xref: /freebsd/contrib/expat/tests/nsalloc_tests.c (revision 4543ef516683042d46f3bd3bb8a4f3f746e00499) 
1 /* Tests in the "namespace allocation" test case for the Expat test suite
2                             __  __            _
3                          ___\ \/ /_ __   __ _| |_
4                         / _ \\  /| '_ \ / _` | __|
5                        |  __//  \| |_) | (_| | |_
6                         \___/_/\_\ .__/ \__,_|\__|
7                                  |_| XML parser
8 
9    Copyright (c) 2001-2006 Fred L. Drake, Jr. <fdrake@users.sourceforge.net>
10    Copyright (c) 2003      Greg Stein <gstein@users.sourceforge.net>
11    Copyright (c) 2005-2007 Steven Solie <steven@solie.ca>
12    Copyright (c) 2005-2012 Karl Waclawek <karl@waclawek.net>
13    Copyright (c) 2016-2023 Sebastian Pipping <sebastian@pipping.org>
14    Copyright (c) 2017-2022 Rhodri James <rhodri@wildebeest.org.uk>
15    Copyright (c) 2017      Joe Orton <jorton@redhat.com>
16    Copyright (c) 2017      José Gutiérrez de la Concha <jose@zeroc.com>
17    Copyright (c) 2018      Marco Maggi <marco.maggi-ipsu@poste.it>
18    Copyright (c) 2019      David Loffredo <loffredo@steptools.com>
19    Copyright (c) 2020      Tim Gates <tim.gates@iress.com>
20    Copyright (c) 2021      Donghee Na <donghee.na@python.org>
21    Licensed under the MIT license:
22 
23    Permission is  hereby granted,  free of charge,  to any  person obtaining
24    a  copy  of  this  software   and  associated  documentation  files  (the
25    "Software"),  to  deal in  the  Software  without restriction,  including
26    without  limitation the  rights  to use,  copy,  modify, merge,  publish,
27    distribute, sublicense, and/or sell copies of the Software, and to permit
28    persons  to whom  the Software  is  furnished to  do so,  subject to  the
29    following conditions:
30 
31    The above copyright  notice and this permission notice  shall be included
32    in all copies or substantial portions of the Software.
33 
34    THE  SOFTWARE  IS  PROVIDED  "AS  IS",  WITHOUT  WARRANTY  OF  ANY  KIND,
35    EXPRESS  OR IMPLIED,  INCLUDING  BUT  NOT LIMITED  TO  THE WARRANTIES  OF
36    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
37    NO EVENT SHALL THE AUTHORS OR  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
38    DAMAGES OR  OTHER LIABILITY, WHETHER  IN AN  ACTION OF CONTRACT,  TORT OR
39    OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
40    USE OR OTHER DEALINGS IN THE SOFTWARE.
41 */
42 
43 #if defined(NDEBUG)
44 #  undef NDEBUG /* because test suite relies on assert(...) at the moment */
45 #endif
46 
47 #include <string.h>
48 #include <assert.h>
49 
50 #include "expat.h"
51 #include "common.h"
52 #include "minicheck.h"
53 #include "dummy.h"
54 #include "handlers.h"
55 #include "nsalloc_tests.h"
56 
57 static void
nsalloc_setup(void)58 nsalloc_setup(void) {
59   XML_Memory_Handling_Suite memsuite = {duff_allocator, duff_reallocator, free};
60   XML_Char ns_sep[2] = {' ', '\0'};
61 
62   /* Ensure the parser creation will go through */
63   g_allocation_count = ALLOC_ALWAYS_SUCCEED;
64   g_reallocation_count = REALLOC_ALWAYS_SUCCEED;
65   g_parser = XML_ParserCreate_MM(NULL, &memsuite, ns_sep);
66   if (g_parser == NULL)
67     fail("Parser not created");
68 }
69 
70 static void
nsalloc_teardown(void)71 nsalloc_teardown(void) {
72   basic_teardown();
73 }
74 
75 /* Test the effects of allocation failure in simple namespace parsing.
76  * Based on test_ns_default_with_empty_uri()
77  */
START_TEST(test_nsalloc_xmlns)78 START_TEST(test_nsalloc_xmlns) {
79   const char *text = "<doc xmlns='http://example.org/'>\n"
80                      "  <e xmlns=''/>\n"
81                      "</doc>";
82   unsigned int i;
83   const unsigned int max_alloc_count = 30;
84 
85   for (i = 0; i < max_alloc_count; i++) {
86     g_allocation_count = i;
87     /* Exercise more code paths with a default handler */
88     XML_SetDefaultHandler(g_parser, dummy_default_handler);
89     if (_XML_Parse_SINGLE_BYTES(g_parser, text, (int)strlen(text), XML_TRUE)
90         != XML_STATUS_ERROR)
91       break;
92     /* Resetting the parser is insufficient, because some memory
93      * allocations are cached within the parser.  Instead we use
94      * the teardown and setup routines to ensure that we have the
95      * right sort of parser back in our hands.
96      */
97     nsalloc_teardown();
98     nsalloc_setup();
99   }
100   if (i == 0)
101     fail("Parsing worked despite failing allocations");
102   else if (i == max_alloc_count)
103     fail("Parsing failed even at maximum allocation count");
104 }
105 END_TEST
106 
107 /* Test XML_ParseBuffer interface with namespace and a dicky allocator */
START_TEST(test_nsalloc_parse_buffer)108 START_TEST(test_nsalloc_parse_buffer) {
109   const char *text = "<doc>Hello</doc>";
110   void *buffer;
111 
112   /* Try a parse before the start of the world */
113   /* (Exercises new code path) */
114   if (XML_ParseBuffer(g_parser, 0, XML_FALSE) != XML_STATUS_ERROR)
115     fail("Pre-init XML_ParseBuffer not faulted");
116   if (XML_GetErrorCode(g_parser) != XML_ERROR_NO_BUFFER)
117     fail("Pre-init XML_ParseBuffer faulted for wrong reason");
118 
119   buffer = XML_GetBuffer(g_parser, 1 /* any small number greater than 0 */);
120   if (buffer == NULL)
121     fail("Could not acquire parse buffer");
122 
123   g_allocation_count = 0;
124   if (XML_ParseBuffer(g_parser, 0, XML_FALSE) != XML_STATUS_ERROR)
125     fail("Pre-init XML_ParseBuffer not faulted");
126   if (XML_GetErrorCode(g_parser) != XML_ERROR_NO_MEMORY)
127     fail("Pre-init XML_ParseBuffer faulted for wrong reason");
128 
129   /* Now with actual memory allocation */
130   g_allocation_count = ALLOC_ALWAYS_SUCCEED;
131   if (XML_ParseBuffer(g_parser, 0, XML_FALSE) != XML_STATUS_OK)
132     xml_failure(g_parser);
133 
134   /* Check that resuming an unsuspended parser is faulted */
135   if (XML_ResumeParser(g_parser) != XML_STATUS_ERROR)
136     fail("Resuming unsuspended parser not faulted");
137   if (XML_GetErrorCode(g_parser) != XML_ERROR_NOT_SUSPENDED)
138     xml_failure(g_parser);
139 
140   /* Get the parser into suspended state */
141   XML_SetCharacterDataHandler(g_parser, clearing_aborting_character_handler);
142   g_resumable = XML_TRUE;
143   buffer = XML_GetBuffer(g_parser, (int)strlen(text));
144   if (buffer == NULL)
145     fail("Could not acquire parse buffer");
146   assert(buffer != NULL);
147   memcpy(buffer, text, strlen(text));
148   if (XML_ParseBuffer(g_parser, (int)strlen(text), XML_TRUE)
149       != XML_STATUS_SUSPENDED)
150     xml_failure(g_parser);
151   if (XML_GetErrorCode(g_parser) != XML_ERROR_NONE)
152     xml_failure(g_parser);
153   if (XML_ParseBuffer(g_parser, (int)strlen(text), XML_TRUE)
154       != XML_STATUS_ERROR)
155     fail("Suspended XML_ParseBuffer not faulted");
156   if (XML_GetErrorCode(g_parser) != XML_ERROR_SUSPENDED)
157     xml_failure(g_parser);
158   if (XML_GetBuffer(g_parser, (int)strlen(text)) != NULL)
159     fail("Suspended XML_GetBuffer not faulted");
160 
161   /* Get it going again and complete the world */
162   XML_SetCharacterDataHandler(g_parser, NULL);
163   if (XML_ResumeParser(g_parser) != XML_STATUS_OK)
164     xml_failure(g_parser);
165   if (XML_ParseBuffer(g_parser, (int)strlen(text), XML_TRUE)
166       != XML_STATUS_ERROR)
167     fail("Post-finishing XML_ParseBuffer not faulted");
168   if (XML_GetErrorCode(g_parser) != XML_ERROR_FINISHED)
169     xml_failure(g_parser);
170   if (XML_GetBuffer(g_parser, (int)strlen(text)) != NULL)
171     fail("Post-finishing XML_GetBuffer not faulted");
172 }
173 END_TEST
174 
175 /* Check handling of long prefix names (pool growth) */
START_TEST(test_nsalloc_long_prefix)176 START_TEST(test_nsalloc_long_prefix) {
177   const char *text
178       = "<"
179         /* 64 characters per line */
180         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
181         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
182         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
183         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
184         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
185         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
186         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
187         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
188         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
189         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
190         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
191         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
192         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
193         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
194         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
195         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
196         ":foo xmlns:"
197         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
198         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
199         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
200         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
201         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
202         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
203         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
204         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
205         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
206         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
207         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
208         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
209         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
210         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
211         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
212         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
213         "='http://example.org/'>"
214         "</"
215         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
216         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
217         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
218         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
219         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
220         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
221         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
222         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
223         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
224         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
225         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
226         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
227         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
228         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
229         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
230         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
231         ":foo>";
232   int i;
233   const int max_alloc_count = 40;
234 
235   for (i = 0; i < max_alloc_count; i++) {
236     g_allocation_count = i;
237     if (_XML_Parse_SINGLE_BYTES(g_parser, text, (int)strlen(text), XML_TRUE)
238         != XML_STATUS_ERROR)
239       break;
240     /* See comment in test_nsalloc_xmlns() */
241     nsalloc_teardown();
242     nsalloc_setup();
243   }
244   if (i == 0)
245     fail("Parsing worked despite failing allocations");
246   else if (i == max_alloc_count)
247     fail("Parsing failed even at max allocation count");
248 }
249 END_TEST
250 
251 /* Check handling of long uri names (pool growth) */
START_TEST(test_nsalloc_long_uri)252 START_TEST(test_nsalloc_long_uri) {
253   const char *text
254       = "<foo:e xmlns:foo='http://example.org/"
255         /* 64 characters per line */
256         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
257         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
258         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
259         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
260         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
261         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
262         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
263         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
264         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
265         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
266         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
267         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
268         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
269         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
270         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
271         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
272         "' bar:a='12'\n"
273         "xmlns:bar='http://example.org/"
274         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
275         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
276         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
277         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
278         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
279         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
280         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
281         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
282         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
283         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
284         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
285         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
286         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
287         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
288         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
289         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789A/"
290         "'>"
291         "</foo:e>";
292   int i;
293   const int max_alloc_count = 40;
294 
295   for (i = 0; i < max_alloc_count; i++) {
296     g_allocation_count = i;
297     if (_XML_Parse_SINGLE_BYTES(g_parser, text, (int)strlen(text), XML_TRUE)
298         != XML_STATUS_ERROR)
299       break;
300     /* See comment in test_nsalloc_xmlns() */
301     nsalloc_teardown();
302     nsalloc_setup();
303   }
304   if (i == 0)
305     fail("Parsing worked despite failing allocations");
306   else if (i == max_alloc_count)
307     fail("Parsing failed even at max allocation count");
308 }
309 END_TEST
310 
311 /* Test handling of long attribute names with prefixes */
START_TEST(test_nsalloc_long_attr)312 START_TEST(test_nsalloc_long_attr) {
313   const char *text
314       = "<foo:e xmlns:foo='http://example.org/' bar:"
315         /* 64 characters per line */
316         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
317         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
318         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
319         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
320         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
321         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
322         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
323         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
324         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
325         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
326         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
327         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
328         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
329         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
330         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
331         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
332         "='12'\n"
333         "xmlns:bar='http://example.org/'>"
334         "</foo:e>";
335   int i;
336   const int max_alloc_count = 40;
337 
338   for (i = 0; i < max_alloc_count; i++) {
339     g_allocation_count = i;
340     if (_XML_Parse_SINGLE_BYTES(g_parser, text, (int)strlen(text), XML_TRUE)
341         != XML_STATUS_ERROR)
342       break;
343     /* See comment in test_nsalloc_xmlns() */
344     nsalloc_teardown();
345     nsalloc_setup();
346   }
347   if (i == 0)
348     fail("Parsing worked despite failing allocations");
349   else if (i == max_alloc_count)
350     fail("Parsing failed even at max allocation count");
351 }
352 END_TEST
353 
354 /* Test handling of an attribute name with a long namespace prefix */
START_TEST(test_nsalloc_long_attr_prefix)355 START_TEST(test_nsalloc_long_attr_prefix) {
356   const char *text
357       = "<foo:e xmlns:foo='http://example.org/' "
358         /* 64 characters per line */
359         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
360         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
361         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
362         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
363         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
364         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
365         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
366         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
367         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
368         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
369         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
370         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
371         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
372         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
373         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
374         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
375         ":a='12'\n"
376         "xmlns:"
377         /* 64 characters per line */
378         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
379         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
380         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
381         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
382         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
383         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
384         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
385         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
386         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
387         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
388         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
389         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
390         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
391         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
392         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
393         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
394         "='http://example.org/'>"
395         "</foo:e>";
396   const XML_Char *elemstr[] = {
397       /* clang-format off */
398         XCS("http://example.org/ e foo"),
399         XCS("http://example.org/ a ")
400         XCS("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ")
401         XCS("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ")
402         XCS("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ")
403         XCS("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ")
404         XCS("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ")
405         XCS("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ")
406         XCS("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ")
407         XCS("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ")
408         XCS("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ")
409         XCS("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ")
410         XCS("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ")
411         XCS("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ")
412         XCS("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ")
413         XCS("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ")
414         XCS("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ")
415         XCS("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ")
416       /* clang-format on */
417   };
418   int i;
419   const int max_alloc_count = 40;
420 
421   for (i = 0; i < max_alloc_count; i++) {
422     g_allocation_count = i;
423     XML_SetReturnNSTriplet(g_parser, XML_TRUE);
424     XML_SetUserData(g_parser, (void *)elemstr);
425     XML_SetElementHandler(g_parser, triplet_start_checker, triplet_end_checker);
426     if (_XML_Parse_SINGLE_BYTES(g_parser, text, (int)strlen(text), XML_TRUE)
427         != XML_STATUS_ERROR)
428       break;
429     /* See comment in test_nsalloc_xmlns() */
430     nsalloc_teardown();
431     nsalloc_setup();
432   }
433   if (i == 0)
434     fail("Parsing worked despite failing allocations");
435   else if (i == max_alloc_count)
436     fail("Parsing failed even at max allocation count");
437 }
438 END_TEST
439 
440 /* Test attribute handling in the face of a dodgy reallocator */
START_TEST(test_nsalloc_realloc_attributes)441 START_TEST(test_nsalloc_realloc_attributes) {
442   const char *text = "<foo:e xmlns:foo='http://example.org/' bar:a='12'\n"
443                      "       xmlns:bar='http://example.org/'>"
444                      "</foo:e>";
445   int i;
446   const int max_realloc_count = 10;
447 
448   for (i = 0; i < max_realloc_count; i++) {
449     g_reallocation_count = i;
450     if (_XML_Parse_SINGLE_BYTES(g_parser, text, (int)strlen(text), XML_TRUE)
451         != XML_STATUS_ERROR)
452       break;
453     /* See comment in test_nsalloc_xmlns() */
454     nsalloc_teardown();
455     nsalloc_setup();
456   }
457   if (i == 0)
458     fail("Parsing worked despite failing reallocations");
459   else if (i == max_realloc_count)
460     fail("Parsing failed at max reallocation count");
461 }
462 END_TEST
463 
464 /* Test long element names with namespaces under a failing allocator */
START_TEST(test_nsalloc_long_element)465 START_TEST(test_nsalloc_long_element) {
466   const char *text
467       = "<foo:thisisalongenoughelementnametotriggerareallocation\n"
468         " xmlns:foo='http://example.org/' bar:a='12'\n"
469         " xmlns:bar='http://example.org/'>"
470         "</foo:thisisalongenoughelementnametotriggerareallocation>";
471   const XML_Char *elemstr[]
472       = {XCS("http://example.org/")
473              XCS(" thisisalongenoughelementnametotriggerareallocation foo"),
474          XCS("http://example.org/ a bar")};
475   int i;
476   const int max_alloc_count = 30;
477 
478   for (i = 0; i < max_alloc_count; i++) {
479     g_allocation_count = i;
480     XML_SetReturnNSTriplet(g_parser, XML_TRUE);
481     XML_SetUserData(g_parser, (void *)elemstr);
482     XML_SetElementHandler(g_parser, triplet_start_checker, triplet_end_checker);
483     if (_XML_Parse_SINGLE_BYTES(g_parser, text, (int)strlen(text), XML_TRUE)
484         != XML_STATUS_ERROR)
485       break;
486     /* See comment in test_nsalloc_xmlns() */
487     nsalloc_teardown();
488     nsalloc_setup();
489   }
490   if (i == 0)
491     fail("Parsing worked despite failing reallocations");
492   else if (i == max_alloc_count)
493     fail("Parsing failed at max reallocation count");
494 }
495 END_TEST
496 
497 /* Test the effects of reallocation failure when reassigning a
498  * binding.
499  *
500  * XML_ParserReset does not free the BINDING structures used by a
501  * parser, but instead adds them to an internal free list to be reused
502  * as necessary.  Likewise the URI buffers allocated for the binding
503  * aren't freed, but kept attached to their existing binding.  If the
504  * new binding has a longer URI, it will need reallocation.  This test
505  * provokes that reallocation, and tests the control path if it fails.
506  */
START_TEST(test_nsalloc_realloc_binding_uri)507 START_TEST(test_nsalloc_realloc_binding_uri) {
508   const char *first = "<doc xmlns='http://example.org/'>\n"
509                       "  <e xmlns='' />\n"
510                       "</doc>";
511   const char *second
512       = "<doc xmlns='http://example.org/long/enough/URI/to/reallocate/'>\n"
513         "  <e xmlns='' />\n"
514         "</doc>";
515   unsigned i;
516   const unsigned max_realloc_count = 10;
517 
518   /* First, do a full parse that will leave bindings around */
519   if (_XML_Parse_SINGLE_BYTES(g_parser, first, (int)strlen(first), XML_TRUE)
520       == XML_STATUS_ERROR)
521     xml_failure(g_parser);
522 
523   /* Now repeat with a longer URI and a duff reallocator */
524   for (i = 0; i < max_realloc_count; i++) {
525     XML_ParserReset(g_parser, NULL);
526     g_reallocation_count = i;
527     if (_XML_Parse_SINGLE_BYTES(g_parser, second, (int)strlen(second), XML_TRUE)
528         != XML_STATUS_ERROR)
529       break;
530   }
531   if (i == 0)
532     fail("Parsing worked despite failing reallocation");
533   else if (i == max_realloc_count)
534     fail("Parsing failed at max reallocation count");
535 }
536 END_TEST
537 
538 /* Check handling of long prefix names (pool growth) */
START_TEST(test_nsalloc_realloc_long_prefix)539 START_TEST(test_nsalloc_realloc_long_prefix) {
540   const char *text
541       = "<"
542         /* 64 characters per line */
543         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
544         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
545         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
546         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
547         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
548         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
549         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
550         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
551         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
552         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
553         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
554         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
555         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
556         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
557         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
558         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
559         ":foo xmlns:"
560         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
561         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
562         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
563         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
564         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
565         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
566         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
567         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
568         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
569         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
570         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
571         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
572         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
573         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
574         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
575         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
576         "='http://example.org/'>"
577         "</"
578         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
579         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
580         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
581         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
582         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
583         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
584         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
585         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
586         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
587         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
588         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
589         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
590         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
591         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
592         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
593         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
594         ":foo>";
595   int i;
596   const int max_realloc_count = 12;
597 
598   for (i = 0; i < max_realloc_count; i++) {
599     g_reallocation_count = i;
600     if (_XML_Parse_SINGLE_BYTES(g_parser, text, (int)strlen(text), XML_TRUE)
601         != XML_STATUS_ERROR)
602       break;
603     /* See comment in test_nsalloc_xmlns() */
604     nsalloc_teardown();
605     nsalloc_setup();
606   }
607   if (i == 0)
608     fail("Parsing worked despite failing reallocations");
609   else if (i == max_realloc_count)
610     fail("Parsing failed even at max reallocation count");
611 }
612 END_TEST
613 
614 /* Check handling of even long prefix names (different code path) */
START_TEST(test_nsalloc_realloc_longer_prefix)615 START_TEST(test_nsalloc_realloc_longer_prefix) {
616   const char *text
617       = "<"
618         /* 64 characters per line */
619         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
620         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
621         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
622         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
623         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
624         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
625         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
626         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
627         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
628         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
629         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
630         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
631         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
632         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
633         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
634         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
635         "Q:foo xmlns:"
636         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
637         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
638         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
639         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
640         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
641         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
642         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
643         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
644         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
645         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
646         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
647         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
648         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
649         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
650         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
651         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
652         "Q='http://example.org/'>"
653         "</"
654         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
655         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
656         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
657         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
658         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
659         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
660         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
661         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
662         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
663         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
664         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
665         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
666         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
667         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
668         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
669         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
670         "Q:foo>";
671   int i;
672   const int max_realloc_count = 12;
673 
674   for (i = 0; i < max_realloc_count; i++) {
675     g_reallocation_count = i;
676     if (_XML_Parse_SINGLE_BYTES(g_parser, text, (int)strlen(text), XML_TRUE)
677         != XML_STATUS_ERROR)
678       break;
679     /* See comment in test_nsalloc_xmlns() */
680     nsalloc_teardown();
681     nsalloc_setup();
682   }
683   if (i == 0)
684     fail("Parsing worked despite failing reallocations");
685   else if (i == max_realloc_count)
686     fail("Parsing failed even at max reallocation count");
687 }
688 END_TEST
689 
START_TEST(test_nsalloc_long_namespace)690 START_TEST(test_nsalloc_long_namespace) {
691   const char *text1
692       = "<"
693         /* 64 characters per line */
694         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
695         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
696         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
697         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
698         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
699         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
700         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
701         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
702         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
703         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
704         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
705         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
706         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
707         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
708         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
709         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
710         ":e xmlns:"
711         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
712         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
713         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
714         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
715         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
716         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
717         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
718         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
719         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
720         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
721         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
722         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
723         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
724         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
725         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
726         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
727         "='http://example.org/'>\n";
728   const char *text2
729       = "<"
730         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
731         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
732         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
733         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
734         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
735         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
736         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
737         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
738         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
739         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
740         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
741         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
742         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
743         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
744         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
745         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
746         ":f "
747         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
748         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
749         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
750         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
751         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
752         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
753         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
754         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
755         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
756         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
757         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
758         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
759         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
760         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
761         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
762         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
763         ":attr='foo'/>\n"
764         "</"
765         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
766         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
767         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
768         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
769         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
770         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
771         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
772         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
773         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
774         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
775         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
776         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
777         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
778         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
779         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
780         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
781         ":e>";
782   int i;
783   const int max_alloc_count = 40;
784 
785   for (i = 0; i < max_alloc_count; i++) {
786     g_allocation_count = i;
787     if (_XML_Parse_SINGLE_BYTES(g_parser, text1, (int)strlen(text1), XML_FALSE)
788             != XML_STATUS_ERROR
789         && _XML_Parse_SINGLE_BYTES(g_parser, text2, (int)strlen(text2),
790                                    XML_TRUE)
791                != XML_STATUS_ERROR)
792       break;
793     /* See comment in test_nsalloc_xmlns() */
794     nsalloc_teardown();
795     nsalloc_setup();
796   }
797   if (i == 0)
798     fail("Parsing worked despite failing allocations");
799   else if (i == max_alloc_count)
800     fail("Parsing failed even at max allocation count");
801 }
802 END_TEST
803 
804 /* Using a slightly shorter namespace name provokes allocations in
805  * slightly different places in the code.
806  */
START_TEST(test_nsalloc_less_long_namespace)807 START_TEST(test_nsalloc_less_long_namespace) {
808   const char *text
809       = "<"
810         /* 64 characters per line */
811         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
812         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
813         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
814         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
815         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
816         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
817         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
818         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz012345678"
819         ":e xmlns:"
820         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
821         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
822         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
823         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
824         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
825         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
826         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
827         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz012345678"
828         "='http://example.org/'>\n"
829         "<"
830         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
831         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
832         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
833         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
834         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
835         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
836         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
837         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz012345678"
838         ":f "
839         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
840         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
841         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
842         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
843         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
844         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
845         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
846         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz012345678"
847         ":att='foo'/>\n"
848         "</"
849         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
850         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
851         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
852         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
853         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
854         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
855         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789AZ"
856         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz012345678"
857         ":e>";
858   int i;
859   const int max_alloc_count = 40;
860 
861   for (i = 0; i < max_alloc_count; i++) {
862     g_allocation_count = i;
863     if (_XML_Parse_SINGLE_BYTES(g_parser, text, (int)strlen(text), XML_TRUE)
864         != XML_STATUS_ERROR)
865       break;
866     /* See comment in test_nsalloc_xmlns() */
867     nsalloc_teardown();
868     nsalloc_setup();
869   }
870   if (i == 0)
871     fail("Parsing worked despite failing allocations");
872   else if (i == max_alloc_count)
873     fail("Parsing failed even at max allocation count");
874 }
875 END_TEST
876 
START_TEST(test_nsalloc_long_context)877 START_TEST(test_nsalloc_long_context) {
878   const char *text
879       = "<!DOCTYPE doc SYSTEM 'foo' [\n"
880         "  <!ATTLIST doc baz ID #REQUIRED>\n"
881         "  <!ENTITY en SYSTEM 'bar'>\n"
882         "]>\n"
883         "<doc xmlns='http://example.org/"
884         /* 64 characters per line */
885         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
886         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
887         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
888         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
889         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
890         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
891         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
892         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
893         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
894         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
895         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
896         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
897         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
898         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
899         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
900         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKL"
901         "' baz='2'>\n"
902         "&en;"
903         "</doc>";
904   ExtOption options[] = {
905       {XCS("foo"), "<!ELEMENT e EMPTY>"}, {XCS("bar"), "<e/>"}, {NULL, NULL}};
906   int i;
907   const int max_alloc_count = 70;
908 
909   for (i = 0; i < max_alloc_count; i++) {
910     g_allocation_count = i;
911     XML_SetUserData(g_parser, options);
912     XML_SetParamEntityParsing(g_parser, XML_PARAM_ENTITY_PARSING_ALWAYS);
913     XML_SetExternalEntityRefHandler(g_parser, external_entity_optioner);
914     if (_XML_Parse_SINGLE_BYTES(g_parser, text, (int)strlen(text), XML_TRUE)
915         != XML_STATUS_ERROR)
916       break;
917 
918     /* See comment in test_nsalloc_xmlns() */
919     nsalloc_teardown();
920     nsalloc_setup();
921   }
922   if (i == 0)
923     fail("Parsing worked despite failing allocations");
924   else if (i == max_alloc_count)
925     fail("Parsing failed even at max allocation count");
926 }
927 END_TEST
928 
929 /* This function is void; it will throw a fail() on error, so if it
930  * returns normally it must have succeeded.
931  */
932 static void
context_realloc_test(const char * text)933 context_realloc_test(const char *text) {
934   ExtOption options[] = {
935       {XCS("foo"), "<!ELEMENT e EMPTY>"}, {XCS("bar"), "<e/>"}, {NULL, NULL}};
936   int i;
937   const int max_realloc_count = 6;
938 
939   for (i = 0; i < max_realloc_count; i++) {
940     g_reallocation_count = i;
941     XML_SetUserData(g_parser, options);
942     XML_SetParamEntityParsing(g_parser, XML_PARAM_ENTITY_PARSING_ALWAYS);
943     XML_SetExternalEntityRefHandler(g_parser, external_entity_optioner);
944     if (_XML_Parse_SINGLE_BYTES(g_parser, text, (int)strlen(text), XML_TRUE)
945         != XML_STATUS_ERROR)
946       break;
947     /* See comment in test_nsalloc_xmlns() */
948     nsalloc_teardown();
949     nsalloc_setup();
950   }
951   if (i == 0)
952     fail("Parsing worked despite failing reallocations");
953   else if (i == max_realloc_count)
954     fail("Parsing failed even at max reallocation count");
955 }
956 
START_TEST(test_nsalloc_realloc_long_context)957 START_TEST(test_nsalloc_realloc_long_context) {
958   const char *text
959       = "<!DOCTYPE doc SYSTEM 'foo' [\n"
960         "  <!ENTITY en SYSTEM 'bar'>\n"
961         "]>\n"
962         "<doc xmlns='http://example.org/"
963         /* 64 characters per line */
964         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
965         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
966         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
967         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
968         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
969         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
970         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
971         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
972         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
973         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
974         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
975         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
976         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
977         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
978         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
979         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKL"
980         "'>\n"
981         "&en;"
982         "</doc>";
983 
984   context_realloc_test(text);
985 }
986 END_TEST
987 
START_TEST(test_nsalloc_realloc_long_context_2)988 START_TEST(test_nsalloc_realloc_long_context_2) {
989   const char *text
990       = "<!DOCTYPE doc SYSTEM 'foo' [\n"
991         "  <!ENTITY en SYSTEM 'bar'>\n"
992         "]>\n"
993         "<doc xmlns='http://example.org/"
994         /* 64 characters per line */
995         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
996         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
997         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
998         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
999         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1000         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1001         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1002         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1003         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1004         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1005         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1006         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1007         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1008         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1009         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1010         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJK"
1011         "'>\n"
1012         "&en;"
1013         "</doc>";
1014 
1015   context_realloc_test(text);
1016 }
1017 END_TEST
1018 
START_TEST(test_nsalloc_realloc_long_context_3)1019 START_TEST(test_nsalloc_realloc_long_context_3) {
1020   const char *text
1021       = "<!DOCTYPE doc SYSTEM 'foo' [\n"
1022         "  <!ENTITY en SYSTEM 'bar'>\n"
1023         "]>\n"
1024         "<doc xmlns='http://example.org/"
1025         /* 64 characters per line */
1026         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1027         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1028         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1029         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1030         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1031         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1032         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1033         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1034         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1035         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1036         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1037         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1038         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1039         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1040         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1041         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGH"
1042         "'>\n"
1043         "&en;"
1044         "</doc>";
1045 
1046   context_realloc_test(text);
1047 }
1048 END_TEST
1049 
START_TEST(test_nsalloc_realloc_long_context_4)1050 START_TEST(test_nsalloc_realloc_long_context_4) {
1051   const char *text
1052       = "<!DOCTYPE doc SYSTEM 'foo' [\n"
1053         "  <!ENTITY en SYSTEM 'bar'>\n"
1054         "]>\n"
1055         "<doc xmlns='http://example.org/"
1056         /* 64 characters per line */
1057         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1058         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1059         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1060         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1061         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1062         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1063         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1064         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1065         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1066         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1067         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1068         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1069         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1070         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1071         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1072         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO"
1073         "'>\n"
1074         "&en;"
1075         "</doc>";
1076 
1077   context_realloc_test(text);
1078 }
1079 END_TEST
1080 
START_TEST(test_nsalloc_realloc_long_context_5)1081 START_TEST(test_nsalloc_realloc_long_context_5) {
1082   const char *text
1083       = "<!DOCTYPE doc SYSTEM 'foo' [\n"
1084         "  <!ENTITY en SYSTEM 'bar'>\n"
1085         "]>\n"
1086         "<doc xmlns='http://example.org/"
1087         /* 64 characters per line */
1088         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1089         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1090         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1091         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1092         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1093         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1094         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1095         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1096         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1097         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1098         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1099         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1100         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1101         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1102         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1103         "ABC"
1104         "'>\n"
1105         "&en;"
1106         "</doc>";
1107 
1108   context_realloc_test(text);
1109 }
1110 END_TEST
1111 
START_TEST(test_nsalloc_realloc_long_context_6)1112 START_TEST(test_nsalloc_realloc_long_context_6) {
1113   const char *text
1114       = "<!DOCTYPE doc SYSTEM 'foo' [\n"
1115         "  <!ENTITY en SYSTEM 'bar'>\n"
1116         "]>\n"
1117         "<doc xmlns='http://example.org/"
1118         /* 64 characters per line */
1119         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1120         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1121         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1122         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1123         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1124         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1125         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1126         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1127         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1128         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1129         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1130         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1131         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1132         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1133         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNOP"
1134         "'>\n"
1135         "&en;"
1136         "</doc>";
1137 
1138   context_realloc_test(text);
1139 }
1140 END_TEST
1141 
START_TEST(test_nsalloc_realloc_long_context_7)1142 START_TEST(test_nsalloc_realloc_long_context_7) {
1143   const char *text
1144       = "<!DOCTYPE doc SYSTEM 'foo' [\n"
1145         "  <!ENTITY en SYSTEM 'bar'>\n"
1146         "]>\n"
1147         "<doc xmlns='http://example.org/"
1148         /* 64 characters per line */
1149         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1150         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1151         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1152         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1153         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1154         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1155         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1156         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1157         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1158         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1159         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1160         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1161         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1162         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1163         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1164         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLM"
1165         "'>\n"
1166         "&en;"
1167         "</doc>";
1168 
1169   context_realloc_test(text);
1170 }
1171 END_TEST
1172 
START_TEST(test_nsalloc_realloc_long_ge_name)1173 START_TEST(test_nsalloc_realloc_long_ge_name) {
1174   const char *text
1175       = "<!DOCTYPE doc SYSTEM 'foo' [\n"
1176         "  <!ENTITY "
1177         /* 64 characters per line */
1178         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1179         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1180         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1181         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1182         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1183         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1184         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1185         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1186         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1187         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1188         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1189         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1190         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1191         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1192         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1193         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1194         " SYSTEM 'bar'>\n"
1195         "]>\n"
1196         "<doc xmlns='http://example.org/baz'>\n"
1197         "&"
1198         /* 64 characters per line */
1199         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1200         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1201         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1202         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1203         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1204         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1205         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1206         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1207         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1208         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1209         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1210         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1211         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1212         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1213         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1214         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1215         ";"
1216         "</doc>";
1217   ExtOption options[] = {
1218       {XCS("foo"), "<!ELEMENT el EMPTY>"}, {XCS("bar"), "<el/>"}, {NULL, NULL}};
1219   int i;
1220   const int max_realloc_count = 10;
1221 
1222   for (i = 0; i < max_realloc_count; i++) {
1223     g_reallocation_count = i;
1224     XML_SetUserData(g_parser, options);
1225     XML_SetParamEntityParsing(g_parser, XML_PARAM_ENTITY_PARSING_ALWAYS);
1226     XML_SetExternalEntityRefHandler(g_parser, external_entity_optioner);
1227     if (_XML_Parse_SINGLE_BYTES(g_parser, text, (int)strlen(text), XML_TRUE)
1228         != XML_STATUS_ERROR)
1229       break;
1230     /* See comment in test_nsalloc_xmlns() */
1231     nsalloc_teardown();
1232     nsalloc_setup();
1233   }
1234   if (i == 0)
1235     fail("Parsing worked despite failing reallocations");
1236   else if (i == max_realloc_count)
1237     fail("Parsing failed even at max reallocation count");
1238 }
1239 END_TEST
1240 
1241 /* Test that when a namespace is passed through the context mechanism
1242  * to an external entity parser, the parsers handle reallocation
1243  * failures correctly.  The prefix is exactly the right length to
1244  * provoke particular uncommon code paths.
1245  */
START_TEST(test_nsalloc_realloc_long_context_in_dtd)1246 START_TEST(test_nsalloc_realloc_long_context_in_dtd) {
1247   const char *text1
1248       = "<!DOCTYPE "
1249         /* 64 characters per line */
1250         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1251         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1252         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1253         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1254         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1255         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1256         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1257         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1258         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1259         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1260         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1261         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1262         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1263         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1264         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1265         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1266         ":doc [\n"
1267         "  <!ENTITY First SYSTEM 'foo/First'>\n"
1268         "]>\n"
1269         "<"
1270         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1271         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1272         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1273         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1274         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1275         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1276         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1277         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1278         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1279         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1280         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1281         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1282         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1283         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1284         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1285         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1286         ":doc xmlns:"
1287         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1288         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1289         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1290         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1291         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1292         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1293         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1294         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1295         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1296         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1297         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1298         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1299         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1300         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1301         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1302         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1303         "='foo/Second'>&First;";
1304   const char *text2
1305       = "</"
1306         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1307         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1308         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1309         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1310         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1311         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1312         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1313         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1314         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1315         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1316         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1317         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1318         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1319         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1320         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1321         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1322         ":doc>";
1323   ExtOption options[] = {{XCS("foo/First"), "Hello world"}, {NULL, NULL}};
1324   int i;
1325   const int max_realloc_count = 20;
1326 
1327   for (i = 0; i < max_realloc_count; i++) {
1328     g_reallocation_count = i;
1329     XML_SetUserData(g_parser, options);
1330     XML_SetParamEntityParsing(g_parser, XML_PARAM_ENTITY_PARSING_ALWAYS);
1331     XML_SetExternalEntityRefHandler(g_parser, external_entity_optioner);
1332     if (_XML_Parse_SINGLE_BYTES(g_parser, text1, (int)strlen(text1), XML_FALSE)
1333             != XML_STATUS_ERROR
1334         && _XML_Parse_SINGLE_BYTES(g_parser, text2, (int)strlen(text2),
1335                                    XML_TRUE)
1336                != XML_STATUS_ERROR)
1337       break;
1338     /* See comment in test_nsalloc_xmlns() */
1339     nsalloc_teardown();
1340     nsalloc_setup();
1341   }
1342   if (i == 0)
1343     fail("Parsing worked despite failing reallocations");
1344   else if (i == max_realloc_count)
1345     fail("Parsing failed even at max reallocation count");
1346 }
1347 END_TEST
1348 
START_TEST(test_nsalloc_long_default_in_ext)1349 START_TEST(test_nsalloc_long_default_in_ext) {
1350   const char *text
1351       = "<!DOCTYPE doc [\n"
1352         "  <!ATTLIST e a1 CDATA '"
1353         /* 64 characters per line */
1354         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1355         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1356         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1357         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1358         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1359         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1360         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1361         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1362         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1363         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1364         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1365         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1366         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1367         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1368         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1369         "ABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOPABCDEFGHIJKLMNOP"
1370         "'>\n"
1371         "  <!ENTITY x SYSTEM 'foo'>\n"
1372         "]>\n"
1373         "<doc>&x;</doc>";
1374   ExtOption options[] = {{XCS("foo"), "<e/>"}, {NULL, NULL}};
1375   int i;
1376   const int max_alloc_count = 50;
1377 
1378   for (i = 0; i < max_alloc_count; i++) {
1379     g_allocation_count = i;
1380     XML_SetUserData(g_parser, options);
1381     XML_SetParamEntityParsing(g_parser, XML_PARAM_ENTITY_PARSING_ALWAYS);
1382     XML_SetExternalEntityRefHandler(g_parser, external_entity_optioner);
1383     if (_XML_Parse_SINGLE_BYTES(g_parser, text, (int)strlen(text), XML_TRUE)
1384         != XML_STATUS_ERROR)
1385       break;
1386 
1387     /* See comment in test_nsalloc_xmlns() */
1388     nsalloc_teardown();
1389     nsalloc_setup();
1390   }
1391   if (i == 0)
1392     fail("Parsing worked despite failing allocations");
1393   else if (i == max_alloc_count)
1394     fail("Parsing failed even at max allocation count");
1395 }
1396 END_TEST
1397 
START_TEST(test_nsalloc_long_systemid_in_ext)1398 START_TEST(test_nsalloc_long_systemid_in_ext) {
1399   const char *text
1400       = "<!DOCTYPE doc SYSTEM 'foo' [\n"
1401         "  <!ENTITY en SYSTEM '"
1402         /* 64 characters per line */
1403         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1404         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1405         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1406         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1407         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1408         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1409         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1410         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1411         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1412         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1413         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1414         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1415         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1416         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1417         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1418         "ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"
1419         "'>\n"
1420         "]>\n"
1421         "<doc>&en;</doc>";
1422   ExtOption options[] = {
1423       {XCS("foo"), "<!ELEMENT e EMPTY>"},
1424       {/* clang-format off */
1425             XCS("ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/")
1426             XCS("ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/")
1427             XCS("ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/")
1428             XCS("ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/")
1429             XCS("ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/")
1430             XCS("ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/")
1431             XCS("ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/")
1432             XCS("ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/")
1433             XCS("ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/")
1434             XCS("ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/")
1435             XCS("ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/")
1436             XCS("ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/")
1437             XCS("ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/")
1438             XCS("ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/")
1439             XCS("ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/")
1440             XCS("ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/ABCDEFGHIJKLMNO/"),
1441        /* clang-format on */
1442        "<e/>"},
1443       {NULL, NULL}};
1444   int i;
1445   const int max_alloc_count = 55;
1446 
1447   for (i = 0; i < max_alloc_count; i++) {
1448     g_allocation_count = i;
1449     XML_SetUserData(g_parser, options);
1450     XML_SetParamEntityParsing(g_parser, XML_PARAM_ENTITY_PARSING_ALWAYS);
1451     XML_SetExternalEntityRefHandler(g_parser, external_entity_optioner);
1452     if (_XML_Parse_SINGLE_BYTES(g_parser, text, (int)strlen(text), XML_TRUE)
1453         != XML_STATUS_ERROR)
1454       break;
1455 
1456     /* See comment in test_nsalloc_xmlns() */
1457     nsalloc_teardown();
1458     nsalloc_setup();
1459   }
1460   if (i == 0)
1461     fail("Parsing worked despite failing allocations");
1462   else if (i == max_alloc_count)
1463     fail("Parsing failed even at max allocation count");
1464 }
1465 END_TEST
1466 
1467 /* Test the effects of allocation failure on parsing an element in a
1468  * namespace.  Based on test_nsalloc_long_context.
1469  */
START_TEST(test_nsalloc_prefixed_element)1470 START_TEST(test_nsalloc_prefixed_element) {
1471   const char *text = "<!DOCTYPE pfx:element SYSTEM 'foo' [\n"
1472                      "  <!ATTLIST pfx:element baz ID #REQUIRED>\n"
1473                      "  <!ENTITY en SYSTEM 'bar'>\n"
1474                      "]>\n"
1475                      "<pfx:element xmlns:pfx='http://example.org/' baz='2'>\n"
1476                      "&en;"
1477                      "</pfx:element>";
1478   ExtOption options[] = {
1479       {XCS("foo"), "<!ELEMENT e EMPTY>"}, {XCS("bar"), "<e/>"}, {NULL, NULL}};
1480   int i;
1481   const int max_alloc_count = 70;
1482 
1483   for (i = 0; i < max_alloc_count; i++) {
1484     g_allocation_count = i;
1485     XML_SetUserData(g_parser, options);
1486     XML_SetParamEntityParsing(g_parser, XML_PARAM_ENTITY_PARSING_ALWAYS);
1487     XML_SetExternalEntityRefHandler(g_parser, external_entity_optioner);
1488     if (_XML_Parse_SINGLE_BYTES(g_parser, text, (int)strlen(text), XML_TRUE)
1489         != XML_STATUS_ERROR)
1490       break;
1491 
1492     /* See comment in test_nsalloc_xmlns() */
1493     nsalloc_teardown();
1494     nsalloc_setup();
1495   }
1496   if (i == 0)
1497     fail("Success despite failing allocator");
1498   else if (i == max_alloc_count)
1499     fail("Failed even at full allocation count");
1500 }
1501 END_TEST
1502 
1503 void
make_nsalloc_test_case(Suite * s)1504 make_nsalloc_test_case(Suite *s) {
1505   TCase *tc_nsalloc = tcase_create("namespace allocation tests");
1506 
1507   suite_add_tcase(s, tc_nsalloc);
1508   tcase_add_checked_fixture(tc_nsalloc, nsalloc_setup, nsalloc_teardown);
1509 
1510   tcase_add_test(tc_nsalloc, test_nsalloc_xmlns);
1511   tcase_add_test(tc_nsalloc, test_nsalloc_parse_buffer);
1512   tcase_add_test(tc_nsalloc, test_nsalloc_long_prefix);
1513   tcase_add_test(tc_nsalloc, test_nsalloc_long_uri);
1514   tcase_add_test(tc_nsalloc, test_nsalloc_long_attr);
1515   tcase_add_test(tc_nsalloc, test_nsalloc_long_attr_prefix);
1516   tcase_add_test(tc_nsalloc, test_nsalloc_realloc_attributes);
1517   tcase_add_test(tc_nsalloc, test_nsalloc_long_element);
1518   tcase_add_test(tc_nsalloc, test_nsalloc_realloc_binding_uri);
1519   tcase_add_test(tc_nsalloc, test_nsalloc_realloc_long_prefix);
1520   tcase_add_test(tc_nsalloc, test_nsalloc_realloc_longer_prefix);
1521   tcase_add_test(tc_nsalloc, test_nsalloc_long_namespace);
1522   tcase_add_test(tc_nsalloc, test_nsalloc_less_long_namespace);
1523   tcase_add_test(tc_nsalloc, test_nsalloc_long_context);
1524   tcase_add_test__if_xml_ge(tc_nsalloc, test_nsalloc_realloc_long_context);
1525   tcase_add_test__if_xml_ge(tc_nsalloc, test_nsalloc_realloc_long_context_2);
1526   tcase_add_test__if_xml_ge(tc_nsalloc, test_nsalloc_realloc_long_context_3);
1527   tcase_add_test__if_xml_ge(tc_nsalloc, test_nsalloc_realloc_long_context_4);
1528   tcase_add_test__if_xml_ge(tc_nsalloc, test_nsalloc_realloc_long_context_5);
1529   tcase_add_test__if_xml_ge(tc_nsalloc, test_nsalloc_realloc_long_context_6);
1530   tcase_add_test__if_xml_ge(tc_nsalloc, test_nsalloc_realloc_long_context_7);
1531   tcase_add_test(tc_nsalloc, test_nsalloc_realloc_long_ge_name);
1532   tcase_add_test__if_xml_ge(tc_nsalloc,
1533                             test_nsalloc_realloc_long_context_in_dtd);
1534   tcase_add_test__if_xml_ge(tc_nsalloc, test_nsalloc_long_default_in_ext);
1535   tcase_add_test(tc_nsalloc, test_nsalloc_long_systemid_in_ext);
1536   tcase_add_test(tc_nsalloc, test_nsalloc_prefixed_element);
1537 }
1538