Overview
| Comment: | Implemented rlimit and klogctl |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
9b491cd779694d2aec49fa71f4f8677b |
| User & Date: | rkeene on 2014-11-03 16:34:22 |
| Other Links: | manifest | tags |
Context
|
2014-11-03
| ||
| 17:15 | Added UNIX command-workalikes for dmesg/ulimit check-in: 55756e0014 user: rkeene tags: trunk | |
| 16:34 | Implemented rlimit and klogctl check-in: 9b491cd779 user: rkeene tags: trunk | |
|
2014-10-30
| ||
| 19:16 | Added "ps" command check-in: 4ee619220a user: rkeene tags: trunk | |
Changes
Modified tuapi.c from [f152339f63] to [d5c20667b1].
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | #define _LINUX_SOURCE 1 #include <sys/syscall.h> #include <sys/termios.h> #include <netinet/in.h> #include <arpa/inet.h> #include <sys/socket.h> #include <sys/select.h> #include <sys/mount.h> #include <sys/types.h> #include <sys/ioctl.h> #include <sys/swap.h> #include <sys/stat.h> #include <sys/wait.h> #include <sys/un.h> #include <stdlib.h> #include <signal.h> #include <unistd.h> | > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | #define _LINUX_SOURCE 1 #include <sys/resource.h> #include <sys/syscall.h> #include <sys/termios.h> #include <netinet/in.h> #include <arpa/inet.h> #include <sys/socket.h> #include <sys/select.h> #include <sys/mount.h> #include <sys/types.h> #include <sys/ioctl.h> #include <sys/time.h> #include <sys/klog.h> #include <sys/swap.h> #include <sys/stat.h> #include <sys/wait.h> #include <sys/un.h> #include <stdlib.h> #include <signal.h> #include <unistd.h> |
| ︙ | ︙ | |||
40 41 42 43 44 45 46 47 48 49 50 51 52 53 | #endif #ifndef MNT_EXPIRE #define MNT_EXPIRE 4 #endif #ifndef MS_MOVE #define MS_MOVE 8192 #endif /* Simple macros */ #ifndef MAX #define MAX(a, b) (((a) < (b)) ? (b) : (a)) #endif #ifndef MIN #define MIN(a, b) (((a) < (b)) ? (a) : (b)) | > > > > > > > > > > > > > > > > > > | 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | #endif #ifndef MNT_EXPIRE #define MNT_EXPIRE 4 #endif #ifndef MS_MOVE #define MS_MOVE 8192 #endif #ifndef SYSLOG_ACTION_CLOSE #define SYSLOG_ACTION_CLOSE 0 #endif #ifndef SYSLOG_ACTION_OPEN #define SYSLOG_ACTION_OPEN 1 #endif #ifndef SYSLOG_ACTION_READ_ALL #define SYSLOG_ACTION_READ_ALL 3 #endif #ifndef SYSLOG_ACTION_CLEAR #define SYSLOG_ACTION_CLEAR 5 #endif #ifndef SYSLOG_ACTION_CONSOLE_OFF #define SYSLOG_ACTION_CONSOLE_OFF 6 #endif #ifndef SYSLOG_ACTION_CONSOLE_ON #define SYSLOG_ACTION_CONSOLE_ON 7 #endif /* Simple macros */ #ifndef MAX #define MAX(a, b) (((a) < (b)) ? (b) : (a)) #endif #ifndef MIN #define MIN(a, b) (((a) < (b)) ? (a) : (b)) |
| ︙ | ︙ | |||
1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 |
if (retobj != NULL) {
Tcl_SetObjResult(interp, retobj);
}
return(retval);
}
#ifndef DISABLE_UNIX_SOCKETS
struct tuapi_socket_unix__chan_id {
int fd;
Tcl_Channel chan;
};
| > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 |
if (retobj != NULL) {
Tcl_SetObjResult(interp, retobj);
}
return(retval);
}
static int tuapi_rlimit(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) {
Tcl_Obj *operation_obj, *resource_id_obj, *resource_val_item_obj, *resource_val_itemval_obj, *ret_obj;
struct rlimit resource_val;
Tcl_WideInt resource_val_item;
int resource_id;
int rlimit_ret, tcl_ret;
if (objc < 3) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("wrong # args: should be \"::tuapi::syscall::rlimit operation resource ?value?\"", -1));
return(TCL_ERROR);
}
operation_obj = objv[1];
resource_id_obj = objv[2];
switch (tuapi_internal_simplehash_obj(resource_id_obj)) {
case 0x20d3LU: /* AS */
resource_id = RLIMIT_AS;
break;
case 0x873e945LU: /* CORE */
resource_id = RLIMIT_CORE;
break;
case 0x10e855LU: /* CPU */
resource_id = RLIMIT_CPU;
break;
case 0x8906a41LU: /* DATA */
resource_id = RLIMIT_DATA;
break;
case 0x6a726f45LU: /* FSIZE */
resource_id = RLIMIT_FSIZE;
break;
#ifdef RLIMIT_LOCKS
case 0xc9f0e7d3LU: /* LOCKS */
resource_id = RLIMIT_LOCKS;
break;
#endif
case 0xd908f7cbLU: /* MEMLOCK */
resource_id = RLIMIT_MEMLOCK;
break;
#ifdef RLIMIT_MSGQUEUE
case 0x57167445LU: /* MSGQUEUE */
resource_id = RLIMIT_MSGQUEUE;
break;
#endif
case 0x9d261c5LU: /* NICE */
resource_id = RLIMIT_NICE;
break;
case 0xf8d35c45LU: /* NOFILE */
case 0xf8d26445LU: /* OFILE */
resource_id = RLIMIT_NOFILE;
break;
case 0xea14a5c3LU: /* NPROC */
resource_id = RLIMIT_NPROC;
break;
case 0x14a9d3LU: /* RSS */
resource_id = RLIMIT_RSS;
break;
#ifdef RLIMIT_RTPRIO
case 0x4a15ee4fLU: /* RTPRIO */
resource_id = RLIMIT_RTPRIO;
break;
#endif
#ifdef RLIMIT_RTTIME
case 0x4a932c45LU: /* RTTIME */
resource_id = RLIMIT_RTTIME;
break;
#endif
#ifdef RLIMIT_SIGPENDING
case 0x2f390347LU: /* SIGPENDING */
resource_id = RLIMIT_SIGPENDING;
break;
#endif
case 0x3a90634bLU: /* STACK */
resource_id = RLIMIT_STACK;
break;
default:
Tcl_SetObjResult(interp, Tcl_NewStringObj("invalid resource", -1));
return(TCL_ERROR);
}
if (strcmp(Tcl_GetString(operation_obj), "get") == 0) {
if (objc != 3) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("wrong # args: should be \"::tuapi::syscall::rlimit get resource\"", -1));
return(TCL_ERROR);
}
rlimit_ret = getrlimit(resource_id, &resource_val);
if (rlimit_ret != 0) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("getrlimit() failed", -1));
return(TCL_ERROR);
}
ret_obj = Tcl_NewObj();
Tcl_ListObjAppendElement(interp, ret_obj, Tcl_NewStringObj("soft", -1));
Tcl_ListObjAppendElement(interp, ret_obj, Tcl_NewWideIntObj(resource_val.rlim_cur));
Tcl_ListObjAppendElement(interp, ret_obj, Tcl_NewStringObj("hard", -1));
Tcl_ListObjAppendElement(interp, ret_obj, Tcl_NewWideIntObj(resource_val.rlim_max));
Tcl_SetObjResult(interp, ret_obj);
return(TCL_OK);
}
if (strcmp(Tcl_GetString(operation_obj), "set") == 0) {
if (objc != 4) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("wrong # args: should be \"::tuapi::syscall::rlimit set resource value\"", -1));
return(TCL_ERROR);
}
resource_val_item_obj = objv[3];
/* Determine if we were asked to set to a simple value, in which case set both hard and soft limits */
tcl_ret = Tcl_GetWideIntFromObj(NULL, resource_val_item_obj, &resource_val_item);
if (tcl_ret == TCL_OK) {
resource_val.rlim_cur = resource_val_item;
resource_val.rlim_max = resource_val_item;
} else {
tcl_ret = Tcl_DictObjGet(NULL, resource_val_item_obj, Tcl_NewStringObj("soft", -1), &resource_val_itemval_obj);
if (tcl_ret != TCL_OK) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("invalid request", -1));
return(TCL_ERROR);
}
tcl_ret = Tcl_GetWideIntFromObj(NULL, resource_val_itemval_obj, &resource_val_item);
if (tcl_ret != TCL_OK) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("invalid request", -1));
return(TCL_ERROR);
}
resource_val.rlim_cur = resource_val_item;
tcl_ret = Tcl_DictObjGet(NULL, resource_val_item_obj, Tcl_NewStringObj("hard", -1), &resource_val_itemval_obj);
if (tcl_ret != TCL_OK) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("invalid request", -1));
return(TCL_ERROR);
}
tcl_ret = Tcl_GetWideIntFromObj(NULL, resource_val_itemval_obj, &resource_val_item);
if (tcl_ret != TCL_OK) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("invalid request", -1));
return(TCL_ERROR);
}
resource_val.rlim_max = resource_val_item;
}
rlimit_ret = setrlimit(resource_id, &resource_val);
if (rlimit_ret != 0) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("setrlimit() failed", -1));
return(TCL_ERROR);
}
return(TCL_OK);
}
Tcl_SetObjResult(interp, Tcl_NewStringObj("invalid operation", -1));
return(TCL_ERROR);
}
static int tuapi_klogctl(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) {
Tcl_Obj *operation_obj;
char *buf;
int buflen;
int klog_ret;
if (objc < 2) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("wrong # args: should be \"::tuapi::syscall::klogctl operation ...\"", -1));
return(TCL_ERROR);
}
klog_ret = klogctl(SYSLOG_ACTION_OPEN, NULL, 0);
if (klog_ret != 0) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("klogctl(SYSLOG_ACTION_OPEN, ...) failed", -1));
return(TCL_ERROR);
}
operation_obj = objv[1];
switch (tuapi_internal_simplehash_obj(operation_obj)) {
case 0xe5970e4LU: /* read */
buflen = 256 * 1024;
buf = malloc(buflen);
if (buf == NULL) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("malloc failed !", -1));
return(TCL_ERROR);
}
klog_ret = klogctl(SYSLOG_ACTION_READ_ALL, buf, buflen);
if (klog_ret == -1) {
free(buf);
Tcl_SetObjResult(interp, Tcl_NewStringObj("klogctl(SYSLOG_ACTION_READ_ALL, ...) failed", -1));
return(TCL_ERROR);
}
Tcl_SetObjResult(interp, Tcl_NewByteArrayObj((unsigned char *) buf, klog_ret));
free(buf);
return(TCL_OK);
case 0x3d9973f2LU: /* clear */
klog_ret = klogctl(SYSLOG_ACTION_CLEAR, NULL, 0);
if (klog_ret == -1) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("klogctl(SYSLOG_ACTION_CLEAR, ...) failed", -1));
return(TCL_ERROR);
}
return(TCL_OK);
case 0x225c336eLU: /* console_on */
klog_ret = klogctl(SYSLOG_ACTION_CONSOLE_ON, NULL, 0);
if (klog_ret == -1) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("klogctl(SYSLOG_ACTION_CONSOLE_ON, ...) failed", -1));
return(TCL_ERROR);
}
return(TCL_OK);
case 0x2e19bbe6LU: /* console_off */
klog_ret = klogctl(SYSLOG_ACTION_CONSOLE_OFF, NULL, 0);
if (klog_ret == -1) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("klogctl(SYSLOG_ACTION_CONSOLE_OFF, ...) failed", -1));
return(TCL_ERROR);
}
return(TCL_OK);
}
Tcl_SetObjResult(interp, Tcl_NewStringObj("invalid subcommand", -1));
return(TCL_ERROR);
}
#ifndef DISABLE_UNIX_SOCKETS
struct tuapi_socket_unix__chan_id {
int fd;
Tcl_Channel chan;
};
|
| ︙ | ︙ | |||
2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 | /* Kernel maintenance related commands */ Tcl_CreateObjCommand(interp, "::tuapi::syscall::insmod", tuapi_insmod, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::rmmod", tuapi_rmmod, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::lsmod", tuapi_lsmod, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::hostname", tuapi_hostname, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::domainname", tuapi_domainname, NULL, NULL); /* Block or char device related commands */ Tcl_CreateObjCommand(interp, "::tuapi::syscall::losetup", tuapi_losetup, NULL, NULL); /* Filesystem related commands */ Tcl_CreateObjCommand(interp, "::tuapi::syscall::mount", tuapi_mount, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::umount", tuapi_umount, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::swapon", tuapi_swapon, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::swapoff", tuapi_swapoff, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::mknod", tuapi_mknod, NULL, NULL); /* Process related commands */ Tcl_CreateObjCommand(interp, "::tuapi::syscall::getuid", tuapi_getuid, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::chroot", tuapi_chroot, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::pivot_root", tuapi_pivot_root, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::kill", tuapi_kill, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::ps", tuapi_ps, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::execve", tuapi_execve, NULL, NULL); /* Network related commands */ Tcl_CreateObjCommand(interp, "::tuapi::syscall::ifconfig", tuapi_ifconfig, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::route", tuapi_route, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::brctl", tuapi_brctl, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::vconfig", tuapi_vconfig, NULL, NULL); | > > | 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 | /* Kernel maintenance related commands */ Tcl_CreateObjCommand(interp, "::tuapi::syscall::insmod", tuapi_insmod, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::rmmod", tuapi_rmmod, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::lsmod", tuapi_lsmod, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::hostname", tuapi_hostname, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::domainname", tuapi_domainname, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::klogctl", tuapi_klogctl, NULL, NULL); /* Block or char device related commands */ Tcl_CreateObjCommand(interp, "::tuapi::syscall::losetup", tuapi_losetup, NULL, NULL); /* Filesystem related commands */ Tcl_CreateObjCommand(interp, "::tuapi::syscall::mount", tuapi_mount, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::umount", tuapi_umount, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::swapon", tuapi_swapon, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::swapoff", tuapi_swapoff, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::mknod", tuapi_mknod, NULL, NULL); /* Process related commands */ Tcl_CreateObjCommand(interp, "::tuapi::syscall::getuid", tuapi_getuid, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::chroot", tuapi_chroot, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::pivot_root", tuapi_pivot_root, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::kill", tuapi_kill, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::ps", tuapi_ps, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::execve", tuapi_execve, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::rlimit", tuapi_rlimit, NULL, NULL); /* Network related commands */ Tcl_CreateObjCommand(interp, "::tuapi::syscall::ifconfig", tuapi_ifconfig, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::route", tuapi_route, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::brctl", tuapi_brctl, NULL, NULL); Tcl_CreateObjCommand(interp, "::tuapi::syscall::vconfig", tuapi_vconfig, NULL, NULL); |
| ︙ | ︙ |