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examples: The exec example should be like tutorial one.

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This commit is contained in:
Andreas Schneider
2011-02-08 10:54:25 +01:00
parent 541519e563
commit ac785e0aa3
1 changed files with 48 additions and 44 deletions
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38
examples/exec.c
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@ -8,6 +8,7 @@ int main(void) {
ssh_session session; ssh_session session;
ssh_channel channel; ssh_channel channel;
char buffer[256]; char buffer[256];
uint32_t nbytes;
int rc; int rc;
session = connect_ssh("localhost", NULL, 0); session = connect_ssh("localhost", NULL, 0);
@ -18,40 +19,43 @@ int main(void) {
channel = ssh_channel_new(session);; channel = ssh_channel_new(session);;
if (channel == NULL) { if (channel == NULL) {
ssh_disconnect(session); ssh_disconnect(session);
ssh_free(session);
return 1; return 1;
} }
rc = ssh_channel_open_session(channel); rc = ssh_channel_open_session(channel);
if (rc < 0) { if (rc < 0) {
ssh_channel_close(channel); goto failed;
ssh_disconnect(session);
return 1;
} }
rc = ssh_channel_request_exec(channel, "ps aux"); rc = ssh_channel_request_exec(channel, "lsof");
if (rc < 0) { if (rc < 0) {
ssh_channel_close(channel); goto failed;
ssh_disconnect(session);
return 1;
} }
nbytes = ssh_channel_read(channel, buffer, sizeof(buffer), 0);
while ((rc = ssh_channel_read(channel, buffer, sizeof(buffer), 0)) > 0) { while (nbytes > 0) {
if (fwrite(buffer, 1, rc, stdout) != (unsigned int) rc) { if (fwrite(buffer, 1, nbytes, stdout) != nbytes) {
return 1; goto failed;
} }
nbytes = ssh_channel_read(channel, buffer, sizeof(buffer), 0);
} }
if (rc < 0) { if (nbytes < 0) {
ssh_channel_close(channel); goto failed;
ssh_disconnect(session);
return 1;
} }
ssh_channel_send_eof(channel); ssh_channel_send_eof(channel);
ssh_channel_close(channel); ssh_channel_close(channel);
ssh_channel_free(channel);
ssh_disconnect(session); ssh_free(session);
return 0; return 0;
failed:
ssh_channel_close(channel);
ssh_channel_free(channel);
ssh_disconnect(session);
ssh_free(session);
return 1;
} }