[yocto] [PATCH v2 3/5] rmc: Enable reading the contents of an existing fingerprint file
Todor Minchev
todor.minchev at linux.intel.com
Thu Feb 9 11:17:38 PST 2017
The contents of an existing fingerprint file can be read and output on
the command line with the following options:
rmc -E -f input_fingerprint_file
Signed-off-by: Todor Minchev <todor.minchev at linux.intel.com>
---
src/rmc.c | 98 ++++++++++++++++++++++++++++++++++++++++++---------------------
1 file changed, 65 insertions(+), 33 deletions(-)
diff --git a/src/rmc.c b/src/rmc.c
index 062dd36..f3a2a5e 100644
--- a/src/rmc.c
+++ b/src/rmc.c
@@ -14,43 +14,47 @@
#include <rmc_api.h>
#define USAGE "RMC (Runtime Machine configuration) Tool\n" \
- "NOTE: Most of usages require root permission (sudo)\n" \
+ "NOTE: Most of usages require root permission (sudo)\n\n" \
"rmc -F [-o output_fingerprint]\n" \
"rmc -R [-f <fingerprint file>] -b <blob file list> [-o output_record]\n" \
"rmc -D <rmc record file list> [-o output_database]\n" \
- "rmc -B <name of file blob> -d <rmc database file> -o output_file\n" \
- "\n" \
- "-F: generate board rmc fingerprint of board\n" \
- "-R: generate board rmc record of board with its fingerprint and file blobs.\n" \
- "-f: fingerprint file to be packed in record, rmc will create a fingerprint for board and use it internally to\n" \
- " generate record if -f is missed.\n" \
- "-b: files to be packed in record\n" \
- "-G: generate rmc database file with records specified in record file list\n" \
- "-B: get a flie blob with specified name associated to the board rmc is running on\n" \
- "-d: database file to be queried\n" \
- "-o: path and name of output file of a specific command\n" \
- "\n" \
- "Examples (Steps in an order to add board support into rmc):\n" \
- "generate board fingerprint:\n" \
- "rmc -F\n\n" \
- "generate a rmc record for the board with two file blobs, output to:\n" \
- "a specified file:\n" \
- "rmc -R -f fingerprint -b file_1 file_2 -o my_board.record\n\n" \
- "generate a rmc database file with records from 3 different boards:\n" \
- "rmc -D board1_record board2_record board3_record\n\n" \
- "query a file blob named audio.conf associated to the board rmc is running on in database my_rmc.db and output\n" \
- "to /tmp/new_audio.conf:\n" \
- "rmc -B audio.conf -d my_rmc.db -o /tmp/new_audio.conf\n\n"
+ "rmc -B <name of file blob> -d <rmc database file> -o output_file\n\n" \
+ "-F: manage fingerprint file\n" \
+ "\t-o output_file: store RMC fingerprint of current board in output_file\n" \
+ "-R: generate board rmc record of board with its fingerprint and file blobs.\n" \
+ "\t-f intput_file : input fingerprint file to be packed in record\n\n" \
+ "\tNOTE: RMC will create a fingerprint for the board and use it to\n" \
+ "\tgenerate record if an input fingerprint file is not provided.\n\n" \
+ "\t-b: files to be packed in record\n\n" \
+ "-G: generate rmc database file with records specified in record file list\n\n" \
+ "-B: get a file blob with specified name associated to the board rmc is\n" \
+ "running on\n" \
+ "\t-d: database file to be queried\n" \
+ "\t-o: path and name of output file of a specific command\n\n" \
+ "-E: Extract data from fingerprint file and print it to terminal\n" \
+ "\t-f: fingerprint file to extract\n\n" \
+ "Examples (Steps in an order to add board support into rmc):\n\n" \
+ "1. Generate board fingerprint:\n" \
+ "\trmc -F\n\n" \
+ "2. Generate a rmc record for the board with two file blobs and save it\n" \
+ "to a specified file:\n" \
+ "\trmc -R -f fingerprint -b file_1 file_2 -o my_board.record\n\n" \
+ "3. Generate a rmc database file with records from 3 different boards:\n" \
+ "\trmc -D board1_record board2_record board3_record\n\n" \
+ "4. Query a file blob named audio.conf associated to the board rmc is\n" \
+ "running on in database my_rmc.db and output to /tmp/new_audio.conf:\n" \
+ "\trmc -B audio.conf -d my_rmc.db -o /tmp/new_audio.conf\n\n"
#define RMC_OPT_CAP_F (1 << 0)
#define RMC_OPT_CAP_R (1 << 1)
#define RMC_OPT_CAP_D (1 << 2)
#define RMC_OPT_CAP_B (1 << 3)
-#define RMC_OPT_F (1 << 4)
-#define RMC_OPT_O (1 << 5)
-#define RMC_OPT_B (1 << 6)
-#define RMC_OPT_D (1 << 7)
+#define RMC_OPT_CAP_E (1 << 4)
+#define RMC_OPT_F (1 << 5)
+#define RMC_OPT_O (1 << 6)
+#define RMC_OPT_B (1 << 7)
+#define RMC_OPT_D (1 << 8)
static void usage () {
fprintf(stdout, USAGE);
@@ -78,7 +82,7 @@ static void dump_fingerprint(rmc_fingerprint_t *fp) {
static int write_fingerprint_file(const char* pathname, rmc_fingerprint_t *fp) {
int i;
int first = 0;
-
+ /* TODO - do we need to open/close file multiple times to write each field */
for (i = 0; i < RMC_FINGER_NUM; i++) {
if (write_file(pathname, &fp->rmc_fingers[i].type, sizeof(fp->rmc_fingers[i].type), first))
return 1;
@@ -311,7 +315,7 @@ int main(int argc, char **argv){
/* parse options */
opterr = 0;
- while ((c = getopt(argc, argv, "FRD:B:b:f:o:d:")) != -1)
+ while ((c = getopt(argc, argv, "FRED:B:b:f:o:d:")) != -1)
switch (c) {
case 'F':
options |= RMC_OPT_CAP_F;
@@ -319,6 +323,9 @@ int main(int argc, char **argv){
case 'R':
options |= RMC_OPT_CAP_R;
break;
+ case 'E':
+ options |= RMC_OPT_CAP_E;
+ break;
case 'D':
/* we don't know number of arguments for this option at this point,
* allocate array with argc which is bigger than needed. But we also
@@ -388,7 +395,8 @@ int main(int argc, char **argv){
break;
case '?':
if (optopt == 'F' || optopt == 'R' || optopt == 'D' || optopt == 'B' || \
- optopt == 'b' || optopt == 'f' || optopt == 'o' || optopt == 'd')
+ optopt == 'E' || optopt == 'b' || optopt == 'f' || \
+ optopt == 'o' || optopt == 'd')
fprintf(stderr, "\nWRONG USAGE: -%c\n\n", optopt);
else if (isprint(optopt))
fprintf(stderr, "Unknown option `-%c'.\n\n", optopt);
@@ -421,6 +429,13 @@ int main(int argc, char **argv){
return 1;
}
+ /* sanity check for -E */
+ if ((options & RMC_OPT_CAP_E) && (!(options & RMC_OPT_F))) {
+ fprintf(stderr, "\nERROR: -E requires -f <fingerprint file name>\n\n");
+ usage();
+ return 1;
+ }
+
/* sanity check for -B */
if ((options & RMC_OPT_CAP_B) && (!(options & RMC_OPT_D) || !(options & RMC_OPT_O))) {
fprintf(stderr, "\nWRONG: -B requires -d and -o\n\n");
@@ -445,10 +460,28 @@ int main(int argc, char **argv){
rmc_free_file(&file);
goto main_free;
}
-
rmc_free_file(&file);
}
+ if (options & RMC_OPT_CAP_E) {
+ /* print fingerpring file to console*/
+ if (options & RMC_OPT_F) {
+ rmc_fingerprint_t fp;
+ /* read fingerprint file*/
+ if (input_fingerprint != NULL) {
+ if (read_fingerprint_from_file(input_fingerprint, &fp, &raw_fp)) {
+ fprintf(stderr, "Cannot read fingerprint from %s\n\n",
+ input_fingerprint);
+ goto main_free;
+ }
+ printf("Successfully read fingerprint from %s \n", input_fingerprint);
+ dump_fingerprint(&fp);
+ }else {
+ printf("Fingerprint file not provided! Exiting.\n");
+ }
+ }
+ }
+
/* generate RMC database file */
if (options & RMC_OPT_CAP_D) {
int record_idx = 0;
@@ -580,7 +613,6 @@ int main(int argc, char **argv){
rmc_free_fingerprint(&fingerprint);
goto main_free;
}
-
rmc_free_fingerprint(&fingerprint);
}
--
2.11.1
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