X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/c1cc0506c3069a9d93d71321f9578150662ede91..b904efc3a1bb105461139e010d330caf32af0657:/test/src/server.c diff --git a/test/src/server.c b/test/src/server.c index 0d6e5fe90..8fda1d4b0 100644 --- a/test/src/server.c +++ b/test/src/server.c @@ -26,9 +26,10 @@ on all interfaces, unless the option -noipv6 is given. */ #include #include #include +#include #ifdef HAVE_NETINET_IP_VAR_H -#include +# include #endif #include @@ -52,25 +53,32 @@ on all interfaces, unless the option -noipv6 is given. */ #ifndef CS # define CS (char *) +# define CCS (const char *) #endif typedef struct line { struct line *next; + unsigned len; char line[1]; } line; +typedef unsigned BOOL; +#define FALSE 0 +#define TRUE 1 + /************************************************* * SIGALRM handler - crash out * *************************************************/ +int tmo_noerror = 0; static void sigalrm_handler(int sig) { sig = sig; /* Keep picky compilers happy */ printf("\nServer timed out\n"); -exit(99); +exit(tmo_noerror ? 0 : 99); } @@ -123,6 +131,25 @@ return buffer; } + +static void +printit(char * s, int n) +{ +while(n--) + { + unsigned char c = *s++; + if (c == '\\') + printf("\\\\"); + else if (c >= ' ' && c <= '~') /* assumes ascii */ + putchar(c); + else + printf("\\x%02x", c); + } +putchar('\n'); +} + + + /************************************************* * Main Program * *************************************************/ @@ -132,7 +159,8 @@ return buffer; #define udn 2 /* Unix domain socket number */ #define skn 2 /* Potential number of sockets */ -int main(int argc, char **argv) +int +main(int argc, char **argv) { int i; int port = 0; @@ -143,6 +171,7 @@ int connection_count = 1; int count; int on = 1; int timeout = 5; +int initial_pause = 0, tfo = 0; int use_ipv4 = 1; int use_ipv6 = 1; int debug = 0; @@ -151,6 +180,8 @@ line *script = NULL; line *last = NULL; line *s; FILE *in, *out; +int linebuf = 1; +char *pidfile = NULL; char *sockname = NULL; unsigned char buffer[10240]; @@ -175,16 +206,36 @@ int len = sizeof(accepted); /* Sort out the arguments */ +if (argc > 1 && (!strcmp(argv[1], "--help") || !strcmp(argv[1], "-h"))) + { + printf("Usage: %s [options] port|socket [connection count]\n", argv[0]); + puts("Options" + "\n\t-d debug" + "\n\t-i n n seconds initial delay" + "\n\t-noipv4 disable ipv4" + "\n\t-noipv6 disable ipv6" + "\n\t-oP file write PID to file" + "\n\t-t n n seconds timeout" + "\n\t-tfo enable TCP Fast Open" + ); + exit(0); + } while (na < argc && argv[na][0] == '-') { if (strcmp(argv[na], "-d") == 0) debug = 1; - else if (strcmp(argv[na], "-t") == 0) timeout = atoi(argv[++na]); + else if (strcmp(argv[na], "-tfo") == 0) tfo = 1; + else if (strcmp(argv[na], "-t") == 0) + { + if (tmo_noerror = ((timeout = atoi(argv[++na])) < 0)) timeout = -timeout; + } + else if (strcmp(argv[na], "-i") == 0) initial_pause = atoi(argv[++na]); else if (strcmp(argv[na], "-noipv4") == 0) use_ipv4 = 0; else if (strcmp(argv[na], "-noipv6") == 0) use_ipv6 = 0; + else if (strcmp(argv[na], "-oP") == 0) pidfile = argv[++na]; else { - printf("server: unknown option %s\n", argv[na]); + printf("server: unknown option %s, try -h or --help\n", argv[na]); exit(1); } na++; @@ -213,11 +264,22 @@ na++; if (na < argc) connection_count = atoi(argv[na]); +/* Initial pause (before creating listen sockets */ +if (initial_pause > 0) + { + if (debug) + printf("%ld: Inital pause of %d seconds\n", (long)time(NULL), initial_pause); + else + printf("Inital pause of %d seconds\n", initial_pause); + while (initial_pause > 0) + initial_pause = sleep(initial_pause); + } + /* Create sockets */ if (port == 0) /* Unix domain */ { - if (debug) printf("Creating Unix domain socket\n"); + if (debug) printf("%ld: Creating Unix domain socket\n", (long) time(NULL)); listen_socket[udn] = socket(PF_UNIX, SOCK_STREAM, 0); if (listen_socket[udn] < 0) { @@ -237,7 +299,15 @@ else printf("IPv6 socket creation failed: %s\n", strerror(errno)); exit(1); } - +#if defined(TCP_FASTOPEN) && !defined(__APPLE__) + if (tfo) + { + int backlog = 5; + if (setsockopt(listen_socket[v6n], IPPROTO_TCP, TCP_FASTOPEN, + &backlog, sizeof(backlog))) + if (debug) printf("setsockopt TCP_FASTOPEN: %s\n", strerror(errno)); + } +#endif /* If this is an IPv6 wildcard socket, set IPV6_V6ONLY if that option is available. */ @@ -261,6 +331,15 @@ else printf("IPv4 socket creation failed: %s\n", strerror(errno)); exit(1); } +#if defined(TCP_FASTOPEN) && !defined(__APPLE__) + if (tfo) + { + int backlog = 5; + if (setsockopt(listen_socket[v4n], IPPROTO_TCP, TCP_FASTOPEN, + &backlog, sizeof(backlog))) + if (debug) printf("setsockopt TCP_FASTOPEN: %s\n", strerror(errno)); + } +#endif } } @@ -323,7 +402,7 @@ else sin6.sin6_addr = anyaddr6; if (bind(listen_socket[i], (struct sockaddr *)&sin6, sizeof(sin6)) < 0) { - printf("IPv6 socket bind() failed: %s\n", strerror(errno)); + printf("IPv6 socket bind(port %d) failed: %s\n", port, strerror(errno)); exit(1); } } @@ -340,10 +419,9 @@ else sin4.sin_addr.s_addr = (S_ADDR_TYPE)INADDR_ANY; sin4.sin_port = htons(port); if (bind(listen_socket[i], (struct sockaddr *)&sin4, sizeof(sin4)) < 0) - { if (listen_socket[v6n] < 0 || errno != EADDRINUSE) { - printf("IPv4 socket bind() failed: %s\n", strerror(errno)); + printf("IPv4 socket bind(port %d) failed: %s\n", port, strerror(errno)); exit(1); } else @@ -351,7 +429,6 @@ else close(listen_socket[i]); listen_socket[i] = -1; } - } } } } @@ -362,37 +439,75 @@ error because it means that the IPv6 socket will handle IPv4 connections. Don't output anything, because it will mess up the test output, which will be different for systems that do this and those that don't. */ -for (i = 0; i <= skn; i++) +for (i = 0; i <= skn; i++) if (listen_socket[i] >= 0) { - if (listen_socket[i] >= 0 && listen(listen_socket[i], 5) < 0) - { + if (listen(listen_socket[i], 5) < 0) if (i != v4n || listen_socket[v6n] < 0 || errno != EADDRINUSE) { printf("listen() failed: %s\n", strerror(errno)); exit(1); } - } + +#if defined(TCP_FASTOPEN) && defined(__APPLE__) + if ( tfo + && setsockopt(listen_socket[v4n], IPPROTO_TCP, TCP_FASTOPEN, &on, sizeof(on)) + && debug) + printf("setsockopt TCP_FASTOPEN: %s\n", strerror(errno)); +#endif } +if (pidfile) + { + FILE * p; + if (!(p = fopen(pidfile, "w"))) + { + fprintf(stderr, "pidfile create failed: %s\n", strerror(errno)); + exit(1); + } + fprintf(p, "%ld\n", (long)getpid()); + fclose(p); + } + /* This program handles only a fixed number of connections, in sequence. Before waiting for the first connection, read the standard input, which contains the script of things to do. A line containing "++++" is treated as end of file. This is so that the Perl driving script doesn't have to close the pipe - because that would cause it to wait for this process, which it doesn't yet want to do. The driving script adds the "++++" automatically - it doesn't actually -appear in the test script. */ +appear in the test script. Within lines we interpret \xNN and \\ groups */ while (fgets(CS buffer, sizeof(buffer), stdin) != NULL) { line *next; + char * d; int n = (int)strlen(CS buffer); + + if (n > 1 && buffer[0] == '>' && buffer[1] == '>') + linebuf = 0; while (n > 0 && isspace(buffer[n-1])) n--; buffer[n] = 0; if (strcmp(CS buffer, "++++") == 0) break; next = malloc(sizeof(line) + n); next->next = NULL; - strcpy(next->line, CS buffer); + d = next->line; + { + char * s = CS buffer; + do + { + char ch; + char cl = *s; + if (cl == '\\' && (cl = *++s) == 'x') + { + if ((ch = *++s - '0') > 9 && (ch -= 'A'-'9'-1) > 15) ch -= 'a'-'A'; + if ((cl = *++s - '0') > 9 && (cl -= 'A'-'9'-1) > 15) cl -= 'a'-'A'; + cl |= ch << 4; + } + *d++ = cl; + } + while (*s++); + } + next->len = d - next->line - 1; if (last == NULL) script = last = next; else last->next = next; last = next; @@ -410,6 +525,11 @@ s = script; for (count = 0; count < connection_count; count++) { + struct { + int left; + BOOL in_use; + } content_length = { 0, FALSE }; + alarm(timeout); if (port <= 0) { @@ -435,8 +555,7 @@ for (count = 0; count < connection_count; count++) if (listen_socket[i] > max_socket) max_socket = listen_socket[i]; } - lcount = select(max_socket + 1, &select_listen, NULL, NULL, NULL); - if (lcount < 0) + if ((lcount = select(max_socket + 1, &select_listen, NULL, NULL, NULL)) < 0) { printf("Select failed\n"); fflush(stdout); @@ -445,7 +564,6 @@ for (count = 0; count < connection_count; count++) accept_socket = -1; for (i = 0; i < skn; i++) - { if (listen_socket[i] > 0 && FD_ISSET(listen_socket[i], &select_listen)) { accept_socket = accept(listen_socket[i], @@ -453,7 +571,6 @@ for (count = 0; count < connection_count; count++) FD_CLR(listen_socket[i], &select_listen); break; } - } } alarm(0); @@ -486,6 +603,7 @@ for (count = 0; count < connection_count; count++) cr.pid, cr.uid, cr.gid); --------------*****************/ } + fflush(stdout); if (dup_accept_socket < 0) { @@ -504,7 +622,7 @@ for (count = 0; count < connection_count; count++) doesn't work for other tests (e.g. ident tests) so we have explicit '<' and '>' flags for input and output as well as the defaults. */ - for (; s != NULL; s = s->next) + for (; s; s = s->next) { char *ss = s->line; @@ -516,7 +634,8 @@ for (count = 0; count < connection_count; count++) if (ss[0] == '>') { char *end = "\r\n"; - printf("%s\n", ss++); + unsigned len = s->len; + printit(ss++, len--); if (strncmp(ss, "*eof", 4) == 0) { @@ -525,13 +644,14 @@ for (count = 0; count < connection_count; count++) } if (*ss == '>') - { end = ""; ss++; } + { end = ""; ss++; len--; } else if (strncmp(ss, "CR>", 3) == 0) - { end = "\r"; ss += 3; } + { end = "\r"; ss += 3; len -= 3; } else if (strncmp(ss, "LF>", 3) == 0) - { end = "\n"; ss += 3; } + { end = "\n"; ss += 3; len -= 3; } - fprintf(out, "%s%s", ss, end); + fwrite(ss, 1, len, out); + if (*end) fputs(end, out); } else if (isdigit((unsigned char)ss[0])) @@ -551,52 +671,138 @@ for (count = 0; count < connection_count; count++) sleep(sleepfor); } + /* If the script line starts with "*data " we expect a numeric argument, + and we expect to read (and discard) that many data bytes from the input. */ + + else if (strncmp(ss, "*data ", 6) == 0) + { + int dlen = atoi(ss+6); + int n; + + alarm(timeout); + + if (!linebuf) + while (dlen > 0) + { + n = dlen < sizeof(buffer) ? dlen : sizeof(buffer); + if ((n = read(dup_accept_socket, CS buffer, n)) == 0) + { + printf("Unexpected EOF read from client\n"); + s = s->next; + goto END_OFF; + } + dlen -= n; + } + else + while (dlen-- > 0) + if (fgetc(in) == EOF) + { + printf("Unexpected EOF read from client\n"); + s = s->next; + goto END_OFF; + } + } + /* Otherwise the script line is the start of an input line we are expecting from the client, or "*eof" indicating we expect the client to close the connection. Read command line or data lines; the latter are indicated by the expected line being just ".". If the line starts with '<', that doesn't form part of the expected input. (This allows for incoming data - starting with a digit.) */ + starting with a digit.) If the line starts with '<<' we operate in + unbuffered rather than line mode and assume that a single read gets the + entire message. */ else { int offset; int data = strcmp(ss, ".") == 0; - if (ss[0] == '<') + if (ss[0] != '<') + offset = 0; + else { buffer[0] = '<'; - offset = 1; + if (ss[1] != '<') + offset = 1; + else + { + buffer[1] = '<'; + offset = 2; + } } - else offset = 0; fflush(out); - for (;;) - { - int n; - alarm(timeout); - if (fgets(CS buffer+offset, sizeof(buffer)-offset, in) == NULL) - { - printf("%sxpected EOF read from client\n", - (strncmp(ss, "*eof", 4) == 0)? "E" : "Une"); - s = s->next; - goto END_OFF; - } - alarm(0); - n = (int)strlen(CS buffer); - while (n > 0 && isspace(buffer[n-1])) n--; - buffer[n] = 0; - printf("%s\n", buffer); - if (!data || strcmp(CS buffer, ".") == 0) break; - } - - if (strncmp(ss, CS buffer, (int)strlen(ss)) != 0) - { - printf("Comparison failed - bailing out\n"); - printf("Expected: %s\n", ss); - break; - } + if (!linebuf) + { + int n; + char c; + + alarm(timeout); + n = read(dup_accept_socket, CS buffer+offset, s->len - offset); + if (content_length.in_use) content_length.left -= n; + if (n == 0) + { + printf("%sxpected EOF read from client\n", + (strncmp(ss, "*eof", 4) == 0)? "E" : "Une"); + s = s->next; + goto END_OFF; + } + if (offset != 2) + while (read(dup_accept_socket, &c, 1) == 1 && c != '\n') ; + alarm(0); + n += offset; + + printit(CS buffer, n); + + if (data) do + { + n = (read(dup_accept_socket, &c, 1) == 1 && c == '.'); + if (content_length.in_use) content_length.left--; + while (c != '\n' && read(dup_accept_socket, &c, 1) == 1) + if (content_length.in_use) content_length.left--; + } while (!n); + else if (memcmp(ss, buffer, n) != 0) + { + printf("Comparison failed - bailing out\nExpected: "); + printit(ss, n); + break; + } + } + else + { + for (;;) + { + int n; + alarm(timeout); + if (fgets(CS buffer+offset, sizeof(buffer)-offset, in) == NULL) + { + printf("%sxpected EOF read from client\n", + (strncmp(ss, "*eof", 4) == 0)? "E" : "Une"); + s = s->next; + goto END_OFF; + } + alarm(0); + n = strlen(CS buffer); + if (content_length.in_use) content_length.left -= (n - offset); + while (n > 0 && isspace(buffer[n-1])) n--; + buffer[n] = 0; + printf("%s\n", buffer); + if (!data || strcmp(CS buffer, ".") == 0) break; + } + + if (strncmp(ss, CS buffer, (int)strlen(ss)) != 0) + { + printf("Comparison failed - bailing out\n"); + printf("Expected: %s\n", ss); + break; + } + } + + if (sscanf(CCS buffer, "