test/ctestfile.c@47a5fc33590a
test/ctestfile.c
Mon, 13 Nov 2017 13:52:00 +0100
- author
- Mike Becker <universe@uap-core.de>
- date
- Mon, 13 Nov 2017 13:52:00 +0100
- changeset 61
- 47a5fc33590a
- parent 33
- d7b475e4363c
- child 66
- 1b12cf799fee
- permissions
- -rw-r--r--
ucx is now used as external library
1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2015 Olaf Wintermann. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
29 #include <time.h>
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include <string.h>
33 #include <ucx/string.h>
34 #include <ucx/buffer.h>
35 #include <ucx/utils.h>
36 #include <libxml/tree.h>
37 #include <curl/curl.h>
39 #include <openssl/sha.h>
40 #include <openssl/hmac.h>
41 #include <openssl/evp.h>
42 #include <openssl/bio.h>
43 #include <openssl/buffer.h>
44 #include <openssl/rand.h>
46 #include "utils.h"
47 #include "crypto.h"
48 #include "webdav.h"
50 #define MACRO1337 1337L
52 /* -------------------- This is a testing file. -------------------------- */
53 /*
54 time_t util_parse_creationdate(char *str) {
55 // example: 2012-11-29T21:35:35Z
56 if(!str) {
57 return 0;
58 }
59 // TODO
60 return 0;
61 }
62 */
63 time_t util_parse_lastmodified(char *str) {
64 // example: Thu, 29 Nov 2012 21:35:35 GMT
65 if(!str) {
66 return 0;
67 } else {
68 return curl_getdate(str, NULL);
69 }
70 }
72 int util_getboolean(char *v) {
73 if(v[0] == 'T' || v[0] == 't') {
74 return 1;
75 }
76 return 0;
77 }
79 int util_strtoint(char *str, int64_t *value) {
80 char *end;
81 int64_t val = strtoll(str, &end, 0);
82 if(strlen(end) == 0) {
83 *value = val;
84 return 1;
85 } else {
86 return 0;
87 }
88 }
90 char* util_url_path(char *url) {
91 char *path = NULL;
92 size_t len = strlen(url);
93 int slashcount = 0;
94 int slmax;
95 if(len > 7 && !strncasecmp(url, "http://", 7)) {
96 slmax = 3;
97 } else if(len > 8 && !strncasecmp(url, "https://", 8)) {
98 slmax = 3;
99 } else {
100 slmax = 1;
101 }
102 char c;
103 for(int i=0;i<len;i++) {
104 c = url[i];
105 if(c == '/') {
106 slashcount++;
107 if(slashcount == slmax) {
108 path = url + i;
109 break;
110 }
111 }
112 }
113 return path;
114 }
116 char* util_url_decode(DavSession *sn, char *url) {
117 char *unesc = curl_easy_unescape(sn->handle, url, strlen(url), NULL);
118 char *ret = strdup(unesc);
119 curl_free(unesc);
120 return ret;
121 }
123 char* util_resource_name(char *url) {
124 int si = 0;
125 int osi = 0;
126 int i = 0;
127 int p = 0;
128 char c;
129 while((c = url[i]) != 0) {
130 if(c == '/') {
131 osi = si;
132 si = i;
133 p = 1;
134 }
135 i++;
136 }
138 char *name = url + si + p;
139 if(name[0] == 0) {
140 name = url + osi + p;
141 if(name[0] == 0) {
142 return url;
143 }
144 }
146 return name;
147 }
149 int util_mkdir(char *path, mode_t mode) {
150 #ifdef _WIN32
151 return mkdir(path);
152 #else
153 return mkdir(path, mode);
154 #endif
155 }
157 char* util_concat_path(char *url_base, char *p) {
158 sstr_t base = sstr(url_base);
159 sstr_t path;
160 if(p) {
161 path = sstr(p);
162 } else {
163 path = sstrn("", 0);
164 }
166 int add_separator = 0;
167 if(base.ptr[base.length-1] == '/') {
168 if(path.ptr[0] == '/') {
169 base.length--;
170 }
171 } else {
172 if(path.length == 0 || path.ptr[0] != '/') {
173 add_separator = 1;
174 }
175 }
177 sstr_t url;
178 if(add_separator) {
179 url = sstrcat(3, base, sstr("/"), path);
180 } else {
181 url = sstrcat(2, base, path);
182 }
184 return url.ptr;
185 }
187 void util_set_url(DavSession *sn, char *href) {
188 sstr_t base = sstr(sn->base_url);
189 sstr_t href_str = sstr(href);
191 char *base_path = util_url_path(sn->base_url);
192 base.length -= strlen(base_path);
194 sstr_t url = sstrcat(2, base, href_str);
196 curl_easy_setopt(sn->handle, CURLOPT_URL, url.ptr);
197 free(url.ptr);
198 }
200 char* util_path_to_url(DavSession *sn, char *path) {
201 char *space = malloc(256);
202 UcxBuffer *url = ucx_buffer_new(space, 256, UCX_BUFFER_AUTOEXTEND);
204 // add base url
205 ucx_buffer_write(sn->base_url, 1, strlen(sn->base_url), url);
206 // remove trailing slash
207 ucx_buffer_seek(url, -1, SEEK_CUR);
209 sstr_t p = sstr(path);
210 ssize_t ntk = 0;
211 sstr_t *tks = sstrsplit(p, S("/"), &ntk);
213 for(int i=0;i<ntk;i++) {
214 sstr_t node = tks[i];
215 if(node.length > 0) {
216 char *esc = curl_easy_escape(sn->handle, node.ptr, node.length);
217 ucx_buffer_putc(url, '/');
218 ucx_buffer_write(esc, 1, strlen(esc), url);
219 curl_free(esc);
220 }
221 free(node.ptr);
222 }
223 free(tks);
224 if(path[p.length-1] == '/') {
225 ucx_buffer_putc(url, '/');
226 }
227 ucx_buffer_putc(url, 0);
229 space = url->space;
230 ucx_buffer_free(url);
232 return space;
233 }
235 char* util_parent_path(char *path) {
236 char *name = util_resource_name(path);
237 size_t namelen = strlen(name);
238 size_t pathlen = strlen(path);
239 size_t parentlen = pathlen - namelen;
240 char *parent = malloc(parentlen + 1);
241 memcpy(parent, path, parentlen);
242 parent[parentlen] = '\0';
243 return parent;
244 }
247 char* util_xml_get_text(xmlNode *elm) {
248 xmlNode *node = elm->children;
249 while(node) {
250 if(node->type == XML_TEXT_NODE) {
251 return (char*)node->content;
252 }
253 node = node->next;
254 }
255 return NULL;
256 }
259 char* util_base64decode(char *in) {
260 int len = 0;
261 return util_base64decode_len(in, &len);
262 }
264 char* util_base64decode_len(char* in, int *outlen) {
265 size_t len = strlen(in);
266 char *out = calloc(1, len);
268 BIO* b = BIO_new_mem_buf(in, len);
269 BIO *d = BIO_new(BIO_f_base64());
270 BIO_set_flags(d, BIO_FLAGS_BASE64_NO_NL);
271 b = BIO_push(d, b);
273 *outlen = BIO_read(b, out, len);
274 BIO_free_all(b);
276 return out;
277 }
279 char* util_base64encode(char *in, size_t len) {
280 BIO *b;
281 BIO *e;
282 BUF_MEM *mem;
284 e = BIO_new(BIO_f_base64());
285 b = BIO_new(BIO_s_mem());
287 e = BIO_push(e, b);
288 BIO_write(e, in, len);
289 BIO_flush(e);
291 BIO_get_mem_ptr(e, &mem);
292 char *out = malloc(mem->length);
293 memcpy(out, mem->data, mem->length -1);
294 out[mem->length - 1] = '\0';
296 BIO_free_all(e);
298 return out;
299 }
301 char* util_encrypt_str(DavSession *sn, char *str, char *key) {
302 DavKey *k = dav_context_get_key(sn->context, key);
303 if(!k) {
304 // TODO: session error
305 return NULL;
306 }
308 char *enc_str = aes_encrypt(str, k);
309 char *ret_str = dav_session_strdup(sn, enc_str);
310 free(enc_str);
311 return ret_str;
312 }
314 /* commented out for testing reasons */
315 /*
316 char* util_decrypt_str(DavSession *sn, char *str, char *key) {
317 DavKey *k = dav_context_get_key(sn->context, key);
318 if(!k) {
319 // TODO: session error
320 return NULL;
321 }
323 char *dec_str = aes_decrypt(str, k);
324 char *ret_str = dav_session_strdup(sn, dec_str);
325 free(dec_str);
326 return ret_str;
327 }
328 */
329 char* util_random_str() {
330 unsigned char *str = malloc(25);
331 str[24] = '\0';
333 sstr_t t = S(
334 "01234567890"
335 "abcdefghijklmnopqrstuvwxyz"
336 "ABCDEFGHIJKLMNOPQRSTUVWXYZ");
337 const unsigned char *table = (const unsigned char*)t.ptr;
339 RAND_pseudo_bytes(str, 24);
340 for(int i=0;i<24;i++) {
341 int c = str[i] % t.length;
342 str[i] = table[c];
343 }
345 return (char*)str;
346 }
348 /*
349 * gets a substring from 0 to the appearance of the token
350 * tokens are separated by space
351 * sets sub to the substring and returns the remaining string
352 */
353 sstr_t util_getsubstr_until_token(sstr_t str, sstr_t token, sstr_t *sub) {
354 int i;
355 int token_start = -1;
356 int token_end = -1;
357 for(i=0;i<=str.length;i++) {
358 int c;
359 if(i == str.length) {
360 c = ' ';
361 } else {
362 c = str.ptr[i];
363 }
364 if(c < 33) {
365 if(token_start != -1) {
366 token_end = i;
367 size_t len = token_end - token_start;
368 sstr_t tk = sstrsubsl(str, token_start, len);
369 //printf("token: {%.*s}\n", token.length, token.ptr);
370 if(!sstrcmp(tk, token)) {
371 *sub = sstrtrim(sstrsubsl(str, 0, token_start));
372 break;
373 }
374 token_start = -1;
375 token_end = -1;
376 }
377 } else {
378 if(token_start == -1) {
379 token_start = i;
380 }
381 }
382 }
384 if(i < str.length) {
385 return sstrtrim(sstrsubs(str, i));
386 } else {
387 str.ptr = NULL;
388 str.length = 0;
389 return str;
390 }
391 }
