This is preparation for share same code for ctrl iface for wpa_supplicant and hostapd. Signed-off-by: Janusz Dziedzic <janusz.dziedzic@xxxxxxxxx> --- src/common/ctrl_iface_common.c | 141 +++++++++++++++++++++++++++++++++++++++++ src/common/ctrl_iface_common.h | 36 +++++++++++ 2 files changed, 177 insertions(+) create mode 100644 src/common/ctrl_iface_common.c create mode 100644 src/common/ctrl_iface_common.h diff --git a/src/common/ctrl_iface_common.c b/src/common/ctrl_iface_common.c new file mode 100644 index 0000000..82ff276 --- /dev/null +++ b/src/common/ctrl_iface_common.c @@ -0,0 +1,141 @@ +/* + * Common hostapd/wpa_supplicant ctrl iface code. + * Copyright (c) 2002-2013, Jouni Malinen <j@xxxxx> + * Copyright (c) 2015, Qualcomm Atheros, Inc. + * + * This software may be distributed under the terms of the BSD license. + * See README for more details. + */ + +#include "includes.h" +#include "common.h" +#include <netdb.h> +#include <sys/un.h> +#include "ctrl_iface_common.h" + +int sockaddr_compare(struct sockaddr_storage *a, struct sockaddr_storage *b) +{ + struct sockaddr_in *in_a, *in_b; + struct sockaddr_in6 *in6_a, *in6_b; + struct sockaddr_un *u_a, *u_b; + + if (a->ss_family != b->ss_family) + return 1; + + switch (a->ss_family) { + case AF_INET: + in_a = (struct sockaddr_in *) a; + in_b = (struct sockaddr_in *) b; + + if (in_a->sin_port != in_b->sin_port) + return 1; + if (in_a->sin_addr.s_addr != in_b->sin_addr.s_addr) + return 1; + break; + case AF_INET6: + in6_a = (struct sockaddr_in6 *) a; + in6_b = (struct sockaddr_in6 *) b; + + if (in6_a->sin6_port != in6_b->sin6_port) + return 1; + if (os_memcmp(&in6_a->sin6_addr, &in6_b->sin6_addr, sizeof(in6_a->sin6_addr))) + return 1; + break; + case AF_UNIX: + u_a = (struct sockaddr_un *) a; + u_b = (struct sockaddr_un *) b; + + if (os_strncmp(u_a->sun_path, u_b->sun_path, sizeof(u_a->sun_path))) + return 1; + break; + default: + return 1; + } + + return 0; +} + +void sockaddr_print(int level, char *msg, struct sockaddr_storage *sock, socklen_t socklen) +{ + char host[NI_MAXHOST] = {0}; + char service[NI_MAXSERV] = {0}; + char addr_txt[200]; + + switch (sock->ss_family) { + case AF_INET: + case AF_INET6: + getnameinfo((struct sockaddr *) sock, socklen, + host, sizeof(host), + service, sizeof(service), + NI_NUMERICHOST); + + wpa_printf(level, "%s %s:%s", msg, host, service); + break; + case AF_UNIX: + printf_encode(addr_txt, sizeof(addr_txt), + (u8 *) ((struct sockaddr_un *) sock)->sun_path, + socklen - offsetof(struct sockaddr_un, sun_path)); + wpa_printf(level, "%s %s", msg, addr_txt); + break; + default: + wpa_printf(level, "%s", msg); + break; + } +} + +int ctrl_iface_attach(struct dl_list *ctrl_dst, + struct sockaddr_un *from, + socklen_t fromlen) +{ + struct wpa_ctrl_dst *dst; + + dst = os_zalloc(sizeof(*dst)); + if (dst == NULL) + return -1; + os_memcpy(&dst->addr, from, fromlen); + dst->addrlen = fromlen; + dst->debug_level = MSG_INFO; + dl_list_add(ctrl_dst, &dst->list); + + sockaddr_print(MSG_DEBUG, "CTRL_IFACE monitor attached", (struct sockaddr_storage *)from, fromlen); + return 0; +} + + +int ctrl_iface_detach(struct dl_list *ctrl_dst, + struct sockaddr_un *from, + socklen_t fromlen) +{ + struct wpa_ctrl_dst *dst; + + dl_list_for_each(dst, ctrl_dst, struct wpa_ctrl_dst, list) { + if (!sockaddr_compare((struct sockaddr_storage *)from, (struct sockaddr_storage *)&dst->addr)) { + sockaddr_print(MSG_DEBUG, "CTRL_IFACE monitor detached", (struct sockaddr_storage *)from, fromlen); + dl_list_del(&dst->list); + os_free(dst); + return 0; + } + } + + return -1; +} + +int ctrl_iface_level(struct dl_list *ctrl_dst, + struct sockaddr_un *from, + socklen_t fromlen, + char *level) +{ + struct wpa_ctrl_dst *dst; + + wpa_printf(MSG_DEBUG, "CTRL_IFACE LEVEL %s", level); + + dl_list_for_each(dst, ctrl_dst, struct wpa_ctrl_dst, list) { + if (!sockaddr_compare((struct sockaddr_storage *)from, (struct sockaddr_storage *)&dst->addr)) { + sockaddr_print(MSG_DEBUG, "CTRL_IFACE changed monitor level", (struct sockaddr_storage *)from, fromlen); + dst->debug_level = atoi(level); + return 0; + } + } + + return -1; +} diff --git a/src/common/ctrl_iface_common.h b/src/common/ctrl_iface_common.h new file mode 100644 index 0000000..b693847 --- /dev/null +++ b/src/common/ctrl_iface_common.h @@ -0,0 +1,36 @@ +/* + * Common hostapd/wpa_supplicant ctrl iface code. + * Copyright (c) 2002-2013, Jouni Malinen <j@xxxxx> + * Copyright (c) 2015, Qualcomm Atheros, Inc. + * + * This software may be distributed under the terms of the BSD license. + * See README for more details. + */ +#ifndef CONTROL_IFACE_COMMON_H +#define CONTROL_IFACE_COMMON_H + +#include "utils/list.h" + +struct wpa_ctrl_dst { + struct dl_list list; + struct sockaddr_un addr; + socklen_t addrlen; + int debug_level; + int errors; +}; + +int sockaddr_compare(struct sockaddr_storage *a, struct sockaddr_storage *b); +void sockaddr_print(int level, char *msg, struct sockaddr_storage *sock, socklen_t socklen); + +int ctrl_iface_attach(struct dl_list *ctrl_dst, + struct sockaddr_un *from, + socklen_t fromlen); +int ctrl_iface_detach(struct dl_list *ctrl_dst, + struct sockaddr_un *from, + socklen_t fromlen); +int ctrl_iface_level(struct dl_list *ctrl_dst, + struct sockaddr_un *from, + socklen_t fromlen, + char *level); + +#endif /* CONTROL_IFACE_COMMON_H */ -- 1.9.1 _______________________________________________ Hostap mailing list Hostap@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/hostap