static void parse_string_param(prop_dictionary_t props, const char *name, const char *value) { assert(name != NULL); assert(value != NULL); prop_dictionary_set(props, name, prop_string_create_cstring(value)); }
prop_array_t udev_getdevs(int devfd) { prop_dictionary_t pd, rpd; prop_string_t ps; prop_array_t pa; pd = prop_dictionary_create(); if (pd == NULL) { err(1, "prop_dictionary_create()"); } ps = prop_string_create_cstring("getdevs"); if (ps == NULL) { prop_object_release(pd); err(1, "prop_string_create_cstring()"); } if (prop_dictionary_set(pd, "command", ps) == false) { prop_object_release(ps); prop_object_release(pd); err(1, "prop_dictionary_set()"); } prop_object_release(ps); /* Send dictionary to kernel space */ if (prop_dictionary_sendrecv_ioctl(pd, devfd, UDEVPROP, &rpd) != 0) err(1, "prop_array_recv_ioctl()"); prop_object_release(pd); pa = prop_dictionary_get(rpd, "array"); if (pa == NULL) goto out; prop_object_retain(pa); out: prop_object_release(rpd); return pa; }
int main(int argc, char **argv) { int c, mode; char *attr = 0; extern char *optarg; extern int optind; int fd, res; size_t children; struct devpmargs paa = {.devname = "", .flags = 0}; struct devlistargs laa = {.l_devname = "", .l_childname = NULL, .l_children = 0}; struct devdetachargs daa; struct devrescanargs raa; int *locs, i; prop_dictionary_t command_dict, args_dict, results_dict, data_dict; prop_string_t string; prop_number_t number; char *xml; mode = 0; while ((c = getopt(argc, argv, OPTS)) != -1) { switch (c) { case 'Q': case 'R': case 'S': case 'd': case 'l': case 'p': case 'r': mode = c; break; case 'a': attr = optarg; break; case '?': default: usage(); } } argc -= optind; argv += optind; if (argc < 1 || mode == 0) usage(); fd = open(DRVCTLDEV, OPEN_MODE(mode), 0); if (fd < 0) err(2, "open %s", DRVCTLDEV); switch (mode) { case 'Q': paa.flags = DEVPM_F_SUBTREE; /*FALLTHROUGH*/ case 'R': strlcpy(paa.devname, argv[0], sizeof(paa.devname)); if (ioctl(fd, DRVRESUMEDEV, &paa) == -1) err(3, "DRVRESUMEDEV"); break; case 'S': strlcpy(paa.devname, argv[0], sizeof(paa.devname)); if (ioctl(fd, DRVSUSPENDDEV, &paa) == -1) err(3, "DRVSUSPENDDEV"); break; case 'd': strlcpy(daa.devname, argv[0], sizeof(daa.devname)); if (ioctl(fd, DRVDETACHDEV, &daa) == -1) err(3, "DRVDETACHDEV"); break; case 'l': strlcpy(laa.l_devname, argv[0], sizeof(laa.l_devname)); if (ioctl(fd, DRVLISTDEV, &laa) == -1) err(3, "DRVLISTDEV"); children = laa.l_children; laa.l_childname = malloc(children * sizeof(laa.l_childname[0])); if (laa.l_childname == NULL) err(5, "DRVLISTDEV"); if (ioctl(fd, DRVLISTDEV, &laa) == -1) err(3, "DRVLISTDEV"); if (laa.l_children > children) err(6, "DRVLISTDEV: number of children grew"); for (i = 0; i < laa.l_children; i++) printf("%s %s\n", laa.l_devname, laa.l_childname[i]); break; case 'r': memset(&raa, 0, sizeof(raa)); strlcpy(raa.busname, argv[0], sizeof(raa.busname)); if (attr) strlcpy(raa.ifattr, attr, sizeof(raa.ifattr)); if (argc > 1) { locs = malloc((argc - 1) * sizeof(int)); if (!locs) err(5, "malloc int[%d]", argc - 1); for (i = 0; i < argc - 1; i++) locs[i] = atoi(argv[i + 1]); raa.numlocators = argc - 1; raa.locators = locs; } if (ioctl(fd, DRVRESCANBUS, &raa) == -1) err(3, "DRVRESCANBUS"); break; case 'p': command_dict = prop_dictionary_create(); args_dict = prop_dictionary_create(); string = prop_string_create_cstring_nocopy("get-properties"); prop_dictionary_set(command_dict, "drvctl-command", string); prop_object_release(string); string = prop_string_create_cstring(argv[0]); prop_dictionary_set(args_dict, "device-name", string); prop_object_release(string); prop_dictionary_set(command_dict, "drvctl-arguments", args_dict); prop_object_release(args_dict); res = prop_dictionary_sendrecv_ioctl(command_dict, fd, DRVCTLCOMMAND, &results_dict); prop_object_release(command_dict); if (res) errx(3, "DRVCTLCOMMAND: %s", strerror(res)); number = prop_dictionary_get(results_dict, "drvctl-error"); if (prop_number_integer_value(number) != 0) { errx(3, "get-properties: %s", strerror((int)prop_number_integer_value(number))); } data_dict = prop_dictionary_get(results_dict, "drvctl-result-data"); if (data_dict == NULL) { errx(3, "get-properties: failed to return result data"); } xml = prop_dictionary_externalize(data_dict); prop_object_release(results_dict); printf("Properties for device `%s':\n%s", argv[0], xml); free(xml); break; default: errx(4, "unknown command"); } return (0); }