aboutsummaryrefslogtreecommitdiff
path: root/src/bank-lib/bank_api_parse.c
blob: 0d30e9d0818ef96d1a4f467f0740b99925efea0b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
/*
  This file is part of TALER
  Copyright (C) 2018-2020 Taler Systems SA

  TALER is free software; you can redistribute it and/or modify it under the
  terms of the GNU General Public License as published by the Free Software
  Foundation; either version 3, or (at your option) any later version.

  TALER is distributed in the hope that it will be useful, but WITHOUT ANY
  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

  You should have received a copy of the GNU General Public License along with
  TALER; see the file COPYING.  If not, see
  <http://www.gnu.org/licenses/>
*/
/**
 * @file bank-lib/bank_api_parse.c
 * @brief Convenience function to parse authentication configuration
 * @author Christian Grothoff
 */
#include "platform.h"
#include "taler_bank_service.h"


enum GNUNET_GenericReturnValue
TALER_BANK_auth_parse_cfg (const struct GNUNET_CONFIGURATION_Handle *cfg,
                           const char *section,
                           struct TALER_BANK_AuthenticationData *auth)
{
  const struct
  {
    const char *m;
    enum TALER_BANK_AuthenticationMethod e;
  } methods[] = {
    { "NONE",  TALER_BANK_AUTH_NONE  },
    { "BASIC", TALER_BANK_AUTH_BASIC },
    { NULL, TALER_BANK_AUTH_NONE     }
  };
  char *method;

  if (GNUNET_OK !=
      GNUNET_CONFIGURATION_get_value_string (cfg,
                                             section,
                                             "WIRE_GATEWAY_URL",
                                             &auth->wire_gateway_url))
  {
    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
                               section,
                               "WIRE_GATEWAY_URL");
    return GNUNET_SYSERR;
  }

  if (GNUNET_OK !=
      GNUNET_CONFIGURATION_get_value_string (cfg,
                                             section,
                                             "WIRE_GATEWAY_AUTH_METHOD",
                                             &method))
  {
    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
                               section,
                               "WIRE_GATEWAY_AUTH_METHOD");
    GNUNET_free (auth->wire_gateway_url);
    return GNUNET_SYSERR;
  }
  for (unsigned int i = 0; NULL != methods[i].m; i++)
  {
    if (0 == strcasecmp (method,
                         methods[i].m))
    {
      switch (methods[i].e)
      {
      case TALER_BANK_AUTH_NONE:
        auth->method = TALER_BANK_AUTH_NONE;
        GNUNET_free (method);
        return GNUNET_OK;
      case TALER_BANK_AUTH_BASIC:
        if (GNUNET_OK !=
            GNUNET_CONFIGURATION_get_value_string (cfg,
                                                   section,
                                                   "USERNAME",
                                                   &auth->details.basic.username))
        {
          GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
                                     section,
                                     "USERNAME");
          GNUNET_free (method);
          GNUNET_free (auth->wire_gateway_url);
          return GNUNET_SYSERR;
        }
        if (GNUNET_OK !=
            GNUNET_CONFIGURATION_get_value_string (cfg,
                                                   section,
                                                   "PASSWORD",
                                                   &auth->details.basic.password))
        {
          GNUNET_free (auth->details.basic.username);
          auth->details.basic.username = NULL;
          GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
                                     section,
                                     "PASSWORD");
          GNUNET_free (method);
          GNUNET_free (auth->wire_gateway_url);
          return GNUNET_SYSERR;
        }
        auth->method = TALER_BANK_AUTH_BASIC;
        GNUNET_free (method);
        return GNUNET_OK;
      }
    }
  }
  GNUNET_free (method);
  return GNUNET_SYSERR;
}


void
TALER_BANK_auth_free (struct TALER_BANK_AuthenticationData *auth)
{
  switch (auth->method)
  {
  case TALER_BANK_AUTH_NONE:
    break;
  case TALER_BANK_AUTH_BASIC:
    if (NULL != auth->details.basic.username)
    {
      GNUNET_free (auth->details.basic.username);
      auth->details.basic.username = NULL;
    }
    if (NULL != auth->details.basic.password)
    {
      GNUNET_free (auth->details.basic.password);
      auth->details.basic.password = NULL;
    }
    break;
  }
  GNUNET_free (auth->wire_gateway_url);
  auth->wire_gateway_url = NULL;
}


/* end of bank_api_parse.c */