From b565d7d9c47ca1ec5af0effd828431ee96027d60 Mon Sep 17 00:00:00 2001 From: srdusr <99972264+srdusr@users.noreply.github.com> Date: Mon, 27 May 2024 22:00:00 +0200 Subject: Rename project from wireframe to packeteer Decided on the name after weighing alternatives in NAMES.md: packeteer (packet + -eer, "one who wields packets") fit the project's actual scope better than the wire/frame pun once it had grown into full L2-L7 dissection, reassembly, checksums, privilege dropping, and dual TUI/GUI frontends. No existing packet-capture project uses the name; the one real-world collision (Packeteer, Inc., a networking company acquired and folded into Blue Coat/Symantec by 2008) is long defunct. Mechanical rename throughout: CMake project/target names, the wireframe:: namespace and include/wireframe/ directory (git mv, history preserved), every #include path, CLI/GUI help text, and the project's own working directory. NAMES.md rewritten to record the decision instead of leaving stale self-referential etymology behind from the blind rename pass. Verified after every step: full rebuild (all four targets, no warnings) and the full test suite (128/128 cases, 366/366 assertions) both from a fresh reconfigure and again after the directory move. --- include/wireframe/l7/http.hpp | 113 ------------------------------------------ 1 file changed, 113 deletions(-) delete mode 100644 include/wireframe/l7/http.hpp (limited to 'include/wireframe/l7/http.hpp') diff --git a/include/wireframe/l7/http.hpp b/include/wireframe/l7/http.hpp deleted file mode 100644 index 4780b23..0000000 --- a/include/wireframe/l7/http.hpp +++ /dev/null @@ -1,113 +0,0 @@ -#pragma once - -#include -#include -#include -#include -#include - -#include "wireframe/l7/dissector.hpp" - -// Best-effort, single-segment HTTP/1.x request/status-line parsing (plus -// the Host: header for requests). No TCP stream reassembly, so a -// message split across multiple packets is only partially visible here -// - the same scope DNS already has (single UDP datagram, no -// reassembly). Good enough for a one-line summary, not a full dissector. -namespace wireframe::net { - -inline constexpr std::uint16_t kHttpPort = 80; - -struct HttpMessage { - bool is_request; - std::string method_or_version; // request: method (GET); response: "HTTP/1.1" - std::string target_or_status; // request: target path; response: status code - std::optional host; // request only, from a Host: header if present -}; - -inline std::optional parse_http(std::span payload) { - std::string_view text(reinterpret_cast(payload.data()), payload.size()); - - std::size_t line_end = text.find("\r\n"); - std::size_t term_len = 2; - if (line_end == std::string_view::npos) { - line_end = text.find('\n'); - term_len = 1; - if (line_end == std::string_view::npos) return std::nullopt; - } - std::string_view first_line = text.substr(0, line_end); - - std::size_t sp1 = first_line.find(' '); - if (sp1 == std::string_view::npos) return std::nullopt; - std::size_t sp2 = first_line.find(' ', sp1 + 1); - if (sp2 == std::string_view::npos) return std::nullopt; - - std::string_view field1 = first_line.substr(0, sp1); - std::string_view field2 = first_line.substr(sp1 + 1, sp2 - sp1 - 1); - - HttpMessage msg; - - if (field1.substr(0, 5) == "HTTP/") { - msg.is_request = false; - msg.method_or_version = std::string(field1); - msg.target_or_status = std::string(field2); - return msg; - } - - static constexpr std::string_view kMethods[] = {"GET", "POST", "PUT", "DELETE", - "HEAD", "OPTIONS", "PATCH", "CONNECT", - "TRACE"}; - bool known_method = false; - for (auto method : kMethods) { - if (field1 == method) { - known_method = true; - break; - } - } - if (!known_method) return std::nullopt; - - msg.is_request = true; - msg.method_or_version = std::string(field1); - msg.target_or_status = std::string(field2); - - // Best-effort Host: header scan, bounded by whatever this one - // packet contains and terminated at the first blank line (end of - // headers) or the end of the payload - never loops past text.size(). - std::size_t pos = line_end + term_len; - while (pos < text.size()) { - std::size_t next_end = text.find("\r\n", pos); - std::size_t header_len = (next_end == std::string_view::npos) ? text.size() - pos - : next_end - pos; - std::string_view header_line = text.substr(pos, header_len); - if (header_line.empty()) break; // blank line: end of headers - - if (header_line.size() > 5 && - (header_line.substr(0, 5) == "Host:" || header_line.substr(0, 5) == "host:")) { - std::size_t value_start = 5; - while (value_start < header_line.size() && header_line[value_start] == ' ') { - ++value_start; - } - msg.host = std::string(header_line.substr(value_start)); - } - - if (next_end == std::string_view::npos) break; - pos = next_end + 2; - } - - return msg; -} - -class HttpDissector : public L7Dissector { -public: - std::uint16_t port() const override { return kHttpPort; } - - std::optional summarize(std::span payload) const override { - auto msg = parse_http(payload); - if (!msg) return std::nullopt; - - std::string out = "HTTP " + msg->method_or_version + " " + msg->target_or_status; - if (msg->host) out += " Host: " + *msg->host; - return out; - } -}; - -} // namespace wireframe::net -- cgit v1.2.3