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[NSS] NSS_CMSContentInfo_SetContent: only modify cinfo if everything succeeds.

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This commit is contained in:
Dana Keeler
2026-05-24 12:03:33 +02:00
committed by roytam1
parent 089170ae83
commit 7167a8fabc
1 changed files with 16 additions and 13 deletions
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security/nss/lib/smime/cmscinfo.c
+16 -13
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@@ -156,37 +156,40 @@ SECStatus
NSS_CMSContentInfo_SetContent(NSSCMSMessage *cmsg, NSSCMSContentInfo *cinfo,
SECOidTag type, void *ptr)
{
SECStatus rv;
if (cinfo == NULL || cmsg == NULL) {
PORT_SetError(SEC_ERROR_INVALID_ARGS);
return SECFailure;
}
cinfo->contentTypeTag = SECOID_FindOIDByTag(type);
if (cinfo->contentTypeTag == NULL) {
SECOidData *contentTypeTag = SECOID_FindOIDByTag(type);
if (!contentTypeTag) {
return SECFailure;
}
/* do not copy the oid, just create a reference */
rv = SECITEM_CopyItem(cmsg->poolp, &(cinfo->contentType), &(cinfo->contentTypeTag->oid));
SECItem contentType = { siBuffer, NULL, 0 };
SECStatus rv = SECITEM_CopyItem(cmsg->poolp, &contentType, &(contentTypeTag->oid));
if (rv != SECSuccess) {
return SECFailure;
}
cinfo->content.pointer = ptr;
SECItem *rawContent;
if (NSS_CMSType_IsData(type) && ptr) {
cinfo->rawContent = ptr;
rawContent = ptr;
} else {
/* as we always have some inner data,
* we need to set it to something, just to fool the encoder enough to work on it
* and get us into nss_cms_encoder_notify at that point */
cinfo->rawContent = SECITEM_AllocItem(cmsg->poolp, NULL, 1);
if (cinfo->rawContent == NULL) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
* we need to set it to something, just to fool the encoder enough to work on it
* and get us into nss_cms_encoder_notify at that point */
rawContent = SECITEM_AllocItem(cmsg->poolp, NULL, 1);
if (!rawContent) {
return SECFailure;
}
}
cinfo->contentType = contentType;
cinfo->content.pointer = ptr;
cinfo->contentTypeTag = contentTypeTag;
cinfo->rawContent = rawContent;
return SECSuccess;
}