src/pam/afs_pam_msg.c

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 #include <afsconfig.h>
  11 #include <afs/param.h>
  12
  13 #include <roken.h>
  14
  15 #include <security/pam_appl.h>
  16
  17 #include "afs_pam_msg.h"
  18 #include "afs_message.h"
  19
  20
  21 int
  22 pam_afs_printf(PAM_CONST struct pam_conv *pam_convp, int error, int fmt_msgid, ...)
  23 {
  24     va_list args;
  25     char buf[PAM_MAX_MSG_SIZE];
  26     char *fmt_msg = NULL;
  27     int freeit;
  28     struct pam_message mesg;
  29     PAM_CONST struct pam_message *mesgp = &mesg;
  30     struct pam_response *resp = NULL;
  31     int errcode;
  32
  33     if (pam_convp == NULL || pam_convp->conv == NULL)
  34         return PAM_CONV_ERR;
  35
  36     fmt_msg = pam_afs_message(fmt_msgid, &freeit);
  37     va_start(args, fmt_msgid);
  38     vsprintf(buf, fmt_msg, args);
  39     va_end(args);
  40     if (freeit)
  41         free(fmt_msg);
  42
  43     mesg.msg_style = error ? PAM_ERROR_MSG : PAM_TEXT_INFO;
  44     mesg.msg = buf;
  45     errcode = (*(pam_convp->conv)) (1, &mesgp, &resp, pam_convp->appdata_ptr);
  46     if (resp) {
  47         if (resp->resp)
  48             free(resp->resp);
  49         free(resp);
  50     }
  51     return errcode;
  52 }
  53
  54
  55 int
  56 pam_afs_prompt(PAM_CONST struct pam_conv *pam_convp, char **response, int echo,
  57                int fmt_msgid, ...)
  58 {
  59     va_list args;
  60     char buf[PAM_MAX_MSG_SIZE];
  61     char *fmt_msg = NULL;
  62     int freeit;
  63     struct pam_message mesg;
  64     PAM_CONST struct pam_message *mesgp = &mesg;
  65     struct pam_response *resp = NULL;
  66     int errcode;
  67
  68     if (pam_convp == NULL || pam_convp->conv == NULL || response == NULL)
  69         return PAM_CONV_ERR;
  70
  71     *response = NULL;
  72
  73     fmt_msg = pam_afs_message(fmt_msgid, &freeit);
  74     va_start(args, fmt_msgid);
  75     vsprintf(buf, fmt_msg, args);
  76     va_end(args);
  77     if (freeit)
  78         free(fmt_msg);
  79
  80     mesg.msg_style = echo ? PAM_PROMPT_ECHO_ON : PAM_PROMPT_ECHO_OFF;
  81     mesg.msg = buf;
  82
  83     errcode = (*(pam_convp->conv)) (1, &mesgp, &resp, pam_convp->appdata_ptr);
  84     if (resp) {
  85         *response = resp->resp;
  86
  87         free(resp);             /* but not resp->resp */
  88     }
  89     return errcode;
  90 }