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https://github.com/servalproject/serval-dna.git
synced 2024-12-19 05:07:56 +00:00
Make commandline.c error messages appear on Android log
This commit is contained in:
Andrew Bettison
parent
490d9ef472
commit
eab6dafcc7
119
commandline.c
119
commandline.c
@ -38,22 +38,13 @@ static int servalNodeRunning(int *pid)
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const char *instancepath = serval_instancepath();
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struct stat st;
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int r=stat(instancepath,&st);
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if (r) {
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fprintf(stderr,
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"ERROR: Instance path '%s' non existant or not accessable.\n"
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" Operating system says: %s (errno=%d)\n",
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instancepath,strerror(errno),errno);
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fprintf(stderr,
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" (Set SERVALINSTANCE_PATH to specify an alternate location.)\n");
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return -1;
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}
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if ((st.st_mode&S_IFMT)!=S_IFDIR) {
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fprintf(stderr,
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"ERROR: Instance path must be a valid directory.\n"
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" '%s' is not a directory.\n",instancepath);
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*pid=-1;
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return -1;
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}
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if (r)
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return setReason("Instance path '%s' non existant or not accessable: %s [errno=%d]"
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" (Set SERVALINSTANCE_PATH to specify an alternate location)",
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instancepath, strerror(errno), errno
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);
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if ((st.st_mode&S_IFMT)!=S_IFDIR)
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return setReason("Instance path '%s' is not a directory", instancepath);
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int running=0;
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char filename[1024];
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@ -218,6 +209,25 @@ JNIEXPORT jint JNICALL Java_org_servalproject_servald_ServalD_rawCommand(JNIEnv
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#endif /* HAVE_JNI_H */
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static void complainCommandLine(const char *prefix, int argc, const char *const *argv)
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{
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char buf[1024];
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char *b = buf;
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int i;
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char *e = buf + sizeof(buf) - 4;
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for (i = 0; b < e && i != argc; ++i) {
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if (i)
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*b++ = ' ';
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if (b < e)
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b += snprintf(b, e - b, "%s", argv[i]);
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}
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if (b < e)
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*b = '\0';
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else
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strcpy(e, "...");
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setReason("%s%s", prefix, buf);
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}
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/* args[] excludes command name (unless hardlinks are used to use first words
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of command sequences as alternate names of the command. */
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int parseCommandLine(int argc, const char *const *args)
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@ -234,19 +244,19 @@ int parseCommandLine(int argc, const char *const *args)
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for (j = 0; (word = command_line_options[i].words[j]); ++j) {
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int wordlen = strlen(word);
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if (optional < 0) {
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fprintf(stderr,"Internal error: command_line_options[%d].word[%d]=\"%s\" not allowed after \"...\"\n", i, j, word);
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WHYF("Internal error: command_line_options[%d].word[%d]=\"%s\" not allowed after \"...\"", i, j, word);
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break;
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}
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else if (!( (wordlen > 2 && word[0] == '<' && word[wordlen-1] == '>')
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|| (wordlen > 4 && word[0] == '[' && word[1] == '<' && word[wordlen-2] == '>' && word[wordlen-1] == ']')
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|| (wordlen > 0)
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)) {
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fprintf(stderr,"Internal error: command_line_options[%d].word[%d]=\"%s\" is malformed\n", i, j, word);
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WHYF("Internal error: command_line_options[%d].word[%d]=\"%s\" is malformed", i, j, word);
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break;
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} else if (word[0] == '<') {
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++mandatory;
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if (optional) {
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fprintf(stderr,"Internal error: command_line_options[%d].word[%d]=\"%s\" should be optional\n", i, j, word);
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WHYF("Internal error: command_line_options[%d].word[%d]=\"%s\" should be optional", i, j, word);
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break;
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}
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} else if (word[0] == '[') {
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@ -265,14 +275,12 @@ int parseCommandLine(int argc, const char *const *args)
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that the call is ambiguous. */
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if (cli_call>=0) ambiguous++;
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if (ambiguous==1) {
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fprintf(stderr,"Ambiguous command line call:\n ");
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for(j=0;j<argc;j++) fprintf(stderr," %s",args[j]);
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fprintf(stderr,"\nMatches the following known command line calls:\n");
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setReason("Ambiguous command line call:");
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complainCommandLine(" ", argc, args);
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setReason("Matches the following known command line calls:");
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}
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if (ambiguous) {
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fprintf(stderr," ");
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for(j=0;j<argc;j++) fprintf(stderr," %s",command_line_options[i].words[j]);
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fprintf(stderr,"\n");
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complainCommandLine(" ", argc, command_line_options[i].words);
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}
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cli_call=i;
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}
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@ -282,8 +290,8 @@ int parseCommandLine(int argc, const char *const *args)
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if (ambiguous) return -1;
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/* Complain if we found no matching calls */
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if (cli_call<0) {
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fprintf(stderr,"Unknown command line call:\n ");
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int j; for(j=0;j<argc;j++) fprintf(stderr," %s",args[j]);
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setReason("Unknown command line call:");
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complainCommandLine(" ", argc, args);
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return cli_usage();
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}
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@ -309,10 +317,8 @@ int cli_arg(int argc, const char *const *argv, command_line_option *o, char *arg
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|| (wordlen == arglen + 4 && word[0] == '[' && !strncasecmp(&word[2], argname, arglen)))
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) {
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const char *value = argv[i];
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if (validator && !(*validator)(value)) {
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fprintf(stderr, "Invalid argument %d '%s': \"%s\"\n", i, argname, value);
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return -1;
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}
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if (validator && !(*validator)(value))
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return setReason("Invalid argument %d '%s': \"%s\"", i, argname, value);
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*dst = value;
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return 0;
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}
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@ -492,7 +498,7 @@ int app_dna_lookup(int argc, const char *const *argv, struct command_line_option
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{
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if (rx.packetTypeAndFlags==MDP_ERROR)
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{
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fprintf(stderr," Error message: %s\n",mdp.error.message);
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WHYF(" Error message: %s", mdp.error.message);
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}
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else if ((rx.packetTypeAndFlags&MDP_TYPE_MASK)==MDP_TX) {
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/* Display match unless it is a duplicate.
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@ -534,12 +540,12 @@ char *confValueGet(char *var,char *defaultValue)
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char filename[1024];
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if (!FORM_SERVAL_INSTANCE_PATH(filename, "serval.conf")) {
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fprintf(stderr, "Using default value of %s: %s\n", var, defaultValue);
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WHYF("Using default value of %s: %s", var, defaultValue);
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return defaultValue;
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}
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FILE *f = fopen(filename,"r");
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if (!f) {
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fprintf(stderr, "Cannot open serval.conf. Using default value of %s: %s\n", var, defaultValue);
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WHYF("Cannot open serval.conf, using default value of %s: %s", var, defaultValue);
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return defaultValue;
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}
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@ -585,18 +591,15 @@ int app_server_start(int argc, const char *const *argv, struct command_line_opti
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network interfaces that we will take interest in. */
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overlay_interface_args(confValueGet("interfaces",""));
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if (strlen(confValueGet("interfaces",""))<1) {
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fprintf(stderr,
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"WARNING: Noone has told me which network interfaces to listen on.\n"
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" You should probably put something in the interfaces setting.\n");
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WHY("Noone has told me which network interfaces to listen on; "
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"you should probably put something in the interfaces setting.");
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}
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int pid=-1;
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int running = servalNodeRunning(&pid);
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if (running<0) return -1;
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if (running>0) {
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fprintf(stderr,"ERROR: Serval process already running (pid=%d)\n",pid);
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return -1;
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}
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if (running>0)
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return WHYF("Serval process already running (pid=%d)", pid);
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/* Start the Serval process.
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All server settings will be read by the server process from the
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instance directory when it starts up.
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@ -643,7 +646,7 @@ int app_server_stop(int argc, const char *const *argv, struct command_line_optio
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fclose(f);
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int result=kill(pid,SIGHUP);
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if (!result) {
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fprintf(stderr,"Stop request sent to Serval process.\n");
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WHY("Stop request sent to Serval process.");
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} else {
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WHY("Could not send SIGHUP to Serval process.");
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switch (errno) {
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@ -667,7 +670,7 @@ int app_server_stop(int argc, const char *const *argv, struct command_line_optio
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pid=-1;
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int running = servalNodeRunning(&pid);
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if (running<1) {
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fprintf(stderr,"Serval process appears to have stopped.\n");
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WHY("Serval process appears to have stopped.");
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return 0;
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}
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}
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@ -755,7 +758,7 @@ int app_mdp_ping(int argc, const char *const *argv, struct command_line_option *
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long long rx_times[1024];
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if (broadcast)
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fprintf(stderr,"WARNING: broadcast ping packets will not be encryped.\n");
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WHY("WARNING: broadcast ping packets will not be encryped.");
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while(1) {
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/* Now send the ping packets */
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mdp.packetTypeAndFlags=MDP_TX;
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@ -773,10 +776,9 @@ int app_mdp_ping(int argc, const char *const *argv, struct command_line_option *
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int res=overlay_mdp_send(&mdp,0,0);
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if (res) {
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fprintf(stderr,"ERROR: Could not dispatch PING frame #%d (error %d)\n",
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sequence_number-firstSeq,res);
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if (mdp.packetTypeAndFlags==MDP_ERROR)
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fprintf(stderr," Error message: %s\n",mdp.error.message);
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WHYF("ERROR: Could not dispatch PING frame #%d (error %d)", sequence_number - firstSeq, res);
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if (mdp.packetTypeAndFlags==MDP_ERROR)
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WHYF(" Error message: %s", mdp.error.message);
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} else tx_count++;
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/* Now look for replies until one second has passed, and print any replies
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@ -793,8 +795,7 @@ int app_mdp_ping(int argc, const char *const *argv, struct command_line_option *
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while (overlay_mdp_recv(&mdp,&ttl)==0) {
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switch(mdp.packetTypeAndFlags&MDP_TYPE_MASK) {
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case MDP_ERROR:
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fprintf(stderr,"mdpping: overlay_mdp_recv: %s (code %d)\n",
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mdp.error.message,mdp.error.error);
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WHYF("mdpping: overlay_mdp_recv: %s (code %d)", mdp.error.message, mdp.error.error);
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break;
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case MDP_TX:
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{
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@ -814,8 +815,7 @@ int app_mdp_ping(int argc, const char *const *argv, struct command_line_option *
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}
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break;
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default:
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fprintf(stderr,"mdpping: overlay_mdp_recv: Unexpected MDP frame type"
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" 0x%x\n",mdp.packetTypeAndFlags);
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WHYF("mdpping: overlay_mdp_recv: Unexpected MDP frame type 0x%x", mdp.packetTypeAndFlags);
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break;
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}
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}
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@ -1114,7 +1114,7 @@ int app_keyring_create(int argc, const char *const *argv, struct command_line_op
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const char *pin;
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cli_arg(argc, argv, o, "pin,pin ...", &pin, NULL, "");
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keyring_file *k=keyring_open_with_pins(pin);
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if (!k) fprintf(stderr,"keyring create:Failed to create/open keyring file\n");
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if (!k) WHY("keyring create: Failed to create/open keyring file");
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return 0;
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}
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@ -1156,18 +1156,13 @@ int app_keyring_add(int argc, const char *const *argv, struct command_line_optio
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cli_arg(argc, argv, o, "pin", &pin, NULL, "");
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keyring_file *k=keyring_open_with_pins("");
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if (!k) { fprintf(stderr,"keyring add:Failed to create/open keyring file\n");
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if (!k) { WHY("keyring add: Failed to create/open keyring file");
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return -1; }
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if (keyring_create_identity(k,k->contexts[0],(char *)pin)==NULL)
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{
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fprintf(stderr,"Could not create new identity (keyring_create_identity() failed)\n");
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return -1;
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}
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if (keyring_commit(k)) {
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fprintf(stderr,"Could not write new identity (keyring_commit() failed)\n");
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return -1;
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}
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return setReason("Could not create new identity (keyring_create_identity() failed)");
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if (keyring_commit(k))
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return setReason("Could not write new identity (keyring_commit() failed)");
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keyring_free(k);
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return 0;
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}
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4
serval.h
4
serval.h
@ -1356,11 +1356,11 @@ int vomp_send_status(vomp_call_state *call,int flags,overlay_mdp_frame *arg);
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typedef struct command_line_option {
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int (*function)(int argc, const char *const *argv, struct command_line_option *o);
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char *words[32]; // 32 words should be plenty!
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const char *words[32]; // 32 words should be plenty!
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unsigned long long flags;
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#define CLIFLAG_NONOVERLAY (1<<0) /* Uses a legacy IPv4 DNA call instead of overlay mnetwork */
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#define CLIFLAG_STANDALONE (1<<1) /* Cannot be issued to a running instance */
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char *description; // describe this invocation
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const char *description; // describe this invocation
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} command_line_option;
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extern command_line_option command_line_options[];
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@ -23,7 +23,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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int main(int argc,char **argv)
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{
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void *h = dlopen("/data/data/org.servalproject/lib/libserval.so",RTLD_LAZY);
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int (*servalmain)(int,char **) = dlsym(h,"parseCommandLine");
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int (*servalmain)(int,const char *const*) = dlsym(h,"parseCommandLine");
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if (!servalmain) return fprintf(stderr,"Could not load libserval.so\n");
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return (*servalmain)(argc - 1, (const char*const*)&argv[1]);
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