Method parse

source/src/crypto.cpp:1150–1229

static inline int aktcerttime() { return time(NULL) / (time_t) 60; }      // use minutes instead of seconds as timebase, so int will be more than enough

bool cert::parse()  // parse orgmsg[] and check the signature
{
    isvalid = ischecked = needsrenewal = expired = false;
    pubkey = signedby = NULL; name = NULL;
    type = CERT_MISC;
    DELETEA(workmsg);
    lines.setsize(0);
    if(orglen > certheaderlenfull && orglen < (1<<20) && !strncmp(orgmsg, certheader, certheaderlen) && orgmsg[certheaderlen + 128] == '\n')
    { // frame ok
        workmsg = new char[orglen + 1];
        memcpy(workmsg, orgmsg, orglen + 1);
        uchar *signature = (uchar*) orgmsg + certheaderlenfull - 64;
        if(hex2bin(signature, workmsg + certheaderlen, 64) == 64)
        { // parse all lines
            certline line;
            for(char *b, *l = strtok_r(workmsg + certheaderlenfull, "\n\r", &b); l; l = strtok_r(NULL, "\n\r", &b))
            {
                // get comment
                line.comment = strstr(l, "//");
                if(line.comment)
                {
                    *line.comment = '\0';
                    line.comment += 2 + strspn(line.comment + 2, " ");
                    trimtrailingwhitespace(line.comment);
                }
                trimtrailingwhitespace(l);

                // get keyword and value, separated by ":"
                l += strspn(l, " \t");
                line.val = strchr(l, ':');
                if(line.val && line.val > l)
                {
                    line.key = l;
                    *line.val++ = '\0';
                    line.val += strspn(line.val, " \t");
                    trimtrailingwhitespace(line.key);
                    trimtrailingwhitespace(line.val);
                    if(!strcasecmp(line.key, "signed-by"))
                    { // parse "signed-by" key directly
                        if(!(strlen(line.val) == 64 && (signedby = (uchar*)line.val) && hex2bin(signedby, orgmsg + (line.val - workmsg), 32) == 32)) signedby = NULL;
                    }
                    else if(!strcasecmp(line.key, "signed-date"))
                    { // parse "signed-date" key directly
                        signeddate = atoi(line.val);
                    }
                    else if(!strcasecmp(line.key, "pubkey"))
                    { // parse "pubkey" key directly
                        if(!(strlen(line.val) == 64 && (pubkey = (uchar*)line.val) && hex2bin(pubkey, orgmsg + (line.val - workmsg), 32) == 32)) pubkey = NULL;
                    }
                    else if(!strcasecmp(line.key, "name"))
                    { // parse "name" key directly
                        name = line.val;
                    }
                    else
                    { // add to list
                        lines.add(line);
                        if(!strcasecmp(line.key, "type")) type = getlistindex(line.val, certtypekeywords, false, 0);
                    }