mirror of
https://framagit.org/bortzmeyer/echoping
synced 2024-11-15 00:12:48 +00:00
107 lines
2.3 KiB
C
107 lines
2.3 KiB
C
/*
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* Code contributed by Christian Grimm <grimm@rvs.uni-hannover.de>
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* and patched by Stephane Bortzmeyer.
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*
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* $Id$
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*
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*/
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#include "echoping.h"
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#ifdef ICP
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void *
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make_icp_sendline(url, shost, opcode, length)
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const char *url;
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u_num32 *shost;
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icp_opcode opcode;
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int *length;
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{
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icp_common_t *headerp = NULL;
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char *buf = NULL;
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char *urloffset = NULL;
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u_num32 flags = ICP_FLAG_SRC_RTT;
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u_num32 pad = 0;
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u_num32 reqnum = 4711;
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unsigned short buf_len;
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buf_len = sizeof(icp_common_t) + strlen(url) + 1;
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if (opcode == ICP_OP_QUERY)
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buf_len += sizeof(u_num32);
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buf = calloc(buf_len, 1);
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headerp = (icp_common_t *) buf;
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headerp->opcode = opcode;
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headerp->version = ICP_VERSION_CURRENT;
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headerp->length = htons(buf_len);
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headerp->reqnum = htonl(reqnum);
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headerp->flags = htonl(flags);
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headerp->pad = pad;
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if (shost)
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headerp->shostid = htonl(*shost);
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/* urloffset = (char *) ((int) buf + sizeof(icp_common_t)); */
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urloffset = (char *) (buf + sizeof(icp_common_t));
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if (opcode == ICP_OP_QUERY)
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urloffset += sizeof(u_num32);
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memcpy(urloffset, url, strlen(url));
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*length = buf_len;
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return buf;
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}
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int
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recv_icp(sockfd, buf, retcode)
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int sockfd;
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char *buf;
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char *retcode;
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{ /*
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* based on draft-wessels-icp-v2-02.txt
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*/
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icp_common_t *headerp = (icp_common_t *) buf;
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int nr, length;
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unsigned char opcode;
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static char *icp_op_code[] = {
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/* 0 */ "ICP_OP_INVALID",
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/* 1 */ "ICP_OP_QUERY",
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/* 2 */ "ICP_OP_HIT",
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/* 3 */ "ICP_OP_MISS",
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/* 4 */ "ICP_OP_ERR",
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/* 5 */ "",
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/* 6 */ "",
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/* 7 */ "",
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/* 8 */ "",
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/* 9 */ "",
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/* 10 */ "ICP_OP_SECHO",
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/* 11 */ "ICP_OP_DECHO",
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/* 12 */ "",
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/* 13 */ "",
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/* 14 */ "",
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/* 15 */ "",
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/* 16 */ "",
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/* 17 */ "",
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/* 18 */ "",
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/* 19 */ "",
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/* 20 */ "",
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/* 21 */ "ICP_OP_MISS_NOFETCH",
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/* 22 */ "ICP_OP_DENIED",
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/* 23 */ "ICP_OP_HIT_OBJ"
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};
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nr = recvfrom(sockfd, buf, DEFLINE, 0, (struct sockaddr *) 0, (int *) 0);
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if (nr < 0) {
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if (timeout_flag)
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err_quit("Timeout while reading");
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else
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err_sys("No reply from ICP proxy server");
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}
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opcode = headerp->opcode;
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length = ntohs(headerp->length);
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sprintf(retcode, "ICP reply: \42%s\42", icp_op_code[opcode]);
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return length;
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}
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#endif /* ICP */
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