diff options
Diffstat (limited to 'udev_utils.c')
| -rw-r--r-- | udev_utils.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/udev_utils.c b/udev_utils.c index 2524baf592..fd4cd13e5d 100644 --- a/udev_utils.c +++ b/udev_utils.c @@ -28,6 +28,8 @@ #include <ctype.h> #include <dirent.h> #include <syslog.h> +#include <sys/socket.h> +#include <sys/un.h> #include <sys/wait.h> #include <sys/stat.h> #include <sys/mman.h> @@ -372,6 +374,38 @@ int add_matching_files(struct list_head *name_list, const char *dirname, const c return 0; } +int pass_env_to_socket(const char *sockname, const char *devpath, const char *action) +{ + int sock; + struct sockaddr_un saddr; + socklen_t addrlen; + char buf[2048]; + size_t bufpos = 0; + int i; + int retval; + + dbg("pass environment to socket '%s'", sockname); + sock = socket(AF_LOCAL, SOCK_DGRAM, 0); + memset(&saddr, 0x00, sizeof(struct sockaddr_un)); + saddr.sun_family = AF_LOCAL; + /* only abstract namespace is supported */ + strcpy(&saddr.sun_path[1], sockname); + addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(saddr.sun_path+1) + 1; + + bufpos = snprintf(buf, sizeof(buf)-1, "%s@%s", action, devpath); + bufpos++; + for (i = 0; environ[i] != NULL && bufpos < sizeof(buf); i++) { + bufpos += strlcpy(&buf[bufpos], environ[i], sizeof(buf) - bufpos-1); + bufpos++; + } + + retval = sendto(sock, &buf, bufpos, 0, (struct sockaddr *)&saddr, addrlen); + if (retval != -1) + retval = 0; + + return retval; +} + int execute_program(const char *command, const char *subsystem, char *result, size_t ressize, size_t *reslen) { |