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Fix LibXml2.9.0 issue

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This commit is contained in:
brenosilva 2012-10-18 17:10:12 +00:00
parent 75a5e1d3f4
commit d3164f8db9
1 changed files with 67 additions and 0 deletions
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67
apache2/msc_crypt.c
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@ -199,6 +199,7 @@ char *getkey(apr_pool_t *mp) {
return sig;
}
/**
* \brief Generate the MAC for a given message
*
@ -1092,6 +1093,70 @@ int inject_encrypted_response_body(modsec_rec *msr, int elts) {
htmlDocContentDumpFormatOutput(output_buf, msr->crypto_html_tree, NULL, 0);
#ifdef LIBXML2_NEW_BUFFER
if (output_buf->conv == NULL || (output_buf->conv && xmlOutputBufferGetSize(output_buf) == 0)) {
if(output_buf->buffer == NULL || xmlOutputBufferGetSize(output_buf) == 0) {
xmlOutputBufferClose(output_buf);
xmlFreeDoc(msr->crypto_html_tree);
msr->of_stream_changed = 0;
return -1;
}
if(msr->stream_output_data != NULL) {
free(msr->stream_output_data);
msr->stream_output_data = NULL;
}
msr->stream_output_length = xmlOutputBufferGetSize(output_buf);
msr->stream_output_data = (char *)malloc(msr->stream_output_length+1);
if (msr->stream_output_data == NULL) {
xmlOutputBufferClose(output_buf);
xmlFreeDoc(msr->crypto_html_tree);
return -1;
}
memset(msr->stream_output_data, 0x0, msr->stream_output_length+1);
memcpy(msr->stream_output_data, xmlOutputBufferGetContent(output_buf), msr->stream_output_length);
if (msr->txcfg->debuglog_level >= 4)
msr_log(msr, 4, "inject_encrypted_response_body: Copying XML tree from CONTENT to stream buffer [%d] bytes.", xmlOutputBufferGetSize(output_buf));
} else {
if(output_buf->conv == NULL || xmlOutputBufferGetSize(output_buf) == 0) {
xmlOutputBufferClose(output_buf);
xmlFreeDoc(msr->crypto_html_tree);
msr->of_stream_changed = 0;
return -1;
}
if(msr->stream_output_data != NULL) {
free(msr->stream_output_data);
msr->stream_output_data = NULL;
}
msr->stream_output_length = xmlOutputBufferGetSize(output_buf);
msr->stream_output_data = (char *)malloc(msr->stream_output_length+1);
if (msr->stream_output_data == NULL) {
xmlOutputBufferClose(output_buf);
xmlFreeDoc(msr->crypto_html_tree);
return -1;
}
memset(msr->stream_output_data, 0x0, msr->stream_output_length+1);
memcpy(msr->stream_output_data, xmlOutputBufferGetContent(output_buf), msr->stream_output_length);
if (msr->txcfg->debuglog_level >= 4)
msr_log(msr, 4, "inject_encrypted_response_body: Copying XML tree from CONV to stream buffer [%d] bytes.", xmlOutputBufferGetSize(output_buf));
}
#else
if (output_buf->conv == NULL || (output_buf->conv && output_buf->conv->use == 0)) {
if(output_buf->buffer == NULL || output_buf->buffer->use == 0) {
@ -1152,6 +1217,8 @@ int inject_encrypted_response_body(modsec_rec *msr, int elts) {
}
#endif
xmlOutputBufferClose(output_buf);
content_value = (char*)apr_psprintf(msr->mp, "%"APR_SIZE_T_FMT, msr->stream_output_length);