diff options
author | Dr. Stephen Henson <steve@openssl.org> | 2004-12-05 01:03:15 +0000 |
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committer | Dr. Stephen Henson <steve@openssl.org> | 2004-12-05 01:03:15 +0000 |
commit | a0e7c8eede26b29b09057f48b8e51f46f8811ddd (patch) | |
tree | 2b50575b4e9e608b61cb74246915625bd99b85d8 /crypto/objects | |
parent | a8e00b17ce840c58787e45411fa2ac4d6b1fb10c (diff) | |
download | openssl-a0e7c8eede26b29b09057f48b8e51f46f8811ddd.tar.gz |
Add lots of checks for memory allocation failure, error codes to indicate
failure and freeing up memory if a failure occurs.
PR:620
Diffstat (limited to 'crypto/objects')
-rw-r--r-- | crypto/objects/o_names.c | 7 | ||||
-rw-r--r-- | crypto/objects/obj_dat.c | 12 | ||||
-rw-r--r-- | crypto/objects/obj_err.c | 4 | ||||
-rw-r--r-- | crypto/objects/objects.h | 2 |
4 files changed, 18 insertions, 7 deletions
diff --git a/crypto/objects/o_names.c b/crypto/objects/o_names.c index b4453b4a98..28c9370ca3 100644 --- a/crypto/objects/o_names.c +++ b/crypto/objects/o_names.c @@ -2,6 +2,7 @@ #include <stdlib.h> #include <string.h> +#include <openssl/err.h> #include <openssl/lhash.h> #include <openssl/objects.h> #include <openssl/safestack.h> @@ -80,7 +81,11 @@ int OBJ_NAME_new_index(unsigned long (*hash_func)(const char *), MemCheck_off(); name_funcs = OPENSSL_malloc(sizeof(NAME_FUNCS)); MemCheck_on(); - if (!name_funcs) return(0); + if (!name_funcs) + { + OBJerr(OBJ_F_OBJ_NAME_NEW_INDEX,ERR_R_MALLOC_FAILURE); + return(0); + } name_funcs->hash_func = lh_strhash; name_funcs->cmp_func = OPENSSL_strcmp; name_funcs->free_func = 0; /* NULL is often declared to diff --git a/crypto/objects/obj_dat.c b/crypto/objects/obj_dat.c index dbff4e075f..15f813a489 100644 --- a/crypto/objects/obj_dat.c +++ b/crypto/objects/obj_dat.c @@ -236,13 +236,13 @@ int OBJ_add_object(const ASN1_OBJECT *obj) if (added == NULL) if (!init_added()) return(0); if ((o=OBJ_dup(obj)) == NULL) goto err; - if (!(ao[ADDED_NID]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err; + if (!(ao[ADDED_NID]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2; if ((o->length != 0) && (obj->data != NULL)) - ao[ADDED_DATA]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)); + if (!(ao[ADDED_DATA]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2; if (o->sn != NULL) - ao[ADDED_SNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)); + if (!(ao[ADDED_SNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2; if (o->ln != NULL) - ao[ADDED_LNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)); + if (!(ao[ADDED_LNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2; for (i=ADDED_DATA; i<=ADDED_NID; i++) { @@ -260,6 +260,8 @@ int OBJ_add_object(const ASN1_OBJECT *obj) ASN1_OBJECT_FLAG_DYNAMIC_DATA); return(o->nid); +err2: + OBJerr(OBJ_F_OBJ_ADD_OBJECT,ERR_R_MALLOC_FAILURE); err: for (i=ADDED_DATA; i<=ADDED_NID; i++) if (ao[i] != NULL) OPENSSL_free(ao[i]); @@ -669,7 +671,7 @@ int OBJ_create(const char *oid, const char *sn, const char *ln) if ((buf=(unsigned char *)OPENSSL_malloc(i)) == NULL) { - OBJerr(OBJ_F_OBJ_CREATE,OBJ_R_MALLOC_FAILURE); + OBJerr(OBJ_F_OBJ_CREATE,ERR_R_MALLOC_FAILURE); return(0); } i=a2d_ASN1_OBJECT(buf,i,oid,-1); diff --git a/crypto/objects/obj_err.c b/crypto/objects/obj_err.c index 80ab6855af..2b5f43e3cc 100644 --- a/crypto/objects/obj_err.c +++ b/crypto/objects/obj_err.c @@ -1,6 +1,6 @@ /* crypto/objects/obj_err.c */ /* ==================================================================== - * Copyright (c) 1999 The OpenSSL Project. All rights reserved. + * Copyright (c) 1999-2004 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -66,8 +66,10 @@ #ifndef OPENSSL_NO_ERR static ERR_STRING_DATA OBJ_str_functs[]= { +{ERR_PACK(0,OBJ_F_OBJ_ADD_OBJECT,0), "OBJ_add_object"}, {ERR_PACK(0,OBJ_F_OBJ_CREATE,0), "OBJ_create"}, {ERR_PACK(0,OBJ_F_OBJ_DUP,0), "OBJ_dup"}, +{ERR_PACK(0,OBJ_F_OBJ_NAME_NEW_INDEX,0), "OBJ_NAME_new_index"}, {ERR_PACK(0,OBJ_F_OBJ_NID2LN,0), "OBJ_nid2ln"}, {ERR_PACK(0,OBJ_F_OBJ_NID2OBJ,0), "OBJ_nid2obj"}, {ERR_PACK(0,OBJ_F_OBJ_NID2SN,0), "OBJ_nid2sn"}, diff --git a/crypto/objects/objects.h b/crypto/objects/objects.h index 8b509516fc..7242f76fb0 100644 --- a/crypto/objects/objects.h +++ b/crypto/objects/objects.h @@ -1031,8 +1031,10 @@ void ERR_load_OBJ_strings(void); /* Error codes for the OBJ functions. */ /* Function codes. */ +#define OBJ_F_OBJ_ADD_OBJECT 105 #define OBJ_F_OBJ_CREATE 100 #define OBJ_F_OBJ_DUP 101 +#define OBJ_F_OBJ_NAME_NEW_INDEX 106 #define OBJ_F_OBJ_NID2LN 102 #define OBJ_F_OBJ_NID2OBJ 103 #define OBJ_F_OBJ_NID2SN 104 |