From aa4d426b4d3527d7e166df1a05058c9a4a0f6683 Mon Sep 17 00:00:00 2001 From: Wojtek Kosior Date: Fri, 30 Apr 2021 00:33:56 +0200 Subject: initial/final commit --- openssl-1.1.0h/crypto/conf/conf_def.c | 642 ++++++++++++++++++++++++++++++++++ 1 file changed, 642 insertions(+) create mode 100644 openssl-1.1.0h/crypto/conf/conf_def.c (limited to 'openssl-1.1.0h/crypto/conf/conf_def.c') 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 +#include +#include "internal/cryptlib.h" +#include +#include +#include +#include +#include "conf_def.h" +#include +#include + +/* + * 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, §ion, 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'; +} -- cgit v1.2.3