diff options
Diffstat (limited to 'spectro/mongoose.c')
| -rw-r--r-- | spectro/mongoose.c | 131 |
1 files changed, 130 insertions, 1 deletions
diff --git a/spectro/mongoose.c b/spectro/mongoose.c index e1df94a..019101e 100644 --- a/spectro/mongoose.c +++ b/spectro/mongoose.c @@ -18,6 +18,34 @@ // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN // THE SOFTWARE. +/* + Fedora 18+ and similar pose a problem with their use of FirewallD. + + Either the user has to enable tcp ports 8080 & 8081 in their zone using + firewall-config, or we have to add a DBUS function here to add and then + remove the port dynamically, which will probably require root access :-( + + There's no doco for the last - see: + gdbus introspect --system --dest org.fedoraproject.FirewallD1 + --object-path /org/fedoraproject/FirewallD1 + + + Maybe we could supply a firewalld.service configuration file for + the Argyll apps ? We'd have to use a fixed port no. though ? + + Something like: + + <?xml version="1.0" encoding="utf-8"?> + <service version="1.0"> + <short>ArgyllCMS</short> + <description>Allow web window and ChromeCast access</description> + <port port="8080" protocol="tcp"/> + <port port="8081" protocol="tcp"/> + </service> + + added to /usr/lib/firewalld/services + */ + #if defined(_WIN32) #define _CRT_SECURE_NO_WARNINGS // Disable deprecation warning in VS2005 #else @@ -183,6 +211,7 @@ typedef struct DIR { #include <sys/wait.h> #include <sys/socket.h> #include <sys/select.h> +#include <ifaddrs.h> #include <netinet/in.h> #include <arpa/inet.h> #include <sys/time.h> @@ -4026,10 +4055,110 @@ static int set_ports_option(struct mg_context *ctx) { if (!success) { close_all_listening_sockets(ctx); } - return success; } +// Get the allocated port number of the first port 0 listener, +// or the last non-0 port listener. +// Return 0 on error +int mg_get_listening_port(struct mg_context *ctx) { + struct socket *sp, *tmp; + union usa rsa; /* resolved socket address */ + socklen_t rsa_len = sizeof(rsa); + int rv = 0; + for (sp = ctx->listening_sockets; sp != NULL; sp = sp->next) { + if (ntohs(sp->lsa.sin.sin_port) == 0) { + if (!getsockname(ctx->listening_sockets->sock, (struct sockaddr *)&rsa, &rsa_len)) + rv = ntohs(rsa.sin.sin_port); + break; + } else { + rv = ntohs(sp->lsa.sin.sin_port); /* Return the last port found */ + } + } + return rv; +} + +// Get a URL for accessing the server. */ +// Return NULL on error. Free after use. +char *mg_get_url(struct mg_context *ctx) { + int portno = mg_get_listening_port(ctx); + char *rv = NULL; + + if (portno == 0) + return NULL; + + /* Create a suitable URL for accessing the server */ +#if _WIN32 + { + char szHostName[255]; + struct hostent *host_entry; + char *localIP; + char buf[100]; + + /* We assume WinSock has been started by mongoose */ + + // Get the local hostname + gethostname(szHostName, 255); + host_entry = gethostbyname(szHostName); + /* Get first entry */ + localIP = inet_ntoa(*(struct in_addr *)*host_entry->h_addr_list); + + sprintf(buf,"http://%s:%d/",localIP,portno); + rv = strdup(buf); + } +#else + { + struct ifaddrs *ifAddrStruct = NULL; + struct ifaddrs *ifa = NULL; + void *tmpAddrPtr = NULL; + char abuf[INET_ADDRSTRLEN] = ""; +#ifdef AF_INET6 + char abuf6[INET6_ADDRSTRLEN] = ""; +#endif + char buf[100]; + + getifaddrs(&ifAddrStruct); + + /* Look first for the first IPV4 address */ + for (ifa = ifAddrStruct; ifa != NULL; ifa = ifa->ifa_next) { +#ifdef AF_INET6 + if (ifa->ifa_addr->sa_family==AF_INET) { /* IP4 ? */ +#endif + if (strncmp(ifa->ifa_name, "lo",2) == 0 || abuf[0] != '\000') + continue; /* Skip local */ + tmpAddrPtr = &((struct sockaddr_in *)ifa->ifa_addr)->sin_addr; + inet_ntop(AF_INET, tmpAddrPtr, abuf, INET_ADDRSTRLEN); + sprintf(buf,"http://%s:%d/",abuf,portno); + break; + } + } + +#ifdef AF_INET6 + /* If that didn't work, look for IPV6 address */ + if (ifa == NULL) { + for (ifa = ifAddrStruct; ifa != NULL; ifa = ifa->ifa_next) { + if (ifa->ifa_addr->sa_family==AF_INET6) { /* IP6 ? */ + if (strncmp(ifa->ifa_name, "lo",2) == 0 || abuf6[0] != '\000') + continue; /* Skip local */ + tmpAddrPtr = &((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_addr; + inet_ntop(AF_INET6, tmpAddrPtr, abuf6, INET6_ADDRSTRLEN); + sprintf(buf,"http://[%s]:%d/",abuf6,portno); + break; + } + } + } +#endif + if (ifAddrStruct != NULL) + freeifaddrs(ifAddrStruct); + + rv = strdup(buf); + } +#endif /* _WIN32 */ + + return rv; +} + + static void log_header(const struct mg_connection *conn, const char *header, FILE *fp) { const char *header_value; |