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63f09d3369
system's security checking algorithm. This will be used in the upcoming changes to bsd.*.mk. PR: 55331 Submitted by: Eugene M. Kim <ab@astralblue.com>
101 lines
2.9 KiB
Awk
101 lines
2.9 KiB
Awk
BEGIN {
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file = "";
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if (audit != "")
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stupid_functions_regexp="^(gets|mktemp|tempnam|tmpnam|strcpy|strcat|sprintf)$";
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else
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stupid_functions_regexp="^(gets|mktemp|tempnam|tmpnam)$";
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split("", stupid_binaries);
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split("", network_binaries);
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split("", setuid_binaries);
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split("", writable_files);
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split("", startup_scripts);
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header_printed = 0;
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}
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FILENAME ~ /\.flattened$/ {
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if ($0 ~ /(^|\/)etc\/rc\.d\//)
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startup_scripts[$0] = 1;
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}
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FILENAME ~ /\.objdump$/ {
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if (match($0, /: +file format [^ ]+$/)) {
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file = substr($0, 1, RSTART - 1);
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stupid_functions = "";
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next;
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}
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if (file == "")
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next;
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if ($3 ~ /^(gets|mktemp|tempnam|tmpnam)$/ ||
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($3 ~ /^(strcpy|strcat|sprintf)$/ && audit != ""))
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stupid_binaries[file] = stupid_binaries[file] " " $3;
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if ($3 ~ /^(accept|recvfrom)$/)
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network_binaries[file] = 1;
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}
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FILENAME ~ /\.setuid$/ { setuid_binaries[$0] = 1; }
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FILENAME ~ /\.writable$/ { writable_files[$0] = 1; }
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function print_header() {
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if (header_printed)
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return;
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if (audit != "")
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print "===> SECURITY REPORT (PARANOID MODE): ";
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else
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print "===> SECURITY REPORT: ";
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header_printed = 1;
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}
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function note_for_the_stupid(file) { return (file in stupid_binaries) ? (" (USES POSSIBLY INSECURE FUNCTIONS:" stupid_binaries[file] ")") : ""; }
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END {
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note_printed = 0;
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for (file in setuid_binaries) {
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if (!note_printed) {
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print_header();
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print " This port has installed the following binaries which execute with";
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print " increased privileges.";
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note_printed = 1;
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}
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print file note_for_the_stupid(file);
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}
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if (note_printed)
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print "";
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note_printed = 0;
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for (file in network_binaries) {
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if (!note_printed) {
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print_header();
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print " This port has installed the following files which may act as network";
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print " servers and may therefore pose a remote security risk to the system.";
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note_printed = 1;
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}
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print file note_for_the_stupid(file);
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}
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if (note_printed) {
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print "";
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note_printed = 0;
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for (file in startup_scripts) {
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if (!note_printed) {
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print_header();
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print " This port has installed the following startup scripts which may cause";
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print " these network services to be started at boot time.";
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note_printed = 1;
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}
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print file;
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}
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if (note_printed)
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print "";
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}
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note_printed = 0;
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for (file in writable_files) {
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if (!note_printed) {
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print_header();
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print " This port has installed the following world-writable files/directories.";
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note_printed = 1;
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}
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print file;
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}
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if (note_printed)
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print "";
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if (header_printed) {
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print " If there are vulnerabilities in these programs there may be a security";
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print " risk to the system. FreeBSD makes no guarantee about the security of";
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print " ports included in the Ports Collection. Please type 'make deinstall'";
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print " to deinstall the port if this is a concern.";
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}
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exit header_printed;
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}
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