X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=namedev.c;h=99542dc4d668a1216eb92e5f2ee7ee6cbfd1e718;hb=e308ebb70f9d1e389577c2a8829cf2d210cd6a19;hp=abed8685c8e7076af3d40c97a4a8af419fadde2c;hpb=c27e69116d3ef0ea069a3c5146009ced08a0238b;p=elogind.git diff --git a/namedev.c b/namedev.c index abed8685c..99542dc4d 100644 --- a/namedev.c +++ b/namedev.c @@ -21,7 +21,8 @@ * */ -#undef DEBUG +/* define this to enable parsing debugging */ +/* #define DEBUG_PARSER */ #include #include @@ -51,43 +52,43 @@ static void dump_dev(struct config_device *dev) { switch (dev->type) { case KERNEL_NAME: - dbg("KERNEL name ='%s'" + dbg_parse("KERNEL name ='%s'" " owner = '%s', group = '%s', mode = '%#o'", - dev->attr.name, - dev->attr.owner, dev->attr.group, dev->attr.mode); + dev->name, + dev->owner, dev->group, dev->mode); break; case LABEL: - dbg("LABEL name = '%s', bus = '%s', sysfs_file = '%s', sysfs_value = '%s'" + dbg_parse("LABEL name = '%s', bus = '%s', sysfs_file = '%s', sysfs_value = '%s'" " owner = '%s', group = '%s', mode = '%#o'", - dev->attr.name, dev->bus, dev->sysfs_file, dev->sysfs_value, - dev->attr.owner, dev->attr.group, dev->attr.mode); + dev->name, dev->bus, dev->sysfs_file, dev->sysfs_value, + dev->owner, dev->group, dev->mode); break; case NUMBER: - dbg("NUMBER name = '%s', bus = '%s', id = '%s'" + dbg_parse("NUMBER name = '%s', bus = '%s', id = '%s'" " owner = '%s', group = '%s', mode = '%#o'", - dev->attr.name, dev->bus, dev->id, - dev->attr.owner, dev->attr.group, dev->attr.mode); + dev->name, dev->bus, dev->id, + dev->owner, dev->group, dev->mode); break; case TOPOLOGY: - dbg("TOPOLOGY name = '%s', bus = '%s', place = '%s'" + dbg_parse("TOPOLOGY name = '%s', bus = '%s', place = '%s'" " owner = '%s', group = '%s', mode = '%#o'", - dev->attr.name, dev->bus, dev->place, - dev->attr.owner, dev->attr.group, dev->attr.mode); + dev->name, dev->bus, dev->place, + dev->owner, dev->group, dev->mode); break; case REPLACE: - dbg("REPLACE name = %s, kernel_name = %s" + dbg_parse("REPLACE name = %s, kernel_name = %s" " owner = '%s', group = '%s', mode = '%#o'", - dev->attr.name, dev->kernel_name, - dev->attr.owner, dev->attr.group, dev->attr.mode); + dev->name, dev->kernel_name, + dev->owner, dev->group, dev->mode); break; case CALLOUT: - dbg("CALLOUT name = '%s', program ='%s', bus = '%s', id = '%s'" + dbg_parse("CALLOUT name = '%s', program ='%s', bus = '%s', id = '%s'" " owner = '%s', group = '%s', mode = '%#o'", - dev->attr.name, dev->exec_program, dev->bus, dev->id, - dev->attr.owner, dev->attr.group, dev->attr.mode); + dev->name, dev->exec_program, dev->bus, dev->id, + dev->owner, dev->group, dev->mode); break; default: - dbg("Unknown type of device!"); + dbg_parse("Unknown type of device!"); } } @@ -108,18 +109,18 @@ static int add_dev(struct config_device *new_dev) * this one... */ list_for_each(tmp, &config_device_list) { struct config_device *dev = list_entry(tmp, struct config_device, node); - if (strcmp(dev->attr.name, new_dev->attr.name) == 0) { + if (strcmp(dev->name, new_dev->name) == 0) { /* the same, copy the new info into this structure */ copy_var(dev, new_dev, type); - copy_var(dev, new_dev, attr.mode); + copy_var(dev, new_dev, mode); copy_string(dev, new_dev, bus); copy_string(dev, new_dev, sysfs_file); copy_string(dev, new_dev, sysfs_value); copy_string(dev, new_dev, id); copy_string(dev, new_dev, place); copy_string(dev, new_dev, kernel_name); - copy_string(dev, new_dev, attr.owner); - copy_string(dev, new_dev, attr.group); + copy_string(dev, new_dev, owner); + copy_string(dev, new_dev, group); return 0; } } @@ -196,7 +197,6 @@ static int get_pair(char **orig_string, char **left, char **right) static int namedev_init_config(void) { - char filename[255]; char line[255]; char *temp; char *temp2; @@ -205,11 +205,10 @@ static int namedev_init_config(void) int retval = 0; struct config_device dev; - strcpy(filename, NAMEDEV_CONFIG_ROOT NAMEDEV_CONFIG_FILE); - dbg("opening %s to read as permissions config", filename); - fd = fopen(filename, "r"); + dbg("opening %s to read as config", udev_config_filename); + fd = fopen(udev_config_filename, "r"); if (fd == NULL) { - dbg("Can't open %s", filename); + dbg("Can't open %s", udev_config_filename); return -ENODEV; } @@ -220,7 +219,7 @@ static int namedev_init_config(void) if (temp == NULL) break; - dbg("read %s", temp); + dbg_parse("read %s", temp); /* eat the whitespace at the beginning of the line */ while (isspace(*temp)) @@ -261,9 +260,12 @@ static int namedev_init_config(void) retval = get_value("NAME", &temp, &temp3); if (retval) continue; - strcpy(dev.attr.name, temp3); + strcpy(dev.name, temp3); - dbg("LABEL name = '%s', bus = '%s', sysfs_file = '%s', sysfs_value = '%s'", dev.attr.name, dev.bus, dev.sysfs_file, dev.sysfs_value); + dbg_parse("LABEL name = '%s', bus = '%s', " + "sysfs_file = '%s', sysfs_value = '%s'", + dev.name, dev.bus, dev.sysfs_file, + dev.sysfs_value); } if (strcasecmp(temp2, TYPE_NUMBER) == 0) { @@ -288,9 +290,10 @@ static int namedev_init_config(void) retval = get_value("NAME", &temp, &temp3); if (retval) continue; - strcpy(dev.attr.name, temp3); + strcpy(dev.name, temp3); - dbg("NUMBER name = '%s', bus = '%s', id = '%s'", dev.attr.name, dev.bus, dev.id); + dbg_parse("NUMBER name = '%s', bus = '%s', id = '%s'", + dev.name, dev.bus, dev.id); } if (strcasecmp(temp2, TYPE_TOPOLOGY) == 0) { @@ -315,9 +318,10 @@ static int namedev_init_config(void) retval = get_value("NAME", &temp, &temp3); if (retval) continue; - strcpy(dev.attr.name, temp3); + strcpy(dev.name, temp3); - dbg("TOPOLOGY name = '%s', bus = '%s', place = '%s'", dev.attr.name, dev.bus, dev.place); + dbg_parse("TOPOLOGY name = '%s', bus = '%s', place = '%s'", + dev.name, dev.bus, dev.place); } if (strcasecmp(temp2, TYPE_REPLACE) == 0) { @@ -335,8 +339,9 @@ static int namedev_init_config(void) retval = get_value("NAME", &temp, &temp3); if (retval) continue; - strcpy(dev.attr.name, temp3); - dbg("REPLACE name = %s, kernel_name = %s", dev.attr.name, dev.kernel_name); + strcpy(dev.name, temp3); + dbg_parse("REPLACE name = %s, kernel_name = %s", + dev.name, dev.kernel_name); } if (strcasecmp(temp2, TYPE_CALLOUT) == 0) { /* number type */ @@ -367,8 +372,9 @@ static int namedev_init_config(void) retval = get_value("NAME", &temp, &temp3); if (retval) continue; - strcpy(dev.attr.name, temp3); - dbg("CALLOUT name = %s, program = %s", dev.attr.name, dev.exec_program); + strcpy(dev.name, temp3); + dbg_parse("CALLOUT name = %s, program = %s", + dev.name, dev.exec_program); } retval = add_dev(&dev); @@ -386,7 +392,6 @@ exit: static int namedev_init_permissions(void) { - char filename[255]; char line[255]; char *temp; char *temp2; @@ -394,11 +399,10 @@ static int namedev_init_permissions(void) int retval = 0; struct config_device dev; - strcpy(filename, NAMEDEV_CONFIG_ROOT NAMEDEV_CONFIG_PERMISSION_FILE); - dbg("opening %s to read as permissions config", filename); - fd = fopen(filename, "r"); + dbg("opening %s to read as permissions config", udev_config_permission_filename); + fd = fopen(udev_config_permission_filename, "r"); if (fd == NULL) { - dbg("Can't open %s", filename); + dbg("Can't open %s", udev_config_permission_filename); return -ENODEV; } @@ -409,7 +413,7 @@ static int namedev_init_permissions(void) if (temp == NULL) break; - dbg("read %s", temp); + dbg_parse("read %s", temp); /* eat the whitespace at the beginning of the line */ while (isspace(*temp)) @@ -427,17 +431,19 @@ static int namedev_init_permissions(void) /* parse the line */ temp2 = strsep(&temp, ":"); - strncpy(dev.attr.name, temp2, sizeof(dev.attr.name)); + strncpy(dev.name, temp2, sizeof(dev.name)); temp2 = strsep(&temp, ":"); - strncpy(dev.attr.owner, temp2, sizeof(dev.attr.owner)); + strncpy(dev.owner, temp2, sizeof(dev.owner)); temp2 = strsep(&temp, ":"); - strncpy(dev.attr.group, temp2, sizeof(dev.attr.owner)); + strncpy(dev.group, temp2, sizeof(dev.owner)); - dev.attr.mode = strtol(temp, NULL, 8); + dev.mode = strtol(temp, NULL, 8); - dbg("name = %s, owner = %s, group = %s, mode = %#o", dev.attr.name, dev.attr.owner, dev.attr.group, dev.attr.mode); + dbg_parse("name = %s, owner = %s, group = %s, mode = %#o", + dev.name, dev.owner, dev.group, + dev.mode); retval = add_dev(&dev); if (retval) { dbg("add_dev returned with error %d", retval); @@ -450,7 +456,7 @@ exit: return retval; } -static int get_default_mode(struct sysfs_class_device *class_dev) +static mode_t get_default_mode(struct sysfs_class_device *class_dev) { /* just default everyone to rw for the world! */ return 0666; @@ -521,44 +527,49 @@ static int exec_callout(struct config_device *dev, char *value, int len) retval = -1; } +#ifndef __KLIBC__ if (!WIFEXITED(status) || (WEXITSTATUS(status) != 0)) { dbg("callout program status 0x%x", status); retval = -1; } +#endif } return retval; } -static int get_attr(struct sysfs_class_device *class_dev, struct device_attr *attr) +static int get_attr(struct sysfs_class_device *class_dev, struct udevice *udev) { struct list_head *tmp; int retval = 0; int found; - attr->mode = -1; + udev->mode = 0; if (class_dev->sysdevice) { - dbg("class_dev->sysdevice->directory->path = '%s'", class_dev->sysdevice->directory->path); - dbg("class_dev->sysdevice->bus_id = '%s'", class_dev->sysdevice->bus_id); + dbg_parse("class_dev->sysdevice->path = '%s'", class_dev->sysdevice->path); + dbg_parse("class_dev->sysdevice->bus_id = '%s'", class_dev->sysdevice->bus_id); } else { - dbg("class_dev->name = '%s'", class_dev->name); + dbg_parse("class_dev->name = '%s'", class_dev->name); } list_for_each(tmp, &config_device_list) { struct config_device *dev = list_entry(tmp, struct config_device, node); switch (dev->type) { case LABEL: { - char *temp; + struct sysfs_attribute *tmpattr = NULL; + struct sysfs_class_device *class_dev_parent = NULL; + char *temp = NULL; - dbg("LABEL: match file '%s' with value '%s'", dev->sysfs_file, dev->sysfs_value); + dbg_parse("LABEL: match file '%s' with value '%s'", + dev->sysfs_file, dev->sysfs_value); /* try to find the attribute in the class device directory */ - temp = sysfs_get_value_from_attributes(class_dev->directory->attributes, dev->sysfs_file); - if (temp) + tmpattr = sysfs_get_classdev_attr(class_dev, dev->sysfs_file); + if (tmpattr) goto label_found; - /* look in the class device device directory if present */ + /* look in the class device directory if present */ if (class_dev->sysdevice) { - temp = sysfs_get_value_from_attributes(class_dev->sysdevice->directory->attributes, dev->sysfs_file); - if (temp) + tmpattr = sysfs_get_device_attr(class_dev->sysdevice, dev->sysfs_file); + if (tmpattr) goto label_found; } @@ -566,64 +577,66 @@ static int get_attr(struct sysfs_class_device *class_dev, struct device_attr *at * as block partitions don't point to the physical device. Need to fix that * up in the kernel... */ - if (strstr(class_dev->directory->path, "block")) { - dbg("looking at block device..."); - if (isdigit(class_dev->directory->path[strlen(class_dev->directory->path)-1])) { + if (strstr(class_dev->path, "block")) { + dbg_parse("looking at block device..."); + if (isdigit(class_dev->path[strlen(class_dev->path)-1])) { char path[SYSFS_PATH_MAX]; - struct sysfs_class_device *class_dev_parent; - dbg("really is a partition..."); - strcpy(path, class_dev->directory->path); + dbg_parse("really is a partition..."); + strcpy(path, class_dev->path); temp = strrchr(path, '/'); *temp = 0x00; - dbg("looking for a class device at '%s'", path); + dbg_parse("looking for a class device at '%s'", path); class_dev_parent = sysfs_open_class_device(path); if (class_dev_parent == NULL) { - dbg ("sysfs_open_class_device failed"); + dbg("sysfs_open_class_device at '%s' failed", path); continue; } - dbg("class_dev_parent->name = %s", class_dev_parent->name); + dbg_parse("class_dev_parent->name = %s", class_dev_parent->name); /* try to find the attribute in the class device directory */ - temp = sysfs_get_value_from_attributes(class_dev_parent->directory->attributes, dev->sysfs_file); - if (temp) { - //sysfs_close_class_device(class_dev_parent); + tmpattr = sysfs_get_classdev_attr(class_dev_parent, dev->sysfs_file); + if (tmpattr) goto label_found; - } - /* look in the class device device directory if present */ + /* look in the class device directory if present */ if (class_dev_parent->sysdevice) { - temp = sysfs_get_value_from_attributes(class_dev_parent->sysdevice->directory->attributes, dev->sysfs_file); - if (temp) { - // sysfs_close_class_device(class_dev_parent); + tmpattr = sysfs_get_device_attr(class_dev_parent->sysdevice, dev->sysfs_file); + if (tmpattr) goto label_found; - } } } } + if (class_dev_parent) + sysfs_close_class_device(class_dev_parent); + continue; label_found: - temp[strlen(temp)-1] = 0x00; - dbg("file '%s' found with value '%s' compare with '%s'", dev->sysfs_file, temp, dev->sysfs_value); - if (strcmp(dev->sysfs_value, temp) != 0) + tmpattr->value[strlen(tmpattr->value)-1] = 0x00; + dbg_parse("file '%s' found with value '%s' compare with '%s'", dev->sysfs_file, tmpattr->value, dev->sysfs_value); + if (strcmp(dev->sysfs_value, tmpattr->value) != 0) { + if (class_dev_parent) + sysfs_close_class_device(class_dev_parent); continue; + } - strcpy(attr->name, dev->attr.name); - if (isdigit(class_dev->directory->path[strlen(class_dev->directory->path)-1])) { - temp[0] = class_dev->directory->path[strlen(class_dev->directory->path)-1]; - temp[1] = 0x00; - strcat(attr->name, temp); + strcpy(udev->name, dev->name); + if (isdigit(class_dev->path[strlen(class_dev->path)-1])) { + temp = &class_dev->path[strlen(class_dev->path)-1]; + strcat(udev->name, temp); } - if (dev->attr.mode != 0) { - attr->mode = dev->attr.mode; - strcpy(attr->owner, dev->attr.owner); - strcpy(attr->group, dev->attr.group); + if (dev->mode != 0) { + udev->mode = dev->mode; + strcpy(udev->owner, dev->owner); + strcpy(udev->group, dev->group); } - dbg("file '%s' with value '%s' becomes '%s' - owner = %s, group = %s, mode = %#o", - dev->sysfs_file, dev->sysfs_value, attr->name, - dev->attr.owner, dev->attr.group, dev->attr.mode); + dbg_parse("file '%s' with value '%s' becomes '%s' - owner = %s, group = %s, mode = %#o", + dev->sysfs_file, dev->sysfs_value, udev->name, + dev->owner, dev->group, dev->mode); + if (class_dev_parent) + sysfs_close_class_device(class_dev_parent); goto done; break; } @@ -635,31 +648,31 @@ label_found: found = 0; if (!class_dev->sysdevice) continue; - strcpy(path, class_dev->sysdevice->directory->path); + strcpy(path, class_dev->sysdevice->path); temp = strrchr(path, '/'); - dbg("NUMBER path = '%s'", path); - dbg("NUMBER temp = '%s' id = '%s'", temp, dev->id); + dbg_parse("NUMBER path = '%s'", path); + dbg_parse("NUMBER temp = '%s' id = '%s'", temp, dev->id); if (strstr(temp, dev->id) != NULL) { found = 1; } else { *temp = 0x00; temp = strrchr(path, '/'); - dbg("NUMBERY temp = '%s' id = '%s'", temp, dev->id); + dbg_parse("NUMBERY temp = '%s' id = '%s'", temp, dev->id); if (strstr(temp, dev->id) != NULL) found = 1; } if (!found) continue; - strcpy(attr->name, dev->attr.name); - if (dev->attr.mode != 0) { - attr->mode = dev->attr.mode; - strcpy(attr->owner, dev->attr.owner); - strcpy(attr->group, dev->attr.group); + strcpy(udev->name, dev->name); + if (dev->mode != 0) { + udev->mode = dev->mode; + strcpy(udev->owner, dev->owner); + strcpy(udev->group, dev->group); } - dbg("device id '%s' becomes '%s' - owner = %s, group = %s, mode = %#o", - dev->id, attr->name, - dev->attr.owner, dev->attr.group, dev->attr.mode); + dbg_parse("device id '%s' becomes '%s' - owner = %s, group = %s, mode = %#o", + dev->id, udev->name, + dev->owner, dev->group, dev->mode); goto done; break; } @@ -671,31 +684,31 @@ label_found: if (!class_dev->sysdevice) continue; found = 0; - strcpy(path, class_dev->sysdevice->directory->path); + strcpy(path, class_dev->sysdevice->path); temp = strrchr(path, '/'); - dbg("TOPOLOGY path = '%s'", path); - dbg("TOPOLOGY temp = '%s' place = '%s'", temp, dev->place); + dbg_parse("TOPOLOGY path = '%s'", path); + dbg_parse("TOPOLOGY temp = '%s' place = '%s'", temp, dev->place); if (strstr(temp, dev->place) != NULL) { found = 1; } else { *temp = 0x00; temp = strrchr(path, '/'); - dbg("TOPOLOGY temp = '%s' place = '%s'", temp, dev->place); + dbg_parse("TOPOLOGY temp = '%s' place = '%s'", temp, dev->place); if (strstr(temp, dev->place) != NULL) found = 1; } if (!found) continue; - strcpy(attr->name, dev->attr.name); - if (dev->attr.mode != 0) { - attr->mode = dev->attr.mode; - strcpy(attr->owner, dev->attr.owner); - strcpy(attr->group, dev->attr.group); + strcpy(udev->name, dev->name); + if (dev->mode != 0) { + udev->mode = dev->mode; + strcpy(udev->owner, dev->owner); + strcpy(udev->group, dev->group); } - dbg("device at '%s' becomes '%s' - owner = %s, group = %s, mode = %#o", - dev->place, attr->name, - dev->attr.owner, dev->attr.group, dev->attr.mode); + dbg_parse("device at '%s' becomes '%s' - owner = %s, group = %s, mode = %#o", + dev->place, udev->name, + dev->owner, dev->group, dev->mode); goto done; break; } @@ -707,55 +720,56 @@ label_found: continue; if (strncmp(value, dev->id, sizeof(value)) != 0) continue; - strcpy(attr->name, dev->attr.name); - if (dev->attr.mode != 0) { - attr->mode = dev->attr.mode; - strcpy(attr->owner, dev->attr.owner); - strcpy(attr->group, dev->attr.group); + strcpy(udev->name, dev->name); + if (dev->mode != 0) { + udev->mode = dev->mode; + strcpy(udev->owner, dev->owner); + strcpy(udev->group, dev->group); } - dbg("device callout '%s' becomes '%s' - owner = %s, group = %s, mode = %#o", - dev->id, attr->name, - dev->attr.owner, dev->attr.group, dev->attr.mode); + dbg_parse("device callout '%s' becomes '%s' - owner = %s, group = %s, mode = %#o", + dev->id, udev->name, + dev->owner, dev->group, dev->mode); goto done; break; } case REPLACE: if (strcmp(dev->kernel_name, class_dev->name) != 0) continue; - strcpy(attr->name, dev->attr.name); - if (dev->attr.mode != 0) { - attr->mode = dev->attr.mode; - strcpy(attr->owner, dev->attr.owner); - strcpy(attr->group, dev->attr.group); + strcpy(udev->name, dev->name); + if (dev->mode != 0) { + udev->mode = dev->mode; + strcpy(udev->owner, dev->owner); + strcpy(udev->group, dev->group); } - dbg("'%s' becomes '%s' - owner = %s, group = %s, mode = %#o", - dev->kernel_name, attr->name, - dev->attr.owner, dev->attr.group, dev->attr.mode); + dbg_parse("'%s' becomes '%s' - owner = %s, group = %s, mode = %#o", + dev->kernel_name, udev->name, + dev->owner, dev->group, dev->mode); goto done; break; case KERNEL_NAME: break; default: - dbg("Unknown type of device '%d'", dev->type); + dbg_parse("Unknown type of device '%d'", dev->type); break; } } - strcpy(attr->name, class_dev->name); - + strcpy(udev->name, class_dev->name); + done: - if (attr->mode == -1) { - attr->mode = get_default_mode(class_dev); - attr->owner[0] = 0x00; - attr->group[0] = 0x00; + /* mode was never set above */ + if (!udev->mode) { + udev->mode = get_default_mode(class_dev); + udev->owner[0] = 0x00; + udev->group[0] = 0x00; } return retval; } -int namedev_name_device(struct sysfs_class_device *class_dev, struct device_attr *attr) +int namedev_name_device(struct sysfs_class_device *class_dev, struct udevice *dev) { int retval; - retval = get_attr(class_dev, attr); + retval = get_attr(class_dev, dev); if (retval) dbg("get_attr failed");