34 lines
1.3 KiB
Plaintext
34 lines
1.3 KiB
Plaintext
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Patch to encourage third-parties to compile own packages instead
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of using hosted by Termux.
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diff -uNr bash-5.0/shell.c bash-5.0.mod/shell.c
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--- bash-5.0/shell.c 2018-12-06 18:28:21.000000000 +0200
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+++ bash-5.0.mod/shell.c 2020-09-27 23:27:30.347678058 +0300
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@@ -384,6 +384,26 @@
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USE_VAR(saverst);
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#endif
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+ // Reversed /data/data/com.termux/files/usr. Prevents patching with 'sed'
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+ // by using equal-size prefixes.
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+ const char termux_prefix_obfs[] = "rsu/selif/xumret.moc/atad/atad/";
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+ char termux_prefix[sizeof(termux_prefix_obfs)/sizeof(char)] = {0};
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+ int termux_prefix_len = sizeof(termux_prefix_obfs)/sizeof(char) - 1;
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+
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+ // Decode.
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+ for (int i=0; i<termux_prefix_len; i++) {
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+ termux_prefix[termux_prefix_len - 1 - i] = termux_prefix_obfs[i];
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+ }
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+
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+ // Stub to verify that we can access @TERMUX_PREFIX@ and it is a directory.
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+ // If checks failed, then we probably running in incompatible environment.
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+ // In this case warn user and exit with status 1.
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+ if (access(termux_prefix, R_OK) != 0) {
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+ fprintf(stderr, "Warning: aborting execution because %s is not accessible.\n", termux_prefix);
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+ fprintf(stderr, "Please make sure that program is compiled with correct prefix.\n");
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+ return 1;
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+ }
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+
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/* Catch early SIGINTs. */
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code = setjmp_nosigs (top_level);
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if (code)
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