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Fixed: [Using the characters '<' and '>' might cause an invalid diff](https://github.com/clicon/clixon-controller/issues/73)

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This commit is contained in:
Olof hagsand 2023-12-09 14:11:18 +01:00
parent 574106125f
commit 4d91ce0995
3 changed files with 36 additions and 4 deletions
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31
lib/src/clixon_xml_io.c
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@ -989,6 +989,8 @@ xml_diff2cbuf(cbuf *cb,
yang_stmt *yc1;
char *b0;
char *b1;
char *e0 = NULL;
char *e1 = NULL;
int eq;
int nr=0;
int level1;
@ -1079,10 +1081,31 @@ xml_diff2cbuf(cbuf *cb,
xml_diff_keys(cb, x0, y0, (level+1)*PRETTYPRINT_INDENT);
nr++;
}
/* Encode data to XML */
if (b0){
if (xml_chardata_encode(&e0, "%s", b0) < 0)
goto done;
}
else
e0 = NULL;
if (b1){
if (xml_chardata_encode(&e1, "%s", b1) < 0)
goto done;
}
else
e1 = NULL;
cprintf(cb, "-%*s%s>%s</%s>\n", ((level+1)*PRETTYPRINT_INDENT-1), "<",
xml_name(x0c), b0, xml_name(x0c));
xml_name(x0c), e0, xml_name(x0c));
cprintf(cb, "+%*s%s>%s</%s>\n", ((level+1)*PRETTYPRINT_INDENT-1), "<",
xml_name(x1c), b1, xml_name(x1c));
xml_name(x1c), e1, xml_name(x1c));
if (e0){
free(e0);
e0 = NULL;
}
if (e1){
free(e1);
e1 = NULL;
}
}
}
else if (xml_diff2cbuf(cb, x0c, x1c, level+1, 0) < 0)
@ -1097,6 +1120,10 @@ xml_diff2cbuf(cbuf *cb,
cprintf(cb, "%*s</%s>\n", level*PRETTYPRINT_INDENT, "", xml_name(x0));
retval = 0;
done:
if (e0)
free(e0);
if (e1)
free(e1);
return retval;
}