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#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <zlib.h>
#include <fcntl.h>
#include <stdlib.h>
#include <sys/utsname.h>
#include <sys/wait.h>
#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;
gzFile fd;
int rc, rmObj = 0;
int sparc64 = 0, i;
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 <path>] <module>.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 = strdup(sparc64 ?
"/modules/modules64.cgz" :
"/modules/modules.cgz");
}
file = argv[1];
if (access(file, R_OK)) {
/* Try two balls on sparc64, one elsewhere */
for (i = 0; ; i++) {
/* it might be having a ball */
fd = gzopen(ballPath, "r");
if (!fd) {
free(ballPath);
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)) {
if (i < sparc64) {
ballPath[strlen(ballPath)-5] = '5';
continue;
}
free(ballPath);
return 1;
}
rmObj = 1;
file = finalName;
break;
}
}
free(ballPath);
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;
}
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