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Use darling-overlay, remove previous tricks
+4
-11
+4
-11
src/startup/darling.c
+4
-11
src/startup/darling.c
···
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const char* DARLING_INIT_COMM = "darling-init";
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char *prefix;
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uid_t g_originalUid, g_originalGid;
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bool g_fixPermissions = false;
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char **g_argv, **g_envp;
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char g_workingDirectory[4096];
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···
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if (!checkPrefixDir())
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{
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setupPrefix();
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g_fixPermissions = true;
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}
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checkPrefixOwner();
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···
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opts = (char*) malloc(strlen(prefix)*2 + sizeof(LIBEXEC_PATH) + 100);
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const char* opts_fmt = "lowerdir=%s,upperdir=%s,workdir=%s.workdir,metacopy=on";
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if (linux_release() < LINUX_RELEASE(4, 19, 0))
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opts_fmt = "lowerdir=%s,upperdir=%s,workdir=%s.workdir";
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const char* opts_fmt = "lowerdir=%s,upperdir=%s,workdir=%s.workdir,nfs_export=on,uid=%d";
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sprintf(opts, opts_fmt, LIBEXEC_PATH, prefix, prefix);
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sprintf(opts, opts_fmt, LIBEXEC_PATH, prefix, prefix, g_originalUid);
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// Mount overlay onto our prefix
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if (mount("overlay", prefix, "overlay", 0, opts) != 0)
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if (mount("darling-overlay", prefix, "darling-overlay", 0, opts) != 0)
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{
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fprintf(stderr, "Cannot mount overlay: %s\n", strerror(errno));
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exit(1);
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}
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free(opts);
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// This is executed once at prefix creation
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if (g_fixPermissions)
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fixDirectoryPermissions(prefix);
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snprintf(putOld, sizeof(putOld), "%s/proc", prefix);
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···
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"/usr/local/share",
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"/private",
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"/private/var",
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"/private/var/log",
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"/private/var/db",
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"/var",
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"/var/run",