3  * Copyright (c) 2011-2018 The strace developers.
47 	for (i = 0; i < set->num_selected; ++i) {  in pathmatch()
48 		if (strcmp(path, set->paths_selected[i]) == 0)  in pathmatch()
55  * Return true if specified path (in user-space) matches.
89 	if (set->num_selected >= set->size)  in storepath()
90 		set->paths_selected =  in storepath()
91 			xgrowarray(set->paths_selected, &set->size,  in storepath()
92 				   sizeof(set->paths_selected[0]));  in storepath()
94 	set->paths_selected[set->num_selected++] = path;  in storepath()
107 		return -1;  in getfdpath()
109 	xsprintf(linkpath, "/proc/%u/fd/%u", tcp->pid, fd);  in getfdpath()
110 	n = readlink(linkpath, buf, bufsize - 1);  in getfdpath()
113 	 * it returns truncated result (IOW: n == bufsize - 1).  in getfdpath()
127 	char *rpath;  in pathtrace_select_set()  local
131 	rpath = realpath(path, NULL);  in pathtrace_select_set()
133 	if (rpath == NULL)  in pathtrace_select_set()
137 	if (strcmp(path, rpath) == 0) {  in pathtrace_select_set()
138 		free(rpath);  in pathtrace_select_set()
142 	error_msg("Requested path '%s' resolved into '%s'", path, rpath);  in pathtrace_select_set()
143 	storepath(rpath, set);  in pathtrace_select_set()
155 	/* Beware of select(2^31-1, NULL, NULL, NULL) and similar... */  in match_xselect_args()
158 	unsigned int fdsize = (((nfds + 7) / 8) + current_wordsize-1) & -current_wordsize;  in match_xselect_args()
190 	s = tcp->s_ent;  in pathtrace_match_set()
192 	if (!(s->sys_flags & (TRACE_FILE | TRACE_DESC | TRACE_NETWORK)))  in pathtrace_match_set()
200 	switch (s->sen) {  in pathtrace_match_set()
208 		return fdmatch(tcp, tcp->u_arg[0], set) ||  in pathtrace_match_set()
209 			fdmatch(tcp, tcp->u_arg[1], set);  in pathtrace_match_set()
228 		return fdmatch(tcp, tcp->u_arg[0], set) ||  in pathtrace_match_set()
229 			upathmatch(tcp, tcp->u_arg[1], set);  in pathtrace_match_set()
235 		return upathmatch(tcp, tcp->u_arg[0], set) ||  in pathtrace_match_set()
236 			upathmatch(tcp, tcp->u_arg[1], set);  in pathtrace_match_set()
241 		return upathmatch(tcp, tcp->u_arg[1], set);  in pathtrace_match_set()
247 		return fdmatch(tcp, tcp->u_arg[0], set) ||  in pathtrace_match_set()
248 			fdmatch(tcp, tcp->u_arg[2], set) ||  in pathtrace_match_set()
249 			upathmatch(tcp, tcp->u_arg[1], set) ||  in pathtrace_match_set()
250 			upathmatch(tcp, tcp->u_arg[3], set);  in pathtrace_match_set()
259 			fetch_indirect_syscall_args(tcp, tcp->u_arg[0], 6);  in pathtrace_match_set()
270 		return fdmatch(tcp, tcp->u_arg[4], set);  in pathtrace_match_set()
274 		return fdmatch(tcp, tcp->u_arg[1], set) ||  in pathtrace_match_set()
275 			upathmatch(tcp, tcp->u_arg[2], set);  in pathtrace_match_set()
280 		return fdmatch(tcp, tcp->u_arg[0], set) ||  in pathtrace_match_set()
281 			fdmatch(tcp, tcp->u_arg[2], set);  in pathtrace_match_set()
285 		return fdmatch(tcp, tcp->u_arg[2], set);  in pathtrace_match_set()
293 		return fdmatch(tcp, tcp->u_arg[argn], set) ||  in pathtrace_match_set()
294 			upathmatch(tcp, tcp->u_arg[argn + 1], set);  in pathtrace_match_set()
300 			fetch_indirect_syscall_args(tcp, tcp->u_arg[0], 5);  in pathtrace_match_set()
307 		return match_xselect_args(tcp, tcp->u_arg, set);  in pathtrace_match_set()
315 		start = tcp->u_arg[0];  in pathtrace_match_set()
316 		nfds = tcp->u_arg[1];  in pathtrace_match_set()
375 	if (s->sys_flags & TRACE_FILE)  in pathtrace_match_set()
376 		return upathmatch(tcp, tcp->u_arg[0], set);  in pathtrace_match_set()
378 	if (s->sys_flags & (TRACE_DESC | TRACE_NETWORK))  in pathtrace_match_set()
379 		return fdmatch(tcp, tcp->u_arg[0], set);  in pathtrace_match_set()