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- #include <u.h>
- #include <libc.h>
- #include <authsrv.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;
- }
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