The branch main has been updated by cy: URL: https://cgit.FreeBSD.org/src/commit/?id=780f663df3a0fc30da5f0680c128087b1a05ea40
commit 780f663df3a0fc30da5f0680c128087b1a05ea40 Author: Cy Schubert <[email protected]> AuthorDate: 2022-11-26 16:48:51 +0000 Commit: Cy Schubert <[email protected]> CommitDate: 2022-11-27 02:41:51 +0000 heimdal: Add missing kadm5 error checks Generally obtained from upstream 655c057769f56bd8cdb7d16e93f1e7a7cb260342. PR: 267944, 267972 Obtained from: Heimdal commit 655c057769f56bd8cdb7d16e93f1e7a7cb260342 MFC after: 3 days --- crypto/heimdal/lib/kadm5/marshall.c | 185 ++++++++++++++++++++---------------- 1 file changed, 105 insertions(+), 80 deletions(-) diff --git a/crypto/heimdal/lib/kadm5/marshall.c b/crypto/heimdal/lib/kadm5/marshall.c index 292cdf6107e8..ec9cbefccca9 100644 --- a/crypto/heimdal/lib/kadm5/marshall.c +++ b/crypto/heimdal/lib/kadm5/marshall.c @@ -34,22 +34,23 @@ #include "kadm5_locl.h" RCSID("$Id$"); +#define CHECK(e) do { if (e) return EINVAL; } while (0) kadm5_ret_t kadm5_store_key_data(krb5_storage *sp, krb5_key_data *key) { krb5_data c; - krb5_store_int32(sp, key->key_data_ver); - krb5_store_int32(sp, key->key_data_kvno); - krb5_store_int32(sp, key->key_data_type[0]); + CHECK(krb5_store_int32(sp, key->key_data_ver)); + CHECK(krb5_store_int32(sp, key->key_data_kvno)); + CHECK(krb5_store_int32(sp, key->key_data_type[0])); c.length = key->key_data_length[0]; c.data = key->key_data_contents[0]; - krb5_store_data(sp, c); - krb5_store_int32(sp, key->key_data_type[1]); + CHECK(krb5_store_data(sp, c)); + CHECK(krb5_store_int32(sp, key->key_data_type[1])); c.length = key->key_data_length[1]; c.data = key->key_data_contents[1]; - krb5_store_data(sp, c); + CHECK(krb5_store_data(sp, c)); return 0; } @@ -57,23 +58,37 @@ kadm5_ret_t kadm5_ret_key_data(krb5_storage *sp, krb5_key_data *key) { + kadm5_ret_t ret; krb5_data c; int32_t tmp; - krb5_ret_int32(sp, &tmp); - key->key_data_ver = tmp; - krb5_ret_int32(sp, &tmp); - key->key_data_kvno = tmp; - krb5_ret_int32(sp, &tmp); - key->key_data_type[0] = tmp; - krb5_ret_data(sp, &c); - key->key_data_length[0] = c.length; - key->key_data_contents[0] = c.data; - krb5_ret_int32(sp, &tmp); - key->key_data_type[1] = tmp; - krb5_ret_data(sp, &c); - key->key_data_length[1] = c.length; - key->key_data_contents[1] = c.data; - return 0; + ret = krb5_ret_int32(sp, &tmp); + if (ret == 0) { + key->key_data_ver = tmp; + ret = krb5_ret_int32(sp, &tmp); + } + if (ret == 0) { + key->key_data_kvno = tmp; + ret = krb5_ret_int32(sp, &tmp); + } + if (ret == 0) { + key->key_data_type[0] = tmp; + ret = krb5_ret_data(sp, &c); + } + if (ret == 0) { + key->key_data_length[0] = c.length; + key->key_data_contents[0] = c.data; + ret = krb5_ret_int32(sp, &tmp); + } + if (ret == 0) { + key->key_data_type[1] = tmp; + ret = krb5_ret_data(sp, &c); + } + if (ret == 0) { + key->key_data_length[1] = c.length; + key->key_data_contents[1] = c.data; + return 0; + } + return KADM5_FAILURE; } kadm5_ret_t @@ -81,10 +96,10 @@ kadm5_store_tl_data(krb5_storage *sp, krb5_tl_data *tl) { krb5_data c; - krb5_store_int32(sp, tl->tl_data_type); + CHECK(krb5_store_int32(sp, tl->tl_data_type)); c.length = tl->tl_data_length; c.data = tl->tl_data_contents; - krb5_store_data(sp, c); + CHECK(krb5_store_data(sp, c)); return 0; } @@ -96,7 +111,7 @@ kadm5_ret_tl_data(krb5_storage *sp, int32_t tmp; krb5_ret_int32(sp, &tmp); tl->tl_data_type = tmp; - krb5_ret_data(sp, &c); + CHECK(krb5_ret_data(sp, &c)); tl->tl_data_length = c.length; tl->tl_data_contents = c.data; return 0; @@ -110,54 +125,54 @@ store_principal_ent(krb5_storage *sp, int i; if (mask & KADM5_PRINCIPAL) - krb5_store_principal(sp, princ->principal); + CHECK(krb5_store_principal(sp, princ->principal)); if (mask & KADM5_PRINC_EXPIRE_TIME) - krb5_store_int32(sp, princ->princ_expire_time); + CHECK(krb5_store_int32(sp, princ->princ_expire_time)); if (mask & KADM5_PW_EXPIRATION) - krb5_store_int32(sp, princ->pw_expiration); + CHECK(krb5_store_int32(sp, princ->pw_expiration)); if (mask & KADM5_LAST_PWD_CHANGE) - krb5_store_int32(sp, princ->last_pwd_change); + CHECK(krb5_store_int32(sp, princ->last_pwd_change)); if (mask & KADM5_MAX_LIFE) - krb5_store_int32(sp, princ->max_life); + CHECK(krb5_store_int32(sp, princ->max_life)); if (mask & KADM5_MOD_NAME) { - krb5_store_int32(sp, princ->mod_name != NULL); + CHECK(krb5_store_int32(sp, princ->mod_name != NULL)); if(princ->mod_name) - krb5_store_principal(sp, princ->mod_name); + CHECK(krb5_store_principal(sp, princ->mod_name)); } if (mask & KADM5_MOD_TIME) - krb5_store_int32(sp, princ->mod_date); + CHECK(krb5_store_int32(sp, princ->mod_date)); if (mask & KADM5_ATTRIBUTES) - krb5_store_int32(sp, princ->attributes); + CHECK(krb5_store_int32(sp, princ->attributes)); if (mask & KADM5_KVNO) - krb5_store_int32(sp, princ->kvno); + CHECK(krb5_store_int32(sp, princ->kvno)); if (mask & KADM5_MKVNO) - krb5_store_int32(sp, princ->mkvno); + CHECK(krb5_store_int32(sp, princ->mkvno)); if (mask & KADM5_POLICY) { - krb5_store_int32(sp, princ->policy != NULL); + CHECK(krb5_store_int32(sp, princ->policy != NULL)); if(princ->policy) - krb5_store_string(sp, princ->policy); + CHECK(krb5_store_string(sp, princ->policy)); } if (mask & KADM5_AUX_ATTRIBUTES) - krb5_store_int32(sp, princ->aux_attributes); + CHECK(krb5_store_int32(sp, princ->aux_attributes)); if (mask & KADM5_MAX_RLIFE) - krb5_store_int32(sp, princ->max_renewable_life); + CHECK(krb5_store_int32(sp, princ->max_renewable_life)); if (mask & KADM5_LAST_SUCCESS) - krb5_store_int32(sp, princ->last_success); + CHECK(krb5_store_int32(sp, princ->last_success)); if (mask & KADM5_LAST_FAILED) - krb5_store_int32(sp, princ->last_failed); + CHECK(krb5_store_int32(sp, princ->last_failed)); if (mask & KADM5_FAIL_AUTH_COUNT) - krb5_store_int32(sp, princ->fail_auth_count); + CHECK(krb5_store_int32(sp, princ->fail_auth_count)); if (mask & KADM5_KEY_DATA) { - krb5_store_int32(sp, princ->n_key_data); + CHECK(krb5_store_int32(sp, princ->n_key_data)); for(i = 0; i < princ->n_key_data; i++) - kadm5_store_key_data(sp, &princ->key_data[i]); + CHECK(kadm5_store_key_data(sp, &princ->key_data[i])); } if (mask & KADM5_TL_DATA) { krb5_tl_data *tp; - krb5_store_int32(sp, princ->n_tl_data); + CHECK(krb5_store_int32(sp, princ->n_tl_data)); for(tp = princ->tl_data; tp; tp = tp->tl_data_next) - kadm5_store_tl_data(sp, tp); + CHECK(kadm5_store_tl_data(sp, tp)); } return 0; } @@ -175,8 +190,12 @@ kadm5_store_principal_ent_mask(krb5_storage *sp, kadm5_principal_ent_t princ, uint32_t mask) { - krb5_store_int32(sp, mask); - return store_principal_ent (sp, princ, mask); + kadm5_ret_t ret; + + ret = krb5_store_int32(sp, mask); + if (ret == 0) + ret = store_principal_ent (sp, princ, mask); + return (ret); } static kadm5_ret_t @@ -188,93 +207,91 @@ ret_principal_ent(krb5_storage *sp, int32_t tmp; if (mask & KADM5_PRINCIPAL) - if (krb5_ret_principal(sp, &princ->principal)) - return EINVAL; + CHECK(krb5_ret_principal(sp, &princ->principal)); if (mask & KADM5_PRINC_EXPIRE_TIME) { - krb5_ret_int32(sp, &tmp); + CHECK(krb5_ret_int32(sp, &tmp)); princ->princ_expire_time = tmp; } if (mask & KADM5_PW_EXPIRATION) { - krb5_ret_int32(sp, &tmp); + CHECK(krb5_ret_int32(sp, &tmp)); princ->pw_expiration = tmp; } if (mask & KADM5_LAST_PWD_CHANGE) { - krb5_ret_int32(sp, &tmp); + CHECK(krb5_ret_int32(sp, &tmp)); princ->last_pwd_change = tmp; } if (mask & KADM5_MAX_LIFE) { - krb5_ret_int32(sp, &tmp); + CHECK(krb5_ret_int32(sp, &tmp)); princ->max_life = tmp; } if (mask & KADM5_MOD_NAME) { - krb5_ret_int32(sp, &tmp); - if(tmp) { - if (krb5_ret_principal(sp, &princ->mod_name)) - return EINVAL; - } else + CHECK(krb5_ret_int32(sp, &tmp)); + if(tmp) + CHECK(krb5_ret_principal(sp, &princ->mod_name)); + else princ->mod_name = NULL; } if (mask & KADM5_MOD_TIME) { - krb5_ret_int32(sp, &tmp); + CHECK(krb5_ret_int32(sp, &tmp)); princ->mod_date = tmp; } if (mask & KADM5_ATTRIBUTES) { - krb5_ret_int32(sp, &tmp); + CHECK(krb5_ret_int32(sp, &tmp)); princ->attributes = tmp; } if (mask & KADM5_KVNO) { - krb5_ret_int32(sp, &tmp); + CHECK(krb5_ret_int32(sp, &tmp)); princ->kvno = tmp; } if (mask & KADM5_MKVNO) { - krb5_ret_int32(sp, &tmp); + CHECK(krb5_ret_int32(sp, &tmp)); princ->mkvno = tmp; } if (mask & KADM5_POLICY) { - krb5_ret_int32(sp, &tmp); + CHECK(krb5_ret_int32(sp, &tmp)); if(tmp) - krb5_ret_string(sp, &princ->policy); + CHECK(krb5_ret_string(sp, &princ->policy)); else princ->policy = NULL; } if (mask & KADM5_AUX_ATTRIBUTES) { - krb5_ret_int32(sp, &tmp); + CHECK(krb5_ret_int32(sp, &tmp)); princ->aux_attributes = tmp; } if (mask & KADM5_MAX_RLIFE) { - krb5_ret_int32(sp, &tmp); + CHECK(krb5_ret_int32(sp, &tmp)); princ->max_renewable_life = tmp; } if (mask & KADM5_LAST_SUCCESS) { - krb5_ret_int32(sp, &tmp); + CHECK(krb5_ret_int32(sp, &tmp)); princ->last_success = tmp; } if (mask & KADM5_LAST_FAILED) { - krb5_ret_int32(sp, &tmp); + CHECK(krb5_ret_int32(sp, &tmp)); princ->last_failed = tmp; } if (mask & KADM5_FAIL_AUTH_COUNT) { - krb5_ret_int32(sp, &tmp); + CHECK(krb5_ret_int32(sp, &tmp)); princ->fail_auth_count = tmp; } if (mask & KADM5_KEY_DATA) { - krb5_ret_int32(sp, &tmp); + CHECK(krb5_ret_int32(sp, &tmp)); princ->n_key_data = tmp; princ->key_data = malloc(princ->n_key_data * sizeof(*princ->key_data)); if (princ->key_data == NULL && princ->n_key_data != 0) return ENOMEM; for(i = 0; i < princ->n_key_data; i++) - kadm5_ret_key_data(sp, &princ->key_data[i]); + CHECK(kadm5_ret_key_data(sp, &princ->key_data[i])); } if (mask & KADM5_TL_DATA) { - krb5_ret_int32(sp, &tmp); + CHECK(krb5_ret_int32(sp, &tmp)); princ->n_tl_data = tmp; princ->tl_data = NULL; for(i = 0; i < princ->n_tl_data; i++){ krb5_tl_data *tp = malloc(sizeof(*tp)); if (tp == NULL) return ENOMEM; - kadm5_ret_tl_data(sp, tp); + CHECK(kadm5_ret_tl_data(sp, tp)); tp->tl_data_next = princ->tl_data; princ->tl_data = tp; } @@ -294,9 +311,14 @@ kadm5_ret_principal_ent_mask(krb5_storage *sp, kadm5_principal_ent_t princ, uint32_t *mask) { + kadm5_ret_t ret; int32_t tmp; - krb5_ret_int32 (sp, &tmp); + ret = krb5_ret_int32 (sp, &tmp); + if (ret) { + *mask = 0; + return (ret); + } *mask = tmp; return ret_principal_ent (sp, princ, *mask); } @@ -306,16 +328,19 @@ _kadm5_marshal_params(krb5_context context, kadm5_config_params *params, krb5_data *out) { + kadm5_ret_t ret; + krb5_storage *sp = krb5_storage_emem(); - krb5_store_int32(sp, params->mask & (KADM5_CONFIG_REALM)); + ret = krb5_store_int32(sp, params->mask & (KADM5_CONFIG_REALM)); - if(params->mask & KADM5_CONFIG_REALM) - krb5_store_string(sp, params->realm); - krb5_storage_to_data(sp, out); + if (ret == 0 && params->mask & KADM5_CONFIG_REALM) + ret = krb5_store_string(sp, params->realm); + if (ret == 0) + krb5_storage_to_data(sp, out); krb5_storage_free(sp); - return 0; + return (ret); } kadm5_ret_t
