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Merge pull request #12866 from anlancs/lib/dotas-zero

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lib: some ASNUMs should be forbidden
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Donatas Abraitis 2023-02-27 11:05:47 +02:00 committed by GitHub
commit 148ad13257
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1 changed files with 11 additions and 1 deletions
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12
lib/asn.c
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@ -52,6 +52,10 @@ static bool asn_str2asn_internal(const char *asstring, as_t *asn,
if (!isdigit((unsigned char)*p)) if (!isdigit((unsigned char)*p))
goto end; goto end;
/* leading zero is forbidden */
if (*p == '0' && isdigit((unsigned char)*(p + 1)))
goto end;
temp_val = 0; temp_val = 0;
while (isdigit((unsigned char)*p)) { while (isdigit((unsigned char)*p)) {
digit = (*p) - '0'; digit = (*p) - '0';
@ -65,11 +69,17 @@ static bool asn_str2asn_internal(const char *asstring, as_t *asn,
high = (uint32_t)temp_val; high = (uint32_t)temp_val;
if (*p == '.') { /* dot format */ if (*p == '.') { /* dot format */
p++; p++;
temp_val = 0;
if (*p == '\0' && partial) { if (*p == '\0' && partial) {
*partial = true; *partial = true;
goto end; goto end;
} }
/* leading zero is forbidden */
if (*p == '0' && isdigit((unsigned char)*(p + 1)))
goto end;
temp_val = 0;
while (isdigit((unsigned char)*p)) { while (isdigit((unsigned char)*p)) {
digit = (*p) - '0'; digit = (*p) - '0';
temp_val *= 10; temp_val *= 10;