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Stop prepending prefix to the result of realpath(3).

Browse Source 
The path is already absolute.

Noted and reviewed by:	rstone
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D23121
This commit is contained in:
Konstantin Belousov 2020-01-11 09:08:02 +00:00
parent 727d995c7d
commit 1021c8d705
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=356630
1 changed files with 6 additions and 21 deletions
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27
libexec/rtld-elf/rtld.c
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@ -5524,7 +5524,7 @@ static int
open_binary_fd(const char *argv0, bool search_in_path,
const char **binpath_res)
{
char *abspath, *absres, *binpath, *pathenv, *pe, *res1;
char *binpath, *pathenv, *pe, *res1;
const char *res;
int fd;
@ -5569,31 +5569,16 @@ open_binary_fd(const char *argv0, bool search_in_path,
rtld_die();
}
if (res != NULL && res[0] != '/') {
abspath = getcwd(NULL, 0);
if (abspath != NULL) {
res1 = xmalloc(PATH_MAX);
if (realpath(res, res1) != NULL) {
if (res != argv0)
free(__DECONST(char *, res));
res = res1;
} else {
free(res1);
}
absres = xmalloc(strlen(abspath) +
strlen(res) + 2);
strcpy(absres, abspath);
strcat(absres, "/");
strcat(absres, res);
free(abspath);
res1 = xmalloc(PATH_MAX);
if (realpath(res, res1) != NULL) {
if (res != argv0)
free(__DECONST(char *, res));
*binpath_res = absres;
res = res1;
} else {
*binpath_res = res;
free(res1);
}
} else {
*binpath_res = res;
}
*binpath_res = res;
return (fd);
}