/*
 * This module implements the command dispatch for fc-simtool
 */

#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <stdlib.h>

extern int cmd_a38();
extern int cmd_apdu();
extern int cmd_change_chv();
extern int cmd_disable_chv();
extern int cmd_enable_chv();
extern int cmd_exec();
extern int cmd_fix_sysmo_msisdn();
extern int cmd_fplmn_dump();
extern int cmd_fplmn_erase();
extern int cmd_fplmn_erase_all();
extern int cmd_fplmn_write();
extern int cmd_grcard1_set_adm();
extern int cmd_grcard1_set_ki();
extern int cmd_grcard1_set_pin();
extern int cmd_grcard2_set_adm();
extern int cmd_grcard2_set_adm_hex();
extern int cmd_grcard2_set_pin();
extern int cmd_grcard2_set_puk();
extern int cmd_grcard2_set_super();
extern int cmd_grcard2_set_super_hex();
extern int cmd_iccid();
extern int cmd_imsi();
extern int cmd_lnd_dump();
extern int cmd_lnd_erase();
extern int cmd_lnd_restore();
extern int cmd_lnd_write();
extern int cmd_opl_dump();
extern int cmd_pb_dump();
extern int cmd_pb_dump_rec();
extern int cmd_pb_erase();
extern int cmd_pb_erase_one();
extern int cmd_pb_erase_range();
extern int cmd_pb_restore();
extern int cmd_pb_update();
extern int cmd_pb_update_imm();
extern int cmd_pb_update_imm_hex();
extern int cmd_plmnsel_dump();
extern int cmd_plmnsel_erase();
extern int cmd_plmnsel_erase_all();
extern int cmd_plmnsel_write();
extern int cmd_pnn_dump();
extern int cmd_readbin();
extern int cmd_readef();
extern int cmd_readrec();
extern int cmd_restore_file();
extern int cmd_savebin();
extern int cmd_save_sms_bin();
extern int cmd_select();
extern int cmd_sim_resp();
extern int cmd_sms_erase_all();
extern int cmd_sms_erase_one();
extern int cmd_sms_erase_range();
extern int cmd_smsp_dump();
extern int cmd_smsp_erase_all();
extern int cmd_smsp_erase_one();
extern int cmd_smsp_erase_range();
extern int cmd_smsp_restore();
extern int cmd_smsp_set();
extern int cmd_smsp_set_tag();
extern int cmd_spn();
extern int cmd_sst();
extern int cmd_telecom_sum();
extern int cmd_uicc_dir();
extern int cmd_unblock_chv();
extern int cmd_update_bin();
extern int cmd_update_bin_imm();
extern int cmd_update_rec();
extern int cmd_update_rec_prev();
extern int cmd_user_sum();
extern int cmd_verify_chv();
extern int cmd_verify_ext();
extern int cmd_verify_hex();
extern int cmd_verify_sjs1_adm1();
extern int cmd_write_iccid();
extern int cmd_write_imsi();

extern int good_exit();
extern int retrieve_atr();

static struct cmdtab {
	char *cmd;
	int minargs;
	int maxargs;
	int allow_redir;
	int (*func)();
} cmdtab[] = {
	{"a38", 1, 1, 1, cmd_a38},
	{"apdu", 1, 1, 0, cmd_apdu},
	{"atr", 0, 0, 0, retrieve_atr},
	{"change-chv1", 2, 2, 0, cmd_change_chv},
	{"change-chv2", 2, 2, 0, cmd_change_chv},
	{"change-pin1", 2, 2, 0, cmd_change_chv},
	{"change-pin2", 2, 2, 0, cmd_change_chv},
	{"disable-chv", 1, 1, 0, cmd_disable_chv},
	{"disable-chv1", 1, 1, 0, cmd_disable_chv},
	{"disable-pin", 1, 1, 0, cmd_disable_chv},
	{"disable-pin1", 1, 1, 0, cmd_disable_chv},
	{"enable-chv", 1, 1, 0, cmd_enable_chv},
	{"enable-chv1", 1, 1, 0, cmd_enable_chv},
	{"enable-pin", 1, 1, 0, cmd_enable_chv},
	{"enable-pin1", 1, 1, 0, cmd_enable_chv},
	{"exec", 1, 1, 0, cmd_exec},
	{"exit", 0, 0, 0, good_exit},
	{"fix-sysmo-msisdn", 0, 0, 0, cmd_fix_sysmo_msisdn},
	{"fplmn-dump", 0, 0, 1, cmd_fplmn_dump},
	{"fplmn-erase", 1, 2, 0, cmd_fplmn_erase},
	{"fplmn-erase-all", 0, 0, 0, cmd_fplmn_erase_all},
	{"fplmn-write", 2, 2, 0, cmd_fplmn_write},
	{"grcard1-set-adm1", 2, 2, 0, cmd_grcard1_set_adm},
	{"grcard1-set-adm2", 2, 2, 0, cmd_grcard1_set_adm},
	{"grcard1-set-ki", 1, 1, 0, cmd_grcard1_set_ki},
	{"grcard1-set-pin1", 2, 2, 0, cmd_grcard1_set_pin},
	{"grcard1-set-pin2", 2, 2, 0, cmd_grcard1_set_pin},
	{"grcard2-set-adm", 1, 1, 0, cmd_grcard2_set_adm},
	{"grcard2-set-adm-hex", 1, 1, 0, cmd_grcard2_set_adm_hex},
	{"grcard2-set-pin1", 1, 1, 0, cmd_grcard2_set_pin},
	{"grcard2-set-pin2", 1, 1, 0, cmd_grcard2_set_pin},
	{"grcard2-set-puk1", 1, 1, 0, cmd_grcard2_set_puk},
	{"grcard2-set-puk2", 1, 1, 0, cmd_grcard2_set_puk},
	{"grcard2-set-super", 1, 1, 0, cmd_grcard2_set_super},
	{"grcard2-set-super-hex", 1, 1, 0, cmd_grcard2_set_super_hex},
	{"iccid", 0, 0, 1, cmd_iccid},
	{"imsi", 0, 0, 1, cmd_imsi},
	{"lnd-dump", 0, 0, 1, cmd_lnd_dump},
	{"lnd-erase", 0, 0, 0, cmd_lnd_erase},
	{"lnd-restore", 1, 1, 0, cmd_lnd_restore},
	{"lnd-write", 1, 2, 0, cmd_lnd_write},
	{"opl-dump", 0, 0, 1, cmd_opl_dump},
	{"pb-dump", 1, 1, 1, cmd_pb_dump},
	{"pb-dump-rec", 2, 3, 1, cmd_pb_dump_rec},
	{"pb-erase", 1, 1, 0, cmd_pb_erase},
	{"pb-erase-one", 2, 2, 0, cmd_pb_erase_one},
	{"pb-erase-range", 3, 3, 0, cmd_pb_erase_range},
	{"pb-restore", 2, 2, 0, cmd_pb_restore},
	{"pb-update", 2, 2, 0, cmd_pb_update},
	{"pb-update-imm", 3, 4, 0, cmd_pb_update_imm},
	{"pb-update-imm-hex", 4, 4, 0, cmd_pb_update_imm_hex},
	{"plmnsel-dump", 0, 0, 1, cmd_plmnsel_dump},
	{"plmnsel-erase", 1, 2, 0, cmd_plmnsel_erase},
	{"plmnsel-erase-all", 0, 0, 0, cmd_plmnsel_erase_all},
	{"plmnsel-write", 2, 2, 0, cmd_plmnsel_write},
	{"pnn-dump", 0, 0, 1, cmd_pnn_dump},
	{"quit", 0, 0, 0, good_exit},
	{"readbin", 2, 2, 1, cmd_readbin},
	{"readef", 1, 1, 1, cmd_readef},
	{"readrec", 1, 2, 1, cmd_readrec},
	{"restore-file", 2, 2, 0, cmd_restore_file},
	{"savebin", 2, 2, 0, cmd_savebin},
	{"save-sms-bin", 1, 1, 0, cmd_save_sms_bin},
	{"select", 1, 1, 0, cmd_select},
	{"sim-resp", 0, 0, 1, cmd_sim_resp},
	{"sms-erase-all", 0, 0, 0, cmd_sms_erase_all},
	{"sms-erase-one", 1, 1, 0, cmd_sms_erase_one},
	{"sms-erase-range", 2, 2, 0, cmd_sms_erase_range},
	{"smsp-dump", 0, 0, 1, cmd_smsp_dump},
	{"smsp-erase-all", 0, 0, 0, cmd_smsp_erase_all},
	{"smsp-erase-one", 1, 1, 0, cmd_smsp_erase_one},
	{"smsp-erase-range", 2, 2, 0, cmd_smsp_erase_range},
	{"smsp-restore", 1, 1, 0, cmd_smsp_restore},
	{"smsp-set", 2, 6, 0, cmd_smsp_set},
	{"smsp-set-tag", 3, 7, 0, cmd_smsp_set_tag},
	{"spn", 0, 0, 1, cmd_spn},
	{"sst", 0, 0, 1, cmd_sst},
	{"telecom-sum", 0, 0, 0, cmd_telecom_sum},
	{"uicc-dir", 0, 0, 1, cmd_uicc_dir},
	{"unblock-chv1", 2, 2, 0, cmd_unblock_chv},
	{"unblock-chv2", 2, 2, 0, cmd_unblock_chv},
	{"unblock-pin1", 2, 2, 0, cmd_unblock_chv},
	{"unblock-pin2", 2, 2, 0, cmd_unblock_chv},
	{"update-bin", 2, 2, 0, cmd_update_bin},
	{"update-bin-imm", 2, 2, 0, cmd_update_bin_imm},
	{"update-rec", 2, 2, 0, cmd_update_rec},
	{"update-rec-prev", 1, 1, 0, cmd_update_rec_prev},
	{"user-sum", 0, 0, 1, cmd_user_sum},
	{"verify-chv1", 1, 1, 0, cmd_verify_chv},
	{"verify-chv2", 1, 1, 0, cmd_verify_chv},
	{"verify-ext", 2, 2, 0, cmd_verify_ext},
	{"verify-hex", 2, 2, 0, cmd_verify_hex},
	{"verify-pin1", 1, 1, 0, cmd_verify_chv},
	{"verify-pin2", 1, 1, 0, cmd_verify_chv},
	{"verify-sjs1-adm1", 1, 1, 0, cmd_verify_sjs1_adm1},
	{"write-iccid", 1, 1, 0, cmd_write_iccid},
	{"write-imsi", 1, 1, 0, cmd_write_imsi},
	{0, 0, 0, 0, 0}
};

static FILE *
handle_output_redir(str)
	char *str;
{
	char *cp, *fn;
	FILE *outf;

	for (cp = str; isspace(*cp); cp++)
		;
	if (!*cp || *cp == '#') {
		fprintf(stderr, "error: no filename after '>'\n");
		return(0);
	}
	for (fn = cp; *cp && !isspace(*cp); cp++)
		;
	if (*cp)
		*cp++ = '\0';
	while (isspace(*cp))
		cp++;
	if (*cp && *cp != '#') {
		fprintf(stderr, "error: invalid syntax after '>'\n");
		return(0);
	}
	outf = fopen(fn, "w");
	if (!outf)
		perror(fn);
	return outf;
}

simtool_dispatch_cmd(cmd, is_script)
	char *cmd;
{
	char *argv[10];
	char *cp, **ap;
	struct cmdtab *tp;
	FILE *outf;
	int rc;

	for (cp = cmd; isspace(*cp); cp++)
		;
	if (!*cp || *cp == '#')
		return(0);
	if (is_script)
		printf("Script command: %s\n", cp);
	argv[0] = cp;
	while (*cp && !isspace(*cp))
		cp++;
	if (*cp)
		*cp++ = '\0';
	for (tp = cmdtab; tp->cmd; tp++)
		if (!strcmp(tp->cmd, argv[0]))
			break;
	if (!tp->func) {
		fprintf(stderr, "error: no such command\n");
		return(-1);
	}
	for (ap = argv + 1; ; ) {
		while (isspace(*cp))
			cp++;
		if (!*cp || *cp == '#' || *cp == '>')
			break;
		if (ap - argv - 1 >= tp->maxargs) {
			fprintf(stderr, "error: too many arguments\n");
			return(-1);
		}
		if (*cp == '"') {
			*ap++ = ++cp;
			for (;;) {
				if (!*cp) {
unterm_qstring:				fprintf(stderr,
					"error: unterminated quoted string\n");
					return(-1);
				}
				if (*cp == '"')
					break;
				if (*cp++ == '\\') {
					if (!*cp)
						goto unterm_qstring;
					cp++;
				}
			}
			*cp++ = '\0';
		} else {
			*ap++ = cp;
			while (*cp && !isspace(*cp))
				cp++;
			if (*cp)
				*cp++ = '\0';
		}
	}
	if (ap - argv - 1 < tp->minargs) {
		fprintf(stderr, "error: too few arguments\n");
		return(-1);
	}
	*ap = 0;
	if (*cp == '>') {
		if (!tp->allow_redir) {
			fprintf(stderr,
			"error: command does not support output redirection\n");
			return(-1);
		}
		outf = handle_output_redir(cp + 1);
		if (!outf)
			return(-1);
	} else
		outf = stdout;
	rc = tp->func(ap - argv, argv, outf);
	if (outf != stdout)
		fclose(outf);
	return rc;
}

dispatch_ready_argv(argc, argv)
	char **argv;
{
	struct cmdtab *tp;

	for (tp = cmdtab; tp->cmd; tp++)
		if (!strcmp(tp->cmd, argv[0]))
			break;
	if (!tp->func) {
		fprintf(stderr, "error: no such command\n");
		return(-1);
	}
	if (argc - 1 > tp->maxargs) {
		fprintf(stderr, "error: too many arguments\n");
		return(-1);
	}
	if (argc - 1 < tp->minargs) {
		fprintf(stderr, "error: too few arguments\n");
		return(-1);
	}
	return tp->func(argc, argv, stdout);
}