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Check that $XDG_RUNTIME_DIR is valid and accessible

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Signed-off-by: David Adam <zanchey@ucc.gu.uwa.edu.au>
This commit is contained in:
Tanner Bruce 2015-10-08 21:44:38 -05:00 committed by David Adam
parent a0eef2663a
commit b4b5c2188f
1 changed files with 6 additions and 1 deletions
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7
src/env_universal_common.cpp
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@ -147,7 +147,12 @@ static wcstring get_runtime_path()
{ {
wcstring result; wcstring result;
const char *dir = getenv("XDG_RUNTIME_DIR"); const char *dir = getenv("XDG_RUNTIME_DIR");
if (dir != NULL)
// Check that the path is actually usable
// Technically this is guaranteed by the fdo spec but in practice
// it is not always the case: see #1828 and #2222
int mode = R_OK | W_OK | X_OK;
if (dir != NULL && access(dir, mode) == 0 && check_runtime_path(dir) == 0)
{ {
result = str2wcstring(dir); result = str2wcstring(dir);
} }