diff options
Diffstat (limited to 'ldso/util/readsoname2.c')
-rw-r--r-- | ldso/util/readsoname2.c | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/ldso/util/readsoname2.c b/ldso/util/readsoname2.c deleted file mode 100644 index 1bf47b7c6..000000000 --- a/ldso/util/readsoname2.c +++ /dev/null @@ -1,115 +0,0 @@ -char *readsonameXX(char *name, FILE *infile, int expected_type, int *type) -{ - ElfW(Ehdr) *epnt; - ElfW(Phdr) *ppnt; - int i, j; - char *header; - ElfW(Word) dynamic_addr = 0; - ElfW(Word) dynamic_size = 0; - unsigned long page_size = getpagesize(); - ElfW(Word) strtab_val = 0; - ElfW(Word) needed_val; - ElfW(Sword) loadaddr = -1; - ElfW(Dyn) *dpnt; - struct stat st; - char *needed; - char *soname = NULL; - int multi_libcs = 0; - - if(expected_type == LIB_DLL) - { - warn("%s does not match type specified for directory!", name); - expected_type = LIB_ANY; - } - - *type = LIB_ELF; - - if (fstat(fileno(infile), &st)) - return NULL; - header = mmap(0, st.st_size, PROT_READ, MAP_SHARED, fileno(infile), 0); - if (header == (caddr_t)-1) - return NULL; - - epnt = (ElfW(Ehdr) *)header; - if ((char *)(epnt+1) > (char *)(header + st.st_size)) - goto skip; - - ppnt = (ElfW(Phdr) *)&header[epnt->e_phoff]; - if ((char *)ppnt < (char *)header || - (char *)(ppnt+epnt->e_phnum) > (char *)(header + st.st_size)) - goto skip; - - for(i = 0; i < epnt->e_phnum; i++) - { - if (loadaddr == -1 && ppnt->p_type == PT_LOAD) - loadaddr = (ppnt->p_vaddr & ~(page_size-1)) - - (ppnt->p_offset & ~(page_size-1)); - if(ppnt->p_type == 2) - { - dynamic_addr = ppnt->p_offset; - dynamic_size = ppnt->p_filesz; - }; - ppnt++; - }; - - dpnt = (ElfW(Dyn) *) &header[dynamic_addr]; - dynamic_size = dynamic_size / sizeof(ElfW(Dyn)); - if ((char *)dpnt < (char *)header || - (char *)(dpnt+dynamic_size) > (char *)(header + st.st_size)) - goto skip; - - while (dpnt->d_tag != DT_NULL) - { - if (dpnt->d_tag == DT_STRTAB) - strtab_val = dpnt->d_un.d_val; - dpnt++; - }; - - if (!strtab_val) - goto skip; - - dpnt = (ElfW(Dyn) *) &header[dynamic_addr]; - while (dpnt->d_tag != DT_NULL) - { - if (dpnt->d_tag == DT_SONAME || dpnt->d_tag == DT_NEEDED) - { - needed_val = dpnt->d_un.d_val; - if (needed_val + strtab_val - loadaddr >= 0 || - needed_val + strtab_val - loadaddr < st.st_size) - { - needed = (char *) (header - loadaddr + strtab_val + needed_val); - - if (dpnt->d_tag == DT_SONAME) - soname = xstrdup(needed); - - for (j = 0; needed_tab[j].soname != NULL; j++) - { - if (strcmp(needed, needed_tab[j].soname) == 0) - { - if (*type != LIB_ELF && *type != needed_tab[j].type) - multi_libcs = 1; - *type = needed_tab[j].type; - } - } - } - } - dpnt++; - }; - - if (multi_libcs) - warn("%s appears to be for multiple libc's", name); - - /* If we could not deduce the libc type, and we know what to expect, set the type */ - if(*type == LIB_ELF && expected_type != LIB_ANY) *type = expected_type; - - if(expected_type != LIB_ANY && expected_type != LIB_ELF && - expected_type != *type) - { - warn("%s does not match type specified for directory!", name); - } - - skip: - munmap(header, st.st_size); - - return soname; -} |