#ifndef MODUTILS_MODULE_H
-#define MODUTILS_MODULE_H 1
+static const int MODUTILS_MODULE_H = 1;
-#ident "$Id: insmod.c,v 1.30 2000/12/06 18:18:26 andersen Exp $"
+#ident "$Id: insmod.c,v 1.39 2001/01/24 23:59:50 andersen Exp $"
/* This file contains the structures used by the 2.0 and 2.1 kernels.
We do not use the kernel headers directly because we do not wish
};
/* Sent to init_module(2) or'ed into the code size parameter. */
-#define OLD_MOD_AUTOCLEAN 0x40000000 /* big enough, but no sign problems... */
+static const int OLD_MOD_AUTOCLEAN = 0x40000000; /* big enough, but no sign problems... */
int get_kernel_syms(struct old_kernel_sym *);
int old_sys_init_module(const char *name, char *code, unsigned codesize,
#undef tgt_sizeof_char_p
#undef tgt_sizeof_void_p
#undef tgt_long
-#define tgt_sizeof_long 8
-#define tgt_sizeof_char_p 8
-#define tgt_sizeof_void_p 8
+static const int tgt_sizeof_long = 8;
+static const int tgt_sizeof_char_p = 8;
+static const int tgt_sizeof_void_p = 8;
#define tgt_long long long
#endif
};
/* Bits of module.flags. */
-#define NEW_MOD_RUNNING 1
-#define NEW_MOD_DELETED 2
-#define NEW_MOD_AUTOCLEAN 4
-#define NEW_MOD_VISITED 8
-#define NEW_MOD_USED_ONCE 16
+static const int NEW_MOD_RUNNING = 1;
+static const int NEW_MOD_DELETED = 2;
+static const int NEW_MOD_AUTOCLEAN = 4;
+static const int NEW_MOD_VISITED = 8;
+static const int NEW_MOD_USED_ONCE = 16;
int new_sys_init_module(const char *name, const struct new_module *);
int query_module(const char *name, int which, void *buf, size_t bufsize,
/* Values for query_module's which. */
-#define QM_MODULES 1
-#define QM_DEPS 2
-#define QM_REFS 3
-#define QM_SYMBOLS 4
-#define QM_INFO 5
+static const int QM_MODULES = 1;
+static const int QM_DEPS = 2;
+static const int QM_REFS = 3;
+static const int QM_SYMBOLS = 4;
+static const int QM_INFO = 5;
/*======================================================================*/
/* The system calls unchanged between 2.0 and 2.1. */
#ifndef MODUTILS_OBJ_H
-#define MODUTILS_OBJ_H 1
+static const int MODUTILS_OBJ_H = 1;
-#ident "$Id: insmod.c,v 1.30 2000/12/06 18:18:26 andersen Exp $"
+#ident "$Id: insmod.c,v 1.39 2001/01/24 23:59:50 andersen Exp $"
/* The relocatable object is manipulated using elfin types. */
#define _PATH_MODULES "/lib/modules"
-#define STRVERSIONLEN 32
-
-#if !defined(BB_FEATURE_INSMOD_NEW_KERNEL) && !defined(BB_FEATURE_INSMOD_OLD_KERNEL)
-#error "Must have ether BB_FEATURE_INSMOD_NEW_KERNEL or BB_FEATURE_INSMOD_OLD_KERNEL defined"
-#endif
+static const int STRVERSIONLEN = 32;
/*======================================================================*/
-- Bryan Rittmeyer <bryan@ixiacom.com> */
-#ifdef BB_FEATURE_INSMOD_OLD_KERNEL
+#ifdef BB_FEATURE_OLD_MODULE_INTERFACE
_syscall1(int, get_kernel_syms, struct old_kernel_sym *, ks)
#endif
break;
default:
- printf("Warning: unhandled reloc %d\n",ELF32_R_TYPE(rel->r_info));
+ printf("Warning: unhandled reloc %d\n",(int)ELF32_R_TYPE(rel->r_info));
ret = obj_reloc_unhandled;
break;
}
/* Don't report an error if the symbol is coming from
the kernel or some external module. */
if (secidx <= SHN_HIRESERVE)
- errorMsg("%s multiply defined\n", name);
+ error_msg("%s multiply defined\n", name);
return sym;
}
}
/* Also check that the parameter was not resolved from the kernel. */
if (sym == NULL || sym->secidx > SHN_HIRESERVE) {
- errorMsg("symbol for parameter %s not found\n", p);
+ error_msg("symbol for parameter %s not found\n", p);
return 0;
}
str = alloca(strlen(q));
for (r = str, q++; *q != '"'; ++q, ++r) {
if (*q == '\0') {
- errorMsg("improperly terminated string argument for %s\n", p);
+ error_msg("improperly terminated string argument for %s\n", p);
return 0;
} else if (*q == '\\')
switch (*++q) {
#endif /* BB_FEATURE_INSMOD_VERSION_CHECKING */
-#ifdef BB_FEATURE_INSMOD_OLD_KERNEL
+#ifdef BB_FEATURE_OLD_MODULE_INTERFACE
/* Fetch all the symbols and divvy them up as appropriate for the modules. */
nks = get_kernel_syms(NULL);
if (nks < 0) {
- errorMsg("get_kernel_syms: %s: %s\n", m_name, strerror(errno));
+ perror_msg("get_kernel_syms: %s", m_name);
return 0;
}
ksym->name =
(unsigned long) str - (unsigned long) symtab;
- str = strcpy(str, sym->name) + 1;
+ strcpy(str, sym->name);
+ str += strlen(sym->name) + 1;
ksym++;
}
}
m_size | (flag_autoclean ? OLD_MOD_AUTOCLEAN
: 0), &routines, symtab);
if (ret)
- errorMsg("init_module: %s: %s\n", m_name, strerror(errno));
+ perror_msg("init_module: %s", m_name);
free(image);
free(symtab);
#define old_create_mod_use_count(x) TRUE
#define old_init_module(x, y, z) TRUE
-#endif /* BB_FEATURE_INSMOD_OLD_KERNEL */
+#endif /* BB_FEATURE_OLD_MODULE_INTERFACE */
p = get_modinfo_value(f, key);
key += 5;
if (p == NULL) {
- errorMsg("invalid parameter %s\n", key);
+ error_msg("invalid parameter %s\n", key);
return 0;
}
/* Also check that the parameter was not resolved from the kernel. */
if (sym == NULL || sym->secidx > SHN_HIRESERVE) {
- errorMsg("symbol for parameter %s not found\n", key);
+ error_msg("symbol for parameter %s not found\n", key);
return 0;
}
str = alloca(strlen(q));
for (r = str, q++; *q != '"'; ++q, ++r) {
if (*q == '\0') {
- errorMsg("improperly terminated string argument for %s\n",
+ error_msg("improperly terminated string argument for %s\n",
key);
return 0;
} else if (*q == '\\')
/* Get the size of each member */
/* Probably we should do that outside the loop ? */
if (!isdigit(*(p + 1))) {
- errorMsg("parameter type 'c' for %s must be followed by"
+ error_msg("parameter type 'c' for %s must be followed by"
" the maximum size\n", key);
return 0;
}
/* Check length */
if (strlen(str) >= charssize) {
- errorMsg("string too long for %s (max %ld)\n", key,
+ error_msg("string too long for %s (max %ld)\n", key,
charssize - 1);
return 0;
}
break;
default:
- errorMsg("unknown parameter type '%c' for %s\n", *p, key);
+ error_msg("unknown parameter type '%c' for %s\n", *p, key);
return 0;
}
}
case ',':
if (++n > max) {
- errorMsg("too many values for %s (max %d)\n", key, max);
+ error_msg("too many values for %s (max %d)\n", key, max);
return 0;
}
++q;
break;
default:
- errorMsg("invalid argument syntax for %s\n", key);
+ error_msg("invalid argument syntax for %s\n", key);
return 0;
}
}
end_of_arg:
if (n < min) {
- errorMsg("too few values for %s (min %d)\n", key, min);
+ error_msg("too few values for %s (min %d)\n", key, min);
return 0;
}
#endif /* BB_FEATURE_INSMOD_VERSION_CHECKING */
-#ifdef BB_FEATURE_INSMOD_NEW_KERNEL
+#ifdef BB_FEATURE_NEW_MODULE_INTERFACE
/* Fetch the loaded modules, and all currently exported symbols. */
module_names = xrealloc(module_names, bufsize = ret);
goto retry_modules_load;
}
- errorMsg("QM_MODULES: %s\n", strerror(errno));
+ perror_msg("QM_MODULES");
return 0;
}
/* The module was removed out from underneath us. */
continue;
}
- errorMsg("query_module: QM_INFO: %s: %s\n", mn, strerror(errno));
+ perror_msg("query_module: QM_INFO: %s", mn);
return 0;
}
/* The module was removed out from underneath us. */
continue;
default:
- errorMsg("query_module: QM_SYMBOLS: %s: %s\n", mn, strerror(errno));
+ perror_msg("query_module: QM_SYMBOLS: %s", mn);
return 0;
}
}
syms = xrealloc(syms, bufsize = ret);
goto retry_kern_sym_load;
}
- errorMsg("kernel: QM_SYMBOLS: %s\n", strerror(errno));
+ perror_msg("kernel: QM_SYMBOLS");
return 0;
}
nksyms = nsyms = ret;
ret = new_sys_init_module(m_name, (struct new_module *) image);
if (ret)
- errorMsg("init_module: %s: %s\n", m_name, strerror(errno));
+ perror_msg("init_module: %s", m_name);
free(image);
#define new_create_module_ksymtab(x)
#define query_module(v, w, x, y, z) -1
-#endif /* BB_FEATURE_INSMOD_NEW_KERNEL */
+#endif /* BB_FEATURE_NEW_MODULE_INTERFACE */
/*======================================================================*/
sym->secidx = SHN_ABS;
sym->value = 0;
} else {
- errorMsg("unresolved symbol %s\n", sym->name);
+ error_msg("unresolved symbol %s\n", sym->name);
ret = 0;
}
}
errmsg = "Unhandled relocation";
bad_reloc:
if (extsym) {
- errorMsg("%s of type %ld for %s\n", errmsg,
+ error_msg("%s of type %ld for %s\n", errmsg,
(long) ELFW(R_TYPE) (rel->r_info),
strtab + extsym->st_name);
} else {
- errorMsg("%s of type %ld\n", errmsg,
+ error_msg("%s of type %ld\n", errmsg,
(long) ELFW(R_TYPE) (rel->r_info));
}
ret = 0;
fseek(fp, 0, SEEK_SET);
if (fread(&f->header, sizeof(f->header), 1, fp) != 1) {
- errorMsg("error reading ELF header: %s\n", strerror(errno));
+ perror_msg("error reading ELF header");
return NULL;
}
|| f->header.e_ident[EI_MAG1] != ELFMAG1
|| f->header.e_ident[EI_MAG2] != ELFMAG2
|| f->header.e_ident[EI_MAG3] != ELFMAG3) {
- errorMsg("not an ELF file\n");
+ error_msg("not an ELF file\n");
return NULL;
}
if (f->header.e_ident[EI_CLASS] != ELFCLASSM
|| f->header.e_ident[EI_DATA] != ELFDATAM
|| f->header.e_ident[EI_VERSION] != EV_CURRENT
|| !MATCH_MACHINE(f->header.e_machine)) {
- errorMsg("ELF file not for this architecture\n");
+ error_msg("ELF file not for this architecture\n");
return NULL;
}
if (f->header.e_type != ET_REL) {
- errorMsg("ELF file not a relocatable object\n");
+ error_msg("ELF file not a relocatable object\n");
return NULL;
}
/* Read the section headers. */
if (f->header.e_shentsize != sizeof(ElfW(Shdr))) {
- errorMsg("section header size mismatch: %lu != %lu\n",
+ error_msg("section header size mismatch: %lu != %lu\n",
(unsigned long) f->header.e_shentsize,
(unsigned long) sizeof(ElfW(Shdr)));
return NULL;
section_headers = alloca(sizeof(ElfW(Shdr)) * shnum);
fseek(fp, f->header.e_shoff, SEEK_SET);
if (fread(section_headers, sizeof(ElfW(Shdr)), shnum, fp) != shnum) {
- errorMsg("error reading ELF section headers: %s\n", strerror(errno));
+ perror_msg("error reading ELF section headers");
return NULL;
}
sec->contents = xmalloc(sec->header.sh_size);
fseek(fp, sec->header.sh_offset, SEEK_SET);
if (fread(sec->contents, sec->header.sh_size, 1, fp) != 1) {
- errorMsg("error reading ELF section data: %s\n", strerror(errno));
+ perror_msg("error reading ELF section data");
return NULL;
}
} else {
#if SHT_RELM == SHT_REL
case SHT_RELA:
- errorMsg("RELA relocations not supported on this architecture\n");
+ error_msg("RELA relocations not supported on this architecture\n");
return NULL;
#else
case SHT_REL:
- errorMsg("REL relocations not supported on this architecture\n");
+ error_msg("REL relocations not supported on this architecture\n");
return NULL;
#endif
break;
}
- errorMsg("can't handle sections of type %ld\n",
+ error_msg("can't handle sections of type %ld\n",
(long) sec->header.sh_type);
return NULL;
}
ElfW(Sym) * sym;
if (sec->header.sh_entsize != sizeof(ElfW(Sym))) {
- errorMsg("symbol size mismatch: %lu != %lu\n",
+ error_msg("symbol size mismatch: %lu != %lu\n",
(unsigned long) sec->header.sh_entsize,
(unsigned long) sizeof(ElfW(Sym)));
return NULL;
case SHT_RELM:
if (sec->header.sh_entsize != sizeof(ElfW(RelM))) {
- errorMsg("relocation entry size mismatch: %lu != %lu\n",
+ error_msg("relocation entry size mismatch: %lu != %lu\n",
(unsigned long) sec->header.sh_entsize,
(unsigned long) sizeof(ElfW(RelM)));
return NULL;
extern int insmod_main( int argc, char **argv)
{
+ int opt;
int k_crcs;
int k_new_syscalls;
int len;
int m_crcs;
#endif
-
- if (argc <= 1) {
- usage(insmod_usage);
- }
-
/* Parse any options */
- while (--argc > 0 && **(++argv) == '-') {
- while (*(++(*argv))) {
- switch (**argv) {
+ while ((opt = getopt(argc, argv, "fkvxL")) > 0) {
+ switch (opt) {
case 'f': /* force loading */
flag_force_load = 1;
break;
case 'x': /* do not export externs */
flag_export = 0;
break;
+ case 'L': /* Stub warning */
+ /* This is needed for compatibility with modprobe.
+ * In theory, this does locking, but we don't do
+ * that. So be careful and plan your life around not
+ * loading the same module 50 times concurrently. */
+ break;
default:
usage(insmod_usage);
- }
}
}
-
- if (argc <= 0) {
+
+ if (argv[optind] == NULL) {
usage(insmod_usage);
}
+
/* Grab the module name */
- if ((tmp = strrchr(*argv, '/')) != NULL) {
+ if ((tmp = strrchr(argv[optind], '/')) != NULL) {
tmp++;
} else {
- tmp = *argv;
+ tmp = argv[optind];
}
len = strlen(tmp);
strcat(m_fullName, ".o");
/* Get a filedesc for the module */
- if ((fp = fopen(*argv, "r")) == NULL) {
+ if ((fp = fopen(argv[optind], "r")) == NULL) {
/* Hmpf. Could not open it. Search through _PATH_MODULES to find a module named m_name */
- if (recursiveAction(_PATH_MODULES, TRUE, FALSE, FALSE,
+ if (recursive_action(_PATH_MODULES, TRUE, FALSE, FALSE,
findNamedModule, 0, m_fullName) == FALSE)
{
if (m_filename[0] == '\0'
|| ((fp = fopen(m_filename, "r")) == NULL))
{
- errorMsg("No module named '%s' found in '%s'\n", m_fullName, _PATH_MODULES);
+ error_msg("No module named '%s' found in '%s'\n", m_fullName, _PATH_MODULES);
return EXIT_FAILURE;
}
} else
- fatalError("No module named '%s' found in '%s'\n", m_fullName, _PATH_MODULES);
+ error_msg_and_die("No module named '%s' found in '%s'\n", m_fullName, _PATH_MODULES);
} else
- memcpy(m_filename, *argv, strlen(*argv));
+ memcpy(m_filename, argv[optind], strlen(argv[optind]));
- if ((f = obj_load(fp)) == NULL) {
- perror("Could not load the module\n");
- return EXIT_FAILURE;
- }
+ if ((f = obj_load(fp)) == NULL)
+ perror_msg_and_die("Could not load the module");
if (get_modinfo_value(f, "kernel_version") == NULL)
m_has_modinfo = 0;
} else {
m_version = old_get_module_version(f, m_strversion);
if (m_version == -1) {
- errorMsg("couldn't find the kernel version the module was "
+ error_msg("couldn't find the kernel version the module was "
"compiled for\n");
goto out;
}
if (strncmp(k_strversion, m_strversion, STRVERSIONLEN) != 0) {
if (flag_force_load) {
- errorMsg("Warning: kernel-module version mismatch\n"
+ error_msg("Warning: kernel-module version mismatch\n"
"\t%s was compiled for kernel version %s\n"
"\twhile this kernel is version %s\n",
m_filename, m_strversion, k_strversion);
} else {
- errorMsg("kernel-module version mismatch\n"
+ error_msg("kernel-module version mismatch\n"
"\t%s was compiled for kernel version %s\n"
"\twhile this kernel is version %s.\n",
m_filename, m_strversion, k_strversion);
k_new_syscalls = !query_module(NULL, 0, NULL, 0, NULL);
if (k_new_syscalls) {
-#ifdef BB_FEATURE_INSMOD_NEW_KERNEL
+#ifdef BB_FEATURE_NEW_MODULE_INTERFACE
if (!new_get_kernel_symbols())
goto out;
k_crcs = new_is_kernel_checksummed();
#else
- errorMsg("Not configured to support new kernels\n");
+ error_msg("Not configured to support new kernels\n");
goto out;
#endif
} else {
-#ifdef BB_FEATURE_INSMOD_OLD_KERNEL
+#ifdef BB_FEATURE_OLD_MODULE_INTERFACE
if (!old_get_kernel_symbols(m_name))
goto out;
k_crcs = old_is_kernel_checksummed();
#else
- errorMsg("Not configured to support old kernels\n");
+ error_msg("Not configured to support old kernels\n");
goto out;
#endif
}
}
obj_allocate_commons(f);
+ /* done with the module name, on to the optional var=value arguments */
+ ++optind;
+
if (optind < argc) {
if (m_has_modinfo
? !new_process_module_arguments(f, argc - optind, argv + optind)
m_size = obj_load_size(f);
- errno = 0;
m_addr = create_module(m_name, m_size);
- switch (errno) {
- case 0:
- break;
+ if (m_addr==-1) switch (errno) {
case EEXIST:
- errorMsg("A module named %s already exists\n", m_name);
+ error_msg("A module named %s already exists\n", m_name);
goto out;
case ENOMEM:
- errorMsg("Can't allocate kernel memory for module; needed %lu bytes\n",
+ error_msg("Can't allocate kernel memory for module; needed %lu bytes\n",
m_size);
goto out;
default:
- errorMsg("create_module: %s: %s\n", m_name, strerror(errno));
+ perror_msg("create_module: %s", m_name);
goto out;
}
projects / oweals / busybox.git / blobdiff