Subversion Repositories planix.SVN

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

int
readfile(char *file, char *buf, int n)
{
        int fd;

        fd = open(file, OREAD);
        if(fd < 0){
                werrstr("%s: %r", file);
                return -1;
        }
        n = read(fd, buf, n);
        close(fd);
        return n;
}

int
writefile(char *file, char *buf, int n)
{
        int fd;

        fd = open(file, OWRITE);
        if(fd < 0)
                return -1;
        n = write(fd, buf, n);
        close(fd);
        return n;
}

char*
findkey(char *db, char *user, char *key)
{
        int n;
        char filename[Maxpath];

        snprint(filename, sizeof filename, "%s/%s/key", db, user);
        n = readfile(filename, key, DESKEYLEN);
        if(n != DESKEYLEN)
                return 0;
        else
                return key;
}

char*
findsecret(char *db, char *user, char *secret)
{
        int n;
        char filename[Maxpath];

        snprint(filename, sizeof filename, "%s/%s/secret", db, user);
        n = readfile(filename, secret, SECRETLEN-1);
        secret[n]=0;
        if(n <= 0)
                return 0;
        else
                return secret;
}

char*
setkey(char *db, char *user, char *key)
{
        int n;
        char filename[Maxpath];

        snprint(filename, sizeof filename, "%s/%s/key", db, user);
        n = writefile(filename, key, DESKEYLEN);
        if(n != DESKEYLEN)
                return 0;
        else
                return key;
}

char*
setsecret(char *db, char *user, char *secret)
{
        int n;
        char filename[Maxpath];

        snprint(filename, sizeof filename, "%s/%s/secret", db, user);
        n = writefile(filename, secret, strlen(secret));
        if(n != strlen(secret))
                return 0;
        else
                return secret;
}