nexmon – Blame information for rev 1
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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | office | 1 | /* source: hostan.c */ |
| 2 | /* Copyright Gerhard Rieger */ |
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| 3 | /* Published under the GNU General Public License V.2, see file COPYING */ |
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| 4 | |||
| 5 | /* the subroutine hostan makes a "HOST ANalysis". It gathers information |
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| 6 | about the host environment it is running in without modifying its state |
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| 7 | (almost). |
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| 8 | */ |
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| 9 | |||
| 10 | #include "xiosysincludes.h" |
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| 11 | #include "mytypes.h" |
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| 12 | #include "compat.h" |
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| 13 | #include "error.h" |
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| 14 | #include "sycls.h" |
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| 15 | #include "sysutils.h" |
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| 16 | #include "filan.h" |
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| 17 | #include "error.h" |
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| 18 | |||
| 19 | #include "hostan.h" |
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| 20 | |||
| 21 | static int iffan(FILE *outfile); |
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| 22 | |||
| 23 | int hostan(FILE *outfile) { |
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| 24 | fprintf(outfile, "\nC TYPE SIZES\n"); |
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| 25 | fprintf(outfile, "sizeof(char) = %u\n", (unsigned int)sizeof(char)); |
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| 26 | fprintf(outfile, "sizeof(short) = %u\n", (unsigned int)sizeof(short)); |
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| 27 | fprintf(outfile, "sizeof(int) = %u\n", (unsigned int)sizeof(int)); |
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| 28 | fprintf(outfile, "sizeof(long) = %u\n", (unsigned int)sizeof(long)); |
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| 29 | #if HAVE_TYPE_LONGLONG |
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| 30 | fprintf(outfile, "sizeof(long long) = %u\n", (unsigned int)sizeof(long long)); |
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| 31 | #endif |
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| 32 | fprintf(outfile, "sizeof(size_t) = %u\n", (unsigned int)sizeof(size_t)); |
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| 33 | #include <sys/time.h> /* select(); OpenBSD: struct timespec */ |
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| 34 | fprintf(outfile, "sizeof(struct timespec) = %u\n", (unsigned int)sizeof(struct timespec)); |
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| 35 | fprintf(outfile, "sizeof(struct diag_dgram) = %u\n", (unsigned int)sizeof(struct diag_dgram)); |
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| 36 | fprintf(outfile, "((struct diag_dgram *)0)->op-((struct diag_dgram *)0) = %u\n", (unsigned int)((char *)(&((struct diag_dgram *)0)->op)-(char *)((struct diag_dgram *)0))); |
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| 37 | fprintf(outfile, "((struct diag_dgram *)0)->now-((struct diag_dgram *)0) = %u\n", (unsigned int)((char *)(&((struct diag_dgram *)0)->now)-(char *)((struct diag_dgram *)0))); |
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| 38 | fprintf(outfile, "((struct diag_dgram *)0)->exitcode-((struct diag_dgram *)0) = %u\n", (unsigned int)((char *)(&((struct diag_dgram *)0)->exitcode)-(char *)((struct diag_dgram *)0))); |
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| 39 | fprintf(outfile, "((struct diag_dgram *)0)->text-((struct diag_dgram *)0) = %u\n", (unsigned int)((((struct diag_dgram *)0)->text)-(char *)((struct diag_dgram *)0))); |
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| 40 | #if _WITH_SOCKET && (_WITH_IP4 || _WITH_IP6) |
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| 41 | fprintf(outfile, "\nIP INTERFACES\n"); |
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| 42 | iffan(outfile); |
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| 43 | #endif |
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| 44 | return 0; |
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| 45 | } |
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| 46 | |||
| 47 | #if _WITH_SOCKET && (_WITH_IP4 || _WITH_IP6) |
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| 48 | static int iffan(FILE *outfile) { |
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| 49 | /* Linux: man 7 netdevice */ |
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| 50 | /* FreeBSD, NetBSD: man 4 networking */ |
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| 51 | /* Solaris: man 7 if_tcp */ |
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| 52 | |||
| 53 | /* currently we support Linux and a little FreeBSD */ |
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| 54 | #ifdef SIOCGIFCONF /* not Solaris */ |
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| 55 | |||
| 56 | #define IFBUFSIZ 32*sizeof(struct ifreq) /*1024*/ |
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| 57 | int s; |
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| 58 | unsigned char buff[IFBUFSIZ]; |
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| 59 | struct ifconf ic; |
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| 60 | int i; |
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| 61 | |||
| 62 | if ((s = Socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0) { |
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| 63 | Error1("socket(PF_INET, SOCK_DGRAM, IPPROTO_IP): %s", strerror(errno)); |
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| 64 | return -1; |
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| 65 | } |
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| 66 | |||
| 67 | for (i=0; i < IFBUFSIZ; ++i) { |
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| 68 | buff[i] = 255; |
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| 69 | } |
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| 70 | ic.ifc_len = sizeof(buff); |
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| 71 | ic.ifc_ifcu.ifcu_buf = (caddr_t)buff; |
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| 72 | if (Ioctl(s, SIOCGIFCONF, &ic) < 0) { |
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| 73 | Error3("ioctl(%d, SIOCGIFCONF, %p): %s", s, &ic, strerror(errno)); |
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| 74 | return -1; |
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| 75 | } |
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| 76 | |||
| 77 | for (i = 0; i < ic.ifc_len; i += sizeof(struct ifreq)) { |
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| 78 | struct ifreq *ifp = (struct ifreq *)((caddr_t)ic.ifc_req + i); |
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| 79 | #if 0 || defined(SIOCGIFINDEX) /* not NetBSD, OpenBSD */ |
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| 80 | struct ifreq ifr; |
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| 81 | #endif |
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| 82 | |||
| 83 | #if 0 || defined(SIOCGIFINDEX) /* not NetBSD, OpenBSD */ |
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| 84 | strcpy(ifr.ifr_name, ifp->ifr_name); |
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| 85 | if (Ioctl(s, SIOCGIFINDEX, &ifr) < 0) { |
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| 86 | Error3("ioctl(%d, SIOCGIFINDEX, {\"%s\"}): %s", |
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| 87 | s, ifr.ifr_name, strerror(errno)); |
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| 88 | return 1; |
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| 89 | } |
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| 90 | #if HAVE_STRUCT_IFREQ_IFR_INDEX |
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| 91 | fprintf(outfile, "%2d: %s\n", ifr.ifr_index, ifp->ifr_name); |
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| 92 | #elif HAVE_STRUCT_IFREQ_IFR_IFINDEX |
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| 93 | fprintf(outfile, "%2d: %s\n", ifr.ifr_ifindex, ifp->ifr_name); |
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| 94 | #endif /* HAVE_STRUCT_IFREQ_IFR_INDEX */ |
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| 95 | #else /* !defined(SIOCGIFINDEX) */ |
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| 96 | fprintf(outfile, "%2d: %s\n", i/(int)sizeof(struct ifreq), ifp->ifr_name); |
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| 97 | #endif /* defined(SIOCGIFINDEX) */ |
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| 98 | } |
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| 99 | Close(s); |
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| 100 | #endif /* defined(SIOCGIFCONF) */ |
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| 101 | return 0; |
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| 102 | } |
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| 103 | #endif /* _WITH_SOCKET */ |