Mix/Src/pgptest.c

/* PGP module test */

/* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF
   ANY KIND, either express or implied. See the file COPYRIGHT for
   details. */

#include "mix3.h"
#include "pgp.h"
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <assert.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <time.h>
#include <fcntl.h>
#ifdef POSIX
#include <unistd.h>
#include <termios.h>
#endif

int pass(BUFFER *b)
{
  char p[LINELEN];
  int fd;
  int n;

#ifdef HAVE_TERMIOS
  struct termios attr;
#endif

  fprintf(stderr, "enter passphrase: ");
  fflush(stderr);
#ifdef HAVE_TERMIOS
  fd = open("/dev/tty", O_RDONLY);
  if (tcgetattr(fd, &attr) != 0)
    return (-1);
  attr.c_lflag &= ~ECHO;
  attr.c_lflag |= ICANON;
  if (tcsetattr(fd, TCSAFLUSH, &attr) != 0)
    return (-1);
  n = read(fd, p, LINELEN);

  attr.c_lflag |= ECHO;
  if (tcsetattr(fd, TCSAFLUSH, &attr) != 0)
    return (-1);
  close(fd);
  p[n - 1] = 0;

#else
  fgets(p, LINELEN, stdin);
  if (p[strlen(p)-1]=='\n')
    p[strlen(p)-1] = 0;
#endif

  fprintf(stderr, "\n");
  buf_appends(b, p);
  return (0);
}

void usage(char *n)
{
  fprintf(stderr, "Usage: %s -e [-b] user@domain\n", n);
  fprintf(stderr, "       %s -s [-b] [yourname@domain]\n", n);
  fprintf(stderr, "       %s -c [-b]\n", n);
  fprintf(stderr, "       %s -C [-b]\n", n);
  fprintf(stderr, "       %s -d [passphrase]\n", n);
  fprintf(stderr, "       %s -g[r] yourname@domain [bits]\n", n);
  fprintf(stderr, "       %s -a[+-] [-b]\n\n", n);
  fprintf(stderr, "PGP public key ring: %s\n", PGPPUBRING);
  fprintf(stderr, "PGP secret key ring: %s\n", PGPSECRING);
}

int decrypt(BUFFER *u, BUFFER *option, char *n)
{
  BUFFER *v;
  BUFFER *sig;
  int err = 0;

  v = buf_new();
  sig = buf_new();

  buf_set(v, u);
  err = pgp_decrypt(v, NULL, sig, PGPPUBRING, PGPSECRING);
  if (err >= 0 || err == PGP_SIGBAD)
    buf_move(u, v);

  if (err == PGP_ERR) {
    pass(option);
    err = pgp_decrypt(u, option, sig, PGPPUBRING, PGPSECRING);
  }
  switch (err) {
  case PGP_NOMSG:
    fprintf(stderr, "%s: Not a PGP message.\n", n);
    break;
  case PGP_ERR:
    fprintf(stderr, "%s: Can't read message.\n", n);
    break;
  case PGP_SIGOK:
    fprintf(stderr, "%s: Valid signature: %s\n", n, sig->data);
    err = 0;
    break;
  case PGP_SIGNKEY:
    fprintf(stderr, "%s: Unknown signature key %s, cannot verify.\n", n, sig->data);
    err = 1;
    break;
  case PGP_SIGBAD:
    fprintf(stderr, "%s: Bad signature.\n", n);
    err = 1;
    break;
  }

  buf_free(v);
  buf_free(sig);

  return (err);
}

int main(int argc, char *argv[])
{
  BUFFER *u, *option, *pp;
  char *filename = NULL;
  char *cmd = NULL;
  int text = 1;
  int err = 99;
  int bits = 0;

  mix_init(NULL);
  VERBOSE = 3;

  u = buf_new();
  option = buf_new();
  pp = buf_new();

  if (argc > 1 && argv[1][0] == '-')
    cmd = argv[1];

  if (argc == 1 || (cmd > 0 && (cmd[1] == 'e' || cmd[1] == 'c' ||
                                cmd[1] == 'd' || cmd[1] == 'a' ||
                                cmd[1] == 's' || cmd[1] == 'C'))) {
    if ((argc > 2 && (cmd == NULL || cmd[1] == 'a')) || argc > 3) {
      FILE *f;

      f = fopen(argv[argc - 1], "rb");
      if (f == NULL) {
        fprintf(stderr, "%s: Can't open %s\n", argv[0], argv[argc - 1]);
        err = -1;
      } else {
        buf_read(u, f);
        fclose(f);
        filename = argv[argc - 1];
        argc--;
      }
    } else
      buf_read(u, stdin);
  }
  if (argc == 1)
    err = decrypt(u, option, argv[0]);

  if (argc > 2 && argv[2][0] == '-' && argv[2][1] == 'b') {
    text = 0;
    if (argc > 3)
      buf_appends(option, argv[3]);
  } else if (argc > 2)
    buf_appends(option, argv[2]);

  if (cmd)
    switch (cmd[1]) {
    case 's':
      err = pgp_encrypt(PGP_SIGN | (text ? PGP_TEXT : 0), u, NULL, option,
                        NULL, PGPPUBRING, PGPSECRING);
      if (err != 0) {
        pass(pp);
        err = pgp_encrypt(PGP_SIGN | (text ? PGP_TEXT : 0), u, NULL, option,
                          pp, PGPPUBRING, PGPSECRING);
      }
      if (err != 0)
        fprintf(stderr, "Error.\n");
      break;
    case 'e':
      if (option->length) {
        err = pgp_encrypt(PGP_ENCRYPT | (text ? PGP_TEXT : 0), u, option, NULL,
                          NULL, PGPPUBRING, PGPSECRING);
        if (err < 0)
          fprintf(stderr, "%s: can't encrypt message for %s\n",
                  argv[0], argv[2]);
      }
      break;
    case 'c':
      pass(option);
      err = pgp_encrypt(PGP_CONVENTIONAL | (text ? PGP_TEXT : 0), u, option,
                        NULL, NULL, PGPPUBRING, PGPSECRING);
      if (err < 0)
        fprintf(stderr, "%s: can't encrypt message\n", argv[0]);
      break;
    case 'C':
      pass(option);
      err = pgp_encrypt(PGP_NCONVENTIONAL | (text ? PGP_TEXT : 0), u, option,
                        NULL, NULL, PGPPUBRING, PGPSECRING);
      if (err < 0)
        fprintf(stderr, "%s: can't encrypt message\n", argv[0]);
      break;
    case 'g':
      if (argc < 3) {
        err = 99;
        goto end;
      }
      pass(pp);
      if (argc == 4)
        sscanf(argv[3], "%d", &bits);
      err = pgp_keygen(cmd[2] == 'r' ? PGP_ES_RSA : PGP_E_ELG,
                       bits, option, pp, PGPPUBRING, PGPSECRING, 0);
      break;
    case 'a':
      switch (cmd[2]) {
      case '-':
        err = pgp_dearmor(u, u);
        if (err == -1)
          fprintf(stderr, "Not a PGP-armored message\n");
        goto end;
      case '+':
        break;
      default:
        pgp_literal(u, filename, text);
        pgp_compress(u);
        break;
      }
      err = pgp_armor(u, PGP_ARMOR_NORMAL);
      break;
    case 'd':
      err = decrypt(u, option, argv[0]);
      break;
    }
end:
  if (err == 99)
    usage(argv[0]);

  if (err >= 0)
    buf_write(u, stdout);

  buf_free(option);
  buf_free(pp);
  buf_free(u);

  mix_exit();
  return (err == -1 ? 1 : err);
}
1	rabbi	1	/* PGP module test */
2
3			/* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF
4			ANY KIND, either express or implied. See the file COPYRIGHT for
5			details. */
6
7			#include "mix3.h"
8			#include "pgp.h"
9			#include <stdlib.h>
10			#include <string.h>
11			#include <fcntl.h>
12			#include <assert.h>
13			#include <sys/types.h>
14			#include <sys/stat.h>
15			#include <time.h>
16			#include <fcntl.h>
17			#ifdef POSIX
18			#include <unistd.h>
19			#include <termios.h>
20			#endif
21
22			int pass(BUFFER *b)
23			{
24			char p[LINELEN];
25			int fd;
26			int n;
27
28			#ifdef HAVE_TERMIOS
29			struct termios attr;
30			#endif
31
32			fprintf(stderr, "enter passphrase: ");
33			fflush(stderr);
34			#ifdef HAVE_TERMIOS
35			fd = open("/dev/tty", O_RDONLY);
36			if (tcgetattr(fd, &attr) != 0)
37			return (-1);
38			attr.c_lflag &= ~ECHO;
39			attr.c_lflag \|= ICANON;
40			if (tcsetattr(fd, TCSAFLUSH, &attr) != 0)
41			return (-1);
42			n = read(fd, p, LINELEN);
43
44			attr.c_lflag \|= ECHO;
45			if (tcsetattr(fd, TCSAFLUSH, &attr) != 0)
46			return (-1);
47			close(fd);
48			p[n - 1] = 0;
49
50			#else
51			fgets(p, LINELEN, stdin);
52	weaselp	132	if (p[strlen(p)-1]=='\n')
53			p[strlen(p)-1] = 0;
54	rabbi	1	#endif
55
56			fprintf(stderr, "\n");
57			buf_appends(b, p);
58			return (0);
59			}
60
61			void usage(char *n)
62			{
63			fprintf(stderr, "Usage: %s -e [-b] user@domain\n", n);
64			fprintf(stderr, " %s -s [-b] [yourname@domain]\n", n);
65			fprintf(stderr, " %s -c [-b]\n", n);
66	rabbi	306	fprintf(stderr, " %s -C [-b]\n", n);
67	rabbi	1	fprintf(stderr, " %s -d [passphrase]\n", n);
68			fprintf(stderr, " %s -g[r] yourname@domain [bits]\n", n);
69			fprintf(stderr, " %s -a[+-] [-b]\n\n", n);
70			fprintf(stderr, "PGP public key ring: %s\n", PGPPUBRING);
71			fprintf(stderr, "PGP secret key ring: %s\n", PGPSECRING);
72			}
73
74			int decrypt(BUFFER u, BUFFER option, char *n)
75			{
76			BUFFER *v;
77			BUFFER *sig;
78			int err = 0;
79
80			v = buf_new();
81			sig = buf_new();
82
83			buf_set(v, u);
84			err = pgp_decrypt(v, NULL, sig, PGPPUBRING, PGPSECRING);
85			if (err >= 0 \|\| err == PGP_SIGBAD)
86			buf_move(u, v);
87
88			if (err == PGP_ERR) {
89			pass(option);
90			err = pgp_decrypt(u, option, sig, PGPPUBRING, PGPSECRING);
91			}
92			switch (err) {
93			case PGP_NOMSG:
94			fprintf(stderr, "%s: Not a PGP message.\n", n);
95			break;
96			case PGP_ERR:
97			fprintf(stderr, "%s: Can't read message.\n", n);
98			break;
99			case PGP_SIGOK:
100			fprintf(stderr, "%s: Valid signature: %s\n", n, sig->data);
101			err = 0;
102			break;
103			case PGP_SIGNKEY:
104			fprintf(stderr, "%s: Unknown signature key %s, cannot verify.\n", n, sig->data);
105			err = 1;
106			break;
107			case PGP_SIGBAD:
108			fprintf(stderr, "%s: Bad signature.\n", n);
109			err = 1;
110			break;
111			}
112
113			buf_free(v);
114			buf_free(sig);
115
116			return (err);
117			}
118
119			int main(int argc, char *argv[])
120			{
121			BUFFER u, option, *pp;
122			char *filename = NULL;
123			char *cmd = NULL;
124			int text = 1;
125			int err = 99;
126			int bits = 0;
127
128			mix_init(NULL);
129			VERBOSE = 3;
130
131			u = buf_new();
132			option = buf_new();
133			pp = buf_new();
134
135			if (argc > 1 && argv[1][0] == '-')
136			cmd = argv[1];
137
138			if (argc == 1 \|\| (cmd > 0 && (cmd[1] == 'e' \|\| cmd[1] == 'c' \|\|
139			cmd[1] == 'd' \|\| cmd[1] == 'a' \|\|
140			cmd[1] == 's' \|\| cmd[1] == 'C'))) {
141			if ((argc > 2 && (cmd == NULL \|\| cmd[1] == 'a')) \|\| argc > 3) {
142			FILE *f;
143
144			f = fopen(argv[argc - 1], "rb");
145			if (f == NULL) {
146			fprintf(stderr, "%s: Can't open %s\n", argv[0], argv[argc - 1]);
147			err = -1;
148			} else {
149			buf_read(u, f);
150			fclose(f);
151			filename = argv[argc - 1];
152			argc--;
153			}
154			} else
155			buf_read(u, stdin);
156			}
157			if (argc == 1)
158			err = decrypt(u, option, argv[0]);
159
160			if (argc > 2 && argv[2][0] == '-' && argv[2][1] == 'b') {
161			text = 0;
162			if (argc > 3)
163			buf_appends(option, argv[3]);
164			} else if (argc > 2)
165			buf_appends(option, argv[2]);
166
167			if (cmd)
168			switch (cmd[1]) {
169			case 's':
170			err = pgp_encrypt(PGP_SIGN \| (text ? PGP_TEXT : 0), u, NULL, option,
171			NULL, PGPPUBRING, PGPSECRING);
172			if (err != 0) {
173			pass(pp);
174			err = pgp_encrypt(PGP_SIGN \| (text ? PGP_TEXT : 0), u, NULL, option,
175			pp, PGPPUBRING, PGPSECRING);
176			}
177			if (err != 0)
178			fprintf(stderr, "Error.\n");
179			break;
180			case 'e':
181			if (option->length) {
182			err = pgp_encrypt(PGP_ENCRYPT \| (text ? PGP_TEXT : 0), u, option, NULL,
183			NULL, PGPPUBRING, PGPSECRING);
184			if (err < 0)
185			fprintf(stderr, "%s: can't encrypt message for %s\n",
186			argv[0], argv[2]);
187			}
188			break;
189			case 'c':
190			pass(option);
191			err = pgp_encrypt(PGP_CONVENTIONAL \| (text ? PGP_TEXT : 0), u, option,
192			NULL, NULL, PGPPUBRING, PGPSECRING);
193			if (err < 0)
194			fprintf(stderr, "%s: can't encrypt message\n", argv[0]);
195			break;
196			case 'C':
197			pass(option);
198			err = pgp_encrypt(PGP_NCONVENTIONAL \| (text ? PGP_TEXT : 0), u, option,
199			NULL, NULL, PGPPUBRING, PGPSECRING);
200			if (err < 0)
201			fprintf(stderr, "%s: can't encrypt message\n", argv[0]);
202			break;
203			case 'g':
204			if (argc < 3) {
205			err = 99;
206			goto end;
207			}
208			pass(pp);
209			if (argc == 4)
210			sscanf(argv[3], "%d", &bits);
211			err = pgp_keygen(cmd[2] == 'r' ? PGP_ES_RSA : PGP_E_ELG,
212			bits, option, pp, PGPPUBRING, PGPSECRING, 0);
213			break;
214			case 'a':
215			switch (cmd[2]) {
216			case '-':
217			err = pgp_dearmor(u, u);
218			if (err == -1)
219			fprintf(stderr, "Not a PGP-armored message\n");
220			goto end;
221			case '+':
222			break;
223			default:
224			pgp_literal(u, filename, text);
225			pgp_compress(u);
226			break;
227			}
228	rabbi	306	err = pgp_armor(u, PGP_ARMOR_NORMAL);
229	rabbi	1	break;
230			case 'd':
231			err = decrypt(u, option, argv[0]);
232			break;
233			}
234			end:
235			if (err == 99)
236			usage(argv[0]);
237
238			if (err >= 0)
239			buf_write(u, stdout);
240
241			buf_free(option);
242			buf_free(pp);
243			buf_free(u);
244
245			mix_exit();
246			return (err == -1 ? 1 : err);
247			}