static int def_load(CONF *conf, const char *name, long *line)
{
int ret;
BIO *in=NULL;
#ifndef OPENSSL_NO_FP_API
#ifdef OPENSSL_SYS_VMS
in=BIO_new_file(name, "r");
#else
in=BIO_new_file(name, "rb");
#endif
#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;
}
STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf,const char *section)
{
if (conf == NULL)
{
CONFerr(CONF_F_NCONF_GET_SECTION,CONF_R_NO_CONF);
return NULL;
}
if (section == NULL)
{
CONFerr(CONF_F_NCONF_GET_SECTION,CONF_R_NO_SECTION);
return NULL;
}
return _CONF_get_section_values(conf, section);
}
/*
* Check whether included path is a directory.
* Returns next BIO to process and in case of a directory
* also an opened directory context and the include path.
*/
static BIO *process_include(char *include, OPENSSL_DIR_CTX **dirctx,
char **dirpath)
{
struct stat st = { 0 };
BIO *next;
if (stat(include, &st) < 0) {
SYSerr(SYS_F_STAT, errno);
ERR_add_error_data(1, include);
/* missing include file is not fatal error */
return NULL;
}
if (S_ISDIR(st.st_mode)) {
if (*dirctx != NULL) {
CONFerr(CONF_F_PROCESS_INCLUDE,
CONF_R_RECURSIVE_DIRECTORY_INCLUDE);
ERR_add_error_data(1, include);
return NULL;
}
/* a directory, load its contents */
if ((next = get_next_file(include, dirctx)) != NULL)
*dirpath = include;
return next;
}
next = BIO_new_file(include, "r");
return next;
}
char *NCONF_get_string(const CONF *conf,const char *group,const char *name)
{
char *s = _CONF_get_string(conf, group, name);
/* Since we may get a value from an environment variable even
if conf is NULL, let's check the value first */
if (s) return s;
if (conf == NULL)
{
CONFerr(CONF_F_NCONF_GET_STRING,
CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE);
return NULL;
}
CONFerr(CONF_F_NCONF_GET_STRING,
CONF_R_NO_VALUE);
ERR_add_error_data(4,"group=",group," name=",name);
return NULL;
}
int NCONF_load_bio(CONF *conf, BIO *bp,long *eline)
{
if (conf == NULL)
{
CONFerr(CONF_F_NCONF_LOAD_BIO,CONF_R_NO_CONF);
return 0;
}
return conf->meth->load_bio(conf, bp, eline);
}
int NCONF_load(CONF *conf, const char *file, long *eline)
{
if (conf == NULL)
{
CONFerr(CONF_F_NCONF_LOAD,CONF_R_NO_CONF);
return 0;
}
return conf->meth->load(conf, file, eline);
}
int NCONF_dump_bio(const CONF *conf, BIO *out)
{
if (conf == NULL)
{
CONFerr(CONF_F_NCONF_DUMP_BIO,CONF_R_NO_CONF);
return 0;
}
return conf->meth->dump(conf, out);
}
/*
* Get next file from the directory path.
* Returns BIO of the next file to read and updates dirctx.
*/
static BIO *get_next_file(const char *path, OPENSSL_DIR_CTX **dirctx)
{
const char *filename;
while ((filename = OPENSSL_DIR_read(dirctx, path)) != NULL) {
size_t namelen;
namelen = strlen(filename);
if ((namelen > 5 && strcasecmp(filename + namelen - 5, ".conf") == 0)
|| (namelen > 4 && strcasecmp(filename + namelen - 4, ".cnf") == 0)) {
size_t newlen;
char *newpath;
BIO *bio;
newlen = strlen(path) + namelen + 2;
newpath = OPENSSL_zalloc(newlen);
if (newpath == NULL) {
CONFerr(CONF_F_GET_NEXT_FILE, ERR_R_MALLOC_FAILURE);
break;
}
#ifdef OPENSSL_SYS_VMS
/*
* If the given path isn't clear VMS syntax,
* we treat it as on Unix.
*/
{
size_t pathlen = strlen(path);
if (path[pathlen - 1] == ']' || path[pathlen - 1] == '>'
|| path[pathlen - 1] == ':') {
/* Clear VMS directory syntax, just copy as is */
OPENSSL_strlcpy(newpath, path, newlen);
}
}
#endif
if (newpath[0] == '\0') {
OPENSSL_strlcpy(newpath, path, newlen);
OPENSSL_strlcat(newpath, "/", newlen);
}
OPENSSL_strlcat(newpath, filename, newlen);
bio = BIO_new_file(newpath, "r");
OPENSSL_free(newpath);
/* Errors when opening files are non-fatal. */
if (bio != NULL)
return bio;
}
}
OPENSSL_DIR_end(dirctx);
*dirctx = NULL;
return NULL;
}
int NCONF_dump_fp(const CONF *conf, FILE *out)
{
BIO *btmp;
int ret;
if(!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) {
CONFerr(CONF_F_NCONF_DUMP_FP,ERR_R_BUF_LIB);
return 0;
}
ret = NCONF_dump_bio(conf, btmp);
BIO_free(btmp);
return ret;
}
LHASH *CONF_load_fp(LHASH *conf, FILE *fp,long *eline)
{
BIO *btmp;
LHASH *ltmp;
if(!(btmp = BIO_new_fp(fp, BIO_NOCLOSE))) {
CONFerr(CONF_F_CONF_LOAD_FP,ERR_R_BUF_LIB);
return NULL;
}
ltmp = CONF_load_bio(conf, btmp, eline);
BIO_free(btmp);
return ltmp;
}
int NCONF_load_fp(CONF *conf, FILE *fp,long *eline)
{
BIO *btmp;
int ret;
if(!(btmp = BIO_new_fp(fp, BIO_NOCLOSE)))
{
CONFerr(CONF_F_NCONF_LOAD_FP,ERR_R_BUF_LIB);
return 0;
}
ret = NCONF_load_bio(conf, btmp, eline);
BIO_free(btmp);
return ret;
}
CONF *NCONF_new(CONF_METHOD *meth)
{
CONF *ret;
if (meth == NULL)
meth = NCONF_default();
ret = meth->create(meth);
if (ret == NULL)
{
CONFerr(CONF_F_NCONF_NEW,ERR_R_MALLOC_FAILURE);
return(NULL);
}
return ret;
}
LHASH *CONF_load(LHASH *conf, const char *file, long *eline)
{
LHASH *ltmp;
BIO *in=NULL;
#ifdef OPENSSL_SYS_VMS
in=BIO_new_file(file, "r");
#else
in=BIO_new_file(file, "rb");
#endif
if (in == NULL)
{
CONFerr(CONF_F_CONF_LOAD,ERR_R_SYS_LIB);
return NULL;
}
ltmp = CONF_load_bio(conf, in, eline);
BIO_free(in);
return ltmp;
}
int NCONF_get_number_e(const CONF *conf,const char *group,const char *name,
long *result)
{
char *str;
if (result == NULL)
{
CONFerr(CONF_F_NCONF_GET_NUMBER_E,ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
str = NCONF_get_string(conf,group,name);
if (str == NULL)
return 0;
for (*result = 0;conf->meth->is_number(conf, *str);)
{
*result = (*result)*10 + conf->meth->to_int(conf, *str);
str++;
}
return 1;
}
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_ALNUM(conf, *e))
e++;
if ((e[0] == ':') && (e[1] == ':')) {
cp = np;
rrp = e;
rr = *e;
*rrp = '\0';
e += 2;
np = e;
while (IS_ALNUM(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 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, §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;
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;
}
static int ssl_module_init(CONF_IMODULE *md, const CONF *cnf)
{
size_t i, j, cnt;
int rv = 0;
const char *ssl_conf_section;
STACK_OF(CONF_VALUE) *cmd_lists;
ssl_conf_section = CONF_imodule_get_value(md);
cmd_lists = NCONF_get_section(cnf, ssl_conf_section);
if (sk_CONF_VALUE_num(cmd_lists) <= 0) {
if (cmd_lists == NULL)
CONFerr(CONF_F_SSL_MODULE_INIT, CONF_R_SSL_SECTION_NOT_FOUND);
else
CONFerr(CONF_F_SSL_MODULE_INIT, CONF_R_SSL_SECTION_EMPTY);
ERR_add_error_data(2, "section=", ssl_conf_section);
goto err;
}
cnt = sk_CONF_VALUE_num(cmd_lists);
ssl_module_free(md);
ssl_names = OPENSSL_zalloc(sizeof(*ssl_names) * cnt);
if (ssl_names == NULL)
goto err;
ssl_names_count = cnt;
for (i = 0; i < ssl_names_count; i++) {
struct ssl_conf_name_st *ssl_name = ssl_names + i;
CONF_VALUE *sect = sk_CONF_VALUE_value(cmd_lists, (int)i);
STACK_OF(CONF_VALUE) *cmds = NCONF_get_section(cnf, sect->value);
if (sk_CONF_VALUE_num(cmds) <= 0) {
if (cmds == NULL)
CONFerr(CONF_F_SSL_MODULE_INIT,
CONF_R_SSL_COMMAND_SECTION_NOT_FOUND);
else
CONFerr(CONF_F_SSL_MODULE_INIT,
CONF_R_SSL_COMMAND_SECTION_EMPTY);
ERR_add_error_data(4, "name=", sect->name, ", value=", sect->value);
goto err;
}
ssl_name->name = OPENSSL_strdup(sect->name);
if (ssl_name->name == NULL)
goto err;
cnt = sk_CONF_VALUE_num(cmds);
ssl_name->cmds = OPENSSL_zalloc(cnt * sizeof(struct ssl_conf_cmd_st));
if (ssl_name->cmds == NULL)
goto err;
ssl_name->cmd_count = cnt;
for (j = 0; j < cnt; j++) {
const char *name;
CONF_VALUE *cmd_conf = sk_CONF_VALUE_value(cmds, (int)j);
struct ssl_conf_cmd_st *cmd = ssl_name->cmds + j;
/* Skip any initial dot in name */
name = strchr(cmd_conf->name, '.');
if (name != NULL)
name++;
else
name = cmd_conf->name;
cmd->cmd = OPENSSL_strdup(name);
cmd->arg = OPENSSL_strdup(cmd_conf->value);
if (cmd->cmd == NULL || cmd->arg == NULL)
goto err;
}
}
rv = 1;
err:
if (rv == 0)
ssl_module_free(md);
return rv;
}
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,§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;
}
section_sk=(STACK_OF(CONF_VALUE) *)sv->value;
continue;
}
else
{
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, §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 = (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);
}
