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/*
* Copyright © 2012 Canonical Ltd. All rights reserved.
*
* Author(s): David Barth <david.barth@canonical.com>
*
*/
#include <stdlib.h>
#include <string.h>
#include "mock_pam.h"
#include "pam-freerdp2.h"
struct pam_handle {
void *item[PAM_NUM_ITEMS];
struct pam_conv *conv;
/* note: the other fields have been omitted */
};
int fake_conv (int __attribute__((unused)) num_msg,
const struct pam_message **msg,
struct pam_response **resp,
void __attribute__((unused)) *appdata_ptr)
{
struct pam_response *response = NULL;
response = malloc (sizeof (struct pam_response));
if (response == NULL) {
return PAM_BUF_ERR;
}
response->resp_retcode = 0;
if (strcmp((*msg)->msg, PAM_FREERDP2_PROMPT_GUESTLOGIN) == 0) {
response->resp = strdup ("guest"); /* IMPORTANT: this needs to be in /etc/passwd */
} else if (strcmp((*msg)->msg, PAM_FREERDP2_PROMPT_USER) == 0) {
response->resp = strdup ("ruser");
} else if (strcmp((*msg)->msg, PAM_FREERDP2_PROMPT_HOST) == 0) {
response->resp = strdup ("protocol://rhost/dummy");
} else if (strcmp((*msg)->msg, PAM_FREERDP2_PROMPT_PASSWORD) == 0) {
response->resp = strdup ("password");
} else if (strcmp((*msg)->msg, PAM_FREERDP2_PROMPT_DOMAIN) == 0) {
response->resp = strdup ("domain");
} else {
free(response);
return PAM_SYMBOL_ERR; /* leaks... */
}
*resp = response;
return PAM_SUCCESS;
}
int fake_conv_empty_password (int __attribute__((unused)) num_msg,
const struct pam_message **msg,
struct pam_response **resp,
void __attribute__((unused)) *appdata_ptr)
{
struct pam_response *response = NULL;
response = malloc (sizeof (struct pam_response));
if (response == NULL)
return PAM_BUF_ERR;
response->resp_retcode = 0;
if (strcmp((*msg)->msg, PAM_FREERDP2_PROMPT_GUESTLOGIN) == 0) {
response->resp = strdup ("guest"); /* IMPORTANT: this needs to be in /etc/passwd */
} else if (strcmp((*msg)->msg, PAM_FREERDP2_PROMPT_USER) == 0) {
response->resp = strdup ("ruser");
} else if (strcmp((*msg)->msg, PAM_FREERDP2_PROMPT_HOST) == 0) {
response->resp = strdup ("protocol://rhost/dummy");
} else if (strcmp((*msg)->msg, PAM_FREERDP2_PROMPT_PASSWORD) == 0) {
response->resp = strdup ("");
} else if (strcmp((*msg)->msg, PAM_FREERDP2_PROMPT_DOMAIN) == 0) {
response->resp = strdup ("domain");
} else {
free(response);
return PAM_SYMBOL_ERR; /* leaks... */
}
*resp = response;
return PAM_SUCCESS;
}
struct pam_conv static_conv = { &fake_conv, (void *)NULL };
struct pam_conv static_conv_empty_pswd = { &fake_conv_empty_password, (void *)NULL };
pam_handle_t *pam_handle_new (void)
{
pam_handle_t *newh = malloc (sizeof (pam_handle_t));
if (newh != NULL) {
newh->conv = &static_conv;
memset(newh->item, 0, sizeof(void *) * PAM_NUM_ITEMS);
}
return newh;
}
pam_handle_t *pam_handle_empty_pswd_new (void)
{
pam_handle_t *newh = malloc (sizeof (pam_handle_t));
if (newh != NULL) {
newh->conv = &static_conv_empty_pswd;
memset(newh->item, 0, sizeof(void *) * PAM_NUM_ITEMS);
}
return newh;
}
int PAM_NONNULL((1)) pam_get_item (const pam_handle_t *pamh, int type, const void **value)
{
if (pamh == NULL)
return PAM_SYSTEM_ERR;
if (type == PAM_CONV) {
*value = pamh->conv;
} else if (pamh->item[type] != NULL) {
*value = pamh->item[type];
} else {
*value = NULL; /* will result in a prompt conversation */
}
return PAM_SUCCESS;
}
int PAM_NONNULL((1)) pam_set_item (pam_handle_t *pamh, int type, const void *value)
{
if (pamh == NULL) {
return PAM_SYSTEM_ERR;
}
void **slot, *tmp;
size_t nsize, osize;
slot = &pamh->item[type];
osize = nsize = 0;
if (*slot != NULL) {
osize = strlen((const char *)*slot) + 1;
}
if (value != NULL) {
nsize = strlen((const char *)value) + 1;
}
if (*slot != NULL) {
memset(*slot, 0xd0, osize);
free(*slot);
}
if (value != NULL) {
if ((tmp = malloc(nsize)) == NULL) {
return PAM_BUF_ERR;
}
memcpy(tmp, value, nsize);
} else {
tmp = NULL;
}
*slot = tmp;
return PAM_SUCCESS;
}
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