[1108] | 1 | /* Copyright 2004 Red Hat, Inc. |
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| 2 | * |
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| 3 | * This program is free software; you can redistribute it and/or modify |
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| 4 | * it under the terms of the GNU General Public License, version 2, |
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| 5 | * as published by the Free Software Foundation. |
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| 6 | * |
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| 7 | * This program is distributed in the hope that it will be useful, |
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| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 10 | * GNU General Public License for more details. |
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| 11 | * |
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| 12 | * You should have received a copy of the GNU General Public License |
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| 13 | * along with this program; if not, write to the Free Software |
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| 14 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
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| 15 | */ |
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| 16 | |
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| 17 | #include <ctype.h> |
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| 18 | #include <fcntl.h> |
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| 19 | #include <stdio.h> |
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| 20 | #include <stdlib.h> |
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| 21 | #include <string.h> |
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| 22 | #include <unistd.h> |
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| 23 | #include <errno.h> |
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| 24 | |
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| 25 | #include <popt.h> |
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| 26 | |
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| 27 | #include <sys/mman.h> |
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| 28 | #include <sys/socket.h> |
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| 29 | #include <sys/types.h> |
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| 30 | #include <sys/un.h> |
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| 31 | #include <sys/utsname.h> |
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| 32 | |
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| 33 | #include <kudzu/kudzu.h> |
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| 34 | |
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| 35 | char *setupFile() |
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| 36 | { |
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| 37 | struct stat sbuf; |
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| 38 | char path[512]; |
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| 39 | int fd; |
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| 40 | struct utsname utsbuf; |
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| 41 | char *buf = NULL; |
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| 42 | |
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| 43 | uname(&utsbuf); |
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| 44 | snprintf(path,512,"/lib/modules/%s/modules.dep",utsbuf.release); |
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| 45 | if (!stat(path,&sbuf)) { |
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| 46 | fd = open(path,O_RDONLY); |
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| 47 | buf = mmap(0,sbuf.st_size,PROT_READ,MAP_SHARED,fd,0); |
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| 48 | close(fd); |
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| 49 | } |
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| 50 | return buf; |
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| 51 | } |
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| 52 | |
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| 53 | int isAvailable(char *modulename) |
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| 54 | { |
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| 55 | char mod_name[100]; |
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| 56 | static char *buf = NULL; |
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| 57 | |
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| 58 | if (!buf) { |
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| 59 | buf = setupFile(); |
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| 60 | if (!buf) |
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| 61 | return 0; |
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| 62 | } |
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| 63 | snprintf(mod_name,100,"/%s.ko:",modulename); |
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| 64 | if (strstr(buf,mod_name)) |
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| 65 | return 1; |
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| 66 | snprintf(mod_name,100,"/%s.ko.gz:",modulename); |
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| 67 | if (strstr(buf,mod_name)) |
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| 68 | return 1; |
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| 69 | return 0; |
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| 70 | } |
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| 71 | |
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| 72 | void waitForConnection(struct device **devlist) |
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| 73 | { |
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| 74 | int sock, fd, socklen, x; |
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| 75 | struct sockaddr_un addr; |
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| 76 | FILE *tmp; |
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| 77 | |
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| 78 | sock = socket(PF_UNIX, SOCK_STREAM, 0); |
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| 79 | if (sock == -1) return; |
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| 80 | memset(addr.sun_path,'\0',sizeof(addr.sun_path)); |
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| 81 | sprintf(addr.sun_path, "akudzu_config_socket"); |
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| 82 | addr.sun_family= AF_UNIX; |
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| 83 | addr.sun_path[0] = '\0'; |
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| 84 | if (bind(sock, &addr, sizeof(struct sockaddr_un)) == -1) |
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| 85 | return; |
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| 86 | if (listen(sock, 1) == -1) |
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| 87 | return; |
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| 88 | fd = accept(sock, &addr, &socklen); |
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| 89 | if (fd == -1) |
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| 90 | return; |
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| 91 | tmp = fdopen(fd,"w"); |
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| 92 | for (x = 0; devlist[x]; x++) { |
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| 93 | devlist[x]->writeDevice(tmp,devlist[x]); |
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| 94 | fflush(tmp); |
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| 95 | } |
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| 96 | fclose(tmp); |
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| 97 | close(sock); |
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| 98 | } |
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| 99 | |
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| 100 | int main(int argc, char **argv) |
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| 101 | { |
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| 102 | char *bus = NULL, *class = NULL; |
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| 103 | int x, rc, isdaemon = 0; |
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| 104 | enum deviceBus probeBus = BUS_UNSPEC & ~BUS_SERIAL; |
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| 105 | enum deviceClass probeClass = CLASS_UNSPEC & ~CLASS_FLOPPY & ~CLASS_HD & ~CLASS_CDROM; |
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| 106 | poptContext context; |
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| 107 | struct device **devs; |
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| 108 | struct poptOption options[] = { |
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| 109 | POPT_AUTOHELP |
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| 110 | { "bus", 'b', POPT_ARG_STRING, &bus, 0, |
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| 111 | "probe only the specified 'bus'", |
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| 112 | NULL |
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| 113 | }, |
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| 114 | { "class", 'c', POPT_ARG_STRING, &class, 0, |
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| 115 | "probe only for the specified 'class'", |
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| 116 | NULL |
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| 117 | }, |
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| 118 | { "daemon", 'd', POPT_ARG_NONE, &isdaemon, 0, |
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| 119 | NULL, NULL |
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| 120 | }, |
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| 121 | { 0, 0, 0, 0, 0, 0 } |
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| 122 | }; |
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| 123 | |
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| 124 | context = poptGetContext("kmodule", argc, (const char **)argv, options, 0); |
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| 125 | while ((rc = poptGetNextOpt(context)) > 0) { |
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| 126 | } |
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| 127 | if (( rc < -1)) { |
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| 128 | fprintf(stderr, "%s: %s\n", |
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| 129 | poptBadOption(context, POPT_BADOPTION_NOALIAS), |
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| 130 | poptStrerror(rc)); |
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| 131 | exit(-1); |
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| 132 | } |
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| 133 | |
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| 134 | if (bus) { |
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| 135 | for (x=0; bus[x]; x++) |
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| 136 | bus[x] = toupper(bus[x]); |
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| 137 | for (x=0; buses[x].string && strcmp(buses[x].string,bus); x++); |
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| 138 | if (buses[x].string) |
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| 139 | probeBus = buses[x].busType; |
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| 140 | } |
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| 141 | if (class) { |
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| 142 | for (x=0; class[x]; x++) |
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| 143 | class[x] = toupper(class[x]); |
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| 144 | for (x=0; classes[x].string && strcmp(classes[x].string,class); x++); |
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| 145 | if (classes[x].string) |
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| 146 | probeClass = classes[x].classType; |
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| 147 | } |
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| 148 | initializeBusDeviceList(probeBus); |
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| 149 | |
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| 150 | devs = probeDevices(probeClass, probeBus, PROBE_ALL|PROBE_NOLOAD|PROBE_SAFE); |
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| 151 | if (!devs) |
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| 152 | return 0; |
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| 153 | for (x = 0; devs[x]; x++) { |
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| 154 | if (devs[x]->driver && isAvailable(devs[x]->driver)) { |
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| 155 | int i; |
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| 156 | |
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| 157 | for (i = 0; classes[i].classType; i++) |
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| 158 | if (devs[x]->type == classes[i].classType) { |
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| 159 | break; |
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| 160 | } |
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| 161 | printf("%s %s\n",classes[i].string,devs[x]->driver); |
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| 162 | } |
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| 163 | } |
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| 164 | fflush(stdout); |
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| 165 | if (isdaemon) { |
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| 166 | daemon(0,0); |
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| 167 | waitForConnection(devs); |
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| 168 | } |
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| 169 | return 0; |
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| 170 | } |
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