language: c

git:
  depth: 3

# use focal which provides libtommath 1.20
dist: focal

matrix:
  include:
    - name: "plain linux"
      compiler: gcc
      env: WEXTRAFLAGS=-Werror
    - name: "multi binary"
      env: MULTI=1 WEXTRAFLAGS=-Werror
    - name: "bundled libtom, xenial, no writev()"
      # NOWRITEV is unrelated to libtom/xenial, test here to save a job
      env: CONFIGURE_FLAGS=--enable-bundled-libtom WEXTRAFLAGS=-Werror NOWRITEV=1 
      # can use an older distro with bundled libtom
      dist: xenial
    - name: "linux clang"
      os: linux
      compiler: clang
      env: WEXTRAFLAGS=-Werror
    - name: "osx"
      os: osx
      compiler: clang
      # OS X says daemon() and utmp are deprecated
      env: WEXTRAFLAGS="-Wno-deprecated-declarations -Werror"
    # Note: the fuzzing malloc wrapper doesn't replace free() in system libtomcrypt, so need bundled.
    # Address sanitizer
    - name: "fuzz-asan"
      env: DO_FUZZ=1 CONFIGURE_FLAGS="--enable-fuzz --disable-harden --enable-bundled-libtom" WEXTRAFLAGS=-Werror LDFLAGS=-fsanitize=address EXTRACFLAGS=-fsanitize=address CXX=clang++
      compiler: clang
    # Undefined Behaviour sanitizer
    - name: "fuzz-ubsan"
      # don't fail with alignment due to https://github.com/libtom/libtomcrypt/issues/549
      env: DO_FUZZ=1 CONFIGURE_FLAGS="--enable-fuzz --disable-harden --enable-bundled-libtom" WEXTRAFLAGS=-Werror LDFLAGS=-fsanitize=undefined EXTRACFLAGS="-fsanitize=undefined -fno-sanitize-recover=undefined -fsanitize-recover=alignment" CXX=clang++
      compiler: clang

# container-based builds
addons:
  apt:
    packages:
    # packages list: https://github.com/travis-ci/apt-package-whitelist/blob/master/ubuntu-precise
    - zlib1g-dev
    - libtomcrypt-dev
    - libtommath-dev
    - mercurial

before_install:
  - if [ "$CC" = "clang" ]; then WEXTRAFLAGS="$WEXTRAFLAGS -Wno-error=incompatible-library-redeclaration" ; fi  # workaround

install:
  - ./configure $CONFIGURE_FLAGS CFLAGS="-O2 -Wall -Wno-pointer-sign $WEXTRAFLAGS $EXTRACFLAGS" --prefix="$HOME/inst" || (cat config.log; exit 1)
  - if [ "$NOWRITEV" = "1" ]; then sed -i -e s/HAVE_WRITEV/DONT_HAVE_WRITEV/ config.h ; fi
  - make lint
  - make -j3 
  - test -z $DO_FUZZ || make fuzzstandalone
  # avoid concurrent install, osx/freebsd is racey (https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=208093)
  - make install 

script:
  - ~/inst/bin/dropbearkey -t rsa -f testrsa
  - ~/inst/bin/dropbearkey -t dss -f testdss
  - ~/inst/bin/dropbearkey -t ecdsa -f testec256 -s 256
  - ~/inst/bin/dropbearkey -t ecdsa -f testec384 -s 384
  - ~/inst/bin/dropbearkey -t ecdsa -f testec521 -s 521
  - ~/inst/bin/dropbearkey -t ed25519 -f tested25519
  - test -z $DO_FUZZ || ./fuzzers_test.sh

branches:
  only:
    - master
    - coverity