recycle_config_data *config = NULL; int ret; int t; - const char *buff; + const char *buff = NULL; + const char **tmplist = NULL; + char *repository = NULL; ret = SMB_VFS_NEXT_CONNECT(handle, service, user); if (ret < 0) { @@ -75,10 +79,30 @@ static int vfs_recycle_connect(struct vfs_handle_struct *handle, errno = ENOMEM; return -1; } - config->repository = lp_parm_const_string(SNUM(handle->conn), - "recycle", - "repository", - ".recycle"); + buff = lp_parm_const_string(SNUM(handle->conn), + "recycle", + "repository", + ".recycle"); + repository = talloc_sub_full( + config, + lp_servicename(talloc_tos(), lp_sub, SNUM(handle->conn)), + handle->conn->session_info->unix_info->unix_name, + handle->conn->connectpath, + handle->conn->session_info->unix_token->gid, + handle->conn->session_info->unix_info->sanitized_username, + handle->conn->session_info->info->domain_name, + buff); + if (repository == NULL) { + DBG_ERR("talloc_sub_full() failed\n"); + TALLOC_FREE(config); + errno = ENOMEM; + return -1; + } + /* shouldn't we allow absolute path names here? --metze */ + /* Yes :-). JRA. */ + trim_char(repository, '\0', '/'); + config->repository = repository; + config->keeptree = lp_parm_bool(SNUM(handle->conn), "recycle", "keeptree", @@ -95,18 +119,48 @@ static int vfs_recycle_connect(struct vfs_handle_struct *handle, "recycle", "touch_mtime", False); - config->exclude = lp_parm_string_list(SNUM(handle->conn), - "recycle", - "exclude", - NULL); - config->exclude_dir = lp_parm_string_list(SNUM(handle->conn), - "recycle", - "exclude_dir", - NULL); - config->noversions = lp_parm_string_list(SNUM(handle->conn), - "recycle", - "noversions", - NULL); + tmplist = lp_parm_string_list(SNUM(handle->conn), + "recycle", + "exclude", + NULL); + if (tmplist != NULL) { + char **tmpcpy = str_list_copy(config, tmplist); + if (tmpcpy == NULL) { + DBG_ERR("str_list_copy() failed\n"); + TALLOC_FREE(config); + errno = ENOMEM; + return -1; + } + config->exclude = discard_const_p(const char *, tmpcpy); + } + tmplist = lp_parm_string_list(SNUM(handle->conn), + "recycle", + "exclude_dir", + NULL); + if (tmplist != NULL) { + char **tmpcpy = str_list_copy(config, tmplist); + if (tmpcpy == NULL) { + DBG_ERR("str_list_copy() failed\n"); + TALLOC_FREE(config); + errno = ENOMEM; + return -1; + } + config->exclude_dir = discard_const_p(const char *, tmpcpy); + } + tmplist = lp_parm_string_list(SNUM(handle->conn), + "recycle", + "noversions", + NULL); + if (tmplist != NULL) { + char **tmpcpy = str_list_copy(config, tmplist); + if (tmpcpy == NULL) { + DBG_ERR("str_list_copy() failed\n"); + TALLOC_FREE(config); + errno = ENOMEM; + return -1; + } + config->noversions = discard_const_p(const char *, tmpcpy); + } config->minsize = conv_str_size(lp_parm_const_string( SNUM(handle->conn), "recycle", "minsize", NULL)); config->maxsize = conv_str_size(lp_parm_const_string( @@ -421,42 +475,27 @@ static int recycle_unlink_internal(vfs_handle_struct *handle, const struct smb_filename *smb_fname, int flags) { - const struct loadparm_substitution *lp_sub = - loadparm_s3_global_substitution(); - connection_struct *conn = handle->conn; + TALLOC_CTX *frame = NULL; struct smb_filename *full_fname = NULL; char *path_name = NULL; - char *temp_name = NULL; - char *final_name = NULL; + const char *temp_name = NULL; + const char *final_name = NULL; struct smb_filename *smb_fname_final = NULL; - const char *base; - char *repository = NULL; + const char *base = NULL; int i = 1; off_t file_size; /* space_avail; */ bool exist; int rc = -1; - struct recycle_config_data *config; + struct recycle_config_data *config = NULL; SMB_VFS_HANDLE_GET_DATA(handle, config, struct recycle_config_data, - return true); + return -1); - repository = talloc_sub_full( - NULL, - lp_servicename(talloc_tos(), lp_sub, SNUM(conn)), - conn->session_info->unix_info->unix_name, - conn->connectpath, - conn->session_info->unix_token->gid, - conn->session_info->unix_info->sanitized_username, - conn->session_info->info->domain_name, - config->repository); - ALLOC_CHECK(repository, done); - /* shouldn't we allow absolute path names here? --metze */ - /* Yes :-). JRA. */ - trim_char(repository, '\0', '/'); + frame = talloc_stackframe(); - if(!repository || *(repository) == '\0') { + if (config->repository[0] == '\0') { DEBUG(3, ("recycle: repository path not set, purging %s...\n", smb_fname_str_dbg(smb_fname))); rc = SMB_VFS_NEXT_UNLINKAT(handle, @@ -466,16 +505,18 @@ static int recycle_unlink_internal(vfs_handle_struct *handle, goto done; } - full_fname = full_path_from_dirfsp_atname(talloc_tos(), + full_fname = full_path_from_dirfsp_atname(frame, dirfsp, smb_fname); if (full_fname == NULL) { - return -1; + rc = -1; + errno = ENOMEM; + goto done; } /* we don't recycle the recycle bin... */ - if (strncmp(full_fname->base_name, repository, - strlen(repository)) == 0) { + if (strncmp(full_fname->base_name, config->repository, + strlen(config->repository)) == 0) { DEBUG(3, ("recycle: File is within recycling bin, unlinking ...\n")); rc = SMB_VFS_NEXT_UNLINKAT(handle, dirfsp, @@ -539,7 +580,7 @@ static int recycle_unlink_internal(vfs_handle_struct *handle, */ /* extract filename and path */ - if (!parent_dirname(talloc_tos(), full_fname->base_name, &path_name, &base)) { + if (!parent_dirname(frame, full_fname->base_name, &path_name, &base)) { rc = -1; errno = ENOMEM; goto done; @@ -571,13 +612,16 @@ static int recycle_unlink_internal(vfs_handle_struct *handle, } if (config->keeptree) { - if (asprintf(&temp_name, "%s/%s", repository, path_name) == -1) { - ALLOC_CHECK(temp_name, done); + temp_name = talloc_asprintf(frame, "%s/%s", + config->repository, + path_name); + if (temp_name == NULL) { + rc = -1; + goto done; } } else { - temp_name = SMB_STRDUP(repository); + temp_name = config->repository; } - ALLOC_CHECK(temp_name, done); exist = recycle_directory_exist(handle, temp_name); if (exist) { @@ -600,12 +644,15 @@ static int recycle_unlink_internal(vfs_handle_struct *handle, } } - if (asprintf(&final_name, "%s/%s", temp_name, base) == -1) { - ALLOC_CHECK(final_name, done); + final_name = talloc_asprintf(frame, "%s/%s", + temp_name, base); + if (final_name == NULL) { + rc = -1; + goto done; } /* Create smb_fname with final base name and orig stream name. */ - smb_fname_final = synthetic_smb_fname(talloc_tos(), + smb_fname_final = synthetic_smb_fname(frame, final_name, full_fname->stream_name, NULL, @@ -641,20 +688,16 @@ static int recycle_unlink_internal(vfs_handle_struct *handle, /* rename file we move to recycle bin */ i = 1; while (recycle_file_exist(handle, smb_fname_final)) { - SAFE_FREE(final_name); - if (asprintf(&final_name, "%s/Copy #%d of %s", temp_name, i++, base) == -1) { - ALLOC_CHECK(final_name, done); - } + char *copy = NULL; + TALLOC_FREE(smb_fname_final->base_name); - smb_fname_final->base_name = talloc_strdup(smb_fname_final, - final_name); - if (smb_fname_final->base_name == NULL) { - rc = SMB_VFS_NEXT_UNLINKAT(handle, - dirfsp, - smb_fname, - flags); + copy = talloc_asprintf(smb_fname_final, "%s/Copy #%d of %s", + temp_name, i++, base); + if (copy == NULL) { + rc = -1; goto done; } + smb_fname_final->base_name = copy; } DEBUG(10, ("recycle: Moving %s to %s\n", smb_fname_str_dbg(full_fname), @@ -681,12 +724,7 @@ static int recycle_unlink_internal(vfs_handle_struct *handle, recycle_do_touch(handle, smb_fname_final, config->touch_mtime); done: - TALLOC_FREE(path_name); - SAFE_FREE(temp_name); - SAFE_FREE(final_name); - TALLOC_FREE(full_fname); - TALLOC_FREE(smb_fname_final); - TALLOC_FREE(repository); + TALLOC_FREE(frame); return rc; } -- cgit v1.2.3