diff options
Diffstat (limited to 'src/bin')
| -rw-r--r-- | src/bin/filemon.c | 72 | ||||
| -rw-r--r-- | src/bin/ipconvert.c | 8 | ||||
| -rw-r--r-- | src/bin/rrd.c | 91 |
3 files changed, 171 insertions, 0 deletions
diff --git a/src/bin/filemon.c b/src/bin/filemon.c new file mode 100644 index 0000000..6930673 --- /dev/null +++ b/src/bin/filemon.c @@ -0,0 +1,72 @@ +//ripped from the netbsd man page for kqueue +//and modified very slightly. +//I'll add some more stuff as I find a use for it. + #include <sys/types.h> + #include <sys/event.h> + #include <sys/time.h> + #include <stdio.h> + #include <unistd.h> + #include <stdlib.h> + #include <fcntl.h> + #include <err.h> + + int + main(int argc, char *argv[]) + { + int fd, kq, nev; + struct kevent ev; + static const struct timespec tout = { 1, 0 }; + + if ((fd = open(argv[1], O_RDONLY)) == -1) + err(1, "Cannot open `%s'", argv[1]); + + if ((kq = kqueue()) == -1) + err(1, "Cannot create kqueue"); + + EV_SET(&ev, fd, EVFILT_VNODE, EV_ADD | EV_ENABLE | EV_CLEAR, + NOTE_DELETE|NOTE_WRITE|NOTE_EXTEND|NOTE_ATTRIB|NOTE_LINK| + NOTE_RENAME|NOTE_REVOKE, 0, 0); + if (kevent(kq, &ev, 1, NULL, 0, &tout) == -1) + err(1, "kevent"); + for (;;) { + nev = kevent(kq, NULL, 0, &ev, 1, &tout); + if (nev == -1) + err(1, "kevent"); + if (nev == 0) + continue; + if (ev.fflags & (NOTE_DELETE|NOTE_WRITE|NOTE_EXTEND|NOTE_ATTRIB|NOTE_LINK|NOTE_RENAME|NOTE_REVOKE)) { + printf("%s: ",argv[1]); + } + if (ev.fflags & NOTE_DELETE) { + printf("deleted "); + ev.fflags &= ~NOTE_DELETE; + } + if (ev.fflags & NOTE_WRITE) { + printf("written "); + ev.fflags &= ~NOTE_WRITE; + } + if (ev.fflags & NOTE_EXTEND) { + printf("extended "); + ev.fflags &= ~NOTE_EXTEND; + } + if (ev.fflags & NOTE_ATTRIB) { + printf("chmod/chown/utimes "); + ev.fflags &= ~NOTE_ATTRIB; + } + if (ev.fflags & NOTE_LINK) { + printf("hardlinked "); + ev.fflags &= ~NOTE_LINK; + } + if (ev.fflags & NOTE_RENAME) { + printf("renamed "); + ev.fflags &= ~NOTE_RENAME; + } + if (ev.fflags & NOTE_REVOKE) { + printf("revoked "); + ev.fflags &= ~NOTE_REVOKE; + } + printf("\n"); + if (ev.fflags) + warnx("unknown event 0x%x\n", ev.fflags); + } + } diff --git a/src/bin/ipconvert.c b/src/bin/ipconvert.c new file mode 100644 index 0000000..5420e27 --- /dev/null +++ b/src/bin/ipconvert.c @@ -0,0 +1,8 @@ +#include <stdio.h> + +int main(int argc,char *argv[]) { + int addr=inet_addr(argv[1]); + printf("%x\n",htonl(addr)); + printf("%u\n",htonl(addr)); + printf("%u.%u.%u.%u\n",addr&255,addr>>8&255,addr>>16&255,addr>>24&255); +} diff --git a/src/bin/rrd.c b/src/bin/rrd.c new file mode 100644 index 0000000..bbb907d --- /dev/null +++ b/src/bin/rrd.c @@ -0,0 +1,91 @@ +#include <stdio.h> +#include <sys/sysctl.h> +#include <net/route.h> + +#include <sys/socket.h> +#include <netinet/in.h> + +/* +mostly ripped. just outputs routes from KRT on NetBSD. +used to look closer at a difference of output from route and netstat. +*/ + +get_rtaddrs(int addrs, struct sockaddr *sa, struct sockaddr **rti_info) +{ + int i; + + for (i = 0; i < RTAX_MAX; i++) { + if (addrs & (1 << i)) { + rti_info[i] = sa; + sa = (struct sockaddr *)((char *)(sa) + + RT_ROUNDUP(sa->sa_len)); + } else + rti_info[i] = NULL; + } +} + + +void print_sa6(struct sockaddr *sa) { + int i=0; + struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa; + struct in6_addr *in6 = &sa6->sin6_addr; + if(sa) { + for(i=0;i<16;i++) { + printf("%02x",(unsigned char)in6->s6_addr[i]); + i++; + printf("%02x",(unsigned char)in6->s6_addr[i]); + if(i != 15) printf(":"); + } + } else { + printf("none"); + } + printf("\n"); +} + +void p_rtentry(struct rt_msghdr *rtm) { + struct sockadrr *sa = (struct sockaddr *)(rtm+1); + struct sockaddr *rti_info[RTAX_MAX]; + struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa; + struct in6_addr *in6 = &sa6->sin6_addr; + get_rtaddrs(rtm->rtm_addrs, sa, rti_info); + + printf("addr: "); + print_sa6(rti_info[RTAX_DST]); + printf("mask: "); + print_sa6(rti_info[RTAX_NETMASK]); + printf("gate: "); + print_sa6(rti_info[RTAX_GATEWAY]); + printf("\n"); +} + +int main() { +// sysctl(const int *name, u_int namelen, void *oldp, size_t *oldlenp, +// const void *newp, size_t newlen); + int needed; + struct rt_msghdr *rtm; + struct sockaddr *sa; + char *buf,*next,*lim; + int mib[6]; + mib[0]=CTL_NET; + mib[1]=PF_ROUTE; + mib[2]=0; + mib[3]=AF_INET6; + mib[4]=NET_RT_DUMP; + mib[5]=0; + sysctl(mib,6,NULL,&needed,NULL,0); + buf=malloc(needed); + sysctl(mib,6,buf,&needed,NULL,0); + lim=buf+needed; + if (buf) { + for (next = buf; next < lim; next += rtm->rtm_msglen) { + rtm = (struct rt_msghdr *)next; + sa = (struct sockaddr *)(rtm + 1); + if (sa->sa_family != AF_INET6) + continue; + p_rtentry(rtm); + } + free(buf); + buf = NULL; + } + +} |