Patch by Hugo Santos:

* added additional address family names
* support dumping the contents of ifreq (only interface name right now)
  and of ifconf (dumps the maximum of 8 interfaces)
* added <sys/sockio.h> ioctl names and type handling


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20448 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/bin/strace/NetworkTypes.cpp

@@ -107,7 +107,7 @@ format_pointer_value(Context &context, void *address)
 {
 	Type data;
 
-	if (obtain_pointer_data(context, &data, address,Context::COMPLEX_STRUCTS))
+	if (obtain_pointer_data(context, &data, address, Context::COMPLEX_STRUCTS))
 		return "{" + format_pointer(context, &data) + "}";
 
 	return context.FormatPointer(address);
@@ -129,9 +129,18 @@ static string
 format_socket_family(Context &context, int family)
 {
 	if (context.GetContents(Context::ENUMERATIONS)) {
+#define SOCKET_FAMILY(family) \
+		case family: \
+			return #family
+
 		switch (family) {
-		case AF_INET:
-			return "AF_INET";
+		SOCKET_FAMILY(AF_UNSPEC);
+		SOCKET_FAMILY(AF_INET);
+		SOCKET_FAMILY(AF_APPLETALK);
+		SOCKET_FAMILY(AF_ROUTE);
+		SOCKET_FAMILY(AF_LINK);
+		SOCKET_FAMILY(AF_INET6);
+		SOCKET_FAMILY(AF_LOCAL);
 		}
 	}
 
@@ -378,6 +387,60 @@ format_pointer(Context &context, msghdr *h)
 	return r;
 }
 
+static string
+format_pointer(Context &context, ifreq *ifr)
+{
+	return string(ifr->ifr_name) + ", ...";
+}
+
+static string
+format_pointer(Context &context, ifconf *conf)
+{
+	unsigned char buffer[sizeof(ifreq) * 8];
+	int maxData = sizeof(buffer);
+	int32 bytesRead;
+
+	if (conf->ifc_len < maxData)
+		maxData = conf->ifc_len;
+
+	string r = "len = " + context.FormatSigned(conf->ifc_len);
+
+	if (conf->ifc_len == 0)
+		return r;
+
+	status_t err = context.Reader().Read(conf->ifc_buf, buffer,
+					     maxData, bytesRead);
+	if (err != B_OK)
+		return r + ", buf = " + context.FormatPointer(conf->ifc_buf);
+
+	r += ", [";
+
+	uint8 *current = buffer, *bufferEnd = buffer + bytesRead;
+	for (int i = 0; i < 8; i++) {
+		if ((bufferEnd - current) < (IF_NAMESIZE + 1))
+			break;
+
+		ifreq *ifr = (ifreq *)current;
+		int size = IF_NAMESIZE + ifr->ifr_addr.sa_len;
+
+		if ((bufferEnd - current) < size)
+			break;
+
+		if (i > 0)
+			r += ", ";
+
+		r += "{" + string(ifr->ifr_name) + ", {"
+			 + format_pointer(context, &ifr->ifr_addr) + "}}";
+
+		current += size;
+	}
+
+	if (current < bufferEnd)
+		r += ", ...";
+
+	return r + "]";
+}
+
 template<typename Type>
 class SpecializedPointerTypeHandler : public TypeHandler {
 	string GetParameterValue(Context &context, Parameter *,
@@ -410,3 +473,5 @@ POINTER_TYPE(transfer_args_ptr, struct transfer_args);
 POINTER_TYPE(sockopt_args_ptr, struct sockopt_args);
 POINTER_TYPE(socket_args_ptr, struct socket_args);
 POINTER_TYPE(msghdr_ptr, struct msghdr);
+POINTER_TYPE(ifreq_ptr, struct ifreq);
+POINTER_TYPE(ifconf_ptr, struct ifconf);

src/bin/strace/TypeHandler.cpp

@@ -93,6 +93,9 @@ static
 string
 read_string(Context &context, void *data)
 {
+	if (data == NULL || !context.GetContents(Context::STRINGS))
+		return context.FormatPointer(data);
+
 	char buffer[256];
 	int32 bytesRead;
 	status_t error = context.Reader().Read(data, buffer, sizeof(buffer), bytesRead);
@@ -140,19 +143,14 @@ string
 TypeHandlerImpl<const char*>::GetParameterValue(Context &context, Parameter *,
 						const void *address)
 {
-	void *data = *(void **)address;
-	if (data != NULL && context.GetContents(Context::STRINGS))
-		return read_string(context, data);
-
-	return context.FormatPointer(data);
+	return read_string(context, *(void **)address);
 }
 
 template<>
 string
 TypeHandlerImpl<const char*>::GetReturnValue(Context &context, uint64 value)
 {
-	void *ptr = (void *)value;
-	return GetParameterValue(context, NULL, (const void *)&ptr);
+	return read_string(context, (void *)value);
 }
 
 EnumTypeHandler::EnumTypeHandler(const EnumMap &m) : fMap(m) {}

src/bin/strace/TypeHandler.h

@@ -102,6 +102,8 @@ DEFINE_FACTORY(sockaddr_args_ptr, struct sockaddr_args *);
 DEFINE_FACTORY(transfer_args_ptr, struct transfer_args *);
 DEFINE_FACTORY(sockopt_args_ptr, struct sockopt_args *);
 DEFINE_FACTORY(socket_args_ptr, struct socket_args *);
+DEFINE_FACTORY(ifreq_ptr, struct ifreq *);
+DEFINE_FACTORY(ifconf_ptr, struct ifconf *);
 
 DEFINE_FACTORY(int_ptr, int *);
 DEFINE_FACTORY(long_ptr, long *);

src/bin/strace/ioctl.cpp

@@ -7,6 +7,7 @@
  */
 
 #include <net_stack_driver.h>
+#include <sys/sockio.h>
 #include <termios.h>
 
 #include "strace.h"
@@ -47,6 +48,47 @@ static const ioctl_info kIOCtls[] = {
 	IOCTL_INFO_ENTRY(NET_STACK_SOCKETPAIR),
 	IOCTL_INFO_ENTRY(NET_STACK_NOTIFY_SOCKET_EVENT),
 
+	// <sys/sockio.h>
+	IOCTL_INFO_ENTRY(SIOCADDRT),
+	IOCTL_INFO_ENTRY(SIOCDELRT),
+	IOCTL_INFO_ENTRY_TYPE(SIOCSIFADDR, struct ifreq *),
+	IOCTL_INFO_ENTRY_TYPE(SIOCGIFADDR, struct ifreq *),
+	IOCTL_INFO_ENTRY_TYPE(SIOCSIFDSTADDR, struct ifreq *),
+	IOCTL_INFO_ENTRY_TYPE(SIOCGIFDSTADDR, struct ifreq *),
+	IOCTL_INFO_ENTRY_TYPE(SIOCSIFFLAGS, struct ifreq *),
+	IOCTL_INFO_ENTRY_TYPE(SIOCGIFFLAGS, struct ifreq *),
+	IOCTL_INFO_ENTRY_TYPE(SIOCGIFBRDADDR, struct ifreq *),
+	IOCTL_INFO_ENTRY_TYPE(SIOCSIFBRDADDR, struct ifreq *),
+	IOCTL_INFO_ENTRY(SIOCGIFCOUNT),
+	IOCTL_INFO_ENTRY_TYPE(SIOCGIFCONF, struct ifconf *),
+	IOCTL_INFO_ENTRY_TYPE(SIOCGIFINDEX, struct ifreq *),
+	IOCTL_INFO_ENTRY(SIOCGIFNAME),
+	IOCTL_INFO_ENTRY(SIOCGIFNETMASK),
+	IOCTL_INFO_ENTRY(SIOCSIFNETMASK),
+	IOCTL_INFO_ENTRY_TYPE(SIOCGIFMETRIC, struct ifreq *),
+	IOCTL_INFO_ENTRY_TYPE(SIOCSIFMETRIC, struct ifreq *),
+	IOCTL_INFO_ENTRY_TYPE(SIOCDIFADDR, struct ifreq *),
+	IOCTL_INFO_ENTRY_TYPE(SIOCAIFADDR, struct ifreq *),
+	IOCTL_INFO_ENTRY(SIOCADDMULTI),
+	IOCTL_INFO_ENTRY(SIOCDELMULTI),
+	IOCTL_INFO_ENTRY_TYPE(SIOCGIFMTU, struct ifreq *),
+	IOCTL_INFO_ENTRY_TYPE(SIOCSIFMTU, struct ifreq *),
+	IOCTL_INFO_ENTRY(SIOCSIFMEDIA),
+	IOCTL_INFO_ENTRY(SIOCGIFMEDIA),
+	IOCTL_INFO_ENTRY(SIOCGRTSIZE),
+	IOCTL_INFO_ENTRY(SIOCGRTTABLE),
+	IOCTL_INFO_ENTRY_TYPE(SIOCGIFSTATS, struct ifreq *),
+	IOCTL_INFO_ENTRY_TYPE(SIOCGIFPARAM, struct ifreq *),
+	IOCTL_INFO_ENTRY(SIOCGIFTYPE),
+	IOCTL_INFO_ENTRY(SIOCSPACKETCAP),
+	IOCTL_INFO_ENTRY(SIOCCPACKETCAP),
+	IOCTL_INFO_ENTRY(SIOCSHIWAT),
+	IOCTL_INFO_ENTRY(SIOCGHIWAT),
+	IOCTL_INFO_ENTRY(SIOCSLOWAT),
+	IOCTL_INFO_ENTRY(SIOCGLOWAT),
+	IOCTL_INFO_ENTRY(SIOCATMARK),
+	IOCTL_INFO_ENTRY(SIOCSPGRP),
+
 	// termios ioctls
 	IOCTL_INFO_ENTRY(TCGETA),
 	IOCTL_INFO_ENTRY(TCSETA),