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Corrected handling of IP_RECVERR

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This commit is contained in:
Gerhard Rieger 2021-10-28 21:21:07 +02:00
parent bc32acb5fe
commit d84c22be7a
6 changed files with 177 additions and 28 deletions

35
filan.c
View file

@ -35,6 +35,7 @@ bool filan_rawoutput;
int sockoptan(int fd, const struct sockopt *optname, int socklay, FILE *outfile);
int tcpan(int fd, FILE *outfile);
int tcpan2(int fd, FILE *outfile);
const char *getfiletypestring(int st_mode);
static int printtime(FILE *outfile, time_t time);
@ -895,10 +896,44 @@ int tcpan(int fd, FILE *outfile) {
sockoptan(fd, optname, SOL_TCP, outfile);
++optname;
}
tcpan2(fd, outfile);
return 0;
}
#endif /* WITH_TCP */
#if WITH_TCP
int tcpan2(int fd, FILE *outfile) {
struct tcp_info tcpinfo;
socklen_t tcpinfolen = sizeof(tcpinfo);
int result;
result = Getsockopt(fd, SOL_TCP, TCP_INFO, &tcpinfo, &tcpinfolen);
if (result < 0) {
Debug4("getsockopt(%d, SOL_TCP, TCP_INFO, %p, {"F_socklen"}): %s",
fd, &tcpinfo, sizeof(tcpinfo), strerror(errno));
return -1;
}
fprintf(outfile, "%s={%u}\t", "TCPI_STATE", tcpinfo.tcpi_state);
#if 0 /* on BSD these components are prefixed with __ - I get tired... */
fprintf(outfile, "%s={%u}\t", "TCPI_CA_STATE", tcpinfo.tcpi_ca_state);
fprintf(outfile, "%s={%u}\t", "TCPI_RETRANSMITS", tcpinfo.tcpi_retransmits);
fprintf(outfile, "%s={%u}\t", "TCPI_PROBES", tcpinfo.tcpi_probes);
fprintf(outfile, "%s={%u}\t", "TCPI_BACKOFF", tcpinfo.tcpi_backoff);
#endif
fprintf(outfile, "%s={%u}\t", "TCPI_OPTIONS", tcpinfo.tcpi_options);
fprintf(outfile, "%s={%u}\t", "TCPI_SND_WSCALE", tcpinfo.tcpi_snd_wscale);
fprintf(outfile, "%s={%u}\t", "TCPI_RCV_WSCALE", tcpinfo.tcpi_rcv_wscale);
//fprintf(outfile, "%s={%u}\t", "TCPI_DELIVERY_RATE_APP_LIMITED", tcpinfo.tcpi_delivery_rate_app_limited);
//fprintf(outfile, "%s={%u}\t", "TCPI_FASTOPEN_CLIENT_FAIL", tcpinfo.tcpi_fastopen_client_fail);
// fprintf(outfile, "%s={%u}\t", "TCPI_", tcpinfo.tcpi_);
return 0;
}
#endif /* WITH_TCP */
#if _WITH_SOCKET
int sockoptan(int fd, const struct sockopt *optname, int socklay, FILE *outfile) {