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util/uri: Add overflow check to rfc3986_parse_port

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And while at it, replace tabs by eight spaces in this function.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <1424887718-10800-2-git-send-email-mreitz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Max Reitz
2015-02-25 13:08:14 -05:00
committed by Paolo Bonzini
parent 8b2f0abfd6
commit 2b21233061
1 changed files with 14 additions and 10 deletions
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24
util/uri.c
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@ -320,19 +320,23 @@ static int
rfc3986_parse_port(URI *uri, const char **str) rfc3986_parse_port(URI *uri, const char **str)
{ {
const char *cur = *str; const char *cur = *str;
int port = 0;
if (ISA_DIGIT(cur)) { if (ISA_DIGIT(cur)) {
if (uri != NULL) while (ISA_DIGIT(cur)) {
uri->port = 0; port = port * 10 + (*cur - '0');
while (ISA_DIGIT(cur)) { if (port > 65535) {
if (uri != NULL) return 1;
uri->port = uri->port * 10 + (*cur - '0'); }
cur++; cur++;
} }
*str = cur; if (uri) {
return(0); uri->port = port;
}
*str = cur;
return 0;
} }
return(1); return 1;
} }
/** /**