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22 lines
1,015 B
C
22 lines
1,015 B
C
// resolv_shim.c -- Wrappers for glibc-internal resolver symbols.
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//
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// ntgcalls' CMake (cmake/FindGLib.cmake) downloads a pre-built static glib
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// from pytgcalls/glib GitHub releases. That binary was compiled on an older
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// glibc (manylinux2014 / CentOS 7) where __dn_expand and __res_nquery were
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// linkable symbols. On bookworm's glibc 2.36 they are no longer exposed to
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// the linker; only the public POSIX names (dn_expand, res_nquery) are.
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//
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// The glib build is downloaded rather than compiled here, so the simplest
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// fix is to forward the internal names to the public ones.
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#include <resolv.h>
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#include <arpa/nameser.h>
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int __dn_expand(const unsigned char *msg, const unsigned char *eom,
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const unsigned char *src, char *dst, int dstsiz) {
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return dn_expand(msg, eom, src, dst, dstsiz);
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}
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int __res_nquery(res_state statp, const char *name, int class, int type,
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unsigned char *answer, int anslen) {
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return res_nquery(statp, name, class, type, answer, anslen);
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}
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