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FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //compat/linux/proc/self/root/usr/src/usr.bin/procstat/procstat_files.c |
/*- * Copyright (c) 2007-2011 Robert N. M. Watson * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD: release/9.1.0/usr.bin/procstat/procstat_files.c 236698 2012-06-06 21:49:31Z jhb $ */ #include <sys/param.h> #include <sys/capability.h> #include <sys/socket.h> #include <sys/sysctl.h> #include <sys/un.h> #include <sys/user.h> #include <netinet/in.h> #include <arpa/inet.h> #include <err.h> #include <libprocstat.h> #include <inttypes.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include "procstat.h" static const char * protocol_to_string(int domain, int type, int protocol) { switch (domain) { case AF_INET: case AF_INET6: switch (protocol) { case IPPROTO_TCP: return ("TCP"); case IPPROTO_UDP: return ("UDP"); case IPPROTO_ICMP: return ("ICM"); case IPPROTO_RAW: return ("RAW"); case IPPROTO_SCTP: return ("SCT"); case IPPROTO_DIVERT: return ("IPD"); default: return ("IP?"); } case AF_LOCAL: switch (type) { case SOCK_STREAM: return ("UDS"); case SOCK_DGRAM: return ("UDD"); default: return ("UD?"); } default: return ("?"); } } static void addr_to_string(struct sockaddr_storage *ss, char *buffer, int buflen) { char buffer2[INET6_ADDRSTRLEN]; struct sockaddr_in6 *sin6; struct sockaddr_in *sin; struct sockaddr_un *sun; switch (ss->ss_family) { case AF_LOCAL: sun = (struct sockaddr_un *)ss; if (strlen(sun->sun_path) == 0) strlcpy(buffer, "-", buflen); else strlcpy(buffer, sun->sun_path, buflen); break; case AF_INET: sin = (struct sockaddr_in *)ss; snprintf(buffer, buflen, "%s:%d", inet_ntoa(sin->sin_addr), ntohs(sin->sin_port)); break; case AF_INET6: sin6 = (struct sockaddr_in6 *)ss; if (inet_ntop(AF_INET6, &sin6->sin6_addr, buffer2, sizeof(buffer2)) != NULL) snprintf(buffer, buflen, "%s.%d", buffer2, ntohs(sin6->sin6_port)); else strlcpy(buffer, "-", sizeof(buffer)); break; default: strlcpy(buffer, "", buflen); break; } } static void print_address(struct sockaddr_storage *ss) { char addr[PATH_MAX]; addr_to_string(ss, addr, sizeof(addr)); printf("%s", addr); } static struct cap_desc { cap_rights_t cd_right; const char *cd_desc; } cap_desc[] = { /* General file I/O. */ { CAP_READ, "rd" }, { CAP_WRITE, "wr" }, { CAP_MMAP, "mm" }, { CAP_MAPEXEC, "me" }, { CAP_FEXECVE, "fe" }, { CAP_FSYNC, "fy" }, { CAP_FTRUNCATE, "ft" }, { CAP_SEEK, "se" }, /* VFS methods. */ { CAP_FCHFLAGS, "cf" }, { CAP_FCHDIR, "cd" }, { CAP_FCHMOD, "cm" }, { CAP_FCHOWN, "cn" }, { CAP_FCNTL, "fc" }, { CAP_FPATHCONF, "fp" }, { CAP_FLOCK, "fl" }, { CAP_FSCK, "fk" }, { CAP_FSTAT, "fs" }, { CAP_FSTATFS, "sf" }, { CAP_FUTIMES, "fu" }, { CAP_CREATE, "cr" }, { CAP_DELETE, "de" }, { CAP_MKDIR, "md" }, { CAP_RMDIR, "rm" }, { CAP_MKFIFO, "mf" }, /* Lookups - used to constraint *at() calls. */ { CAP_LOOKUP, "lo" }, /* Extended attributes. */ { CAP_EXTATTR_GET, "eg" }, { CAP_EXTATTR_SET, "es" }, { CAP_EXTATTR_DELETE, "ed" }, { CAP_EXTATTR_LIST, "el" }, /* Access Control Lists. */ { CAP_ACL_GET, "ag" }, { CAP_ACL_SET, "as" }, { CAP_ACL_DELETE, "ad" }, { CAP_ACL_CHECK, "ac" }, /* Socket operations. */ { CAP_ACCEPT, "at" }, { CAP_BIND, "bd" }, { CAP_CONNECT, "co" }, { CAP_GETPEERNAME, "pn" }, { CAP_GETSOCKNAME, "sn" }, { CAP_GETSOCKOPT, "gs" }, { CAP_LISTEN, "ln" }, { CAP_PEELOFF, "pf" }, { CAP_SETSOCKOPT, "ss" }, { CAP_SHUTDOWN, "sh" }, /* Mandatory Access Control. */ { CAP_MAC_GET, "mg" }, { CAP_MAC_SET, "ms" }, /* Methods on semaphores. */ { CAP_SEM_GETVALUE, "sg" }, { CAP_SEM_POST, "sp" }, { CAP_SEM_WAIT, "sw" }, /* Event monitoring and posting. */ { CAP_POLL_EVENT, "po" }, { CAP_POST_EVENT, "ev" }, /* Strange and powerful rights that should not be given lightly. */ { CAP_IOCTL, "io" }, { CAP_TTYHOOK, "ty" }, #ifdef NOTYET { CAP_PDGETPID, "pg" }, { CAP_PDWAIT4, "pw" }, { CAP_PDKILL, "pk" }, #endif }; static const u_int cap_desc_count = sizeof(cap_desc) / sizeof(cap_desc[0]); static u_int width_capability(cap_rights_t rights) { u_int count, i, width; count = 0; width = 0; for (i = 0; i < cap_desc_count; i++) { if (rights & cap_desc[i].cd_right) { width += strlen(cap_desc[i].cd_desc); if (count) width++; count++; } } return (width); } static void print_capability(cap_rights_t rights, u_int capwidth) { u_int count, i, width; count = 0; width = 0; for (i = width_capability(rights); i < capwidth; i++) { if (rights || i != 0) printf(" "); else printf("-"); } for (i = 0; i < cap_desc_count; i++) { if (rights & cap_desc[i].cd_right) { printf("%s%s", count ? "," : "", cap_desc[i].cd_desc); width += strlen(cap_desc[i].cd_desc); if (count) width++; count++; } } } void procstat_files(struct procstat *procstat, struct kinfo_proc *kipp) { struct sockstat sock; struct filestat_list *head; struct filestat *fst; const char *str; struct vnstat vn; u_int capwidth, width; int error; /* * To print the header in capability mode, we need to know the width * of the widest capability string. Even if we get no processes * back, we will print the header, so we defer aborting due to a lack * of processes until after the header logic. */ capwidth = 0; head = procstat_getfiles(procstat, kipp, 0); if (head != NULL && Cflag) { STAILQ_FOREACH(fst, head, next) { width = width_capability(fst->fs_cap_rights); if (width > capwidth) capwidth = width; } if (capwidth < strlen("CAPABILITIES")) capwidth = strlen("CAPABILITIES"); } if (!hflag) { if (Cflag) printf("%5s %-16s %4s %1s %-9s %-*s " "%-3s %-12s\n", "PID", "COMM", "FD", "T", "FLAGS", capwidth, "CAPABILITIES", "PRO", "NAME"); else printf("%5s %-16s %4s %1s %1s %-9s " "%3s %7s %-3s %-12s\n", "PID", "COMM", "FD", "T", "V", "FLAGS", "REF", "OFFSET", "PRO", "NAME"); } if (head == NULL) return; STAILQ_FOREACH(fst, head, next) { printf("%5d ", kipp->ki_pid); printf("%-16s ", kipp->ki_comm); if (fst->fs_uflags & PS_FST_UFLAG_CTTY) printf("ctty "); else if (fst->fs_uflags & PS_FST_UFLAG_CDIR) printf(" cwd "); else if (fst->fs_uflags & PS_FST_UFLAG_JAIL) printf("jail "); else if (fst->fs_uflags & PS_FST_UFLAG_RDIR) printf("root "); else if (fst->fs_uflags & PS_FST_UFLAG_TEXT) printf("text "); else if (fst->fs_uflags & PS_FST_UFLAG_TRACE) printf("trace "); else printf("%4d ", fst->fs_fd); switch (fst->fs_type) { case PS_FST_TYPE_VNODE: str = "v"; break; case PS_FST_TYPE_SOCKET: str = "s"; break; case PS_FST_TYPE_PIPE: str = "p"; break; case PS_FST_TYPE_FIFO: str = "f"; break; case PS_FST_TYPE_KQUEUE: str = "k"; break; case PS_FST_TYPE_CRYPTO: str = "c"; break; case PS_FST_TYPE_MQUEUE: str = "m"; break; case PS_FST_TYPE_SHM: str = "h"; break; case PS_FST_TYPE_PTS: str = "t"; break; case PS_FST_TYPE_SEM: str = "e"; break; case PS_FST_TYPE_NONE: case PS_FST_TYPE_UNKNOWN: default: str = "?"; break; } printf("%1s ", str); if (!Cflag) { str = "-"; if (fst->fs_type == PS_FST_TYPE_VNODE) { error = procstat_get_vnode_info(procstat, fst, &vn, NULL); switch (vn.vn_type) { case PS_FST_VTYPE_VREG: str = "r"; break; case PS_FST_VTYPE_VDIR: str = "d"; break; case PS_FST_VTYPE_VBLK: str = "b"; break; case PS_FST_VTYPE_VCHR: str = "c"; break; case PS_FST_VTYPE_VLNK: str = "l"; break; case PS_FST_VTYPE_VSOCK: str = "s"; break; case PS_FST_VTYPE_VFIFO: str = "f"; break; case PS_FST_VTYPE_VBAD: str = "x"; break; case PS_FST_VTYPE_VNON: case PS_FST_VTYPE_UNKNOWN: default: str = "?"; break; } } printf("%1s ", str); } printf("%s", fst->fs_fflags & PS_FST_FFLAG_READ ? "r" : "-"); printf("%s", fst->fs_fflags & PS_FST_FFLAG_WRITE ? "w" : "-"); printf("%s", fst->fs_fflags & PS_FST_FFLAG_APPEND ? "a" : "-"); printf("%s", fst->fs_fflags & PS_FST_FFLAG_ASYNC ? "s" : "-"); printf("%s", fst->fs_fflags & PS_FST_FFLAG_SYNC ? "f" : "-"); printf("%s", fst->fs_fflags & PS_FST_FFLAG_NONBLOCK ? "n" : "-"); printf("%s", fst->fs_fflags & PS_FST_FFLAG_DIRECT ? "d" : "-"); printf("%s", fst->fs_fflags & PS_FST_FFLAG_HASLOCK ? "l" : "-"); printf("%s ", fst->fs_fflags & PS_FST_FFLAG_CAPABILITY ? "c" : "-"); if (!Cflag) { if (fst->fs_ref_count > -1) printf("%3d ", fst->fs_ref_count); else printf("%3c ", '-'); if (fst->fs_offset > -1) printf("%7jd ", (intmax_t)fst->fs_offset); else printf("%7c ", '-'); } if (Cflag) { print_capability(fst->fs_cap_rights, capwidth); printf(" "); } switch (fst->fs_type) { case PS_FST_TYPE_SOCKET: error = procstat_get_socket_info(procstat, fst, &sock, NULL); if (error != 0) break; printf("%-3s ", protocol_to_string(sock.dom_family, sock.type, sock.proto)); /* * While generally we like to print two addresses, * local and peer, for sockets, it turns out to be * more useful to print the first non-nul address for * local sockets, as typically they aren't bound and * connected, and the path strings can get long. */ if (sock.dom_family == AF_LOCAL) { struct sockaddr_un *sun = (struct sockaddr_un *)&sock.sa_local; if (sun->sun_path[0] != 0) print_address(&sock.sa_local); else print_address(&sock.sa_peer); } else { print_address(&sock.sa_local); printf(" "); print_address(&sock.sa_peer); } break; default: printf("%-3s ", "-"); printf("%-18s", fst->fs_path != NULL ? fst->fs_path : "-"); } printf("\n"); } }