Subversion Repositories planix.SVN

#include <u.h>
#include <libc.h>
#include <authsrv.h>
#include <bio.h>
#include "authcmdlib.h"

char *trivial[] = {
        "login",
        "guest",
        "change me",
        "passwd",
        "no passwd",
        "anonymous",
        0
};

char*
okpasswd(char *p)
{
        char passwd[ANAMELEN];
        char back[ANAMELEN];
        int i, n;

        strncpy(passwd, p, sizeof passwd - 1);
        passwd[sizeof passwd - 1] = '\0';
        n = strlen(passwd);
        while(passwd[n - 1] == ' ')
                n--;
        passwd[n] = '\0';
        for(i = 0; i < n; i++)
                back[i] = passwd[n - 1 - i];
        back[n] = '\0';
        if(n < 8)
                return "password must be at least 8 chars";

        for(i = 0; trivial[i]; i++)
                if(strcmp(passwd, trivial[i]) == 0
                || strcmp(back, trivial[i]) == 0)
                        return "trivial password";

        return 0;
}