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Commit 2ae567c8 authored by Elliott Hughes's avatar Elliott Hughes Committed by Android Git Automerger
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am 1a5bc28f: am a0e4d164: Merge "Declare (and simplify) uid_from_user."

* commit '1a5bc28f':
  Declare (and simplify) uid_from_user.
parents f767e9c9 1a5bc28f
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+1 −1
Original line number Diff line number Diff line
@@ -96,7 +96,7 @@ LOCAL_C_INCLUDES := bionic/libc/bionic

LOCAL_CFLAGS += \
    -Wno-unused-parameter \
    -DSUPPORT_DOT \
    -include bsd-compatibility.h \

LOCAL_SHARED_LIBRARIES := \
	libcutils \
+38 −0
Original line number Diff line number Diff line
/*
 * Copyright (C) 2014, The Android Open Source Project
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/types.h>

/* We want chown to support user.group as well as user:group. */
#define SUPPORT_DOT

__BEGIN_DECLS

extern int uid_from_user(const char* name, uid_t* uid);

__END_DECLS
+2 −11
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@@ -26,23 +26,14 @@
 * SUCH DAMAGE.
 */

#include <limits.h>
#include <pwd.h>
#include <stdlib.h>
#include <sys/types.h>

int uid_from_user(const char* name, uid_t* uid) {
  struct passwd* pw = getpwnam(name);
  if (pw != NULL) {
    *uid = pw->pw_uid;
    return 0;
  }
  // Try to parse as an integer.
  char* end_ptr;
  unsigned long number = strtoul(name, &end_ptr, 0);
  if (end_ptr == name || *end_ptr != '\0' || number > INT_MAX) {
  if (pw == NULL) {
    return -1;
  }
  *uid = (int) number;
  *uid = pw->pw_uid;
  return 0;
}