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authorBill Meier <wmeier@newsguy.com>2014-10-04 11:28:35 -0400
committerBill Meier <wmeier@newsguy.com>2014-10-04 15:34:02 +0000
commitebfe8f6d289e3d2649dcfd5a3902ba038b0ee2bd (patch)
treed7cfeb5eb4592086744dbfaa71f1163932bc43a8 /epan/dissectors/packet-icap.c
parent20795925ffb2f9687e960de8d6798e53482cb175 (diff)
Add editor modelines; Reformat as appropriate.
Change-Id: I8e9c58b75eea85877d22024201e5d8d0e9a3dbfd Reviewed-on: https://code.wireshark.org/review/4459 Reviewed-by: Bill Meier <wmeier@newsguy.com>
Diffstat (limited to 'epan/dissectors/packet-icap.c')
-rw-r--r--epan/dissectors/packet-icap.c489
1 files changed, 251 insertions, 238 deletions
diff --git a/epan/dissectors/packet-icap.c b/epan/dissectors/packet-icap.c
index ed8d9f8226..a0f1d238cf 100644
--- a/epan/dissectors/packet-icap.c
+++ b/epan/dissectors/packet-icap.c
@@ -36,11 +36,11 @@ void proto_register_icap(void);
void proto_reg_handoff_icap(void);
typedef enum _icap_type {
- ICAP_OPTIONS,
- ICAP_REQMOD,
- ICAP_RESPMOD,
- ICAP_RESPONSE,
- ICAP_OTHER
+ ICAP_OPTIONS,
+ ICAP_REQMOD,
+ ICAP_RESPMOD,
+ ICAP_RESPONSE,
+ ICAP_OTHER
} icap_type_t;
static int proto_icap = -1;
@@ -55,284 +55,297 @@ static gint ett_icap = -1;
static dissector_handle_t data_handle;
static dissector_handle_t http_handle;
-#define TCP_PORT_ICAP 1344
+#define TCP_PORT_ICAP 1344
static int is_icap_message(const guchar *data, int linelen, icap_type_t *type);
static void
dissect_icap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
- proto_tree *icap_tree = NULL;
- proto_item *ti = NULL;
- proto_item *hidden_item;
- tvbuff_t *new_tvb;
- gint offset = 0;
- const guchar *line;
- gint next_offset;
- const guchar *linep, *lineend;
- int linelen;
- guchar c;
- icap_type_t icap_type;
- int datalen;
-
- col_set_str(pinfo->cinfo, COL_PROTOCOL, "ICAP");
-
- /*
- * Put the first line from the buffer into the summary
- * if it's an ICAP header (but leave out the
- * line terminator).
- * Otherwise, just call it a continuation.
- *
- * Note that "tvb_find_line_end()" will return a value that
- * is not longer than what's in the buffer, so the
- * "tvb_get_ptr()" call won't throw an exception.
- */
- linelen = tvb_find_line_end(tvb, offset, -1, &next_offset, FALSE);
- line = tvb_get_ptr(tvb, offset, linelen);
- icap_type = ICAP_OTHER; /* type not known yet */
- if (is_icap_message(line, linelen, &icap_type))
- col_add_str(pinfo->cinfo, COL_INFO,
- format_text(line, linelen));
- else
- col_set_str(pinfo->cinfo, COL_INFO, "Continuation");
-
- if (tree) {
- ti = proto_tree_add_item(tree, proto_icap, tvb, offset, -1,
- ENC_NA);
- icap_tree = proto_item_add_subtree(ti, ett_icap);
- }
-
- /*
- * Process the packet data, a line at a time.
- */
- icap_type = ICAP_OTHER; /* type not known yet */
- while (tvb_offset_exists(tvb, offset)) {
- gboolean is_icap = FALSE;
- gboolean loop_done = FALSE;
- /*
- * Find the end of the line.
- */
- linelen = tvb_find_line_end(tvb, offset, -1, &next_offset,
- FALSE);
-
- /*
- * Get a buffer that refers to the line.
- */
- line = tvb_get_ptr(tvb, offset, linelen);
- lineend = line + linelen;
-
- /*
- * find header format
- */
- if (is_icap_message(line, linelen, &icap_type)) {
- goto is_icap_header;
- }
-
- /*
- * if it looks like a blank line, end of header perhaps?
- */
- if (linelen == 0) {
- goto is_icap_header;
- }
-
- /*
- * No. Does it look like a header?
- */
- linep = line;
- loop_done = FALSE;
- while (linep < lineend && (!loop_done)) {
- c = *linep++;
-
- /*
- * This must be a CHAR to be part of a token; that
- * means it must be ASCII.
- */
- if (!isascii(c)) {
- is_icap = FALSE;
- break; /* not ASCII, thus not a CHAR */
- }
-
- /*
- * This mustn't be a CTL to be part of a token.
- *
- * XXX - what about leading LWS on continuation
- * lines of a header?
- */
- if (iscntrl(c)) {
- is_icap = FALSE;
- break; /* CTL, not part of a header */
- }
-
- switch (c) {
-
- case '(':
- case ')':
- case '<':
- case '>':
- case '@':
- case ',':
- case ';':
- case '\\':
- case '"':
- case '/':
- case '[':
- case ']':
- case '?':
- case '=':
- case '{':
- case '}':
- /*
- * It's a separator, so it's not part of a
- * token, so it's not a field name for the
- * beginning of a header.
- *
- * (We don't have to check for HT; that's
- * already been ruled out by "iscntrl()".)
- *
- * XXX - what about ' '? HTTP's checks
- * check for that.
- */
- is_icap = FALSE;
- loop_done = TRUE;
- break;
-
- case ':':
- /*
- * This ends the token; we consider this
- * to be a header.
- */
- goto is_icap_header;
- }
- }
-
- /*
- * We don't consider this part of an ICAP message,
- * so we don't display it.
- * (Yeah, that means we don't display, say, a text/icap
- * page, but you can get that from the data pane.)
- */
- if (!is_icap)
- break;
+ proto_tree *icap_tree = NULL;
+ proto_item *ti = NULL;
+ proto_item *hidden_item;
+ tvbuff_t *new_tvb;
+ gint offset = 0;
+ const guchar *line;
+ gint next_offset;
+ const guchar *linep, *lineend;
+ int linelen;
+ guchar c;
+ icap_type_t icap_type;
+ int datalen;
+
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "ICAP");
+
+ /*
+ * Put the first line from the buffer into the summary
+ * if it's an ICAP header (but leave out the
+ * line terminator).
+ * Otherwise, just call it a continuation.
+ *
+ * Note that "tvb_find_line_end()" will return a value that
+ * is not longer than what's in the buffer, so the
+ * "tvb_get_ptr()" call won't throw an exception.
+ */
+ linelen = tvb_find_line_end(tvb, offset, -1, &next_offset, FALSE);
+ line = tvb_get_ptr(tvb, offset, linelen);
+ icap_type = ICAP_OTHER; /* type not known yet */
+ if (is_icap_message(line, linelen, &icap_type))
+ col_add_str(pinfo->cinfo, COL_INFO,
+ format_text(line, linelen));
+ else
+ col_set_str(pinfo->cinfo, COL_INFO, "Continuation");
+
+ if (tree) {
+ ti = proto_tree_add_item(tree, proto_icap, tvb, offset, -1,
+ ENC_NA);
+ icap_tree = proto_item_add_subtree(ti, ett_icap);
+ }
+
+ /*
+ * Process the packet data, a line at a time.
+ */
+ icap_type = ICAP_OTHER; /* type not known yet */
+ while (tvb_offset_exists(tvb, offset)) {
+ gboolean is_icap = FALSE;
+ gboolean loop_done = FALSE;
+ /*
+ * Find the end of the line.
+ */
+ linelen = tvb_find_line_end(tvb, offset, -1, &next_offset,
+ FALSE);
+
+ /*
+ * Get a buffer that refers to the line.
+ */
+ line = tvb_get_ptr(tvb, offset, linelen);
+ lineend = line + linelen;
+
+ /*
+ * find header format
+ */
+ if (is_icap_message(line, linelen, &icap_type)) {
+ goto is_icap_header;
+ }
+
+ /*
+ * if it looks like a blank line, end of header perhaps?
+ */
+ if (linelen == 0) {
+ goto is_icap_header;
+ }
+
+ /*
+ * No. Does it look like a header?
+ */
+ linep = line;
+ loop_done = FALSE;
+ while (linep < lineend && (!loop_done)) {
+ c = *linep++;
+
+ /*
+ * This must be a CHAR to be part of a token; that
+ * means it must be ASCII.
+ */
+ if (!isascii(c)) {
+ is_icap = FALSE;
+ break; /* not ASCII, thus not a CHAR */
+ }
+
+ /*
+ * This mustn't be a CTL to be part of a token.
+ *
+ * XXX - what about leading LWS on continuation
+ * lines of a header?
+ */
+ if (iscntrl(c)) {
+ is_icap = FALSE;
+ break; /* CTL, not part of a header */
+ }
+
+ switch (c) {
+
+ case '(':
+ case ')':
+ case '<':
+ case '>':
+ case '@':
+ case ',':
+ case ';':
+ case '\\':
+ case '"':
+ case '/':
+ case '[':
+ case ']':
+ case '?':
+ case '=':
+ case '{':
+ case '}':
+ /*
+ * It's a separator, so it's not part of a
+ * token, so it's not a field name for the
+ * beginning of a header.
+ *
+ * (We don't have to check for HT; that's
+ * already been ruled out by "iscntrl()".)
+ *
+ * XXX - what about ' '? HTTP's checks
+ * check for that.
+ */
+ is_icap = FALSE;
+ loop_done = TRUE;
+ break;
+
+ case ':':
+ /*
+ * This ends the token; we consider this
+ * to be a header.
+ */
+ goto is_icap_header;
+ }
+ }
+
+ /*
+ * We don't consider this part of an ICAP message,
+ * so we don't display it.
+ * (Yeah, that means we don't display, say, a text/icap
+ * page, but you can get that from the data pane.)
+ */
+ if (!is_icap)
+ break;
is_icap_header:
- proto_tree_add_format_text(icap_tree, tvb, offset, next_offset - offset);
- offset = next_offset;
- }
+ proto_tree_add_format_text(icap_tree, tvb, offset, next_offset - offset);
+ offset = next_offset;
+ }
- if (tree) {
- switch (icap_type) {
+ if (tree) {
+ switch (icap_type) {
- case ICAP_OPTIONS:
- hidden_item = proto_tree_add_boolean(icap_tree,
- hf_icap_options, tvb, 0, 0, 1);
+ case ICAP_OPTIONS:
+ hidden_item = proto_tree_add_boolean(icap_tree,
+ hf_icap_options, tvb, 0, 0, 1);
PROTO_ITEM_SET_HIDDEN(hidden_item);
- break;
+ break;
- case ICAP_REQMOD:
- hidden_item = proto_tree_add_boolean(icap_tree,
- hf_icap_reqmod, tvb, 0, 0, 1);
+ case ICAP_REQMOD:
+ hidden_item = proto_tree_add_boolean(icap_tree,
+ hf_icap_reqmod, tvb, 0, 0, 1);
PROTO_ITEM_SET_HIDDEN(hidden_item);
- break;
+ break;
- case ICAP_RESPMOD:
- hidden_item = proto_tree_add_boolean(icap_tree,
- hf_icap_respmod, tvb, 0, 0, 1);
+ case ICAP_RESPMOD:
+ hidden_item = proto_tree_add_boolean(icap_tree,
+ hf_icap_respmod, tvb, 0, 0, 1);
PROTO_ITEM_SET_HIDDEN(hidden_item);
- break;
+ break;
- case ICAP_RESPONSE:
- hidden_item = proto_tree_add_boolean(icap_tree,
- hf_icap_response, tvb, 0, 0, 1);
+ case ICAP_RESPONSE:
+ hidden_item = proto_tree_add_boolean(icap_tree,
+ hf_icap_response, tvb, 0, 0, 1);
PROTO_ITEM_SET_HIDDEN(hidden_item);
- break;
+ break;
- case ICAP_OTHER:
- default:
- break;
- }
- }
+ case ICAP_OTHER:
+ default:
+ break;
+ }
+ }
- datalen = tvb_length_remaining(tvb, offset);
+ datalen = tvb_length_remaining(tvb, offset);
if (datalen > 0) {
if(http_handle){
new_tvb = tvb_new_subset_remaining(tvb, offset);
call_dissector(http_handle, new_tvb, pinfo, icap_tree);
}
- }
+ }
}
static int
is_icap_message(const guchar *data, int linelen, icap_type_t *type)
{
-#define ICAP_COMPARE(string, length, msgtype) { \
- if (strncmp(data, string, length) == 0) { \
- if (*type == ICAP_OTHER) \
- *type = msgtype; \
- return TRUE; \
- } \
+#define ICAP_COMPARE(string, length, msgtype) { \
+ if (strncmp(data, string, length) == 0) { \
+ if (*type == ICAP_OTHER) \
+ *type = msgtype; \
+ return TRUE; \
+ } \
}
- /*
- * From draft-elson-opes-icap-01(72).txt
- */
- if (linelen >= 5) {
- ICAP_COMPARE("ICAP/", 5, ICAP_RESPONSE); /* response */
- }
- if (linelen >= 7) {
- ICAP_COMPARE("REQMOD ", 7, ICAP_REQMOD); /* request mod */
- }
- if (linelen >= 8) {
- ICAP_COMPARE("OPTIONS ", 8, ICAP_OPTIONS); /* options */
- ICAP_COMPARE("RESPMOD ", 8, ICAP_RESPMOD); /* response mod */
- }
- return FALSE;
+ /*
+ * From draft-elson-opes-icap-01(72).txt
+ */
+ if (linelen >= 5) {
+ ICAP_COMPARE("ICAP/", 5, ICAP_RESPONSE); /* response */
+ }
+ if (linelen >= 7) {
+ ICAP_COMPARE("REQMOD ", 7, ICAP_REQMOD); /* request mod */
+ }
+ if (linelen >= 8) {
+ ICAP_COMPARE("OPTIONS ", 8, ICAP_OPTIONS); /* options */
+ ICAP_COMPARE("RESPMOD ", 8, ICAP_RESPMOD); /* response mod */
+ }
+ return FALSE;
#undef ICAP_COMPARE
}
void
proto_register_icap(void)
{
- static hf_register_info hf[] = {
- { &hf_icap_response,
- { "Response", "icap.response",
- FT_BOOLEAN, BASE_NONE, NULL, 0x0,
- "TRUE if ICAP response", HFILL }},
- { &hf_icap_reqmod,
- { "Reqmod", "icap.reqmod",
- FT_BOOLEAN, BASE_NONE, NULL, 0x0,
- "TRUE if ICAP reqmod", HFILL }},
- { &hf_icap_respmod,
- { "Respmod", "icap.respmod",
- FT_BOOLEAN, BASE_NONE, NULL, 0x0,
- "TRUE if ICAP respmod", HFILL }},
- { &hf_icap_options,
- { "Options", "icap.options",
- FT_BOOLEAN, BASE_NONE, NULL, 0x0,
- "TRUE if ICAP options", HFILL }},
+ static hf_register_info hf[] = {
+ { &hf_icap_response,
+ { "Response", "icap.response",
+ FT_BOOLEAN, BASE_NONE, NULL, 0x0,
+ "TRUE if ICAP response", HFILL }},
+ { &hf_icap_reqmod,
+ { "Reqmod", "icap.reqmod",
+ FT_BOOLEAN, BASE_NONE, NULL, 0x0,
+ "TRUE if ICAP reqmod", HFILL }},
+ { &hf_icap_respmod,
+ { "Respmod", "icap.respmod",
+ FT_BOOLEAN, BASE_NONE, NULL, 0x0,
+ "TRUE if ICAP respmod", HFILL }},
+ { &hf_icap_options,
+ { "Options", "icap.options",
+ FT_BOOLEAN, BASE_NONE, NULL, 0x0,
+ "TRUE if ICAP options", HFILL }},
#if 0
- { &hf_icap_other,
- { "Other", "icap.other",
- FT_BOOLEAN, BASE_NONE, NULL, 0x0,
- "TRUE if ICAP other", HFILL }},
+ { &hf_icap_other,
+ { "Other", "icap.other",
+ FT_BOOLEAN, BASE_NONE, NULL, 0x0,
+ "TRUE if ICAP other", HFILL }},
#endif
- };
- static gint *ett[] = {
- &ett_icap,
- };
+ };
+ static gint *ett[] = {
+ &ett_icap,
+ };
- proto_icap = proto_register_protocol(
- "Internet Content Adaptation Protocol",
- "ICAP", "icap");
- proto_register_field_array(proto_icap, hf, array_length(hf));
- proto_register_subtree_array(ett, array_length(ett));
+ proto_icap = proto_register_protocol(
+ "Internet Content Adaptation Protocol",
+ "ICAP", "icap");
+ proto_register_field_array(proto_icap, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
}
void
proto_reg_handoff_icap(void)
{
- dissector_handle_t icap_handle;
+ dissector_handle_t icap_handle;
data_handle = find_dissector("data");
http_handle = find_dissector("http");
- icap_handle = create_dissector_handle(dissect_icap, proto_icap);
- dissector_add_uint("tcp.port", TCP_PORT_ICAP, icap_handle);
+ icap_handle = create_dissector_handle(dissect_icap, proto_icap);
+ dissector_add_uint("tcp.port", TCP_PORT_ICAP, icap_handle);
}
+
+/*
+ * Editor modelines - http://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */