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stroke: Fail silently if another builder calls PW callback after giving up

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Also reduced the number of tries to 3.
This commit is contained in:
Tobias Brunner
2013-05-08 15:02:41 +02:00
parent 4a64c3e9a0
commit 1c080407b2
1 changed files with 14 additions and 9 deletions
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src/libcharon/plugins/stroke/stroke_cred.c
+14 -9
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@@ -620,6 +620,7 @@ static shared_key_t* passphrase_cb(passphrase_cb_data_t *data,
identification_t *other, id_match_t *match_me,
id_match_t *match_other)
{
static const int max_tries = 3;
shared_key_t *shared;
chunk_t secret;
char buf[256];
@@ -629,16 +630,20 @@ static shared_key_t* passphrase_cb(passphrase_cb_data_t *data,
return NULL;
}
data->try++;
if (data->try > max_tries + 1)
{ /* another builder might call this after we gave up, fail silently */
return NULL;
}
if (data->try > max_tries)
{
fprintf(data->prompt, "Passphrase invalid, giving up.\n");
return NULL;
}
if (data->try > 1)
{
if (data->try > 5)
{
fprintf(data->prompt, "Passphrase invalid, giving up.\n");
return NULL;
}
fprintf(data->prompt, "Passphrase invalid!\n");
}
data->try++;
fprintf(data->prompt, "%s '%s' is encrypted.\n",
data->type == CRED_PRIVATE_KEY ? "Private key" : "PKCS#12 file",
data->path);
@@ -700,12 +705,12 @@ static shared_key_t* pin_cb(pin_cb_data_t *data, shared_key_type_t type,
return NULL;
}
data->try++;
if (data->try > 1)
{
fprintf(data->prompt, "PIN invalid, aborting.\n");
return NULL;
}
data->try++;
fprintf(data->prompt, "Login to '%s' required\n", data->card);
fprintf(data->prompt, "PIN:\n");
if (fgets(buf, sizeof(buf), data->prompt))
@@ -794,7 +799,7 @@ static bool load_pin(mem_cred_t *secrets, chunk_t line, int line_nr,
pin_data.prompt = prompt;
pin_data.card = smartcard;
pin_data.keyid = chunk;
pin_data.try = 1;
pin_data.try = 0;
cb = callback_cred_create_shared((void*)pin_cb, &pin_data);
lib->credmgr->add_local_set(lib->credmgr, &cb->set, FALSE);
}
@@ -882,7 +887,7 @@ static bool load_from_file(chunk_t line, int line_nr, FILE *prompt,
.prompt = prompt,
.type = type,
.path = path,
.try = 1,
.try = 0,
};
free(secret.ptr);