/src/openssl30/crypto/x509/by_file.c

Source
/*
 * Copyright 1995-2021 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)
{
    int ret = 0;
    BIO *in = NULL;
    int i, count = 0;
    X509 *x = NULL;

    in = BIO_new(BIO_s_file());

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

    if (type != X509_FILETYPE_PEM && type != X509_FILETYPE_ASN1) {
        ERR_raise(ERR_LIB_X509, X509_R_BAD_X509_FILETYPE);
        goto err;
    }
    x = X509_new_ex(libctx, propq);
    if (x == NULL) {
        ERR_raise(ERR_LIB_X509, ERR_R_MALLOC_FAILURE);
        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();
                    goto err;
                }
            }
            ERR_clear_last_mark();
            i = X509_STORE_add_cert(ctx->store_ctx, x);
            if (!i)
                goto err;
            count++;
            X509_free(x);
            x = NULL;
        }
        ret = count;
    } else if (type == X509_FILETYPE_ASN1) {
        if (d2i_X509_bio(in, &x) == NULL) {
            ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
            goto err;
        }
        i = X509_STORE_add_cert(ctx->store_ctx, x);
        if (!i)
            goto err;
        ret = i;
    }
    if (ret == 0)
        ERR_raise(ERR_LIB_X509, X509_R_NO_CERTIFICATE_FOUND);
err:
    X509_free(x);
    BIO_free(in);
    return ret;
}

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)
{
    int ret = 0;
    BIO *in = NULL;
    int i, count = 0;
    X509_CRL *x = NULL;

    in = BIO_new(BIO_s_file());

    if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) {
        ERR_raise(ERR_LIB_X509, ERR_R_SYS_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 {
                    ERR_raise(ERR_LIB_X509, ERR_R_PEM_LIB);
                    goto err;
                }
            }
            i = X509_STORE_add_crl(ctx->store_ctx, x);
            if (!i)
                goto err;
            count++;
            X509_CRL_free(x);
            x = NULL;
        }
        ret = count;
    } else if (type == X509_FILETYPE_ASN1) {
        x = d2i_X509_CRL_bio(in, NULL);
        if (x == NULL) {
            ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
            goto err;
        }
        i = X509_STORE_add_crl(ctx->store_ctx, x);
        if (!i)
            goto err;
        ret = i;
    } else {
        ERR_raise(ERR_LIB_X509, X509_R_BAD_X509_FILETYPE);
        goto err;
    }
    if (ret == 0)
        ERR_raise(ERR_LIB_X509, X509_R_NO_CRL_FOUND);
err:
    X509_CRL_free(x);
    BIO_free(in);
    return ret;
}

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;
    X509_INFO *itmp;
    BIO *in;
    int i, count = 0;

    if (type != X509_FILETYPE_PEM)
        return X509_load_cert_file_ex(ctx, file, type, libctx, propq);
    in = BIO_new_file(file, "r");
    if (!in) {
        ERR_raise(ERR_LIB_X509, ERR_R_SYS_LIB);
        return 0;
    }
    inf = PEM_X509_INFO_read_bio_ex(in, NULL, NULL, "", libctx, propq);
    BIO_free(in);
    if (!inf) {
        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))
                goto err;
            count++;
        }
        if (itmp->crl) {
            if (!X509_STORE_add_crl(ctx->store_ctx, itmp->crl))
                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: 2026-02-14 07:20

Line	Count	Source
1		/*
2		* Copyright 1995-2021 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
62	0	else
63	0	ok = (X509_load_cert_crl_file_ex(
64	0	ctx, X509_get_default_cert_file(),
65	0	X509_FILETYPE_PEM, libctx, propq)
66	0	!= 0);
67
68	0	if (!ok) {
69	0	ERR_raise(ERR_LIB_X509, X509_R_LOADING_DEFAULTS);
70	0	}
71	0	} else {
72	0	if (argl == X509_FILETYPE_PEM)
73	0	ok = (X509_load_cert_crl_file_ex(ctx, argp, X509_FILETYPE_PEM,
74	0	libctx, propq)
75	0	!= 0);
76	0	else
77	0	ok = (X509_load_cert_file_ex(ctx, argp, (int)argl, libctx,
78	0	propq)
79	0	!= 0);
80	0	}
81	0	break;
82	0	}
83	0	return ok;
84	0	}
85
86		static int by_file_ctrl(X509_LOOKUP *ctx, int cmd,
87		const char argp, long argl, char *ret)
88	0	{
89	0	return by_file_ctrl_ex(ctx, cmd, argp, argl, ret, NULL, NULL);
90	0	}
91
92		int X509_load_cert_file_ex(X509_LOOKUP ctx, const char file, int type,
93		OSSL_LIB_CTX libctx, const char propq)
94	0	{
95	0	int ret = 0;
96	0	BIO *in = NULL;
97	0	int i, count = 0;
98	0	X509 *x = NULL;
99
100	0	in = BIO_new(BIO_s_file());
101
102	0	if ((in == NULL) \|\| (BIO_read_filename(in, file) <= 0)) {
103	0	ERR_raise(ERR_LIB_X509, ERR_R_SYS_LIB);
104	0	goto err;
105	0	}
106
107	0	if (type != X509_FILETYPE_PEM && type != X509_FILETYPE_ASN1) {
108	0	ERR_raise(ERR_LIB_X509, X509_R_BAD_X509_FILETYPE);
109	0	goto err;
110	0	}
111	0	x = X509_new_ex(libctx, propq);
112	0	if (x == NULL) {
113	0	ERR_raise(ERR_LIB_X509, ERR_R_MALLOC_FAILURE);
114	0	goto err;
115	0	}
116
117	0	if (type == X509_FILETYPE_PEM) {
118	0	for (;;) {
119	0	ERR_set_mark();
120	0	if (PEM_read_bio_X509_AUX(in, &x, NULL, "") == NULL) {
121	0	if ((ERR_GET_REASON(ERR_peek_last_error()) == PEM_R_NO_START_LINE) && (count > 0)) {
122	0	ERR_pop_to_mark();
123	0	break;
124	0	} else {
125	0	ERR_clear_last_mark();
126	0	goto err;
127	0	}
128	0	}
129	0	ERR_clear_last_mark();
130	0	i = X509_STORE_add_cert(ctx->store_ctx, x);
131	0	if (!i)
132	0	goto err;
133	0	count++;
134	0	X509_free(x);
135	0	x = NULL;
136	0	}
137	0	ret = count;
138	0	} else if (type == X509_FILETYPE_ASN1) {
139	0	if (d2i_X509_bio(in, &x) == NULL) {
140	0	ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
141	0	goto err;
142	0	}
143	0	i = X509_STORE_add_cert(ctx->store_ctx, x);
144	0	if (!i)
145	0	goto err;
146	0	ret = i;
147	0	}
148	0	if (ret == 0)
149	0	ERR_raise(ERR_LIB_X509, X509_R_NO_CERTIFICATE_FOUND);
150	0	err:
151	0	X509_free(x);
152	0	BIO_free(in);
153	0	return ret;
154	0	}
155
156		int X509_load_cert_file(X509_LOOKUP ctx, const char file, int type)
157	0	{
158	0	return X509_load_cert_file_ex(ctx, file, type, NULL, NULL);
159	0	}
160
161		int X509_load_crl_file(X509_LOOKUP ctx, const char file, int type)
162	0	{
163	0	int ret = 0;
164	0	BIO *in = NULL;
165	0	int i, count = 0;
166	0	X509_CRL *x = NULL;
167
168	0	in = BIO_new(BIO_s_file());
169
170	0	if ((in == NULL) \|\| (BIO_read_filename(in, file) <= 0)) {
171	0	ERR_raise(ERR_LIB_X509, ERR_R_SYS_LIB);
172	0	goto err;
173	0	}
174
175	0	if (type == X509_FILETYPE_PEM) {
176	0	for (;;) {
177	0	x = PEM_read_bio_X509_CRL(in, NULL, NULL, "");
178	0	if (x == NULL) {
179	0	if ((ERR_GET_REASON(ERR_peek_last_error()) == PEM_R_NO_START_LINE) && (count > 0)) {
180	0	ERR_clear_error();
181	0	break;
182	0	} else {
183	0	ERR_raise(ERR_LIB_X509, ERR_R_PEM_LIB);
184	0	goto err;
185	0	}
186	0	}
187	0	i = X509_STORE_add_crl(ctx->store_ctx, x);
188	0	if (!i)
189	0	goto err;
190	0	count++;
191	0	X509_CRL_free(x);
192	0	x = NULL;
193	0	}
194	0	ret = count;
195	0	} else if (type == X509_FILETYPE_ASN1) {
196	0	x = d2i_X509_CRL_bio(in, NULL);
197	0	if (x == NULL) {
198	0	ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
199	0	goto err;
200	0	}
201	0	i = X509_STORE_add_crl(ctx->store_ctx, x);
202	0	if (!i)
203	0	goto err;
204	0	ret = i;
205	0	} else {
206	0	ERR_raise(ERR_LIB_X509, X509_R_BAD_X509_FILETYPE);
207	0	goto err;
208	0	}
209	0	if (ret == 0)
210	0	ERR_raise(ERR_LIB_X509, X509_R_NO_CRL_FOUND);
211	0	err:
212	0	X509_CRL_free(x);
213	0	BIO_free(in);
214	0	return ret;
215	0	}
216
217		int X509_load_cert_crl_file_ex(X509_LOOKUP ctx, const char file, int type,
218		OSSL_LIB_CTX libctx, const char propq)
219	0	{
220	0	STACK_OF(X509_INFO) *inf;
221	0	X509_INFO *itmp;
222	0	BIO *in;
223	0	int i, count = 0;
224
225	0	if (type != X509_FILETYPE_PEM)
226	0	return X509_load_cert_file_ex(ctx, file, type, libctx, propq);
227	0	in = BIO_new_file(file, "r");
228	0	if (!in) {
229	0	ERR_raise(ERR_LIB_X509, ERR_R_SYS_LIB);
230	0	return 0;
231	0	}
232	0	inf = PEM_X509_INFO_read_bio_ex(in, NULL, NULL, "", libctx, propq);
233	0	BIO_free(in);
234	0	if (!inf) {
235	0	ERR_raise(ERR_LIB_X509, ERR_R_PEM_LIB);
236	0	return 0;
237	0	}
238	0	for (i = 0; i < sk_X509_INFO_num(inf); i++) {
239	0	itmp = sk_X509_INFO_value(inf, i);
240	0	if (itmp->x509) {
241	0	if (!X509_STORE_add_cert(ctx->store_ctx, itmp->x509))
242	0	goto err;
243	0	count++;
244	0	}
245	0	if (itmp->crl) {
246	0	if (!X509_STORE_add_crl(ctx->store_ctx, itmp->crl))
247	0	goto err;
248	0	count++;
249	0	}
250	0	}
251	0	if (count == 0)
252	0	ERR_raise(ERR_LIB_X509, X509_R_NO_CERTIFICATE_OR_CRL_FOUND);
253	0	err:
254	0	sk_X509_INFO_pop_free(inf, X509_INFO_free);
255	0	return count;
256	0	}
257
258		int X509_load_cert_crl_file(X509_LOOKUP ctx, const char file, int type)
259	0	{
260	0	return X509_load_cert_crl_file_ex(ctx, file, type, NULL, NULL);
261	0	}