--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/ctest.c Mon Apr 24 21:01:41 2023 +0200
@@ -0,0 +1,391 @@
+/*
+ * 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 <time.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ucx/string.h>
+#include <ucx/buffer.h>
+#include <ucx/utils.h>
+#include <libxml/tree.h>
+#include <curl/curl.h>
+
+#include <openssl/sha.h>
+#include <openssl/hmac.h>
+#include <openssl/evp.h>
+#include <openssl/bio.h>
+#include <openssl/buffer.h>
+#include <openssl/rand.h>
+
+#include "utils.h"
+#include "crypto.h"
+#include "webdav.h"
+
+#define MACRO1337 1337L
+
+/* -------------------- This is a testing file. -------------------------- */
+/*
+time_t util_parse_creationdate(char *str) {
+ // example: 2012-11-29T21:35:35Z
+ if(!str) {
+ return 0;
+ }
+ // TODO
+ return 0;
+}
+*/
+time_t util_parse_lastmodified(char *str) {
+ // example: Thu, 29 Nov 2012 21:35:35 GMT
+ if(!str) {
+ return 0;
+ } else {
+ return curl_getdate(str, NULL);
+ }
+}
+
+int util_getboolean(char *v) {
+ if(v[0] == 'T' || v[0] == 't') {
+ return 1;
+ }
+ return 0;
+}
+
+int util_strtoint(char *str, int64_t *value) {
+ char *end;
+ int64_t val = strtoll(str, &end, 0);
+ if(strlen(end) == 0) {
+ *value = val;
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
+char* util_url_path(char *url) {
+ char *path = NULL;
+ size_t len = strlen(url);
+ int slashcount = 0;
+ int slmax;
+ if(len > 7 && !strncasecmp(url, "http://", 7)) {
+ slmax = 3;
+ } else if(len > 8 && !strncasecmp(url, "https://", 8)) {
+ slmax = 3;
+ } else {
+ slmax = 1;
+ }
+ char c;
+ for(int i=0;i<len;i++) {
+ c = url[i];
+ if(c == '/') {
+ slashcount++;
+ if(slashcount == slmax) {
+ path = url + i;
+ break;
+ }
+ }
+ }
+ return path;
+}
+
+char* util_url_decode(DavSession *sn, char *url) {
+ char *unesc = curl_easy_unescape(sn->handle, url, strlen(url), NULL);
+ char *ret = strdup(unesc);
+ curl_free(unesc);
+ return ret;
+}
+
+char* util_resource_name(char *url) {
+ int si = 0;
+ int osi = 0;
+ int i = 0;
+ int p = 0;
+ char c;
+ while((c = url[i]) != 0) {
+ if(c == '/') {
+ osi = si;
+ si = i;
+ p = 1;
+ }
+ i++;
+ }
+
+ char *name = url + si + p;
+ if(name[0] == 0) {
+ name = url + osi + p;
+ if(name[0] == 0) {
+ return url;
+ }
+ }
+
+ return name;
+}
+
+int util_mkdir(char *path, mode_t mode) {
+#ifdef _WIN32
+ return mkdir(path);
+#else
+ return mkdir(path, mode);
+#endif
+}
+
+char* util_concat_path(char *url_base, char *p) {
+ sstr_t base = sstr(url_base);
+ sstr_t path;
+ if(p) {
+ path = sstr(p);
+ } else {
+ path = sstrn("", 0);
+ }
+
+ int add_separator = 0;
+ if(base.ptr[base.length-1] == '/') {
+ if(path.ptr[0] == '/') {
+ base.length--;
+ }
+ } else {
+ if(path.length == 0 || path.ptr[0] != '/') {
+ add_separator = 1;
+ }
+ }
+
+ sstr_t url;
+ if(add_separator) {
+ url = sstrcat(3, base, sstr("/"), path);
+ } else {
+ url = sstrcat(2, base, path);
+ }
+
+ return url.ptr;
+}
+
+void util_set_url(DavSession *sn, char *href) {
+ sstr_t base = sstr(sn->base_url);
+ sstr_t href_str = sstr(href);
+
+ char *base_path = util_url_path(sn->base_url);
+ base.length -= strlen(base_path);
+
+ sstr_t url = sstrcat(2, base, href_str);
+
+ curl_easy_setopt(sn->handle, CURLOPT_URL, url.ptr);
+ free(url.ptr);
+}
+
+char* util_path_to_url(DavSession *sn, char *path) {
+ char *space = malloc(256);
+ UcxBuffer *url = ucx_buffer_new(space, 256, CX_BUFFER_AUTO_EXTEND);
+
+ // add base url
+ ucx_buffer_write(sn->base_url, 1, strlen(sn->base_url), url);
+ // remove trailing slash
+ ucx_buffer_seek(url, -1, SEEK_CUR);
+
+ sstr_t p = sstr(path);
+ ssize_t ntk = 0;
+ sstr_t *tks = sstrsplit(p, S("/"), &ntk);
+
+ for(int i=0;i<ntk;i++) {
+ sstr_t node = tks[i];
+ if(node.length > 0) {
+ char *esc = curl_easy_escape(sn->handle, node.ptr, node.length);
+ ucx_buffer_putc(url, '/');
+ ucx_buffer_write(esc, 1, strlen(esc), url);
+ curl_free(esc);
+ }
+ free(node.ptr);
+ }
+ free(tks);
+ if(path[p.length-1] == '/') {
+ ucx_buffer_putc(url, '/');
+ }
+ ucx_buffer_putc(url, 0);
+
+ space = url->space;
+ ucx_buffer_free(url);
+
+ return space;
+}
+
+char* util_parent_path(char *path) {
+ char *name = util_resource_name(path);
+ size_t namelen = strlen(name);
+ size_t pathlen = strlen(path);
+ size_t parentlen = pathlen - namelen;
+ char *parent = malloc(parentlen + 1);
+ memcpy(parent, path, parentlen);
+ parent[parentlen] = '\0';
+ return parent;
+}
+
+
+char* util_xml_get_text(xmlNode *elm) {
+ xmlNode *node = elm->children;
+ while(node) {
+ if(node->type == XML_TEXT_NODE) {
+ return (char*)node->content;
+ }
+ node = node->next;
+ }
+ return NULL;
+}
+
+
+char* util_base64decode(char *in) {
+ int len = 0;
+ return util_base64decode_len(in, &len);
+}
+
+char* util_base64decode_len(char* in, int *outlen) {
+ size_t len = strlen(in);
+ char *out = calloc(1, len);
+
+ BIO* b = BIO_new_mem_buf(in, len);
+ BIO *d = BIO_new(BIO_f_base64());
+ BIO_set_flags(d, BIO_FLAGS_BASE64_NO_NL);
+ b = BIO_push(d, b);
+
+ *outlen = BIO_read(b, out, len);
+ BIO_free_all(b);
+
+ return out;
+}
+
+char* util_base64encode(char *in, size_t len) {
+ BIO *b;
+ BIO *e;
+ BUF_MEM *mem;
+
+ e = BIO_new(BIO_f_base64());
+ b = BIO_new(BIO_s_mem());
+
+ e = BIO_push(e, b);
+ BIO_write(e, in, len);
+ BIO_flush(e);
+
+ BIO_get_mem_ptr(e, &mem);
+ char *out = malloc(mem->length);
+ memcpy(out, mem->data, mem->length -1);
+ out[mem->length - 1] = '\0';
+
+ BIO_free_all(e);
+
+ return out;
+}
+
+char* util_encrypt_str(DavSession *sn, char *str, char *key) {
+ DavKey *k = dav_context_get_key(sn->context, key);
+ if(!k) {
+ // TODO: session error
+ return NULL;
+ }
+
+ char *enc_str = aes_encrypt(str, k);
+ char *ret_str = dav_session_strdup(sn, enc_str);
+ free(enc_str);
+ return ret_str;
+}
+
+/* commented out for testing reasons */
+/*
+char* util_decrypt_str(DavSession *sn, char *str, char *key) {
+ DavKey *k = dav_context_get_key(sn->context, key);
+ if(!k) {
+ // TODO: session error
+ return NULL;
+ }
+
+ char *dec_str = aes_decrypt(str, k);
+ char *ret_str = dav_session_strdup(sn, dec_str);
+ free(dec_str);
+ return ret_str;
+}
+*/
+char* util_random_str() {
+ unsigned char *str = malloc(25);
+ str[24] = '\0';
+
+ sstr_t t = S(
+ "01234567890"
+ "abcdefghijklmnopqrstuvwxyz"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ");
+ const unsigned char *table = (const unsigned char*)t.ptr;
+
+ RAND_pseudo_bytes(str, 24);
+ for(int i=0;i<24;i++) {
+ int c = str[i] % t.length;
+ str[i] = table[c];
+ }
+
+ return (char*)str;
+}
+
+/*
+ * gets a substring from 0 to the appearance of the token
+ * tokens are separated by space
+ * sets sub to the substring and returns the remaining string
+ */
+sstr_t util_getsubstr_until_token(sstr_t str, sstr_t token, sstr_t *sub) {
+ int i;
+ int token_start = -1;
+ int token_end = -1;
+ for(i=0;i<=str.length;i++) {
+ int c;
+ if(i == str.length) {
+ c = ' ';
+ } else {
+ c = str.ptr[i];
+ }
+ if(c < 33) {
+ if(token_start != -1) {
+ token_end = i;
+ size_t len = token_end - token_start;
+ sstr_t tk = sstrsubsl(str, token_start, len);
+ //printf("token: {%.*s}\n", token.length, token.ptr);
+ if(!sstrcmp(tk, token)) {
+ *sub = sstrtrim(sstrsubsl(str, 0, token_start));
+ break;
+ }
+ token_start = -1;
+ token_end = -1;
+ }
+ } else {
+ if(token_start == -1) {
+ token_start = i;
+ }
+ }
+ }
+
+ if(i < str.length) {
+ return sstrtrim(sstrsubs(str, i));
+ } else {
+ str.ptr = NULL;
+ str.length = 0;
+ return str;
+ }
+}