#include "all.h"#include "util.h"#include "globalvars.h"#include "tokencommon.h"intmain(argc, argv)	int argc;	char** argv;{	int error = 0;	char* ctokenFile;	int ret, i;	xmlNodePtr tUserNode, dUserNode;	char* passphrase;	u_int8_t* utk;	u_int8_t* mk;	xmlChar* tokenDev;	xmlChar* tokenFS;	xmlChar* tokenDir;	xmlChar* tokenFile;	char* tokenState;	xmlNodePtr cur;	int shm;	int successFlag = 0;		/* Get shared memory segment for masterKey */	shm = getAuthdata(1);	if (shm == -1)	{		perror("Shared memory error");		exit(1);	}	ctab = xmlParseFile(CONFIG_FILE);	if (NULL == ctab)	{		printf("Configuration file loading error.\n");	}	else	{		if (argc < 2)		{			/* Get token configuration from cryptotab */			cur = xmlDocGetRootElement(ctab);			for (cur = cur->xmlChildrenNode; cur != NULL; cur = cur->next)			{				if (0 == xmlStrcmp(cur->name, (const char*) "token"))				{					tokenDev = xmlGetProp(cur, "dev");					tokenFS = xmlGetProp(cur, "fstype");					tokenDir = xmlGetProp(cur, "mnt");					tokenFile = xmlGetProp(cur, "file");					break;				}			}			ret = getTokenConfig(tokenDev, tokenFS, tokenDir,													 tokenFile, &tokenState);			xmlFree(tokenDev);			xmlFree(tokenFS);			xmlFree(tokenDir);			xmlFree(tokenFile);			if (-1 == ret)			{				printf("Fatal error: %s\n", tokenState);				error = 1;			}			else if (0 == ret)			{				printf("Error accessing token: %s\n", tokenState);				error = 1;			}			else				error = 0;		}		else		{			/* Get token configuration file from argv[1] */			ctokenFile = argv[1];			ctoken = xmlParseFile(ctokenFile);			if (NULL == ctoken)			{				printf("Token configuration loading error.\n");				error = 1;			}		}		if (1 != error)		{			ret = promptForUser(&tUserNode, &dUserNode);			if (1 == ret)			{				getPassphrase(&passphrase, "Enter passphrase: ");				printf("Checking passphrase... ");				fflush(stdout);				ret = getUserTokenKey(&utk, NULL, tUserNode, passphrase);				free(passphrase);				if (-1 == ret)				{					printf(" bad.\n");				}				else				{					printf(" ok.\n");					/* Decrypt masterKey using userTokenKey */					ret = decryptMasterKey(&mk, utk, dUserNode);					if (-1 == ret)					{						printf("Master key decryption failed.\n");					}					else					{						/* Copy masterKey to shared memory segment */						for (i = 0; i < 128/8; i++)							authdata[i] = mk[i];						printf("Master key placed in shared memory.\n");						successFlag = 1;						free(mk);					}					free(utk); /* user key not needed now */				}			}			xmlFreeDoc(ctoken);		}		xmlFreeDoc(ctab);	}		if (1 != successFlag)	{		/* Destroy shm segment */		ret = shmdt(authdata);		if (ret == -1)		{			perror("shmdt");			exit(1);		}		ret = shmctl(shm, IPC_RMID, NULL);		if (ret == -1)		{			perror("shmctl");			exit(1);		}	}	return error;}