Thu, 28 May 2015 12:22:55 +0200
completed logical expression parser - NEED TO TEST A LOT!
/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 2015 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 <unistd.h> #include <time.h> #include <sys/types.h> #include <ucx/string.h> #include <ucx/utils.h> #include <dirent.h> #include <libidav/utils.h> #include <libidav/crypto.h> #include <libidav/session.h> #include "config.h" #include "main.h" static DavContext *ctx; static void xmlerrorfnc(void * c, const char * msg, ... ) { // nothing } //#define DO_THE_TEST #include <libidav/davqlparser.h> void test() { DavQLStatement *stmt = dav_parse_statement(S( "get - from '/path/with space' with depth = %d")); dav_debug_statement(stmt); dav_free_statement(stmt); } int main(int argc, char **argv) { xmlGenericErrorFunc fnc = xmlerrorfnc; initGenericErrorDefaultFunc(&fnc); ctx = dav_context_new(); load_config(ctx); #ifdef DO_THE_TEST test(); return 0; #endif memcpy(ctx->http_proxy, get_http_proxy(), sizeof(Proxy)); memcpy(ctx->https_proxy, get_https_proxy(), sizeof(Proxy)); if(argc < 2) { fprintf(stderr, "Missing command\n"); print_usage(argv[0]); return -1; } char *cmd = argv[1]; CmdArgs *args = cmd_parse_args(argc - 2, argv + 2); if(!args) { print_usage(argv[0]); cmd_args_free(args); return -1; } int ret = -1; if(!strcasecmp(cmd, "list") || !strcasecmp(cmd, "ls")) { ret = cmd_list(args); } else if(!strcasecmp(cmd, "get")) { ret = cmd_get(args); } else if(!strcasecmp(cmd, "put")) { ret = cmd_put(args); } else if( !strcasecmp(cmd, "remove") || !strcasecmp(cmd, "rm") || !strcasecmp(cmd, "delete")) { ret = cmd_remove(args); } else if(!strcasecmp(cmd, "mkdir") || !strcasecmp(cmd, "mkcol")) { ret = cmd_mkdir(args); } else if(!strcasecmp(cmd, "date")) { ret = cmd_date(args); } else if(!strcasecmp(cmd, "set-property")) { ret = cmd_set_property(args); } else if(!strcasecmp(cmd, "get-property")) { ret = cmd_get_property(args); } else if(!strcasecmp(cmd, "info")) { ret = cmd_info(args); } else { print_usage(argv[0]); } dav_context_destroy(ctx); cmd_args_free(args); free_config(); xmlCleanupParser(); curl_global_cleanup(); return ret; } void print_usage(char *cmd) { fprintf(stderr, "Usage: %s command [options] arguments...\n\n", cmd); fprintf(stderr, "Commands:\n"); fprintf(stderr, " list [-altpcR] [-u <date>] <url>\n"); fprintf( stderr, " get [-pcR] [-o <file>] [-u <date>] <url>\n"); fprintf(stderr, " put [-pcR] [-k <key>] <url> <file>\n"); fprintf(stderr, " mkdir [-pc] [-k <key>] <url>\n"); fprintf(stderr, " remove [-pc] <url>\n"); fprintf( stderr, " get-property [-pc] [-n <uri>] <url> <property>\n"); fprintf( stderr, " set-property [-pc] [-n <uri>] <url> <property> [value]\n"); fprintf(stderr, " info [-pc] <url>\n"); fprintf(stderr, " date [url]\n"); fprintf(stderr, "\n"); fprintf(stderr, "Options:\n"); fprintf(stderr, " -k <key> Key to use for encryption\n"); fprintf(stderr, " -p Don't encrypt or decrypt files\n"); fprintf(stderr, " -c Enable full encryption\n"); fprintf(stderr, " -R " "Recursively do the operation for all children\n"); fprintf(stderr, " -o <file> Write output to file\n"); fprintf( stderr, " -u <date> " "Get resources which are modified since the specified date\n"); fprintf(stderr, " -a show all files\n"); fprintf(stderr, " -l print resources in long list format\n"); fprintf(stderr, " -t print content type\n"); fprintf(stderr, " -n <uri> specify namespace uri\n"); fprintf(stderr, " -v verbose output\n"); fprintf(stderr, "\n"); fprintf(stderr, "Instead of an url you can pass a repository name " "with an optional path:\n"); fprintf(stderr, " <repository>/path/\n"); fprintf(stderr, "\n"); } int request_auth(Repository *repo, DavSession *sn) { static int login = 0; if(login) { return 0; } char *user = NULL; char *password = NULL; char ubuf[256]; char pbuf[256]; if(repo->user) { user = repo->user; } else { printf("user: "); fflush(stdout); user = fgets(ubuf, 256, stdin); } printf("password: "); fflush(stdout); password = fgets(pbuf, 256, stdin); size_t ulen = strlen(user); if(user[ulen-1] == '\n') { user[ulen-1] = '\0'; } size_t plen = strlen(password); if(password[plen-1] == '\n') { password[plen-1] = '\0'; } dav_session_set_auth(sn, user, password); login = 1; return 1; } Repository* url2repo(char *url, char **path) { size_t ulen = strlen(url); *path = NULL; int s; if(ulen > 7 && !strncasecmp(url, "http://", 7)) { s = 7; } else if(ulen > 8 && !strncasecmp(url, "https://", 8)) { s = 8; } else { s = 1; } sstr_t r = sstr(url); sstr_t p = sstr("/"); for(int i=s;i<ulen;i++) { char c = url[i]; if(c == '/') { r = sstrn(url, i); p = sstrsubs(sstr(url), i); if(p.length == 0) { p = sstrn("/", 1); } break; } } Repository *repo = get_repository(r); if(repo) { *path = sstrdup(p).ptr; } else { repo = calloc(1, sizeof(Repository)); repo->name = strdup(""); repo->decrypt_content = true; if(url[ulen-1] == '/') { repo->url = strdup(url); *path = strdup("/"); } else if (strchr(url, '/')) { repo->url = util_parent_path(url); // TODO: check/fix *path = strdup(util_resource_name(url)-1); } else { repo->url = strdup(url); *path = strdup("/"); } } return repo; } void print_resource_error(DavSession *sn, char *path) { char *res_url = util_concat_path(sn->base_url, path); switch(sn->error) { default: { fprintf(stderr, "Operation failed for resource %s.\n", res_url); if(sn->errorstr) { fprintf(stderr, "%s\n", sn->errorstr); } break; } case DAV_NOT_FOUND: { fprintf(stderr, "Resource %s not found.\n", res_url); break; } case DAV_UNAUTHORIZED: { fprintf(stderr, "Authentication required.\n"); break; } case DAV_FORBIDDEN: { fprintf(stderr, "Access forbidden.\n"); break; } case DAV_METHOD_NOT_ALLOWED: { fprintf(stderr, "Method not allowed.\n"); } case DAV_CONFLICT: { fprintf( stderr, "Missing intermediate collections for resource %s.\n", res_url); } case DAV_UNSUPPORTED_PROTOCOL: { fprintf(stderr, "Unsupported protocol.\n"); if(sn->errorstr) { fprintf(stderr, "%s\n", sn->errorstr); } break; } case DAV_COULDNT_RESOLVE_PROXY: { fprintf(stderr, "Cannot resolve proxy host.\n"); break; } case DAV_COULDNT_RESOLVE_HOST: { fprintf(stderr, "Cannot resolve host name.\n"); break; } case DAV_COULDNT_CONNECT: { fprintf(stderr, "Cannot connect to host.\n"); break; } case DAV_TIMEOUT: { fprintf(stderr, "Operation timed out.\n"); break; } case DAV_SSL_ERROR: { fprintf(stderr, "SSL error.\n"); if(sn->errorstr) { fprintf(stderr, "%s\n", sn->errorstr); } } } free(res_url); } int set_session_config(DavSession *sn, CmdArgs *a) { char *plain = cmd_getoption(a, "plain"); char *crypt = cmd_getoption(a, "crypt"); if(plain && crypt) { fprintf(stderr, "Error: -p and -c option set\n"); return 1; } if (plain) { sn->flags &= ~DAV_SESSION_FULL_ENCRYPTION; } else if(crypt) { sn->flags |= DAV_SESSION_FULL_ENCRYPTION; } if (cmd_getoption(a, "verbose")) { curl_easy_setopt(sn->handle, CURLOPT_VERBOSE, 1L); curl_easy_setopt(sn->handle, CURLOPT_STDERR, stderr); } return 0; } static DavSession* connect_to_repo(Repository *repo) { DavSession *sn = dav_session_new_auth(ctx, repo->url, repo->user, repo->password); sn->flags = get_repository_flags(repo); sn->key = dav_context_get_key(ctx, repo->default_key); curl_easy_setopt(sn->handle, CURLOPT_SSLVERSION, repo->ssl_version); return sn; } int cmd_list(CmdArgs *a) { if(a->argc != 1) { fprintf(stderr, "Too %s arguments\n", a->argc < 1 ? "few":"many"); return -1; } char *url = a->argv[0]; char *path = NULL; Repository *repo = url2repo(url, &path); DavSession *sn = connect_to_repo(repo); if(set_session_config(sn, a)) { return -1; } char *update = cmd_getoption(a, "update"); time_t t = -1; if(update) { t = util_parse_lastmodified(update); } int depth = cmd_getoption(a, "recursive") ? -1 : 1; int ret = -1; DavResource *ls; while(ret != 0) { ls = dav_query( sn, "get idav:crypto-name,idav:crypto-key from %s where lastmodified > %t with depth %d", path, t, depth); if(!ls) { if(sn->error == DAV_UNAUTHORIZED) { if(request_auth(repo, sn)) { continue; } } print_resource_error(sn, path); break; } // parameters int show_all = cmd_getoption(a, "all") ? 1 : 0; void (*print_func)(DavResource*, CmdArgs *); if(cmd_getoption(a, "list")) { print_func = ls_print_list_elm; } else { print_func = ls_print_elm; } DavResource *child = ls->children; while(child) { if(child->name[0] != '.' || show_all) { print_func(child, a); } child = child->next; } // leave loop ret = 0; } free(path); //free(base); dav_session_destroy(sn); return ret; } static char* ls_date_str(time_t tm) { struct tm t; struct tm n; time_t now = time(NULL); #ifdef _WIN32 memcpy(&t, localtime(&tm), sizeof(struct tm)); memcpy(&n, localtime(&now), sizeof(struct tm)); #else localtime_r(&tm, &t); localtime_r(&now, &n); #endif /* _WIN32 */ char *str = malloc(16); if(t.tm_year == n.tm_year) { strftime(str, 16, "%b %d %H:%M", &t); } else { strftime(str, 16, "%b %d %Y", &t); } return str; } static char* ls_size_str(DavResource *res) { char *str = malloc(16); uint64_t size = res->contentlength; if(res->iscollection) { snprintf(str, 16, ""); } else if(size < 0x400) { snprintf(str, 16, "%" PRIu64 " bytes", size); } else if(size < 0x100000) { float s = (float)size/0x400; int diff = (s*100 - (int)s*100); if(diff > 90) { diff = 0; s += 0.10f; } if(size < 0x2800 && diff != 0) { // size < 10 KiB snprintf(str, 16, "%.1f KiB", s); } else { snprintf(str, 16, "%.0f KiB", s); } } else if(size < 0x40000000) { float s = (float)size/0x100000; int diff = (s*100 - (int)s*100); if(diff > 90) { diff = 0; s += 0.10f; } if(size < 0xa00000 && diff != 0) { // size < 10 MiB snprintf(str, 16, "%.1f MiB", s); } else { size /= 0x100000; snprintf(str, 16, "%.0f MiB", s); } } else if(size < 0x1000000000ULL) { float s = (float)size/0x40000000; int diff = (s*100 - (int)s*100); if(diff > 90) { diff = 0; s += 0.10f; } if(size < 0x280000000 && diff != 0) { // size < 10 GiB snprintf(str, 16, "%.1f GiB", s); } else { size /= 0x40000000; snprintf(str, 16, "%.0f GiB", s); } } else { size /= 1024; float s = (float)size/0x40000000; int diff = (s*100 - (int)s*100); if(diff > 90) { diff = 0; s += 0.10f; } if(size < 0x280000000 && diff != 0) { // size < 10 TiB snprintf(str, 16, "%.1f TiB", s); } else { size /= 0x40000000; snprintf(str, 16, "%.0f TiB", s); } } return str; } void ls_print_list_elm(DavResource *res, CmdArgs *a) { int recursive = cmd_getoption(a, "recursive") ? 1 : 0; char flags[16]; memset(flags, '-', 15); flags[2] = '\0'; int type_width = 0; char *type = res->contenttype; if(res->iscollection) { flags[0] = 'd'; type = ""; } char *keyprop = dav_get_property_ns( res, DAV_NS, "crypto-key"); if(keyprop) { flags[1] = 'c'; } if(cmd_getoption(a, "type")) { type_width = 20; } if(type == NULL || type_width == 0) { type = ""; } char *date = ls_date_str(res->lastmodified); char *size = ls_size_str(res); char *name = recursive ? res->path+1 : res->name; printf( "%s %*s %10s %12s %s\n", flags, type_width, type, size, date, name); free(date); free(size); if(recursive) { DavResource *child = res->children; while(child) { ls_print_list_elm(child, a); child = child->next; } } } void ls_print_elm(DavResource *res, CmdArgs *a) { int recursive = cmd_getoption(a, "recursive") ? 1 : 0; char *name = recursive ? res->path+1 : res->name; printf("%s\n", name); if(recursive) { DavResource *child = res->children; while(child) { ls_print_elm(child, a); child = child->next; } } } int cmd_get(CmdArgs *a) { if(a->argc != 1) { // TODO: change this, when get supports retrieval of multiple files fprintf(stderr, "Too %s arguments\n", a->argc < 1 ? "few":"many"); return -1; } char *url = a->argv[0]; char *path = NULL; Repository *repo = url2repo(url, &path); DavSession *sn = connect_to_repo(repo); if(set_session_config(sn, a)) { return -1; } char *update = cmd_getoption(a, "update"); time_t t = 0; if(update) { t = util_parse_lastmodified(update); } int recursive = cmd_getoption(a, "recursive") ? 1 : 0; DavResource *res; int depth = recursive ? -1 : 1; res = dav_query( sn, "get - from %s where lastmodified > %t with depth %d", path, t, depth); if(!res) { print_resource_error(sn, path); return -1; } if(!recursive && res->iscollection) { char *res_url = util_concat_path(sn->base_url, path); fprintf(stderr, "Resource %s is a collection.\n", res_url); fprintf(stderr, "Use the -R option to download collections.\n"); free(res_url); return -1; } /* * determine the output file * use stdout if the output file is - */ char *outfile = cmd_getoption(a, "output"); if(!outfile) { if(res->iscollection) { outfile = ""; } else { outfile = res->name; } } else if(res->iscollection && !strcmp(outfile, "-")) { fprintf( stderr, "Cannot write output to stdout " "if the requested resource is a collection.\n"); return -1; } int ret = get_resource(repo, res, a, outfile); free(path); return ret; } int get_resource(Repository *repo, DavResource *res, CmdArgs *a, char *out) { size_t outlen = strlen(out); // print some status message in recursive mode if(cmd_getoption(a, "recursive")) { char *res_url = util_concat_path(res->session->base_url, res->path); printf("get: %s\n", res_url); free(res_url); } if(res->iscollection) { // create directory if(outlen != 0) { mode_t mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH; int ret = util_mkdir(out, mode); if(ret != 0 && errno != EEXIST) { return 1; } } DavResource *child = res->children; while(child) { char *newout = outlen > 0 ? util_concat_path(out, child->name) : child->name; int ret = get_resource(repo, child, a, newout); if(outlen > 0) { free(newout); } if(ret) { return 1; } child = child->next; } return 0; } FILE *fout = !strcmp(out, "-") ? stdout : fopen(out, "wb"); if(!fout) { fprintf(stderr, "cannot open output file\n"); return -1; } int ret = dav_get_content(res, fout, (dav_write_func)fwrite); fclose(fout); if(ret && strcmp(out, "-")) { unlink(out); } return 0; } int cmd_put(CmdArgs *a) { if(a->argc != 2) { // TODO: change, when put supports multiple files (however it should do) fprintf(stderr, "Too %s arguments\n", a->argc < 2 ? "few":"many"); return -1; } char *url = a->argv[0]; char *file = a->argv[1]; char *path = NULL; Repository *repo = url2repo(url, &path); DavSession *sn = connect_to_repo(repo); if(set_session_config(sn, a)) { return -1; } // override the session key if the -k option is specified char *keyname = cmd_getoption(a, "key"); if(keyname) { DavKey *key = dav_context_get_key(ctx, keyname); if(key) { sn->key = key; } else { fprintf(stderr, "Key %s not found!\nAbort.\n", keyname); // TODO: free return -1; } } int ret; if(!strcmp(file, "-")) { FILE *in = stdin; ret = put_file(repo, a, sn, path, "stdin", in); } else { ret = put_entry(repo, a, sn, path, file); } free(path); return ret; } int put_entry(Repository *repo, CmdArgs *a, DavSession *sn, char *path, char *file) { int recursive = cmd_getoption(a, "recursive") ? 1 : 0; if(recursive) { printf("put: %s\n", file); } struct stat s; if(stat(file, &s)) { perror("stat"); fprintf(stderr, "cannot stat file %s\n", file); return -1; } int ret = 0; if(S_ISDIR(s.st_mode)) { if(!recursive) { return 1; } DIR *dir = opendir(file); if(!dir) { // error } struct dirent *entry; while((entry = readdir(dir)) != NULL) { if(!strcmp(entry->d_name, ".") || !strcmp(entry->d_name, "..")) { continue; } char *entry_file = util_concat_path(file, entry->d_name); char *entry_path = util_concat_path(path, entry->d_name); int r = put_entry(repo, a, sn, entry_path, entry_file); free(entry_path); free(entry_file); if(r) { ret = 1; break; } } closedir(dir); } else if(S_ISREG(s.st_mode)) { /* * use stdin if the input file is - */ FILE *in = fopen(file, "rb"); if(!in) { fprintf(stderr, "cannot open input file\n"); return -1; } char *filename = util_resource_name(file); //path = util_concat_path(path, filename); ret = put_file(repo, a, sn, path, filename, in); //free(path); fclose(in); } return ret; } int put_file(Repository *repo, CmdArgs *a, DavSession *sn, char *path, char *name, FILE *in) { DavResource *res = dav_query(sn, "get - from %s", path); if(!res) { if(sn->error == DAV_NOT_FOUND) { res = dav_resource_new(sn, path); if(dav_create(res)) { fprintf(stderr, "Cannot create resource.\n"); return -1; } } else { if(sn->errorstr) { fprintf(stderr, "Error: %s\n", sn->errorstr); } else { fprintf(stderr, "Error\n"); } return -1; } } else if(res->iscollection) { // TODO: free res char *newpath = util_concat_path(path, name); path = newpath; res = dav_resource_new(sn, path); free(newpath); int ret = put_file(repo, a, sn, res->path, NULL, in); // TODO: free res return ret; } dav_set_content(res, in, (dav_read_func)fread); if(dav_store(res)) { print_resource_error(sn, res->path); fprintf(stderr, "Cannot upload file.\n"); if(sn->errorstr) { fprintf(stderr, "%s\n", sn->errorstr); } return -1; } return 0; } int cmd_remove(CmdArgs *a) { if(a->argc != 1) { // TODO: change, when removal of multiple files is supported fprintf(stderr, "Too %s arguments\n", a->argc < 1 ? "few":"many"); return -1; } char *url = a->argv[0]; char *path = NULL; DavSession *sn = connect_to_repo(url2repo(url, &path)); if(set_session_config(sn, a)) { return -1; } DavResource *res = dav_resource_new(sn, path); if(!res) { fprintf(stderr, "error\n"); return -1; } if(dav_delete(res)) { print_resource_error(sn, res->path); fprintf(stderr, "Cannot delete resource.\n"); return -1; } free(path); return 0; } int cmd_mkdir(CmdArgs *a) { if(a->argc != 1) { // TODO: change, when creation of multiple dirs is supported fprintf(stderr, "Too %s arguments\n", a->argc < 1 ? "few":"many"); return -1; } char *url = a->argv[0]; char *path = NULL; DavSession *sn = connect_to_repo(url2repo(url, &path)); if(set_session_config(sn, a)) { return -1; } // override the session key if the -k option is specified char *keyname = cmd_getoption(a, "key"); if(keyname) { DavKey *key = dav_context_get_key(ctx, keyname); if(key) { sn->key = key; } else { fprintf(stderr, "Key %s not found!\nAbort.\n", keyname); // TODO: free return -1; } } DavResource *res = dav_resource_new(sn, path); if(!res) { fprintf(stderr, "error\n"); return -1; } res->iscollection = 1; if(dav_create(res)) { print_resource_error(sn, res->path); fprintf(stderr, "Cannot create collection.\n"); return -1; } free(path); return 0; } static size_t get_date_header_cb(void *header, int s, int n, void *data) { char **date_str = (char**)data; //printf("header: %.*s\n", s*n, header); sstr_t h = sstrn(header, s*n); if(sstrprefix(h, S("Date:"))) { sstr_t v = sstrsubs(h, 5); v = sstrdup(sstrtrim(v)); *date_str = v.ptr; } return s*n; } int cmd_date(CmdArgs *a) { if(a->argc < 1) { time_t now = time(NULL); struct tm *date = gmtime(&now); char str[32]; putenv("LC_TIME=C"); size_t len = strftime(str, 32, "%a, %d %b %Y %H:%M:%S GMT\n", date); fwrite(str, 1, len, stdout); } else if (a->argc == 1) { char *url = a->argv[0]; char *path = NULL; DavSession *sn = connect_to_repo(url2repo(url, &path)); DavResource *res = dav_resource_new(sn, path); char *date = NULL; curl_easy_setopt(sn->handle, CURLOPT_HEADERFUNCTION, get_date_header_cb); curl_easy_setopt(sn->handle, CURLOPT_WRITEHEADER, &date); if(dav_exists(res) && date) { printf("%s\n", date); } else { return -1; } free(path); return 0; } else { fprintf(stderr, "Too many arguments\n"); return -1; } return 0; } int cmd_get_property(CmdArgs *a) { if(a->argc < 2) { fprintf(stderr, "Too few arguments\n"); return -1; } char *url = a->argv[0]; char *path = NULL; DavSession *sn = connect_to_repo(url2repo(url, &path)); if(set_session_config(sn, a)) { return -1; } char *namespace = cmd_getoption(a, "namespace"); char *property = a->argv[1]; DavResource *res = dav_resource_new(sn, path); if(dav_load(res)) { print_resource_error(sn, res->path); return -1; } char *value = namespace ? dav_get_property_ns(res, namespace, property) : dav_get_property(res, property); if(!value) { fprintf(stderr, "Error: no property value.\n"); return -1; } int ret = 0; if(value) { printf("%s\n", value); } else { // TODO: correct error message fprintf(stderr, "Error: property not found.\n"); ret = -1; } free(path); return ret; } int cmd_set_property(CmdArgs *a) { if(a->argc < 2) { fprintf(stderr, "Too few arguments\n"); return -1; } char *url = a->argv[0]; char *path = NULL; DavSession *sn = connect_to_repo(url2repo(url, &path)); if(set_session_config(sn, a)) { return -1; } DavResource *res = dav_resource_new(sn, path); if(!dav_exists(res)) { print_resource_error(sn, res->path); return -1; } char *namespace = cmd_getoption(a, "namespace"); char *property = a->argv[1]; char *value = a->argc > 2 ? a->argv[2] : stdin2str(); if(namespace) { dav_set_property_ns(res, namespace, property, value); } else { dav_set_property(res, property, value); } if(dav_store(res)) { print_resource_error(sn, res->path); fprintf(stderr, "Cannot set property.\n"); return -1; } free(path); return 0; } static int count_children(DavResource *res) { DavResource *child = res->children; int count = 0; while(child) { count++; child = child->next; } return count; } int cmd_info(CmdArgs *a) { if(a->argc < 1) { fprintf(stderr, "Too few arguments\n"); return -1; } char *url = a->argv[0]; char *path = NULL; DavSession *sn = connect_to_repo(url2repo(url, &path)); if(set_session_config(sn, a)) { return -1; } DavResource *res = dav_resource_new(sn, path); if(!dav_load(res)) { printf("name: %s\n", res->name); printf("path: %s\n", res->path); char *url = util_path_to_url(sn, res->path); printf("url: %s\n", url); free(url); if(res->iscollection) { printf("type: collection\n"); printf("size: %d\n", count_children(res)); } else { printf("type: resource\n"); char *len = ls_size_str(res); printf("size: %s\n", len); free(len); } size_t count = 0; DavPropName *properties = dav_get_property_names(res, &count); char *last_ns = NULL; for(int i=0;i<count;i++) { DavPropName p = properties[i]; if(!last_ns || strcmp(last_ns, p.ns)) { printf("\nnamespace: %s\n", p.ns); last_ns = p.ns; } sstr_t value = sstr(dav_get_property_ns(res, p.ns, p.name)); value = sstrtrim(value); printf(" %s: %.*s\n", p.name, (int)value.length, value.ptr); } dav_session_free(sn, properties); return 0; } else { print_resource_error(sn, res->path); return -1; } } char* stdin2str() { UcxBuffer *buf = ucx_buffer_new(NULL, 1024, UCX_BUFFER_AUTOEXTEND); size_t size = ucx_stream_hcopy(stdin, buf, fread, ucx_buffer_write); if(size == 0) { ucx_buffer_free(buf); return NULL; } else { ucx_buffer_putc(buf, '\0'); char *str = buf->space; free(buf); return str; } }