simplaret: added dependency and signature checking

git-svn-id: svn+slack://slack.fluxo.info/var/svn/simplepkg@152 04377dda-e619-0410-9926-eae83683ac58

5 files changed, 119 insertions, 11 deletions

diff --git a/conf/simplepkg.conf.new b/conf/simplepkg.conf.new
index 51187ef..29be9fa 100644
--- a/conf/simplepkg.conf.new
+++ b/conf/simplepkg.conf.new
@@ -60,6 +60,14 @@ CONNECT_TIMEOUT="20"
 # ROOT repository package priority
 ROOT_PRIORITY="patches slackware extra testing pasture"
 
+# whether to check package signatures (you should have the repository
+# maintainer key on your keyring)
+SIGNATURE_CHECKING="0"
+
+# whether simplaret will try to solve dependencies by looking
+# for packages' slack-required
+DEPENDENCY_CHECKING="1"
+
 # Enabling this option (i.e, setting to "1" or "yes"), simplaret will
 # donwload even # already applied patches, a good option when you plan
 # to keep local copies of all needed patches for your system
diff --git a/doc/CHANGELOG b/doc/CHANGELOG
index 5c7cc98..f4cbce3 100644
--- a/doc/CHANGELOG
+++ b/doc/CHANGELOG
@@ -2,7 +2,11 @@ simplepkg changelog
 -------------------
 
 0.4.9pre24: simplaret:
-            - new config variable STORE_ROOT_PATCHES_ON_PATCHES_DIR
+            - new config variables:
+              - STORE_ROOT_PATCHES_ON_PATCHES_DIR
+              - SIGNATURE_CHECKING
+            - signature checking
+            - dependency checking through slack-required
 
 0.4.9pre18-23: simplaret:
                - enhanced http retrieval: curl support
diff --git a/lib/common.sh b/lib/common.sh
index 8292cb8..2b78c10 100644
--- a/lib/common.sh
+++ b/lib/common.sh
@@ -206,6 +206,8 @@ function eval_config {
     SIMPLARET_PURGE_PATCHES="`eval_boolean_parameter SIMPLARET_PURGE_PATCHES 0`"
     PASSIVE_FTP="`eval_boolean_parameter PASSIVE_FTP 0`"
     WARNING="`eval_boolean_parameter WARNING 0`"
+    SIGNATURE_CHECKING="`eval_boolean_parameter SIGNATURE_CHECKING 0`"
+    DEPENDENCY_CHECKING="`eval_boolean_parameter DEPENDENCY_CHECKING 1`"
 
     # Enabling this option (i.e, setting to "1" or "yes"), simplaret will
     # donwload even # already applied patches, a good option when you plan
diff --git a/simplepkg.SlackBuild b/simplepkg.SlackBuild
index d0295fd..c3a392b 100755
--- a/simplepkg.SlackBuild
+++ b/simplepkg.SlackBuild
@@ -6,7 +6,7 @@
 PACKAGE="simplepkg"
 PACK_DIR="package-$PACKAGE"
 BUILD=${BUILD:=1rha}
-VERSION="0.4.9pre23"
+VERSION="0.4.9pre24"
 ARCH="noarch"
 LIBEXEC="/usr/libexec/$PACKAGE"
 BINDIR="/usr/bin"
diff --git a/src/simplaret b/src/simplaret
index cb676f9..3a1508e 100755
--- a/src/simplaret
+++ b/src/simplaret
@@ -439,7 +439,7 @@ function simplaret_search_and_delete {
         if [ "`package_name $candidate`" == "`package_name $result`" ]; then
           if [ "`package_version $candidate`" == "`package_version $result`" ] && \
              [ "`package_build $candidate`" == "`package_build $result`" ]; then
-             LAST_DONWLOADED_PACKAGE="$file"
+             LAST_DOWNLOADED_PACKAGE="$file"
              if [ "$3" != "--silent" ]; then
                echo Package $candidate already downloaded
                # echo Package $candidate stored at `dirname $file`
@@ -495,7 +495,8 @@ function simplaret_get {
     if [ "`package_name $candidate`" == "$1" ]; then
       simplaret_repository_url
 
-      # if repos_type == root and the package is a patch,
+      # if repos_type == root, the package is a patch and
+      # STORE_ROOT_PATCHES_ON_PATCHES_DIR config parameter is enabled
       # save it on $PATCHES_DIR/root-$repository_name, so all patches
       # are placed in the same tree
       if [ "$repos_type" == "root" ] && \
@@ -505,16 +506,35 @@ function simplaret_get {
         folder="$storage/$repository_name"
       fi
 
+      # download the package
       simplaret_download $repository_url $file $folder
 
+      if [ -f "$folder/$candidate.asc" ]; then
+        rm $folder/$candidate.asc
+      fi
+
+      if [ -f "$folder/$1.slack-required" ]; then
+        rm $folder/$1.slack-required
+      fi
+
+      # download the signature, if exist
+      if simplaret_check_url $repository_url/$file.asc; then
+        simplaret_download $repository_url $file.asc $folder
+      fi
+
+      # download slack-required, if exist
+      if simplaret_check_url $repository_url/`dirname $file`/$1.slack-required; then
+        simplaret_download $repository_url `dirname $file`/$1.slack-required $folder
+      fi
+
       if [ ! -f "$folder/$candidate" ]; then
-        LAST_DONWLOADED_PACKAGE="0"
+        LAST_DOWNLOADED_PACKAGE="0"
         if [ "$2" != "--silent" ]; then
           echo Error downloading $candidate from $repos_type repository $repository_url, please check your settings
         fi
         return 1
       else
-        LAST_DONWLOADED_PACKAGE="$folder/$candidate"
+        LAST_DOWNLOADED_PACKAGE="$folder/$candidate"
         if [ "$2" != "--silent" ]; then
           silent=""
           echo Package $candidate stored at $folder
@@ -522,6 +542,9 @@ function simplaret_get {
           # echo $folder/$candidate
           silent="--silent"
         fi
+        if [ -f "$folder/$candidate.asc" ] || [ "$SIGNATURE_CHECKING" == "1" ]; then
+          gpg --verify $folder/$candidate.asc $folder/$candidate
+        fi
         simplaret_checksum $storage/$repository_name/CHECKSUMS.md5 $folder/$candidate $silent
         return $?
       fi
@@ -752,7 +775,7 @@ function simplaret_install {
   # download and install a package
   # usage: simplaret_install <package-name> [--skip-checks]
 
-  local package root jail_arch jail_version
+  local package root jail_arch jail_version slack_required dep dependency
 
   root="/$ROOT"
   mkdir -p $root/var/log/setup/tmp
@@ -775,20 +798,35 @@ function simplaret_install {
 
   # package="`simplaret_get $1 --silent`"
   simplaret_get $1 --silent
-  package="$LAST_DONWLOADED_PACKAGE"
+  package="$LAST_DOWNLOADED_PACKAGE"
 
   if [ "$package" != "0" ] && [ ! -z "$package" ]; then
+    slack_required="`dirname $package`/$1.slack-required"
     if [ -f "$package" ]; then
+
+      if [ -f "$slack_required" ] || [ "$DEPENDENCY_CHECKING" == "1" ]; then
+        # this routine checks for dependencies in package's slack-required
+        # procedure adapted from createpkg script
+        ( cat $slack_required | while read dep; do
+           if [ ! -z "$dep" ]; then
+            dependency="`echo $dep | awk '{ print $1 }'`"
+            simplaret_solve_dep $1 $dependency $root
+           fi
+           true
+         done )
+      fi
+
       ROOT=$root upgradepkg --install-new $package
-      LAST_DONWLOADED_PACKAGE="0"
+      LAST_DOWNLOADED_PACKAGE="0"
+
     else
       echo "error: could not install package $1: file not found"
-      LAST_DONWLOADED_PACKAGE="0"
+      LAST_DOWNLOADED_PACKAGE="0"
       return 1
     fi
   else
     echo "error: could not install package $1"
-    LAST_DONWLOADED_PACKAGE="0"
+    LAST_DOWNLOADED_PACKAGE="0"
     return 1
   fi
 
@@ -871,6 +909,53 @@ function simplaret_set_arch {
 
 }
 
+function simplaret_check_url {
+
+  # check if a given url exist, use just with small files
+  # usage: simplaret_check_url <url>
+
+  if [ -z "$1" ]; then
+    return 1
+  fi
+
+  if [ ! -z "$CONNECT_TIMEOUT" ] || [ "$CONNECT_TIMEOUT" != "0" ]; then
+    curl_timeout="--connect-timeout $CONNECT_TIMEOUT"
+  fi
+
+  if [ "`curl $curl_timeout -I $1 2> /dev/null | head -n 1 | awk '{ print $2 }'`" == "200" ]; then
+    # server gave a 200 response, so the url exist
+    return 0
+  else
+    # the url is missing
+    return 1
+  fi
+
+}
+
+function simplaret_solve_dep {
+
+  # solve dependency for a package
+  # this function was adapted from createpkg script
+  # usage: simplaret_solve_dep <package-name> <package-depencency-name> [root-folder]
+
+  local installed check exit_code
+
+  local package="$1"
+  local pack="$2"
+  local root="/$3"
+
+  installed=`eval "ls $root/var/log/packages/ | egrep '^$pack-[^-]+-[^-]+-[^-]+$'"`
+  check=$?
+
+  if [ -z "$installed" ]; then
+    if [ $check -ne 0 ]; then
+      echo "$BASENAME: processing $1 dependency $pack" 
+      SIMPLARET_CHILD=$SIMPLARET_CHILD simplaret --install $PACK
+    fi
+  fi
+
+}
+
 if [ -z "$1" ]; then
   simplaret_usage
   exit 1
@@ -878,6 +963,15 @@ else
   eval_config $BASENAME
 fi
 
+# This is used to show how many children process we have
+if [ -z "$SIMPLARET_CHILD" ]; then
+  SIMPLARET_CHILD="1"
+else
+  let SIMPLARET_CHILD++
+fi
+
+BASENAME="`basename $0`[$SIMPLARET_CHILD]"
+
 case $1 in
   "--update" | "update") simplaret_update ;;
   "--search" | "search") shift ; simplaret_search $* ;;