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authorVolker Lendecke <vl@samba.org>2010-08-21 14:48:28 +0200
committerVolker Lendecke <vl@samba.org>2010-08-27 21:10:14 +0200
commit619c348ba325961c23dd7883bbaf33e7a99846e6 (patch)
treed0fcfd72b51ab486627105916a57dc36b603ef21 /source3
parentef334b95faaa8b8d97ff091299c454dfc8fd390c (diff)
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s3: Pass "private_data" through string_combinations()
Diffstat (limited to 'source3')
-rw-r--r--source3/auth/pass_check.c36
1 files changed, 24 insertions, 12 deletions
diff --git a/source3/auth/pass_check.c b/source3/auth/pass_check.c
index ee35fba5f4..5943761277 100644
--- a/source3/auth/pass_check.c
+++ b/source3/auth/pass_check.c
@@ -492,8 +492,10 @@ try all combinations with N uppercase letters.
offset is the first char to try and change (start with 0)
it assumes the string starts lowercased
****************************************************************************/
-static NTSTATUS string_combinations2(char *s, int offset, NTSTATUS (*fn) (const char *),
- int N)
+static NTSTATUS string_combinations2(char *s, int offset,
+ NTSTATUS (*fn)(const char *s,
+ void *private_data),
+ int N, void *private_data)
{
int len = strlen(s);
int i;
@@ -504,15 +506,17 @@ static NTSTATUS string_combinations2(char *s, int offset, NTSTATUS (*fn) (const
#endif
if (N <= 0 || offset >= len)
- return (fn(s));
+ return (fn(s, private_data));
for (i = offset; i < (len - (N - 1)); i++) {
char c = s[i];
if (!islower_ascii(c))
continue;
s[i] = toupper_ascii(c);
- if (!NT_STATUS_EQUAL(nt_status = string_combinations2(s, i + 1, fn, N - 1),NT_STATUS_WRONG_PASSWORD)) {
- return (nt_status);
+ nt_status = string_combinations2(s, i + 1, fn, N - 1,
+ private_data);
+ if (!NT_STATUS_EQUAL(nt_status, NT_STATUS_WRONG_PASSWORD)) {
+ return nt_status;
}
s[i] = c;
}
@@ -526,13 +530,19 @@ try all combinations with up to N uppercase letters.
offset is the first char to try and change (start with 0)
it assumes the string starts lowercased
****************************************************************************/
-static NTSTATUS string_combinations(char *s, NTSTATUS (*fn) (const char *), int N)
+static NTSTATUS string_combinations(char *s,
+ NTSTATUS (*fn)(const char *s,
+ void *private_data),
+ int N, void *private_data)
{
int n;
NTSTATUS nt_status;
- for (n = 1; n <= N; n++)
- if (!NT_STATUS_EQUAL(nt_status = string_combinations2(s, 0, fn, n), NT_STATUS_WRONG_PASSWORD))
+ for (n = 1; n <= N; n++) {
+ nt_status = string_combinations2(s, 0, fn, n, private_data);
+ if (!NT_STATUS_EQUAL(nt_status, NT_STATUS_WRONG_PASSWORD)) {
return nt_status;
+ }
+ }
return NT_STATUS_WRONG_PASSWORD;
}
@@ -540,7 +550,7 @@ static NTSTATUS string_combinations(char *s, NTSTATUS (*fn) (const char *), int
/****************************************************************************
core of password checking routine
****************************************************************************/
-static NTSTATUS password_check(const char *password)
+static NTSTATUS password_check(const char *password, void *private_data)
{
#ifdef WITH_PAM
return smb_pam_passcheck(get_this_user(), password);
@@ -820,7 +830,7 @@ NTSTATUS pass_check(const struct passwd *pass,
#endif /* defined(WITH_PAM) */
/* try it as it came to us */
- nt_status = password_check(password);
+ nt_status = password_check(password, NULL);
if NT_STATUS_IS_OK(nt_status) {
return (nt_status);
} else if (!NT_STATUS_EQUAL(nt_status, NT_STATUS_WRONG_PASSWORD)) {
@@ -848,7 +858,8 @@ NTSTATUS pass_check(const struct passwd *pass,
/* try all lowercase if it's currently all uppercase */
if (strhasupper(pass2)) {
strlower_m(pass2);
- if NT_STATUS_IS_OK(nt_status = password_check(pass2)) {
+ nt_status = password_check(pass2, NULL);
+ if NT_STATUS_IS_OK(nt_status) {
return (nt_status);
}
}
@@ -861,7 +872,8 @@ NTSTATUS pass_check(const struct passwd *pass,
/* last chance - all combinations of up to level chars upper! */
strlower_m(pass2);
- if (NT_STATUS_IS_OK(nt_status = string_combinations(pass2, password_check, level))) {
+ nt_status = string_combinations(pass2, password_check, level, NULL);
+ if (NT_STATUS_IS_OK(nt_status)) {
return nt_status;
}