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/* $Id: util.c 15 2024-08-21 15:36:37Z nishi $ */
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/* $Id: util.c 29 2024-08-21 19:23:54Z nishi $ */
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#include "rv_util.h"
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#include "rv_util.h"
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#include "../config.h"
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#include "../config.h"
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char* rv_new_token(const char* username) {
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char* rv_new_token(const char* username) {
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	const char tokenstr[] = "0123456789abcdefghijklmnopqrstuvwxyz";
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	const char tokenstr[] = "0123456789abcdefghijklmnopqrstuvwxyz";
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	char* token = malloc(17);
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	char* token = malloc(17);
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	token[16] = 0;
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	token[16] = 0;
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	int i;
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	int i;
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	unsigned char uc;
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	FILE* f = fopen("/dev/urandom", "rb");
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regenerate:
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regenerate:
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	for(i = 0; i < 16; i++) {
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	for(i = 0; i < 16; i++) {
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		fread(&uc, 1, 1, f);
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		token[i] = tokenstr[rand() % strlen(tokenstr)];
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		token[i] = tokenstr[uc % strlen(tokenstr)];
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	}
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	}
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	fclose(f);
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	if(rv_has_token(token)) goto regenerate;
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	if(rv_has_token(token)) goto regenerate;
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	rv_save_token(username, token);
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	rv_save_token(username, token);
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	return token;
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	return token;
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}
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}
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