| 297 |
return ret; |
return ret; |
| 298 |
} |
} |
| 299 |
|
|
| 300 |
|
static int sPopCount(const char *s, const char *c) |
| 301 |
|
{ |
| 302 |
|
int ret = 0; |
| 303 |
|
if (!s) |
| 304 |
|
return -1; |
| 305 |
|
for (int i = 0; s[i] != '\0'; i++) |
| 306 |
|
for (int j = 0; c[j] != '\0'; j++) |
| 307 |
|
if (s[i] == c[j]) |
| 308 |
|
ret++; |
| 309 |
|
return ret; |
| 310 |
|
} |
| 311 |
|
|
| 312 |
|
static char *shellEscape(const char *s) |
| 313 |
|
{ |
| 314 |
|
int l = strlen(s) + sPopCount(s, "'") * 2; |
| 315 |
|
|
| 316 |
|
char *ret = calloc(l+1, sizeof (*ret)); |
| 317 |
|
if (!ret) |
| 318 |
|
return NULL; |
| 319 |
|
for (int i = 0, j = 0; s[i] != '\0'; i++, j++) { |
| 320 |
|
if (s[i] == '\'') |
| 321 |
|
ret[j++] = '\\'; |
| 322 |
|
ret[j] = s[i]; |
| 323 |
|
} |
| 324 |
|
return ret; |
| 325 |
|
} |
| 326 |
|
|
| 327 |
|
static void unquote(char *s) |
| 328 |
|
{ |
| 329 |
|
int l = strlen(s); |
| 330 |
|
|
| 331 |
|
if ((s[l-1] == '\'' && s[0] == '\'') || (s[l-1] == '"' && s[0] == '"')) { |
| 332 |
|
memmove(s, s+1, l-2); |
| 333 |
|
s[l-2] = '\0'; |
| 334 |
|
} |
| 335 |
|
} |
| 336 |
|
|
| 337 |
static int grub2SetEnv(struct configFileInfo *info, char *name, char *value) |
static int grub2SetEnv(struct configFileInfo *info, char *name, char *value) |
| 338 |
{ |
{ |
| 339 |
char *s = NULL; |
char *s = NULL; |
| 340 |
int rc = 0; |
int rc = 0; |
| 341 |
char *envFile = info->envFile ? info->envFile : "/boot/grub2/grubenv"; |
char *envFile = info->envFile ? info->envFile : "/boot/grub2/grubenv"; |
| 342 |
|
|
| 343 |
|
unquote(value); |
| 344 |
|
value = shellEscape(value); |
| 345 |
|
if (!value) |
| 346 |
|
return -1; |
| 347 |
|
|
| 348 |
rc = asprintf(&s, "grub2-editenv %s set '%s=%s'", envFile, name, value); |
rc = asprintf(&s, "grub2-editenv %s set '%s=%s'", envFile, name, value); |
| 349 |
|
free(value); |
| 350 |
if (rc <0) |
if (rc <0) |
| 351 |
return -1; |
return -1; |
| 352 |
|
|
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