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| author | Jeremy Allison <jra@samba.org> | 2011-06-01 16:40:05 -0700 |
|---|---|---|
| committer | Jeremy Allison <jra@samba.org> | 2011-06-02 02:51:06 +0200 |
| commit | e98fb2f2b9542de97dee3f1a3e077d5306ec27b1 (patch) | |
| tree | 22cecf621efb73dc7f5524a1e00ac5dd07949037 | |
| parent | 388bba05cf2bf3674831409d781a65c1f90292fa (diff) | |
| download | samba-e98fb2f2b9542de97dee3f1a3e077d5306ec27b1.tar.gz samba-e98fb2f2b9542de97dee3f1a3e077d5306ec27b1.tar.bz2 samba-e98fb2f2b9542de97dee3f1a3e077d5306ec27b1.zip | |
Remove another PATH_MAX.
Autobuild-User: Jeremy Allison <jra@samba.org>
Autobuild-Date: Thu Jun 2 02:51:06 CEST 2011 on sn-devel-104
| -rw-r--r-- | source3/libads/kerberos.c | 39 |
1 files changed, 27 insertions, 12 deletions
diff --git a/source3/libads/kerberos.c b/source3/libads/kerberos.c index 0b62ebf4e4..48a832e1a9 100644 --- a/source3/libads/kerberos.c +++ b/source3/libads/kerberos.c @@ -958,22 +958,37 @@ bool create_local_private_krb5_conf_for_domain(const char *realm, /* Insanity, sheer insanity..... */ if (strequal(realm, lp_realm())) { - char linkpath[PATH_MAX+1]; - int lret; - - lret = readlink(SYSTEM_KRB5_CONF_PATH, linkpath, sizeof(linkpath)-1); - if (lret != -1) { - linkpath[lret] = '\0'; - } - - if (lret != -1 || strcmp(linkpath, fname) == 0) { - /* Symlink already exists. */ - goto done; + SMB_STRUCT_STAT sbuf; + + if (sys_lstat(SYSTEM_KRB5_CONF_PATH, &sbuf, false) == 0) { + if (S_ISLNK(sbuf.st_ex_mode) && sbuf.st_ex_size) { + int lret; + size_t alloc_size = sbuf.st_ex_size + 1; + char *linkpath = TALLOC_ARRAY(talloc_tos(), char, + alloc_size); + if (!linkpath) { + goto done; + } + lret = readlink(SYSTEM_KRB5_CONF_PATH, linkpath, + alloc_size - 1); + if (lret == -1) { + TALLOC_FREE(linkpath); + goto done; + } + linkpath[lret] = '\0'; + + if (strcmp(linkpath, fname) == 0) { + /* Symlink already exists. */ + TALLOC_FREE(linkpath); + goto done; + } + TALLOC_FREE(linkpath); + } } /* Try and replace with a symlink. */ if (symlink(fname, SYSTEM_KRB5_CONF_PATH) == -1) { - const char *newpath = SYSTEM_KRB5_CONF_PATH ## ".saved"; + const char *newpath = SYSTEM_KRB5_CONF_PATH ".saved"; if (errno != EEXIST) { DEBUG(0,("create_local_private_krb5_conf_for_domain: symlink " "of %s to %s failed. Errno %s\n", |