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llcache: Persist SSL certificate data

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Signed-off-by: Daniel Silverstone <dsilvers@digital-scurf.org>
This commit is contained in:
Daniel Silverstone 2019-11-30 13:40:13 +00:00
parent f49654cfc5
commit 0c0b9faddd
1 changed files with 117 additions and 0 deletions
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117
content/llcache.c
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@ -1251,6 +1251,8 @@ llcache_serialise_metadata(llcache_object *object,
allocsize += 10 + 1; /* space for number of header entries */
allocsize += 10 + 1; /* space for number of SSL certificates */
allocsize += nsurl_length(object->url) + 1;
for (hloop = 0 ; hloop < object->num_headers ; hloop++) {
@ -1258,6 +1260,15 @@ llcache_serialise_metadata(llcache_object *object,
allocsize += strlen(object->headers[hloop].value) + 1;
}
for (hloop = 0; hloop < object->ssl_cert_count; hloop++) {
allocsize += (10 + 1) * 4; /* version, sig_type, cert_type, err */
allocsize += strlen(object->ssl_certs[hloop].not_before) + 1;
allocsize += strlen(object->ssl_certs[hloop].not_after) + 1;
allocsize += strlen(object->ssl_certs[hloop].serialnum) + 1;
allocsize += strlen(object->ssl_certs[hloop].issuer) + 1;
allocsize += strlen(object->ssl_certs[hloop].subject) + 1;
}
data = malloc(allocsize);
if (data == NULL) {
return NSERROR_NOMEM;
@ -1340,6 +1351,112 @@ llcache_serialise_metadata(llcache_object *object,
datasize -= use;
}
/* number of ssl certificates */
use = snprintf(op, datasize, "%" PRIsizet, object->ssl_cert_count);
if (use < 0) {
goto operror;
}
use++; /* does not count the null */
if (use > datasize)
goto overflow;
op += use;
datasize -= use;
/* SSL certificates */
for (hloop = 0; hloop < object->ssl_cert_count; hloop++) {
struct ssl_cert_info *cert = &(object->ssl_certs[hloop]);
/* Certificate version */
use = snprintf(op, datasize, "%ld", cert->version);
if (use < 0) {
goto operror;
}
use++; /* does not count the null */
if (use > datasize)
goto overflow;
op += use;
datasize -= use;
/* not_before */
use = snprintf(op, datasize, "%s", cert->not_before);
if (use < 0) {
goto operror;
}
use++; /* does not count the null */
if (use > datasize)
goto overflow;
op += use;
datasize -= use;
/* not_after */
use = snprintf(op, datasize, "%s", cert->not_after);
if (use < 0) {
goto operror;
}
use++; /* does not count the null */
if (use > datasize)
goto overflow;
op += use;
datasize -= use;
/* Signature type */
use = snprintf(op, datasize, "%d", cert->sig_type);
if (use < 0) {
goto operror;
}
use++; /* does not count the null */
if (use > datasize)
goto overflow;
op += use;
datasize -= use;
/* serialnum */
use = snprintf(op, datasize, "%s", cert->serialnum);
if (use < 0) {
goto operror;
}
use++; /* does not count the null */
if (use > datasize)
goto overflow;
op += use;
datasize -= use;
/* issuer */
use = snprintf(op, datasize, "%s", cert->issuer);
if (use < 0) {
goto operror;
}
use++; /* does not count the null */
if (use > datasize)
goto overflow;
op += use;
datasize -= use;
/* subject */
use = snprintf(op, datasize, "%s", cert->subject);
if (use < 0) {
goto operror;
}
use++; /* does not count the null */
if (use > datasize)
goto overflow;
op += use;
datasize -= use;
/* Certificate type */
use = snprintf(op, datasize, "%d", cert->cert_type);
if (use < 0) {
goto operror;
}
use++; /* does not count the null */
if (use > datasize)
goto overflow;
op += use;
datasize -= use;
/* Certificate error code */
use = snprintf(op, datasize, "%d", (int)(cert->err));
if (use < 0) {
goto operror;
}
use++; /* does not count the null */
if (use > datasize)
goto overflow;
op += use;
datasize -= use;
}
NSLOG(llcache, DEBUG, "Filled buffer with %d spare", datasize);
*data_out = data;