avformat/url: add ff_make_absolulte_url2 to be able to test windows path cases

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2021-04-06 01:10:30 +02:00
parent 5dc5f289ce
commit fb4da90fec
4 changed files with 69 additions and 6 deletions

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@ -18,6 +18,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "libavformat/url.h"
#include "libavformat/avformat.h"
@ -48,19 +49,30 @@ static void test_decompose(const char *url)
static void test(const char *base, const char *rel)
{
char buf[200], buf2[200];
char buf[200], buf2[200], buf_dos[200], buf_native[200];
int ret;
ret = ff_make_absolute_url(buf, sizeof(buf), base, rel);
ret = ff_make_absolute_url2(buf, sizeof(buf), base, rel, 0);
if (ret < 0) {
printf("%50s %-20s => error %s\n", base, rel, av_err2str(ret));
return;
}
printf("%50s %-20s => %s\n", base, rel, buf);
ret = ff_make_absolute_url2(buf_dos, sizeof(buf_dos), base, rel, 1);
if (ret < 0)
snprintf(buf_dos, sizeof(buf_dos), "error %s", av_err2str(ret));
ret = ff_make_absolute_url(buf_native, sizeof(buf_native), base, rel);
if (ret < 0)
snprintf(buf_native, sizeof(buf_native), "error %s", av_err2str(ret));
if (strcmp(buf, buf_dos))
printf("%50s %-20sDOS %s\n", base, rel, buf_dos);
if (HAVE_DOS_PATHS && strcmp(buf_dos, buf_native) ||
!HAVE_DOS_PATHS && strcmp(buf, buf_native))
printf("Native mismatch\n");
if (base) {
/* Test in-buffer replacement */
snprintf(buf2, sizeof(buf2), "%s", base);
ff_make_absolute_url(buf2, sizeof(buf2), buf2, rel);
ff_make_absolute_url2(buf2, sizeof(buf2), buf2, rel, 0);
if (strcmp(buf, buf2)) {
printf("In-place handling of %s + %s failed\n", base, rel);
exit(1);
@ -121,6 +133,21 @@ int main(void)
test("http://server/foo/bar", "..doubledotfile");
test("http://server/foo/bar", "double..dotfile");
test("http://server/foo/bar", "doubledotfile..");
test("file1", "file2");
test("dir/file1", "file2");
test("dir/file1", "../file2");
test("dir\\file1", "file2");
test("\\\\srv\\shr\\file", "..\\..\\dummy");
test("\\\\srv\\shr\\file", "dummy");
test("\\\\srv\\shr\\file", "\\\\srv2\\shr2\\file2");
test("\\\\srv\\shr\\file", "d:/file");
test("C:\\dir\\a", "..\\file");
test("C:\\dir\\a", "\\\\srv\\shr\\file");
test("C:\\dir\\a", "d:\\file");
test("http://a/b", "\\\\srv\\shr\\file");
test("http://a/b", "//srv/shr/file");
test("http://a/b", "d:\\file");
test("http://a/b", "C:/file");
/* From https://tools.ietf.org/html/rfc3986#section-5.4 */
test("http://a/b/c/d;p?q", "g:h"); // g:h

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@ -190,8 +190,8 @@ static int append_path(char *root, char *out_end, char **rout,
return 0;
}
int ff_make_absolute_url(char *buf, int size, const char *base,
const char *rel)
int ff_make_absolute_url2(char *buf, int size, const char *base,
const char *rel, int handle_dos_paths)
{
URLComponents ub, uc;
char *out, *out_end, *path;
@ -224,7 +224,7 @@ int ff_make_absolute_url(char *buf, int size, const char *base,
if (!base)
base = "";
if (HAVE_DOS_PATHS) {
if (handle_dos_paths) {
if ((ret = ff_url_decompose(&ub, base, NULL)) < 0)
goto error;
if (is_fq_dos_path(base) || av_strstart(base, "file:", NULL) || ub.path == ub.url) {
@ -316,6 +316,12 @@ error:
return ret;
}
int ff_make_absolute_url(char *buf, int size, const char *base,
const char *rel)
{
return ff_make_absolute_url2(buf, size, base, rel, HAVE_DOS_PATHS);
}
AVIODirEntry *ff_alloc_dir_entry(void)
{
AVIODirEntry *entry = av_mallocz(sizeof(AVIODirEntry));

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@ -308,6 +308,16 @@ int ff_url_join(char *str, int size, const char *proto,
* @param size the size of buf
* @param base the base url, may be equal to buf.
* @param rel the new url, which is interpreted relative to base
* @param handle_dos_paths handle DOS paths for file or unspecified protocol
*/
int ff_make_absolute_url2(char *buf, int size, const char *base,
const char *rel, int handle_dos_paths);
/**
* Convert a relative url into an absolute url, given a base url.
*
* Same as ff_make_absolute_url2 with handle_dos_paths being equal to
* HAVE_DOS_PATHS config variable.
*/
int ff_make_absolute_url(char *buf, int size, const char *base,
const char *rel);

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@ -79,6 +79,26 @@ Testing ff_make_absolute_url:
http://server/foo/bar ..doubledotfile => http://server/foo/..doubledotfile
http://server/foo/bar double..dotfile => http://server/foo/double..dotfile
http://server/foo/bar doubledotfile.. => http://server/foo/doubledotfile..
file1 file2 => file2
dir/file1 file2 => dir/file2
dir/file1 ../file2 => dir/../file2
dir\file1 file2 => file2
dir\file1 file2 DOS dir\file2
\\srv\shr\file ..\..\dummy => ..\..\dummy
\\srv\shr\file ..\..\dummy DOS \\srv\shr\..\..\dummy
\\srv\shr\file dummy => dummy
\\srv\shr\file dummy DOS \\srv\shr\dummy
\\srv\shr\file \\srv2\shr2\file2 => \\srv2\shr2\file2
\\srv\shr\file d:/file => d:/file
C:\dir\a ..\file => C:..\file
C:\dir\a ..\file DOS C:\dir\..\file
C:\dir\a \\srv\shr\file => C:\\srv\shr\file
C:\dir\a \\srv\shr\file DOS \\srv\shr\file
C:\dir\a d:\file => d:\file
http://a/b \\srv\shr\file => http://a/\\srv\shr\file
http://a/b //srv/shr/file => http://srv/shr/file
http://a/b d:\file => d:\file
http://a/b C:/file => C:/file
http://a/b/c/d;p?q g:h => g:h
http://a/b/c/d;p?q g => http://a/b/c/g
http://a/b/c/d;p?q ./g => http://a/b/c/g