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Diffstat (limited to 'fedora/glibc_post_upgrade.c')
-rw-r--r--fedora/glibc_post_upgrade.c340
1 files changed, 0 insertions, 340 deletions
diff --git a/fedora/glibc_post_upgrade.c b/fedora/glibc_post_upgrade.c
deleted file mode 100644
index cde931bde3..0000000000
--- a/fedora/glibc_post_upgrade.c
+++ /dev/null
@@ -1,340 +0,0 @@
-#if defined __sparc__ && defined __arch64__
-register void *__thread_self __asm ("g7");
-#endif
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <stdio.h>
-#include <errno.h>
-#include <unistd.h>
-#include <sys/time.h>
-#include <dirent.h>
-#include <stddef.h>
-#include <fcntl.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <elf.h>
-
-#define verbose_exec(failcode, path...) \
- do \
- { \
- char *const arr[] = { path, NULL }; \
- vexec (failcode, arr); \
- } while (0)
-
-__attribute__((noinline)) void vexec (int failcode, char *const path[]);
-__attribute__((noinline)) void says (const char *str);
-__attribute__((noinline)) void sayn (long num);
-__attribute__((noinline)) void message (char *const path[]);
-__attribute__((noinline)) int check_elf (const char *name);
-
-int
-main (void)
-{
- char initpath[256];
-
- char buffer[4096];
- struct pref {
- char *p;
- int len;
- } prefix[] = { { "libc-", 5 }, { "libm-", 5 },
- { "librt-", 6 }, { "libpthread-", 11 },
- { "librtkaio-", 10 }, { "libthread_db-", 13 } };
- int i, j, fd;
- off_t base;
- ssize_t ret;
-#ifdef __i386__
- const char *remove_dirs[] = { "/lib/tls", "/lib/i686", "/lib/tls/i486", "/lib/tls/i586", "/lib/tls/i686" };
-#else
-#ifndef LIBTLS
-#define LIBTLS "/lib/tls"
-#endif
- const char *remove_dirs[] = { LIBTLS };
-#endif
- for (j = 0; j < sizeof (remove_dirs) / sizeof (remove_dirs[0]); ++j)
- {
- size_t rmlen = strlen (remove_dirs[j]);
- fd = open (remove_dirs[j], O_RDONLY);
- if (fd >= 0
- && (ret = getdirentries (fd, buffer, sizeof (buffer), &base))
- >= (ssize_t) offsetof (struct dirent, d_name))
- {
- for (base = 0; base + offsetof (struct dirent, d_name) < ret; )
- {
- struct dirent *d = (struct dirent *) (buffer + base);
-
- for (i = 0; i < sizeof (prefix) / sizeof (prefix[0]); i++)
- if (! strncmp (d->d_name, prefix[i].p, prefix[i].len))
- {
- char *p = d->d_name + prefix[i].len;
-
- while (*p == '.' || (*p >= '0' && *p <= '9')) p++;
- if (p[0] == 's' && p[1] == 'o' && p[2] == '\0'
- && p + 3 - d->d_name
- < sizeof (initpath) - rmlen - 1)
- {
- memcpy (initpath, remove_dirs[j], rmlen);
- initpath[rmlen] = '/';
- strcpy (initpath + rmlen + 1, d->d_name);
- unlink (initpath);
- break;
- }
- }
- base += d->d_reclen;
- }
- close (fd);
- }
- }
-
- int ldsocfd = open (LD_SO_CONF, O_RDONLY);
- struct stat ldsocst;
- if (ldsocfd >= 0 && fstat (ldsocfd, &ldsocst) >= 0)
- {
- char p[ldsocst.st_size + 1];
- if (read (ldsocfd, p, ldsocst.st_size) == ldsocst.st_size)
- {
- p[ldsocst.st_size] = '\0';
- if (strstr (p, "include ld.so.conf.d/*.conf") == NULL)
- {
- close (ldsocfd);
- ldsocfd = open (LD_SO_CONF, O_WRONLY | O_TRUNC);
- if (ldsocfd >= 0)
- {
- size_t slen = strlen ("include ld.so.conf.d/*.conf\n");
- if (write (ldsocfd, "include ld.so.conf.d/*.conf\n", slen)
- != slen
- || write (ldsocfd, p, ldsocst.st_size) != ldsocst.st_size)
- _exit (109);
- }
- }
- }
- if (ldsocfd >= 0)
- close (ldsocfd);
- }
-
- /* If installing bi-arch glibc, rpm sometimes doesn't unpack all files
- before running one of the lib's %post scriptlet. /sbin/ldconfig will
- then be run by the other arch's %post. */
- if (! access ("/sbin/ldconfig", X_OK))
- verbose_exec (110, "/sbin/ldconfig", "/sbin/ldconfig");
-
- if (! utimes (GCONV_MODULES_DIR "/gconv-modules.cache", NULL))
- {
-#ifndef ICONVCONFIG
-#define ICONVCONFIG "/usr/sbin/iconvconfig"
-#endif
- verbose_exec (113, ICONVCONFIG, "/usr/sbin/iconvconfig",
- "-o", GCONV_MODULES_DIR"/gconv-modules.cache",
- "--nostdlib", GCONV_MODULES_DIR);
- }
-
- /* Check if telinit is available and the init fifo as well. */
- if (access ("/sbin/telinit", X_OK) || access ("/dev/initctl", F_OK))
- _exit (0);
- /* Check if we are not inside of some chroot, because we'd just
- timeout and leave /etc/initrunlvl. */
- if (readlink ("/proc/1/exe", initpath, 256) <= 0 ||
- readlink ("/proc/1/root", initpath, 256) <= 0)
- _exit (0);
-
- if (check_elf ("/proc/1/exe"))
- verbose_exec (116, "/sbin/telinit", "/sbin/telinit", "u");
-
- /* Check if we can safely condrestart sshd. */
- if (access ("/sbin/service", X_OK) == 0
- && access ("/usr/sbin/sshd", X_OK) == 0
- && access ("/bin/bash", X_OK) == 0)
- {
- if (check_elf ("/usr/sbin/sshd"))
- verbose_exec (-121, "/sbin/service", "/sbin/service", "sshd", "condrestart");
- }
-
- _exit(0);
-}
-
-#ifndef NO_SIZE_OPTIMIZATION
-int __libc_multiple_threads __attribute__((nocommon));
-int __libc_enable_asynccancel (void) { return 0; }
-void __libc_disable_asynccancel (int x) { }
-void __libc_csu_init (void) { }
-void __libc_csu_fini (void) { }
-pid_t __fork (void) { return -1; }
-char thr_buf[65536];
-
-# ifndef __powerpc__
-int
-__libc_start_main (int (*main) (void), int argc, char **argv,
- void (*init) (void), void (*fini) (void),
- void (*rtld_fini) (void), void * stack_end)
-# else
-struct startup_info
-{
- void *sda_base;
- int (*main) (int, char **, char **, void *);
- int (*init) (int, char **, char **, void *);
- void (*fini) (void);
-};
-
-int
-__libc_start_main (int argc, char **ubp_av, char **ubp_ev,
- void *auxvec, void (*rtld_fini) (void),
- struct startup_info *stinfo,
- char **stack_on_entry)
-# endif
-{
-#if defined __ia64__ || defined __powerpc64__
- register void *r13 __asm ("r13") = thr_buf + 32768;
- __asm ("" : : "r" (r13));
-#elif defined __sparc__
- register void *g6 __asm ("g6") = thr_buf + 32768;
-# ifdef __arch64__
- __thread_self = thr_buf + 32768;
-# else
- register void *__thread_self __asm ("g7") = thr_buf + 32768;
-# endif
- __asm ("" : : "r" (g6), "r" (__thread_self));
-#elif defined __s390__ && !defined __s390x__
- __asm ("sar %%a0,%0" : : "d" (thr_buf + 32768));
-#elif defined __s390x__
- __asm ("sar %%a1,%0; srlg 0,%0,32; sar %%a0,0" : : "d" (thr_buf + 32768) : "0");
-#elif defined __powerpc__ && !defined __powerpc64__
- register void *r2 __asm ("r2") = thr_buf + 32768;
- __asm ("" : : "r" (r2));
-#endif
- main();
- return 0;
-}
-#endif
-
-void
-vexec (int failcode, char *const path[])
-{
- pid_t pid;
- int status, save_errno;
- int devnull = 0;
-
- if (failcode < 0)
- {
- devnull = 1;
- failcode = -failcode;
- }
- pid = vfork ();
- if (pid == 0)
- {
- int fd;
- if (devnull && (fd = open ("/dev/null", O_WRONLY)) >= 0)
- {
- dup2 (fd, 1);
- dup2 (fd, 2);
- close (fd);
- }
- execv (path[0], path + 1);
- save_errno = errno;
- message (path);
- says (" exec failed with errno ");
- sayn (save_errno);
- says ("\n");
- _exit (failcode);
- }
- else if (pid < 0)
- {
- save_errno = errno;
- message (path);
- says (" fork failed with errno ");
- sayn (save_errno);
- says ("\n");
- _exit (failcode + 1);
- }
- if (waitpid (0, &status, 0) != pid || !WIFEXITED (status))
- {
- message (path);
- says (" child terminated abnormally\n");
- _exit (failcode + 2);
- }
- if (WEXITSTATUS (status))
- {
- message (path);
- says (" child exited with exit code ");
- sayn (WEXITSTATUS (status));
- says ("\n");
- _exit (WEXITSTATUS (status));
- }
-}
-
-void
-says (const char *str)
-{
- write (1, str, strlen (str));
-}
-
-void
-sayn (long num)
-{
- char string[sizeof (long) * 3 + 1];
- char *p = string + sizeof (string) - 1;
-
- *p = '\0';
- if (num == 0)
- *--p = '0';
- else
- while (num)
- {
- *--p = '0' + num % 10;
- num = num / 10;
- }
-
- says (p);
-}
-
-void
-message (char *const path[])
-{
- says ("/usr/sbin/glibc_post_upgrade: While trying to execute ");
- says (path[0]);
-}
-
-int
-check_elf (const char *name)
-{
- /* Play safe, if we can't open or read, assume it might be
- ELF for the current arch. */
- int ret = 1;
- int fd = open (name, O_RDONLY);
- if (fd >= 0)
- {
- Elf32_Ehdr ehdr;
- if (read (fd, &ehdr, offsetof (Elf32_Ehdr, e_version))
- == offsetof (Elf32_Ehdr, e_version))
- {
- ret = 0;
- if (ehdr.e_ident[EI_CLASS]
- == (sizeof (long) == 8 ? ELFCLASS64 : ELFCLASS32))
- {
-#if defined __i386__
- ret = ehdr.e_machine == EM_386;
-#elif defined __x86_64__
- ret = ehdr.e_machine == EM_X86_64;
-#elif defined __ia64__
- ret = ehdr.e_machine == EM_IA_64;
-#elif defined __powerpc64__
- ret = ehdr.e_machine == EM_PPC64;
-#elif defined __powerpc__
- ret = ehdr.e_machine == EM_PPC;
-#elif defined __s390__ || defined __s390x__
- ret = ehdr.e_machine == EM_S390;
-#elif defined __x86_64__
- ret = ehdr.e_machine == EM_X86_64;
-#elif defined __sparc__
- if (sizeof (long) == 8)
- ret = ehdr.e_machine == EM_SPARCV9;
- else
- ret = (ehdr.e_machine == EM_SPARC
- || ehdr.e_machine == EM_SPARC32PLUS);
-#else
- ret = 1;
-#endif
- }
- }
- close (fd);
- }
- return ret;
-}
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