diff options
author | Arthur de Jong <arthur@arthurdejong.org> | 2012-12-22 21:38:26 +0000 |
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committer | Arthur de Jong <arthur@arthurdejong.org> | 2012-12-22 21:38:26 +0000 |
commit | c7bb19c55c7a902e25bdd33b0d49a2ddcf62e07a (patch) | |
tree | b3a75ef2719bc2f334041460fd21fbdf86a23a82 /nslcd/common.c | |
parent | d336cd6b429f8ce40c58ea287f79bbc7c23d0966 (diff) |
update C coding style to a more commonly used style
git-svn-id: http://arthurdejong.org/svn/nss-pam-ldapd/nss-pam-ldapd@1873 ef36b2f9-881f-0410-afb5-c4e39611909c
Diffstat (limited to 'nslcd/common.c')
-rw-r--r-- | nslcd/common.c | 187 |
1 files changed, 96 insertions, 91 deletions
diff --git a/nslcd/common.c b/nslcd/common.c index 37542b9..2b67e6c 100644 --- a/nslcd/common.c +++ b/nslcd/common.c @@ -42,177 +42,178 @@ #include "attmap.h" #include "cfg.h" -/* simple wrapper around snptintf() to return non-0 in case +/* simple wrapper around snptintf() to return non-zero in case of any failure (but always keep string 0-terminated) */ -int mysnprintf(char *buffer,size_t buflen,const char *format, ...) +int mysnprintf(char *buffer, size_t buflen, const char *format, ...) { int res; va_list ap; /* do snprintf */ - va_start(ap,format); - res=vsnprintf(buffer,buflen,format,ap); + va_start(ap, format); + res = vsnprintf(buffer, buflen, format, ap); va_end(ap); /* NULL-terminate the string just to be on the safe side */ - buffer[buflen-1]='\0'; + buffer[buflen - 1] = '\0'; /* check if the string was completely written */ - return ((res<0)||(((size_t)res)>=buflen)); + return ((res < 0) || (((size_t)res) >= buflen)); } /* return the fully qualified domain name of the current host */ const char *getfqdn(void) { - static char *fqdn=NULL; - char hostname[HOST_NAME_MAX+1]; + static char *fqdn = NULL; + char hostname[HOST_NAME_MAX + 1]; int hostnamelen; int i; - struct hostent *host=NULL; + struct hostent *host = NULL; /* if we already have a fqdn return that */ - if (fqdn!=NULL) + if (fqdn != NULL) return fqdn; /* get system hostname */ - if (gethostname(hostname,sizeof(hostname))<0) + if (gethostname(hostname, sizeof(hostname)) < 0) { - log_log(LOG_ERR,"gethostname() failed: %s",strerror(errno)); + log_log(LOG_ERR, "gethostname() failed: %s", strerror(errno)); return NULL; } - hostnamelen=strlen(hostname); + hostnamelen = strlen(hostname); /* lookup hostent */ - host=gethostbyname(hostname); - if (host==NULL) + host = gethostbyname(hostname); + if (host == NULL) { - log_log(LOG_ERR,"gethostbyname(%s): %s",hostname,hstrerror(h_errno)); + log_log(LOG_ERR, "gethostbyname(%s): %s", hostname, hstrerror(h_errno)); /* fall back to hostname */ - fqdn=strdup(hostname); + fqdn = strdup(hostname); return fqdn; } /* check h_name for fqdn starting with our hostname */ - if ((strncasecmp(hostname,host->h_name,hostnamelen)==0)&& - (host->h_name[hostnamelen]=='.')&& - (host->h_name[hostnamelen+1]!='\0')) + if ((strncasecmp(hostname, host->h_name, hostnamelen) == 0) && + (host->h_name[hostnamelen] == '.') && + (host->h_name[hostnamelen + 1] != '\0')) { - fqdn=strdup(host->h_name); + fqdn = strdup(host->h_name); return fqdn; } /* also check h_aliases */ - for (i=0;host->h_aliases[i]!=NULL;i++) + for (i = 0; host->h_aliases[i] != NULL; i++) { - if ((strncasecmp(hostname,host->h_aliases[i],hostnamelen)==0)&& - (host->h_aliases[i][hostnamelen]=='.')&& - (host->h_aliases[i][hostnamelen+1]!='\0')) + if ((strncasecmp(hostname, host->h_aliases[i], hostnamelen) == 0) && + (host->h_aliases[i][hostnamelen] == '.') && + (host->h_aliases[i][hostnamelen + 1] != '\0')) { - fqdn=strdup(host->h_aliases[i]); + fqdn = strdup(host->h_aliases[i]); return fqdn; } } /* fall back to h_name if it has a dot in it */ - if (strchr(host->h_name,'.')!=NULL) + if (strchr(host->h_name, '.') != NULL) { - fqdn=strdup(host->h_name); + fqdn = strdup(host->h_name); return fqdn; } /* also check h_aliases */ - for (i=0;host->h_aliases[i]!=NULL;i++) + for (i = 0; host->h_aliases[i] != NULL; i++) { - if (strchr(host->h_aliases[i],'.')!=NULL) + if (strchr(host->h_aliases[i], '.') != NULL) { - fqdn=strdup(host->h_aliases[i]); + fqdn = strdup(host->h_aliases[i]); return fqdn; } } /* nothing found, fall back to hostname */ - fqdn=strdup(hostname); + fqdn = strdup(hostname); return fqdn; } -const char *get_userpassword(MYLDAP_ENTRY *entry,const char *attr,char *buffer,size_t buflen) +const char *get_userpassword(MYLDAP_ENTRY *entry, const char *attr, + char *buffer, size_t buflen) { const char *tmpvalue; /* get the value */ - tmpvalue=attmap_get_value(entry,attr,buffer,buflen); - if (tmpvalue==NULL) + tmpvalue = attmap_get_value(entry, attr, buffer, buflen); + if (tmpvalue == NULL) return NULL; /* go over the entries and return the remainder of the value if it starts with {crypt} or crypt$ */ - if (strncasecmp(tmpvalue,"{crypt}",7)==0) - return tmpvalue+7; - if (strncasecmp(tmpvalue,"crypt$",6)==0) - return tmpvalue+6; + if (strncasecmp(tmpvalue, "{crypt}", 7) == 0) + return tmpvalue + 7; + if (strncasecmp(tmpvalue, "crypt$", 6) == 0) + return tmpvalue + 6; /* just return the first value completely */ return tmpvalue; /* TODO: support more password formats e.g. SMD5 - (which is $1$ but in a different format) - (any code for this is more than welcome) */ + (which is $1$ but in a different format) + (any code for this is more than welcome) */ } /* Checks if the specified name seems to be a valid user or group name. */ int isvalidname(const char *name) { - return regexec(&nslcd_cfg->validnames,name,0,NULL,0)==0; + return regexec(&nslcd_cfg->validnames, name, 0, NULL, 0) == 0; } /* this writes a single address to the stream */ -int write_address(TFILE *fp,MYLDAP_ENTRY *entry,const char *attr, +int write_address(TFILE *fp, MYLDAP_ENTRY *entry, const char *attr, const char *addr) { int32_t tmpint32; struct in_addr ipv4addr; struct in6_addr ipv6addr; /* try to parse the address as IPv4 first, fall back to IPv6 */ - if (inet_pton(AF_INET,addr,&ipv4addr)>0) + if (inet_pton(AF_INET, addr, &ipv4addr) > 0) { /* write address type */ - WRITE_INT32(fp,AF_INET); + WRITE_INT32(fp, AF_INET); /* write the address length */ - WRITE_INT32(fp,sizeof(struct in_addr)); + WRITE_INT32(fp, sizeof(struct in_addr)); /* write the address itself (in network byte order) */ - WRITE(fp,&ipv4addr,sizeof(struct in_addr)); + WRITE(fp, &ipv4addr, sizeof(struct in_addr)); } - else if (inet_pton(AF_INET6,addr,&ipv6addr)>0) + else if (inet_pton(AF_INET6, addr, &ipv6addr) > 0) { /* write address type */ - WRITE_INT32(fp,AF_INET6); + WRITE_INT32(fp, AF_INET6); /* write the address length */ - WRITE_INT32(fp,sizeof(struct in6_addr)); + WRITE_INT32(fp, sizeof(struct in6_addr)); /* write the address itself (in network byte order) */ - WRITE(fp,&ipv6addr,sizeof(struct in6_addr)); + WRITE(fp, &ipv6addr, sizeof(struct in6_addr)); } else { /* failure, log but write simple invalid address (otherwise the address list is messed up) */ /* TODO: have error message in correct format */ - log_log(LOG_WARNING,"%s: %s: \"%s\" unparseble", - myldap_get_dn(entry),attmap_ether_cn,addr); + log_log(LOG_WARNING, "%s: %s: \"%s\" unparseble", + myldap_get_dn(entry), attmap_ether_cn, addr); /* write an illegal address type */ - WRITE_INT32(fp,-1); + WRITE_INT32(fp, -1); /* write an emtpy address */ - WRITE_INT32(fp,0); + WRITE_INT32(fp, 0); } /* we're done */ return 0; } -int read_address(TFILE *fp,char *addr,int *addrlen,int *af) +int read_address(TFILE *fp, char *addr, int *addrlen, int *af) { int32_t tmpint32; int len; /* read address family */ - READ_INT32(fp,*af); - if ((*af!=AF_INET)&&(*af!=AF_INET6)) + READ_INT32(fp, *af); + if ((*af != AF_INET) && (*af != AF_INET6)) { - log_log(LOG_WARNING,"incorrect address family specified: %d",*af); + log_log(LOG_WARNING, "incorrect address family specified: %d", *af); return -1; } /* read address length */ - READ_INT32(fp,len); - if ((len>*addrlen)||(len<=0)) + READ_INT32(fp, len); + if ((len > *addrlen) || (len <= 0)) { - log_log(LOG_WARNING,"address length incorrect: %d",len); + log_log(LOG_WARNING, "address length incorrect: %d", len); return -1; } - *addrlen=len; + *addrlen = len; /* read address */ - READ(fp,addr,len); + READ(fp, addr, len); /* we're done */ return 0; } @@ -222,43 +223,45 @@ int read_address(TFILE *fp,char *addr,int *addrlen,int *af) to a format that can be used to search the objectSid property with */ char *sid2search(const char *sid) { - const char *tmpsid=sid; - char *res,*tmp; - int i=0; + const char *tmpsid = sid; + char *res, *tmp; + int i = 0; long int l; /* check the beginning of the string */ - if (strncasecmp(sid,"S-",2)!=0) + if (strncasecmp(sid, "S-", 2) != 0) { - log_log(LOG_ERR,"error in SID %s",sid); + log_log(LOG_ERR, "error in SID %s", sid); exit(EXIT_FAILURE); } /* count the number of dashes in the sid */ - while (tmpsid!=NULL) + while (tmpsid != NULL) { i++; - tmpsid=strchr(tmpsid+1,'-'); + tmpsid = strchr(tmpsid + 1, '-'); } - i-=2; /* number of security ids plus one because we add the uid later */ + i -= 2; /* number of security ids plus one because we add the uid later */ /* allocate memory */ - res=malloc(3+3+6*3+i*4*3+1); - if (res==NULL) + res = malloc(3 + 3 + 6 * 3 + i * 4 * 3 + 1); + if (res == NULL) { - log_log(LOG_CRIT,"malloc() failed to allocate memory"); + log_log(LOG_CRIT, "malloc() failed to allocate memory"); exit(1); } /* build the first part */ - l=strtol(sid+2,&tmp,10); - sprintf(res,"\\%02x\\%02x",(int)l&0xff,(int)i); + l = strtol(sid + 2, &tmp, 10); + sprintf(res, "\\%02x\\%02x", (int)l & 0xff, (int)i); /* build authority part (we only handle 32 of the 48 bits) */ - l=strtol(tmp+1,&tmp,10); - sprintf(res+strlen(res),"\\00\\00\\%02x\\%02x\\%02x\\%02x", - (int)((l>>24)&0xff),(int)((l>>16)&0xff),(int)((l>>8)&0xff),(int)(l&0xff)); + l = strtol(tmp + 1, &tmp, 10); + sprintf(res + strlen(res), "\\00\\00\\%02x\\%02x\\%02x\\%02x", + (int)((l >> 24) & 0xff), (int)((l >> 16) & 0xff), + (int)((l >> 8) & 0xff), (int)(l & 0xff)); /* go over the rest of the bits */ - while (*tmp!='\0') + while (*tmp != '\0') { - l=strtol(tmp+1,&tmp,10); - sprintf(res+strlen(res),"\\%02x\\%02x\\%02x\\%02x", - (int)(l&0xff),(int)((l>>8)&0xff),(int)((l>>16)&0xff),(int)((l>>24)&0xff)); + l = strtol(tmp + 1, &tmp, 10); + sprintf(res + strlen(res), "\\%02x\\%02x\\%02x\\%02x", + (int)(l & 0xff), (int)((l >> 8) & 0xff), (int)((l >> 16) & 0xff), + (int)((l >> 24) & 0xff)); } return res; } @@ -268,21 +271,23 @@ long int binsid2id(const char *binsid) { int i; /* find the position of the last security id */ - i=2+6+((((int)binsid[1])&0xff)-1)*4; - return (((long int)binsid[i])&0xff)|((((long int)binsid[i+1])&0xff)<<8)| - ((((long int)binsid[i+2])&0xff)<<16)|((((long int)binsid[i+3])&0xff)<<24); + i = 2 + 6 + ((((int)binsid[1]) & 0xff) - 1) * 4; + return (((long int)binsid[i]) & 0xff) | + ((((long int)binsid[i + 1]) & 0xff) << 8) | + ((((long int)binsid[i + 2]) & 0xff) << 16) | + ((((long int)binsid[i + 3]) & 0xff) << 24); } #ifdef WANT_STRTOUI /* provide a strtoui() implementation, similar to strtoul() but returning an range-checked unsigned int instead */ -unsigned int strtoui(const char *nptr,char **endptr,int base) +unsigned int strtoui(const char *nptr, char **endptr, int base) { unsigned long val; - val=strtoul(nptr,endptr,base); - if (val>UINT_MAX) + val = strtoul(nptr, endptr, base); + if (val > UINT_MAX) { - errno=ERANGE; + errno = ERANGE; return UINT_MAX; } /* If errno was set by strtoul, we'll pass it back as-is */ |