| openfirmio.c (186347) | openfirmio.c (194138) |
|---|---|
| 1/* $NetBSD: openfirmio.c,v 1.4 2002/09/06 13:23:19 gehenna Exp $ */ 2 3#include <sys/cdefs.h> | 1/* $NetBSD: openfirmio.c,v 1.4 2002/09/06 13:23:19 gehenna Exp $ */ 2 3#include <sys/cdefs.h> |
| 4__FBSDID("$FreeBSD: head/sys/dev/ofw/openfirmio.c 186347 2008-12-20 00:33:10Z nwhitehorn $"); | 4__FBSDID("$FreeBSD: head/sys/dev/ofw/openfirmio.c 194138 2009-06-14 00:05:38Z marius $"); |
| 5 6/*- 7 * Copyright (c) 1992, 1993 8 * The Regents of the University of California. All rights reserved. 9 * 10 * This software was developed by the Computer Systems Engineering group 11 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 12 * contributed to Berkeley. --- 77 unchanged lines hidden (view full) --- 90} 91 92static int 93openfirm_getstr(int len, const char *user, char **cpp) 94{ 95 int error; 96 char *cp; 97 | 5 6/*- 7 * Copyright (c) 1992, 1993 8 * The Regents of the University of California. All rights reserved. 9 * 10 * This software was developed by the Computer Systems Engineering group 11 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 12 * contributed to Berkeley. --- 77 unchanged lines hidden (view full) --- 90} 91 92static int 93openfirm_getstr(int len, const char *user, char **cpp) 94{ 95 int error; 96 char *cp; 97 |
| 98 /* Reject obvious bogus requests */ | 98 /* Reject obvious bogus requests. */ |
| 99 if ((u_int)len > OFIOCMAXNAME) 100 return (ENAMETOOLONG); 101 102 *cpp = cp = malloc(len + 1, M_TEMP, M_WAITOK); 103 if (cp == NULL) 104 return (ENOMEM); 105 error = copyin(user, cp, len); 106 cp[len] = '\0'; --- 29 unchanged lines hidden (view full) --- 136 case OFIOCGETCHILD: 137 node = *(phandle_t *)data; 138 break; 139 default: 140 return (ENOIOCTL); 141 } 142 143 if (node != 0 && node != lastnode) { | 99 if ((u_int)len > OFIOCMAXNAME) 100 return (ENAMETOOLONG); 101 102 *cpp = cp = malloc(len + 1, M_TEMP, M_WAITOK); 103 if (cp == NULL) 104 return (ENOMEM); 105 error = copyin(user, cp, len); 106 cp[len] = '\0'; --- 29 unchanged lines hidden (view full) --- 136 case OFIOCGETCHILD: 137 node = *(phandle_t *)data; 138 break; 139 default: 140 return (ENOIOCTL); 141 } 142 143 if (node != 0 && node != lastnode) { |
| 144 /* Not an easy one, must search for it */ | 144 /* Not an easy one, we must search for it. */ |
| 145 ok = openfirm_checkid(OF_peer(0), node); 146 if (!ok) 147 return (EINVAL); 148 lastnode = node; 149 } 150 151 name = value = NULL; 152 error = 0; --- 11 unchanged lines hidden (view full) --- 164 of->of_buflen = len; 165 break; 166 } 167 if (len > of->of_buflen) { 168 error = ENOMEM; 169 break; 170 } 171 of->of_buflen = len; | 145 ok = openfirm_checkid(OF_peer(0), node); 146 if (!ok) 147 return (EINVAL); 148 lastnode = node; 149 } 150 151 name = value = NULL; 152 error = 0; --- 11 unchanged lines hidden (view full) --- 164 of->of_buflen = len; 165 break; 166 } 167 if (len > of->of_buflen) { 168 error = ENOMEM; 169 break; 170 } 171 of->of_buflen = len; |
| 172 /* -1 means no entry; 0 means no value */ | 172 /* -1 means no entry; 0 means no value. */ |
| 173 if (len <= 0) 174 break; 175 value = malloc(len, M_TEMP, M_WAITOK); 176 if (value == NULL) { 177 error = ENOMEM; 178 break; 179 } 180 len = OF_getprop(node, name, (void *)value, len); 181 error = copyout(value, of->of_buf, len); 182 break; 183 184 case OFIOCSET: 185 /* 186 * Note: Text string values for at least the /options node 187 * have to be null-terminated and the length parameter must | 173 if (len <= 0) 174 break; 175 value = malloc(len, M_TEMP, M_WAITOK); 176 if (value == NULL) { 177 error = ENOMEM; 178 break; 179 } 180 len = OF_getprop(node, name, (void *)value, len); 181 error = copyout(value, of->of_buf, len); 182 break; 183 184 case OFIOCSET: 185 /* 186 * Note: Text string values for at least the /options node 187 * have to be null-terminated and the length parameter must |
| 188 * include this terminating null. However, like OF_getprop(), | 188 * include this terminating null. However, like OF_getprop(), |
| 189 * OF_setprop() will return the actual length of the text 190 * string, i.e. omitting the terminating null. 191 */ 192 if ((flags & FWRITE) == 0) 193 return (EBADF); 194 if (node == 0) 195 return (EINVAL); 196 if ((u_int)of->of_buflen > OFIOCMAXVALUE) --- 72 unchanged lines hidden (view full) --- 269 free(value, M_TEMP); 270 271 return (error); 272} 273 274static int 275openfirm_modevent(module_t mod, int type, void *data) 276{ | 189 * OF_setprop() will return the actual length of the text 190 * string, i.e. omitting the terminating null. 191 */ 192 if ((flags & FWRITE) == 0) 193 return (EBADF); 194 if (node == 0) 195 return (EINVAL); 196 if ((u_int)of->of_buflen > OFIOCMAXVALUE) --- 72 unchanged lines hidden (view full) --- 269 free(value, M_TEMP); 270 271 return (error); 272} 273 274static int 275openfirm_modevent(module_t mod, int type, void *data) 276{ |
| 277 |
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| 277 switch(type) { 278 case MOD_LOAD: 279 if (bootverbose) 280 printf("openfirm: <Open Firmware control device>\n"); 281 /* 282 * Allow only root access by default; this device may allow 283 * users to peek into firmware passwords, and likely to crash 284 * the machine on some boxen due to firmware quirks. --- 18 unchanged lines hidden --- | 278 switch(type) { 279 case MOD_LOAD: 280 if (bootverbose) 281 printf("openfirm: <Open Firmware control device>\n"); 282 /* 283 * Allow only root access by default; this device may allow 284 * users to peek into firmware passwords, and likely to crash 285 * the machine on some boxen due to firmware quirks. --- 18 unchanged lines hidden --- |