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scanner: Reject attributes that are not valid for an element

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This would be caught by the DTD but DTD validation is not fatal by
default.

Signed-off-by: Demi Marie Obenour <demiobenour@gmail.com>
This commit is contained in:
Demi Marie Obenour 2024-08-10 18:57:25 -04:00
parent 2a122485b3
commit b39e45c48d
1 changed files with 9 additions and 4 deletions
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13
src/scanner.c
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@ -770,22 +770,27 @@ start_element(void *data, const char *element_name, const char **atts)
allow_null = atts[i + 1];
else if (strcmp(atts[i], "enum") == 0)
enumeration_name = atts[i + 1];
else if (strcmp(atts[i], "bitfield") == 0)
else if (strcmp(atts[i], "bitfield") == 0) {
if (strcmp(element_name, "enum"))
fail(&ctx->loc, "bitfield attribute only valid on enum element");
bitfield = atts[i + 1];
else
} else {
fail(&ctx->loc, "invalid attribute name (%s)", atts[i]);
}
}
ctx->character_data_length = 0;
if (strcmp(element_name, "protocol") == 0) {
if (name == NULL)
fail(&ctx->loc, "no protocol name given");
if (atts[2])
fail(&ctx->loc, "Unexpected attribute for protocol element");
validate_identifier(&ctx->loc, name, STANDALONE_IDENT);
ctx->protocol->name = xstrdup(name);
ctx->protocol->uppercase_name = uppercase_dup(name);
} else if (strcmp(element_name, "copyright") == 0) {
if (atts[0])
fail(&ctx->loc, "copyright element takes no attributes");
} else if (strcmp(element_name, "interface") == 0) {
if (name == NULL)
fail(&ctx->loc, "no interface name given");