diff options
Diffstat (limited to 'udev.c')
| -rw-r--r-- | udev.c | 82 |
1 files changed, 66 insertions, 16 deletions
@@ -34,8 +34,19 @@ #include "udevdb.h" #include "libsysfs/libsysfs.h" +/* global variables */ +char **main_argv; +char **main_envp; + +char sysfs_path[SYSFS_PATH_MAX]; +char *udev_config_dir; +char *udev_root; +char udev_db_filename[PATH_MAX+NAME_MAX]; +char udev_config_permission_filename[PATH_MAX+NAME_MAX]; +char udev_config_filename[PATH_MAX+NAME_MAX]; + -static char *get_action(void) +static inline char *get_action(void) { char *action; @@ -43,22 +54,60 @@ static char *get_action(void) return action; } +static inline char *get_devpath(void) +{ + char *devpath; + + devpath = getenv("DEVPATH"); + return devpath; +} -static char *get_device(void) +static inline char *get_seqnum(void) { - char *device; + char *seqnum; - device = getenv("DEVPATH"); - return device; + seqnum = getenv("SEQNUM"); + return seqnum; } -char **main_argv; -char **main_envp; +static void get_dirs(void) +{ + char *udev_test; + char *temp; + int retval; + + udev_test = getenv("UDEV_TEST"); + if (udev_test == NULL) { + /* normal operation, use the compiled in defaults */ + udev_config_dir = UDEV_CONFIG_DIR; + udev_root = UDEV_ROOT; + retval = sysfs_get_mnt_path(sysfs_path, SYSFS_PATH_MAX); + dbg("sysfs_path = %s", sysfs_path); + if (retval) + dbg("sysfs_get_mnt_path failed"); + + } else { + /* hm testing is happening, use the specified values */ + temp = getenv("UDEV_SYSFS_PATH"); + strncpy(sysfs_path, temp, sizeof(sysfs_path)); + udev_config_dir = getenv("UDEV_CONFIG_DIR"); + udev_root = getenv("UDEV_ROOT"); + } + + strncpy(udev_db_filename, udev_config_dir, sizeof(udev_db_filename)); + strncat(udev_db_filename, UDEV_DB, sizeof(udev_db_filename)); + + strncpy(udev_config_filename, udev_config_dir, sizeof(udev_config_filename)); + strncat(udev_config_filename, NAMEDEV_CONFIG_FILE, sizeof(udev_config_filename)); + + strncpy(udev_config_permission_filename, udev_config_dir, sizeof(udev_config_permission_filename)); + strncat(udev_config_permission_filename, NAMEDEV_CONFIG_PERMISSION_FILE, sizeof(udev_config_permission_filename)); +} int main(int argc, char **argv, char **envp) { char *action; - char *device; + char *devpath; char *subsystem; int retval = -EINVAL; @@ -74,16 +123,16 @@ int main(int argc, char **argv, char **envp) subsystem = argv[1]; - device = get_device(); - if (!device) { - dbg ("no device?"); + devpath = get_devpath(); + if (!devpath) { + dbg ("no devpath?"); goto exit; } - dbg("looking at %s", device); + dbg("looking at %s", devpath); /* we only care about class devices and block stuff */ - if (!strstr(device, "class") && - !strstr(device, "block")) { + if (!strstr(devpath, "class") && + !strstr(devpath, "block")) { dbg("not block or class"); goto exit; } @@ -101,6 +150,7 @@ int main(int argc, char **argv, char **envp) } /* initialize udev database */ + get_dirs(); retval = udevdb_init(UDEVDB_DEFAULT); if (retval != 0) { dbg("Unable to initialize database."); @@ -111,10 +161,10 @@ int main(int argc, char **argv, char **envp) namedev_init(); if (strcmp(action, "add") == 0) - retval = udev_add_device(device, argv[1]); + retval = udev_add_device(devpath, subsystem); else if (strcmp(action, "remove") == 0) - retval = udev_remove_device(device, argv[1]); + retval = udev_remove_device(devpath, subsystem); else { dbg("Unknown action: %s", action); |