1#ifndef VSF_SYSDEPUTIL_H 2#define VSF_SYSDEPUTIL_H 3 4#ifndef VSF_FILESIZE_H 5#include "filesize.h" 6#endif 7 8/* VSF_SYSDEPUTIL_H: 9 * Support for highly system dependent features, and querying for support 10 * or lack thereof 11 * TODO: document functions! 12 */ 13 14struct mystr; 15 16/* Authentication of local users */ 17/* Return 0 for fail, 1 for success */ 18int vsf_sysdep_check_auth(const struct mystr* p_user, 19 const struct mystr* p_pass, 20 const struct mystr* p_remote_host); 21 22/* Support for fine grained privilege (capabilities) */ 23int vsf_sysdep_has_capabilities(void); 24int vsf_sysdep_has_capabilities_as_non_root(void); 25void vsf_sysdep_keep_capabilities(void); 26enum ESysdepCapabilities 27{ 28 kCapabilityCAP_CHOWN = 1, 29 kCapabilityCAP_NET_BIND_SERVICE = 2 30 /* NOTE - next one will be 4, this is a bitfield */ 31}; 32void vsf_sysdep_adopt_capabilities(unsigned int caps); 33 34/* Support for sendfile(), Linux-like interface. Collapses to a read/write 35 * loop under the covers if the target system lacks support. 36 */ 37int vsf_sysutil_sendfile(const int out_fd, const int in_fd, 38 filesize_t* p_offset, filesize_t num_send, 39 unsigned int max_chunk); 40 41/* Support for changing the process name as reported by the operating system. 42 * A useful status monitor. NOTE - we don't guarantee that this call will 43 * have any effect. 44 */ 45void vsf_sysutil_setproctitle_init(int argc, const char* argv[]); 46void vsf_sysutil_setproctitle(const char* p_text); 47void vsf_sysutil_setproctitle_str(const struct mystr* p_str); 48void vsf_sysutil_set_proctitle_prefix(const struct mystr* p_str); 49 50/* For now, maps read/write private pages. API to be extended.. */ 51void vsf_sysutil_map_anon_pages_init(void); 52void* vsf_sysutil_map_anon_pages(unsigned int length); 53 54/* File descriptor passing/receiving */ 55void vsf_sysutil_send_fd(int sock_fd, int send_fd); 56int vsf_sysutil_recv_fd(int sock_fd); 57 58#endif /* VSF_SYSDEPUTIL_H */ 59 60