diff options
Diffstat (limited to 'nscd')
| -rw-r--r-- | nscd/grpcache.c | 5 | ||||
| -rw-r--r-- | nscd/initgrcache.c | 6 | ||||
| -rw-r--r-- | nscd/pwdcache.c | 20 | ||||
| -rw-r--r-- | nscd/servicescache.c | 2 |
4 files changed, 27 insertions, 6 deletions
diff --git a/nscd/grpcache.c b/nscd/grpcache.c index e391dc3..c49c0e1 100644 --- a/nscd/grpcache.c +++ b/nscd/grpcache.c @@ -190,7 +190,7 @@ cache_addgr (struct database_dyn *db, int fd, request_header *req, gr_mem_len_total += gr_mem_len[gr_mem_cnt]; } - written = total = (sizeof (struct dataset) + written = total = (offsetof (struct dataset, strdata) + gr_mem_cnt * sizeof (uint32_t) + gr_name_len + gr_passwd_len + gr_mem_len_total); @@ -252,6 +252,9 @@ cache_addgr (struct database_dyn *db, int fd, request_header *req, char *key_copy = cp + key_offset; assert (key_copy == (char *) rawmemchr (cp, '\0') + 1); + assert (cp == dataset->strdata + total - offsetof (struct dataset, + strdata)); + /* Now we can determine whether on refill we have to create a new record or not. */ if (he != NULL) diff --git a/nscd/initgrcache.c b/nscd/initgrcache.c index 3355df5..c5693c6 100644 --- a/nscd/initgrcache.c +++ b/nscd/initgrcache.c @@ -246,7 +246,8 @@ addinitgroupsX (struct database_dyn *db, int fd, request_header *req, else { - written = total = sizeof (struct dataset) + start * sizeof (int32_t); + written = total = (offsetof (struct dataset, strdata) + + start * sizeof (int32_t)); /* If we refill the cache, first assume the reconrd did not change. Allocate memory on the cache since it is likely @@ -307,6 +308,9 @@ addinitgroupsX (struct database_dyn *db, int fd, request_header *req, /* Finally the user name. */ memcpy (cp, key, req->key_len); + assert (cp == dataset->strdata + total - offsetof (struct dataset, + strdata)); + /* Now we can determine whether on refill we have to create a new record or not. */ if (he != NULL) diff --git a/nscd/pwdcache.c b/nscd/pwdcache.c index 4a0cabd..782b101 100644 --- a/nscd/pwdcache.c +++ b/nscd/pwdcache.c @@ -185,7 +185,8 @@ cache_addpw (struct database_dyn *db, int fd, request_header *req, n = snprintf (buf, buf_len, "%d%c%n%s", pwd->pw_uid, '\0', &key_offset, (char *) key) + 1; - written = total = (sizeof (struct dataset) + pw_name_len + pw_passwd_len + written = total = (offsetof (struct dataset, strdata) + + pw_name_len + pw_passwd_len + pw_gecos_len + pw_dir_len + pw_shell_len); /* If we refill the cache, first assume the reconrd did not @@ -247,16 +248,28 @@ cache_addpw (struct database_dyn *db, int fd, request_header *req, char *key_copy = cp + key_offset; assert (key_copy == (char *) rawmemchr (cp, '\0') + 1); + assert (cp == dataset->strdata + total - offsetof (struct dataset, + strdata)); + /* Now we can determine whether on refill we have to create a new record or not. */ if (he != NULL) { assert (fd == -1); - if (total + n == dh->allocsize - && total - offsetof (struct dataset, resp) == dh->recsize +#if 0 + if (dataset->head.datasize == dh->allocsize + && dataset->head.recsize == dh->recsize && memcmp (&dataset->resp, dh->data, dh->allocsize - offsetof (struct dataset, resp)) == 0) +#else + if (dataset->head.allocsize != dh->allocsize) + goto nnn; + if (dataset->head.recsize != dh->recsize) + goto nnn; + if(memcmp (&dataset->resp, dh->data, + dh->allocsize - offsetof (struct dataset, resp)) == 0) +#endif { /* The data has not changed. We will just bump the timeout value. Note that the new record has been @@ -266,6 +279,7 @@ cache_addpw (struct database_dyn *db, int fd, request_header *req, } else { + nnn:; /* We have to create a new record. Just allocate appropriate memory and copy it. */ struct dataset *newp diff --git a/nscd/servicescache.c b/nscd/servicescache.c index c952fa1..44f12a3 100644 --- a/nscd/servicescache.c +++ b/nscd/servicescache.c @@ -173,7 +173,7 @@ cache_addserv (struct database_dyn *db, int fd, request_header *req, total += s_aliases_len[cnt]; } - total += (sizeof (struct dataset) + total += (offsetof (struct dataset, strdata) + s_name_len + s_proto_len + s_aliases_cnt * sizeof (uint32_t)); |