Attention is currently required from: flichtenheld, plaisthos.
Hello flichtenheld, plaisthos,
I'd like you to reexamine a change. Please visit
http://gerrit.openvpn.net/c/openvpn/+/1336?usp=email
to look at the new patch set (#2).
Change subject: iservice: make sure directories have trailing \
......................................................................
iservice: make sure directories have trailing \
At least in the case of the config dir this matters, since the value is
used to validate input data for the interactive service. A missing \
at the end would allow a string compare to succeed, if the last element of
the path to compare starts with the same substring. The trailing slash
ensures that the last element of a path must match completely.
Change-Id: If28e66fcc3493821f78fd14d432b22b996918e8f
Signed-off-by: Heiko Hund <[email protected]>
---
M src/openvpnserv/common.c
1 file changed, 33 insertions(+), 6 deletions(-)
git pull ssh://gerrit.openvpn.net:29418/openvpn refs/changes/36/1336/2
diff --git a/src/openvpnserv/common.c b/src/openvpnserv/common.c
index d25d9c0..4202fb0 100644
--- a/src/openvpnserv/common.c
+++ b/src/openvpnserv/common.c
@@ -54,6 +54,33 @@
}
+/**
+ * Make sure that a dir path ends with a backslash.
+ * If it doesn't, a \ is added to the end of the path, if there's room in the
buffer.
+ *
+ * @param dir pointer to the wide dir path string buffer
+ * @param size maximum number of wide chars the dir path buffer
+ * @return BOOL to indicate success or failure
+ */
+static BOOL
+ensure_trailing_backslash(PWSTR dir, size_t size)
+{
+ size_t len = wcslen(dir);
+
+ if (dir[len - 1] != '\\')
+ {
+ if (len + 1 > size)
+ {
+ return FALSE;
+ }
+ dir[len] = '\\';
+ dir[len + 1] = '\0';
+ }
+
+ return TRUE;
+}
+
+
DWORD
GetOpenvpnSettings(settings_t *s)
{
@@ -90,16 +117,16 @@
goto out;
}
- swprintf(default_value, _countof(default_value), L"%ls\\config",
install_path);
+ swprintf(default_value, _countof(default_value), L"%ls\\config\\",
install_path);
error = GetRegString(key, L"config_dir", s->config_dir,
sizeof(s->config_dir), default_value);
- if (error != ERROR_SUCCESS)
+ if (error != ERROR_SUCCESS || !ensure_trailing_backslash(s->config_dir,
_countof(s->config_dir)))
{
goto out;
}
- swprintf(default_value, _countof(default_value), L"%ls\\bin",
install_path);
+ swprintf(default_value, _countof(default_value), L"%ls\\bin\\",
install_path);
error = GetRegString(key, L"bin_dir", s->bin_dir, sizeof(s->bin_dir),
default_value);
- if (error != ERROR_SUCCESS)
+ if (error != ERROR_SUCCESS || !ensure_trailing_backslash(s->bin_dir,
_countof(s->bin_dir)))
{
goto out;
}
@@ -110,9 +137,9 @@
goto out;
}
- swprintf(default_value, _countof(default_value), L"%ls\\log",
install_path);
+ swprintf(default_value, _countof(default_value), L"%ls\\log\\",
install_path);
error = GetRegString(key, L"log_dir", s->log_dir, sizeof(s->log_dir),
default_value);
- if (error != ERROR_SUCCESS)
+ if (error != ERROR_SUCCESS || !ensure_trailing_backslash(s->log_dir,
_countof(s->log_dir)))
{
goto out;
}
--
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Gerrit-MessageType: newpatchset
Gerrit-Project: openvpn
Gerrit-Branch: master
Gerrit-Change-Id: If28e66fcc3493821f78fd14d432b22b996918e8f
Gerrit-Change-Number: 1336
Gerrit-PatchSet: 2
Gerrit-Owner: d12fk <[email protected]>
Gerrit-Reviewer: flichtenheld <[email protected]>
Gerrit-Reviewer: plaisthos <[email protected]>
Gerrit-CC: openvpn-devel <[email protected]>
Gerrit-Attention: plaisthos <[email protected]>
Gerrit-Attention: flichtenheld <[email protected]>
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