diff options
author | Marc Balmer <mbalmer@cvs.openbsd.org> | 2008-05-23 08:38:52 +0000 |
---|---|---|
committer | Marc Balmer <mbalmer@cvs.openbsd.org> | 2008-05-23 08:38:52 +0000 |
commit | 1baf0c05d10a2071d68d99308912e45346dca31d (patch) | |
tree | 86575baeb13db216f6aef77cd0544f46aa19710e | |
parent | 361ca3c90efa2cf969be8ee9819b732504a384d6 (diff) |
Last chunk of KNF and readability changes here.
no binary changes.
-rw-r--r-- | usr.sbin/httpd/src/main/util.c | 472 |
1 files changed, 241 insertions, 231 deletions
diff --git a/usr.sbin/httpd/src/main/util.c b/usr.sbin/httpd/src/main/util.c index 7f902d94a44..d407ad42b6c 100644 --- a/usr.sbin/httpd/src/main/util.c +++ b/usr.sbin/httpd/src/main/util.c @@ -1,4 +1,4 @@ -/* $OpenBSD: util.c,v 1.26 2008/05/22 13:54:06 mbalmer Exp $ */ +/* $OpenBSD: util.c,v 1.27 2008/05/23 08:38:51 mbalmer Exp $ */ /* ==================================================================== * The Apache Software License, Version 1.1 @@ -66,7 +66,8 @@ * */ -/* Debugging aid: +/* + * Debugging aid: * #define DEBUG to trace all cfg_open*()/cfg_closefile() calls * #define DEBUG_CFG_LINES to trace every line read from the config files */ @@ -75,13 +76,15 @@ #include "http_conf_globals.h" /* for user_id & group_id */ #include "http_log.h" -/* A bunch of functions in util.c scan strings looking for certain characters. +/* + * A bunch of functions in util.c scan strings looking for certain characters. * To make that more efficient we encode a lookup table. The test_char_table * is generated automatically by gen_test_char.c. */ #include "test_char.h" -/* we assume the folks using this ensure 0 <= c < 256... which means +/* + * we assume the folks using this ensure 0 <= c < 256... which means * you need a cast to (unsigned char) first, you can't just plug a * char in here and get it to work, because if char is signed then it * will first be sign extended. @@ -91,7 +94,8 @@ void ap_util_init(void) { - /* nothing to do... previously there was run-time initialization of + /* + * nothing to do... previously there was run-time initialization of * test_char_table here */ } @@ -150,7 +154,8 @@ ap_ht_time(pool *p, time_t t, const char *fmt, int gmt) tms = (gmt ? gmtime(&t) : localtime(&t)); if(gmt) { - /* Convert %Z to "GMT" and %z to "+0000"; + /* + * Convert %Z to "GMT" and %z to "+0000"; * on hosts that do not have a time zone string in struct tm, * strftime must assume its argument is local time. */ @@ -219,13 +224,15 @@ ap_get_gmtoff(int *tz) /* Roy owes Rob beer. */ /* Rob owes Roy dinner. */ -/* These legacy comments would make a lot more sense if Roy hadn't +/* + * These legacy comments would make a lot more sense if Roy hadn't * replaced the old later_than() routine with util_date.c. * * Well, okay, they still wouldn't make any sense. */ -/* Match = 0, NoMatch = 1, Abort = -1 +/* + * Match = 0, NoMatch = 1, Abort = -1 * Based loosely on sections of wildmat.c by Rich Salz * Hmmm... shouldn't this really go component by component? */ @@ -320,7 +327,8 @@ ap_strcasestr(const char *s1, const char *s2) /* second string ended, a match */ break; - /* didn't find a match here, try starting at next character + /* + * didn't find a match here, try starting at next character * in s1 */ s1++; @@ -374,7 +382,8 @@ ap_regerror(int errcode, const regex_t *preg, char *errbuf, size_t errbuf_size) } -/* This function substitutes for $0-$9, filling in regular expression +/* + * This function substitutes for $0-$9, filling in regular expression * submatches. Pass it the same nmatch and pmatch arguments that you * passed ap_regexec(). pmatch should not be greater than the maximum number * of subexpressions - i.e. one more than the re_nsub member of regex_t. @@ -387,7 +396,6 @@ ap_regerror(int errcode, const regex_t *preg, char *errbuf, size_t errbuf_size) * Parts of this code are based on Henry Spencer's regsub(), from his * AT&T V8 regexp package. */ - API_EXPORT(char *) ap_pregsub(pool *p, const char *input, const char *source, size_t nmatch, regmatch_t pmatch[]) @@ -452,9 +460,7 @@ regmatch_t pmatch[]) return dest; } -/* - * Parse .. so we don't compromise security - */ +/* Parse .. so we don't compromise security */ API_EXPORT(void) ap_getparents(char *name) { @@ -571,9 +577,7 @@ ap_make_dirstr_prefix(char *d, const char *s, int n) } -/* - * return the parent directory name including trailing / of the file s - */ +/* return the parent directory name including trailing / of the file s */ API_EXPORT(char *) ap_make_dirstr_parent(pool *p, const char *s) { @@ -646,8 +650,10 @@ ap_chdir_file(const char *file) buf[x - file] = '\0'; chdir(buf); } - /* XXX: well, this is a silly function, no method of reporting an - * error... ah well. */ + /* + * XXX: well, this is a silly function, no method of reporting an + * error... ah well. + */ } API_EXPORT(char *) @@ -741,10 +747,10 @@ ap_getword_nulls(pool *atrans, const char **line, char stop) return res; } -/* Get a word, (new) config-file style --- quoted strings and backslashes +/* + * Get a word, (new) config-file style --- quoted strings and backslashes * all honored */ - static char *substring_conf(pool *p, const char *start, int len, char quote) { @@ -965,8 +971,8 @@ ap_cfg_getline(char *buf, size_t bufsize, configfile_t *cfp) return 1; /* - * check for line continuation, - * i.e. match [^\\]\\[\r]\n only + * check for line continuation, + * i.e. match [^\\]\\[\r]\n only */ cp = cbuf; while (cp < cbuf+cbufsize && *cp != '\0') @@ -1002,9 +1008,7 @@ ap_cfg_getline(char *buf, size_t bufsize, configfile_t *cfp) break; } - /* - * Leading and trailing white space is eliminated completely - */ + /* Leading and trailing white space is eliminated completely */ src = buf; while (ap_isspace(*src)) ++src; @@ -1050,7 +1054,8 @@ ap_cfg_getline(char *buf, size_t bufsize, configfile_t *cfp) c = cfp->getch(cfp->param); } if (c == CR) - /* silently ignore CR (_assume_ that a LF + /* + * silently ignore CR (_assume_ that a LF * follows) */ c = cfp->getch(cfp->param); @@ -1071,7 +1076,8 @@ ap_cfg_getline(char *buf, size_t bufsize, configfile_t *cfp) c = cfp->getch(cfp->param); continue; } - /* else nothing needs be done because + /* + * else nothing needs be done because * then the backslash is escaped and * we just strip to a single one */ @@ -1094,7 +1100,8 @@ ap_cfg_getline(char *buf, size_t bufsize, configfile_t *cfp) } } -/* Size an HTTP header field list item, as separated by a comma. +/* + * Size an HTTP header field list item, as separated by a comma. * The return value is a pointer to the beginning of the non-empty list item * within the original string (or NULL if there is none) and the address * of field is shifted to the next non-comma, non-whitespace character. @@ -1108,14 +1115,12 @@ ap_size_list_item(const char **field, int *len) int in_qpair, in_qstr, in_com; /* Find first non-comma, non-whitespace byte */ - while (*ptr == ',' || ap_isspace(*ptr)) ++ptr; token = ptr; /* Find the end of this item, skipping over dead bits */ - for (in_qpair = in_qstr = in_com = 0; *ptr && (in_qpair || in_qstr || in_com || *ptr != ','); ++ptr) { @@ -1149,7 +1154,6 @@ ap_size_list_item(const char **field, int *len) } /* Advance field pointer to the next non-comma, non-white byte */ - while (*ptr == ',' || ap_isspace(*ptr)) ++ptr; @@ -1157,7 +1161,8 @@ ap_size_list_item(const char **field, int *len) return (const char *)token; } -/* Retrieve an HTTP header field list item, as separated by a comma, +/* + * Retrieve an HTTP header field list item, as separated by a comma, * while stripping insignificant whitespace and lowercasing anything not in * a quoted string or comment. The return value is a new string containing * the converted list item (or NULL if none) and the address pointed to by @@ -1257,7 +1262,8 @@ ap_get_list_item(pool *p, const char **field) return token; } -/* Find an item in canonical form (lowercase, no extra spaces) within +/* + * Find an item in canonical form (lowercase, no extra spaces) within * an HTTP field value list. Returns 1 if found, 0 if not found. * This would be much more efficient if we stored header fields as * an array of list items as they are received instead of a plain string. @@ -1275,7 +1281,6 @@ ap_find_list_item(pool *p, const char *line, const char *tok) do { /* loop for each item in line's list */ /* Find first non-comma, non-whitespace byte */ - while (*ptr == ',' || ap_isspace(*ptr)) ++ptr; @@ -1284,7 +1289,8 @@ ap_find_list_item(pool *p, const char *line, const char *tok) else break; /* no items left and nothing good found */ - /* We skip extra whitespace and whitespace around a '=', '/', + /* + * We skip extra whitespace and whitespace around a '=', '/', * or ';' and lowercase normal characters not within a comment, * quoted-string or quoted-pair. */ @@ -1367,12 +1373,12 @@ ap_find_list_item(pool *p, const char *line, const char *tok) } -/* Retrieve a token, spacing over it and returning a pointer to +/* + * Retrieve a token, spacing over it and returning a pointer to * the first non-white byte afterwards. Note that these tokens * are delimited by semis and commas; and can also be delimited * by whitespace at the caller's option. */ - API_EXPORT(char *) ap_get_token(pool *p, const char **accept_line, int accept_white) { @@ -1424,7 +1430,8 @@ ap_find_token(pool *p, const char *line, const char *tok) s = (const unsigned char *)line; for (;;) { - /* find start of token, skip all stop characters, note NUL + /* + * find start of token, skip all stop characters, note NUL * isn't a token stop, so we don't need to test for it */ while (TEST_CHAR(*s, T_HTTP_TOKEN_STOP)) @@ -1467,7 +1474,8 @@ ap_find_last_token(pool *p, const char *line, const char *tok) return (strncasecmp(&line[lidx], tok, tlen) == 0); } -/* c2x takes an unsigned, and expects the caller has guaranteed that +/* + * c2x takes an unsigned, and expects the caller has guaranteed that * 0 <= what < 256... which usually means that you have to cast to * unsigned char first, because (unsigned)(char)(x) first goes through * signed extension to an int before the unsigned cast. @@ -1700,7 +1708,6 @@ ap_construct_server(pool *p, const char *hostname, unsigned port, * If partial is set, os_escape_path() assumes that the path will be appended to * something with a '/' in it (and thus does not prefix "./"). */ - API_EXPORT(char *) ap_escape_path_segment(pool *p, const char *segment) { @@ -1749,7 +1756,6 @@ ap_os_escape_path(pool *p, const char *path, int partial) } /* ap_escape_uri is now a macro for os_escape_path */ - API_EXPORT(char *) ap_escape_html(pool *p, const char *s) { @@ -1830,9 +1836,7 @@ ap_make_full_path(pool *a, const char *src1, const char *src2) return ap_pstrcat(a, src1, src2, NULL); } -/* - * Check for an absoluteURI syntax (see section 3.2 in RFC2068). - */ +/* Check for an absoluteURI syntax (see section 3.2 in RFC2068). */ API_EXPORT(int) ap_is_url(const char *u) { @@ -1845,7 +1849,8 @@ ap_is_url(const char *u) return 0; } - return (x ? 1 : 0); /* If the first character is ':', + return (x ? 1 : 0); /* + * If the first character is ':', * it's broken, too */ } @@ -1935,223 +1940,227 @@ ap_gname2id(const char *name) API_EXPORT(struct sockaddr *) ap_get_virthost_addr(char *w, unsigned short *ports) { - static struct sockaddr_storage ss; - struct addrinfo hints, *res; - char *p, *r; - char *host; - char *port = "0"; - int error; - char servbuf[NI_MAXSERV]; - - if (w == NULL) - w = "*"; - p = r = NULL; - if (*w == '['){ - if (r = strrchr(w+1, ']')){ - *r = '\0'; - p = r + 1; - switch(*p){ - case ':': - p++; - /* nobreak; */ - case '\0': - w++; - break; - default: - p = NULL; - } + static struct sockaddr_storage ss; + struct addrinfo hints, *res; + char *p, *r; + char *host; + char *port = "0"; + int error; + char servbuf[NI_MAXSERV]; + + if (w == NULL) + w = "*"; + p = r = NULL; + if (*w == '['){ + if (r = strrchr(w+1, ']')){ + *r = '\0'; + p = r + 1; + switch(*p){ + case ':': + p++; + /* fallthrough; */ + case '\0': + w++; + break; + default: + p = NULL; + } + } + } else { + p = strchr(w, ':'); + if (p != NULL && strchr(p+1, ':') != NULL) + p = NULL; + } + if (ports != NULL) + if (p != NULL && *p && strcmp(p + 1, "*") != 0) + port = p + 1; + + memset(&hints, 0, sizeof(hints)); + hints.ai_socktype = SOCK_STREAM; + if (p != NULL) + *p = '\0'; + if (strcmp(w, "*") == 0) { + host = NULL; + hints.ai_flags = AI_PASSIVE; + hints.ai_family = ap_default_family; + } else { + host = w; + hints.ai_family = PF_UNSPEC; } - } - else{ - p = strchr(w, ':'); - if (p != NULL && strchr(p+1, ':') != NULL) - p = NULL; - } - if (ports != NULL) { - if (p != NULL && *p && strcmp(p + 1, "*") != 0) - port = p + 1; - } - - memset(&hints, 0, sizeof(hints)); - hints.ai_socktype = SOCK_STREAM; - if (p != NULL) - *p = '\0'; - if (strcmp(w, "*") == 0) { - host = NULL; - hints.ai_flags = AI_PASSIVE; - hints.ai_family = ap_default_family; - } else { - host = w; - hints.ai_family = PF_UNSPEC; - } - - error = getaddrinfo(host, port, &hints, &res); - - if (error || !res) { - fprintf(stderr, "ap_get_vitrhost_addr(): getaddrinfo(%s):%s --- exiting!\n", w, gai_strerror(error)); - exit(1); - } - - if (res->ai_next) { - fprintf(stderr, "ap_get_vitrhost_addr(): Host %s has multiple addresses ---\n", w); - fprintf(stderr, "you must choose one explicitly for use as\n"); - fprintf(stderr, "a virtual host. Exiting!!!\n"); - exit(1); - } - - if (r != NULL) - *r = ']'; - if (p != NULL) - *p = ':'; - - memcpy(&ss, res->ai_addr, res->ai_addrlen); - if (getnameinfo(res->ai_addr, res->ai_addrlen, - NULL, 0, servbuf, sizeof(servbuf), - NI_NUMERICSERV)){ - fprintf(stderr, "ap_get_virthost_addr(): getnameinfo() failed --- Exiting!!!\n"); - exit(1); - } - if (ports) *ports = atoi(servbuf); - freeaddrinfo(res); - return (struct sockaddr *)&ss; -} - - -static char *find_fqdn(pool *a, struct hostent *p) -{ - int x; - - if (!strchr(p->h_name, '.')) { - if (p->h_aliases) { - for (x = 0; p->h_aliases[x]; ++x) { - if (p->h_aliases[x] && strchr(p->h_aliases[x], '.') && - (!strncasecmp(p->h_aliases[x], p->h_name, strlen(p->h_name)))) - return ap_pstrdup(a, p->h_aliases[x]); - } - } - return NULL; - } - return ap_pstrdup(a, (void *) p->h_name); -} - -API_EXPORT(char *) ap_get_local_host(pool *a) + + error = getaddrinfo(host, port, &hints, &res); + + if (error || !res) { + fprintf(stderr, "ap_get_vitrhost_addr(): getaddrinfo(%s):%s " + "--- exiting!\n", w, gai_strerror(error)); + exit(1); + } + + if (res->ai_next) { + fprintf(stderr, "ap_get_vitrhost_addr(): Host %s has multiple " + "addresses ---\n", w); + fprintf(stderr, "you must choose one explicitly for use as\n"); + fprintf(stderr, "a virtual host. Exiting!!!\n"); + exit(1); + } + + if (r != NULL) + *r = ']'; + if (p != NULL) + *p = ':'; + + memcpy(&ss, res->ai_addr, res->ai_addrlen); + if (getnameinfo(res->ai_addr, res->ai_addrlen, + NULL, 0, servbuf, sizeof(servbuf), + NI_NUMERICSERV)){ + fprintf(stderr, "ap_get_virthost_addr(): getnameinfo() failed " + "--- Exiting!!!\n"); + exit(1); + } + if (ports) *ports = atoi(servbuf); + freeaddrinfo(res); + return (struct sockaddr *)&ss; +} + + +static char * +find_fqdn(pool *a, struct hostent *p) +{ + int x; + + if (!strchr(p->h_name, '.')) { + if (p->h_aliases) { + for (x = 0; p->h_aliases[x]; ++x) { + if (p->h_aliases[x] + && strchr(p->h_aliases[x], '.') + && (!strncasecmp(p->h_aliases[x], + p->h_name, strlen(p->h_name)))) + return ap_pstrdup(a, p->h_aliases[x]); + } + } + return NULL; + } + return ap_pstrdup(a, (void *)p->h_name); +} + +API_EXPORT(char *) +ap_get_local_host(pool *a) { #ifndef MAXHOSTNAMELEN #define MAXHOSTNAMELEN 256 #endif - char str[MAXHOSTNAMELEN]; - char *server_hostname = NULL; - struct addrinfo hints, *res; - int error; - - if (gethostname(str, sizeof(str) - 1) != 0) { - ap_log_error(APLOG_MARK, APLOG_WARNING, NULL, - "%s: gethostname() failed to determine ServerName\n", - ap_server_argv0); - } - else - { - str[sizeof(str) - 1] = '\0'; - memset(&hints, 0, sizeof(hints)); - hints.ai_family = PF_UNSPEC; - hints.ai_flags = AI_CANONNAME; - res = NULL; - error = getaddrinfo(str, NULL, &hints, &res); - if (error == 0 && res) - { - /* Since we found a fqdn, rturn it with no logged message. */ - server_hostname = ap_pstrdup(a, res->ai_canonname); - freeaddrinfo(res); - return server_hostname; - } - else - { - /* Recovery - return the default server by IP: */ - server_hostname = ap_pstrdup(a, str); - /* We will drop through to report the IP-named server */ + char str[MAXHOSTNAMELEN]; + char *server_hostname = NULL; + struct addrinfo hints, *res; + int error; + + if (gethostname(str, sizeof(str) - 1) != 0) { + ap_log_error(APLOG_MARK, APLOG_WARNING, NULL, + "%s: gethostname() failed to determine ServerName\n", + ap_server_argv0); + } else { + str[sizeof(str) - 1] = '\0'; + memset(&hints, 0, sizeof(hints)); + hints.ai_family = PF_UNSPEC; + hints.ai_flags = AI_CANONNAME; + res = NULL; + error = getaddrinfo(str, NULL, &hints, &res); + if (error == 0 && res) { + /* + * Since we found a fqdn, return it with no + * logged message. + */ + server_hostname = ap_pstrdup(a, res->ai_canonname); + freeaddrinfo(res); + return server_hostname; + } else { + /* Recovery - return the default server by IP: */ + server_hostname = ap_pstrdup(a, str); + /* We will drop through to report the IP-named server */ + } } - } - - /* If we don't have an fqdn or IP, fall back to the loopback addr */ - if (!server_hostname) - server_hostname = ap_pstrdup(a, "127.0.0.1"); - - ap_log_error(APLOG_MARK, APLOG_ALERT|APLOG_NOERRNO, NULL, - "%s: Could not determine the server's fully qualified " - "domain name, using %s for ServerName", - ap_server_argv0, server_hostname); - - if (res) - freeaddrinfo(res); - return server_hostname; -} - -/* simple 'pool' alloc()ing glue to ap_base64.c - */ -API_EXPORT(char *) ap_pbase64decode(pool *p, const char *bufcoded) + + /* If we don't have an fqdn or IP, fall back to the loopback addr */ + if (!server_hostname) + server_hostname = ap_pstrdup(a, "127.0.0.1"); + + ap_log_error(APLOG_MARK, APLOG_ALERT|APLOG_NOERRNO, NULL, + "%s: Could not determine the server's fully qualified " + "domain name, using %s for ServerName", + ap_server_argv0, server_hostname); + + if (res) + freeaddrinfo(res); + return server_hostname; +} + +/* simple 'pool' alloc()ing glue to ap_base64.c */ +API_EXPORT(char *) +ap_pbase64decode(pool *p, const char *bufcoded) { - char *decoded; - int l; + char *decoded; + int l; - decoded = (char *) ap_palloc(p, 1 + ap_base64decode_len(bufcoded)); - l = ap_base64decode(decoded, bufcoded); - decoded[l] = '\0'; /* make binary sequence into string */ + decoded = (char *)ap_palloc(p, 1 + ap_base64decode_len(bufcoded)); + l = ap_base64decode(decoded, bufcoded); + decoded[l] = '\0'; /* make binary sequence into string */ - return decoded; + return decoded; } -API_EXPORT(char *) ap_pbase64encode(pool *p, char *string) +API_EXPORT(char *) +ap_pbase64encode(pool *p, char *string) { - char *encoded; - int l = strlen(string); + char *encoded; + int l = strlen(string); - encoded = (char *) ap_palloc(p, 1 + ap_base64encode_len(l)); - l = ap_base64encode(encoded, string, l); - encoded[l] = '\0'; /* make binary sequence into string */ + encoded = (char *) ap_palloc(p, 1 + ap_base64encode_len(l)); + l = ap_base64encode(encoded, string, l); + encoded[l] = '\0'; /* make binary sequence into string */ - return encoded; + return encoded; } -/* deprecated names for the above two functions, here for compatibility - */ -API_EXPORT(char *) ap_uudecode(pool *p, const char *bufcoded) +/* deprecated names for the above two functions, here for compatibility */ +API_EXPORT(char *) +ap_uudecode(pool *p, const char *bufcoded) { - return ap_pbase64decode(p, bufcoded); + return ap_pbase64decode(p, bufcoded); } -API_EXPORT(char *) ap_uuencode(pool *p, char *string) +API_EXPORT(char *) +ap_uuencode(pool *p, char *string) { - return ap_pbase64encode(p, string); + return ap_pbase64encode(p, string); } -/* we want to downcase the type/subtype for comparison purposes +/* + * we want to downcase the type/subtype for comparison purposes * but nothing else because ;parameter=foo values are case sensitive. * XXX: in truth we want to downcase parameter names... but really, * apache has never handled parameters and such correctly. You * also need to compress spaces and such to be able to compare * properly. -djg */ -API_EXPORT(void) ap_content_type_tolower(char *str) +API_EXPORT(void) +ap_content_type_tolower(char *str) { - char *semi; + char *semi; + + semi = strchr(str, ';'); + if (semi) + *semi = '\0'; - semi = strchr(str, ';'); - if (semi) { - *semi = '\0'; - } - while (*str) { - *str = ap_tolower(*str); - ++str; - } - if (semi) { - *semi = ';'; - } + while (*str) { + *str = ap_tolower(*str); + ++str; + } + if (semi) + *semi = ';'; } -/* - * Given a string, replace any bare " with \" . - */ +/* Given a string, replace any bare " with \" . */ API_EXPORT(char *) ap_escape_quotes (pool *p, const char *instring) { @@ -2199,7 +2208,8 @@ ap_escape_quotes (pool *p, const char *instring) return outstring; } -/* dest = src with whitespace removed +/* + * dest = src with whitespace removed * length of dest assumed >= length of src */ API_EXPORT(void) |