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| author | Erik Andersen <andersen@codepoet.org> | 1999-12-21 02:55:11 +0000 |
|---|---|---|
| committer | Erik Andersen <andersen@codepoet.org> | 1999-12-21 02:55:11 +0000 |
| commit | d387d01f11c3b9438322c951cd1eac8f29ea6afc (patch) | |
| tree | ed81f0f41ce4af3de74c5025180ca158f93f5809 /modutils | |
| parent | f294a0288d5f90616c5a096c2236442394112daa (diff) | |
| download | busybox-w32-d387d01f11c3b9438322c951cd1eac8f29ea6afc.tar.gz busybox-w32-d387d01f11c3b9438322c951cd1eac8f29ea6afc.tar.bz2 busybox-w32-d387d01f11c3b9438322c951cd1eac8f29ea6afc.zip | |
Sync to my local tree
Diffstat (limited to 'modutils')
| -rw-r--r-- | modutils/insmod.c | 101 |
1 files changed, 97 insertions, 4 deletions
diff --git a/modutils/insmod.c b/modutils/insmod.c index 9a0daa73b..9cb635f40 100644 --- a/modutils/insmod.c +++ b/modutils/insmod.c | |||
| @@ -29,6 +29,16 @@ | |||
| 29 | #include <sys/syscall.h> | 29 | #include <sys/syscall.h> |
| 30 | #include <linux/module.h> | 30 | #include <linux/module.h> |
| 31 | 31 | ||
| 32 | #define _PATH_MODULES "/lib/modules" | ||
| 33 | |||
| 34 | #warning "Danger Will Robinson, Danger!!!" | ||
| 35 | #warning " " | ||
| 36 | #warning "insmod is still under construction. Don't use it." | ||
| 37 | #warning " " | ||
| 38 | #warning " You have been warned!" | ||
| 39 | #warning " " | ||
| 40 | |||
| 41 | |||
| 32 | /* Some firendly syscalls to cheer everyone's day... */ | 42 | /* Some firendly syscalls to cheer everyone's day... */ |
| 33 | _syscall2(int, init_module, const char *, name, | 43 | _syscall2(int, init_module, const char *, name, |
| 34 | const struct module *, info) | 44 | const struct module *, info) |
| @@ -57,6 +67,8 @@ _syscall2(unsigned long, create_module, const char *, name, size_t, size) | |||
| 57 | #endif | 67 | #endif |
| 58 | 68 | ||
| 59 | 69 | ||
| 70 | static char m_filename[PATH_MAX] = "\0"; | ||
| 71 | static char m_fullName[PATH_MAX] ="\0"; | ||
| 60 | static const char insmod_usage[] = | 72 | static const char insmod_usage[] = |
| 61 | "insmod [OPTION]... MODULE [symbol=value]...\n\n" | 73 | "insmod [OPTION]... MODULE [symbol=value]...\n\n" |
| 62 | "Loads the specified kernel modules into the kernel.\n\n" | 74 | "Loads the specified kernel modules into the kernel.\n\n" |
| @@ -65,14 +77,32 @@ static const char insmod_usage[] = | |||
| 65 | "\t-k\tMake module autoclean-able.\n"; | 77 | "\t-k\tMake module autoclean-able.\n"; |
| 66 | 78 | ||
| 67 | 79 | ||
| 80 | static int findNamedModule(const char *fileName, struct stat* statbuf) | ||
| 81 | { | ||
| 82 | if (m_fullName[0]=='\0') | ||
| 83 | return( FALSE); | ||
| 84 | else { | ||
| 85 | char* tmp = strrchr( fileName, '/'); | ||
| 86 | if (tmp == NULL) | ||
| 87 | tmp = (char*)fileName; | ||
| 88 | else | ||
| 89 | tmp++; | ||
| 90 | if (check_wildcard_match(tmp, m_fullName) == TRUE) { | ||
| 91 | /* Stop searching if we find a match */ | ||
| 92 | memcpy(m_filename, fileName, strlen(fileName)); | ||
| 93 | return( FALSE); | ||
| 94 | } | ||
| 95 | } | ||
| 96 | return( TRUE); | ||
| 97 | } | ||
| 98 | |||
| 68 | 99 | ||
| 69 | extern int insmod_main(int argc, char **argv) | 100 | extern int insmod_main(int argc, char **argv) |
| 70 | { | 101 | { |
| 71 | int len; | 102 | int len; |
| 72 | char m_name[PATH_MAX]; | 103 | char *tmp; |
| 73 | char* tmp; | 104 | char m_name[PATH_MAX] ="\0"; |
| 74 | 105 | FILE *fp; | |
| 75 | |||
| 76 | 106 | ||
| 77 | if (argc<=1) { | 107 | if (argc<=1) { |
| 78 | usage( insmod_usage); | 108 | usage( insmod_usage); |
| @@ -105,9 +135,72 @@ extern int insmod_main(int argc, char **argv) | |||
| 105 | if (len > 2 && tmp[len - 2] == '.' && tmp[len - 1] == 'o') | 135 | if (len > 2 && tmp[len - 2] == '.' && tmp[len - 1] == 'o') |
| 106 | len -= 2; | 136 | len -= 2; |
| 107 | memcpy(m_name, tmp, len); | 137 | memcpy(m_name, tmp, len); |
| 138 | strcpy(m_fullName, m_name); | ||
| 139 | strcat(m_fullName, ".o"); | ||
| 140 | |||
| 141 | /* Get a filedesc for the module */ | ||
| 142 | if ((fp = fopen(*argv, "r")) == NULL) { | ||
| 143 | /* Hmpf. Could not open it. Search through _PATH_MODULES to find a module named m_name */ | ||
| 144 | if (recursiveAction(_PATH_MODULES, TRUE, FALSE, FALSE, | ||
| 145 | findNamedModule, findNamedModule) == FALSE) { | ||
| 146 | if ( m_filename[0] == '\0' || ((fp = fopen(m_filename, "r")) == NULL)) { | ||
| 147 | perror("No module by that name found in " _PATH_MODULES "\n"); | ||
| 148 | exit( FALSE); | ||
| 149 | } | ||
| 150 | } | ||
| 151 | } else | ||
| 152 | memcpy(m_filename, *argv, strlen(*argv)); | ||
| 108 | 153 | ||
| 154 | |||
| 155 | fprintf(stderr, "m_filename='%s'\n", m_filename); | ||
| 109 | fprintf(stderr, "m_name='%s'\n", m_name); | 156 | fprintf(stderr, "m_name='%s'\n", m_name); |
| 110 | 157 | ||
| 158 | |||
| 159 | /* TODO: do something roughtly like this... */ | ||
| 160 | #if 0 | ||
| 161 | |||
| 162 | if ((f = obj_load(fp)) == NULL) { | ||
| 163 | perror("Could not load the module\n"); | ||
| 164 | exit( FALSE); | ||
| 165 | } | ||
| 111 | 166 | ||
| 167 | /* Let the module know about the kernel symbols. */ | ||
| 168 | add_kernel_symbols(f); | ||
| 169 | |||
| 170 | if (!create_this_module(f, m_name)) { | ||
| 171 | perror("Could not create the module\n"); | ||
| 172 | exit( FALSE); | ||
| 173 | } | ||
| 174 | |||
| 175 | if (!obj_check_undefineds(f, quiet)) { | ||
| 176 | perror("Undefined symbols in the module\n"); | ||
| 177 | exit( FALSE); | ||
| 178 | } | ||
| 179 | obj_allocate_commons(f); | ||
| 180 | |||
| 181 | /* Perse the module's arguments */ | ||
| 182 | while (argc-- >0 && *(argv++) != '\0') { | ||
| 183 | if (!process_module_arguments(f, argc - optind, argv + optind)) { | ||
| 184 | perror("Undefined symbols in the module\n"); | ||
| 185 | exit( FALSE); | ||
| 186 | } | ||
| 187 | } | ||
| 188 | |||
| 189 | /* Find current size of the module */ | ||
| 190 | m_size = obj_load_size(f); | ||
| 191 | |||
| 192 | |||
| 193 | errno = 0; | ||
| 194 | m_addr = create_module(m_name, m_size); | ||
| 195 | switch (errno) { | ||
| 196 | /* yada yada */ | ||
| 197 | default: | ||
| 198 | perror("create_module: %m"); | ||
| 199 | |||
| 200 | } | ||
| 201 | |||
| 202 | #endif | ||
| 203 | |||
| 204 | fclose( fp); | ||
| 112 | exit( TRUE); | 205 | exit( TRUE); |
| 113 | } | 206 | } |
