diff options
| -rw-r--r-- | util/qemu-sockets.c | 44 |
1 files changed, 40 insertions, 4 deletions
diff --git a/util/qemu-sockets.c b/util/qemu-sockets.c index d6a1e17..fbbef69 100644 --- a/util/qemu-sockets.c +++ b/util/qemu-sockets.c @@ -554,6 +554,33 @@ err: } /* compatibility wrapper */ +static int inet_parse_flag(const char *flagname, const char *optstr, bool *val, + Error **errp) +{ + char *end; + size_t len; + + end = strstr(optstr, ","); + if (end) { + if (end[1] == ',') { /* Reject 'ipv6=on,,foo' */ + error_setg(errp, "error parsing '%s' flag '%s'", flagname, optstr); + return -1; + } + len = end - optstr; + } else { + len = strlen(optstr); + } + if (len == 0 || (len == 3 && strncmp(optstr, "=on", len) == 0)) { + *val = true; + } else if (len == 4 && strncmp(optstr, "=off", len) == 0) { + *val = false; + } else { + error_setg(errp, "error parsing '%s' flag '%s'", flagname, optstr); + return -1; + } + return 0; +} + int inet_parse(InetSocketAddress *addr, const char *str, Error **errp) { const char *optstr, *h; @@ -561,6 +588,7 @@ int inet_parse(InetSocketAddress *addr, const char *str, Error **errp) char port[33]; int to; int pos; + char *begin; memset(addr, 0, sizeof(*addr)); @@ -602,11 +630,19 @@ int inet_parse(InetSocketAddress *addr, const char *str, Error **errp) addr->has_to = true; addr->to = to; } - if (strstr(optstr, ",ipv4")) { - addr->ipv4 = addr->has_ipv4 = true; + begin = strstr(optstr, ",ipv4"); + if (begin) { + if (inet_parse_flag("ipv4", begin + 5, &addr->ipv4, errp) < 0) { + return -1; + } + addr->has_ipv4 = true; } - if (strstr(optstr, ",ipv6")) { - addr->ipv6 = addr->has_ipv6 = true; + begin = strstr(optstr, ",ipv6"); + if (begin) { + if (inet_parse_flag("ipv6", begin + 5, &addr->ipv6, errp) < 0) { + return -1; + } + addr->has_ipv6 = true; } return 0; } |