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Lines 175-190
selinux_enabled_check (void)
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| 175 |
/* On PaX enable kernels that have MPROTECT enable we can't use PROT_EXEC. */ |
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/* On PaX enable kernels that have MPROTECT enable we can't use PROT_EXEC. */ |
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#ifdef FFI_MMAP_EXEC_EMUTRAMP_PAX |
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#ifdef FFI_MMAP_EXEC_EMUTRAMP_PAX |
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#include <stdlib.h> |
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#include <stdlib.h> |
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#include <syslog.h> |
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static int emutramp_enabled = -1; |
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static int emutramp_enabled = -1; |
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static int |
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static int |
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emutramp_enabled_check (void) |
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emutramp_enabled_check (void) |
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{ |
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{ |
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if (getenv ("FFI_DISABLE_EMUTRAMP") == NULL) |
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char *buf = NULL; |
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return 1; |
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size_t len = 0; |
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else |
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FILE *f; |
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return 0; |
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int ret; |
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f = fopen ("/proc/self/status", "r"); |
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if (f == NULL) |
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{ |
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/* We can't read the needed info from /proc */ |
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syslog (LOG_INFO, "Can't read /proc/self/status"); |
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return 0; |
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} |
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ret = 0; |
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while (getline (&buf, &len, f) != -1) |
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if (!strncmp (buf, "PaX:", 4)) |
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{ |
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char emutramp; |
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if (sscanf (buf, "%*s %*c%c", &emutramp) == 1) |
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ret = (emutramp == 'E'); |
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if (ret == 0) |
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syslog (LOG_INFO, "Emutramp in not enable."); |
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break; |
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} |
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free (buf); |
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fclose (f); |
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return ret; |
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} |
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} |
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| 190 |
#define is_emutramp_enabled() (emutramp_enabled >= 0 ? emutramp_enabled \ |
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#define is_emutramp_enabled() (emutramp_enabled >= 0 ? emutramp_enabled \ |
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Lines 197-202
emutramp_enabled_check (void)
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| 197 |
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| 198 |
/* Cygwin is Linux-like, but not quite that Linux-like. */ |
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/* Cygwin is Linux-like, but not quite that Linux-like. */ |
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#define is_selinux_enabled() 0 |
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#define is_selinux_enabled() 0 |
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#define is_emutramp_enabled() 0 |
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| 201 |
#endif /* !defined(X86_WIN32) && !defined(X86_WIN64) */ |
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#endif /* !defined(X86_WIN32) && !defined(X86_WIN64) */ |
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