Only assign the environ in the startup code when environ is NULL.
Preloaded library could have changed the environment, and unconditional assingment to the environ undoes the customization. The binaries needs to be recompiled to get the fix. Move the common code to set up environ and __progname into the helper. Note that ia64 possibly not fixed, due to it still using old csu. Reported and tested by: John Hein <jhein@symmetricom.com> Reviewed by: kan, scf Approved by: secteam (simon) MFC after: 2 weeks
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=245133
@ -61,9 +61,7 @@ _start(char **ap, void (*cleanup)(void))
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argc = *(long *)(void *)ap;
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argv = ap + 1;
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env = ap + 2 + argc;
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environ = env;
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if (argc > 0 && argv[0] != NULL)
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handle_progname(argv[0]);
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handle_argv(argc, argv, env);
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if (&_DYNAMIC != NULL)
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atexit(cleanup);
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@ -98,10 +98,7 @@ __start(int argc, char **argv, char **env, struct ps_strings *ps_strings,
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const struct Struct_Obj_Entry *obj __unused, void (*cleanup)(void))
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{
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environ = env;
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if (argc > 0 && argv[0] != NULL)
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handle_progname(argv[0]);
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handle_argv(argc, argv, env);
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if (ps_strings != (struct ps_strings *)0)
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__ps_strings = ps_strings;
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@ -87,14 +87,18 @@ handle_static_init(int argc, char **argv, char **env)
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}
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static inline void
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handle_progname(const char *v)
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handle_argv(int argc, char *argv[], char **env)
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{
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const char *s;
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__progname = v;
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for (s = __progname; *s != '\0'; s++) {
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if (*s == '/')
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__progname = s + 1;
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if (environ == NULL)
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environ = env;
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if (argc > 0 && argv[0] != NULL) {
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__progname = argv[0];
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for (s = __progname; *s != '\0'; s++) {
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if (*s == '/')
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__progname = s + 1;
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}
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}
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}
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@ -61,10 +61,7 @@ _start1(fptr cleanup, int argc, char *argv[])
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char **env;
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env = argv + argc + 1;
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environ = env;
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if (argc > 0 && argv[0] != NULL)
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handle_progname(argv[0]);
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handle_argv(argc, argv, env);
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if (&_DYNAMIC != NULL)
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atexit(cleanup);
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else
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@ -71,9 +71,7 @@ __start(char **ap,
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argc = * (long *) ap;
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argv = ap + 1;
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env = ap + 2 + argc;
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environ = env;
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if (argc > 0 && argv[0] != NULL)
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handle_progname(argv[0]);
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handle_argv(argc, argv, env);
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if (&_DYNAMIC != NULL)
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atexit(cleanup);
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@ -81,10 +81,8 @@ _start(int argc, char **argv, char **env,
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struct ps_strings *ps_strings)
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{
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environ = env;
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if (argc > 0 && argv[0] != NULL)
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handle_progname(argv[0]);
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handle_argv(argc, argv, env);
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if (ps_strings != (struct ps_strings *)0)
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__ps_strings = ps_strings;
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@ -81,10 +81,7 @@ _start(int argc, char **argv, char **env,
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struct ps_strings *ps_strings)
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{
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environ = env;
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if (argc > 0 && argv[0] != NULL)
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handle_progname(argv[0]);
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handle_argv(argc, argv, env);
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if (ps_strings != (struct ps_strings *)0)
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__ps_strings = ps_strings;
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@ -85,9 +85,7 @@ _start(char **ap, void (*cleanup)(void), struct Struct_Obj_Entry *obj __unused,
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argc = *(long *)(void *)ap;
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argv = ap + 1;
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env = ap + 2 + argc;
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environ = env;
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if (argc > 0 && argv[0] != NULL)
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handle_progname(argv[0]);
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handle_argv(argc, argv, env);
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if (&_DYNAMIC != NULL)
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atexit(cleanup);
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