#include #include #include #include #include #include #include #include "cpio.h" #include "isys.h" /* hack */ int insmod_main(int argc, char ** argv); int insmod64_main(int argc, char ** argv); int rmmod_main(int argc, char ** argv); int ourInsmodCommand(int argc, char ** argv) { char * file; char finalName[100]; char * chptr; FD_t fd; int rc, rmObj = 0; int sparc64 = 0; char * ballPath = NULL; char fullName[100]; struct utsname u; uname(&u); #ifdef __sparc__ if (!strcmp(u.machine, "sparc64")) sparc64 = 1; #endif if (argc < 2) { fprintf(stderr, "usage: insmod [-p ] .o [params]\n"); return 1; } if (!strcmp(argv[1], "-p")) { ballPath = malloc(strlen(argv[2]) + 30); sprintf(ballPath, "%s/%s", argv[2], sparc64 ? "modules64.cgz" : "modules.cgz"); argv += 2; argc -= 2; } else { ballPath = sparc64 ? "/modules/modules64.cgz" : "/modules/modules.cgz"; } file = argv[1]; if (access(file, R_OK)) { /* it might be having a ball */ fd = fdOpen(ballPath, O_RDONLY, 0); if (fdFileno(fd) < 0) { return 1; } chptr = strrchr(file, '/'); if (chptr) file = chptr + 1; sprintf(finalName, "/tmp/%s", file); sprintf(fullName, "%s/%s", u.release, file); if (installCpioFile(fd, fullName, finalName, 0)) return 1; rmObj = 1; file = finalName; } argv[0] = "insmod"; argv[1] = file; #ifdef __sparc__ if (sparc64) rc = insmod64_main(argc, argv); else #endif rc = insmod_main(argc, argv); if (rmObj) unlink(file); return rc; } int rmmod(char * modName) { pid_t child; int status; char * argv[] = { "/bin/rmmod", modName, NULL }; int argc = 2; int rc = 0; if ((child = fork()) == 0) { exit(rmmod_main(argc, argv)); } waitpid(child, &status, 0); if (WIFEXITED(status)) rc = WEXITSTATUS(status); else rc = -1; return rc; } int insmod(char * modName, char * path, char ** args) { int argc; char ** argv; int rc = 0; pid_t child; int status; int count; argc = 0; for (argv = args; argv && *argv; argv++, argc++); argv = alloca(sizeof(*argv) * (argc + 5)); argv[0] = "/bin/insmod"; count = 1; if (path) { argv[1] = "-p"; argv[2] = path; count += 2; } argv[count] = modName; count++; if (args) memcpy(argv + count, args, sizeof(*args) * argc); argv[argc + count] = NULL; argc += count; if ((child = fork()) == 0) { exit(ourInsmodCommand(argc, argv)); } waitpid(child, &status, 0); if (WIFEXITED(status)) rc = WEXITSTATUS(status); else rc = -1; return rc; }