/* util.h - Header for all utility functions */ #ifndef _UTILS_H_ #define _UTILS_H_ #include #include #include #include #include #include #ifdef __cplusplus #include "Vector.h" #include "CharArray.h" #include "cpputils.h" int file_to_vector(const char *filename, Vector &arr); char *strdup2(const char *s, size_t *size = nullptr); extern "C" { #endif #define UID_SHELL (get_shell_uid()) #define UID_ROOT 0 #define UID_SYSTEM (get_system_uid()) #define UID_RADIO (get_radio_uid()) // xwrap.cpp FILE *xfopen(const char *pathname, const char *mode); FILE *xfdopen(int fd, const char *mode); #define GET_MACRO(_1, _2, _3, NAME, ...) NAME #define xopen(...) GET_MACRO(__VA_ARGS__, xopen3, xopen2)(__VA_ARGS__) int xopen2(const char *pathname, int flags); int xopen3(const char *pathname, int flags, mode_t mode); int xopenat(int dirfd, const char *pathname, int flags); ssize_t xwrite(int fd, const void *buf, size_t count); ssize_t xread(int fd, void *buf, size_t count); ssize_t xxread(int fd, void *buf, size_t count); int xpipe2(int pipefd[2], int flags); int xsetns(int fd, int nstype); int xunshare(int flags); DIR *xopendir(const char *name); DIR *xfdopendir(int fd); struct dirent *xreaddir(DIR *dirp); pid_t xsetsid(); int xsocket(int domain, int type, int protocol); int xbind(int sockfd, const struct sockaddr *addr, socklen_t addrlen); int xconnect(int sockfd, const struct sockaddr *addr, socklen_t addrlen); int xlisten(int sockfd, int backlog); int xaccept4(int sockfd, struct sockaddr *addr, socklen_t *addrlen, int flags); void *xmalloc(size_t size); void *xcalloc(size_t nmemb, size_t size); void *xrealloc(void *ptr, size_t size); ssize_t xsendmsg(int sockfd, const struct msghdr *msg, int flags); ssize_t xrecvmsg(int sockfd, struct msghdr *msg, int flags); int xpthread_create(pthread_t *thread, const pthread_attr_t *attr, void *(*start_routine) (void *), void *arg); int xsocketpair(int domain, int type, int protocol, int sv[2]); int xstat(const char *pathname, struct stat *buf); int xlstat(const char *pathname, struct stat *buf); int xdup2(int oldfd, int newfd); int xdup3(int oldfd, int newfd, int flags); ssize_t xreadlink(const char *pathname, char *buf, size_t bufsiz); ssize_t xreadlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz); int xsymlink(const char *target, const char *linkpath); int xsymlinkat(const char *target, int newdirfd, const char *linkpath); int xlinkat(int olddirfd, const char *oldpath, int newdirfd, const char *newpath, int flags); int xmount(const char *source, const char *target, const char *filesystemtype, unsigned long mountflags, const void *data); int xumount(const char *target); int xumount2(const char *target, int flags); int xrename(const char *oldpath, const char *newpath); int xmkdir(const char *pathname, mode_t mode); int xmkdirs(const char *pathname, mode_t mode); int xmkdirat(int dirfd, const char *pathname, mode_t mode); void *xmmap(void *addr, size_t length, int prot, int flags, int fd, off_t offset); ssize_t xsendfile(int out_fd, int in_fd, off_t *offset, size_t count); pid_t xfork(); int xpoll(struct pollfd *fds, nfds_t nfds, int timeout); // misc.cpp unsigned get_shell_uid(); unsigned get_system_uid(); unsigned get_radio_uid(); ssize_t fdgets(char *buf, size_t size, int fd); int is_num(const char *s); int exec_array(int err, int *fd, void (*cb)(void), const char *argv[]); int exec_command(int err, int *fd, void (*cb)(void), const char *argv0, ...); int exec_command_sync(const char *argv0, ...); int switch_mnt_ns(int pid); int fork_dont_care(); void gen_rand_str(char *buf, int len); int strend(const char *s1, const char *s2); #define getline __getline #define getdelim __getdelim #define fsetxattr __fsetxattr ssize_t __getline(char **lineptr, size_t *n, FILE *stream); ssize_t __getdelim(char **lineptr, size_t *n, int delim, FILE *stream); int __fsetxattr(int fd, const char *name, const void *value, size_t size, int flags); // file.cpp #define align(p, a) (((p) + (a) - 1) / (a) * (a)) #define align_off(p, a) (align(p, a) - (p)) extern const char **excl_list; struct file_attr { struct stat st; char con[128]; }; int fd_getpath(int fd, char *path, size_t size); int fd_getpathat(int dirfd, const char *name, char *path, size_t size); int mkdirs(const char *pathname, mode_t mode); void in_order_walk(int dirfd, void (*callback)(int, struct dirent*)); void rm_rf(const char *path); void frm_rf(int dirfd); void mv_f(const char *source, const char *destination); void mv_dir(int src, int dest); void cp_afc(const char *source, const char *destination); void link_dir(int src, int dest); void clone_dir(int src, int dest); int getattr(const char *path, struct file_attr *a); int getattrat(int dirfd, const char *pathname, struct file_attr *a); int fgetattr(int fd, struct file_attr *a); int setattr(const char *path, struct file_attr *a); int setattrat(int dirfd, const char *pathname, struct file_attr *a); int fsetattr(int fd, struct file_attr *a); void fclone_attr(const int sourcefd, const int targetfd); void clone_attr(const char *source, const char *target); void mmap_ro(const char *filename, void **buf, size_t *size); void mmap_rw(const char *filename, void **buf, size_t *size); void fd_full_read(int fd, void **buf, size_t *size); void full_read(const char *filename, void **buf, size_t *size); void full_read_at(int dirfd, const char *filename, void **buf, size_t *size); void stream_full_read(int fd, void **buf, size_t *size); void write_zero(int fd, size_t size); #ifdef __cplusplus } #endif #endif