7 #include <netinet/in.h>
11 #include "signature.h"
16 static unsigned char lead_magic[] = {
17 RPMLEAD_MAGIC0, RPMLEAD_MAGIC1, RPMLEAD_MAGIC2, RPMLEAD_MAGIC3
20 /* The lead needs to be 8 byte aligned */
22 rpmRC writeLead(FD_t fd, const struct rpmlead *lead)
26 memcpy(&l, lead, sizeof(l));
28 memcpy(&l.magic, lead_magic, sizeof(l.magic));
29 l.type = htons(l.type);
30 l.archnum = htons(l.archnum);
31 l.osnum = htons(l.osnum);
32 l.signature_type = htons(l.signature_type);
34 if (Fwrite(&l, 1, sizeof(l), fd) != sizeof(l))
40 rpmRC readLead(FD_t fd, struct rpmlead *lead)
42 memset(lead, 0, sizeof(*lead));
43 /* FIX: remove timed read */
44 if (timedRead(fd, (char *)lead, sizeof(*lead)) != sizeof(*lead)) {
46 rpmlog(RPMERR_READ, _("read failed: %s (%d)\n"),
47 Fstrerror(fd), errno);
50 return RPMRC_NOTFOUND;
53 if (memcmp(lead->magic, lead_magic, sizeof(lead_magic)))
54 return RPMRC_NOTFOUND;
55 lead->type = ntohs(lead->type);
56 lead->archnum = ntohs(lead->archnum);
57 lead->osnum = ntohs(lead->osnum);
58 lead->signature_type = ntohs(lead->signature_type);
59 if (lead->signature_type != RPMSIGTYPE_HEADERSIG)
60 return RPMRC_NOTFOUND;