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commit: d068777db733ceef935d88c94473b641fa262cf2 |
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Author: Anthony G. Basile <basile <AT> opensource <DOT> dyc <DOT> edu> |
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AuthorDate: Thu May 5 22:23:57 2011 +0000 |
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Commit: Anthony G. Basile <blueness <AT> gentoo <DOT> org> |
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CommitDate: Thu May 5 22:23:57 2011 +0000 |
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URL: http://git.overlays.gentoo.org/gitweb/?p=proj/elfix.git;a=commit;h=d068777d |
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|
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poc/mangle-paxflags.c: print out PT_PAX_FLAGS if found |
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|
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--- |
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poc/mangle-paxflags.c | 30 ++++++++++++++++++++---------- |
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1 files changed, 20 insertions(+), 10 deletions(-) |
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|
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diff --git a/poc/mangle-paxflags.c b/poc/mangle-paxflags.c |
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index 76fe56b..8853b13 100644 |
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--- a/poc/mangle-paxflags.c |
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+++ b/poc/mangle-paxflags.c |
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@@ -38,7 +38,7 @@ |
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#define HF_PAX_SEGMEXEC 32 // 0: Segmentation based non-exec pages |
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|
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|
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-#define PRINT(E,F,I) printf("%s: %s\n", #E, E & F ? ( I ? "enabled" : "disabled" ) : ( I ? "disabled" : "enabled" ) ); |
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+#define PRINT(E,F,I) printf("%s:\t%s\n", #E, E & F ? ( I ? "enabled" : "disabled" ) : ( I ? "disabled" : "enabled" ) ); |
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#define CASE(N,P) case P: printf("%d: %s\n", (int)N, #P); break |
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|
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|
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@@ -74,8 +74,7 @@ int |
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main( int argc, char *argv[]) |
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{ |
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int fd; |
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- int flag_ei_pax, flag_pt_pax_flags; |
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- int found_ei_pax, found_pt_pax_flags; |
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+ int flag_ei_pax, flag_pt_pax_flags, found_ei_pax; |
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char *f_name; |
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size_t i, phnum; |
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|
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@@ -130,7 +129,6 @@ main( int argc, char *argv[]) |
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} |
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|
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printf("==== PHRDs ====\n") ; |
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- found_pt_pax_flags = 0 ; |
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elf_getphdrnum(elf, &phnum); |
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for(i=0; i<phnum; ++i) |
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{ |
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@@ -162,19 +160,31 @@ main( int argc, char *argv[]) |
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CASE(i,PT_HIPROC); |
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} |
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|
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+ if(phdr.p_type == PT_PAX_FLAGS) |
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+ { |
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+ PRINT(PF_PAGEEXEC, phdr.p_flags, 1); |
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+ PRINT(PF_NOPAGEEXEC, phdr.p_flags, 1); |
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+ PRINT(PF_SEGMEXEC, phdr.p_flags, 1); |
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+ PRINT(PF_NOSEGMEXEC, phdr.p_flags, 1); |
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+ PRINT(PF_MPROTECT, phdr.p_flags, 1); |
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+ PRINT(PF_NOMPROTECT, phdr.p_flags, 1); |
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+ PRINT(PF_RANDEXEC, phdr.p_flags, 1); |
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+ PRINT(PF_NORANDEXEC, phdr.p_flags, 1); |
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+ PRINT(PF_EMUTRAMP, phdr.p_flags, 1); |
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+ PRINT(PF_NOEMUTRAMP, phdr.p_flags, 1); |
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+ PRINT(PF_RANDMMAP, phdr.p_flags, 1); |
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+ PRINT(PF_NORANDMMAP, phdr.p_flags, 1); |
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+ } |
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+ |
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if((phdr.p_type == PT_PAX_FLAGS) && flag_pt_pax_flags ) |
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{ |
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- found_pt_pax_flags = 1 ; |
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+ printf("CONVERTED -> PT_NULL\n\n"); |
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phdr.p_type = PT_NULL; |
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if(!gelf_update_phdr(elf, i, &phdr)) |
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error(EXIT_FAILURE, 0, "gelf_update_phdr(): %s", elf_errmsg(elf_errno())); |
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} |
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} |
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- |
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- if( found_pt_pax_flags ) |
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- printf("Setting PT_PAX_FLAGS to PT_NULL\n\n"); |
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- else |
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- printf("\n\n"); |
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+ printf("\n\n"); |
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|
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elf_end(elf); |
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close(fd); |
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