76 lines
2.4 KiB
Diff
76 lines
2.4 KiB
Diff
diff -u -r /home/fornwall/lib/android-ndk/sysroot/usr/include/pwd.h ./usr/include/pwd.h
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--- /home/fornwall/lib/android-ndk/sysroot/usr/include/pwd.h 2017-06-20 17:41:56.000000000 +0200
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+++ ./usr/include/pwd.h 2017-06-26 11:45:26.036064547 +0200
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@@ -63,6 +63,8 @@
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#include <sys/cdefs.h>
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#include <sys/types.h>
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+#include <stdlib.h> /* For realpath() */
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+
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__BEGIN_DECLS
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struct passwd {
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@@ -89,7 +91,6 @@
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struct passwd* getpwent(void) __INTRODUCED_IN(26);
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void setpwent(void) __INTRODUCED_IN(26);
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-void endpwent(void) __INTRODUCED_IN(26);
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#endif /* __ANDROID_API__ >= 26 */
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@@ -99,6 +100,54 @@
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int getpwuid_r(uid_t, struct passwd*, char*, size_t, struct passwd**) __INTRODUCED_IN(12);
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#endif /* __ANDROID_API__ >= 12 */
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+int access(const char* __path, int __mode);
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+
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+static void android_setup_pwd(struct passwd* pw) {
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+ static char realpath_buffer[4096/*PATH_MAX*/];
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+ char* result = realpath("/data/data/com.termux/files/home/.termux/shell", realpath_buffer);
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+ if (result == NULL || access(realpath_buffer, /*X_OK*/1) == -1) {
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+ char const* bash_path = "/data/data/com.termux/files/usr/bin/bash";
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+ if (access(bash_path, /*X_OK*/1) != -1) pw->pw_shell = (char*) bash_path;
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+ else pw->pw_shell = "/data/data/com.termux/files/usr/bin/sh";
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+ } else {
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+ pw->pw_shell = realpath_buffer;
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+ }
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+ pw->pw_dir = "/data/data/com.termux/files/home";
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+ pw->pw_passwd = "*";
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+#ifdef __LP64__
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+ pw->pw_gecos = ""; /* Avoid NULL field. */
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+#endif
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+}
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+
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+static struct passwd* android_polyfill_getpwuid(uid_t t) {
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+ struct passwd* pw = getpwuid(t);
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+ if (pw == NULL) return NULL;
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+ android_setup_pwd(pw);
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+ return pw;
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+}
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+
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+static struct passwd* android_polyfill_getpwnam(const char* name) {
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+ struct passwd* pw = getpwnam(name);
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+ if (pw == NULL) return NULL;
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+ android_setup_pwd(pw);
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+ return pw;
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+}
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+
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+static int android_polyfill_getpwuid_r(uid_t uid,
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+ struct passwd *pwd,
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+ char *buffer,
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+ size_t bufsize,
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+ struct passwd **result) {
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+ int ret = getpwuid_r(uid, pwd, buffer, bufsize, result);
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+ if (ret != 0) return ret;
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+ android_setup_pwd(pwd);
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+ return 0;
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+}
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+
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+#define getpwnam android_polyfill_getpwnam
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+#define getpwuid android_polyfill_getpwuid
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+#define getpwuid_r android_polyfill_getpwuid_r
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+static void endpwent(void) { /* Do nothing. */ }
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__END_DECLS
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