2 * Copyright © 2003 Felix Kuehling
3 * Copyright © 2018 Advanced Micro Devices, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
15 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
16 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
17 * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
18 * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
23 * The above copyright notice and this permission notice (including the
24 * next paragraph) shall be included in all copies or substantial portions
28 #include "u_process.h"
29 #include "detect_os.h"
35 #undef GET_PROGRAM_NAME
44 #include <mach-o/dyld.h>
47 #if defined(__linux__) && defined(HAVE_PROGRAM_INVOCATION_NAME)
49 static char *path
= NULL
;
51 static void __freeProgramPath()
60 char * arg
= strrchr(program_invocation_name
, '/');
62 /* If the / character was found this is likely a linux path or
63 * an invocation path for a 64-bit wine program.
65 * However, some programs pass command line arguments into argv[0].
66 * Strip these arguments out by using the realpath only if it was
67 * a prefix of the invocation name.
70 path
= realpath("/proc/self/exe", NULL
);
71 atexit(__freeProgramPath
);
74 if (path
&& strncmp(path
, program_invocation_name
, strlen(path
)) == 0) {
75 /* This shouldn't be null because path is a a prefix,
76 * but check it anyway since path is static. */
77 char * name
= strrchr(path
, '/');
85 /* If there was no '/' at all we likely have a windows like path from
88 arg
= strrchr(program_invocation_name
, '\\');
92 return program_invocation_name
;
94 # define GET_PROGRAM_NAME() __getProgramName()
95 #elif defined(HAVE_PROGRAM_INVOCATION_NAME)
96 # define GET_PROGRAM_NAME() program_invocation_short_name
97 #elif defined(__FreeBSD__) && (__FreeBSD__ >= 2)
98 # include <osreldate.h>
99 # if (__FreeBSD_version >= 440000)
100 # define GET_PROGRAM_NAME() getprogname()
102 #elif defined(__NetBSD__)
103 # include <sys/param.h>
104 # if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 106000100)
105 # define GET_PROGRAM_NAME() getprogname()
107 #elif defined(__DragonFly__)
108 # define GET_PROGRAM_NAME() getprogname()
109 #elif defined(__APPLE__)
110 # define GET_PROGRAM_NAME() getprogname()
111 #elif defined(ANDROID)
112 # define GET_PROGRAM_NAME() getprogname()
114 /* Solaris has getexecname() which returns the full path - return just
115 the basename to match BSD getprogname() */
121 static const char *progname
;
123 if (progname
== NULL
) {
124 const char *e
= getexecname();
126 /* Have to make a copy since getexecname can return a readonly
127 string, but basename expects to be able to modify its arg. */
130 progname
= basename(n
);
137 # define GET_PROGRAM_NAME() __getProgramName()
140 #if !defined(GET_PROGRAM_NAME)
141 # if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__UCLIBC__) || defined(ANDROID)
142 /* This is a hack. It's said to work on OpenBSD, NetBSD and GNU.
143 * Rogelio M.Serrano Jr. reported it's also working with UCLIBC. It's
144 * used as a last resort, if there is no documented facility available. */
148 extern const char *__progname
;
149 char * arg
= strrchr(__progname
, '/');
155 # define GET_PROGRAM_NAME() __getProgramName()
157 # define GET_PROGRAM_NAME() ""
158 # pragma message ( "Warning: Per application configuration won't work with your OS version." )
163 util_get_process_name(void)
165 return GET_PROGRAM_NAME();
169 util_get_process_exec_path(char* process_path
, size_t len
)
171 #if DETECT_OS_WINDOWS
172 return GetModuleFileNameA(NULL
, process_path
, len
);
173 #elif DETECT_OS_APPLE
174 uint32_t bufSize
= len
;
175 int result
= _NSGetExecutablePath(process_path
, &bufSize
);
177 return (result
== 0) ? strlen(process_path
) : 0;
181 if ((r
= readlink("/proc/self/exe", process_path
, len
)) > 0)
183 if ((r
= readlink("/proc/curproc/exe", process_path
, len
)) > 0)
185 if ((r
= readlink("/proc/curproc/file", process_path
, len
)) > 0)
190 process_path
[r
] = '\0';