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This commit is contained in:
Michael Jumper
2010-09-06 20:17:41 -07:00
parent 2bf6651fb3
commit 9eb796bf94
2 changed files with 56 additions and 7 deletions
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39
guacamole/proxy/protocol.c
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@@ -207,6 +207,9 @@ guac_instruction* guac_read_instruction(GUACIO* io) {
guac_instruction* parsed_instruction;
int retval;
int i = 0;
int argcount = 0;
int j;
int current_arg = 0;
/* Loop until a instruction is read */
for (;;) {
@@ -214,7 +217,14 @@ guac_instruction* guac_read_instruction(GUACIO* io) {
/* Search for end of instruction */
for (; i < io->instructionbuf_used_length; i++) {
if (io->instructionbuf[i] == ';') {
/* Count arguments as we look for the end */
if (io->instructionbuf[i] == ',')
argcount++;
else if (io->instructionbuf[i] == ':' && argcount == 0)
argcount++;
/* End found ... */
else if (io->instructionbuf[i] == ';') {
/* Parse new instruction */
char* instruction = malloc(i+1);
@@ -222,9 +232,30 @@ guac_instruction* guac_read_instruction(GUACIO* io) {
instruction[i] = '\0'; /* Replace semicolon with null terminator. */
parsed_instruction = malloc(sizeof(guac_instruction));
parsed_instruction->opcode = instruction;
parsed_instruction->argc = 0;
parsed_instruction->argv = NULL;
parsed_instruction->opcode = NULL;
parsed_instruction->argc = argcount;
parsed_instruction->argv = malloc(sizeof(char*) * argcount);
for (j=0; j<i; j++) {
/* If encountered a colon, and no opcode parsed yet, set opcode and following argument */
if (instruction[j] == ':' && parsed_instruction->opcode == NULL) {
instruction[j] = '\0';
parsed_instruction->argv[current_arg++] = &(instruction[j+1]);
parsed_instruction->opcode = instruction;
}
/* If encountered a comma, set following argument */
else if (instruction[j] == ',') {
instruction[j] = '\0';
parsed_instruction->argv[current_arg++] = &(instruction[j+1]);
}
}
/* If no arguments, set opcode to entire instruction */
if (parsed_instruction->opcode == NULL)
parsed_instruction->opcode = instruction;
/* Found. Reset buffer */
memmove(io->instructionbuf, io->instructionbuf + i + 1, io->instructionbuf_used_length - i - 1);