Commit | Line | Data |
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d7ab1bab | 1 | /* -*-c-*- |
d7ab1bab | 2 | * |
3 | * Where the fun begins | |
4 | * | |
5 | * (c) 2004 Straylight/Edgeware | |
6 | */ | |
7 | ||
b2687a0a | 8 | /*----- Licensing notice --------------------------------------------------* |
d7ab1bab | 9 | * |
10 | * This file is part of the Python interface to Catacomb. | |
11 | * | |
12 | * Catacomb/Python is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public License as published by | |
14 | * the Free Software Foundation; either version 2 of the License, or | |
15 | * (at your option) any later version. | |
b2687a0a | 16 | * |
d7ab1bab | 17 | * Catacomb/Python is distributed in the hope that it will be useful, |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
b2687a0a | 21 | * |
d7ab1bab | 22 | * You should have received a copy of the GNU General Public License |
23 | * along with Catacomb/Python; if not, write to the Free Software Foundation, | |
24 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
25 | */ | |
26 | ||
27 | /*----- Header files ------------------------------------------------------*/ | |
28 | ||
29 | #include "catacomb-python.h" | |
30 | ||
31 | /*----- Main code ---------------------------------------------------------*/ | |
32 | ||
11cb3d97 | 33 | static const struct nameval consts[] = { |
9044246b MW |
34 | #define CF(f, x) { #x, f, x } |
35 | #define C(x) { #x, (x) >= 0 ? 0 : CF_SIGNED, x } | |
11cb3d97 MW |
36 | C(FTY_PRIME), C(FTY_BINARY), |
37 | C(PGEN_PASS), C(PGEN_FAIL), C(PGEN_BEGIN), C(PGEN_TRY), C(PGEN_DONE), | |
38 | C(PGEN_ABORT), | |
39 | C(MPW_MAX), | |
7206d4d5 | 40 | C(RAND_IBITS), |
11cb3d97 MW |
41 | C(PMODE_READ), C(PMODE_VERIFY), |
42 | C(KOPEN_READ), C(KOPEN_WRITE), C(KOPEN_NOFILE), | |
9044246b | 43 | CF(0, KEXP_FOREVER), CF(0, KEXP_EXPIRE), |
11cb3d97 MW |
44 | C(KF_ENCMASK), C(KENC_BINARY), C(KENC_MP), C(KENC_STRUCT), |
45 | C(KENC_ENCRYPT), C(KENC_STRING), C(KENC_EC), | |
46 | C(KF_CATMASK), C(KCAT_SYMM), C(KCAT_PRIV), C(KCAT_PUB), C(KCAT_SHARE), | |
47 | C(KF_NONSECRET), | |
48 | C(KF_BURN), C(KF_OPT), | |
e12df5f3 | 49 | C(EC_XONLY), C(EC_YBIT), C(EC_LSB), C(EC_CMPR), C(EC_EXPLY), C(EC_SORT), |
848ba392 | 50 | C(X25519_KEYSZ), C(X25519_PUBSZ), C(X25519_OUTSZ), |
eb8aa4ec | 51 | C(X448_KEYSZ), C(X448_PUBSZ), C(X448_OUTSZ), |
dafb2da4 | 52 | C(ED25519_KEYSZ), C(ED25519_PUBSZ), C(ED25519_SIGSZ), |
5c4c0231 | 53 | C(ED25519_MAXPERSOSZ), |
eee202c3 | 54 | C(ED448_KEYSZ), C(ED448_PUBSZ), C(ED448_SIGSZ), C(ED448_MAXPERSOSZ), |
46e6ad89 | 55 | #define ENTRY(tag, val, str) C(KERR_##tag), |
11cb3d97 | 56 | KEY_ERRORS(ENTRY) |
46e6ad89 | 57 | #undef ENTRY |
d7ab1bab | 58 | #undef C |
9044246b | 59 | #undef CF |
11cb3d97 MW |
60 | { 0 } |
61 | }; | |
d7ab1bab | 62 | |
63 | PyObject *mexp_common(PyObject *me, PyObject *arg, | |
64 | size_t efsz, | |
65 | PyObject *(*id)(PyObject *), | |
66 | int (*fill)(void *, PyObject *, | |
67 | PyObject *, PyObject *), | |
68 | PyObject *(*exp)(PyObject *, void *, int), | |
69 | void (*drop)(void *)) | |
70 | { | |
71 | int i = 0, j, n, flat; | |
72 | PyObject *qq, *x, *y, *z = 0; | |
73 | char *v = 0, *vv; | |
74 | ||
75 | if (PyTuple_Size(arg) == 1) | |
76 | arg = PyTuple_GetItem(arg, 0); | |
77 | Py_INCREF(arg); | |
78 | if (!PySequence_Check(arg)) TYERR("not a sequence"); | |
79 | n = PySequence_Size(arg); if (!n) { z = id(me); goto end; } | |
80 | x = PySequence_GetItem(arg, 0); | |
81 | if (PySequence_Check(x)) | |
82 | flat = 0; | |
83 | else { | |
84 | if (n % 2) VALERR("must have even number of arguments"); | |
85 | n /= 2; | |
86 | flat = 1; | |
87 | } | |
88 | Py_DECREF(x); | |
89 | ||
90 | v = xmalloc(n * efsz); | |
91 | for (i = j = 0, vv = v; i < n; i++, vv += efsz) { | |
92 | if (flat) { | |
93 | x = PySequence_GetItem(arg, j++); | |
94 | y = PySequence_GetItem(arg, j++); | |
95 | } else { | |
96 | qq = PySequence_GetItem(arg, j++); | |
97 | if (!qq) goto end; | |
98 | if (!PySequence_Check(qq) || PySequence_Size(qq) != 2) { | |
99 | Py_DECREF(qq); | |
100 | TYERR("want a sequence of pairs"); | |
101 | } | |
102 | x = PySequence_GetItem(qq, 0); | |
103 | y = PySequence_GetItem(qq, 1); | |
104 | Py_DECREF(qq); | |
105 | } | |
106 | if (!x || !y) goto end; | |
107 | if (fill(vv, me, x, y)) { | |
108 | Py_DECREF(x); | |
109 | Py_DECREF(y); | |
110 | if (!PyErr_Occurred()) | |
111 | PyErr_SetString(PyExc_TypeError, "type mismatch"); | |
112 | goto end; | |
113 | } | |
114 | Py_DECREF(x); | |
115 | Py_DECREF(y); | |
116 | } | |
117 | z = exp(me, v, n); | |
118 | ||
119 | end: | |
120 | if (v) { | |
121 | for (j = 0, vv = v; j < i; j++, vv += efsz) | |
122 | drop(vv); | |
123 | xfree(v); | |
124 | } | |
125 | Py_DECREF(arg); | |
126 | return (z); | |
127 | } | |
128 | ||
d7ab1bab | 129 | static PyObject *smallprimes(void) |
130 | { | |
131 | PyObject *v = PyList_New(NPRIME); | |
132 | int i; | |
133 | ||
134 | for (i = 0; i < NPRIME; i++) | |
135 | PyList_SetItem(v, i, PyInt_FromLong(primetab[i])); | |
136 | return (v); | |
137 | } | |
138 | ||
46e6ad89 | 139 | static PyObject *meth__ego(PyObject *me, PyObject *arg) |
140 | { | |
141 | char *argv0; | |
142 | if (!PyArg_ParseTuple(arg, "s:_ego", &argv0)) | |
143 | return (0); | |
144 | if (strcmp(QUIS, "<UNNAMED>") == 0) | |
145 | ego(argv0); | |
146 | RETURN_NONE; | |
147 | } | |
148 | ||
149 | static PyMethodDef methods[] = { | |
150 | #define METHNAME(func) meth_##func | |
151 | METH (_ego, "_ego(ARGV0)") | |
152 | #undef METHNAME | |
153 | { 0 } | |
154 | }; | |
155 | ||
bb87b97a MW |
156 | static void init_random(void) |
157 | { | |
158 | #if PY_MAJOR_VERSION >= 3 || (PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION >= 6) | |
159 | char *seed; | |
160 | uint32 r; | |
161 | ||
162 | if (!Py_HashRandomizationFlag) return; | |
163 | seed = getenv("PYTHONHASHSEED"); | |
164 | if (!seed || strcmp(seed, "random") == 0) r = GR_WORD(&rand_global); | |
165 | else r = strtoul(seed, 0, 0); | |
166 | if (!r) r = 0xe011f220; /* zero doesn't work well */ | |
167 | unihash_setkey(&unihash_global, r); | |
168 | #endif | |
169 | } | |
170 | ||
11cb3d97 MW |
171 | void init_base(void) |
172 | { | |
d7ab1bab | 173 | PyObject *mod; |
46e6ad89 | 174 | addmethods(methods); |
d7ab1bab | 175 | INIT_MODULES; |
bb87b97a | 176 | init_random(); |
11cb3d97 | 177 | mod = Py_InitModule("catacomb._base", donemethods()); |
d7ab1bab | 178 | INSERT_MODULES; |
179 | INSERT("smallprimes", smallprimes()); | |
11cb3d97 | 180 | setconstants(mod, consts); |
d7ab1bab | 181 | } |
182 | ||
183 | /*----- That's all, folks -------------------------------------------------*/ |