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Fix %include bug with pattern with */ on glibc < 2.19 #40141

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Fix bug where %including a pattern ending in */ would include
files and folders (instead of folders only) in versions of
glibc < 2.19.
This commit is contained in:
Daniel Pinto 2020-10-03 04:10:52 +01:00
parent f2968c3aac
commit 304ae473ca
2 changed files with 16 additions and 1 deletions
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4
changes/bug40141 Normal file
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@ -0,0 +1,4 @@
o Minor bugfixes (configuration):
- Fix bug where %including a pattern ending with */ would include files
and folders (instead of folders only) in versions of glibc < 2.19.
Fixes bug 40141; bugfix on 0.4.5.0-alpha-dev. Patch by Daniel Pinto.

13
src/lib/fs/path.c
View File

@ -598,6 +598,12 @@ tor_glob(const char *pattern)
return NULL;
}
// #40141: workaround for bug in glibc < 2.19 where patterns ending in path
// separator match files and folders instead of folders only
size_t pattern_len = strlen(pattern);
bool dir_only = has_glob(pattern) &&
pattern_len > 0 && pattern[pattern_len-1] == *PATH_SEPARATOR;
result = smartlist_new();
size_t i;
for (i = 0; i < matches.gl_pathc; i++) {
@ -606,7 +612,12 @@ tor_glob(const char *pattern)
if (len > 0 && match[len-1] == *PATH_SEPARATOR) {
match[len-1] = '\0';
}
smartlist_add(result, match);
if (!dir_only || (dir_only && is_dir(file_status(match)))) {
smartlist_add(result, match);
} else {
tor_free(match);
}
}
globfree(&matches);
#else