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Viewing changes to src/modules/rlm_pam/rlm_pam.c

  • Committer: Bazaar Package Importer
  • Author(s): Paul Hampson
  • Date: 2006-01-15 13:34:13 UTC
  • mto: (3.1.3 dapper) (4.1.3 sid) (1.1.14 upstream)
  • mto: This revision was merged to the branch mainline in revision 4.
  • Revision ID: james.westby@ubuntu.com-20060115133413-zo1dslttvdoalqym
Tags: upstream-1.1.0
Import upstream version 1.1.0

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src/modules/rlm_pam/rlm_pam.c
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 *              That, in fact, was again based on the original stuff
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 *              from Jeph Blaize <jblaize@kiva.net> done in May 1997.
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 *
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 * Version:     $Id: rlm_pam.c,v 1.32 2004/02/26 19:04:33 aland Exp $
 
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 * Version:     $Id: rlm_pam.c,v 1.32.4.2 2006/01/04 05:51:50 fcusack Exp $
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 *
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 *   This program is free software; you can redistribute it and/or modify
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 *   it under the terms of the GNU General Public License as published by
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                     const struct pam_message **msg,
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                     struct pam_response **resp,
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                     void *appdata_ptr) {
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  int count = 0, replies = 0;
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  struct pam_response *reply = NULL;
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  int size = sizeof(struct pam_response);
 
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  int count;
 
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  struct pam_response *reply;
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  my_PAM *pam_config = (my_PAM *) appdata_ptr;
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#define GET_MEM if (reply) realloc(reply, size); else reply = rad_malloc(size); \
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  size += sizeof(struct pam_response)
 
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/* strdup(NULL) doesn't work on some platforms */
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#define COPY_STRING(s) ((s) ? strdup(s) : NULL)
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  reply = rad_malloc(num_msg * sizeof(struct pam_response));
 
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  memset(reply, 0, num_msg * sizeof(struct pam_response));
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  for (count = 0; count < num_msg; count++) {
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    switch (msg[count]->msg_style) {
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    case PAM_PROMPT_ECHO_ON:
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      GET_MEM;
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      reply[replies].resp_retcode = PAM_SUCCESS;
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      reply[replies++].resp = COPY_STRING(pam_config->username);
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      /* PAM frees resp */
 
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      reply[count].resp_retcode = PAM_SUCCESS;
 
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      reply[count].resp = COPY_STRING(pam_config->username);
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      break;
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    case PAM_PROMPT_ECHO_OFF:
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      GET_MEM;
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      reply[replies].resp_retcode = PAM_SUCCESS;
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      reply[replies++].resp = COPY_STRING(pam_config->password);
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      /* PAM frees resp */
 
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      reply[count].resp_retcode = PAM_SUCCESS;
 
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      reply[count].resp = COPY_STRING(pam_config->password);
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      break;
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    case PAM_TEXT_INFO:
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      /* ignore it... */
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    case PAM_ERROR_MSG:
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    default:
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      /* Must be an error of some sort... */
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      free (reply);
 
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      for (count = 0; count < num_msg; count++) {
 
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        if (reply[count].resp) {
 
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          /* could be a password, let's be sanitary */
 
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          memset(reply[count].resp, 0, strlen(reply[count].resp));
 
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          free(reply[count].resp);
 
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        }
 
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      }
 
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      free(reply);
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      pam_config->error = 1;
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      return PAM_CONV_ERR;
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    }
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  }
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  if (reply) *resp = reply;
 
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  *resp = reply;
 
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  /* PAM frees reply (including reply[].resp) */
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  return PAM_SUCCESS;
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}