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Diffstat (limited to 'Utilities/cmlibuv/src/unix/android-ifaddrs.c')
-rw-r--r--Utilities/cmlibuv/src/unix/android-ifaddrs.c49
1 files changed, 28 insertions, 21 deletions
diff --git a/Utilities/cmlibuv/src/unix/android-ifaddrs.c b/Utilities/cmlibuv/src/unix/android-ifaddrs.c
index 30f681b7d..bf30b1417 100644
--- a/Utilities/cmlibuv/src/unix/android-ifaddrs.c
+++ b/Utilities/cmlibuv/src/unix/android-ifaddrs.c
@@ -43,9 +43,10 @@ typedef struct NetlinkList
unsigned int m_size;
} NetlinkList;
-static int netlink_socket(void)
+static int netlink_socket(pid_t *p_pid)
{
struct sockaddr_nl l_addr;
+ socklen_t l_len;
int l_socket = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if(l_socket < 0)
@@ -61,6 +62,14 @@ static int netlink_socket(void)
return -1;
}
+ l_len = sizeof(l_addr);
+ if(getsockname(l_socket, (struct sockaddr *)&l_addr, &l_len) < 0)
+ {
+ close(l_socket);
+ return -1;
+ }
+ *p_pid = l_addr.nl_pid;
+
return l_socket;
}
@@ -128,7 +137,7 @@ static int netlink_recv(int p_socket, void *p_buffer, size_t p_len)
}
}
-static struct nlmsghdr *getNetlinkResponse(int p_socket, int *p_size, int *p_done)
+static struct nlmsghdr *getNetlinkResponse(int p_socket, pid_t p_pid, int *p_size, int *p_done)
{
size_t l_size = 4096;
void *l_buffer = NULL;
@@ -153,11 +162,10 @@ static struct nlmsghdr *getNetlinkResponse(int p_socket, int *p_size, int *p_don
}
if(l_read >= 0)
{
- pid_t l_pid = getpid();
struct nlmsghdr *l_hdr;
for(l_hdr = (struct nlmsghdr *)l_buffer; NLMSG_OK(l_hdr, (unsigned int)l_read); l_hdr = (struct nlmsghdr *)NLMSG_NEXT(l_hdr, l_read))
{
- if((pid_t)l_hdr->nlmsg_pid != l_pid || (int)l_hdr->nlmsg_seq != p_socket)
+ if((pid_t)l_hdr->nlmsg_pid != p_pid || (int)l_hdr->nlmsg_seq != p_socket)
{
continue;
}
@@ -207,7 +215,7 @@ static void freeResultList(NetlinkList *p_list)
}
}
-static NetlinkList *getResultList(int p_socket, int p_request)
+static NetlinkList *getResultList(int p_socket, int p_request, pid_t p_pid)
{
int l_size;
int l_done;
@@ -227,7 +235,7 @@ static NetlinkList *getResultList(int p_socket, int p_request)
{
NetlinkList *l_item;
- struct nlmsghdr *l_hdr = getNetlinkResponse(p_socket, &l_size, &l_done);
+ struct nlmsghdr *l_hdr = getNetlinkResponse(p_socket, p_pid, &l_size, &l_done);
/* Error */
if(!l_hdr)
{
@@ -449,7 +457,7 @@ static int interpretAddr(struct nlmsghdr *p_hdr, struct ifaddrs **p_resultList,
char *l_name;
char *l_addr;
- for(l_rta = IFLA_RTA(l_info); RTA_OK(l_rta, l_rtaSize); l_rta = RTA_NEXT(l_rta, l_rtaSize))
+ for(l_rta = IFA_RTA(l_info); RTA_OK(l_rta, l_rtaSize); l_rta = RTA_NEXT(l_rta, l_rtaSize))
{
size_t l_rtaDataSize = RTA_PAYLOAD(l_rta);
if(l_info->ifa_family == AF_PACKET)
@@ -471,7 +479,7 @@ static int interpretAddr(struct nlmsghdr *p_hdr, struct ifaddrs **p_resultList,
l_addrSize += NLMSG_ALIGN(calcAddrLen(l_info->ifa_family, l_rtaDataSize));
break;
case IFA_LABEL:
- l_nameSize += NLMSG_ALIGN(l_rtaSize + 1);
+ l_nameSize += NLMSG_ALIGN(l_rtaDataSize + 1);
break;
default:
break;
@@ -496,7 +504,7 @@ static int interpretAddr(struct nlmsghdr *p_hdr, struct ifaddrs **p_resultList,
}
l_rtaSize = NLMSG_PAYLOAD(p_hdr, sizeof(struct ifaddrmsg));
- for(l_rta = IFLA_RTA(l_info); RTA_OK(l_rta, l_rtaSize); l_rta = RTA_NEXT(l_rta, l_rtaSize))
+ for(l_rta = IFA_RTA(l_info); RTA_OK(l_rta, l_rtaSize); l_rta = RTA_NEXT(l_rta, l_rtaSize))
{
void *l_rtaData = RTA_DATA(l_rta);
size_t l_rtaDataSize = RTA_PAYLOAD(l_rta);
@@ -559,7 +567,7 @@ static int interpretAddr(struct nlmsghdr *p_hdr, struct ifaddrs **p_resultList,
{
unsigned l_maxPrefix = (l_entry->ifa_addr->sa_family == AF_INET ? 32 : 128);
unsigned l_prefix = (l_info->ifa_prefixlen > l_maxPrefix ? l_maxPrefix : l_info->ifa_prefixlen);
- char l_mask[16] = {0};
+ unsigned char l_mask[16] = {0};
unsigned i;
for(i=0; i<(l_prefix/8); ++i)
{
@@ -578,18 +586,17 @@ static int interpretAddr(struct nlmsghdr *p_hdr, struct ifaddrs **p_resultList,
return 0;
}
-static int interpretLinks(int p_socket, NetlinkList *p_netlinkList, struct ifaddrs **p_resultList)
+static int interpretLinks(int p_socket, pid_t p_pid, NetlinkList *p_netlinkList, struct ifaddrs **p_resultList)
{
int l_numLinks = 0;
- pid_t l_pid = getpid();
for(; p_netlinkList; p_netlinkList = p_netlinkList->m_next)
{
unsigned int l_nlsize = p_netlinkList->m_size;
struct nlmsghdr *l_hdr;
for(l_hdr = p_netlinkList->m_data; NLMSG_OK(l_hdr, l_nlsize); l_hdr = NLMSG_NEXT(l_hdr, l_nlsize))
{
- if((pid_t)l_hdr->nlmsg_pid != l_pid || (int)l_hdr->nlmsg_seq != p_socket)
+ if((pid_t)l_hdr->nlmsg_pid != p_pid || (int)l_hdr->nlmsg_seq != p_socket)
{
continue;
}
@@ -612,16 +619,15 @@ static int interpretLinks(int p_socket, NetlinkList *p_netlinkList, struct ifadd
return l_numLinks;
}
-static int interpretAddrs(int p_socket, NetlinkList *p_netlinkList, struct ifaddrs **p_resultList, int p_numLinks)
+static int interpretAddrs(int p_socket, pid_t p_pid, NetlinkList *p_netlinkList, struct ifaddrs **p_resultList, int p_numLinks)
{
- pid_t l_pid = getpid();
for(; p_netlinkList; p_netlinkList = p_netlinkList->m_next)
{
unsigned int l_nlsize = p_netlinkList->m_size;
struct nlmsghdr *l_hdr;
for(l_hdr = p_netlinkList->m_data; NLMSG_OK(l_hdr, l_nlsize); l_hdr = NLMSG_NEXT(l_hdr, l_nlsize))
{
- if((pid_t)l_hdr->nlmsg_pid != l_pid || (int)l_hdr->nlmsg_seq != p_socket)
+ if((pid_t)l_hdr->nlmsg_pid != p_pid || (int)l_hdr->nlmsg_seq != p_socket)
{
continue;
}
@@ -648,6 +654,7 @@ int getifaddrs(struct ifaddrs **ifap)
int l_socket;
int l_result;
int l_numLinks;
+ pid_t l_pid;
NetlinkList *l_linkResults;
NetlinkList *l_addrResults;
@@ -657,20 +664,20 @@ int getifaddrs(struct ifaddrs **ifap)
}
*ifap = NULL;
- l_socket = netlink_socket();
+ l_socket = netlink_socket(&l_pid);
if(l_socket < 0)
{
return -1;
}
- l_linkResults = getResultList(l_socket, RTM_GETLINK);
+ l_linkResults = getResultList(l_socket, RTM_GETLINK, l_pid);
if(!l_linkResults)
{
close(l_socket);
return -1;
}
- l_addrResults = getResultList(l_socket, RTM_GETADDR);
+ l_addrResults = getResultList(l_socket, RTM_GETADDR, l_pid);
if(!l_addrResults)
{
close(l_socket);
@@ -679,8 +686,8 @@ int getifaddrs(struct ifaddrs **ifap)
}
l_result = 0;
- l_numLinks = interpretLinks(l_socket, l_linkResults, ifap);
- if(l_numLinks == -1 || interpretAddrs(l_socket, l_addrResults, ifap, l_numLinks) == -1)
+ l_numLinks = interpretLinks(l_socket, l_pid, l_linkResults, ifap);
+ if(l_numLinks == -1 || interpretAddrs(l_socket, l_pid, l_addrResults, ifap, l_numLinks) == -1)
{
l_result = -1;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-13 01:56:48 +0000