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hardening cvvs due to errors

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This commit is contained in:
Olof Hagsand 2017-10-29 10:32:00 +01:00
parent 1fb3f792b6
commit 44612c57d8
2 changed files with 17 additions and 13 deletions
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7
lib/src/clixon_xml.c
View file

@ -918,9 +918,10 @@ xml_free(cxobj *x)
if (x->x_cv)
cv_free(x->x_cv);
for (i=0; i<x->x_childvec_len; i++){
xc = x->x_childvec[i];
xml_free(xc);
x->x_childvec[i] = NULL;
if ((xc = x->x_childvec[i]) != NULL){
xml_free(xc);
x->x_childvec[i] = NULL;
}
}
#if (XML_CHILD_HASH==1)
if (x->x_hash)

23
lib/src/clixon_xml_map.c
View file

@ -464,14 +464,11 @@ xml2cvec(cxobj *xt,
char *body;
char *reason = NULL;
int ret;
int i = 0;
int len = 0;
char *name;
xc = NULL;
while ((xc = xml_child_each(xt, xc, CX_ELMNT)) != NULL)
len++;
if ((cvv = cvec_new(len)) == NULL){
/* Tried to allocate whole cvv here,but some cg_vars may be invalid */
if ((cvv = cvec_new(0)) == NULL){
clicon_err(OE_UNIX, errno, "cvec_new");
goto err;
}
@ -483,8 +480,10 @@ xml2cvec(cxobj *xt,
clicon_debug(0, "%s: yang sanity problem: %s in xml but not present in yang under %s",
__FUNCTION__, name, yt->ys_argument);
if ((body = xml_body(xc)) != NULL){
cv = cvec_i(cvv, i++);
cv_type_set(cv, CGV_STRING);
if ((cv = cvec_add(cvv, CGV_STRING)) == NULL){
clicon_err(OE_PLUGIN, errno, "cvec_add");
goto err;
}
cv_name_set(cv, name);
if ((ret = cv_parse1(body, cv, &reason)) < 0){
clicon_err(OE_PLUGIN, errno, "cv_parse");
@ -498,11 +497,13 @@ xml2cvec(cxobj *xt,
}
}
}
else
if ((ycv = ys->ys_cv) != NULL){
else if ((ycv = ys->ys_cv) != NULL){
if ((body = xml_body(xc)) != NULL){
/* XXX: cvec_add uses realloc, can we avoid that? */
cv = cvec_i(cvv, i++);
if ((cv = cvec_add(cvv, CGV_STRING)) == NULL){
clicon_err(OE_PLUGIN, errno, "cvec_add");
goto err;
}
if (cv_cp(cv, ycv) < 0){
clicon_err(OE_PLUGIN, errno, "cv_cp");
goto err;
@ -567,6 +568,8 @@ cvec2xml_1(cvec *cvv,
cv = NULL;
i = 0;
while ((cv = cvec_each(cvv, cv)) != NULL) {
if (cv_type_get(cv)==CGV_ERR || cv_name_get(cv) == NULL)
continue;
if ((xn = xml_new(cv_name_get(cv), NULL)) == NULL) /* this leaks */
goto err;
xml_parent_set(xn, xt);