/* * Helper functions for handling target threads/cpus * * Copyright (C) 2012, LG Electronics, Namhyung Kim * * Released under the GPL v2. */ #include "target.h" #include "util.h" #include "debug.h" #include #include enum target_errno target__validate(struct target *target) { enum target_errno ret = TARGET_ERRNO__SUCCESS; if (target->pid) target->tid = target->pid; /* CPU and PID are mutually exclusive */ if (target->tid && target->cpu_list) { target->cpu_list = NULL; if (ret == TARGET_ERRNO__SUCCESS) ret = TARGET_ERRNO__PID_OVERRIDE_CPU; } /* UID and PID are mutually exclusive */ if (target->tid && target->uid_str) { target->uid_str = NULL; if (ret == TARGET_ERRNO__SUCCESS) ret = TARGET_ERRNO__PID_OVERRIDE_UID; } /* UID and CPU are mutually exclusive */ if (target->uid_str && target->cpu_list) { target->cpu_list = NULL; if (ret == TARGET_ERRNO__SUCCESS) ret = TARGET_ERRNO__UID_OVERRIDE_CPU; } /* PID and SYSTEM are mutually exclusive */ if (target->tid && target->system_wide) { target->system_wide = false; if (ret == TARGET_ERRNO__SUCCESS) ret = TARGET_ERRNO__PID_OVERRIDE_SYSTEM; } /* UID and SYSTEM are mutually exclusive */ if (target->uid_str && target->system_wide) { target->system_wide = false; if (ret == TARGET_ERRNO__SUCCESS) ret = TARGET_ERRNO__UID_OVERRIDE_SYSTEM; } /* THREAD and SYSTEM/CPU are mutually exclusive */ if (target->per_thread && (target->system_wide || target->cpu_list)) { target->per_thread = false; if (ret == TARGET_ERRNO__SUCCESS) ret = TARGET_ERRNO__SYSTEM_OVERRIDE_THREAD; } return ret; } enum target_errno target__parse_uid(struct target *target) { struct passwd pwd, *result; char buf[1024]; const char *str = target->uid_str; target->uid = UINT_MAX; if (str == NULL) return TARGET_ERRNO__SUCCESS; /* Try user name first */ getpwnam_r(str, &pwd, buf, sizeof(buf), &result); if (result == NULL) { /* * The user name not found. Maybe it's a UID number. */ char *endptr; int uid = strtol(str, &endptr, 10); if (*endptr != '\0') return TARGET_ERRNO__INVALID_UID; getpwuid_r(uid, &pwd, buf, sizeof(buf), &result); if (result == NULL) return TARGET_ERRNO__USER_NOT_FOUND; } target->uid = result->pw_uid; return TARGET_ERRNO__SUCCESS; } /* * This must have a same ordering as the enum target_errno. */ static const char *target__error_str[] = { "PID/TID switch overriding CPU", "PID/TID switch overriding UID", "UID switch overriding CPU", "PID/TID switch overriding SYSTEM", "UID switch overriding SYSTEM", "SYSTEM/CPU switch overriding PER-THREAD", "Invalid User: %s", "Problems obtaining information for user %s", }; int target__strerror(struct target *target, int errnum, char *buf, size_t buflen) { int idx; const char *msg; BUG_ON(buflen == 0); if (errnum >= 0) { str_error_r(errnum, buf, buflen); return 0; } if (errnum < __TARGET_ERRNO__START || errnum >= __TARGET_ERRNO__END) return -1; idx = errnum - __TARGET_ERRNO__START; msg = target__error_str[idx]; switch (errnum) { case TARGET_ERRNO__PID_OVERRIDE_CPU ... TARGET_ERRNO__SYSTEM_OVERRIDE_THREAD: snprintf(buf, buflen, "%s", msg); break; case TARGET_ERRNO__INVALID_UID: case TARGET_ERRNO__USER_NOT_FOUND: snprintf(buf, buflen, msg, target->uid_str); break; default: /* cannot reach here */ break; } return 0; } ux/net-next.git/commit/include?h=nds-private-remove&id=0ae8133586ad1c9be894411aaf8b17bb58c8efe5'>net: ipv6: Allow shorthand delete of all nexthops in multipath routeDavid Ahern1-1/+3 2017-02-03net: remove support for per driver ndo_busy_poll()Eric Dumazet2-5/+0 2017-02-03Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-nextDavid S. Miller11-40/+60 2017-02-03sched: cls_flower: expose priority to offloading netdeviceJiri Pirko1-0/+1 2017-02-03lib: Introduce priority array area managerJiri Pirko1-0/+76 2017-02-03list: introduce list_for_each_entry_from_reverse helperJiri Pirko1-0/+13 2017-02-03trace: rename trace_print_hex_seq arg and add kdocDaniel Borkmann2-3/+3 2017-02-03bridge: uapi: add per vlan tunnel infoRoopa Prabhu3-0/+13 2017-02-03vxlan: support fdb and learning in COLLECT_METADATA modeRoopa Prabhu1-0/+1 2017-02-03ip_tunnels: new IP_TUNNEL_INFO_BRIDGE flag for ip_tunnel_info modeRoopa Prabhu1-0/+1 2017-02-03net/sched: act_ife: Change to use ife moduleYotam Gigi2-10/+1 2017-02-03net: Introduce ife encapsulation moduleYotam Gigi3-0/+70 2017-02-03net/sched: act_ife: Unexport ife_tlv_meta_encodeYotam Gigi1-2/+0 2017-02-03tcp: add tcp_mss_clamp() helperEric Dumazet1-0/+9 2017-02-02net: add LINUX_MIB_PFMEMALLOCDROP counterEric Dumazet1-0/+1 2017-02-02net: phy: marvell: Add support for 88e1545 PHYAndrew Lunn1-0/+1 2017-02-02unix: add ioctl to open a unix socket file with O_PATHAndrey Vagin1-0/+2 2017-02-02net: phy: Marvell: Add mv88e6390 internal PHYAndrew Lunn1-0/+6 2017-02-02Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller9-30/+40 2017-02-02netfilter: allow logging from non-init namespacesMichal Kubeček1-0/+3 2017-02-02ipvs: free ip_vs_dest structs when refcnt=0David Windsor1-1/+1 2017-02-02netfilter: merge ctinfo into nfct pointer storage areaFlorian Westphal2-17/+15 2017-02-02netfilter: guarantee 8 byte minalign for template addressesFlorian Westphal1-0/+2 2017-02-02netfilter: add and use nf_ct_set helperFlorian Westphal2-2/+9 2017-02-02skbuff: add and use skb_nfct helperFlorian Westphal2-4/+11 2017-02-02netfilter: reduce direct skb->nfct usageFlorian Westphal1-3/+6 2017-02-02netfilter: conntrack: no need to pass ctinfo to error handlerFlorian Westphal1-1/+1