Message ID | f873876770d40238ba1103ce9ba09c5e354ed4d1.1370274768.git.jtomko@redhat.com |
---|---|
State | New |
Headers | show |
Il 03/06/2013 17:54, Ján Tomko ha scritto: > According to RFC 1123 [1], hostnames can start with a digit too. > > [1] http://tools.ietf.org/html/rfc1123#page-13 > > Signed-off-by: Ján Tomko <jtomko@redhat.com> > --- > util/qemu-sockets.c | 13 ++++--------- > 1 file changed, 4 insertions(+), 9 deletions(-) > > diff --git a/util/qemu-sockets.c b/util/qemu-sockets.c > index fdd8dc4..727dafa 100644 > --- a/util/qemu-sockets.c > +++ b/util/qemu-sockets.c > @@ -24,7 +24,6 @@ > > #include "monitor/monitor.h" > #include "qemu/sockets.h" > -#include "qemu-common.h" /* for qemu_isdigit */ > #include "qemu/main-loop.h" > > #ifndef AI_ADDRCONFIG > @@ -511,19 +510,15 @@ InetSocketAddress *inet_parse(const char *str, Error **errp) > goto fail; > } > addr->ipv6 = addr->has_ipv6 = true; > - } else if (qemu_isdigit(str[0])) { > - /* IPv4 addr */ > - if (2 != sscanf(str, "%64[0-9.]:%32[^,]%n", host, port, &pos)) { > - error_setg(errp, "error parsing IPv4 address '%s'", str); > - goto fail; > - } > - addr->ipv4 = addr->has_ipv4 = true; > } else { > - /* hostname */ > + /* hostname or IPv4 addr */ > if (2 != sscanf(str, "%64[^:]:%32[^,]%n", host, port, &pos)) { > error_setg(errp, "error parsing address '%s'", str); > goto fail; > } > + if (strcspn(host, "0123456789.") == 0) { I think what you want here is: if (host[strspn(host, "0123456789.")] == '\0') { Otherwise, you're still basically testing qemu_isdigit(str[0]) || str[0] == '.' Paolo > + addr->ipv4 = addr->has_ipv4 = true; > + } > } > > addr->host = g_strdup(host); >
On 06/18/2013 11:42 AM, Paolo Bonzini wrote: > Il 03/06/2013 17:54, Ján Tomko ha scritto: >> According to RFC 1123 [1], hostnames can start with a digit too. >> >> [1] http://tools.ietf.org/html/rfc1123#page-13 >> >> Signed-off-by: Ján Tomko <jtomko@redhat.com> >> --- >> } else { >> - /* hostname */ >> + /* hostname or IPv4 addr */ >> if (2 != sscanf(str, "%64[^:]:%32[^,]%n", host, port, &pos)) { >> error_setg(errp, "error parsing address '%s'", str); >> goto fail; >> } >> + if (strcspn(host, "0123456789.") == 0) { > > I think what you want here is: > > if (host[strspn(host, "0123456789.")] == '\0') { > Yes, thank you for catching that. Jan > Otherwise, you're still basically testing > > qemu_isdigit(str[0]) || str[0] == '.' > > Paolo > >> + addr->ipv4 = addr->has_ipv4 = true; >> + } >> } >> >> addr->host = g_strdup(host); >> > >
diff --git a/util/qemu-sockets.c b/util/qemu-sockets.c index fdd8dc4..727dafa 100644 --- a/util/qemu-sockets.c +++ b/util/qemu-sockets.c @@ -24,7 +24,6 @@ #include "monitor/monitor.h" #include "qemu/sockets.h" -#include "qemu-common.h" /* for qemu_isdigit */ #include "qemu/main-loop.h" #ifndef AI_ADDRCONFIG @@ -511,19 +510,15 @@ InetSocketAddress *inet_parse(const char *str, Error **errp) goto fail; } addr->ipv6 = addr->has_ipv6 = true; - } else if (qemu_isdigit(str[0])) { - /* IPv4 addr */ - if (2 != sscanf(str, "%64[0-9.]:%32[^,]%n", host, port, &pos)) { - error_setg(errp, "error parsing IPv4 address '%s'", str); - goto fail; - } - addr->ipv4 = addr->has_ipv4 = true; } else { - /* hostname */ + /* hostname or IPv4 addr */ if (2 != sscanf(str, "%64[^:]:%32[^,]%n", host, port, &pos)) { error_setg(errp, "error parsing address '%s'", str); goto fail; } + if (strcspn(host, "0123456789.") == 0) { + addr->ipv4 = addr->has_ipv4 = true; + } } addr->host = g_strdup(host);
According to RFC 1123 [1], hostnames can start with a digit too. [1] http://tools.ietf.org/html/rfc1123#page-13 Signed-off-by: Ján Tomko <jtomko@redhat.com> --- util/qemu-sockets.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-)