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authorWojtek Kosior <wk@koszkonutek-tmp.pl.eu.org>2021-04-30 00:33:56 +0200
committerWojtek Kosior <wk@koszkonutek-tmp.pl.eu.org>2021-04-30 00:33:56 +0200
commitaa4d426b4d3527d7e166df1a05058c9a4a0f6683 (patch)
tree4ff17ce8b89a2321b9d0ed4bcfc37c447bcb6820 /openssl-1.1.0h/crypto/conf/conf_def.c
downloadsmtps-and-pop3s-console-program-master.tar.gz
smtps-and-pop3s-console-program-master.zip
initial/final commitHEADmaster
Diffstat (limited to 'openssl-1.1.0h/crypto/conf/conf_def.c')
-rw-r--r--openssl-1.1.0h/crypto/conf/conf_def.c642
1 files changed, 642 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/conf/conf_def.c b/openssl-1.1.0h/crypto/conf/conf_def.c
new file mode 100644
index 0000000..b443903
--- /dev/null
+++ b/openssl-1.1.0h/crypto/conf/conf_def.c
@@ -0,0 +1,642 @@
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (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
+ */
+
+/* Part of the code in here was originally in conf.c, which is now removed */
+
+#include <stdio.h>
+#include <string.h>
+#include "internal/cryptlib.h"
+#include <openssl/stack.h>
+#include <openssl/lhash.h>
+#include <openssl/conf.h>
+#include <openssl/conf_api.h>
+#include "conf_def.h"
+#include <openssl/buffer.h>
+#include <openssl/err.h>
+
+/*
+ * The maximum length we can grow a value to after variable expansion. 64k
+ * should be more than enough for all reasonable uses.
+ */
+#define MAX_CONF_VALUE_LENGTH 65536
+
+static char *eat_ws(CONF *conf, char *p);
+static char *eat_alpha_numeric(CONF *conf, char *p);
+static void clear_comments(CONF *conf, char *p);
+static int str_copy(CONF *conf, char *section, char **to, char *from);
+static char *scan_quote(CONF *conf, char *p);
+static char *scan_dquote(CONF *conf, char *p);
+#define scan_esc(conf,p) (((IS_EOF((conf),(p)[1]))?((p)+1):((p)+2)))
+
+static CONF *def_create(CONF_METHOD *meth);
+static int def_init_default(CONF *conf);
+static int def_init_WIN32(CONF *conf);
+static int def_destroy(CONF *conf);
+static int def_destroy_data(CONF *conf);
+static int def_load(CONF *conf, const char *name, long *eline);
+static int def_load_bio(CONF *conf, BIO *bp, long *eline);
+static int def_dump(const CONF *conf, BIO *bp);
+static int def_is_number(const CONF *conf, char c);
+static int def_to_int(const CONF *conf, char c);
+
+static CONF_METHOD default_method = {
+ "OpenSSL default",
+ def_create,
+ def_init_default,
+ def_destroy,
+ def_destroy_data,
+ def_load_bio,
+ def_dump,
+ def_is_number,
+ def_to_int,
+ def_load
+};
+
+static CONF_METHOD WIN32_method = {
+ "WIN32",
+ def_create,
+ def_init_WIN32,
+ def_destroy,
+ def_destroy_data,
+ def_load_bio,
+ def_dump,
+ def_is_number,
+ def_to_int,
+ def_load
+};
+
+CONF_METHOD *NCONF_default()
+{
+ return &default_method;
+}
+
+CONF_METHOD *NCONF_WIN32()
+{
+ return &WIN32_method;
+}
+
+static CONF *def_create(CONF_METHOD *meth)
+{
+ CONF *ret;
+
+ ret = OPENSSL_malloc(sizeof(*ret));
+ if (ret != NULL)
+ if (meth->init(ret) == 0) {
+ OPENSSL_free(ret);
+ ret = NULL;
+ }
+ return ret;
+}
+
+static int def_init_default(CONF *conf)
+{
+ if (conf == NULL)
+ return 0;
+
+ conf->meth = &default_method;
+ conf->meth_data = (void *)CONF_type_default;
+ conf->data = NULL;
+
+ return 1;
+}
+
+static int def_init_WIN32(CONF *conf)
+{
+ if (conf == NULL)
+ return 0;
+
+ conf->meth = &WIN32_method;
+ conf->meth_data = (void *)CONF_type_win32;
+ conf->data = NULL;
+
+ return 1;
+}
+
+static int def_destroy(CONF *conf)
+{
+ if (def_destroy_data(conf)) {
+ OPENSSL_free(conf);
+ return 1;
+ }
+ return 0;
+}
+
+static int def_destroy_data(CONF *conf)
+{
+ if (conf == NULL)
+ return 0;
+ _CONF_free_data(conf);
+ return 1;
+}
+
+static int def_load(CONF *conf, const char *name, long *line)
+{
+ int ret;
+ BIO *in = NULL;
+
+#ifdef OPENSSL_SYS_VMS
+ in = BIO_new_file(name, "r");
+#else
+ in = BIO_new_file(name, "rb");
+#endif
+ if (in == NULL) {
+ if (ERR_GET_REASON(ERR_peek_last_error()) == BIO_R_NO_SUCH_FILE)
+ CONFerr(CONF_F_DEF_LOAD, CONF_R_NO_SUCH_FILE);
+ else
+ CONFerr(CONF_F_DEF_LOAD, ERR_R_SYS_LIB);
+ return 0;
+ }
+
+ ret = def_load_bio(conf, in, line);
+ BIO_free(in);
+
+ return ret;
+}
+
+static int def_load_bio(CONF *conf, BIO *in, long *line)
+{
+/* The macro BUFSIZE conflicts with a system macro in VxWorks */
+#define CONFBUFSIZE 512
+ int bufnum = 0, i, ii;
+ BUF_MEM *buff = NULL;
+ char *s, *p, *end;
+ int again;
+ long eline = 0;
+ char btmp[DECIMAL_SIZE(eline) + 1];
+ CONF_VALUE *v = NULL, *tv;
+ CONF_VALUE *sv = NULL;
+ char *section = NULL, *buf;
+ char *start, *psection, *pname;
+ void *h = (void *)(conf->data);
+
+ if ((buff = BUF_MEM_new()) == NULL) {
+ CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_BUF_LIB);
+ goto err;
+ }
+
+ section = OPENSSL_strdup("default");
+ if (section == NULL) {
+ CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ if (_CONF_new_data(conf) == 0) {
+ CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ sv = _CONF_new_section(conf, section);
+ if (sv == NULL) {
+ CONFerr(CONF_F_DEF_LOAD_BIO, CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
+ goto err;
+ }
+
+ bufnum = 0;
+ again = 0;
+ for (;;) {
+ if (!BUF_MEM_grow(buff, bufnum + CONFBUFSIZE)) {
+ CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_BUF_LIB);
+ goto err;
+ }
+ p = &(buff->data[bufnum]);
+ *p = '\0';
+ BIO_gets(in, p, CONFBUFSIZE - 1);
+ p[CONFBUFSIZE - 1] = '\0';
+ ii = i = strlen(p);
+ if (i == 0 && !again)
+ break;
+ again = 0;
+ while (i > 0) {
+ if ((p[i - 1] != '\r') && (p[i - 1] != '\n'))
+ break;
+ else
+ i--;
+ }
+ /*
+ * we removed some trailing stuff so there is a new line on the end.
+ */
+ if (ii && i == ii)
+ again = 1; /* long line */
+ else {
+ p[i] = '\0';
+ eline++; /* another input line */
+ }
+
+ /* we now have a line with trailing \r\n removed */
+
+ /* i is the number of bytes */
+ bufnum += i;
+
+ v = NULL;
+ /* check for line continuation */
+ if (bufnum >= 1) {
+ /*
+ * If we have bytes and the last char '\\' and second last char
+ * is not '\\'
+ */
+ p = &(buff->data[bufnum - 1]);
+ if (IS_ESC(conf, p[0]) && ((bufnum <= 1) || !IS_ESC(conf, p[-1]))) {
+ bufnum--;
+ again = 1;
+ }
+ }
+ if (again)
+ continue;
+ bufnum = 0;
+ buf = buff->data;
+
+ clear_comments(conf, buf);
+ s = eat_ws(conf, buf);
+ if (IS_EOF(conf, *s))
+ continue; /* blank line */
+ if (*s == '[') {
+ char *ss;
+
+ s++;
+ start = eat_ws(conf, s);
+ ss = start;
+ again:
+ end = eat_alpha_numeric(conf, ss);
+ p = eat_ws(conf, end);
+ if (*p != ']') {
+ if (*p != '\0' && ss != p) {
+ ss = p;
+ goto again;
+ }
+ CONFerr(CONF_F_DEF_LOAD_BIO,
+ CONF_R_MISSING_CLOSE_SQUARE_BRACKET);
+ goto err;
+ }
+ *end = '\0';
+ if (!str_copy(conf, NULL, &section, start))
+ goto err;
+ if ((sv = _CONF_get_section(conf, section)) == NULL)
+ sv = _CONF_new_section(conf, section);
+ if (sv == NULL) {
+ CONFerr(CONF_F_DEF_LOAD_BIO,
+ CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
+ goto err;
+ }
+ continue;
+ } else {
+ pname = s;
+ psection = NULL;
+ end = eat_alpha_numeric(conf, s);
+ if ((end[0] == ':') && (end[1] == ':')) {
+ *end = '\0';
+ end += 2;
+ psection = pname;
+ pname = end;
+ end = eat_alpha_numeric(conf, end);
+ }
+ p = eat_ws(conf, end);
+ if (*p != '=') {
+ CONFerr(CONF_F_DEF_LOAD_BIO, CONF_R_MISSING_EQUAL_SIGN);
+ goto err;
+ }
+ *end = '\0';
+ p++;
+ start = eat_ws(conf, p);
+ while (!IS_EOF(conf, *p))
+ p++;
+ p--;
+ while ((p != start) && (IS_WS(conf, *p)))
+ p--;
+ p++;
+ *p = '\0';
+
+ if ((v = OPENSSL_malloc(sizeof(*v))) == NULL) {
+ CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ if (psection == NULL)
+ psection = section;
+ v->name = OPENSSL_malloc(strlen(pname) + 1);
+ v->value = NULL;
+ if (v->name == NULL) {
+ CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ OPENSSL_strlcpy(v->name, pname, strlen(pname) + 1);
+ if (!str_copy(conf, psection, &(v->value), start))
+ goto err;
+
+ if (strcmp(psection, section) != 0) {
+ if ((tv = _CONF_get_section(conf, psection))
+ == NULL)
+ tv = _CONF_new_section(conf, psection);
+ if (tv == NULL) {
+ CONFerr(CONF_F_DEF_LOAD_BIO,
+ CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
+ goto err;
+ }
+ } else
+ tv = sv;
+ if (_CONF_add_string(conf, tv, v) == 0) {
+ CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ v = NULL;
+ }
+ }
+ BUF_MEM_free(buff);
+ OPENSSL_free(section);
+ return (1);
+ err:
+ BUF_MEM_free(buff);
+ OPENSSL_free(section);
+ if (line != NULL)
+ *line = eline;
+ BIO_snprintf(btmp, sizeof(btmp), "%ld", eline);
+ ERR_add_error_data(2, "line ", btmp);
+ if (h != conf->data) {
+ CONF_free(conf->data);
+ conf->data = NULL;
+ }
+ if (v != NULL) {
+ OPENSSL_free(v->name);
+ OPENSSL_free(v->value);
+ OPENSSL_free(v);
+ }
+ return (0);
+}
+
+static void clear_comments(CONF *conf, char *p)
+{
+ for (;;) {
+ if (IS_FCOMMENT(conf, *p)) {
+ *p = '\0';
+ return;
+ }
+ if (!IS_WS(conf, *p)) {
+ break;
+ }
+ p++;
+ }
+
+ for (;;) {
+ if (IS_COMMENT(conf, *p)) {
+ *p = '\0';
+ return;
+ }
+ if (IS_DQUOTE(conf, *p)) {
+ p = scan_dquote(conf, p);
+ continue;
+ }
+ if (IS_QUOTE(conf, *p)) {
+ p = scan_quote(conf, p);
+ continue;
+ }
+ if (IS_ESC(conf, *p)) {
+ p = scan_esc(conf, p);
+ continue;
+ }
+ if (IS_EOF(conf, *p))
+ return;
+ else
+ p++;
+ }
+}
+
+static int str_copy(CONF *conf, char *section, char **pto, char *from)
+{
+ int q, r, rr = 0, to = 0, len = 0;
+ char *s, *e, *rp, *p, *rrp, *np, *cp, v;
+ BUF_MEM *buf;
+
+ if ((buf = BUF_MEM_new()) == NULL)
+ return (0);
+
+ len = strlen(from) + 1;
+ if (!BUF_MEM_grow(buf, len))
+ goto err;
+
+ for (;;) {
+ if (IS_QUOTE(conf, *from)) {
+ q = *from;
+ from++;
+ while (!IS_EOF(conf, *from) && (*from != q)) {
+ if (IS_ESC(conf, *from)) {
+ from++;
+ if (IS_EOF(conf, *from))
+ break;
+ }
+ buf->data[to++] = *(from++);
+ }
+ if (*from == q)
+ from++;
+ } else if (IS_DQUOTE(conf, *from)) {
+ q = *from;
+ from++;
+ while (!IS_EOF(conf, *from)) {
+ if (*from == q) {
+ if (*(from + 1) == q) {
+ from++;
+ } else {
+ break;
+ }
+ }
+ buf->data[to++] = *(from++);
+ }
+ if (*from == q)
+ from++;
+ } else if (IS_ESC(conf, *from)) {
+ from++;
+ v = *(from++);
+ if (IS_EOF(conf, v))
+ break;
+ else if (v == 'r')
+ v = '\r';
+ else if (v == 'n')
+ v = '\n';
+ else if (v == 'b')
+ v = '\b';
+ else if (v == 't')
+ v = '\t';
+ buf->data[to++] = v;
+ } else if (IS_EOF(conf, *from))
+ break;
+ else if (*from == '$') {
+ size_t newsize;
+
+ /* try to expand it */
+ rrp = NULL;
+ s = &(from[1]);
+ if (*s == '{')
+ q = '}';
+ else if (*s == '(')
+ q = ')';
+ else
+ q = 0;
+
+ if (q)
+ s++;
+ cp = section;
+ e = np = s;
+ while (IS_ALPHA_NUMERIC(conf, *e))
+ e++;
+ if ((e[0] == ':') && (e[1] == ':')) {
+ cp = np;
+ rrp = e;
+ rr = *e;
+ *rrp = '\0';
+ e += 2;
+ np = e;
+ while (IS_ALPHA_NUMERIC(conf, *e))
+ e++;
+ }
+ r = *e;
+ *e = '\0';
+ rp = e;
+ if (q) {
+ if (r != q) {
+ CONFerr(CONF_F_STR_COPY, CONF_R_NO_CLOSE_BRACE);
+ goto err;
+ }
+ e++;
+ }
+ /*-
+ * So at this point we have
+ * np which is the start of the name string which is
+ * '\0' terminated.
+ * cp which is the start of the section string which is
+ * '\0' terminated.
+ * e is the 'next point after'.
+ * r and rr are the chars replaced by the '\0'
+ * rp and rrp is where 'r' and 'rr' came from.
+ */
+ p = _CONF_get_string(conf, cp, np);
+ if (rrp != NULL)
+ *rrp = rr;
+ *rp = r;
+ if (p == NULL) {
+ CONFerr(CONF_F_STR_COPY, CONF_R_VARIABLE_HAS_NO_VALUE);
+ goto err;
+ }
+ newsize = strlen(p) + buf->length - (e - from);
+ if (newsize > MAX_CONF_VALUE_LENGTH) {
+ CONFerr(CONF_F_STR_COPY, CONF_R_VARIABLE_EXPANSION_TOO_LONG);
+ goto err;
+ }
+ if (!BUF_MEM_grow_clean(buf, newsize)) {
+ CONFerr(CONF_F_STR_COPY, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ while (*p)
+ buf->data[to++] = *(p++);
+
+ /*
+ * Since we change the pointer 'from', we also have to change the
+ * perceived length of the string it points at. /RL
+ */
+ len -= e - from;
+ from = e;
+
+ /*
+ * In case there were no braces or parenthesis around the
+ * variable reference, we have to put back the character that was
+ * replaced with a '\0'. /RL
+ */
+ *rp = r;
+ } else
+ buf->data[to++] = *(from++);
+ }
+ buf->data[to] = '\0';
+ OPENSSL_free(*pto);
+ *pto = buf->data;
+ OPENSSL_free(buf);
+ return (1);
+ err:
+ BUF_MEM_free(buf);
+ return (0);
+}
+
+static char *eat_ws(CONF *conf, char *p)
+{
+ while (IS_WS(conf, *p) && (!IS_EOF(conf, *p)))
+ p++;
+ return (p);
+}
+
+static char *eat_alpha_numeric(CONF *conf, char *p)
+{
+ for (;;) {
+ if (IS_ESC(conf, *p)) {
+ p = scan_esc(conf, p);
+ continue;
+ }
+ if (!IS_ALPHA_NUMERIC_PUNCT(conf, *p))
+ return (p);
+ p++;
+ }
+}
+
+static char *scan_quote(CONF *conf, char *p)
+{
+ int q = *p;
+
+ p++;
+ while (!(IS_EOF(conf, *p)) && (*p != q)) {
+ if (IS_ESC(conf, *p)) {
+ p++;
+ if (IS_EOF(conf, *p))
+ return (p);
+ }
+ p++;
+ }
+ if (*p == q)
+ p++;
+ return (p);
+}
+
+static char *scan_dquote(CONF *conf, char *p)
+{
+ int q = *p;
+
+ p++;
+ while (!(IS_EOF(conf, *p))) {
+ if (*p == q) {
+ if (*(p + 1) == q) {
+ p++;
+ } else {
+ break;
+ }
+ }
+ p++;
+ }
+ if (*p == q)
+ p++;
+ return (p);
+}
+
+static void dump_value_doall_arg(const CONF_VALUE *a, BIO *out)
+{
+ if (a->name)
+ BIO_printf(out, "[%s] %s=%s\n", a->section, a->name, a->value);
+ else
+ BIO_printf(out, "[[%s]]\n", a->section);
+}
+
+IMPLEMENT_LHASH_DOALL_ARG_CONST(CONF_VALUE, BIO);
+
+static int def_dump(const CONF *conf, BIO *out)
+{
+ lh_CONF_VALUE_doall_BIO(conf->data, dump_value_doall_arg, out);
+ return 1;
+}
+
+static int def_is_number(const CONF *conf, char c)
+{
+ return IS_NUMBER(conf, c);
+}
+
+static int def_to_int(const CONF *conf, char c)
+{
+ return c - '0';
+}