125 lines
2.6 KiB
C
125 lines
2.6 KiB
C
#include "marignotti.h"
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#include <gno/kerntool.h>
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#include <errno.h>
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#include <sys/socket.h>
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#include <sys/time.h>
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#pragma noroot
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#pragma optimize 79
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static LongWord timeval_to_ticks(struct timeval tv)
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{
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LongWord rv;
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rv = 0;
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if (tv.tv_usec || tv.tv_sec)
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{
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if (tv.tv_sec)
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rv = 60 * tv.tv_sec;
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// usec = 1/1,000,000
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// split into 60
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if (tv.tv_usec)
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rv += ((tv.tv_usec + 16666) / 16667);
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if (!rv) rv = 1;
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}
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return rv;
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}
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int msetsockopt(Entry *e, void *p1, void *p2, void *p3, void *p4, void *p5)
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{
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Word terr;
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Word t;
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int level = *(int *)p1;
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int optname = *(int *)p2;
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void *optval = (void *)p3;
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int optlen = p4 ? *(int *)p4 : 0;
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if (level != SOL_SOCKET) return EINVAL;
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if (!optval) return EINVAL;
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// todo -- linger.
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// todo -- oobinline (error if 0?)
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switch(optname)
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{
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case SO_OOBINLINE:
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if (optlen == 4)
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{
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Word flag = *(LongWord *)optval;
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if (!flag) return EINVAL;
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return 0;
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}
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if (optlen == 2)
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{
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Word flag = *(Word *)optval;
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if (!flag) return EINVAL;
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return 0;
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}
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if (optlen == 1)
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{
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Word flag = *(char *)optval;
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if (!flag) return EINVAL;
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return 0;
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}
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break;
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case SO_SNDLOWAT:
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if (optlen == 4)
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{
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e->_SNDLOWAT = *(LongWord *)optval;
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return 0;
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}
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if (optlen == 2)
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{
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e->_SNDLOWAT = *(Word *)optval;
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return 0;
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}
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break;
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case SO_RCVLOWAT:
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if (optlen == 4)
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{
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e->_RCVLOWAT = *(LongWord *)optval;
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return 0;
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}
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if (optlen == 2)
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{
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e->_RCVLOWAT = *(Word *)optval;
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return 0;
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}
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break;
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case SO_SNDTIMEO:
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if (optlen == sizeof(struct timeval))
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{
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// stored as ticks aka seconds * 60.
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struct timeval *tv = (struct timeval *)optval;
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e->_SNDTIMEO = timeval_to_ticks(*tv);
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return 0;
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}
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break;
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case SO_RCVTIMEO:
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if (optlen == sizeof(struct timeval))
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{
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// stored as ticks aka seconds * 60.
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struct timeval *tv = (struct timeval *)optval;
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e->_RCVTIMEO = timeval_to_ticks(*tv);
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return 0;
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}
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break;
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}
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return EINVAL;
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} |