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Removed printf, increased write buffer on write function

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Ugo Cirmignani
2018-12-29 16:11:56 +01:00
parent f811ad5474
commit 6cc412e8db
1 changed files with 0 additions and 87 deletions
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87
pamTest.c
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@ -1,87 +0,0 @@
#include <stdio.h>
#include <security/pam_appl.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
//gcc -o pamTest pamTest.c -lpam
struct pam_response *reply;
// //function used to get user input
int function_conversation(int num_msg, const struct pam_message **msg, struct pam_response **resp, void *appdata_ptr)
{
*resp = reply;
return PAM_SUCCESS;
}
int authenticate_system(const char *username, const char *password)
{
const struct pam_conv local_conversation = { function_conversation, NULL };
pam_handle_t *local_auth_handle = NULL; // this gets set by pam_start
int retval;
retval = pam_start("su", username, &local_conversation, &local_auth_handle);
if (retval != PAM_SUCCESS)
{
printf("pam_start returned: %d\n ", retval);
return 0;
}
reply = (struct pam_response *)malloc(sizeof(struct pam_response));
reply[0].resp = strdup(password);
reply[0].resp_retcode = 0;
retval = pam_authenticate(local_auth_handle, 0);
if (retval != PAM_SUCCESS)
{
if (retval == PAM_AUTH_ERR)
{
printf("Authentication failure.\n");
}
else
{
printf("pam_authenticate returned %d\n", retval);
}
return 0;
}
printf("Authenticated.\n");
retval = pam_end(local_auth_handle, retval);
if (retval != PAM_SUCCESS)
{
printf("pam_end returned\n");
return 0;
}
return 1;
}
int main(int argc, char** argv)
{
char* login;
char* password;
printf("Authentication module\n");
if (argc != 3)
{
printf("Invalid count of arguments %d.\n", argc);
printf("./authModule <username> <password>");
return 1;
}
login = argv[1];
password = argv[2];
if (authenticate_system(login, password) == 1)
{
printf("Authenticate with %s - %s through system\n", login, password);
return 0;
}
printf("Authentication failed!\n");
return 1;
}