asmttpd

Web server for Linux written in amd64 assembly.

Features:

• Multi-threaded.
• No libraries required ( only 64-bit Linux ).
• Very small binary.
• Quite fast.

What works:

• Serving files from specified document root.
• HEAD requests.
• 200, 206, 404, 400, 413, 416
• Content-types: xml, html, xhtml, gif, png, jpeg, css, js, svg, and octet-stream.

Planned Features:

• Directory listing.

Current Limitations / Known Issues

• Sendfile can hang if GET is cancelled.

Installation

Run make or make release for non-debug version.

You will need yasm installed.

Usage

./asmttpd /path/to/web_root port_number

Example: ./asmttpd ./web_root 8080

Changes

2023-04-13 : asmttpd - 0.4.6

• Initial directory listing support.

2021-01-15 : asmttpd - 0.4.5

• string_contains bugfix.

2019-04-22 : asmttpd - 0.4.4

• Added SVG support.

2019-01-24 : asmttpd - 0.4.3

• Added port number as parameter.

2017-10-18 : asmttpd - 0.4.2

• Set REUSEADDR.

2017-10-17 : asmttpd - 0.4.1

• Stack address bug fix.

2016-10-31 : asmttpd - 0.4

• HEAD support.

2014-07-14 : asmttpd - 0.3

• Added default document support.

2014-02-10 : asmttpd - 0.2

• Added 400, 413, 416 responses.
• Fixed header processing bug.

2014-02-07 : asmttpd - 0.1.1

• Fixed 206 max length bug.
• Commented out simple request logging, uncomment in main.asm to enable.

2014-02-06 : asmttpd - 0.1

• Fixed SIGPIPE when transfer is cancelled.
• Added a more useful error on bind failure.
• Fixed 206 size calculation.
• Combined seek & get file size system calls.

2014-02-05 : asmttpd - 0.09

• Issue #8 fix. Crashes on long request paths.

2014-02-04 : asmttpd - 0.08

• Added TCP corking.

2014-02-04 : asmttpd - 0.07

• Removed thread pool after benchmarking, changed to an accept-per-thread model.

2014-02-04 : asmttpd - 0.06

• Worker thread stack corruption bug fix.

2014-02-04 : asmttpd - 0.05

• Changed 200 and 206 implementation to use sendfile system call.
• Got rid of read/write buffer, changed request read buffer to standard 8KB.

2014-02-03 : asmttpd - 0.04

• 200 now streams full amount

2014-02-01 : asmttpd - 0.03

• Files are split if too large to fit into buffer.
• Added 206 responses with Content-Range handling

2014-01-30 : asmttpd - 0.02

• Added xml, xhtml, gif, png, jpeg, css, and javascript content types.
• Changed thread memory size to something reasonable. You can tweak it according to available memory. See comments in main.asm
• Added simple request logging.
• Added removal of '../' in URL.