Ejemplo n.º 1
0
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;
	STACK_OF(CONF_VALUE) *section_sk=NULL,*ts __UNUSED;
	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=(char *)OPENSSL_malloc(10);
	if (section == NULL)
		{
		CONFerr(CONF_F_DEF_LOAD_BIO,ERR_R_MALLOC_FAILURE);
		goto err;
		}
	BUF_strlcpy(section,"default",10);

	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;
		}
	section_sk=(STACK_OF(CONF_VALUE) *)sv->value;

	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;
					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;
				}
			section_sk=(STACK_OF(CONF_VALUE) *)sv->value;
			continue;
			}
		else
			{
Ejemplo n.º 2
0
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);
    STACK_OF(BIO) *biosk = NULL;
#ifndef OPENSSL_NO_POSIX_IO
    char *dirpath = NULL;
    OPENSSL_DIR_CTX *dirctx = NULL;
#endif

    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';
 read_retry:
        BIO_gets(in, p, CONFBUFSIZE - 1);
        p[CONFBUFSIZE - 1] = '\0';
        ii = i = strlen(p);
        if (i == 0 && !again) {
            /* the currently processed BIO is at EOF */
            BIO *parent;

#ifndef OPENSSL_NO_POSIX_IO
            /* continue processing with the next file from directory */
            if (dirctx != NULL) {
                BIO *next;

                if ((next = get_next_file(dirpath, &dirctx)) != NULL) {
                    BIO_vfree(in);
                    in = next;
                    goto read_retry;
                } else {
                    OPENSSL_free(dirpath);
                    dirpath = NULL;
                }
            }
#endif
            /* no more files in directory, continue with processing parent */
            if ((parent = sk_BIO_pop(biosk)) == NULL) {
                /* everything processed get out of the loop */
                break;
            } else {
                BIO_vfree(in);
                in = parent;
                goto read_retry;
            }
        }
        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;
            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);
            } else {
                psection = section;
            }
            p = eat_ws(conf, end);
            if (strncmp(pname, ".include", 8) == 0
                && (p != pname + 8 || *p == '=')) {
                char *include = NULL;
                BIO *next;

                if (*p == '=') {
                    p++;
                    p = eat_ws(conf, p);
                }
                trim_ws(conf, p);
                if (!str_copy(conf, psection, &include, p))
                    goto err;
                /* get the BIO of the included file */
#ifndef OPENSSL_NO_POSIX_IO
                next = process_include(include, &dirctx, &dirpath);
                if (include != dirpath) {
                    /* dirpath will contain include in case of a directory */
                    OPENSSL_free(include);
                }
#else
                next = BIO_new_file(include, "r");
                OPENSSL_free(include);
#endif
                if (next != NULL) {
                    /* push the currently processing BIO onto stack */
                    if (biosk == NULL) {
                        if ((biosk = sk_BIO_new_null()) == NULL) {
                            CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
                            goto err;
                        }
                    }
                    if (!sk_BIO_push(biosk, in)) {
                        CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
                        goto err;
                    }
                    /* continue with reading from the included BIO */
                    in = next;
                }
                continue;
            } else if (*p != '=') {
                CONFerr(CONF_F_DEF_LOAD_BIO, CONF_R_MISSING_EQUAL_SIGN);
                goto err;
            }
            *end = '\0';
            p++;
            start = eat_ws(conf, p);
            trim_ws(conf, start);

            if ((v = OPENSSL_malloc(sizeof(*v))) == NULL) {
                CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
                goto err;
            }
            v->name = OPENSSL_strdup(pname);
            v->value = NULL;
            if (v->name == NULL) {
                CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
                goto err;
            }
            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);
    /*
     * No need to pop, since we only get here if the stack is empty.
     * If this causes a BIO leak, THE ISSUE IS SOMEWHERE ELSE!
     */
    sk_BIO_free(biosk);
    return 1;
 err:
    BUF_MEM_free(buff);
    OPENSSL_free(section);
    /*
     * Since |in| is the first element of the stack and should NOT be freed
     * here, we cannot use sk_BIO_pop_free().  Instead, we pop and free one
     * BIO at a time, making sure that the last one popped isn't.
     */
    while (sk_BIO_num(biosk) > 0) {
        BIO *popped = sk_BIO_pop(biosk);
        BIO_vfree(in);
        in = popped;
    }
    sk_BIO_free(biosk);
#ifndef OPENSSL_NO_POSIX_IO
    OPENSSL_free(dirpath);
    if (dirctx != NULL)
        OPENSSL_DIR_end(&dirctx);
#endif
    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;
}
Ejemplo n.º 3
0
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 = (char *)OPENSSL_malloc(10);
    if (section == NULL) {
        CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
        goto err;
    }
    BUF_strlcpy(section, "default", 10);

    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 = sgx_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 = (CONF_VALUE *)OPENSSL_malloc(sizeof(CONF_VALUE)))) {
                CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
                goto err;
            }
            if (psection == NULL)
                psection = section;
            v->name = (char *)OPENSSL_malloc(strlen(pname) + 1);
            v->value = NULL;
            if (v->name == NULL) {
                CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
                goto err;
            }
            BUF_strlcpy(v->name, pname, sgx_strlen(pname) + 1);
            if (!str_copy(conf, psection, &(v->value), start))
                goto err;

            if (sgx_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 1
            if (_CONF_add_string(conf, tv, v) == 0) {
                CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
                goto err;
            }
#else
            v->section = tv->section;
            if (!sk_CONF_VALUE_push(ts, v)) {
                CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
                goto err;
            }
            vv = (CONF_VALUE *)lh_insert(conf->data, v);
            if (vv != NULL) {
                sk_CONF_VALUE_delete_ptr(ts, vv);
                OPENSSL_free(vv->name);
                OPENSSL_free(vv->value);
                OPENSSL_free(vv);
            }
#endif
            v = NULL;
        }
    }
    if (buff != NULL)
        BUF_MEM_free(buff);
    if (section != NULL)
        OPENSSL_free(section);
    return (1);
 err:
    if (buff != NULL)
        BUF_MEM_free(buff);
    if (section != NULL)
        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->data != NULL)) {
        CONF_free(conf->data);
        conf->data = NULL;
    }
    if (v != NULL) {
        if (v->name != NULL)
            OPENSSL_free(v->name);
        if (v->value != NULL)
            OPENSSL_free(v->value);
        if (v != NULL)
            OPENSSL_free(v);
    }
    return (0);
}