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author | Doug Zongker <dougz@android.com> | 2012-11-02 23:04:05 +0100 |
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committer | Doug Zongker <dougz@android.com> | 2012-11-02 23:09:57 +0100 |
commit | 6c249f7ae890694f061bfde7a3ab52bf367be110 (patch) | |
tree | 15652db30bd69d6ee35210f48e65943767958003 /install.cpp | |
parent | reduce some recovery logging (diff) | |
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Diffstat (limited to 'install.cpp')
-rw-r--r-- | install.cpp | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/install.cpp b/install.cpp index b8f478130..0f3298f1d 100644 --- a/install.cpp +++ b/install.cpp @@ -174,106 +174,6 @@ try_update_binary(const char *path, ZipArchive *zip, int* wipe_cache) { return INSTALL_SUCCESS; } -// Reads a file containing one or more public keys as produced by -// DumpPublicKey: this is an RSAPublicKey struct as it would appear -// as a C source literal, eg: -// -// "{64,0xc926ad21,{1795090719,...,-695002876},{-857949815,...,1175080310}}" -// -// For key versions newer than the original 2048-bit e=3 keys -// supported by Android, the string is preceded by a version -// identifier, eg: -// -// "v2 {64,0xc926ad21,{1795090719,...,-695002876},{-857949815,...,1175080310}}" -// -// (Note that the braces and commas in this example are actual -// characters the parser expects to find in the file; the ellipses -// indicate more numbers omitted from this example.) -// -// The file may contain multiple keys in this format, separated by -// commas. The last key must not be followed by a comma. -// -// Returns NULL if the file failed to parse, or if it contain zero keys. -static RSAPublicKey* -load_keys(const char* filename, int* numKeys) { - RSAPublicKey* out = NULL; - *numKeys = 0; - - FILE* f = fopen(filename, "r"); - if (f == NULL) { - LOGE("opening %s: %s\n", filename, strerror(errno)); - goto exit; - } - - { - int i; - bool done = false; - while (!done) { - ++*numKeys; - out = (RSAPublicKey*)realloc(out, *numKeys * sizeof(RSAPublicKey)); - RSAPublicKey* key = out + (*numKeys - 1); - - char start_char; - if (fscanf(f, " %c", &start_char) != 1) goto exit; - if (start_char == '{') { - // a version 1 key has no version specifier. - key->exponent = 3; - } else if (start_char == 'v') { - int version; - if (fscanf(f, "%d {", &version) != 1) goto exit; - if (version == 2) { - key->exponent = 65537; - } else { - goto exit; - } - } - - if (fscanf(f, " %i , 0x%x , { %u", - &(key->len), &(key->n0inv), &(key->n[0])) != 3) { - goto exit; - } - if (key->len != RSANUMWORDS) { - LOGE("key length (%d) does not match expected size\n", key->len); - goto exit; - } - for (i = 1; i < key->len; ++i) { - if (fscanf(f, " , %u", &(key->n[i])) != 1) goto exit; - } - if (fscanf(f, " } , { %u", &(key->rr[0])) != 1) goto exit; - for (i = 1; i < key->len; ++i) { - if (fscanf(f, " , %u", &(key->rr[i])) != 1) goto exit; - } - fscanf(f, " } } "); - - // if the line ends in a comma, this file has more keys. - switch (fgetc(f)) { - case ',': - // more keys to come. - break; - - case EOF: - done = true; - break; - - default: - LOGE("unexpected character between keys\n"); - goto exit; - } - - LOGI("read key e=%d\n", key->exponent); - } - } - - fclose(f); - return out; - -exit: - if (f) fclose(f); - free(out); - *numKeys = 0; - return NULL; -} - static int really_install_package(const char *path, int* wipe_cache) { |