| 1 | /* |
| 2 | ** Copyright 2000-2004 Double Precision, Inc. See COPYING for |
| 3 | ** distribution information. |
| 4 | */ |
| 5 | |
| 6 | #include "auth.h" |
| 7 | #include "authstaticlist.h" |
| 8 | #include "courierauthsasl.h" |
| 9 | #include "authwait.h" |
| 10 | #include "courierauthdebug.h" |
| 11 | #include <stdlib.h> |
| 12 | #include <stdio.h> |
| 13 | #include <string.h> |
| 14 | #include <signal.h> |
| 15 | #include <unistd.h> |
| 16 | #include <errno.h> |
| 17 | #include <sys/time.h> |
| 18 | #include <sys/select.h> |
| 19 | #include "numlib/numlib.h" |
| 20 | #include "authchangepwdir.h" |
| 21 | |
| 22 | static const char rcsid[]="$Id: authmoduser2.c,v 1.9 2004/11/17 01:16:00 mrsam Exp $"; |
| 23 | |
| 24 | extern int authdaemondopasswd(char *, int); |
| 25 | |
| 26 | static int badstr(const char *p) |
| 27 | { |
| 28 | if (!p) return 1; |
| 29 | while (*p) |
| 30 | { |
| 31 | if ((int)(unsigned char)*p < ' ') |
| 32 | return 1; |
| 33 | ++p; |
| 34 | } |
| 35 | return 0; |
| 36 | } |
| 37 | |
| 38 | int auth_passwd(const char *service, |
| 39 | const char *uid, |
| 40 | const char *opwd, |
| 41 | const char *npwd) |
| 42 | { |
| 43 | char *buf; |
| 44 | |
| 45 | if (badstr(service) || badstr(uid) || badstr(opwd) || badstr(npwd)) |
| 46 | { |
| 47 | errno=EINVAL; |
| 48 | return -1; |
| 49 | } |
| 50 | |
| 51 | buf=malloc(strlen(service)+strlen(uid)+strlen(opwd)+ |
| 52 | strlen(npwd)+20); |
| 53 | |
| 54 | if (!buf) |
| 55 | return -1; |
| 56 | |
| 57 | sprintf(buf, "PASSWD %s\t%s\t%s\t%s\n", |
| 58 | service, uid, opwd, npwd); |
| 59 | |
| 60 | if (authdaemondopasswd(buf, strlen(buf))) |
| 61 | { |
| 62 | free(buf); |
| 63 | sleep(5); |
| 64 | return (-1); |
| 65 | } |
| 66 | free(buf); |
| 67 | return (0); |
| 68 | } |