/* util.c
* Utility routines
*
- * $Id: util.c,v 1.68 2003/08/18 18:41:24 guy Exp $
+ * $Id$
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
#endif /* __MINGW32__ */
#endif /* HAVE_IO_H */
-#ifdef HAVE_LIBZ
-#include <zlib.h> /* to get the libz version number */
-#endif
-
-#ifdef HAVE_LIBPCAP
-#include <pcap.h>
-#ifdef WIN32
-#include "capture-wpcap.h"
-#endif /* WIN32 */
-#endif /* HAVE_LIBPCAP */
-
-#ifdef HAVE_SOME_SNMP
-
-#ifdef HAVE_NET_SNMP
-#include <net-snmp/version.h>
-#endif /* HAVE_NET_SNMP */
-
-#ifdef HAVE_UCD_SNMP
-#include <ucd-snmp/version.h>
-#endif /* HAVE_UCD_SNMP */
-
-#endif /* HAVE_SOME_SNMP */
-
-#ifdef HAVE_SYS_UTSNAME_H
-#include <sys/utsname.h>
-#endif
-
-#include "util.h"
+#include <epan/address.h>
+#include <epan/addr_resolv.h>
/*
- * See whether the last line in the string goes past column 80; if so,
- * replace the blank at the specified point with a newline.
+ * This has to come after the include of <pcap.h>, as the include of
+ * <pcap.h> might cause <winsock2.h> to be included, and if we've
+ * already included <winsock.h> as a result of including <windows.h>,
+ * we get a bunch of redefinitions.
*/
-static void
-do_word_wrap(GString *str, gint point)
-{
- char *line_begin;
-
- line_begin = strrchr(str->str, '\n');
- if (line_begin == NULL)
- line_begin = str->str;
- else
- line_begin++;
- if (strlen(line_begin) > 80) {
- g_assert(str->str[point] == ' ');
- str->str[point] = '\n';
- }
-}
-
-/*
- * Get various library compile-time versions and append them to
- * the specified GString.
- */
-void
-get_compiled_version_info(GString *str)
-{
-#ifdef HAVE_LIBPCAP
-#ifdef HAVE_PCAP_VERSION
- extern char pcap_version[];
-#endif /* HAVE_PCAP_VERSION */
-#endif /* HAVE_LIBPCAP */
- gint break_point;
-
- g_string_append(str, "with ");
- g_string_sprintfa(str,
-#ifdef GLIB_MAJOR_VERSION
- "GLib %d.%d.%d,", GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION,
- GLIB_MICRO_VERSION);
-#else
- "GLib (version unknown),");
-#endif
-
-#ifdef HAVE_LIBPCAP
- g_string_append(str, " ");
- break_point = str->len - 1;
-#ifdef WIN32
- g_string_append(str, "with WinPcap (version unknown)");
-#else /* WIN32 */
-#ifdef HAVE_PCAP_VERSION
- g_string_sprintfa(str, "with libpcap %s,", pcap_version);
-#else /* HAVE_PCAP_VERSION */
- g_string_append(str, "with libpcap (version unknown)");
-#endif /* HAVE_PCAP_VERSION */
- do_word_wrap(str, break_point);
-#endif /* WIN32 */
-#else /* HAVE_LIBPCAP */
- g_string_append(str, " ");
- break_point = str->len - 1;
-#ifdef WIN32
- g_string_append(str, "without WinPcap,");
-#else /* WIN32 */
- g_string_append(str, "without libpcap,");
-#endif /* WIN32 */
- do_word_wrap(str, break_point);
-#endif /* HAVE_LIBPCAP */
-
- g_string_append(str, " ");
- break_point = str->len - 1;
-#ifdef HAVE_LIBZ
- g_string_append(str, "with libz ");
-#ifdef ZLIB_VERSION
- g_string_append(str, ZLIB_VERSION);
-#else /* ZLIB_VERSION */
- g_string_append(str, "(version unknown)");
-#endif /* ZLIB_VERSION */
-#else /* HAVE_LIBZ */
- g_string_append(str, "without libz");
-#endif /* HAVE_LIBZ */
- g_string_append(str, ",");
- do_word_wrap(str, break_point);
-
-/* Oh, this is pretty. */
-/* Oh, ha. you think that was pretty. Try this:! --Wes */
- g_string_append(str, " ");
- break_point = str->len - 1;
-#ifdef HAVE_SOME_SNMP
-
-#ifdef HAVE_UCD_SNMP
- g_string_append(str, "with UCD-SNMP ");
- g_string_append(str, VersionInfo);
-#endif /* HAVE_UCD_SNMP */
-
-#ifdef HAVE_NET_SNMP
- g_string_append(str, "with Net-SNMP ");
- g_string_append(str, netsnmp_get_version());
-#endif /* HAVE_NET_SNMP */
-
-#else /* no SNMP library */
- g_string_append(str, "without UCD-SNMP or Net-SNMP");
-#endif /* HAVE_SOME_SNMP */
- g_string_append(str, ",");
- do_word_wrap(str, break_point);
-
- g_string_append(str, " ");
- break_point = str->len - 1;
-#ifdef HAVE_GNU_ADNS
- g_string_append(str, "with ADNS");
-#else
- g_string_append(str, "without ADNS");
-#endif /* HAVE_GNU_ADNS */
- do_word_wrap(str, break_point);
-}
-
-/*
- * Get various library run-time versions, and the OS version, and append
- * them to the specified GString.
- */
-void
-get_runtime_version_info(GString *str)
-{
-#if defined(WIN32)
- OSVERSIONINFO info;
-#elif defined(HAVE_SYS_UTSNAME_H)
- struct utsname name;
+#ifdef HAVE_WINDOWS_H
+#include <windows.h>
#endif
-#ifdef HAVE_LIBPCAP
-#ifdef WIN32
- /*
- * On Windows, we might have been compiled with WinPcap but
- * might not have it loaded; indicate whether we have it or
- * not.
- *
- * XXX - when versions of libcap and WinPcap with
- * "pcap_lib_version()" are released, we should use it
- * here if available.
- */
- if (has_wpcap)
- g_string_sprintfa(str, "with WinPcap ");
- else
- g_string_append(str, "without WinPcap ");
-#endif /* WIN32 */
-#endif /* HAVE_LIBPCAP */
-
- g_string_append(str, "on ");
-#if defined(WIN32)
- info.dwOSVersionInfoSize = sizeof info;
- if (!GetVersionEx(&info)) {
- /*
- * XXX - get the failure reason.
- */
- g_string_append(str, "unknown Windows version");
- return;
- }
- switch (info.dwPlatformId) {
-
- case VER_PLATFORM_WIN32s:
- /* Shyeah, right. */
- g_string_sprintfa(str, "Windows 3.1 with Win32s");
- break;
-
- case VER_PLATFORM_WIN32_WINDOWS:
- /* Windows OT */
- switch (info.dwMajorVersion) {
-
- case 4:
- /* 3 cheers for Microsoft marketing! */
- switch (info.dwMinorVersion) {
-
- case 0:
- g_string_sprintfa(str, "Windows 95");
- break;
-
- case 10:
- g_string_sprintfa(str, "Windows 98");
- break;
-
- case 90:
- g_string_sprintfa(str, "Windows Me");
- break;
-
- default:
- g_string_sprintfa(str, "Windows OT, unknown version %u.%u",
- info.dwMajorVersion, info.dwMinorVersion);
- break;
- }
- break;
-
- default:
- g_string_sprintfa(str, "Windows OT, unknown version %u.%u",
- info.dwMajorVersion, info.dwMinorVersion);
- break;
- }
- break;
-
- case VER_PLATFORM_WIN32_NT:
- /* Windows NT */
- switch (info.dwMajorVersion) {
-
- case 3:
- case 4:
- g_string_sprintfa(str, "Windows NT %u.%u",
- info.dwMajorVersion, info.dwMinorVersion);
- break;
-
- case 5:
- /* 3 cheers for Microsoft marketing! */
- switch (info.dwMinorVersion) {
-
- case 0:
- g_string_sprintfa(str, "Windows 2000");
- break;
-
- case 1:
- g_string_sprintfa(str, "Windows XP");
- break;
-
- case 2:
- g_string_sprintfa(str, "Windows Server 2003");
- break;
-
- default:
- g_string_sprintfa(str, "Windows NT, unknown version %u.%u",
- info.dwMajorVersion, info.dwMinorVersion);
- break;
- }
- break;
-
- default:
- g_string_sprintfa(str, "Windows NT, unknown version %u.%u",
- info.dwMajorVersion, info.dwMinorVersion);
- break;
- }
- break;
-
- default:
- g_string_sprintfa(str, "Unknown Windows platform %u version %u.%u",
- info.dwPlatformId, info.dwMajorVersion, info.dwMinorVersion);
- break;
- }
- if (info.szCSDVersion[0] != '\0')
- g_string_sprintfa(str, " %s", info.szCSDVersion);
- g_string_sprintfa(str, ", build %u", info.dwBuildNumber);
-#elif defined(HAVE_SYS_UTSNAME_H)
- /*
- * We have <sys/utsname.h>, so we assume we have "uname()".
- */
- if (uname(&name) < 0) {
- g_string_sprintfa(str, "unknown OS version (uname failed - %s)",
- strerror(errno));
- return;
- }
-
- if (strcmp(name.sysname, "AIX") == 0) {
- /*
- * Yay, IBM! Thanks for doing something different
- * from most of the other UNIXes out there, and
- * making "name.version" apparently be the major
- * version number and "name.release" be the minor
- * version number.
- */
- g_string_sprintfa(str, "%s %s.%s", name.sysname, name.version,
- name.release);
- } else {
- /*
- * XXX - get "version" on any other platforms?
- *
- * On Digital/Tru65 UNIX, it's something unknown.
- * On Solaris, it's some kind of build information.
- * On HP-UX, it appears to be some sort of subrevision
- * thing.
- */
- g_string_sprintfa(str, "%s %s", name.sysname, name.release);
- }
-#else
- g_string_append(str, "an unknown OS");
-#endif
-}
+#include "util.h"
/*
* Collect command-line arguments as a string consisting of the arguments,
int len = strlen(dir);
char *newdir;
- /* Append slash if necessary */
- if (dir[len - 1] == '/') {
+ /* Append path separator if necessary */
+ if (dir[len - 1] == G_DIR_SEPARATOR) {
newdir = dir;
}
else {
newdir = g_malloc(len + 2);
strcpy(newdir, dir);
- strcat(newdir, "/");
+ strcat(newdir, G_DIR_SEPARATOR_S);
}
return newdir;
}
}
static char *tmpdir = NULL;
-#ifdef WIN32
+#ifdef _WIN32
static char *temp = NULL;
#endif
static char *E_tmpdir;
if (!initialized) {
if ((dir = getenv("TMPDIR")) != NULL)
tmpdir = setup_tmpdir(dir);
-#ifdef WIN32
+#ifdef _WIN32
if ((dir = getenv("TEMP")) != NULL)
temp = setup_tmpdir(dir);
#endif
return fd;
}
-#ifdef WIN32
+#ifdef _WIN32
if (temp != NULL) {
fd = try_tempfile(namebuf, namebuflen, temp, pfx);
if (fd != -1)
if (fd != -1)
return fd;
- return try_tempfile(namebuf, namebuflen, "/tmp", pfx);
-}
-
-/* ASCII/EBCDIC conversion tables from
- * http://www.room42.com/store/computer_center/code_tables.shtml
- */
-#if 0
-static guint8 ASCII_translate_EBCDIC [ 256 ] = {
- 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
- 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
- 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
- 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
- 0x40, 0x5A, 0x7F, 0x7B, 0x5B, 0x6C, 0x50, 0x7D, 0x4D,
- 0x5D, 0x5C, 0x4E, 0x6B, 0x60, 0x4B, 0x61,
- 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8,
- 0xF9, 0x7A, 0x5E, 0x4C, 0x7E, 0x6E, 0x6F,
- 0x7C, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8,
- 0xC9, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6,
- 0xD7, 0xD8, 0xD9, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
- 0xE8, 0xE9, 0xAD, 0xE0, 0xBD, 0x5F, 0x6D,
- 0x7D, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88,
- 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96,
- 0x97, 0x98, 0x99, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7,
- 0xA8, 0xA9, 0xC0, 0x6A, 0xD0, 0xA1, 0x4B,
- 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
- 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
- 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
- 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
- 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
- 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
- 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
- 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
- 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
- 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
- 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
- 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
- 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
- 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
- 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B,
- 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B, 0x4B
-};
-
-void
-ASCII_to_EBCDIC(guint8 *buf, guint bytes)
-{
- guint i;
- guint8 *bufptr;
-
- bufptr = buf;
-
- for (i = 0; i < bytes; i++, bufptr++) {
- *bufptr = ASCII_translate_EBCDIC[*bufptr];
- }
-}
-
-guint8
-ASCII_to_EBCDIC1(guint8 c)
-{
- return ASCII_translate_EBCDIC[c];
-}
-#endif
-
-static guint8 EBCDIC_translate_ASCII [ 256 ] = {
- 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
- 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
- 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
- 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
- 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28,
- 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
- 0x2E, 0x2E, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38,
- 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x2E, 0x3F,
- 0x20, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E,
- 0x2E, 0x2E, 0x2E, 0x3C, 0x28, 0x2B, 0x7C,
- 0x26, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E,
- 0x2E, 0x21, 0x24, 0x2A, 0x29, 0x3B, 0x5E,
- 0x2D, 0x2F, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E,
- 0x2E, 0x7C, 0x2C, 0x25, 0x5F, 0x3E, 0x3F,
- 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E,
- 0x2E, 0x3A, 0x23, 0x40, 0x27, 0x3D, 0x22,
- 0x2E, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68,
- 0x69, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E,
- 0x2E, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71,
- 0x72, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E,
- 0x2E, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79,
- 0x7A, 0x2E, 0x2E, 0x2E, 0x5B, 0x2E, 0x2E,
- 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E,
- 0x2E, 0x2E, 0x2E, 0x2E, 0x5D, 0x2E, 0x2E,
- 0x7B, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48,
- 0x49, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E,
- 0x7D, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, 0x51,
- 0x52, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E,
- 0x5C, 0x2E, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59,
- 0x5A, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E,
- 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38,
- 0x39, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E, 0x2E
-};
-
-void
-EBCDIC_to_ASCII(guint8 *buf, guint bytes)
-{
- guint i;
- guint8 *bufptr;
-
- bufptr = buf;
-
- for (i = 0; i < bytes; i++, bufptr++) {
- *bufptr = EBCDIC_translate_ASCII[*bufptr];
- }
-}
-
-guint8
-EBCDIC_to_ASCII1(guint8 c)
-{
- return EBCDIC_translate_ASCII[c];
+ return try_tempfile(namebuf, namebuflen, G_DIR_SEPARATOR_S "tmp", pfx);
}
/* Compute the difference between two seconds/microseconds time stamps. */
}
}
-/* Decode a base64 string in-place - simple and slow algorithm.
- Return length of result. Taken from rproxy/librsync/base64.c by
- Andrew Tridgell. */
+/* Try to figure out if we're remotely connected, e.g. via ssh or
+ Terminal Server, and create a capture filter that matches aspects of the
+ connection. We match the following environment variables:
-size_t base64_decode(char *s)
-{
- static const char b64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
- int bit_offset, byte_offset, idx, i, n;
- unsigned char *d = (unsigned char *)s;
- char *p;
-
- n=i=0;
-
- while (*s && (p=strchr(b64, *s))) {
- idx = (int)(p - b64);
- byte_offset = (i*6)/8;
- bit_offset = (i*6)%8;
- d[byte_offset] &= ~((1<<(8-bit_offset))-1);
- if (bit_offset < 3) {
- d[byte_offset] |= (idx << (2-bit_offset));
- n = byte_offset+1;
- } else {
- d[byte_offset] |= (idx >> (bit_offset-2));
- d[byte_offset+1] = 0;
- d[byte_offset+1] |= (idx << (8-(bit_offset-2))) & 0xFF;
- n = byte_offset+2;
+ SSH_CONNECTION (ssh): <remote IP> <remote port> <local IP> <local port>
+ SSH_CLIENT (ssh): <remote IP> <remote port> <local port>
+ REMOTEHOST (tcsh, others?): <remote name>
+ DISPLAY (x11): [remote name]:<display num>
+ CLIENTNAME (terminal server): <remote name>
+ */
+
+gchar *get_conn_cfilter(void) {
+ static GString *filter_str = NULL;
+ gchar *env, **tokens;
+
+ if (filter_str == NULL) {
+ filter_str = g_string_new("");
+ }
+ if ((env = getenv("SSH_CONNECTION")) != NULL) {
+ tokens = g_strsplit(env, " ", 4);
+ if (tokens[3]) {
+ g_string_sprintf(filter_str, "not (tcp port %s and %s host %s "
+ "and tcp port %s and %s host %s)", tokens[1], host_ip_af(tokens[0]), tokens[0],
+ tokens[3], host_ip_af(tokens[2]), tokens[2]);
+ return filter_str->str;
+ }
+ } else if ((env = getenv("SSH_CLIENT")) != NULL) {
+ tokens = g_strsplit(env, " ", 3);
+ g_string_sprintf(filter_str, "not (tcp port %s and %s host %s "
+ "and tcp port %s)", tokens[1], host_ip_af(tokens[0]), tokens[0], tokens[2]);
+ return filter_str->str;
+ } else if ((env = getenv("REMOTEHOST")) != NULL) {
+ if (strcasecmp(env, "localhost") == 0 || strcmp(env, "127.0.0.1") == 0) {
+ return "";
+ }
+ g_string_sprintf(filter_str, "not %s host %s", host_ip_af(env), env);
+ return filter_str->str;
+ } else if ((env = getenv("DISPLAY")) != NULL) {
+ tokens = g_strsplit(env, ":", 2);
+ if (tokens[0] && tokens[0][0] != 0) {
+ if (strcasecmp(tokens[0], "localhost") == 0 ||
+ strcmp(tokens[0], "127.0.0.1") == 0) {
+ return "";
+ }
+ g_string_sprintf(filter_str, "not %s host %s",
+ host_ip_af(tokens[0]), tokens[0]);
+ return filter_str->str;
+ }
+ } else if ((env = getenv("CLIENTNAME")) != NULL) {
+ if (g_strcasecmp("console", env) != 0) {
+ g_string_sprintf(filter_str, "not %s host %s", host_ip_af(env), env);
+ return filter_str->str;
}
- s++; i++;
}
-
- return n;
+ return "";
}
git.samba.org / obnox / wireshark / wip.git / blobdiff