russell@unturf.com
db29a08762
B&W print-friendly diagrams + tinkerpop-0001 + wave-3 proof sections. Squash of 94 local commits onto remote master.
22 lines
1.1 KiB
Bash
Executable file
22 lines
1.1 KiB
Bash
Executable file
#!/usr/bin/env bash
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# CWE-407 scan — PHP Zend Engine (CFG, DFG, SSA, OPcache optimizer)
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set -euo pipefail
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echo "# scan=php-zend host=$(hostname) date=$(date -u +%Y-%m-%dT%H:%M:%SZ)"
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cd /tmp && git clone --depth 1 https://github.com/php/php-src php-src 2>&1 | tail -1
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GRAPH_KW="cfg\b|dfg\b|ssa\b|dominator|liveness|reachab|topolog|cycle|dfs\b|scc\b|postorder|strongly.connected|basic.block|dataflow"
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C_MEM='std::find[(]|linear_search|zend_bitset_in\b|in_list\b|zend_llist_.*find|ZEND_HASH_FOREACH.*==|zend_linked_list'
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for dir in Zend "ext/opcache/Optimizer"; do
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echo "# roots: /tmp/php-src/$dir"
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find /tmp/php-src/$dir -name "*.c" -o -name "*.h" 2>/dev/null | sort | while IFS= read -r f; do
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gl=$(grep -inE "$GRAPH_KW" "$f" 2>/dev/null | cut -d: -f1 | head -5 || true)
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[ -z "$gl" ] && continue
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while IFS= read -r ln; do
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s=$(( ln > 20 ? ln - 20 : 1 )); e=$(( ln + 20 ))
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hit=$(sed -n "${s},${e}p" "$f" 2>/dev/null | grep -iE "$C_MEM" | head -1 | sed 's/^\s*//' || true)
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[ -n "$hit" ] && echo "CANDIDATE ${f}:${ln} ${hit}"
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done <<< "$gl"
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done
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done
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echo "# scan complete"
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