diff options
Diffstat (limited to 'modutils')
| -rw-r--r-- | modutils/insmod.c | 93 |
1 files changed, 48 insertions, 45 deletions
diff --git a/modutils/insmod.c b/modutils/insmod.c index 27f4a50..bc7f658 100644 --- a/modutils/insmod.c +++ b/modutils/insmod.c @@ -124,7 +124,7 @@ #ifndef MODUTILS_MODULE_H static const int MODUTILS_MODULE_H = 1; -#ident "$Id: insmod.c,v 1.60 2001/04/26 19:29:58 andersen Exp $" +#ident "$Id: insmod.c,v 1.61 2001/05/14 17:07:32 andersen Exp $" /* This file contains the structures used by the 2.0 and 2.1 kernels. We do not use the kernel headers directly because we do not wish @@ -330,7 +330,7 @@ int delete_module(const char *); #ifndef MODUTILS_OBJ_H static const int MODUTILS_OBJ_H = 1; -#ident "$Id: insmod.c,v 1.60 2001/04/26 19:29:58 andersen Exp $" +#ident "$Id: insmod.c,v 1.61 2001/05/14 17:07:32 andersen Exp $" /* The relocatable object is manipulated using elfin types. */ @@ -677,50 +677,35 @@ size_t nksyms; struct external_module *ext_modules; int n_ext_modules; int n_ext_modules_used; - - extern int delete_module(const char *); +static char m_filename[FILENAME_MAX + 1]; +static char m_fullName[FILENAME_MAX + 1]; -/* This is kind of troublesome. See, we don't actually support - the m68k or the arm the same way we support i386 and (now) - sh. In doing my SH patch, I just assumed that whatever works - for i386 also works for m68k and arm since currently insmod.c - does nothing special for them. If this isn't true, the below - line is rather misleading IMHO, and someone should either - change it or add more proper architecture-dependent support - for these boys. - -- Bryan Rittmeyer <bryan@ixiacom.com> */ - -static char m_filename[BUFSIZ + 1]; -static char m_fullName[BUFSIZ + 1]; /*======================================================================*/ -static int findNamedModule(const char *fileName, struct stat *statbuf, - void *userDate) +static int check_module_name_match(const char *filename, struct stat *statbuf, + void *userdata) { - char *fullName = (char *) userDate; - + char *fullname = (char *) userdata; - if (fullName[0] == '\0') + if (fullname[0] == '\0') return (FALSE); else { - char *tmp = strrchr((char *) fileName, '/'); - - if (tmp == NULL) - tmp = (char *) fileName; - else - tmp++; - if (check_wildcard_match(tmp, fullName) == TRUE) { + char *tmp, *tmp1 = strdup(filename); + tmp = get_last_path_component(tmp1); + if (strcmp(tmp, fullname) == 0) { + free(tmp1); /* Stop searching if we find a match */ - safe_strncpy(m_filename, fileName, sizeof(m_filename)); - return (FALSE); + safe_strncpy(m_filename, filename, sizeof(m_filename)); + return (TRUE); } + free(tmp1); } - return (TRUE); + return (FALSE); } @@ -3125,7 +3110,7 @@ extern int insmod_main( int argc, char **argv) FILE *fp; struct obj_file *f; struct stat st; - char m_name[BUFSIZ + 1] = "\0"; + char m_name[FILENAME_MAX + 1] = "\0"; int exit_status = EXIT_FAILURE; int m_has_modinfo; #ifdef BB_FEATURE_INSMOD_VERSION_CHECKING @@ -3152,7 +3137,7 @@ extern int insmod_main( int argc, char **argv) flag_export = 0; break; case 'o': /* name the output module */ - strncpy(m_name, optarg, BUFSIZ); + strncpy(m_name, optarg, FILENAME_MAX); break; case 'L': /* Stub warning */ /* This is needed for compatibility with modprobe. @@ -3186,24 +3171,42 @@ extern int insmod_main( int argc, char **argv) } strcat(m_fullName, ".o"); - /* Get a filedesc for the module */ + /* Get a filedesc for the module. Check we we have a complete path */ if (stat(argv[optind], &st) < 0 || !S_ISREG(st.st_mode) || (fp = fopen(argv[optind], "r")) == NULL) { - /* Hmpf. Could not open it. Search through _PATH_MODULES to find a module named m_name */ - if (recursive_action(_PATH_MODULES, TRUE, FALSE, FALSE, - findNamedModule, 0, m_fullName) == FALSE) + struct utsname myuname; + + /* Hmm. Could not open it. First search under /lib/modules/`uname -r`, + * but do not error out yet if we fail to find it... */ + if (uname(&myuname) == 0) { + char module_dir[FILENAME_MAX]; + snprintf (module_dir, sizeof(module_dir), "%s/%s", + _PATH_MODULES, myuname.release); + recursive_action(module_dir, TRUE, FALSE, FALSE, + check_module_name_match, 0, m_fullName); + } + + /* Check if we have found anything yet */ + if (m_filename[0] == '\0' || ((fp = fopen(m_filename, "r")) == NULL)) { - if (m_filename[0] == '\0' - || ((fp = fopen(m_filename, "r")) == NULL)) + /* No module found under /lib/modules/`uname -r`, this + * time cast the net a bit wider. Search /lib/modules/ */ + if (recursive_action(_PATH_MODULES, TRUE, FALSE, FALSE, + check_module_name_match, 0, m_fullName) == FALSE) { - error_msg("No module named '%s' found in '%s'", m_fullName, _PATH_MODULES); - return EXIT_FAILURE; - } - } else - error_msg_and_die("No module named '%s' found in '%s'", m_fullName, _PATH_MODULES); - } else + if (m_filename[0] == '\0' + || ((fp = fopen(m_filename, "r")) == NULL)) + { + error_msg("%s: no module by that name found", m_fullName); + return EXIT_FAILURE; + } + } else + error_msg_and_die("%s: no module by that name found", m_fullName); + } + } else safe_strncpy(m_filename, argv[optind], sizeof(m_filename)); + printf("Using %s\n", m_filename); if ((f = obj_load(fp)) == NULL) perror_msg_and_die("Could not load the module"); |