aboutsummaryrefslogtreecommitdiffstats
path: root/src/cli/utils.cpp
blob: f3ce5f0f90fe38144545bc181b3f745516a2c99b (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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
/*
* (C) 2009,2010,2014,2015 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include "cli.h"

#include <botan/version.h>
#include <botan/auto_rng.h>
#include <botan/hash.h>
#include <botan/cpuid.h>
#include <botan/hex.h>

#if defined(BOTAN_HAS_BASE64_CODEC)
  #include <botan/base64.h>
#endif

#if defined(BOTAN_HAS_SYSTEM_RNG)
  #include <botan/system_rng.h>
#endif

#if defined(BOTAN_HAS_HTTP_UTIL)
  #include <botan/http_util.h>
#endif

#if defined(BOTAN_HAS_BCRYPT)
  #include <botan/bcrypt.h>
#endif

namespace Botan_CLI {

class Config_Info : public Command
   {
   public:
      Config_Info() : Command("config info_type") {}

      std::string help_text() const override
         {
         return "Usage: config info_type\n"
                "   prefix: Print install prefix\n"
                "   cflags: Print include params\n"
                "   ldflags: Print linker params\n"
                "   libs: Print libraries\n";
         }

      void go() override
         {
         const std::string arg = get_arg("info_type");

         if(arg == "prefix")
            {
            output() << BOTAN_INSTALL_PREFIX << "\n";
            }
         else if(arg == "cflags")
            {
            output() << "-I" << BOTAN_INSTALL_PREFIX << "/" << BOTAN_INSTALL_HEADER_DIR << "\n";
            }
         else if(arg == "ldflags")
            {
            output() << "-L" << BOTAN_INSTALL_PREFIX << "/" << BOTAN_INSTALL_LIB_DIR << "\n";
            }
         else if(arg == "libs")
            {
            output() << "-lbotan-" << Botan::version_major() << "." << Botan::version_minor()
                     << " " << BOTAN_LIB_LINK << "\n";
            }
         else
            {
            throw CLI_Usage_Error("Unknown option to botan config " + arg);
            }
         }
   };

BOTAN_REGISTER_COMMAND(Config_Info);

class Version_Info : public Command
   {
   public:
      Version_Info() : Command("version --full") {}

      void go() override
         {
         if(flag_set("full"))
            {
            output() << Botan::version_string() << "\n";
            }
         else
            {
            output() << Botan::version_major() << "."
                     << Botan::version_minor() << "."
                     << Botan::version_patch() << "\n";
            }
         }
   };

BOTAN_REGISTER_COMMAND(Version_Info);

class Print_Cpuid : public Command
   {
   public:
      Print_Cpuid() : Command("cpuid") {}

      void go() override
         {
         Botan::CPUID::print(output());
         }
   };

BOTAN_REGISTER_COMMAND(Print_Cpuid);

class Hash : public Command
   {
   public:
      Hash() : Command("hash --algo=SHA-256 --buf-size=4096 *files") {}

      void go() override
         {
         const std::string hash_algo = get_arg("algo");
         std::unique_ptr<Botan::HashFunction> hash_fn(Botan::HashFunction::create(hash_algo));

         if(!hash_fn)
            throw CLI_Error_Unsupported("hashing", hash_algo);

         const size_t buf_size = get_arg_sz("buf-size");

         for(auto fsname : get_arg_list("files"))
            {
            auto update_hash = [&](const uint8_t b[], size_t l) { hash_fn->update(b, l); };
            read_file(fsname, update_hash, buf_size);
            output() << Botan::hex_encode(hash_fn->final()) << " " << fsname << "\n";
            }
         }
   };

BOTAN_REGISTER_COMMAND(Hash);

class RNG : public Command
   {
   public:
      RNG() : Command("rng bytes --system") {}

      void go() override
         {
         const size_t bytes = get_arg_sz("bytes");

         if(flag_set("system"))
            {
#if defined(BOTAN_HAS_SYSTEM_RNG)
            output() << Botan::hex_encode(Botan::system_rng().random_vec(bytes)) << "\n";
#else
            error_output() << "system_rng disabled in build\n";
#endif
            }
         else
            {
            Botan::AutoSeeded_RNG rng;
            output() << Botan::hex_encode(rng.random_vec(bytes)) << "\n";
            }
         }
   };

BOTAN_REGISTER_COMMAND(RNG);

#if defined(BOTAN_HAS_HTTP_UTIL)

class HTTP_Get : public Command
   {
   public:
      HTTP_Get() : Command("http_get url") {}

      void go() override
         {
         output() << Botan::HTTP::GET_sync(get_arg("url")) << "\n";
         }
   };

BOTAN_REGISTER_COMMAND(HTTP_Get);

#endif // http_util

#if defined(BOTAN_HAS_BASE64_CODEC)

class Base64_Encode : public Command
   {
   public:
      Base64_Encode() : Command("base64_enc file") {}

      void go() override
         {
         this->read_file(get_arg("file"),
                         [&](const uint8_t b[], size_t l) { output() << Botan::base64_encode(b, l); },
                         768);
         }
   };

BOTAN_REGISTER_COMMAND(Base64_Encode);

class Base64_Decode : public Command
   {
   public:
      Base64_Decode() : Command("base64_dec file") {}

      void go() override
         {
         auto write_bin = [&](const uint8_t b[], size_t l)
            {
            Botan::secure_vector<uint8_t> bin = Botan::base64_decode(reinterpret_cast<const char*>(b), l);
            output().write(reinterpret_cast<const char*>(bin.data()), bin.size());
            };

         this->read_file(get_arg("file"),
                         write_bin,
                         1024);
         }
   };

BOTAN_REGISTER_COMMAND(Base64_Decode);

#endif // base64

#if defined(BOTAN_HAS_BCRYPT)

class Generate_Bcrypt : public Command
   {
   public:
      Generate_Bcrypt() : Command("gen_bcrypt --work-factor=12 password") {}

      void go()
         {
         const std::string password = get_arg("password");
         const size_t wf = get_arg_sz("work_factor");

         Botan::AutoSeeded_RNG rng;
         output() << Botan::generate_bcrypt(password, rng, wf) << "\n";
         }
   };

BOTAN_REGISTER_COMMAND(Generate_Bcrypt);

class Check_Bcrypt : public Command
   {
   public:
      Check_Bcrypt() : Command("check_bcrypt password hash") {}

      void go()
         {
         const std::string password = get_arg("password");
         const std::string hash = get_arg("hash");

         if(hash.length() != 60)
            {
            error_output() << "Note: bcrypt '" << hash << "' has wrong length and cannot be valid\n";
            }

         const bool ok = Botan::check_bcrypt(password, hash);

         output() << "Password is " << (ok ? "valid" : "NOT valid") << std::endl;
         }
   };

BOTAN_REGISTER_COMMAND(Check_Bcrypt);

#endif // bcrypt

}