test/ctestfile.c@50ae611a785c
test/ctestfile.c
Wed, 10 Feb 2016 12:34:31 +0100
- author
- universe
- date
- Wed, 10 Feb 2016 12:34:31 +0100
- changeset 31
- 50ae611a785c
- parent 25
- f82aa7afe872
- child 33
- d7b475e4363c
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- -rw-r--r--
fixed corrupted multi line comments, when a blank line (containing only white spaces) is present in the comment
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"
51 /* -------------------- This is a testing file. -------------------------- */
52 /*
53 time_t util_parse_creationdate(char *str) {
54 // example: 2012-11-29T21:35:35Z
55 if(!str) {
56 return 0;
57 }
58 // TODO
59 return 0;
60 }
61 */
62 time_t util_parse_lastmodified(char *str) {
63 // example: Thu, 29 Nov 2012 21:35:35 GMT
64 if(!str) {
65 return 0;
66 } else {
67 return curl_getdate(str, NULL);
68 }
69 }
71 int util_getboolean(char *v) {
72 if(v[0] == 'T' || v[0] == 't') {
73 return 1;
74 }
75 return 0;
76 }
78 int util_strtoint(char *str, int64_t *value) {
79 char *end;
80 int64_t val = strtoll(str, &end, 0);
81 if(strlen(end) == 0) {
82 *value = val;
83 return 1;
84 } else {
85 return 0;
86 }
87 }
89 char* util_url_path(char *url) {
90 char *path = NULL;
91 size_t len = strlen(url);
92 int slashcount = 0;
93 int slmax;
94 if(len > 7 && !strncasecmp(url, "http://", 7)) {
95 slmax = 3;
96 } else if(len > 8 && !strncasecmp(url, "https://", 8)) {
97 slmax = 3;
98 } else {
99 slmax = 1;
100 }
101 char c;
102 for(int i=0;i<len;i++) {
103 c = url[i];
104 if(c == '/') {
105 slashcount++;
106 if(slashcount == slmax) {
107 path = url + i;
108 break;
109 }
110 }
111 }
112 return path;
113 }
115 char* util_url_decode(DavSession *sn, char *url) {
116 char *unesc = curl_easy_unescape(sn->handle, url, strlen(url), NULL);
117 char *ret = strdup(unesc);
118 curl_free(unesc);
119 return ret;
120 }
122 char* util_resource_name(char *url) {
123 int si = 0;
124 int osi = 0;
125 int i = 0;
126 int p = 0;
127 char c;
128 while((c = url[i]) != 0) {
129 if(c == '/') {
130 osi = si;
131 si = i;
132 p = 1;
133 }
134 i++;
135 }
137 char *name = url + si + p;
138 if(name[0] == 0) {
139 name = url + osi + p;
140 if(name[0] == 0) {
141 return url;
142 }
143 }
145 return name;
146 }
148 int util_mkdir(char *path, mode_t mode) {
149 #ifdef _WIN32
150 return mkdir(path);
151 #else
152 return mkdir(path, mode);
153 #endif
154 }
156 char* util_concat_path(char *url_base, char *p) {
157 sstr_t base = sstr(url_base);
158 sstr_t path;
159 if(p) {
160 path = sstr(p);
161 } else {
162 path = sstrn("", 0);
163 }
165 int add_separator = 0;
166 if(base.ptr[base.length-1] == '/') {
167 if(path.ptr[0] == '/') {
168 base.length--;
169 }
170 } else {
171 if(path.length == 0 || path.ptr[0] != '/') {
172 add_separator = 1;
173 }
174 }
176 sstr_t url;
177 if(add_separator) {
178 url = sstrcat(3, base, sstr("/"), path);
179 } else {
180 url = sstrcat(2, base, path);
181 }
183 return url.ptr;
184 }
186 void util_set_url(DavSession *sn, char *href) {
187 sstr_t base = sstr(sn->base_url);
188 sstr_t href_str = sstr(href);
190 char *base_path = util_url_path(sn->base_url);
191 base.length -= strlen(base_path);
193 sstr_t url = sstrcat(2, base, href_str);
195 curl_easy_setopt(sn->handle, CURLOPT_URL, url.ptr);
196 free(url.ptr);
197 }
199 char* util_path_to_url(DavSession *sn, char *path) {
200 char *space = malloc(256);
201 UcxBuffer *url = ucx_buffer_new(space, 256, UCX_BUFFER_AUTOEXTEND);
203 // add base url
204 ucx_buffer_write(sn->base_url, 1, strlen(sn->base_url), url);
205 // remove trailing slash
206 ucx_buffer_seek(url, -1, SEEK_CUR);
208 sstr_t p = sstr(path);
209 ssize_t ntk = 0;
210 sstr_t *tks = sstrsplit(p, S("/"), &ntk);
212 for(int i=0;i<ntk;i++) {
213 sstr_t node = tks[i];
214 if(node.length > 0) {
215 char *esc = curl_easy_escape(sn->handle, node.ptr, node.length);
216 ucx_buffer_putc(url, '/');
217 ucx_buffer_write(esc, 1, strlen(esc), url);
218 curl_free(esc);
219 }
220 free(node.ptr);
221 }
222 free(tks);
223 if(path[p.length-1] == '/') {
224 ucx_buffer_putc(url, '/');
225 }
226 ucx_buffer_putc(url, 0);
228 space = url->space;
229 ucx_buffer_free(url);
231 return space;
232 }
234 char* util_parent_path(char *path) {
235 char *name = util_resource_name(path);
236 size_t namelen = strlen(name);
237 size_t pathlen = strlen(path);
238 size_t parentlen = pathlen - namelen;
239 char *parent = malloc(parentlen + 1);
240 memcpy(parent, path, parentlen);
241 parent[parentlen] = '\0';
242 return parent;
243 }
246 char* util_xml_get_text(xmlNode *elm) {
247 xmlNode *node = elm->children;
248 while(node) {
249 if(node->type == XML_TEXT_NODE) {
250 return (char*)node->content;
251 }
252 node = node->next;
253 }
254 return NULL;
255 }
258 char* util_base64decode(char *in) {
259 int len = 0;
260 return util_base64decode_len(in, &len);
261 }
263 char* util_base64decode_len(char* in, int *outlen) {
264 size_t len = strlen(in);
265 char *out = calloc(1, len);
267 BIO* b = BIO_new_mem_buf(in, len);
268 BIO *d = BIO_new(BIO_f_base64());
269 BIO_set_flags(d, BIO_FLAGS_BASE64_NO_NL);
270 b = BIO_push(d, b);
272 *outlen = BIO_read(b, out, len);
273 BIO_free_all(b);
275 return out;
276 }
278 char* util_base64encode(char *in, size_t len) {
279 BIO *b;
280 BIO *e;
281 BUF_MEM *mem;
283 e = BIO_new(BIO_f_base64());
284 b = BIO_new(BIO_s_mem());
286 e = BIO_push(e, b);
287 BIO_write(e, in, len);
288 BIO_flush(e);
290 BIO_get_mem_ptr(e, &mem);
291 char *out = malloc(mem->length);
292 memcpy(out, mem->data, mem->length -1);
293 out[mem->length - 1] = '\0';
295 BIO_free_all(e);
297 return out;
298 }
300 char* util_encrypt_str(DavSession *sn, char *str, char *key) {
301 DavKey *k = dav_context_get_key(sn->context, key);
302 if(!k) {
303 // TODO: session error
304 return NULL;
305 }
307 char *enc_str = aes_encrypt(str, k);
308 char *ret_str = dav_session_strdup(sn, enc_str);
309 free(enc_str);
310 return ret_str;
311 }
313 /* commented out for testing reasons */
314 /*
315 char* util_decrypt_str(DavSession *sn, char *str, char *key) {
316 DavKey *k = dav_context_get_key(sn->context, key);
317 if(!k) {
318 // TODO: session error
319 return NULL;
320 }
322 char *dec_str = aes_decrypt(str, k);
323 char *ret_str = dav_session_strdup(sn, dec_str);
324 free(dec_str);
325 return ret_str;
326 }
327 */
328 char* util_random_str() {
329 unsigned char *str = malloc(25);
330 str[24] = '\0';
332 sstr_t t = S(
333 "01234567890"
334 "abcdefghijklmnopqrstuvwxyz"
335 "ABCDEFGHIJKLMNOPQRSTUVWXYZ");
336 const unsigned char *table = (const unsigned char*)t.ptr;
338 RAND_pseudo_bytes(str, 24);
339 for(int i=0;i<24;i++) {
340 int c = str[i] % t.length;
341 str[i] = table[c];
342 }
344 return (char*)str;
345 }
347 /*
348 * gets a substring from 0 to the appearance of the token
349 * tokens are separated by space
350 * sets sub to the substring and returns the remaining string
351 */
352 sstr_t util_getsubstr_until_token(sstr_t str, sstr_t token, sstr_t *sub) {
353 int i;
354 int token_start = -1;
355 int token_end = -1;
356 for(i=0;i<=str.length;i++) {
357 int c;
358 if(i == str.length) {
359 c = ' ';
360 } else {
361 c = str.ptr[i];
362 }
363 if(c < 33) {
364 if(token_start != -1) {
365 token_end = i;
366 size_t len = token_end - token_start;
367 sstr_t tk = sstrsubsl(str, token_start, len);
368 //printf("token: {%.*s}\n", token.length, token.ptr);
369 if(!sstrcmp(tk, token)) {
370 *sub = sstrtrim(sstrsubsl(str, 0, token_start));
371 break;
372 }
373 token_start = -1;
374 token_end = -1;
375 }
376 } else {
377 if(token_start == -1) {
378 token_start = i;
379 }
380 }
381 }
383 if(i < str.length) {
384 return sstrtrim(sstrsubs(str, i));
385 } else {
386 str.ptr = NULL;
387 str.length = 0;
388 return str;
389 }
390 }
