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Fallback to "/usr/lib:/lib" if libraries aren't found in DT_RPATH

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This commit is contained in:
Pierre Pronchery 2011-07-10 00:21:36 +00:00
parent 81dfb821b0
commit eb74715b31
1 changed files with 9 additions and 6 deletions
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15
tools/elf.c
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@ -43,7 +43,7 @@ static int ELFFUNC(phdr)(char const * filename, FILE * fp, ELFTYPE(Ehdr) * ehdr,
ELFTYPE(Phdr) * phdr);
static int ELFFUNC(phdr_dyn)(char const * filename, FILE * fp,
ELFTYPE(Ehdr) * ehdr, ELFTYPE(Phdr) * phdr, ELFTYPE(Dyn) * dyn);
static void ELFFUNC(phdr_dyn_print)(char const * filename, char const * rpath);
static int ELFFUNC(phdr_dyn_print)(char const * filename, char const * rpath);
static char * ELFFUNC(string)(char const * filename, FILE * fp,
ELFTYPE(Ehdr) * ehdr, ELFTYPE(Addr) addr, ELFTYPE(Addr) index);
@ -147,13 +147,16 @@ static int ELFFUNC(phdr_dyn)(char const * filename, FILE * fp,
if((p = ELFFUNC(string)(filename, fp, ehdr, dyn[s].d_un.d_ptr,
dyn[i].d_un.d_val)) == NULL)
continue;
ELFFUNC(phdr_dyn_print)(p, rpath);
if(ELFFUNC(phdr_dyn_print)(p, rpath) != 0
&& ELFFUNC(phdr_dyn_print)(p,
"/usr/lib:/lib") != 0)
printf("\t%s\n", p);
free(p);
}
return 0;
}
static void ELFFUNC(phdr_dyn_print)(char const * filename, char const * rpath)
static int ELFFUNC(phdr_dyn_print)(char const * filename, char const * rpath)
{
size_t len = strlen(filename);
size_t i;
@ -175,18 +178,18 @@ static void ELFFUNC(phdr_dyn_print)(char const * filename, char const * rpath)
}
p = malloc(i + len + 2);
snprintf(p, i + 1, "%s", rpath);
snprintf(&p[i], len, "/%s", filename);
snprintf(&p[i], len + 2, "/%s", filename);
if((res = stat(p, &st)) == 0)
printf("\t%s => %s\n", filename, p);
free(p);
if(res == 0)
return;
return 0;
if(rpath[i] == '\0')
break;
rpath += i + 1;
i = 0;
}
printf("\t%s\n", filename);
return -1;
}
static char * ELFFUNC(string)(char const * filename, FILE * fp,