Mon, 25 Jan 2016 10:48:58 +0100
updated copyright notice
/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 2016 Olaf Wintermann. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <errno.h> #include <libidav/utils.h> #include <ucx/map.h> #include "scfg.h" #define xstreq(a,b) xmlStrEqual(BAD_CAST a, BAD_CAST b) #ifdef _WIN32 #define ENV_HOME getenv("USERPROFILE") #else #define ENV_HOME getenv("HOME") #endif /* _WIN32 */ static UcxMap *directories; int load_sync_config() { char *file = util_concat_path(ENV_HOME, ".dav/sync.xml"); xmlDoc *doc = xmlReadFile(file, NULL, 0); if(!doc) { fprintf(stderr, "Missing or broken configuration file\n"); scfg_print_example(); return -1; } directories = ucx_map_new(8); int ret = 0; xmlNode *node = xmlDocGetRootElement(doc)->children; while(node) { if(node->type == XML_ELEMENT_NODE) { if(xstreq(node->name, "directory")) { if(scfg_load_directory(node)) { ret = 1; ucx_map_free(directories); break; } } } node = node->next; } xmlFreeDoc(doc); return ret; } static UcxList* add_regex_pattern(UcxList *list, char *value) { regex_t *regex = malloc(sizeof(regex_t)); if (regcomp(regex, value, REG_EXTENDED|REG_NOSUB)) { fprintf(stderr, "Invalid regular expression (%s) ... skipped\n", value); return list; } else { return ucx_list_append(list, regex); } } int scfg_load_directory(xmlNode *node) { char *name = NULL; char *path = NULL; char *trash = NULL; char *collection = NULL; char *repository = NULL; char *database = NULL; UcxList *include = NULL; UcxList *exclude = NULL; int max_retry = DAV_MAX_RETRY; bool backuppull = false; node = node->children; while(node) { if(node->type == XML_ELEMENT_NODE) { char *value = util_xml_get_text(node); if(!value) { // next } else if(xstreq(node->name, "name")) { name = value; } else if(xstreq(node->name, "path")) { path = value; } else if(xstreq(node->name, "trash")) { trash = value; } else if(xstreq(node->name, "collection")) { collection = value; } else if(xstreq(node->name, "repository")) { repository = value; } else if(xstreq(node->name, "database")) { database = value; } else if(xstreq(node->name, "include")) { include = add_regex_pattern(include, value); } else if(xstreq(node->name, "exclude")) { exclude = add_regex_pattern(exclude, value); } else if(xstreq(node->name, "max-retry")) { int64_t i; if(util_strtoint(value, &i)) { max_retry = (int)i; } else { fprintf(stderr, "Warnung: sync.xml: integer value " "expected in <max-retry> element\n"); } } else if(xstreq(node->name, "backup-on-pull")) { backuppull = util_getboolean(value); } } node = node->next; } if(!name) { fprintf(stderr, "Missing name element for directory\n"); return -1; } if(!path) { fprintf(stderr, "Missing path element for directory\n"); return -1; } if(!repository) { fprintf(stderr, "Missing repository element for directory\n"); return -1; } if(!database) { fprintf(stderr, "Missing database element for directory\n"); return -1; } SyncDirectory *dir = malloc(sizeof(SyncDirectory)); dir->name = strdup(name); dir->path = strdup(path); dir->collection = collection ? strdup(collection) : NULL; dir->repository = strdup(repository); dir->database = strdup(database); dir->max_retry = max_retry; dir->backuppull = backuppull; if (include) { dir->include = include; } else { regex_t *matchall = malloc(sizeof(regex_t)); regcomp(matchall, ".*", REG_NOSUB); dir->include = ucx_list_append(NULL, matchall); } if (exclude) { dir->exclude = exclude; } else { regex_t *matchnothing = malloc(sizeof(regex_t)); regcomp(matchnothing, "///", REG_NOSUB); dir->exclude = ucx_list_append(NULL, matchnothing); } if (trash && sstrtrim(sstr(trash)).length > 0) { if (trash[0] == '/') { dir->trash = strdup(trash); } else { char *t = util_concat_path(path, trash); dir->trash = util_concat_path(t, "/"); free(t); } // create trash directory mode_t mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH; if (util_mkdir(dir->trash, mode)) { if (errno != EEXIST) { fprintf(stderr, "Cannot create trash directory: %s\n", dir->trash); } } } else { dir->trash = NULL; } ucx_map_cstr_put(directories, name, dir); return 0; } void scfg_print_example() { fprintf(stderr, "example sync.xml\n\n" "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n" "<configuration>\n" " <directory>\n" " <!-- identifier -->\n" " <name>documents</name>\n\n" " <!-- local path to the directory -->\n" " <path>/home/user/Documents</path>\n\n" " <!-- optional trash path -->\n" " <trash>.trash</trash>" " <!-- repository name specified in config.xml -->\n" " <repository>server</repository>\n\n" " <!-- collection to synchronize (optional) -->\n" " <collection>somecol</collection>\n\n" " <!-- database file name -->\n" " <database>documents-db.xml</database>\n" " </directory>\n" "</configuration>\n"); } SyncDirectory* scfg_get_dir(char *name) { return ucx_map_cstr_get(directories, name); }