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34 lines
1.4 KiB
Bash
Executable file
34 lines
1.4 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Rename every symbol that libntgcalls.a defines AND that the system OpenSSL
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# (libssl/libcrypto) also exports, so the two crypto libraries don't fight at
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# static link time. After this, TDLib's calls (compiled against system OpenSSL
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# headers) resolve to libcrypto.so.3, while ntgcalls/webrtc's internal calls
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# stay wired to its bundled BoringSSL via the renamed names.
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set -euo pipefail
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LIB=/usr/local/lib/libntgcalls.a
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SYS_CRYPTO=/usr/lib/x86_64-linux-gnu/libcrypto.so.3
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SYS_SSL=/usr/lib/x86_64-linux-gnu/libssl.so.3
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PREFIX=ntgssl_
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work=$(mktemp -d)
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trap 'rm -rf "$work"' EXIT
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nm --defined-only --extern-only "$LIB" 2>/dev/null \
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| awk 'NF>=3 {print $NF}' | sort -u > "$work/ntg_defined.txt"
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nm -D --defined-only "$SYS_CRYPTO" "$SYS_SSL" \
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| awk 'NF>=3 {n=$NF; sub(/@@.*/, "", n); print n}' | sort -u > "$work/sys_crypto.txt"
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comm -12 "$work/ntg_defined.txt" "$work/sys_crypto.txt" > "$work/clash.txt"
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test -s "$work/clash.txt"
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awk -v p="$PREFIX" '{print $1, p $1}' "$work/clash.txt" > "$work/redefine.txt"
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# objcopy operates on archives natively, transforming each member in place.
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# This avoids ar x / ar rcs roundtripping, which would flatten the archive's
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# directory structure and silently drop members with duplicate basenames.
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objcopy --redefine-syms="$work/redefine.txt" "$LIB"
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ranlib "$LIB"
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printf 'Isolated %d crypto symbols in libntgcalls.a\n' "$(wc -l < "$work/clash.txt")"
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