(/home/sate/Testcases/c/cve/wireshark-1.2.0/epan/dissectors/packet-sip.c) |
| |
| 1778 | | | dissect_sip_common(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, |
| 1779 | | | gboolean dissect_other_as_continuation, gboolean use_reassembly) |
| 1780 | | | { |
| 1781 | | | int orig_offset; |
| 1782 | | | gint next_offset, linelen; |
| 1783 | | | int content_length, datalen, reported_datalen; |
| 1784 | | | line_type_t line_type; |
| 1785 | | | tvbuff_t *next_tvb; |
| 1786 | | | gboolean is_known_request; |
| 1787 | | | gboolean found_match = FALSE; |
| 1788 | | | const char *descr; |
| 1789 | | | guint token_1_len = 0; |
| 1790 | | | guint current_method_idx = 0; |
| 1791 | | | proto_item *ts = NULL, *ti = NULL, *th = NULL, *sip_element_item = NULL; |
| 1792 | | | proto_tree *sip_tree = NULL, *reqresp_tree = NULL , *hdr_tree = NULL, |
| 1793 | | | *sip_element_tree = NULL, *message_body_tree = NULL, *cseq_tree = NULL, |
| 1794 | | | *via_tree = NULL, *reason_tree = NULL, *rack_tree = NULL; |
| 1795 | | | guchar contacts = 0, contact_is_star = 0, expires_is_0 = 0; |
| 1796 | | | guint32 cseq_number = 0; |
| 1797 | | | guchar cseq_number_set = 0; |
| 1798 | | | char cseq_method[MAX_CSEQ_METHOD_SIZE] = ""; |
| 1799 | | | char call_id[MAX_CALL_ID_SIZE] = ""; |
| 1800 | | | gchar *media_type_str_lower_case = NULL; |
| 1801 | | | char *content_type_parameter_str = NULL; |
| 1802 | | | guint resend_for_packet = 0; |
| 1803 | | | guint request_for_response = 0; |
| 1804 | | | guint32 response_time = 0; |
| 1805 | | | int strlen_to_copy; |
| 1806 | | | |
| 1807 | | | |
| 1808 | | | |
| 1809 | | | |
| 1810 | | | |
| 1811 | | | |
| 1812 | | | |
| 1813 | | | |
| 1814 | | | |
| 1815 | | | |
| 1816 | | | orig_offset = offset; |
| 1817 | | | linelen = tvb_find_line_end(tvb, offset, -1, &next_offset, FALSE); |
| 1818 | | | if (tvb_strnlen(tvb, offset, linelen) > -1) |
| 1819 | | | { |
| 1820 | | | |
| 1821 | | | |
| 1822 | | | |
| 1823 | | | |
| 1824 | | | |
| 1825 | | | return -2; |
| 1826 | | | } |
| 1827 | | | line_type = sip_parse_line(tvb, offset, linelen, &token_1_len); |
| 1828 | | | |
| 1829 | | | if (line_type == OTHER_LINE) { |
| 1830 | | | |
| 1831 | | | |
| 1832 | | | |
| 1833 | | | if (!dissect_other_as_continuation) { |
| 1834 | | | |
| 1835 | | | |
| 1836 | | | |
| 1837 | | | return -2; |
| 1838 | | | } |
| 1839 | | | |
| 1840 | | | |
| 1841 | | | |
| 1842 | | | |
| 1843 | | | } else if (use_reassembly) { |
| 1844 | | | |
| 1845 | | | |
| 1846 | | | |
| 1847 | | | |
| 1848 | | | |
| 1849 | | | |
| 1850 | | | if (!req_resp_hdrs_do_reassembly(tvb, offset, pinfo, |
| 1851 | | | , sip_desegment_body)) { |
| 1852 | | | |
| 1853 | | | |
| 1854 | | | |
| 1855 | | | return -1; |
| 1856 | | | } |
| 1857 | | | } |
| 1858 | | | |
| 1859 | | | |
| 1860 | | | stat_info = ep_alloc(sizeof(sip_info_value_t)); |
| 1861 | | | stat_info->response_code = 0; |
| 1862 | | | stat_info->request_method = NULL; |
| 1863 | | | stat_info->reason_phrase = NULL; |
| 1864 | | | stat_info->resend = 0; |
| 1865 | | | stat_info->setup_time = 0; |
| 1866 | | | stat_info->tap_call_id = NULL; |
| 1867 | | | stat_info->tap_from_addr = NULL; |
| 1868 | | | stat_info->tap_to_addr = NULL; |
| 1869 | | | |
| 1870 | | | if (check_col(pinfo->cinfo, COL_PROTOCOL)) |
| 1871 | | | col_set_str(pinfo->cinfo, COL_PROTOCOL, "SIP"); |
| 1872 | | | |
| 1873 | | | switch (line_type) { |
| 1874 | | | |
| 1875 | | | case REQUEST_LINE: |
| 1876 | | | is_known_request = sip_is_known_request(tvb, offset, token_1_len, ¤t_method_idx); |
| 1877 | | | descr = is_known_request ? "Request" : "Unknown request"; |
| 1878 | | | if (check_col(pinfo->cinfo, COL_INFO)) { |
| 1879 | | | col_add_fstr(pinfo->cinfo, COL_INFO, "%s: %s", |
| 1880 | | | descr, |
| 1881 | | | tvb_format_text(tvb, offset, linelen - SIP2_HDR_LEN - 1)); |
| 1882 | | | } |
| 1883 | | | break; |
| 1884 | | | |
| 1885 | | | case STATUS_LINE: |
| 1886 | | | descr = "Status"; |
| 1887 | | | if (check_col(pinfo->cinfo, COL_INFO)) { |
| 1888 | | | col_add_fstr(pinfo->cinfo, COL_INFO, "Status: %s", |
| 1889 | | | tvb_format_text(tvb, offset + SIP2_HDR_LEN + 1, linelen - SIP2_HDR_LEN - 1)); |
| 1890 | | | } |
| 1891 | | | stat_info->reason_phrase = tvb_get_ephemeral_string(tvb, offset + SIP2_HDR_LEN + 5, linelen - (SIP2_HDR_LEN + 5)); |
| 1892 | | | break; |
| 1893 | | | |
| 1894 | | | case OTHER_LINE: |
| 1895 | | | default: |
| 1896 | | | descr = "Continuation"; |
| 1897 | | | if (check_col(pinfo->cinfo, COL_INFO)) |
| 1898 | | | col_set_str(pinfo->cinfo, COL_INFO, "Continuation"); |
| 1899 | | | break; |
| 1900 | | | } |
| 1901 | | | |
| 1902 | | | if (tree) { |
| 1903 | | | ts = proto_tree_add_item(tree, proto_sip, tvb, offset, -1, FALSE); |
| 1904 | | | sip_tree = proto_item_add_subtree(ts, ett_sip); |
| 1905 | | | } |
| 1906 | | | |
| 1907 | | | switch (line_type) { |
| 1908 | | | |
| 1909 | | | case REQUEST_LINE: |
| 1910 | | | if (sip_tree) { |
| 1911 | | | ti = proto_tree_add_string(sip_tree, hf_Request_Line, tvb, offset, next_offset-offset, |
| 1912 | | | tvb_format_text(tvb, offset, linelen)); |
| 1913 | | | reqresp_tree = proto_item_add_subtree(ti, ett_sip_reqresp); |
| 1914 | | | } |
| 1915 | | | dfilter_sip_request_line(tvb, reqresp_tree, token_1_len); |
| 1916 | | | break; |
| 1917 | | | |
| 1918 | | | case STATUS_LINE: |
| 1919 | | | if (sip_tree) { |
| 1920 | | | ti = proto_tree_add_string(sip_tree, hf_Status_Line, tvb, offset, next_offset-offset, |
| 1921 | | | tvb_format_text(tvb, offset, linelen)); |
| 1922 | | | reqresp_tree = proto_item_add_subtree(ti, ett_sip_reqresp); |
| 1923 | | | } |
| 1924 | | | dfilter_sip_status_line(tvb, reqresp_tree); |
| 1925 | | | break; |
| 1926 | | | |
| 1927 | | | case OTHER_LINE: |
| 1928 | | | if (sip_tree) { |
| 1929 | | | ti = proto_tree_add_text(sip_tree, tvb, offset, next_offset, |
| 1930 | | | "%s line: %s", descr, |
| 1931 | | | tvb_format_text(tvb, offset, linelen)); |
| 1932 | | | reqresp_tree = proto_item_add_subtree(ti, ett_sip_reqresp); |
| 1933 | | | proto_tree_add_text(sip_tree, tvb, offset, -1, |
| 1934 | | | "Continuation data"); |
| 1935 | | | } |
| 1936 | | | return tvb_length_remaining(tvb, offset); |
| 1937 | | | } |
| 1938 | | | |
| 1939 | | | offset = next_offset; |
| 1940 | | | if (sip_tree) { |
| 1941 | | | th = proto_tree_add_item(sip_tree, hf_msg_hdr, tvb, offset, |
| 1942 | | | tvb_length_remaining(tvb, offset), FALSE); |
| 1943 | | | proto_item_set_text(th, "Message "); |
| 1944 | | | hdr_tree = proto_item_add_subtree(th, ett_sip_hdr); |
| 1945 | | | } |
| 1946 | | | |
| 1947 | | | |
| 1948 | | | |
| 1949 | | | |
| 1950 | | | |
| 1951 | | | |
| 1952 | | | next_offset = offset; |
| 1953 | | | content_length = -1; |
| 1954 | | | while (tvb_reported_length_remaining(tvb, offset) > 0) { |
| 1955 | | | gint line_end_offset; |
| 1956 | | | gint colon_offset; |
| 1957 | | | gint semi_colon_offset; |
| 1958 | | | gint len; |
| 1959 | | | gint parameter_offset; |
| 1960 | | | gint parameter_end_offset; |
| 1961 | | | gint parameter_len; |
| 1962 | | | gint content_type_len, content_type_parameter_str_len; |
| 1963 | | | gint ; |
| 1964 | | | gchar *; |
| 1965 | | | dissector_handle_t ext_hdr_handle; |
| 1966 | | | gint hf_index; |
| 1967 | | | gint value_offset; |
| 1968 | | | gint sub_value_offset; |
| 1969 | | | gint comma_offset; |
| 1970 | | | guchar c; |
| 1971 | | | gint value_len; |
| 1972 | | | char *value; |
| 1973 | | | gboolean = FALSE; |
| 1974 | | | proto_item *cause; |
| 1975 | | | proto_item *ti; |
| 1976 | | | proto_tree *pai_uri_item_tree = NULL; |
| 1977 | | | proto_tree *pmiss_uri_item_tree = NULL; |
| 1978 | | | proto_tree *ppi_uri_item_tree = NULL; |
| 1979 | | | proto_tree *tc_uri_item_tree = NULL; |
| 1980 | | | proto_tree *to_uri_item_tree = NULL; |
| 1981 | | | proto_tree *from_uri_item_tree = NULL; |
| 1982 | | | uri_offset_info uri_offsets; |
| 1983 | | | |
| 1984 | | | |
| 1985 | | | |
| 1986 | | | |
| 1987 | | | |
| 1988 | | | linelen = tvb_find_line_end(tvb, offset, -1, &next_offset, FALSE); |
| 1989 | | | if (linelen == 0) { |
| 1990 | | | |
| 1991 | | | |
| 1992 | | | |
| 1993 | | | |
| 1994 | | | offset = next_offset; |
| 1995 | | | break; |
| 1996 | | | } |
| 1997 | | | |
| 1998 | | | line_end_offset = offset + linelen; |
| 1999 | | | if(tvb_reported_length_remaining(tvb, next_offset) == 0){ |
| 2000 | | | = TRUE; |
| 2001 | | | }else{ |
| 2002 | | | while ((c = tvb_get_guint8(tvb, next_offset)) == ' ' || c == '\t') |
| 2003 | | | { |
| 2004 | | | |
| 2005 | | | |
| 2006 | | | |
| 2007 | | | |
| 2008 | | | |
| 2009 | | | linelen += (next_offset - line_end_offset); |
| 2010 | | | linelen += tvb_find_line_end(tvb, next_offset, -1, &next_offset, FALSE); |
| 2011 | | | line_end_offset = offset + linelen; |
| 2012 | | | } |
| 2013 | | | } |
| 2014 | | | colon_offset = tvb_find_guint8(tvb, offset, linelen, ':'); |
| 2015 | | | if (colon_offset == -1) { |
| 2016 | | | |
| 2017 | | | |
| 2018 | | | |
| 2019 | | | if(hdr_tree) { |
| 2020 | | | proto_tree_add_text(hdr_tree, tvb, offset, |
| 2021 | | | next_offset - offset, "%s", |
| 2022 | | | tvb_format_text(tvb, offset, linelen)); |
| 2023 | | | } |
| 2024 | | | } else { |
| 2025 | | | = colon_offset - offset; |
| 2026 | | | hf_index = (tvb, offset, ); |
| 2027 | | | |
| 2028 | | | |
| 2029 | | | |
| 2030 | | | |
| 2031 | | | value_offset = tvb_skip_wsp(tvb, colon_offset + 1, line_end_offset - (colon_offset + 1)); |
| 2032 | | | |
| 2033 | | | |
| 2034 | | | |
| 2035 | | | |
| 2036 | | | value_len = (gint) (line_end_offset - value_offset); |
| 2037 | | | value = tvb_get_ephemeral_string(tvb, value_offset, value_len); |
| 2038 | | | |
| 2039 | | | if (hf_index == -1) { |
| 2040 | | | proto_item *ti = proto_tree_add_text(hdr_tree, tvb, |
| 2041 | | | offset, next_offset - offset, "%s", |
| 2042 | | | tvb_format_text(tvb, offset, linelen)); |
| 2043 | | | = (gchar*)tvb_get_ephemeral_string(tvb, offset, ); |
| 2044 | | | ascii_strdown_inplace(); |
| 2045 | | | ext_hdr_handle = dissector_get_string_handle(ext_hdr_subdissector_table, ); |
| 2046 | | | if (ext_hdr_handle != NULL) { |
| 2047 | | | tvbuff_t *next_tvb; |
| 2048 | | | next_tvb = tvb_new_subset(tvb, value_offset, value_len, value_len); |
| 2049 | | | dissector_try_string(ext_hdr_subdissector_table, , next_tvb, pinfo, proto_item_add_subtree(ti, ett_sip_ext_hdr)); |
| 2050 | | | } else { |
| 2051 | | | expert_add_info_format(pinfo, ti, |
| 2052 | | | PI_UNDECODED, PI_NOTE, |
| 2053 | | | "Unrecognised SIP (%s)", |
| 2054 | | | tvb_format_text(tvb, offset, )); |
| 2055 | | | } |
| 2056 | | | } else { |
| 2057 | | | |
| 2058 | | | |
| 2059 | | | |
| 2060 | | | |
| 2061 | | | switch ( hf_index ) { |
| 2062 | | | |
| 2063 | | | case POS_TO : |
| 2064 | | | if(hdr_tree) { |
| 2065 | | | sip_element_item = proto_tree_add_string_format(hdr_tree, |
| 2066 | | | [hf_index], tvb, |
| 2067 | | | offset, next_offset - offset, |
| 2068 | | | value, "%s", |
| 2069 | | | tvb_format_text(tvb, offset, linelen)); |
| 2070 | | | sip_element_tree = proto_item_add_subtree( sip_element_item, |
| 2071 | | | ett_sip_element); |
| 2072 | | | } |
| 2073 | | | |
| 2074 | | | |
| 2075 | | | |
| 2076 | | | parameter_offset = tvb_find_guint8(tvb, value_offset,value_len, '<'); |
| 2077 | | | if ( parameter_offset != -1){ |
| 2078 | | | len = parameter_offset - value_offset; |
| 2079 | | | if ( len > 1){ |
| 2080 | | | |
| 2081 | | | |
| 2082 | | | |
| 2083 | | | proto_tree_add_item(sip_element_tree, hf_sip_display, tvb, value_offset, |
| 2084 | | | len, FALSE); |
| 2085 | | | } |
| 2086 | | | parameter_offset ++; |
| 2087 | | | parameter_end_offset = parameter_offset; |
| 2088 | | | |
| 2089 | | | |
| 2090 | | | |
| 2091 | | | |
| 2092 | | | |
| 2093 | | | |
| 2094 | | | |
| 2095 | | | |
| 2096 | | | while (parameter_end_offset < line_end_offset){ |
| 2097 | | | parameter_end_offset++; |
| 2098 | | | c = tvb_get_guint8(tvb, parameter_end_offset); |
| 2099 | | | switch (c) { |
| 2100 | | | case '>': |
| 2101 | | | case ',': |
| 2102 | | | case ';': |
| 2103 | | | case '?': |
| 2104 | | | goto separator_found; |
| 2105 | | | default : |
| 2106 | | | break; |
| 2107 | | | } |
| 2108 | | | } |
| 2109 | | | separator_found: |
| 2110 | | | parameter_len = parameter_end_offset - parameter_offset; |
| 2111 | | | ti = proto_tree_add_item(sip_element_tree, hf_sip_to_addr, tvb, parameter_offset, |
| 2112 | | | parameter_len, FALSE); |
| 2113 | | | to_uri_item_tree = proto_item_add_subtree(ti, ett_sip_to_uri); |
| 2114 | | | |
| 2115 | | | |
| 2116 | | | stat_info->tap_to_addr=tvb_get_ephemeral_string(tvb, parameter_offset, parameter_len); |
| 2117 | | | |
| 2118 | | | parameter_offset = parameter_end_offset + 1; |
| 2119 | | | |
| 2120 | | | |
| 2121 | | | |
| 2122 | | | parameter_end_offset = tvb_find_guint8(tvb, parameter_offset,( line_end_offset - parameter_offset), ';'); |
| 2123 | | | if ( parameter_end_offset == -1) |
| 2124 | | | parameter_end_offset = line_end_offset; |
| 2125 | | | |
| 2126 | | | offset = parameter_end_offset; |
| 2127 | | | } |
| 2128 | | | else |
| 2129 | | | { |
| 2130 | | | |
| 2131 | | | parameter_offset = value_offset; |
| 2132 | | | while (parameter_offset < line_end_offset |
| 2133 | | | && (tvb_strneql(tvb, parameter_offset, "sip", 3) != 0)) |
| 2134 | | | parameter_offset++; |
| 2135 | | | len = parameter_offset - value_offset; |
| 2136 | | | if ( len > 1){ |
| 2137 | | | |
| 2138 | | | |
| 2139 | | | |
| 2140 | | | proto_tree_add_item(sip_element_tree, hf_sip_display, tvb, value_offset, |
| 2141 | | | len, FALSE); |
| 2142 | | | } |
| 2143 | | | parameter_end_offset = tvb_find_guint8(tvb, parameter_offset, |
| 2144 | | | (line_end_offset - parameter_offset), ';'); |
| 2145 | | | if ( parameter_end_offset == -1) |
| 2146 | | | parameter_end_offset = line_end_offset; |
| 2147 | | | parameter_len = parameter_end_offset - parameter_offset; |
| 2148 | | | ti = proto_tree_add_item(sip_element_tree, hf_sip_to_addr, tvb, parameter_offset, |
| 2149 | | | parameter_len, FALSE); |
| 2150 | | | to_uri_item_tree = proto_item_add_subtree(ti, ett_sip_to_uri); |
| 2151 | | | |
| 2152 | | | |
| 2153 | | | stat_info->tap_to_addr=tvb_get_ephemeral_string(tvb, parameter_offset, parameter_len); |
| 2154 | | | offset = parameter_end_offset; |
| 2155 | | | } |
| 2156 | | | if((dissect_sip_uri(tvb, pinfo, value_offset, line_end_offset+2, &uri_offsets)) != -1) |
| 2157 | | | { |
| 2158 | | | if(uri_offsets.uri_user_end > uri_offsets.uri_user_start) |
| 2159 | | | { |
| 2160 | | | proto_tree_add_item(to_uri_item_tree, hf_sip_to_user, tvb, uri_offsets.uri_user_start, |
| 2161 | | | uri_offsets.uri_user_end - uri_offsets.uri_user_start + 1, FALSE); |
| 2162 | | | } |
| 2163 | | | |
| 2164 | | | proto_tree_add_item(to_uri_item_tree, hf_sip_to_host, tvb, uri_offsets.uri_host_start, |
| 2165 | | | uri_offsets.uri_host_end - uri_offsets.uri_host_start + 1, FALSE); |
| 2166 | | | |
| 2167 | | | if(uri_offsets.uri_host_port_end > uri_offsets.uri_host_port_start) |
| 2168 | | | { |
| 2169 | | | proto_tree_add_item(to_uri_item_tree, hf_sip_to_port, tvb, uri_offsets.uri_host_port_start, |
| 2170 | | | uri_offsets.uri_host_port_end - uri_offsets.uri_host_port_start + 1, FALSE); |
| 2171 | | | } |
| 2172 | | | } |
| 2173 | | | |
| 2174 | | | |
| 2175 | | | |
| 2176 | | | |
| 2177 | | | |
| 2178 | | | |
| 2179 | | | parameter_offset = offset; |
| 2180 | | | while (parameter_offset < line_end_offset |
| 2181 | | | && (tvb_strneql(tvb, parameter_offset, "tag=", 4) != 0)) |
| 2182 | | | parameter_offset++; |
| 2183 | | | if ( parameter_offset < line_end_offset ){ |
| 2184 | | | parameter_offset = parameter_offset + 4; |
| 2185 | | | parameter_end_offset = tvb_find_guint8(tvb, parameter_offset, |
| 2186 | | | (line_end_offset - parameter_offset), ';'); |
| 2187 | | | if ( parameter_end_offset == -1) |
| 2188 | | | parameter_end_offset = line_end_offset; |
| 2189 | | | parameter_len = parameter_end_offset - parameter_offset; |
| 2190 | | | proto_tree_add_item(sip_element_tree, hf_sip_tag, tvb, parameter_offset, |
| 2191 | | | parameter_len, FALSE); |
| 2192 | | | |
| 2193 | | | } |
| 2194 | | | break; |
| 2195 | | | |
| 2196 | | | case POS_FROM : |
| 2197 | | | if(hdr_tree) { |
| 2198 | | | sip_element_item = proto_tree_add_string_format(hdr_tree, |
| 2199 | | | [hf_index], tvb, |
| 2200 | | | offset, next_offset - offset, |
| 2201 | | | value, "%s", |
| 2202 | | | tvb_format_text(tvb, offset, linelen)); |
| 2203 | | | sip_element_tree = proto_item_add_subtree( sip_element_item, ett_sip_element); |
| 2204 | | | } |
| 2205 | | | |
| 2206 | | | |
| 2207 | | | |
| 2208 | | | parameter_offset = tvb_find_guint8(tvb, value_offset,value_len, '<'); |
| 2209 | | | if ( parameter_offset != -1){ |
| 2210 | | | len = parameter_offset - value_offset; |
| 2211 | | | if ( len > 1){ |
| 2212 | | | |
| 2213 | | | |
| 2214 | | | |
| 2215 | | | proto_tree_add_item(sip_element_tree, hf_sip_display, tvb, value_offset, |
| 2216 | | | len, FALSE); |
| 2217 | | | } |
| 2218 | | | parameter_offset ++; |
| 2219 | | | parameter_end_offset = parameter_offset; |
| 2220 | | | |
| 2221 | | | |
| 2222 | | | |
| 2223 | | | |
| 2224 | | | |
| 2225 | | | |
| 2226 | | | |
| 2227 | | | |
| 2228 | | | while (parameter_end_offset < line_end_offset){ |
| 2229 | | | parameter_end_offset++; |
| 2230 | | | c = tvb_get_guint8(tvb, parameter_end_offset); |
| 2231 | | | switch (c) { |
| 2232 | | | case '>': |
| 2233 | | | case ',': |
| 2234 | | | case ';': |
| 2235 | | | case '?': |
| 2236 | | | goto separator_found2; |
| 2237 | | | default : |
| 2238 | | | break; |
| 2239 | | | } |
| 2240 | | | } |
| 2241 | | | separator_found2: |
| 2242 | | | parameter_len = parameter_end_offset - parameter_offset; |
| 2243 | | | ti = proto_tree_add_item(sip_element_tree, hf_sip_from_addr, tvb, parameter_offset, |
| 2244 | | | parameter_len, FALSE); |
| 2245 | | | from_uri_item_tree = proto_item_add_subtree(ti, ett_sip_from_uri); |
| 2246 | | | |
| 2247 | | | stat_info->tap_from_addr=tvb_get_ephemeral_string(tvb, parameter_offset, parameter_len); |
| 2248 | | | parameter_offset = parameter_end_offset + 1; |
| 2249 | | | |
| 2250 | | | |
| 2251 | | | |
| 2252 | | | parameter_end_offset = tvb_find_guint8(tvb, parameter_offset,( line_end_offset - parameter_offset), ';'); |
| 2253 | | | if ( parameter_end_offset == -1) |
| 2254 | | | parameter_end_offset = line_end_offset; |
| 2255 | | | |
| 2256 | | | offset = parameter_end_offset; |
| 2257 | | | } |
| 2258 | | | else |
| 2259 | | | { |
| 2260 | | | |
| 2261 | | | parameter_offset = value_offset; |
| 2262 | | | while (parameter_offset < line_end_offset |
| 2263 | | | && (tvb_strneql(tvb, parameter_offset, "sip", 3) != 0)) |
| 2264 | | | parameter_offset++; |
| 2265 | | | len = parameter_offset - value_offset; |
| 2266 | | | if ( len > 1){ |
| 2267 | | | |
| 2268 | | | |
| 2269 | | | |
| 2270 | | | proto_tree_add_item(sip_element_tree, hf_sip_display, tvb, value_offset, |
| 2271 | | | len, FALSE); |
| 2272 | | | } |
| 2273 | | | parameter_end_offset = tvb_find_guint8(tvb, parameter_offset, |
| 2274 | | | (line_end_offset - parameter_offset), ';'); |
| 2275 | | | if ( parameter_end_offset == -1) |
| 2276 | | | parameter_end_offset = line_end_offset; |
| 2277 | | | parameter_len = parameter_end_offset - parameter_offset; |
| 2278 | | | ti = proto_tree_add_item(sip_element_tree, hf_sip_from_addr, tvb, parameter_offset, |
| 2279 | | | parameter_len, FALSE); |
| 2280 | | | from_uri_item_tree = proto_item_add_subtree(ti, ett_sip_from_uri); |
| 2281 | | | |
| 2282 | | | stat_info->tap_from_addr=tvb_get_ephemeral_string(tvb, parameter_offset, parameter_len); |
| 2283 | | | offset = parameter_end_offset; |
| 2284 | | | } |
| 2285 | | | if((dissect_sip_uri(tvb, pinfo, value_offset, line_end_offset+2, &uri_offsets)) != -1) |
| 2286 | | | { |
| 2287 | | | if(uri_offsets.uri_user_end > uri_offsets.uri_user_start) |
| 2288 | | | { |
| 2289 | | | proto_tree_add_item(from_uri_item_tree, hf_sip_from_user, tvb, uri_offsets.uri_user_start, |
| 2290 | | | uri_offsets.uri_user_end - uri_offsets.uri_user_start + 1, FALSE); |
| 2291 | | | } |
| 2292 | | | |
| 2293 | | | proto_tree_add_item(from_uri_item_tree, hf_sip_from_host, tvb, uri_offsets.uri_host_start, |
| 2294 | | | uri_offsets.uri_host_end - uri_offsets.uri_host_start + 1, FALSE); |
| 2295 | | | |
| 2296 | | | if(uri_offsets.uri_host_port_end > uri_offsets.uri_host_port_start) |
| 2297 | | | { |
| 2298 | | | proto_tree_add_item(from_uri_item_tree, hf_sip_from_port, tvb, uri_offsets.uri_host_port_start, |
| 2299 | | | uri_offsets.uri_host_port_end - uri_offsets.uri_host_port_start + 1, FALSE); |
| 2300 | | | } |
| 2301 | | | } |
| 2302 | | | |
| 2303 | | | |
| 2304 | | | |
| 2305 | | | |
| 2306 | | | |
| 2307 | | | |
| 2308 | | | parameter_offset = offset; |
| 2309 | | | while (parameter_offset < line_end_offset |
| 2310 | | | && (tvb_strneql(tvb, parameter_offset, "tag=", 4) != 0)) |
| 2311 | | | parameter_offset++; |
| 2312 | | | if ( parameter_offset < line_end_offset ){ |
| 2313 | | | parameter_offset = parameter_offset + 4; |
| 2314 | | | parameter_end_offset = tvb_find_guint8(tvb, parameter_offset, |
| 2315 | | | (line_end_offset - parameter_offset), ';'); |
| 2316 | | | if ( parameter_end_offset == -1) |
| 2317 | | | parameter_end_offset = line_end_offset; |
| 2318 | | | parameter_len = parameter_end_offset - parameter_offset; |
| 2319 | | | proto_tree_add_item(sip_element_tree, hf_sip_tag, tvb, parameter_offset, |
| 2320 | | | parameter_len, FALSE); |
| 2321 | | | |
| 2322 | | | } |
| 2323 | | | break; |
| 2324 | | | |
| 2325 | | | case POS_P_ASSERTED_IDENTITY : |
| 2326 | | | if(hdr_tree) |
| 2327 | | | { |
| 2328 | | | sip_element_item = proto_tree_add_string_format(hdr_tree, |
| 2329 | | | [hf_index], tvb, |
| 2330 | | | offset, next_offset - offset, |
| 2331 | | | value, "%s", |
| 2332 | | | tvb_format_text(tvb, offset, linelen)); |
| 2333 | | | sip_element_tree = proto_item_add_subtree( sip_element_item, |
| 2334 | | | ett_sip_element); |
| 2335 | | | } |
| 2336 | | | |
| 2337 | | | |
| 2338 | | | if((dissect_sip_uri(tvb, pinfo, value_offset, line_end_offset+2, &uri_offsets)) != -1) |
| 2339 | | | pai_uri_item_tree = display_sip_uri(tvb, sip_element_tree, &uri_offsets, &sip_pai_uri); |
| 2340 | | | break; |
| 2341 | | | |
| 2342 | | | case POS_P_PREFERRED_IDENTITY : |
| 2343 | | | if(hdr_tree) |
| 2344 | | | { |
| 2345 | | | sip_element_item = proto_tree_add_string_format(hdr_tree, |
| 2346 | | | [hf_index], tvb, |
| 2347 | | | offset, next_offset - offset, |
| 2348 | | | value, "%s", |
| 2349 | | | tvb_format_text(tvb, offset, linelen)); |
| 2350 | | | sip_element_tree = proto_item_add_subtree( sip_element_item, |
| 2351 | | | ett_sip_element); |
| 2352 | | | } |
| 2353 | | | |
| 2354 | | | if((dissect_sip_uri(tvb, pinfo, value_offset, line_end_offset+2, &uri_offsets)) != -1) |
| 2355 | | | ppi_uri_item_tree = display_sip_uri(tvb, sip_element_tree, &uri_offsets, &sip_ppi_uri); |
| 2356 | | | break; |
| 2357 | | | |
| 2358 | | | case POS_PERMISSION_MISSING : |
| 2359 | | | if(hdr_tree) |
| 2360 | | | { |
| 2361 | | | sip_element_item = proto_tree_add_string_format(hdr_tree, |
| 2362 | | | [hf_index], tvb, |
| 2363 | | | offset, next_offset - offset, |
| 2364 | | | value, "%s", |
| 2365 | | | tvb_format_text(tvb, offset, linelen)); |
| 2366 | | | |
| 2367 | | | sip_element_tree = proto_item_add_subtree( sip_element_item, |
| 2368 | | | ett_sip_element); |
| 2369 | | | } |
| 2370 | | | if((dissect_sip_uri(tvb, pinfo, value_offset, line_end_offset+2, &uri_offsets)) != -1) |
| 2371 | | | pmiss_uri_item_tree = display_sip_uri(tvb, sip_element_tree, &uri_offsets, &sip_pmiss_uri); |
| 2372 | | | break; |
| 2373 | | | |
| 2374 | | | |
| 2375 | | | case POS_TRIGGER_CONSENT : |
| 2376 | | | if(hdr_tree) |
| 2377 | | | { |
| 2378 | | | sip_element_item = proto_tree_add_string_format(hdr_tree, |
| 2379 | | | [hf_index], tvb, |
| 2380 | | | offset, next_offset - offset, |
| 2381 | | | value, "%s", |
| 2382 | | | tvb_format_text(tvb, offset, linelen)); |
| 2383 | | | |
| 2384 | | | sip_element_tree = proto_item_add_subtree( sip_element_item, |
| 2385 | | | ett_sip_element); |
| 2386 | | | } |
| 2387 | | | |
| 2388 | | | if((dissect_sip_uri(tvb, pinfo, value_offset, line_end_offset+2, &uri_offsets)) != -1) { |
| 2389 | | | |
| 2390 | | | tc_uri_item_tree = display_sip_uri(tvb, sip_element_tree, &uri_offsets, &sip_tc_uri); |
| 2391 | | | if (line_end_offset > uri_offsets.uri_end) { |
| 2392 | | | gint hparam_offset = uri_offsets.uri_end + 1; |
| 2393 | | | |
| 2394 | | | if (tvb_find_guint8(tvb, hparam_offset, 1,';')) { |
| 2395 | | | while ((hparam_offset != -1 && hparam_offset < line_end_offset) ) { |
| 2396 | | | |
| 2397 | | | hparam_offset = hparam_offset + 1; |
| 2398 | | | if (tvb_strncaseeql(tvb, hparam_offset, "target-uri=\"", 12) == 0) { |
| 2399 | | | gint turi_start_offset = hparam_offset + 12; |
| 2400 | | | gint turi_end_offset = tvb_find_guint8(tvb, turi_start_offset, -1,'\"'); |
| 2401 | | | if (turi_end_offset != -1) |
| 2402 | | | proto_tree_add_item(tc_uri_item_tree, hf_sip_tc_turi, tvb, turi_start_offset,(turi_end_offset - turi_start_offset),FALSE); |
| 2403 | | | else |
| 2404 | | | break; |
| 2405 | | | } |
| 2406 | | | hparam_offset = tvb_find_guint8(tvb, hparam_offset, -1,';'); |
| 2407 | | | } |
| 2408 | | | } |
| 2409 | | | } |
| 2410 | | | } |
| 2411 | | | break; |
| 2412 | | | |
| 2413 | | | case POS_CSEQ : |
| 2414 | | | |
| 2415 | | | cseq_number = atoi(value); |
| 2416 | | | cseq_number_set = 1; |
| 2417 | | | stat_info->tap_cseq_number=cseq_number; |
| 2418 | | | |
| 2419 | | | |
| 2420 | | | if (hdr_tree) { |
| 2421 | | | sip_element_item = proto_tree_add_string_format(hdr_tree, |
| 2422 | | | [hf_index], tvb, |
| 2423 | | | offset, next_offset - offset, |
| 2424 | | | value, "%s", |
| 2425 | | | tvb_format_text(tvb, offset, linelen)); |
| 2426 | | | cseq_tree = proto_item_add_subtree(sip_element_item, ett_sip_cseq); |
| 2427 | | | } |
| 2428 | | | |
| 2429 | | | |
| 2430 | | | |
| 2431 | | | for (sub_value_offset=0; sub_value_offset < (gint)strlen(value); sub_value_offset++) |
| 2432 | | | { |
| 2433 | | | if (!isdigit((guchar)value[sub_value_offset])) |
| 2434 | | | { |
| 2435 | | | proto_tree_add_uint(cseq_tree, hf_sip_cseq_seq_no, |
| 2436 | | | tvb, value_offset, sub_value_offset, |
| 2437 | | | cseq_number); |
| 2438 | | | break; |
| 2439 | | | } |
| 2440 | | | } |
| 2441 | | | |
| 2442 | | | for (; sub_value_offset < (gint)strlen(value); sub_value_offset++) |
| 2443 | | | { |
| 2444 | | | if (isalpha((guchar)value[sub_value_offset])) |
| 2445 | | | { |
| 2446 | | | |
| 2447 | | | break; |
| 2448 | | | } |
| 2449 | | | } |
| 2450 | | | |
| 2451 | | | if (sub_value_offset == (gint)strlen(value)) |
| 2452 | | | { |
| 2453 | | | |
| 2454 | | | THROW(ReportedBoundsError);
x /home/sate/Testcases/c/cve/wireshark-1.2.0/epan/exceptions.h |
| |
223 | #define THROW(x) \ |
224 | except_throw(XCEPT_GROUP_WIRESHARK, (x), NULL) |
| |
|
| 2455 | | | return offset - orig_offset; |
| 2456 | | | } |
| 2457 | | | |
| 2458 | | | |
| 2459 | | | strlen_to_copy = (int)strlen(value)-sub_value_offset; |
| 2460 | | | if (strlen_to_copy > MAX_CSEQ_METHOD_SIZE) { |
| 2461 | | | |
| 2462 | | | if (hdr_tree) { |
| 2463 | | | proto_tree_add_string_format(hdr_tree, |
| 2464 | | | [hf_index], tvb, |
| 2465 | | | offset, next_offset - offset, |
| 2466 | | | value+sub_value_offset, "%s String too big: %d bytes", |
| 2467 | | | [POS_CSEQ].name, |
| 2468 | | | strlen_to_copy); |
| 2469 | | | } |
| 2470 | | | THROW(ReportedBoundsError);
x /home/sate/Testcases/c/cve/wireshark-1.2.0/epan/exceptions.h |
| |
223 | #define THROW(x) \ |
224 | except_throw(XCEPT_GROUP_WIRESHARK, (x), NULL) |
| |
|
| 2471 | | | return offset - orig_offset; |
| 2472 | | | } |
| 2473 | | | else { |
| 2474 | | | g_strlcpy(cseq_method, value+sub_value_offset, MAX_CSEQ_METHOD_SIZE); |
| 2475 | | | |
| 2476 | | | |
| 2477 | | | if (cseq_tree) |
| 2478 | | | { |
| 2479 | | | proto_tree_add_item(cseq_tree, hf_sip_cseq_method, tvb, |
| 2480 | | | value_offset + sub_value_offset, strlen_to_copy, FALSE); |
| 2481 | | | } |
| 2482 | | | } |
| 2483 | | | break; |
| 2484 | | | |
| 2485 | | | case POS_RACK : |
| 2486 | | | { |
| 2487 | | | int cseq_no_offset; |
| 2488 | | | int cseq_method_offset; |
| 2489 | | | |
| 2490 | | | |
| 2491 | | | if (hdr_tree) { |
| 2492 | | | sip_element_item = proto_tree_add_string_format(hdr_tree, |
| 2493 | | | [hf_index], tvb, |
| 2494 | | | offset, next_offset - offset, |
| 2495 | | | value, "%s", |
| 2496 | | | tvb_format_text(tvb, offset, linelen)); |
| 2497 | | | rack_tree = proto_item_add_subtree(sip_element_item, ett_sip_rack); |
| 2498 | | | } |
| 2499 | | | |
| 2500 | | | |
| 2501 | | | for (sub_value_offset=0; sub_value_offset < (gint)strlen(value); sub_value_offset++) |
| 2502 | | | { |
| 2503 | | | if (!isdigit((guchar)value[sub_value_offset])) |
| 2504 | | | { |
| 2505 | | | proto_tree_add_uint(rack_tree, hf_sip_rack_rseq_no, |
| 2506 | | | tvb, value_offset, sub_value_offset, |
| 2507 | | | atoi(value)); |
| 2508 | | | break; |
| 2509 | | | } |
| 2510 | | | } |
| 2511 | | | |
| 2512 | | | |
| 2513 | | | for ( ; sub_value_offset < (gint)strlen(value); sub_value_offset++) |
| 2514 | | | { |
| 2515 | | | if (value[sub_value_offset] != ' ' && |
| 2516 | | | value[sub_value_offset] != '\t') |
| 2517 | | | { |
| 2518 | | | break; |
| 2519 | | | } |
| 2520 | | | } |
| 2521 | | | cseq_no_offset = sub_value_offset; |
| 2522 | | | |
| 2523 | | | |
| 2524 | | | for ( ; sub_value_offset < (gint)strlen(value); sub_value_offset++) |
| 2525 | | | { |
| 2526 | | | if (!isdigit((guchar)value[sub_value_offset])) |
| 2527 | | | { |
| 2528 | | | proto_tree_add_uint(rack_tree, hf_sip_rack_cseq_no, |
| 2529 | | | tvb, value_offset+cseq_no_offset, |
| 2530 | | | sub_value_offset-cseq_no_offset, |
| 2531 | | | atoi(value+cseq_no_offset)); |
| 2532 | | | break; |
| 2533 | | | } |
| 2534 | | | } |
| 2535 | | | |
| 2536 | | | |
| 2537 | | | for ( ; sub_value_offset < (gint)strlen(value); sub_value_offset++) |
| 2538 | | | { |
| 2539 | | | if (isalpha((guchar)value[sub_value_offset])) |
| 2540 | | | { |
| 2541 | | | |
| 2542 | | | break; |
| 2543 | | | } |
| 2544 | | | } |
| 2545 | | | cseq_method_offset = sub_value_offset; |
| 2546 | | | |
| 2547 | | | if (sub_value_offset == (gint)strlen(value)) |
| 2548 | | | { |
| 2549 | | | |
| 2550 | | | THROW(ReportedBoundsError);
x /home/sate/Testcases/c/cve/wireshark-1.2.0/epan/exceptions.h |
| |
223 | #define THROW(x) \ |
224 | except_throw(XCEPT_GROUP_WIRESHARK, (x), NULL) |
| |
|
| 2551 | | | return offset - orig_offset; |
Unreachable Computation
The highlighted code will not execute under any circumstances. |
|
| 2552 | | | } |
| 2553 | | | |
| 2554 | | | |
| 2555 | | | if (cseq_tree) |
| 2556 | | | { |
| 2557 | | | proto_tree_add_item(rack_tree, hf_sip_rack_cseq_method, tvb, |
| 2558 | | | value_offset + sub_value_offset, |
| 2559 | | | (int)strlen(value)-sub_value_offset, FALSE); |
| 2560 | | | } |
| 2561 | | | |
| 2562 | | | break; |
| 2563 | | | } |
| 2564 | | | |
| 2565 | | | case POS_CALL_ID : |
| 2566 | | | |
| 2567 | | | g_strlcpy(call_id, value, MAX_CALL_ID_SIZE); |
| 2568 | | | stat_info->tap_call_id = ep_strdup(call_id); |
| 2569 | | | |
| 2570 | | | |
| 2571 | | | if(hdr_tree) { |
| 2572 | | | sip_element_item = proto_tree_add_string_format(hdr_tree, |
| 2573 | | | [hf_index], tvb, |
| 2574 | | | offset, next_offset - offset, |
| 2575 | | | value, "%s", |
| 2576 | | | tvb_format_text(tvb, offset, linelen)); |
| 2577 | | | } |
| 2578 | | | break; |
| 2579 | | | |
| 2580 | | | case POS_EXPIRES : |
| 2581 | | | if (strcmp(value, "0") == 0) |
| 2582 | | | { |
| 2583 | | | expires_is_0 = 1; |
| 2584 | | | } |
| 2585 | | | |
| 2586 | | | if(hdr_tree) { |
| 2587 | | | sip_element_item = proto_tree_add_uint(hdr_tree, |
| 2588 | | | [hf_index], tvb, |
| 2589 | | | offset, next_offset - offset, |
| 2590 | | | atoi(value)); |
| 2591 | | | } |
| 2592 | | | break; |
| 2593 | | | |
| 2594 | | | |
| 2595 | | | |
| 2596 | | | |
| 2597 | | | |
| 2598 | | | |
| 2599 | | | |
| 2600 | | | case POS_CONTENT_TYPE : |
| 2601 | | | if(hdr_tree) { |
| 2602 | | | sip_element_item = proto_tree_add_string_format(hdr_tree, |
| 2603 | | | [hf_index], tvb, |
| 2604 | | | offset, next_offset - offset, |
| 2605 | | | value, "%s", |
| 2606 | | | tvb_format_text(tvb, offset, linelen)); |
| 2607 | | | } |
| 2608 | | | content_type_len = value_len; |
| 2609 | | | semi_colon_offset = tvb_find_guint8(tvb, value_offset, value_len, ';'); |
| 2610 | | | |
| 2611 | | | |
| 2612 | | | |
| 2613 | | | |
| 2614 | | | |
| 2615 | | | |
| 2616 | | | if ( semi_colon_offset != -1) { |
| 2617 | | | gint content_type_end; |
| 2618 | | | |
| 2619 | | | |
| 2620 | | | |
| 2621 | | | parameter_offset = tvb_skip_wsp(tvb, semi_colon_offset +1, value_offset + value_len - (semi_colon_offset +1)); |
| 2622 | | | content_type_end = tvb_skip_wsp_return(tvb, semi_colon_offset-1); |
| 2623 | | | content_type_len = content_type_end - value_offset; |
| 2624 | | | content_type_parameter_str_len = value_offset + value_len - parameter_offset; |
| 2625 | | | content_type_parameter_str = tvb_get_ephemeral_string(tvb, parameter_offset, |
| 2626 | | | content_type_parameter_str_len); |
| 2627 | | | } |
| 2628 | | | media_type_str_lower_case = ascii_strdown_inplace( |
| 2629 | | | (gchar *)tvb_get_ephemeral_string(tvb, value_offset, content_type_len)); |
| 2630 | | | |
| 2631 | | | |
| 2632 | | | |
| 2633 | | | |
| 2634 | | | |
| 2635 | | | break; |
| 2636 | | | |
| 2637 | | | case POS_CONTENT_LENGTH : |
| 2638 | | | content_length = atoi(value); |
| 2639 | | | if(hdr_tree) { |
| 2640 | | | sip_element_item = proto_tree_add_uint_format(hdr_tree, |
| 2641 | | | [hf_index], tvb, |
| 2642 | | | offset, next_offset - offset, |
| 2643 | | | content_length, "%s", |
| 2644 | | | tvb_format_text(tvb, offset, linelen)); |
| 2645 | | | } |
| 2646 | | | break; |
| 2647 | | | |
| 2648 | | | case POS_MAX_BREADTH : |
| 2649 | | | case POS_MAX_FORWARDS : |
| 2650 | | | case POS_RSEQ : |
| 2651 | | | if(hdr_tree) { |
| 2652 | | | sip_element_item = proto_tree_add_uint(hdr_tree, |
| 2653 | | | [hf_index], tvb, |
| 2654 | | | offset, next_offset - offset, |
| 2655 | | | atoi(value)); |
| 2656 | | | } |
| 2657 | | | break; |
| 2658 | | | |
| 2659 | | | case POS_CONTACT : |
| 2660 | | | if(hdr_tree) { |
| 2661 | | | sip_element_item = proto_tree_add_string_format(hdr_tree, |
| 2662 | | | [hf_index], tvb, |
| 2663 | | | offset, next_offset - offset, |
| 2664 | | | value, "%s", |
| 2665 | | | tvb_format_text(tvb, offset, linelen)); |
| 2666 | | | sip_element_tree = proto_item_add_subtree( sip_element_item, |
| 2667 | | | ett_sip_element); |
| 2668 | | | } |
| 2669 | | | if (strcmp(value, "*") == 0) |
| 2670 | | | { |
| 2671 | | | contact_is_star = 1; |
| 2672 | | | break; |
| 2673 | | | } |
| 2674 | | | |
| 2675 | | | comma_offset = value_offset; |
| 2676 | | | while((comma_offset = dissect_sip_contact_item(tvb, pinfo, sip_element_tree, comma_offset, next_offset)) != -1) |
| 2677 | | | { |
| 2678 | | | contacts++; |
| 2679 | | | if(comma_offset == next_offset) |
| 2680 | | | { |
| 2681 | | | |
| 2682 | | | break; |
| 2683 | | | } |
| 2684 | | | |
| 2685 | | | if(tvb_get_guint8(tvb, comma_offset) != ',') |
| 2686 | | | { |
| 2687 | | | |
| 2688 | | | break; |
| 2689 | | | } |
| 2690 | | | comma_offset++; |
| 2691 | | | } |
| 2692 | | | break; |
| 2693 | | | |
| 2694 | | | case POS_AUTHORIZATION: |
| 2695 | | | case POS_WWW_AUTHENTICATE: |
| 2696 | | | case POS_PROXY_AUTHENTICATE: |
| 2697 | | | case POS_PROXY_AUTHORIZATION: |
| 2698 | | | case POS_AUTHENTICATION_INFO: |
| 2699 | | | |
| 2700 | | | if (hdr_tree) { |
| 2701 | | | proto_item *ti; |
| 2702 | | | |
| 2703 | | | sip_element_item = proto_tree_add_string_format(hdr_tree, |
| 2704 | | | [hf_index], tvb, |
| 2705 | | | offset, next_offset - offset, |
| 2706 | | | value, "%s", |
| 2707 | | | tvb_format_text(tvb, offset, linelen)); |
| 2708 | | | sip_element_tree = proto_item_add_subtree( sip_element_item, |
| 2709 | | | ett_sip_element); |
| 2710 | | | |
| 2711 | | | |
| 2712 | | | ti = proto_tree_add_item(hdr_tree, hf_sip_auth, tvb, |
| 2713 | | | offset, next_offset-offset, |
| 2714 | | | FALSE); |
| 2715 | | | PROTO_ITEM_SET_HIDDEN(ti);
x /home/sate/Testcases/c/cve/wireshark-1.2.0/epan/proto.h |
| |
319 | #define PROTO_ITEM_SET_HIDDEN(proto_item) \ |
320 | ((proto_item) ? FI_SET_FLAG((proto_item)->finfo, FI_HIDDEN) : 0) |
| |
x /home/sate/Testcases/c/cve/wireshark-1.2.0/epan/proto.h |
| |
246 | #define FI_SET_FLAG(fi, flag) (fi->flags = fi->flags | flag) |
| |
|
| 2716 | | | } |
| 2717 | | | |
| 2718 | | | |
| 2719 | | | comma_offset = tvb_pbrk_guint8(tvb, value_offset, line_end_offset - value_offset, " \t\r\n"); |
| 2720 | | | |
| 2721 | | | |
| 2722 | | | if (hf_index != POS_AUTHENTICATION_INFO) |
| 2723 | | | { |
| 2724 | | | proto_tree_add_item(sip_element_tree, hf_sip_auth_scheme, |
| 2725 | | | tvb, value_offset, comma_offset - value_offset, |
| 2726 | | | FALSE); |
| 2727 | | | } |
| 2728 | | | |
| 2729 | | | while ((comma_offset = dissect_sip_authorization_item(tvb, sip_element_tree, comma_offset, line_end_offset)) != -1) |
| 2730 | | | { |
| 2731 | | | if(comma_offset == line_end_offset) |
| 2732 | | | { |
| 2733 | | | |
| 2734 | | | break; |
| 2735 | | | } |
| 2736 | | | |
| 2737 | | | if(tvb_get_guint8(tvb, comma_offset) != ',') |
| 2738 | | | { |
| 2739 | | | |
| 2740 | | | break; |
| 2741 | | | } |
| 2742 | | | comma_offset++; |
| 2743 | | | } |
| 2744 | | | break; |
| 2745 | | | |
| 2746 | | | case POS_VIA: |
| 2747 | | | |
| 2748 | | | if (hdr_tree) { |
| 2749 | | | sip_element_item = proto_tree_add_string_format(hdr_tree, |
| 2750 | | | [hf_index], tvb, |
| 2751 | | | offset, next_offset - offset, |
| 2752 | | | value, "%s", |
| 2753 | | | tvb_format_text(tvb, offset, linelen)); |
| 2754 | | | via_tree = proto_item_add_subtree(sip_element_item, ett_sip_via); |
| 2755 | | | } |
| 2756 | | | (tvb, via_tree, value_offset, line_end_offset); |
| 2757 | | | break; |
| 2758 | | | case POS_REASON: |
| 2759 | | | if(hdr_tree) { |
| 2760 | | | sip_element_item = proto_tree_add_string_format(hdr_tree, |
| 2761 | | | [hf_index], tvb, |
| 2762 | | | offset, next_offset - offset, |
| 2763 | | | value, "%s", |
| 2764 | | | tvb_format_text(tvb, offset, linelen)); |
| 2765 | | | reason_tree = proto_item_add_subtree(sip_element_item, ett_sip_reason); |
| 2766 | | | } |
| 2767 | | | (tvb, reason_tree, value_offset, line_end_offset); |
| 2768 | | | break; |
| 2769 | | | default : |
| 2770 | | | |
| 2771 | | | if(hdr_tree) { |
| 2772 | | | sip_element_item = proto_tree_add_string_format(hdr_tree, |
| 2773 | | | [hf_index], tvb, |
| 2774 | | | offset, next_offset - offset, |
| 2775 | | | value, "%s", |
| 2776 | | | tvb_format_text(tvb, offset, linelen)); |
| 2777 | | | } |
| 2778 | | | break; |
| 2779 | | | } |
| 2780 | | | } |
| 2781 | | | } |
| 2782 | | | if ( == TRUE){ |
| 2783 | | | |
| 2784 | | | cause=proto_tree_add_text(hdr_tree, tvb, line_end_offset, -1, |
| 2785 | | | "[ not terminated by empty line (CRLF)]"); |
| 2786 | | | |
| 2787 | | | proto_item_set_expert_flags(cause, PI_MALFORMED, PI_WARN); |
| 2788 | | | expert_add_info_format(pinfo, sip_element_item, |
| 2789 | | | PI_MALFORMED, PI_WARN, |
| 2790 | | | " not terminated by empty line (CRLF)"); |
| 2791 | | | } |
| 2792 | | | offset = next_offset; |
| 2793 | | | } |
| 2794 | | | |
| 2795 | | | datalen = tvb_length_remaining(tvb, offset); |
| 2796 | | | reported_datalen = tvb_reported_length_remaining(tvb, offset); |
| 2797 | | | if (content_length != -1) { |
| 2798 | | | if (datalen > content_length) |
| 2799 | | | datalen = content_length; |
| 2800 | | | if (reported_datalen > content_length) |
| 2801 | | | reported_datalen = content_length; |
| 2802 | | | } |
| 2803 | | | |
| 2804 | | | if (datalen > 0) { |
| 2805 | | | |
| 2806 | | | |
| 2807 | | | |
| 2808 | | | |
| 2809 | | | proto_item_set_end(th, tvb, offset); |
| 2810 | | | next_tvb = tvb_new_subset(tvb, offset, datalen, reported_datalen); |
| 2811 | | | if(sip_tree) { |
| 2812 | | | ti = proto_tree_add_item(sip_tree, hf_sip_msg_body, next_tvb, 0, -1, |
| 2813 | | | FALSE); |
| 2814 | | | message_body_tree = proto_item_add_subtree(ti, ett_sip_message_body); |
| 2815 | | | } |
| 2816 | | | |
| 2817 | | | |
| 2818 | | | |
| 2819 | | | if ( media_type_str_lower_case != NULL ) { |
| 2820 | | | void *save_private_data = pinfo->private_data; |
| 2821 | | | pinfo->private_data = content_type_parameter_str; |
| 2822 | | | found_match = dissector_try_string(media_type_dissector_table, |
| 2823 | | | media_type_str_lower_case, |
| 2824 | | | next_tvb, pinfo, |
| 2825 | | | message_body_tree); |
| 2826 | | | pinfo->private_data = save_private_data; |
| 2827 | | | |
| 2828 | | | } |
| 2829 | | | if ( found_match != TRUE ) |
| 2830 | | | { |
| 2831 | | | if (!(dissector_try_heuristic(heur_subdissector_list, |
| 2832 | | | next_tvb, pinfo, message_body_tree))) { |
| 2833 | | | int tmp_offset = 0; |
| 2834 | | | while (tvb_offset_exists(next_tvb, tmp_offset)) { |
| 2835 | | | tvb_find_line_end(next_tvb, tmp_offset, -1, &next_offset, FALSE); |
| 2836 | | | linelen = next_offset - tmp_offset; |
| 2837 | | | if(message_body_tree) { |
| 2838 | | | proto_tree_add_text(message_body_tree, next_tvb, |
| 2839 | | | tmp_offset, linelen, "%s", |
| 2840 | | | tvb_format_text(next_tvb, tmp_offset, linelen)); |
| 2841 | | | } |
| 2842 | | | tmp_offset = next_offset; |
| 2843 | | | } |
| 2844 | | | } |
| 2845 | | | } |
| 2846 | | | offset += datalen; |
| 2847 | | | } |
| 2848 | | | |
| 2849 | | | |
| 2850 | | | |
| 2851 | | | if (check_col(pinfo->cinfo, COL_INFO)) |
| 2852 | | | { |
| 2853 | | | |
| 2854 | | | if (strcmp(sip_methods[current_method_idx], "REGISTER") == 0) |
| 2855 | | | { |
| 2856 | | | if (contact_is_star && expires_is_0) |
| 2857 | | | { |
| 2858 | | | col_append_str(pinfo->cinfo, COL_INFO, " (remove all bindings)"); |
| 2859 | | | } |
| 2860 | | | else |
| 2861 | | | if (!contacts) |
| 2862 | | | { |
| 2863 | | | col_append_str(pinfo->cinfo, COL_INFO, " (fetch bindings)"); |
| 2864 | | | } |
| 2865 | | | } |
| 2866 | | | |
| 2867 | | | |
| 2868 | | | if (line_type == STATUS_LINE && (strcmp(cseq_method, "REGISTER") == 0)) |
| 2869 | | | { |
| 2870 | | | col_append_fstr(pinfo->cinfo, COL_INFO, " (%d bindings)", contacts); |
| 2871 | | | } |
| 2872 | | | } |
| 2873 | | | |
| 2874 | | | |
| 2875 | | | |
| 2876 | | | if ((line_type == REQUEST_LINE)&&(strcmp(cseq_method, "ACK") == 0)) |
| 2877 | | | { |
| 2878 | | | request_for_response = sip_find_invite(pinfo, cseq_method, call_id, |
| 2879 | | | cseq_number_set, cseq_number, |
| 2880 | | | &response_time); |
| 2881 | | | stat_info->setup_time = response_time; |
| 2882 | | | } |
| 2883 | | | |
| 2884 | | | |
| 2885 | | | resend_for_packet = sip_is_packet_resend(pinfo, cseq_method, call_id, |
| 2886 | | | cseq_number_set, cseq_number, |
| 2887 | | | line_type); |
| 2888 | | | |
| 2889 | | | stat_info->resend = (resend_for_packet > 0); |
| 2890 | | | |
| 2891 | | | |
| 2892 | | | if (reqresp_tree) |
| 2893 | | | { |
| 2894 | | | proto_item *item; |
| 2895 | | | item = proto_tree_add_boolean(reqresp_tree, hf_sip_resend, tvb, orig_offset, 0, |
| 2896 | | | resend_for_packet > 0); |
| 2897 | | | PROTO_ITEM_SET_GENERATED(item);
x /home/sate/Testcases/c/cve/wireshark-1.2.0/epan/proto.h |
| |
325 | #define PROTO_ITEM_SET_GENERATED(proto_item) \ |
326 | ((proto_item) ? FI_SET_FLAG((proto_item)->finfo, FI_GENERATED) : 0) |
| |
x /home/sate/Testcases/c/cve/wireshark-1.2.0/epan/proto.h |
| |
246 | #define FI_SET_FLAG(fi, flag) (fi->flags = fi->flags | flag) |
| |
|
| 2898 | | | if (resend_for_packet > 0) |
| 2899 | | | { |
| 2900 | | | item = proto_tree_add_uint(reqresp_tree, hf_sip_original_frame, |
| 2901 | | | tvb, orig_offset, 0, resend_for_packet); |
| 2902 | | | PROTO_ITEM_SET_GENERATED(item);
x /home/sate/Testcases/c/cve/wireshark-1.2.0/epan/proto.h |
| |
325 | #define PROTO_ITEM_SET_GENERATED(proto_item) \ |
326 | ((proto_item) ? FI_SET_FLAG((proto_item)->finfo, FI_GENERATED) : 0) |
| |
x /home/sate/Testcases/c/cve/wireshark-1.2.0/epan/proto.h |
| |
246 | #define FI_SET_FLAG(fi, flag) (fi->flags = fi->flags | flag) |
| |
|
| 2903 | | | } |
| 2904 | | | } |
| 2905 | | | |
| 2906 | | | |
| 2907 | | | if (line_type == STATUS_LINE) |
| 2908 | | | { |
| 2909 | | | request_for_response = sip_find_request(pinfo, cseq_method, call_id, |
| 2910 | | | cseq_number_set, cseq_number, |
| 2911 | | | &response_time); |
| 2912 | | | } |
| 2913 | | | |
| 2914 | | | if (reqresp_tree) |
| 2915 | | | { |
| 2916 | | | proto_item *item; |
| 2917 | | | if (request_for_response > 0) |
| 2918 | | | { |
| 2919 | | | item = proto_tree_add_uint(reqresp_tree, hf_sip_matching_request_frame, |
| 2920 | | | tvb, orig_offset, 0, request_for_response); |
| 2921 | | | PROTO_ITEM_SET_GENERATED(item);
x /home/sate/Testcases/c/cve/wireshark-1.2.0/epan/proto.h |
| |
325 | #define PROTO_ITEM_SET_GENERATED(proto_item) \ |
326 | ((proto_item) ? FI_SET_FLAG((proto_item)->finfo, FI_GENERATED) : 0) |
| |
x /home/sate/Testcases/c/cve/wireshark-1.2.0/epan/proto.h |
| |
246 | #define FI_SET_FLAG(fi, flag) (fi->flags = fi->flags | flag) |
| |
|
| 2922 | | | item = proto_tree_add_uint(reqresp_tree, hf_sip_response_time, |
| 2923 | | | tvb, orig_offset, 0, response_time); |
| 2924 | | | PROTO_ITEM_SET_GENERATED(item);
x /home/sate/Testcases/c/cve/wireshark-1.2.0/epan/proto.h |
| |
325 | #define PROTO_ITEM_SET_GENERATED(proto_item) \ |
326 | ((proto_item) ? FI_SET_FLAG((proto_item)->finfo, FI_GENERATED) : 0) |
| |
x /home/sate/Testcases/c/cve/wireshark-1.2.0/epan/proto.h |
| |
246 | #define FI_SET_FLAG(fi, flag) (fi->flags = fi->flags | flag) |
| |
|
| 2925 | | | if ((line_type == STATUS_LINE)&&(strcmp(cseq_method, "BYE") == 0)){ |
| 2926 | | | item = proto_tree_add_uint(reqresp_tree, hf_sip_release_time, |
| 2927 | | | tvb, orig_offset, 0, response_time); |
| 2928 | | | PROTO_ITEM_SET_GENERATED(item);
x /home/sate/Testcases/c/cve/wireshark-1.2.0/epan/proto.h |
| |
325 | #define PROTO_ITEM_SET_GENERATED(proto_item) \ |
326 | ((proto_item) ? FI_SET_FLAG((proto_item)->finfo, FI_GENERATED) : 0) |
| |
x /home/sate/Testcases/c/cve/wireshark-1.2.0/epan/proto.h |
| |
246 | #define FI_SET_FLAG(fi, flag) (fi->flags = fi->flags | flag) |
| |
|
| 2929 | | | } |
| 2930 | | | } |
| 2931 | | | } |
| 2932 | | | |
| 2933 | | | if (ts != NULL) |
| 2934 | | | proto_item_set_len(ts, offset - orig_offset); |
| 2935 | | | |
| 2936 | | | if (global_sip_raw_text) |
| 2937 | | | tvb_raw_text_add(tvb, orig_offset, offset - orig_offset, tree); |
| 2938 | | | |
| 2939 | | | |
| 2940 | | | if (!pinfo->in_error_pkt) |
| 2941 | | | { |
| 2942 | | | tap_queue_packet(sip_tap, pinfo, stat_info); |
| 2943 | | | } |
| 2944 | | | |
| 2945 | | | return offset - orig_offset; |
| 2946 | | | } |
| |