#include "CFInternal.h"
#include "CFPriv.h"
#include <stdlib.h>
#include <sys/stat.h>
#include <string.h>
#include <unistd.h>
#include <pwd.h>
#include <crt_externs.h>
#include <mach-o/dyld.h>
#if DEPLOYMENT_TARGET_MACOSX
#define kCFPlatformInterfaceStringEncoding kCFStringEncodingUTF8
#else
#define kCFPlatformInterfaceStringEncoding CFStringGetSystemEncoding()
#endif
static CFStringRef _CFUserName(void);
#if DEPLOYMENT_TARGET_MACOSX
char **_CFArgv(void) { return *_NSGetArgv(); }
int _CFArgc(void) { return *_NSGetArgc(); }
#endif
__private_extern__ Boolean _CFGetCurrentDirectory(char *path, int maxlen) {
#if 0 || 0
DWORD len = GetCurrentDirectoryA(maxlen, path);
return ((0 != len) && (maxlen > 0) && (len + 1 <= (DWORD)maxlen));
#else
return getcwd(path, maxlen) != NULL;
#endif
}
static Boolean __CFIsCFM = false;
__private_extern__ Boolean _CFIsCFM(void) {
return __CFIsCFM;
}
#if 0 || 0
#define PATH_SEP '\\'
#else
#define PATH_SEP '/'
#endif
#if !defined(__WIN32__)
#define PATH_LIST_SEP ':'
static char *_CFSearchForNameInPath(const char *name, char *path) {
struct stat statbuf;
char nname[strlen(name) + strlen(path) + 2];
int no_hang_fd = open("/dev/autofs_nowait", 0);
for (;;) {
char *p = (char *)strchr(path, PATH_LIST_SEP);
if (NULL != p) {
*p = '\0';
}
nname[0] = '\0';
strlcat(nname, path, sizeof(nname));
strlcat(nname, "/", sizeof(nname));
strlcat(nname, name, sizeof(nname));
if (0 == stat(nname, &statbuf) && (statbuf.st_mode & S_IFMT) == S_IFREG) {
if (p != NULL) {
*p = PATH_LIST_SEP;
}
close(no_hang_fd);
return strdup(nname);
}
if (NULL == p) {
break;
}
*p = PATH_LIST_SEP;
path = p + 1;
}
close(no_hang_fd);
return NULL;
}
#endif
static const char *__CFProcessPath = NULL;
static const char *__CFprogname = NULL;
const char **_CFGetProgname(void) {
if (!__CFprogname)
_CFProcessPath(); return &__CFprogname;
}
const char **_CFGetProcessPath(void) {
if (!__CFProcessPath)
_CFProcessPath(); return &__CFProcessPath;
}
const char *_CFProcessPath(void) {
if (__CFProcessPath) return __CFProcessPath;
char *thePath = NULL;
#if DEPLOYMENT_TARGET_MACOSX
if (!issetugid()) {
thePath = getenv("CFProcessPath");
if (thePath) {
int len = strlen(thePath);
__CFProcessPath = (const char *)CFAllocatorAllocate(kCFAllocatorSystemDefault, len+1, 0);
if (__CFOASafe) __CFSetLastAllocationEventName((void *)__CFProcessPath, "CFUtilities (process-path)");
memmove((char *)__CFProcessPath, thePath, len + 1);
}
}
#endif
#if DEPLOYMENT_TARGET_MACOSX
int execIndex = 0;
#endif
if (!__CFProcessPath && NULL != (*_NSGetArgv())[execIndex]) {
int no_hang_fd = open("/dev/autofs_nowait", 0);
char buf[CFMaxPathSize] = {0};
struct stat statbuf;
const char *arg0 = (*_NSGetArgv())[execIndex];
if (arg0[0] == '/') {
thePath = (char *)arg0;
} else {
char *theList = getenv("PATH");
if (NULL != theList && NULL == strrchr(arg0, '/')) {
thePath = _CFSearchForNameInPath(arg0, theList);
if (thePath) {
if (('/' != thePath[0]) && _CFGetCurrentDirectory(buf, CFMaxPathSize)) {
strlcat(buf, "/", sizeof(buf));
strlcat(buf, thePath, sizeof(buf));
if (0 == stat(buf, &statbuf)) {
free(thePath);
thePath = buf;
}
}
if (thePath != buf) {
strlcpy(buf, thePath, sizeof(buf));
free((void *)thePath);
thePath = buf;
}
}
}
}
if (!thePath && _CFGetCurrentDirectory(buf, CFMaxPathSize)) {
if (buf[strlen(buf)-1] != '/') {
strlcat(buf, "/", sizeof(buf));
}
strlcat(buf, arg0, CFMaxPathSize);
if (0 == stat(buf, &statbuf)) {
thePath = buf;
}
}
if (thePath) {
CFIndex srcIndex = 0, dstIndex = 0;
CFIndex len = strlen(thePath);
for (srcIndex=0; srcIndex<len; srcIndex++) {
thePath[dstIndex] = thePath[srcIndex];
dstIndex++;
while (srcIndex < len-1 && thePath[srcIndex] == '/' && (thePath[srcIndex+1] == '/' || (thePath[srcIndex+1] == '.' && srcIndex < len-2 && thePath[srcIndex+2] == '/'))) srcIndex += (thePath[srcIndex+1] == '/' ? 1 : 2);
}
thePath[dstIndex] = 0;
}
if (!thePath) {
thePath = (*_NSGetArgv())[execIndex];
}
if (thePath) {
int len = strlen(thePath);
__CFProcessPath = (const char *)CFAllocatorAllocate(kCFAllocatorSystemDefault, len + 1, 0);
if (__CFOASafe) __CFSetLastAllocationEventName((void *)__CFProcessPath, "CFUtilities (process-path)");
memmove((char *)__CFProcessPath, thePath, len + 1);
}
if (__CFProcessPath) {
const char *p = 0;
int i;
for (i = 0; __CFProcessPath[i] != 0; i++){
if (__CFProcessPath[i] == PATH_SEP)
p = __CFProcessPath + i;
}
if (p != 0)
__CFprogname = p + 1;
else
__CFprogname = __CFProcessPath;
}
close(no_hang_fd);
}
if (!__CFProcessPath) {
__CFProcessPath = "";
__CFprogname = __CFProcessPath;
} else {
const char *p = 0;
int i;
for (i = 0; __CFProcessPath[i] != 0; i++){
if (__CFProcessPath[i] == PATH_SEP)
p = __CFProcessPath + i;
}
if (p != 0)
__CFprogname = p + 1;
else
__CFprogname = __CFProcessPath;
}
return __CFProcessPath;
}
__private_extern__ CFStringRef _CFProcessNameString(void) {
static CFStringRef __CFProcessNameString = NULL;
if (!__CFProcessNameString) {
const char *processName = *_CFGetProgname();
if (!processName) processName = "";
__CFProcessNameString = CFStringCreateWithCString(__CFGetDefaultAllocator(), processName, kCFPlatformInterfaceStringEncoding);
}
return __CFProcessNameString;
}
static CFStringRef __CFUserName = NULL;
#if (DEPLOYMENT_TARGET_MACOSX) || defined(__svr4__) || defined(__hpux__) || DEPLOYMENT_TARGET_LINUX || DEPLOYMENT_TARGET_FREEBSD
static CFURLRef __CFHomeDirectory = NULL;
static uint32_t __CFEUID = -1;
static uint32_t __CFUID = -1;
static CFURLRef _CFCopyHomeDirURLForUser(struct passwd *upwd) {
CFURLRef home = NULL;
if (!issetugid()) {
const char *path = getenv("CFFIXED_USER_HOME");
if (path) {
home = CFURLCreateFromFileSystemRepresentation(kCFAllocatorSystemDefault, (uint8_t *)path, strlen(path), true);
}
}
if (!home) {
if (upwd && upwd->pw_dir) {
home = CFURLCreateFromFileSystemRepresentation(kCFAllocatorSystemDefault, (uint8_t *)upwd->pw_dir, strlen(upwd->pw_dir), true);
}
}
return home;
}
static void _CFUpdateUserInfo(void) {
struct passwd *upwd;
__CFEUID = geteuid();
__CFUID = getuid();
if (__CFHomeDirectory) CFRelease(__CFHomeDirectory);
__CFHomeDirectory = NULL;
if (__CFUserName) CFRelease(__CFUserName);
__CFUserName = NULL;
upwd = getpwuid(__CFEUID ? __CFEUID : __CFUID);
__CFHomeDirectory = _CFCopyHomeDirURLForUser(upwd);
if (!__CFHomeDirectory) {
const char *cpath = getenv("HOME");
if (cpath) {
__CFHomeDirectory = CFURLCreateFromFileSystemRepresentation(kCFAllocatorSystemDefault, (uint8_t *)cpath, strlen(cpath), true);
}
}
if (upwd && upwd->pw_name) {
__CFUserName = CFStringCreateWithCString(kCFAllocatorSystemDefault, upwd->pw_name, kCFPlatformInterfaceStringEncoding);
} else {
const char *cuser = getenv("USER");
if (cuser)
__CFUserName = CFStringCreateWithCString(kCFAllocatorSystemDefault, cuser, kCFPlatformInterfaceStringEncoding);
}
}
#endif
static CFURLRef _CFCreateHomeDirectoryURLForUser(CFStringRef uName) {
#if (DEPLOYMENT_TARGET_MACOSX) || defined(__svr4__) || defined(__hpux__) || DEPLOYMENT_TARGET_LINUX || DEPLOYMENT_TARGET_FREEBSD
if (!uName) {
if (geteuid() != __CFEUID || getuid() != __CFUID || !__CFHomeDirectory)
_CFUpdateUserInfo();
if (__CFHomeDirectory) CFRetain(__CFHomeDirectory);
return __CFHomeDirectory;
} else {
struct passwd *upwd = NULL;
char buf[128], *user;
SInt32 len = CFStringGetLength(uName), size = CFStringGetMaximumSizeForEncoding(len, kCFPlatformInterfaceStringEncoding);
CFIndex usedSize;
if (size < 127) {
user = buf;
} else {
user = CFAllocatorAllocate(kCFAllocatorSystemDefault, size+1, 0);
if (__CFOASafe) __CFSetLastAllocationEventName(user, "CFUtilities (temp)");
}
if (CFStringGetBytes(uName, CFRangeMake(0, len), kCFPlatformInterfaceStringEncoding, 0, true, (uint8_t *)user, size, &usedSize) == len) {
user[usedSize] = '\0';
upwd = getpwnam(user);
}
if (buf != user) {
CFAllocatorDeallocate(kCFAllocatorSystemDefault, user);
}
return _CFCopyHomeDirURLForUser(upwd);
}
#elif defined(__WIN32__)
CFStringRef user = !uName ? _CFUserName() : uName;
CFURLRef home = NULL;
if (!uName || CFEqual(user, _CFUserName())) {
const char *cpath = getenv("HOMEPATH");
const char *cdrive = getenv("HOMEDRIVE");
if (cdrive && cpath) {
char fullPath[CFMaxPathSize];
CFStringRef str;
strlcpy(fullPath, cdrive, sizeof(fullPath));
strlcat(fullPath, cpath, sizeof(fullPath));
str = CFStringCreateWithCString(kCFAllocatorSystemDefault, fullPath, kCFPlatformInterfaceStringEncoding);
home = CFURLCreateWithFileSystemPath(kCFAllocatorSystemDefault, str, kCFURLWindowsPathStyle, true);
CFRelease(str);
}
}
if (home == NULL) {
UniChar pathChars[MAX_PATH];
if (S_OK == SHGetFolderPath(NULL, CSIDL_PROFILE, NULL, SHGFP_TYPE_CURRENT, (LPWSTR) pathChars)) {
UniChar* p = pathChars;
CFIndex len = 0;
CFStringRef str;
while (*p++ != 0)
++len;
str = CFStringCreateWithCharacters(kCFAllocatorSystemDefault, pathChars, len);
home = CFURLCreateWithFileSystemPath(kCFAllocatorSystemDefault, str, kCFURLWindowsPathStyle, true);
CFRelease(str);
} else {
UniChar currDir[MAX_PATH];
DWORD dwChars = GetCurrentDirectory(MAX_PATH + 1, (LPWSTR)currDir);
if (dwChars > 0) {
UniChar* p = currDir;
CFIndex len = 0;
CFStringRef str;
while (*p++ != 0)
++len;
str = CFStringCreateWithCharacters(kCFAllocatorSystemDefault, currDir, len);
home = CFURLCreateWithFileSystemPath(kCFAllocatorSystemDefault, str, kCFURLWindowsPathStyle, true);
}
}
}
if (home) {
CFStringRef str = CFURLCopyFileSystemPath(home, kCFURLWindowsPathStyle);
if (str && CFStringGetLength(str) == 0) {
CFRelease(home);
home=NULL;
}
if (str) CFRelease(str);
}
return home;
#else
#error Dont know how to compute users home directories on this platform
#endif
}
static CFStringRef _CFUserName(void) {
#if (DEPLOYMENT_TARGET_MACOSX) || defined(__svr4__) || defined(__hpux__) || DEPLOYMENT_TARGET_LINUX || DEPLOYMENT_TARGET_FREEBSD
if (geteuid() != __CFEUID || getuid() != __CFUID)
_CFUpdateUserInfo();
#elif defined(__WIN32__)
if (!__CFUserName) {
char username[1040];
DWORD size = 1040;
username[0] = 0;
if (GetUserNameA(username, &size)) {
__CFUserName = CFStringCreateWithCString(kCFAllocatorSystemDefault, username, kCFPlatformInterfaceStringEncoding);
} else {
const char *cname = getenv("USERNAME");
if (cname)
__CFUserName = CFStringCreateWithCString(kCFAllocatorSystemDefault, cname, kCFPlatformInterfaceStringEncoding);
}
}
#else
#error Dont know how to compute user name on this platform
#endif
if (!__CFUserName)
__CFUserName = (CFStringRef)CFRetain(CFSTR(""));
return __CFUserName;
}
__private_extern__ CFStringRef _CFGetUserName(void) {
return CFStringCreateCopy(kCFAllocatorSystemDefault, _CFUserName());
}
#define CFMaxHostNameLength 256
#define CFMaxHostNameSize (CFMaxHostNameLength+1)
__private_extern__ CFStringRef _CFStringCreateHostName(void) {
char myName[CFMaxHostNameSize];
if (0 != gethostname(myName, CFMaxHostNameSize)) myName[0] = '\0';
return CFStringCreateWithCString(kCFAllocatorSystemDefault, myName, kCFPlatformInterfaceStringEncoding);
}
CF_EXPORT CFStringRef CFGetUserName(void) {
return _CFUserName();
}
CF_EXPORT CFURLRef CFCopyHomeDirectoryURLForUser(CFStringRef uName) {
return _CFCreateHomeDirectoryURLForUser(uName);
}
#undef CFMaxHostNameLength
#undef CFMaxHostNameSize