/src/openssl35/crypto/x509/by_file.c

Source
/*
 * Copyright 1995-2025 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#include <stdio.h>
#include <time.h>
#include <errno.h>

#include "internal/cryptlib.h"
#include <openssl/buffer.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
#include "x509_local.h"

static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc,
    long argl, char **ret);
static int by_file_ctrl_ex(X509_LOOKUP *ctx, int cmd, const char *argc,
    long argl, char **ret, OSSL_LIB_CTX *libctx,
    const char *propq);

static X509_LOOKUP_METHOD x509_file_lookup = {
    "Load file into cache",
    NULL, /* new_item */
    NULL, /* free */
    NULL, /* init */
    NULL, /* shutdown */
    by_file_ctrl, /* ctrl */
    NULL, /* get_by_subject */
    NULL, /* get_by_issuer_serial */
    NULL, /* get_by_fingerprint */
    NULL, /* get_by_alias */
    NULL, /* get_by_subject_ex */
    by_file_ctrl_ex, /* ctrl_ex */
};

X509_LOOKUP_METHOD *X509_LOOKUP_file(void)
{
    return &x509_file_lookup;
}

static int by_file_ctrl_ex(X509_LOOKUP *ctx, int cmd, const char *argp,
    long argl, char **ret, OSSL_LIB_CTX *libctx,
    const char *propq)
{
    int ok = 0;
    const char *file;

    switch (cmd) {
    case X509_L_FILE_LOAD:
        if (argl == X509_FILETYPE_DEFAULT) {
            file = ossl_safe_getenv(X509_get_default_cert_file_env());
            if (file)
                ok = (X509_load_cert_crl_file_ex(ctx, file, X509_FILETYPE_PEM,
                          libctx, propq)
                    != 0);
            else
                ok = (X509_load_cert_crl_file_ex(
                          ctx, X509_get_default_cert_file(),
                          X509_FILETYPE_PEM, libctx, propq)
                    != 0);

            if (!ok)
                ERR_raise(ERR_LIB_X509, X509_R_LOADING_DEFAULTS);
        } else {
            if (argl == X509_FILETYPE_PEM)
                ok = (X509_load_cert_crl_file_ex(ctx, argp, X509_FILETYPE_PEM,
                          libctx, propq)
                    != 0);
            else
                ok = (X509_load_cert_file_ex(ctx, argp, (int)argl, libctx,
                          propq)
                    != 0);
        }
        break;
    }
    return ok;
}

static int by_file_ctrl(X509_LOOKUP *ctx, int cmd,
    const char *argp, long argl, char **ret)
{
    return by_file_ctrl_ex(ctx, cmd, argp, argl, ret, NULL, NULL);
}

int X509_load_cert_file_ex(X509_LOOKUP *ctx, const char *file, int type,
    OSSL_LIB_CTX *libctx, const char *propq)
{
    BIO *in = NULL;
    int count = 0;
    X509 *x = NULL;

    if (file == NULL) {
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
        goto err;
    }

    in = BIO_new(BIO_s_file());

    if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) {
        ERR_raise(ERR_LIB_X509, ERR_R_BIO_LIB);
        goto err;
    }

    x = X509_new_ex(libctx, propq);
    if (x == NULL) {
        ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
        goto err;
    }

    if (type == X509_FILETYPE_PEM) {
        for (;;) {
            ERR_set_mark();
            if (PEM_read_bio_X509_AUX(in, &x, NULL, "") == NULL) {
                if ((ERR_GET_REASON(ERR_peek_last_error()) == PEM_R_NO_START_LINE) && (count > 0)) {
                    ERR_pop_to_mark();
                    break;
                } else {
                    ERR_clear_last_mark();
                    if (count == 0) {
                        ERR_raise(ERR_LIB_X509, X509_R_NO_CERTIFICATE_FOUND);
                    } else {
                        ERR_raise(ERR_LIB_X509, ERR_R_PEM_LIB);
                        count = 0;
                    }
                    goto err;
                }
            }
            ERR_clear_last_mark();
            if (!X509_STORE_add_cert(ctx->store_ctx, x)) {
                count = 0;
                goto err;
            }
            /*
             * X509_STORE_add_cert() added a reference rather than a copy,
             * so we need a fresh X509 object.
             */
            X509_free(x);
            x = X509_new_ex(libctx, propq);
            if (x == NULL) {
                ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
                count = 0;
                goto err;
            }
            count++;
        }
    } else if (type == X509_FILETYPE_ASN1) {
        if (d2i_X509_bio(in, &x) == NULL) {
            ERR_raise(ERR_LIB_X509, X509_R_NO_CERTIFICATE_FOUND);
            goto err;
        }
        count = X509_STORE_add_cert(ctx->store_ctx, x);
    } else {
        ERR_raise(ERR_LIB_X509, X509_R_BAD_X509_FILETYPE);
        goto err;
    }
err:
    X509_free(x);
    BIO_free(in);
    return count;
}

int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type)
{
    return X509_load_cert_file_ex(ctx, file, type, NULL, NULL);
}

int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type)
{
    BIO *in = NULL;
    int count = 0;
    X509_CRL *x = NULL;

    if (file == NULL) {
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
        goto err;
    }

    in = BIO_new(BIO_s_file());

    if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) {
        ERR_raise(ERR_LIB_X509, ERR_R_BIO_LIB);
        goto err;
    }

    if (type == X509_FILETYPE_PEM) {
        for (;;) {
            x = PEM_read_bio_X509_CRL(in, NULL, NULL, "");
            if (x == NULL) {
                if ((ERR_GET_REASON(ERR_peek_last_error()) == PEM_R_NO_START_LINE) && (count > 0)) {
                    ERR_clear_error();
                    break;
                } else {
                    if (count == 0) {
                        ERR_raise(ERR_LIB_X509, X509_R_NO_CRL_FOUND);
                    } else {
                        ERR_raise(ERR_LIB_X509, ERR_R_PEM_LIB);
                        count = 0;
                    }
                    goto err;
                }
            }
            if (!X509_STORE_add_crl(ctx->store_ctx, x)) {
                count = 0;
                goto err;
            }
            count++;
            X509_CRL_free(x);
            x = NULL;
        }
    } else if (type == X509_FILETYPE_ASN1) {
        x = d2i_X509_CRL_bio(in, NULL);
        if (x == NULL) {
            ERR_raise(ERR_LIB_X509, X509_R_NO_CRL_FOUND);
            goto err;
        }
        count = X509_STORE_add_crl(ctx->store_ctx, x);
    } else {
        ERR_raise(ERR_LIB_X509, X509_R_BAD_X509_FILETYPE);
        goto err;
    }
err:
    X509_CRL_free(x);
    BIO_free(in);
    return count;
}

int X509_load_cert_crl_file_ex(X509_LOOKUP *ctx, const char *file, int type,
    OSSL_LIB_CTX *libctx, const char *propq)
{
    STACK_OF(X509_INFO) *inf = NULL;
    X509_INFO *itmp = NULL;
    BIO *in = NULL;
    int i, count = 0;

    if (type != X509_FILETYPE_PEM)
        return X509_load_cert_file_ex(ctx, file, type, libctx, propq);
#if defined(OPENSSL_SYS_WINDOWS)
    in = BIO_new_file(file, "rb");
#else
    in = BIO_new_file(file, "r");
#endif
    if (in == NULL) {
        ERR_raise(ERR_LIB_X509, ERR_R_BIO_LIB);
        return 0;
    }
    inf = PEM_X509_INFO_read_bio_ex(in, NULL, NULL, "", libctx, propq);
    BIO_free(in);
    if (inf == NULL) {
        ERR_raise(ERR_LIB_X509, ERR_R_PEM_LIB);
        return 0;
    }
    for (i = 0; i < sk_X509_INFO_num(inf); i++) {
        itmp = sk_X509_INFO_value(inf, i);
        if (itmp->x509) {
            if (!X509_STORE_add_cert(ctx->store_ctx, itmp->x509)) {
                count = 0;
                goto err;
            }
            count++;
        }
        if (itmp->crl) {
            if (!X509_STORE_add_crl(ctx->store_ctx, itmp->crl)) {
                count = 0;
                goto err;
            }
            count++;
        }
    }
    if (count == 0)
        ERR_raise(ERR_LIB_X509, X509_R_NO_CERTIFICATE_OR_CRL_FOUND);
err:
    sk_X509_INFO_pop_free(inf, X509_INFO_free);
    return count;
}

int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type)
{
    return X509_load_cert_crl_file_ex(ctx, file, type, NULL, NULL);
}

Coverage Report

Created: 2025-12-31 06:58

Line	Count	Source
1		/*
2		* Copyright 1995-2025 The OpenSSL Project Authors. All Rights Reserved.
3		*
4		* Licensed under the Apache License 2.0 (the "License"). You may not use
5		* this file except in compliance with the License. You can obtain a copy
6		* in the file LICENSE in the source distribution or at
7		* https://www.openssl.org/source/license.html
8		*/
9
10		#include <stdio.h>
11		#include <time.h>
12		#include <errno.h>
13
14		#include "internal/cryptlib.h"
15		#include <openssl/buffer.h>
16		#include <openssl/x509.h>
17		#include <openssl/pem.h>
18		#include "x509_local.h"
19
20		static int by_file_ctrl(X509_LOOKUP ctx, int cmd, const char argc,
21		long argl, char **ret);
22		static int by_file_ctrl_ex(X509_LOOKUP ctx, int cmd, const char argc,
23		long argl, char *ret, OSSL_LIB_CTX libctx,
24		const char *propq);
25
26		static X509_LOOKUP_METHOD x509_file_lookup = {
27		"Load file into cache",
28		NULL, /* new_item */
29		NULL, /* free */
30		NULL, /* init */
31		NULL, /* shutdown */
32		by_file_ctrl, /* ctrl */
33		NULL, /* get_by_subject */
34		NULL, /* get_by_issuer_serial */
35		NULL, /* get_by_fingerprint */
36		NULL, /* get_by_alias */
37		NULL, /* get_by_subject_ex */
38		by_file_ctrl_ex, /* ctrl_ex */
39		};
40
41		X509_LOOKUP_METHOD *X509_LOOKUP_file(void)
42	0	{
43	0	return &x509_file_lookup;
44	0	}
45
46		static int by_file_ctrl_ex(X509_LOOKUP ctx, int cmd, const char argp,
47		long argl, char *ret, OSSL_LIB_CTX libctx,
48		const char *propq)
49	0	{
50	0	int ok = 0;
51	0	const char *file;
52
53	0	switch (cmd) {
54	0	case X509_L_FILE_LOAD:
55	0	if (argl == X509_FILETYPE_DEFAULT) {
56	0	file = ossl_safe_getenv(X509_get_default_cert_file_env());
57	0	if (file)
58	0	ok = (X509_load_cert_crl_file_ex(ctx, file, X509_FILETYPE_PEM,
59	0	libctx, propq)
60	0	!= 0);
61	0	else
62	0	ok = (X509_load_cert_crl_file_ex(
63	0	ctx, X509_get_default_cert_file(),
64	0	X509_FILETYPE_PEM, libctx, propq)
65	0	!= 0);
66
67	0	if (!ok)
68	0	ERR_raise(ERR_LIB_X509, X509_R_LOADING_DEFAULTS);
69	0	} else {
70	0	if (argl == X509_FILETYPE_PEM)
71	0	ok = (X509_load_cert_crl_file_ex(ctx, argp, X509_FILETYPE_PEM,
72	0	libctx, propq)
73	0	!= 0);
74	0	else
75	0	ok = (X509_load_cert_file_ex(ctx, argp, (int)argl, libctx,
76	0	propq)
77	0	!= 0);
78	0	}
79	0	break;
80	0	}
81	0	return ok;
82	0	}
83
84		static int by_file_ctrl(X509_LOOKUP *ctx, int cmd,
85		const char argp, long argl, char *ret)
86	0	{
87	0	return by_file_ctrl_ex(ctx, cmd, argp, argl, ret, NULL, NULL);
88	0	}
89
90		int X509_load_cert_file_ex(X509_LOOKUP ctx, const char file, int type,
91		OSSL_LIB_CTX libctx, const char propq)
92	0	{
93	0	BIO *in = NULL;
94	0	int count = 0;
95	0	X509 *x = NULL;
96
97	0	if (file == NULL) {
98	0	ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
99	0	goto err;
100	0	}
101
102	0	in = BIO_new(BIO_s_file());
103
104	0	if ((in == NULL) \|\| (BIO_read_filename(in, file) <= 0)) {
105	0	ERR_raise(ERR_LIB_X509, ERR_R_BIO_LIB);
106	0	goto err;
107	0	}
108
109	0	x = X509_new_ex(libctx, propq);
110	0	if (x == NULL) {
111	0	ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
112	0	goto err;
113	0	}
114
115	0	if (type == X509_FILETYPE_PEM) {
116	0	for (;;) {
117	0	ERR_set_mark();
118	0	if (PEM_read_bio_X509_AUX(in, &x, NULL, "") == NULL) {
119	0	if ((ERR_GET_REASON(ERR_peek_last_error()) == PEM_R_NO_START_LINE) && (count > 0)) {
120	0	ERR_pop_to_mark();
121	0	break;
122	0	} else {
123	0	ERR_clear_last_mark();
124	0	if (count == 0) {
125	0	ERR_raise(ERR_LIB_X509, X509_R_NO_CERTIFICATE_FOUND);
126	0	} else {
127	0	ERR_raise(ERR_LIB_X509, ERR_R_PEM_LIB);
128	0	count = 0;
129	0	}
130	0	goto err;
131	0	}
132	0	}
133	0	ERR_clear_last_mark();
134	0	if (!X509_STORE_add_cert(ctx->store_ctx, x)) {
135	0	count = 0;
136	0	goto err;
137	0	}
138		/*
139		* X509_STORE_add_cert() added a reference rather than a copy,
140		* so we need a fresh X509 object.
141		*/
142	0	X509_free(x);
143	0	x = X509_new_ex(libctx, propq);
144	0	if (x == NULL) {
145	0	ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
146	0	count = 0;
147	0	goto err;
148	0	}
149	0	count++;
150	0	}
151	0	} else if (type == X509_FILETYPE_ASN1) {
152	0	if (d2i_X509_bio(in, &x) == NULL) {
153	0	ERR_raise(ERR_LIB_X509, X509_R_NO_CERTIFICATE_FOUND);
154	0	goto err;
155	0	}
156	0	count = X509_STORE_add_cert(ctx->store_ctx, x);
157	0	} else {
158	0	ERR_raise(ERR_LIB_X509, X509_R_BAD_X509_FILETYPE);
159	0	goto err;
160	0	}
161	0	err:
162	0	X509_free(x);
163	0	BIO_free(in);
164	0	return count;
165	0	}
166
167		int X509_load_cert_file(X509_LOOKUP ctx, const char file, int type)
168	0	{
169	0	return X509_load_cert_file_ex(ctx, file, type, NULL, NULL);
170	0	}
171
172		int X509_load_crl_file(X509_LOOKUP ctx, const char file, int type)
173	0	{
174	0	BIO *in = NULL;
175	0	int count = 0;
176	0	X509_CRL *x = NULL;
177
178	0	if (file == NULL) {
179	0	ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
180	0	goto err;
181	0	}
182
183	0	in = BIO_new(BIO_s_file());
184
185	0	if ((in == NULL) \|\| (BIO_read_filename(in, file) <= 0)) {
186	0	ERR_raise(ERR_LIB_X509, ERR_R_BIO_LIB);
187	0	goto err;
188	0	}
189
190	0	if (type == X509_FILETYPE_PEM) {
191	0	for (;;) {
192	0	x = PEM_read_bio_X509_CRL(in, NULL, NULL, "");
193	0	if (x == NULL) {
194	0	if ((ERR_GET_REASON(ERR_peek_last_error()) == PEM_R_NO_START_LINE) && (count > 0)) {
195	0	ERR_clear_error();
196	0	break;
197	0	} else {
198	0	if (count == 0) {
199	0	ERR_raise(ERR_LIB_X509, X509_R_NO_CRL_FOUND);
200	0	} else {
201	0	ERR_raise(ERR_LIB_X509, ERR_R_PEM_LIB);
202	0	count = 0;
203	0	}
204	0	goto err;
205	0	}
206	0	}
207	0	if (!X509_STORE_add_crl(ctx->store_ctx, x)) {
208	0	count = 0;
209	0	goto err;
210	0	}
211	0	count++;
212	0	X509_CRL_free(x);
213	0	x = NULL;
214	0	}
215	0	} else if (type == X509_FILETYPE_ASN1) {
216	0	x = d2i_X509_CRL_bio(in, NULL);
217	0	if (x == NULL) {
218	0	ERR_raise(ERR_LIB_X509, X509_R_NO_CRL_FOUND);
219	0	goto err;
220	0	}
221	0	count = X509_STORE_add_crl(ctx->store_ctx, x);
222	0	} else {
223	0	ERR_raise(ERR_LIB_X509, X509_R_BAD_X509_FILETYPE);
224	0	goto err;
225	0	}
226	0	err:
227	0	X509_CRL_free(x);
228	0	BIO_free(in);
229	0	return count;
230	0	}
231
232		int X509_load_cert_crl_file_ex(X509_LOOKUP ctx, const char file, int type,
233		OSSL_LIB_CTX libctx, const char propq)
234	0	{
235	0	STACK_OF(X509_INFO) *inf = NULL;
236	0	X509_INFO *itmp = NULL;
237	0	BIO *in = NULL;
238	0	int i, count = 0;
239
240	0	if (type != X509_FILETYPE_PEM)
241	0	return X509_load_cert_file_ex(ctx, file, type, libctx, propq);
242		#if defined(OPENSSL_SYS_WINDOWS)
243		in = BIO_new_file(file, "rb");
244		#else
245	0	in = BIO_new_file(file, "r");
246	0	#endif
247	0	if (in == NULL) {
248	0	ERR_raise(ERR_LIB_X509, ERR_R_BIO_LIB);
249	0	return 0;
250	0	}
251	0	inf = PEM_X509_INFO_read_bio_ex(in, NULL, NULL, "", libctx, propq);
252	0	BIO_free(in);
253	0	if (inf == NULL) {
254	0	ERR_raise(ERR_LIB_X509, ERR_R_PEM_LIB);
255	0	return 0;
256	0	}
257	0	for (i = 0; i < sk_X509_INFO_num(inf); i++) {
258	0	itmp = sk_X509_INFO_value(inf, i);
259	0	if (itmp->x509) {
260	0	if (!X509_STORE_add_cert(ctx->store_ctx, itmp->x509)) {
261	0	count = 0;
262	0	goto err;
263	0	}
264	0	count++;
265	0	}
266	0	if (itmp->crl) {
267	0	if (!X509_STORE_add_crl(ctx->store_ctx, itmp->crl)) {
268	0	count = 0;
269	0	goto err;
270	0	}
271	0	count++;
272	0	}
273	0	}
274	0	if (count == 0)
275	0	ERR_raise(ERR_LIB_X509, X509_R_NO_CERTIFICATE_OR_CRL_FOUND);
276	0	err:
277	0	sk_X509_INFO_pop_free(inf, X509_INFO_free);
278	0	return count;
279	0	}
280
281		int X509_load_cert_crl_file(X509_LOOKUP ctx, const char file, int type)
282	0	{
283	0	return X509_load_cert_crl_file_ex(ctx, file, type, NULL, NULL);
284	0	}